OSS-Fuzz integration

This commit integrates OSS-Fuzz targets directly into the libjpeg-turbo
source tree, thus obsoleting and improving code coverage relative to
Google's OSS-Fuzz target for libjpeg-turbo (previously available here:
https://github.com/google/oss-fuzz).

NOTES:

- The fuzz targets are built using the C++ compiler.  Otherwise, the
  targets would require libstdc++, the i386 version of which is not
  available in the OSS-Fuzz runtime environment.  The OSS-Fuzz build
  environment passes -stdlib:libc++ in the CXXFLAGS environment variable
  in order to mitigate this issue, since the runtime environment has the
  i386 version of libc++, but using that compiler flag requires using
  the C++ compiler.

- The fuzz targets require static libraries.  Refer to
  https://google.github.io/oss-fuzz/further-reading/fuzzer-environment/#runtime-dependencies
  for the reasons why this is necessary.

- The TurboJPEG API has been extended with a new flag that can be used
  to limit the number of progressive JPEG scans that will be
  decompressed or transformed.  This prevents OSS-Fuzz timeouts.
This commit is contained in:
DRC
2021-03-29 18:54:12 -05:00
parent fa032aa826
commit 00e70bb7d1
55 changed files with 1290 additions and 227 deletions

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@@ -197,6 +197,7 @@ option(WITH_SIMD "Include SIMD extensions, if available for this platform" TRUE)
boolean_number(WITH_SIMD)
option(WITH_TURBOJPEG "Include the TurboJPEG API library and associated test programs" TRUE)
boolean_number(WITH_TURBOJPEG)
option(WITH_FUZZ "Build fuzz targets" FALSE)
macro(report_option var desc)
if(${var})
@@ -724,6 +725,10 @@ add_executable(wrjpgcom wrjpgcom.c)
# TESTS
###############################################################################
if(WITH_FUZZ)
add_subdirectory(fuzz)
endif()
add_subdirectory(md5)
if(MSVC_IDE OR XCODE)

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@@ -50,6 +50,15 @@ output buffer was less than the number of bytes required to represent one
uncropped scanline of the output image. For that reason, the issue could only
be reproduced using the libjpeg API, not using djpeg.
10. Introduced a new flag (`TJFLAG_LIMITSCANS` in the TurboJPEG C API and
`TJ.FLAG_LIMIT_SCANS` in the TurboJPEG Java API) and a corresponding TJBench
command-line argument (`-limitscans`) that causes the TurboJPEG decompression
and transform functions/operations to return/throw an error if a progressive
JPEG image contains an unreasonably large number of scans. This allows
applications that use the TurboJPEG API to guard against an exploit of the
progressive JPEG format described in the report
["Two Issues with the JPEG Standard"](https://libjpeg-turbo.org/pmwiki/uploads/About/TwoIssueswiththeJPEGStandard.pdf).
2.0.6
=====

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@@ -4,7 +4,7 @@
* This file was part of the Independent JPEG Group's software:
* Copyright (C) 1994-1997, Thomas G. Lane.
* libjpeg-turbo Modifications:
* Copyright (C) 2017, D. R. Commander.
* Copyright (C) 2017, 2021, D. R. Commander.
* For conditions of distribution and use, see the accompanying README.ijg
* file.
*
@@ -35,6 +35,9 @@ struct cjpeg_source_struct {
JSAMPARRAY buffer;
JDIMENSION buffer_height;
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
JDIMENSION max_pixels;
#endif
};

70
cjpeg.c
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@@ -5,7 +5,7 @@
* Copyright (C) 1991-1998, Thomas G. Lane.
* Modified 2003-2011 by Guido Vollbeding.
* libjpeg-turbo Modifications:
* Copyright (C) 2010, 2013-2014, 2017, 2020, D. R. Commander.
* Copyright (C) 2010, 2013-2014, 2017, 2020-2021, D. R. Commander.
* For conditions of distribution and use, see the accompanying README.ijg
* file.
*
@@ -27,6 +27,9 @@
* works regardless of which command line style is used.
*/
#ifdef CJPEG_FUZZER
#define JPEG_INTERNALS
#endif
#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
#include "jversion.h" /* for version message */
#include "jconfigint.h"
@@ -149,6 +152,45 @@ static char *outfilename; /* for -outfile switch */
boolean memdst; /* for -memdst switch */
#ifdef CJPEG_FUZZER
#include <setjmp.h>
struct my_error_mgr {
struct jpeg_error_mgr pub;
jmp_buf setjmp_buffer;
};
void my_error_exit(j_common_ptr cinfo)
{
struct my_error_mgr *myerr = (struct my_error_mgr *)cinfo->err;
longjmp(myerr->setjmp_buffer, 1);
}
static void my_emit_message(j_common_ptr cinfo, int msg_level)
{
if (msg_level < 0)
cinfo->err->num_warnings++;
}
#define HANDLE_ERROR() { \
if (cinfo.global_state > CSTATE_START) { \
if (memdst && outbuffer) \
(*cinfo.dest->term_destination) (&cinfo); \
jpeg_abort_compress(&cinfo); \
} \
jpeg_destroy_compress(&cinfo); \
if (input_file != stdin && input_file != NULL) \
fclose(input_file); \
if (memdst) \
free(outbuffer); \
return EXIT_FAILURE; \
}
#endif
LOCAL(void)
usage(void)
/* complain about bad command line */
@@ -504,13 +546,18 @@ int
main(int argc, char **argv)
{
struct jpeg_compress_struct cinfo;
#ifdef CJPEG_FUZZER
struct my_error_mgr myerr;
struct jpeg_error_mgr &jerr = myerr.pub;
#else
struct jpeg_error_mgr jerr;
#endif
#ifdef PROGRESS_REPORT
struct cdjpeg_progress_mgr progress;
#endif
int file_index;
cjpeg_source_ptr src_mgr;
FILE *input_file;
FILE *input_file = NULL;
FILE *icc_file;
JOCTET *icc_profile = NULL;
long icc_len = 0;
@@ -631,10 +678,19 @@ main(int argc, char **argv)
#ifdef PROGRESS_REPORT
start_progress_monitor((j_common_ptr)&cinfo, &progress);
#endif
#ifdef CJPEG_FUZZER
jerr.error_exit = my_error_exit;
jerr.emit_message = my_emit_message;
if (setjmp(myerr.setjmp_buffer))
HANDLE_ERROR()
#endif
/* Figure out the input file format, and set up to read it. */
src_mgr = select_file_type(&cinfo, input_file);
src_mgr->input_file = input_file;
#ifdef CJPEG_FUZZER
src_mgr->max_pixels = 1048576;
#endif
/* Read the input file header to obtain file size & colorspace. */
(*src_mgr->start_input) (&cinfo, src_mgr);
@@ -653,6 +709,11 @@ main(int argc, char **argv)
#endif
jpeg_stdio_dest(&cinfo, output_file);
#ifdef CJPEG_FUZZER
if (setjmp(myerr.setjmp_buffer))
HANDLE_ERROR()
#endif
/* Start compressor */
jpeg_start_compress(&cinfo, TRUE);
@@ -681,13 +742,14 @@ main(int argc, char **argv)
#endif
if (memdst) {
#ifndef CJPEG_FUZZER
fprintf(stderr, "Compressed size: %lu bytes\n", outsize);
#endif
free(outbuffer);
}
free(icc_profile);
/* All done. */
exit(jerr.num_warnings ? EXIT_WARNING : EXIT_SUCCESS);
return 0; /* suppress no-return-value warnings */
return (jerr.num_warnings ? EXIT_WARNING : EXIT_SUCCESS);
}

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@@ -23,7 +23,7 @@
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">TurboJPEG
&#160;<span id="projectnumber">2.0</span>
&#160;<span id="projectnumber">2.1</span>
</div>
</td>
</tr>

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@@ -23,7 +23,7 @@
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">TurboJPEG
&#160;<span id="projectnumber">2.0</span>
&#160;<span id="projectnumber">2.1</span>
</div>
</td>
</tr>

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@@ -23,7 +23,7 @@
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">TurboJPEG
&#160;<span id="projectnumber">2.0</span>
&#160;<span id="projectnumber">2.1</span>
</div>
</td>
</tr>

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@@ -23,7 +23,7 @@
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">TurboJPEG
&#160;<span id="projectnumber">2.0</span>
&#160;<span id="projectnumber">2.1</span>
</div>
</td>
</tr>

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@@ -23,7 +23,7 @@
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">TurboJPEG
&#160;<span id="projectnumber">2.0</span>
&#160;<span id="projectnumber">2.1</span>
</div>
</td>
</tr>
@@ -122,6 +122,9 @@ Macros</h2></td></tr>
<tr class="memitem:ga43b426750b46190a25d34a67ef76df1b"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___turbo_j_p_e_g.html#ga43b426750b46190a25d34a67ef76df1b">TJFLAG_PROGRESSIVE</a></td></tr>
<tr class="memdesc:ga43b426750b46190a25d34a67ef76df1b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Use progressive entropy coding in JPEG images generated by the compression and transform functions. <a href="group___turbo_j_p_e_g.html#ga43b426750b46190a25d34a67ef76df1b">More...</a><br /></td></tr>
<tr class="separator:ga43b426750b46190a25d34a67ef76df1b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga163e6482dc5096831feef9c79ff3f805"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___turbo_j_p_e_g.html#ga163e6482dc5096831feef9c79ff3f805">TJFLAG_LIMITSCANS</a></td></tr>
<tr class="memdesc:ga163e6482dc5096831feef9c79ff3f805"><td class="mdescLeft">&#160;</td><td class="mdescRight">Limit the number of progressive JPEG scans that the decompression and transform functions will process. <a href="group___turbo_j_p_e_g.html#ga163e6482dc5096831feef9c79ff3f805">More...</a><br /></td></tr>
<tr class="separator:ga163e6482dc5096831feef9c79ff3f805"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga79bde1b4a3e2351e00887e47781b966e"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___turbo_j_p_e_g.html#ga79bde1b4a3e2351e00887e47781b966e">TJ_NUMERR</a></td></tr>
<tr class="memdesc:ga79bde1b4a3e2351e00887e47781b966e"><td class="mdescLeft">&#160;</td><td class="mdescRight">The number of error codes. <a href="group___turbo_j_p_e_g.html#ga79bde1b4a3e2351e00887e47781b966e">More...</a><br /></td></tr>
<tr class="separator:ga79bde1b4a3e2351e00887e47781b966e"><td class="memSeparator" colspan="2">&#160;</td></tr>
@@ -497,6 +500,23 @@ YUV Image Format Notes</h2>
<p>When decompressing an image that was compressed using chrominance subsampling, use the fastest chrominance upsampling algorithm available in the underlying codec. </p>
<p>The default is to use smooth upsampling, which creates a smooth transition between neighboring chrominance components in order to reduce upsampling artifacts in the decompressed image. </p>
</div>
</div>
<a id="ga163e6482dc5096831feef9c79ff3f805"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga163e6482dc5096831feef9c79ff3f805">&#9670;&nbsp;</a></span>TJFLAG_LIMITSCANS</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define TJFLAG_LIMITSCANS</td>
</tr>
</table>
</div><div class="memdoc">
<p>Limit the number of progressive JPEG scans that the decompression and transform functions will process. </p>
<p>If a progressive JPEG image contains an unreasonably large number of scans, then this flag will cause the decompression and transform functions to return an error. The primary purpose of this is to allow security-critical applications to guard against an exploit of the progressive JPEG format described in <a href="https://libjpeg-turbo.org/pmwiki/uploads/About/TwoIssueswiththeJPEGStandard.pdf" target="_blank">this report</a>. </p>
</div>
</div>
<a id="ga8808d403c68b62aaa58a4c1e58e98963"></a>

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@@ -23,7 +23,7 @@
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">TurboJPEG
&#160;<span id="projectnumber">2.0</span>
&#160;<span id="projectnumber">2.1</span>
</div>
</td>
</tr>

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@@ -23,7 +23,7 @@
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">TurboJPEG
&#160;<span id="projectnumber">2.0</span>
&#160;<span id="projectnumber">2.1</span>
</div>
</td>
</tr>

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@@ -35,68 +35,69 @@ var searchData=
['tjflag_5fbottomup_40',['TJFLAG_BOTTOMUP',['../group___turbo_j_p_e_g.html#ga72ecf4ebe6eb702d3c6f5ca27455e1ec',1,'turbojpeg.h']]],
['tjflag_5ffastdct_41',['TJFLAG_FASTDCT',['../group___turbo_j_p_e_g.html#gaabce235db80d3f698b27f36cbd453da2',1,'turbojpeg.h']]],
['tjflag_5ffastupsample_42',['TJFLAG_FASTUPSAMPLE',['../group___turbo_j_p_e_g.html#ga4ee4506c81177a06f77e2504a22efd2d',1,'turbojpeg.h']]],
['tjflag_5fnorealloc_43',['TJFLAG_NOREALLOC',['../group___turbo_j_p_e_g.html#ga8808d403c68b62aaa58a4c1e58e98963',1,'turbojpeg.h']]],
['tjflag_5fprogressive_44',['TJFLAG_PROGRESSIVE',['../group___turbo_j_p_e_g.html#ga43b426750b46190a25d34a67ef76df1b',1,'turbojpeg.h']]],
['tjflag_5fstoponwarning_45',['TJFLAG_STOPONWARNING',['../group___turbo_j_p_e_g.html#ga519cfa4ef6c18d9e5b455fdf59306a3a',1,'turbojpeg.h']]],
['tjfree_46',['tjFree',['../group___turbo_j_p_e_g.html#gaea863d2da0cdb609563aabdf9196514b',1,'turbojpeg.h']]],
['tjgeterrorcode_47',['tjGetErrorCode',['../group___turbo_j_p_e_g.html#ga414feeffbf860ebd31c745df203de410',1,'turbojpeg.h']]],
['tjgeterrorstr2_48',['tjGetErrorStr2',['../group___turbo_j_p_e_g.html#ga1ead8574f9f39fbafc6b497124e7aafa',1,'turbojpeg.h']]],
['tjgetscalingfactors_49',['tjGetScalingFactors',['../group___turbo_j_p_e_g.html#gac3854476006b10787bd128f7ede48057',1,'turbojpeg.h']]],
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['tjinitdecompress_53',['tjInitDecompress',['../group___turbo_j_p_e_g.html#ga52300eac3f3d9ef4bab303bc244f62d3',1,'turbojpeg.h']]],
['tjinittransform_54',['tjInitTransform',['../group___turbo_j_p_e_g.html#ga928beff6ac248ceadf01089fc6b41957',1,'turbojpeg.h']]],
['tjloadimage_55',['tjLoadImage',['../group___turbo_j_p_e_g.html#gaffbd83c375e79f5db4b5c5d8ad4466e7',1,'turbojpeg.h']]],
['tjmcuheight_56',['tjMCUHeight',['../group___turbo_j_p_e_g.html#gabd247bb9fecb393eca57366feb8327bf',1,'turbojpeg.h']]],
['tjmcuwidth_57',['tjMCUWidth',['../group___turbo_j_p_e_g.html#ga9e61e7cd47a15a173283ba94e781308c',1,'turbojpeg.h']]],
['tjpad_58',['TJPAD',['../group___turbo_j_p_e_g.html#ga0aba955473315e405295d978f0c16511',1,'turbojpeg.h']]],
['tjpf_59',['TJPF',['../group___turbo_j_p_e_g.html#gac916144e26c3817ac514e64ae5d12e2a',1,'turbojpeg.h']]],
['tjpf_5fabgr_60',['TJPF_ABGR',['../group___turbo_j_p_e_g.html#ggac916144e26c3817ac514e64ae5d12e2aa1ba1a7f1631dbeaa49a0a85fc4a40081',1,'turbojpeg.h']]],
['tjpf_5fargb_61',['TJPF_ARGB',['../group___turbo_j_p_e_g.html#ggac916144e26c3817ac514e64ae5d12e2aae8f846ed9d9de99b6e1dfe448848765c',1,'turbojpeg.h']]],
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['tjdecodeyuvplanes_121',['tjDecodeYUVPlanes',['../group___turbo_j_p_e_g.html#ga10e837c07fa9d25770565b237d3898d9',1,'turbojpeg.h']]],
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['tjdecompressheader3_123',['tjDecompressHeader3',['../group___turbo_j_p_e_g.html#ga0595681096bba7199cc6f3533cb25f77',1,'turbojpeg.h']]],
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['tjdestroy_126',['tjDestroy',['../group___turbo_j_p_e_g.html#ga75f355fa27225ba1a4ee392c852394d2',1,'turbojpeg.h']]],
['tjencodeyuv3_127',['tjEncodeYUV3',['../group___turbo_j_p_e_g.html#gac519b922cdf446e97d0cdcba513636bf',1,'turbojpeg.h']]],
['tjencodeyuvplanes_128',['tjEncodeYUVPlanes',['../group___turbo_j_p_e_g.html#gae2d04c72457fe7f4d60cf78ab1b1feb1',1,'turbojpeg.h']]],
['tjfree_129',['tjFree',['../group___turbo_j_p_e_g.html#gaea863d2da0cdb609563aabdf9196514b',1,'turbojpeg.h']]],
['tjgeterrorcode_130',['tjGetErrorCode',['../group___turbo_j_p_e_g.html#ga414feeffbf860ebd31c745df203de410',1,'turbojpeg.h']]],
['tjgeterrorstr2_131',['tjGetErrorStr2',['../group___turbo_j_p_e_g.html#ga1ead8574f9f39fbafc6b497124e7aafa',1,'turbojpeg.h']]],
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['tjinittransform_135',['tjInitTransform',['../group___turbo_j_p_e_g.html#ga928beff6ac248ceadf01089fc6b41957',1,'turbojpeg.h']]],
['tjloadimage_136',['tjLoadImage',['../group___turbo_j_p_e_g.html#gaffbd83c375e79f5db4b5c5d8ad4466e7',1,'turbojpeg.h']]],
['tjplaneheight_137',['tjPlaneHeight',['../group___turbo_j_p_e_g.html#ga1a209696c6a80748f20e134b3c64789f',1,'turbojpeg.h']]],
['tjplanesizeyuv_138',['tjPlaneSizeYUV',['../group___turbo_j_p_e_g.html#gab4ab7b24f6e797d79abaaa670373961d',1,'turbojpeg.h']]],
['tjplanewidth_139',['tjPlaneWidth',['../group___turbo_j_p_e_g.html#ga63fb66bb1e36c74008c4634360becbb1',1,'turbojpeg.h']]],
['tjsaveimage_140',['tjSaveImage',['../group___turbo_j_p_e_g.html#ga6f445b22d8933ae4815b3370a538d879',1,'turbojpeg.h']]],
['tjtransform_141',['tjTransform',['../group___turbo_j_p_e_g.html#ga9cb8abf4cc91881e04a0329b2270be25',1,'turbojpeg.h']]]
];

View File

@@ -1,4 +1,4 @@
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View File

@@ -23,7 +23,7 @@
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">TurboJPEG
&#160;<span id="projectnumber">2.0</span>
&#160;<span id="projectnumber">2.1</span>
</div>
</td>
</tr>

View File

@@ -23,7 +23,7 @@
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">TurboJPEG
&#160;<span id="projectnumber">2.0</span>
&#160;<span id="projectnumber">2.1</span>
</div>
</td>
</tr>

View File

@@ -23,7 +23,7 @@
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">TurboJPEG
&#160;<span id="projectnumber">2.0</span>
&#160;<span id="projectnumber">2.1</span>
</div>
</td>
</tr>

View File

@@ -1,5 +1,5 @@
PROJECT_NAME = TurboJPEG
PROJECT_NUMBER = 2.0
PROJECT_NUMBER = 2.1
OUTPUT_DIRECTORY = doc/
USE_WINDOWS_ENCODING = NO
OPTIMIZE_OUTPUT_FOR_C = YES

51
fuzz/CMakeLists.txt Normal file
View File

@@ -0,0 +1,51 @@
if(NOT ENABLE_STATIC)
message(FATAL_ERROR "Fuzz targets require static libraries.")
endif()
if(NOT WITH_TURBOJPEG)
message(FATAL_ERROR "Fuzz targets require the TurboJPEG API library.")
endif()
set(FUZZ_BINDIR "" CACHE PATH
"Directory into which fuzz targets should be installed")
if(NOT FUZZ_BINDIR)
message(FATAL_ERROR "FUZZ_BINDIR must be specified.")
endif()
message(STATUS "FUZZ_BINDIR = ${FUZZ_BINDIR}")
set(FUZZ_LIBRARY "" CACHE STRING
"Path to fuzzer library or flags necessary to link with it")
if(NOT FUZZ_LIBRARY)
message(FATAL_ERROR "FUZZ_LIBRARY must be specified.")
endif()
message(STATUS "FUZZ_LIBRARY = ${FUZZ_LIBRARY}")
enable_language(CXX)
set(EFFECTIVE_CXX_FLAGS
"${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
message(STATUS "C++ Compiler flags = ${EFFECTIVE_CXX_FLAGS}")
add_executable(cjpeg_fuzzer cjpeg.cc ../cdjpeg.c ../rdbmp.c ../rdgif.c
../rdppm.c ../rdswitch.c ../rdtarga.c)
set_property(TARGET cjpeg_fuzzer PROPERTY COMPILE_FLAGS ${COMPILE_FLAGS})
target_link_libraries(cjpeg_fuzzer ${FUZZ_LIBRARY} jpeg-static)
install(TARGETS cjpeg_fuzzer RUNTIME DESTINATION ${FUZZ_BINDIR})
macro(add_fuzz_target target source_file)
add_executable(${target}_fuzzer ${source_file})
target_link_libraries(${target}_fuzzer ${FUZZ_LIBRARY} turbojpeg-static)
install(TARGETS ${target}_fuzzer RUNTIME DESTINATION ${FUZZ_BINDIR})
endmacro()
add_fuzz_target(compress compress.cc)
add_fuzz_target(compress_yuv compress_yuv.cc)
# NOTE: This target is named libjpeg_turbo_fuzzer instead of decompress_fuzzer
# in order to preserve the corpora from Google's OSS-Fuzz target for
# libjpeg-turbo, which this target replaces.
add_fuzz_target(libjpeg_turbo decompress.cc)
add_fuzz_target(decompress_yuv decompress_yuv.cc)
add_fuzz_target(transform transform.cc)

18
fuzz/build.sh Normal file
View File

@@ -0,0 +1,18 @@
#!/bin/bash
set -u
set -e
cmake . -DCMAKE_BUILD_TYPE=RelWithDebInfo -DENABLE_STATIC=1 -DENABLE_SHARED=0 \
-DCMAKE_C_FLAGS_RELWITHDEBINFO="-g -DNDEBUG" \
-DCMAKE_CXX_FLAGS_RELWITHDEBINFO="-g -DNDEBUG" -DCMAKE_INSTALL_PREFIX=$WORK \
-DWITH_FUZZ=1 -DFUZZ_BINDIR=$OUT -DFUZZ_LIBRARY=$LIB_FUZZING_ENGINE
make "-j$(nproc)" "--load-average=$(nproc)"
make install
cp $SRC/compress_fuzzer_seed_corpus.zip $OUT/cjpeg_fuzzer_seed_corpus.zip
cp $SRC/compress_fuzzer_seed_corpus.zip $OUT/compress_fuzzer_seed_corpus.zip
cp $SRC/compress_fuzzer_seed_corpus.zip $OUT/compress_yuv_fuzzer_seed_corpus.zip
cp $SRC/decompress_fuzzer_seed_corpus.zip $OUT/libjpeg_turbo_fuzzer_seed_corpus.zip
cp $SRC/decompress_fuzzer_seed_corpus.zip $OUT/decompress_yuv_fuzzer_seed_corpus.zip
cp $SRC/decompress_fuzzer_seed_corpus.zip $OUT/transform_fuzzer_seed_corpus.zip

89
fuzz/cjpeg.cc Normal file
View File

@@ -0,0 +1,89 @@
/*
* Copyright (C)2021 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/* This fuzz target wraps cjpeg in order to test esoteric compression options
as well as the GIF and Targa readers. */
#define main cjpeg_main
#define CJPEG_FUZZER
extern "C" {
#include "../cjpeg.c"
}
#undef main
#undef CJPEG_FUZZER
#include <stdint.h>
#include <unistd.h>
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
char filename[FILENAME_MAX] = { 0 };
char *argv1[] = {
(char *)"cjpeg", (char *)"-dct", (char *)"float", (char *)"-memdst",
(char *)"-optimize", (char *)"-quality", (char *)"100,99,98",
(char *)"-restart", (char *)"2", (char *)"-sample", (char *)"4x1,2x2,1x2",
(char *)"-targa", NULL
};
char *argv2[] = {
(char *)"cjpeg", (char *)"-arithmetic", (char *)"-dct", (char *)"float",
(char *)"-memdst", (char *)"-quality", (char *)"90,80,70", (char *)"-rgb",
(char *)"-sample", (char *)"2x2", (char *)"-smooth", (char *)"50",
(char *)"-targa", NULL
};
int fd = -1;
#if defined(__has_feature) && __has_feature(memory_sanitizer)
char env[18] = "JSIMD_FORCENONE=1";
/* The libjpeg-turbo SIMD extensions produce false positives with
MemorySanitizer. */
putenv(env);
#endif
snprintf(filename, FILENAME_MAX, "/tmp/libjpeg-turbo_cjpeg_fuzz.XXXXXX");
if ((fd = mkstemp(filename)) < 0 || write(fd, data, size) < 0)
goto bailout;
argv1[12] = argv2[13] = filename;
cjpeg_main(13, argv1);
cjpeg_main(14, argv2);
argv1[12] = argv2[13] = NULL;
argv1[11] = argv2[12] = filename;
cjpeg_main(12, argv1);
cjpeg_main(13, argv2);
bailout:
if (fd >= 0) {
close(fd);
if (strlen(filename) > 0) unlink(filename);
}
return 0;
}

133
fuzz/compress.cc Normal file
View File

@@ -0,0 +1,133 @@
/*
* Copyright (C)2021 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <turbojpeg.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#define NUMTESTS 7
/* Private flag that triggers different TurboJPEG API behavior when fuzzing */
#define TJFLAG_FUZZING (1 << 30)
struct test {
enum TJPF pf;
enum TJSAMP subsamp;
int quality;
};
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
tjhandle handle = NULL;
unsigned char *srcBuf = NULL, *dstBuf = NULL;
int width = 0, height = 0, fd = -1, i, ti;
char filename[FILENAME_MAX] = { 0 };
struct test tests[NUMTESTS] = {
{ TJPF_RGB, TJSAMP_444, 100 },
{ TJPF_BGR, TJSAMP_422, 90 },
{ TJPF_RGBX, TJSAMP_420, 80 },
{ TJPF_BGRA, TJSAMP_411, 70 },
{ TJPF_XRGB, TJSAMP_GRAY, 60 },
{ TJPF_GRAY, TJSAMP_GRAY, 50 },
{ TJPF_CMYK, TJSAMP_440, 40 }
};
#if defined(__has_feature) && __has_feature(memory_sanitizer)
char env[18] = "JSIMD_FORCENONE=1";
/* The libjpeg-turbo SIMD extensions produce false positives with
MemorySanitizer. */
putenv(env);
#endif
snprintf(filename, FILENAME_MAX, "/tmp/libjpeg-turbo_compress_fuzz.XXXXXX");
if ((fd = mkstemp(filename)) < 0 || write(fd, data, size) < 0)
goto bailout;
if ((handle = tjInitCompress()) == NULL)
goto bailout;
for (ti = 0; ti < NUMTESTS; ti++) {
int flags = TJFLAG_FUZZING, sum = 0, pf = tests[ti].pf;
unsigned long dstSize = 0, maxBufSize;
/* Test non-default compression options on specific iterations. */
if (ti == 0)
flags |= TJFLAG_BOTTOMUP | TJFLAG_ACCURATEDCT;
else if (ti == 1)
flags |= TJFLAG_PROGRESSIVE;
if (ti != 2)
flags |= TJFLAG_NOREALLOC;
/* tjLoadImage() refuses to load images larger than 1 Megapixel when
FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION is defined (yes, that's a dirty
hack), so we don't need to check the width and height here. */
if ((srcBuf = tjLoadImage(filename, &width, 1, &height, &pf,
flags)) == NULL)
continue;
maxBufSize = tjBufSize(width, height, tests[ti].subsamp);
if (flags & TJFLAG_NOREALLOC) {
if ((dstBuf = (unsigned char *)malloc(maxBufSize)) == NULL)
goto bailout;
} else
dstBuf = NULL;
if (tjCompress2(handle, srcBuf, width, 0, height, pf, &dstBuf, &dstSize,
tests[ti].subsamp, tests[ti].quality, flags) == 0) {
/* Touch all of the output pixels in order to catch uninitialized reads
when using MemorySanitizer. */
for (i = 0; i < dstSize; i++)
sum += dstBuf[i];
}
free(dstBuf);
dstBuf = NULL;
tjFree(srcBuf);
srcBuf = NULL;
/* Prevent the code above from being optimized out. This test should never
be true, but the compiler doesn't know that. */
if (sum > 255 * maxBufSize)
goto bailout;
}
bailout:
free(dstBuf);
tjFree(srcBuf);
if (fd >= 0) {
close(fd);
if (strlen(filename) > 0) unlink(filename);
}
if (handle) tjDestroy(handle);
return 0;
}

148
fuzz/compress_yuv.cc Normal file
View File

@@ -0,0 +1,148 @@
/*
* Copyright (C)2021 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <turbojpeg.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#define NUMTESTS 6
/* Private flag that triggers different TurboJPEG API behavior when fuzzing */
#define TJFLAG_FUZZING (1 << 30)
struct test {
enum TJPF pf;
enum TJSAMP subsamp;
int quality;
};
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
tjhandle handle = NULL;
unsigned char *srcBuf = NULL, *dstBuf = NULL, *yuvBuf = NULL;
int width = 0, height = 0, fd = -1, i, ti;
char filename[FILENAME_MAX] = { 0 };
struct test tests[NUMTESTS] = {
{ TJPF_XBGR, TJSAMP_444, 100 },
{ TJPF_XRGB, TJSAMP_422, 90 },
{ TJPF_BGR, TJSAMP_420, 80 },
{ TJPF_RGB, TJSAMP_411, 70 },
{ TJPF_BGR, TJSAMP_GRAY, 60 },
{ TJPF_GRAY, TJSAMP_GRAY, 50 }
};
char arithEnv[16] = "TJ_ARITHMETIC=0";
char restartEnv[13] = "TJ_RESTART=0";
#if defined(__has_feature) && __has_feature(memory_sanitizer)
char simdEnv[18] = "JSIMD_FORCENONE=1";
/* The libjpeg-turbo SIMD extensions produce false positives with
MemorySanitizer. */
putenv(simdEnv);
#endif
putenv(arithEnv);
putenv(restartEnv);
snprintf(filename, FILENAME_MAX, "/tmp/libjpeg-turbo_compress_yuv_fuzz.XXXXXX");
if ((fd = mkstemp(filename)) < 0 || write(fd, data, size) < 0)
goto bailout;
if ((handle = tjInitCompress()) == NULL)
goto bailout;
for (ti = 0; ti < NUMTESTS; ti++) {
int flags = TJFLAG_FUZZING | TJFLAG_NOREALLOC, sum = 0, pf = tests[ti].pf;
unsigned long dstSize = 0, maxBufSize;
/* Test non-default compression options on specific iterations. */
if (ti == 0)
flags |= TJFLAG_BOTTOMUP | TJFLAG_ACCURATEDCT;
else if (ti == 1 || ti == 3)
flags |= TJFLAG_PROGRESSIVE;
if (ti == 2 || ti == 3)
arithEnv[14] = '1';
else
arithEnv[14] = '0';
if (ti == 1 || ti == 2)
restartEnv[11] = '2';
else
restartEnv[11] = '0';
/* tjLoadImage() refuses to load images larger than 1 Megapixel when
FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION is defined (yes, that's a dirty
hack), so we don't need to check the width and height here. */
if ((srcBuf = tjLoadImage(filename, &width, 1, &height, &pf,
flags)) == NULL)
continue;
maxBufSize = tjBufSize(width, height, tests[ti].subsamp);
if ((dstBuf = (unsigned char *)malloc(maxBufSize)) == NULL)
goto bailout;
if ((yuvBuf =
(unsigned char *)malloc(tjBufSizeYUV2(width, 1, height,
tests[ti].subsamp))) == NULL)
goto bailout;
if (tjEncodeYUV3(handle, srcBuf, width, 0, height, pf, yuvBuf, 1,
tests[ti].subsamp, flags) == 0 &&
tjCompressFromYUV(handle, yuvBuf, width, 1, height, tests[ti].subsamp,
&dstBuf, &dstSize, tests[ti].quality, flags) == 0) {
/* Touch all of the output pixels in order to catch uninitialized reads
when using MemorySanitizer. */
for (i = 0; i < dstSize; i++)
sum += dstBuf[i];
}
free(dstBuf);
dstBuf = NULL;
free(yuvBuf);
yuvBuf = NULL;
tjFree(srcBuf);
srcBuf = NULL;
/* Prevent the code above from being optimized out. This test should never
be true, but the compiler doesn't know that. */
if (sum > 255 * maxBufSize)
goto bailout;
}
bailout:
free(dstBuf);
free(yuvBuf);
tjFree(srcBuf);
if (fd >= 0) {
close(fd);
if (strlen(filename) > 0) unlink(filename);
}
if (handle) tjDestroy(handle);
return 0;
}

106
fuzz/decompress.cc Normal file
View File

@@ -0,0 +1,106 @@
/*
* Copyright (C)2021 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <turbojpeg.h>
#include <stdlib.h>
#include <stdint.h>
#define NUMPF 4
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
tjhandle handle = NULL;
unsigned char *dstBuf = NULL;
int width = 0, height = 0, jpegSubsamp, jpegColorspace, pfi;
/* TJPF_RGB-TJPF_BGR share the same code paths, as do TJPF_RGBX-TJPF_XRGB and
TJPF_RGBA-TJPF_ARGB. Thus, the pixel formats below should be the minimum
necessary to achieve full coverage. */
enum TJPF pixelFormats[NUMPF] =
{ TJPF_RGB, TJPF_BGRX, TJPF_GRAY, TJPF_CMYK };
#if defined(__has_feature) && __has_feature(memory_sanitizer)
char env[18] = "JSIMD_FORCENONE=1";
/* The libjpeg-turbo SIMD extensions produce false positives with
MemorySanitizer. */
putenv(env);
#endif
if ((handle = tjInitDecompress()) == NULL)
goto bailout;
/* We ignore the return value of tjDecompressHeader3(), because some JPEG
images may have unusual subsampling configurations that the TurboJPEG API
cannot identify but can still decompress. */
tjDecompressHeader3(handle, data, size, &width, &height, &jpegSubsamp,
&jpegColorspace);
/* Ignore 0-pixel images and images larger than 1 Megapixel, as Google's
OSS-Fuzz target for libjpeg-turbo did. Casting width to (uint64_t)
prevents integer overflow if width * height > INT_MAX. */
if (width < 1 || height < 1 || (uint64_t)width * height > 1048576)
goto bailout;
for (pfi = 0; pfi < NUMPF; pfi++) {
int pf = pixelFormats[pfi], flags = TJFLAG_LIMITSCANS, i, sum = 0;
int w = width, h = height;
/* Test non-default decompression options on the first iteration. */
if (pfi == 0)
flags |= TJFLAG_BOTTOMUP | TJFLAG_FASTUPSAMPLE | TJFLAG_FASTDCT;
/* Test IDCT scaling on the second iteration. */
else if (pfi == 1) {
w = (width + 1) / 2;
h = (height + 1) / 2;
}
if ((dstBuf = (unsigned char *)malloc(w * h * tjPixelSize[pf])) == NULL)
goto bailout;
if (tjDecompress2(handle, data, size, dstBuf, w, 0, h, pf, flags) == 0) {
/* Touch all of the output pixels in order to catch uninitialized reads
when using MemorySanitizer. */
for (i = 0; i < w * h * tjPixelSize[pf]; i++)
sum += dstBuf[i];
}
free(dstBuf);
dstBuf = NULL;
/* Prevent the code above from being optimized out. This test should never
be true, but the compiler doesn't know that. */
if (sum > 255 * 1048576 * tjPixelSize[pf])
goto bailout;
}
bailout:
free(dstBuf);
if (handle) tjDestroy(handle);
return 0;
}

111
fuzz/decompress_yuv.cc Normal file
View File

@@ -0,0 +1,111 @@
/*
* Copyright (C)2021 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <turbojpeg.h>
#include <stdlib.h>
#include <stdint.h>
#define NUMPF 3
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
tjhandle handle = NULL;
unsigned char *dstBuf = NULL, *yuvBuf = NULL;
int width = 0, height = 0, jpegSubsamp, jpegColorspace, pfi;
/* TJPF_RGB-TJPF_BGR share the same code paths, as do TJPF_RGBX-TJPF_XRGB and
TJPF_RGBA-TJPF_ARGB. Thus, the pixel formats below should be the minimum
necessary to achieve full coverage. */
enum TJPF pixelFormats[NUMPF] =
{ TJPF_BGR, TJPF_XRGB, TJPF_GRAY };
#if defined(__has_feature) && __has_feature(memory_sanitizer)
char env[18] = "JSIMD_FORCENONE=1";
/* The libjpeg-turbo SIMD extensions produce false positives with
MemorySanitizer. */
putenv(env);
#endif
if ((handle = tjInitDecompress()) == NULL)
goto bailout;
if (tjDecompressHeader3(handle, data, size, &width, &height, &jpegSubsamp,
&jpegColorspace) < 0)
goto bailout;
/* Ignore 0-pixel images and images larger than 1 Megapixel. Casting width
to (uint64_t) prevents integer overflow if width * height > INT_MAX. */
if (width < 1 || height < 1 || (uint64_t)width * height > 1048576)
goto bailout;
for (pfi = 0; pfi < NUMPF; pfi++) {
int pf = pixelFormats[pfi], flags = TJFLAG_LIMITSCANS, i, sum = 0;
int w = width, h = height;
/* Test non-default decompression options on the first iteration. */
if (pfi == 0)
flags |= TJFLAG_BOTTOMUP | TJFLAG_FASTUPSAMPLE | TJFLAG_FASTDCT;
/* Test IDCT scaling on the second iteration. */
else if (pfi == 1) {
w = (width + 3) / 4;
h = (height + 3) / 4;
}
if ((dstBuf = (unsigned char *)malloc(w * h * tjPixelSize[pf])) == NULL)
goto bailout;
if ((yuvBuf =
(unsigned char *)malloc(tjBufSizeYUV2(w, 1, h, jpegSubsamp))) == NULL)
goto bailout;
if (tjDecompressToYUV2(handle, data, size, yuvBuf, w, 1, h, flags) == 0 &&
tjDecodeYUV(handle, yuvBuf, 1, jpegSubsamp, dstBuf, w, 0, h, pf,
flags) == 0) {
/* Touch all of the output pixels in order to catch uninitialized reads
when using MemorySanitizer. */
for (i = 0; i < w * h * tjPixelSize[pf]; i++)
sum += dstBuf[i];
}
free(dstBuf);
dstBuf = NULL;
free(yuvBuf);
yuvBuf = NULL;
/* Prevent the code above from being optimized out. This test should never
be true, but the compiler doesn't know that. */
if (sum > 255 * 1048576 * tjPixelSize[pf])
goto bailout;
}
bailout:
free(dstBuf);
free(yuvBuf);
if (handle) tjDestroy(handle);
return 0;
}

135
fuzz/transform.cc Normal file
View File

@@ -0,0 +1,135 @@
/*
* Copyright (C)2021 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <turbojpeg.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#define NUMXFORMS 3
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
tjhandle handle = NULL;
unsigned char *dstBufs[NUMXFORMS] = { NULL, NULL, NULL };
unsigned long dstSizes[NUMXFORMS] = { 0, 0, 0 }, maxBufSize;
int width = 0, height = 0, jpegSubsamp, jpegColorspace, i, t;
tjtransform transforms[NUMXFORMS];
#if defined(__has_feature) && __has_feature(memory_sanitizer)
char env[18] = "JSIMD_FORCENONE=1";
/* The libjpeg-turbo SIMD extensions produce false positives with
MemorySanitizer. */
putenv(env);
#endif
if ((handle = tjInitTransform()) == NULL)
goto bailout;
/* We ignore the return value of tjDecompressHeader3(), because some JPEG
images may have unusual subsampling configurations that the TurboJPEG API
cannot identify but can still transform. */
tjDecompressHeader3(handle, data, size, &width, &height, &jpegSubsamp,
&jpegColorspace);
/* Ignore 0-pixel images and images larger than 1 Megapixel. Casting width
to (uint64_t) prevents integer overflow if width * height > INT_MAX. */
if (width < 1 || height < 1 || (uint64_t)width * height > 1048576)
goto bailout;
if (jpegSubsamp < 0 || jpegSubsamp >= TJ_NUMSAMP)
jpegSubsamp = TJSAMP_444;
for (t = 0; t < NUMXFORMS; t++)
memset(&transforms[t], 0, sizeof(tjtransform));
transforms[0].op = TJXOP_NONE;
transforms[0].options = TJXOPT_PROGRESSIVE | TJXOPT_COPYNONE;
dstBufs[0] = (unsigned char *)malloc(tjBufSize(width, height, jpegSubsamp));
if (!dstBufs[0])
goto bailout;
transforms[1].r.w = (width + 1) / 2;
transforms[1].r.h = (height + 1) / 2;
transforms[1].op = TJXOP_TRANSPOSE;
transforms[1].options = TJXOPT_GRAY | TJXOPT_CROP | TJXOPT_COPYNONE;
dstBufs[1] =
(unsigned char *)malloc(tjBufSize((width + 1) / 2, (height + 1) / 2,
TJSAMP_GRAY));
if (!dstBufs[1])
goto bailout;
transforms[2].op = TJXOP_ROT90;
transforms[2].options = TJXOPT_TRIM | TJXOPT_COPYNONE;
dstBufs[2] = (unsigned char *)malloc(tjBufSize(height, width, jpegSubsamp));
if (!dstBufs[2])
goto bailout;
maxBufSize = tjBufSize(width, height, jpegSubsamp);
if (tjTransform(handle, data, size, NUMXFORMS, dstBufs, dstSizes, transforms,
TJFLAG_LIMITSCANS | TJFLAG_NOREALLOC) == 0) {
/* Touch all of the output pixels in order to catch uninitialized reads
when using MemorySanitizer. */
for (t = 0; t < NUMXFORMS; t++) {
int sum = 0;
for (i = 0; i < dstSizes[t]; i++)
sum += dstBufs[t][i];
/* Prevent the code above from being optimized out. This test should
never be true, but the compiler doesn't know that. */
if (sum > 255 * maxBufSize)
goto bailout;
}
}
transforms[0].options &= ~TJXOPT_COPYNONE;
free(dstBufs[0]);
dstBufs[0] = NULL;
dstSizes[0] = 0;
if (tjTransform(handle, data, size, 1, dstBufs, dstSizes, transforms,
TJFLAG_LIMITSCANS) == 0) {
int sum = 0;
for (i = 0; i < dstSizes[0]; i++)
sum += dstBufs[0][i];
if (sum > 255 * maxBufSize)
goto bailout;
}
bailout:
for (t = 0; t < NUMXFORMS; t++)
free(dstBufs[t]);
if (handle) tjDestroy(handle);
return 0;
}

View File

@@ -1,5 +1,6 @@
/*
* Copyright (C)2009-2014, 2016-2019 D. R. Commander. All Rights Reserved.
* Copyright (C)2009-2014, 2016-2019, 2021 D. R. Commander.
* All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -752,6 +753,8 @@ final class TJBench {
System.out.println("-componly = Stop after running compression tests. Do not test decompression.");
System.out.println("-nowrite = Do not write reference or output images (improves consistency");
System.out.println(" of performance measurements.)");
System.out.println("-limitscans = Refuse to decompress or transform progressive JPEG images that");
System.out.println(" have an unreasonably large number of scans");
System.out.println("-stoponwarning = Immediately discontinue the current");
System.out.println(" compression/decompression/transform operation if the underlying codec");
System.out.println(" throws a warning (non-fatal error)\n");
@@ -929,6 +932,8 @@ final class TJBench {
compOnly = true;
else if (argv[i].equalsIgnoreCase("-nowrite"))
write = false;
else if (argv[i].equalsIgnoreCase("-limitscans"))
flags |= TJ.FLAG_LIMITSCANS;
else if (argv[i].equalsIgnoreCase("-stoponwarning"))
flags |= TJ.FLAG_STOPONWARNING;
else usage();

View File

@@ -189,167 +189,174 @@
<td class="colLast"><code>128</code></td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.FLAG_LIMITSCANS">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#FLAG_LIMITSCANS">FLAG_LIMITSCANS</a></code></td>
<td class="colLast"><code>32768</code></td>
</tr>
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.FLAG_PROGRESSIVE">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#FLAG_PROGRESSIVE">FLAG_PROGRESSIVE</a></code></td>
<td class="colLast"><code>16384</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.FLAG_STOPONWARNING">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#FLAG_STOPONWARNING">FLAG_STOPONWARNING</a></code></td>
<td class="colLast"><code>8192</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.NUMCS">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#NUMCS">NUMCS</a></code></td>
<td class="colLast"><code>5</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.NUMERR">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#NUMERR">NUMERR</a></code></td>
<td class="colLast"><code>2</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.NUMPF">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#NUMPF">NUMPF</a></code></td>
<td class="colLast"><code>12</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.NUMSAMP">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#NUMSAMP">NUMSAMP</a></code></td>
<td class="colLast"><code>6</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_ABGR">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_ABGR">PF_ABGR</a></code></td>
<td class="colLast"><code>9</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_ARGB">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_ARGB">PF_ARGB</a></code></td>
<td class="colLast"><code>10</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_BGR">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_BGR">PF_BGR</a></code></td>
<td class="colLast"><code>1</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_BGRA">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_BGRA">PF_BGRA</a></code></td>
<td class="colLast"><code>8</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_BGRX">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_BGRX">PF_BGRX</a></code></td>
<td class="colLast"><code>3</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_CMYK">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_CMYK">PF_CMYK</a></code></td>
<td class="colLast"><code>11</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_GRAY">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_GRAY">PF_GRAY</a></code></td>
<td class="colLast"><code>6</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_RGB">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_RGB">PF_RGB</a></code></td>
<td class="colLast"><code>0</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_RGBA">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_RGBA">PF_RGBA</a></code></td>
<td class="colLast"><code>7</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_RGBX">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_RGBX">PF_RGBX</a></code></td>
<td class="colLast"><code>2</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_XBGR">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_XBGR">PF_XBGR</a></code></td>
<td class="colLast"><code>4</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.PF_XRGB">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#PF_XRGB">PF_XRGB</a></code></td>
<td class="colLast"><code>5</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.SAMP_411">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#SAMP_411">SAMP_411</a></code></td>
<td class="colLast"><code>5</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.SAMP_420">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#SAMP_420">SAMP_420</a></code></td>
<td class="colLast"><code>2</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.SAMP_422">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#SAMP_422">SAMP_422</a></code></td>
<td class="colLast"><code>1</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.SAMP_440">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#SAMP_440">SAMP_440</a></code></td>
<td class="colLast"><code>4</code></td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.SAMP_444">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>
<td><code><a href="org/libjpegturbo/turbojpeg/TJ.html#SAMP_444">SAMP_444</a></code></td>
<td class="colLast"><code>0</code></td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><a name="org.libjpegturbo.turbojpeg.TJ.SAMP_GRAY">
<!-- -->
</a><code>public&nbsp;static&nbsp;final&nbsp;int</code></td>

View File

@@ -337,6 +337,11 @@
<dd>
<div class="block"><span class="strong">Deprecated.</span></div>
</dd>
<dt><span class="strong"><a href="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_LIMITSCANS">FLAG_LIMITSCANS</a></span> - Static variable in class org.libjpegturbo.turbojpeg.<a href="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</a></dt>
<dd>
<div class="block">Limit the number of progressive JPEG scans that the decompression and
transform operations will process.</div>
</dd>
<dt><span class="strong"><a href="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_PROGRESSIVE">FLAG_PROGRESSIVE</a></span> - Static variable in class org.libjpegturbo.turbojpeg.<a href="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</a></dt>
<dd>
<div class="block">Use progressive entropy coding in JPEG images generated by compression and

View File

@@ -214,145 +214,152 @@ extends java.lang.Object</pre>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_LIMITSCANS">FLAG_LIMITSCANS</a></strong></code>
<div class="block">Limit the number of progressive JPEG scans that the decompression and
transform operations will process.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_PROGRESSIVE">FLAG_PROGRESSIVE</a></strong></code>
<div class="block">Use progressive entropy coding in JPEG images generated by compression and
transform operations.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_STOPONWARNING">FLAG_STOPONWARNING</a></strong></code>
<div class="block">Immediately discontinue the current compression/decompression/transform
operation if the underlying codec throws a warning (non-fatal error).</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#NUMCS">NUMCS</a></strong></code>
<div class="block">The number of JPEG colorspaces</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#NUMERR">NUMERR</a></strong></code>
<div class="block">The number of error codes</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#NUMPF">NUMPF</a></strong></code>
<div class="block">The number of pixel formats</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#NUMSAMP">NUMSAMP</a></strong></code>
<div class="block">The number of chrominance subsampling options</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_ABGR">PF_ABGR</a></strong></code>
<div class="block">ABGR pixel format.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_ARGB">PF_ARGB</a></strong></code>
<div class="block">ARGB pixel format.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_BGR">PF_BGR</a></strong></code>
<div class="block">BGR pixel format.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_BGRA">PF_BGRA</a></strong></code>
<div class="block">BGRA pixel format.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_BGRX">PF_BGRX</a></strong></code>
<div class="block">BGRX pixel format.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_CMYK">PF_CMYK</a></strong></code>
<div class="block">CMYK pixel format.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_GRAY">PF_GRAY</a></strong></code>
<div class="block">Grayscale pixel format.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_RGB">PF_RGB</a></strong></code>
<div class="block">RGB pixel format.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_RGBA">PF_RGBA</a></strong></code>
<div class="block">RGBA pixel format.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_RGBX">PF_RGBX</a></strong></code>
<div class="block">RGBX pixel format.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_XBGR">PF_XBGR</a></strong></code>
<div class="block">XBGR pixel format.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_XRGB">PF_XRGB</a></strong></code>
<div class="block">XRGB pixel format.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_411">SAMP_411</a></strong></code>
<div class="block">4:1:1 chrominance subsampling.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_420">SAMP_420</a></strong></code>
<div class="block">4:2:0 chrominance subsampling.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_422">SAMP_422</a></strong></code>
<div class="block">4:2:2 chrominance subsampling.</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_440">SAMP_440</a></strong></code>
<div class="block">4:4:0 chrominance subsampling.</div>
</td>
</tr>
<tr class="rowColor">
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_444">SAMP_444</a></strong></code>
<div class="block">4:4:4 chrominance subsampling (no chrominance subsampling).</div>
</td>
</tr>
<tr class="altColor">
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_GRAY">SAMP_GRAY</a></strong></code>
<div class="block">Grayscale.</div>
@@ -1013,6 +1020,23 @@ public static final&nbsp;int FLAG_FORCESSE3</pre>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.FLAG_PROGRESSIVE">Constant Field Values</a></dd></dl>
</li>
</ul>
<a name="FLAG_LIMITSCANS">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>FLAG_LIMITSCANS</h4>
<pre>public static final&nbsp;int FLAG_LIMITSCANS</pre>
<div class="block">Limit the number of progressive JPEG scans that the decompression and
transform operations will process. If a progressive JPEG image contains
an unreasonably large number of scans, then this flag will cause the
decompression and transform operations to throw an error. The primary
purpose of this is to allow security-critical applications to guard
against an exploit of the progressive JPEG format described in
<a href="https://libjpeg-turbo.org/pmwiki/uploads/About/TwoIssueswiththeJPEGStandard.pdf" target="_blank">this report</a>.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJ.FLAG_LIMITSCANS">Constant Field Values</a></dd></dl>
</li>
</ul>
<a name="NUMERR">
<!-- -->
</a>

View File

@@ -1,6 +1,6 @@
/*
* Copyright (C)2011-2013, 2017-2018, 2020 D. R. Commander.
* All Rights Reserved.
* Copyright (C)2011-2013, 2017-2018, 2020-2021 D. R. Commander.
* All Rights Reserved.
* Copyright (C)2015 Viktor Szathmáry. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -438,6 +438,16 @@ public final class TJ {
* reduce compression and decompression performance considerably.
*/
public static final int FLAG_PROGRESSIVE = 16384;
/**
* Limit the number of progressive JPEG scans that the decompression and
* transform operations will process. If a progressive JPEG image contains
* an unreasonably large number of scans, then this flag will cause the
* decompression and transform operations to throw an error. The primary
* purpose of this is to allow security-critical applications to guard
* against an exploit of the progressive JPEG format described in
* <a href="https://libjpeg-turbo.org/pmwiki/uploads/About/TwoIssueswiththeJPEGStandard.pdf" target="_blank">this report</a>.
*/
public static final int FLAG_LIMITSCANS = 32768;
/**

View File

@@ -61,12 +61,32 @@ extern "C" {
#define org_libjpegturbo_turbojpeg_TJ_CS_YCCK 4L
#undef org_libjpegturbo_turbojpeg_TJ_FLAG_BOTTOMUP
#define org_libjpegturbo_turbojpeg_TJ_FLAG_BOTTOMUP 2L
#undef org_libjpegturbo_turbojpeg_TJ_FLAG_FORCEMMX
#define org_libjpegturbo_turbojpeg_TJ_FLAG_FORCEMMX 8L
#undef org_libjpegturbo_turbojpeg_TJ_FLAG_FORCESSE
#define org_libjpegturbo_turbojpeg_TJ_FLAG_FORCESSE 16L
#undef org_libjpegturbo_turbojpeg_TJ_FLAG_FORCESSE2
#define org_libjpegturbo_turbojpeg_TJ_FLAG_FORCESSE2 32L
#undef org_libjpegturbo_turbojpeg_TJ_FLAG_FORCESSE3
#define org_libjpegturbo_turbojpeg_TJ_FLAG_FORCESSE3 128L
#undef org_libjpegturbo_turbojpeg_TJ_FLAG_FASTUPSAMPLE
#define org_libjpegturbo_turbojpeg_TJ_FLAG_FASTUPSAMPLE 256L
#undef org_libjpegturbo_turbojpeg_TJ_FLAG_FASTDCT
#define org_libjpegturbo_turbojpeg_TJ_FLAG_FASTDCT 2048L
#undef org_libjpegturbo_turbojpeg_TJ_FLAG_ACCURATEDCT
#define org_libjpegturbo_turbojpeg_TJ_FLAG_ACCURATEDCT 4096L
#undef org_libjpegturbo_turbojpeg_TJ_FLAG_STOPONWARNING
#define org_libjpegturbo_turbojpeg_TJ_FLAG_STOPONWARNING 8192L
#undef org_libjpegturbo_turbojpeg_TJ_FLAG_PROGRESSIVE
#define org_libjpegturbo_turbojpeg_TJ_FLAG_PROGRESSIVE 16384L
#undef org_libjpegturbo_turbojpeg_TJ_FLAG_LIMITSCANS
#define org_libjpegturbo_turbojpeg_TJ_FLAG_LIMITSCANS 32768L
#undef org_libjpegturbo_turbojpeg_TJ_NUMERR
#define org_libjpegturbo_turbojpeg_TJ_NUMERR 2L
#undef org_libjpegturbo_turbojpeg_TJ_ERR_WARNING
#define org_libjpegturbo_turbojpeg_TJ_ERR_WARNING 0L
#undef org_libjpegturbo_turbojpeg_TJ_ERR_FATAL
#define org_libjpegturbo_turbojpeg_TJ_ERR_FATAL 1L
/*
* Class: org_libjpegturbo_turbojpeg_TJ
* Method: bufSize

View File

@@ -535,6 +535,11 @@ start_input_bmp(j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
if (biWidth <= 0 || biHeight <= 0)
ERREXIT(cinfo, JERR_BMP_EMPTY);
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
if (sinfo->max_pixels &&
(unsigned long long)biWidth * biHeight > sinfo->max_pixels)
ERREXIT(cinfo, JERR_WIDTH_OVERFLOW);
#endif
if (biPlanes != 1)
ERREXIT(cinfo, JERR_BMP_BADPLANES);
@@ -685,6 +690,9 @@ jinit_read_bmp(j_compress_ptr cinfo, boolean use_inversion_array)
/* Fill in method ptrs, except get_pixel_rows which start_input sets */
source->pub.start_input = start_input_bmp;
source->pub.finish_input = finish_input_bmp;
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
source->pub.max_pixels = 0;
#endif
source->use_inversion_array = use_inversion_array;

View File

@@ -596,6 +596,10 @@ start_input_ppm(j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
if (w <= 0 || h <= 0 || maxval <= 0) /* error check */
ERREXIT(cinfo, JERR_PPM_NOT);
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
if (sinfo->max_pixels && (unsigned long long)w * h > sinfo->max_pixels)
ERREXIT(cinfo, JERR_WIDTH_OVERFLOW);
#endif
cinfo->data_precision = BITS_IN_JSAMPLE; /* we always rescale data to this */
cinfo->image_width = (JDIMENSION)w;
@@ -777,6 +781,9 @@ jinit_read_ppm(j_compress_ptr cinfo)
/* Fill in method ptrs, except get_pixel_rows which start_input sets */
source->pub.start_input = start_input_ppm;
source->pub.finish_input = finish_input_ppm;
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
source->pub.max_pixels = 0;
#endif
return (cjpeg_source_ptr)source;
}

View File

@@ -5,7 +5,7 @@
* Copyright (C) 1991-1996, Thomas G. Lane.
* Modified 2017 by Guido Vollbeding.
* libjpeg-turbo Modifications:
* Copyright (C) 2018, D. R. Commander.
* Copyright (C) 2018, 2021, D. R. Commander.
* For conditions of distribution and use, see the accompanying README.ijg
* file.
*
@@ -373,6 +373,11 @@ start_input_tga(j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
interlace_type != 0 || /* currently don't allow interlaced image */
width == 0 || height == 0) /* image width/height must be non-zero */
ERREXIT(cinfo, JERR_TGA_BADPARMS);
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
if (sinfo->max_pixels &&
(unsigned long long)width * height > sinfo->max_pixels)
ERREXIT(cinfo, JERR_WIDTH_OVERFLOW);
#endif
if (subtype > 8) {
/* It's an RLE-coded file */
@@ -503,6 +508,9 @@ jinit_read_targa(j_compress_ptr cinfo)
/* Fill in method ptrs, except get_pixel_rows which start_input sets */
source->pub.start_input = start_input_tga;
source->pub.finish_input = finish_input_tga;
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
source->pub.max_pixels = 0;
#endif
return (cjpeg_source_ptr)source;
}

View File

@@ -1,5 +1,5 @@
/*
* Copyright (C)2009-2019, 2022 D. R. Commander. All Rights Reserved.
* Copyright (C)2009-2019, 2021-2022 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -802,6 +802,8 @@ static void usage(char *progName)
printf("-componly = Stop after running compression tests. Do not test decompression.\n");
printf("-nowrite = Do not write reference or output images (improves consistency of\n");
printf(" performance measurements.)\n");
printf("-limitscans = Refuse to decompress or transform progressive JPEG images that\n");
printf(" have an unreasonably large number of scans\n");
printf("-stoponwarning = Immediately discontinue the current\n");
printf(" compression/decompression/transform operation if the underlying codec\n");
printf(" throws a warning (non-fatal error)\n\n");
@@ -957,6 +959,8 @@ int main(int argc, char *argv[])
compOnly = 1;
else if (!strcasecmp(argv[i], "-nowrite"))
doWrite = 0;
else if (!strcasecmp(argv[i], "-limitscans"))
flags |= TJFLAG_LIMITSCANS;
else if (!strcasecmp(argv[i], "-stoponwarning"))
flags |= TJFLAG_STOPONWARNING;
else usage(argv[0]);

View File

@@ -1,5 +1,5 @@
/*
* Copyright (C)2009-2020 D. R. Commander. All Rights Reserved.
* Copyright (C)2009-2021 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -112,6 +112,32 @@ typedef struct _tjinstance {
boolean isInstanceError;
} tjinstance;
struct my_progress_mgr {
struct jpeg_progress_mgr pub;
tjinstance *this;
};
typedef struct my_progress_mgr *my_progress_ptr;
static void my_progress_monitor(j_common_ptr dinfo)
{
my_error_ptr myerr = (my_error_ptr)dinfo->err;
my_progress_ptr myprog = (my_progress_ptr)dinfo->progress;
if (dinfo->is_decompressor) {
int scan_no = ((j_decompress_ptr)dinfo)->input_scan_number;
if (scan_no > 500) {
snprintf(myprog->this->errStr, JMSG_LENGTH_MAX,
"Progressive JPEG image has more than 500 scans");
snprintf(errStr, JMSG_LENGTH_MAX,
"Progressive JPEG image has more than 500 scans");
myprog->this->isInstanceError = TRUE;
myerr->warning = FALSE;
longjmp(myerr->setjmp_buffer, 1);
}
}
}
static const int pixelsize[TJ_NUMSAMP] = { 3, 3, 3, 1, 3, 3 };
static const JXFORM_CODE xformtypes[TJ_NUMXOP] = {
@@ -178,6 +204,11 @@ static int cs2pf[JPEG_NUMCS] = {
this->isInstanceError = TRUE; THROWG(m) \
}
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
/* Private flag that triggers different TurboJPEG API behavior when fuzzing */
#define TJFLAG_FUZZING (1 << 30)
#endif
#define GET_INSTANCE(handle) \
tjinstance *this = (tjinstance *)handle; \
j_compress_ptr cinfo = NULL; \
@@ -1251,6 +1282,7 @@ DLLEXPORT int tjDecompress2(tjhandle handle, const unsigned char *jpegBuf,
{
JSAMPROW *row_pointer = NULL;
int i, retval = 0, jpegwidth, jpegheight, scaledw, scaledh;
struct my_progress_mgr progress;
GET_DINSTANCE(handle);
this->jerr.stopOnWarning = (flags & TJFLAG_STOPONWARNING) ? TRUE : FALSE;
@@ -1267,6 +1299,14 @@ DLLEXPORT int tjDecompress2(tjhandle handle, const unsigned char *jpegBuf,
else if (flags & TJFLAG_FORCESSE2) putenv("JSIMD_FORCESSE2=1");
#endif
if (flags & TJFLAG_LIMITSCANS) {
MEMZERO(&progress, sizeof(struct my_progress_mgr));
progress.pub.progress_monitor = my_progress_monitor;
progress.this = this;
dinfo->progress = &progress.pub;
} else
dinfo->progress = NULL;
if (setjmp(this->jerr.setjmp_buffer)) {
/* If we get here, the JPEG code has signaled an error. */
retval = -1; goto bailout;
@@ -1585,6 +1625,7 @@ DLLEXPORT int tjDecompressToYUVPlanes(tjhandle handle,
JSAMPLE *_tmpbuf = NULL, *ptr;
JSAMPROW *outbuf[MAX_COMPONENTS], *tmpbuf[MAX_COMPONENTS];
int dctsize;
struct my_progress_mgr progress;
GET_DINSTANCE(handle);
this->jerr.stopOnWarning = (flags & TJFLAG_STOPONWARNING) ? TRUE : FALSE;
@@ -1606,6 +1647,14 @@ DLLEXPORT int tjDecompressToYUVPlanes(tjhandle handle,
else if (flags & TJFLAG_FORCESSE2) putenv("JSIMD_FORCESSE2=1");
#endif
if (flags & TJFLAG_LIMITSCANS) {
MEMZERO(&progress, sizeof(struct my_progress_mgr));
progress.pub.progress_monitor = my_progress_monitor;
progress.this = this;
dinfo->progress = &progress.pub;
} else
dinfo->progress = NULL;
if (setjmp(this->jerr.setjmp_buffer)) {
/* If we get here, the JPEG code has signaled an error. */
retval = -1; goto bailout;
@@ -1844,6 +1893,7 @@ DLLEXPORT int tjTransform(tjhandle handle, const unsigned char *jpegBuf,
jpeg_transform_info *xinfo = NULL;
jvirt_barray_ptr *srccoefs, *dstcoefs;
int retval = 0, alloc = 1, i, jpegSubsamp, saveMarkers = 0;
struct my_progress_mgr progress;
GET_INSTANCE(handle);
this->jerr.stopOnWarning = (flags & TJFLAG_STOPONWARNING) ? TRUE : FALSE;
@@ -1860,6 +1910,14 @@ DLLEXPORT int tjTransform(tjhandle handle, const unsigned char *jpegBuf,
else if (flags & TJFLAG_FORCESSE2) putenv("JSIMD_FORCESSE2=1");
#endif
if (flags & TJFLAG_LIMITSCANS) {
MEMZERO(&progress, sizeof(struct my_progress_mgr));
progress.pub.progress_monitor = my_progress_monitor;
progress.this = this;
dinfo->progress = &progress.pub;
} else
dinfo->progress = NULL;
if ((xinfo =
(jpeg_transform_info *)malloc(sizeof(jpeg_transform_info) * n)) == NULL)
THROW("tjTransform(): Memory allocation failure");
@@ -2043,6 +2101,11 @@ DLLEXPORT unsigned char *tjLoadImage(const char *filename, int *width,
THROWG("tjLoadImage(): Unsupported file type");
src->input_file = file;
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
/* Refuse to load images larger than 1 Megapixel when fuzzing. */
if (flags & TJFLAG_FUZZING)
src->max_pixels = 1048576;
#endif
(*src->start_input) (cinfo, src);
(*cinfo->mem->realize_virt_arrays) ((j_common_ptr)cinfo);

View File

@@ -1,5 +1,6 @@
/*
* Copyright (C)2009-2015, 2017, 2020 D. R. Commander. All Rights Reserved.
* Copyright (C)2009-2015, 2017, 2020-2021 D. R. Commander.
* All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -418,6 +419,16 @@ enum TJCS {
* reduce compression and decompression performance considerably.
*/
#define TJFLAG_PROGRESSIVE 16384
/**
* Limit the number of progressive JPEG scans that the decompression and
* transform functions will process. If a progressive JPEG image contains an
* unreasonably large number of scans, then this flag will cause the
* decompression and transform functions to return an error. The primary
* purpose of this is to allow security-critical applications to guard against
* an exploit of the progressive JPEG format described in
* <a href="https://libjpeg-turbo.org/pmwiki/uploads/About/TwoIssueswiththeJPEGStandard.pdf" target="_blank">this report</a>.
*/
#define TJFLAG_LIMITSCANS 32768
/**