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BIO_send/recvmmsg(): Pass msgs_processed to the return callback

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This avoids crash if a legacy BIO callback is set and
BIO_sendmmsg() or BIO_recvmmsg() is used.

Reported by Stanislav Fort (Aisle Research)

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Norbert Pocs <norbertp@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/29395)
This commit is contained in:
Tomas Mraz
2025-12-15 11:41:38 +01:00
parent ca9827379a
commit 380ff14485
1 changed files with 2 additions and 2 deletions
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4
crypto/bio/bio_lib.c
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@@ -429,7 +429,7 @@ int BIO_sendmmsg(BIO *b, BIO_MSG *msg,
if (HAS_CALLBACK(b))
ret = (size_t)bio_call_callback(b, BIO_CB_SENDMMSG | BIO_CB_RETURN,
(void *)&args, ret, 0, 0, (long)ret, NULL);
(void *)&args, ret, 0, 0, (long)ret, msgs_processed);
return ret > 0;
}
@@ -476,7 +476,7 @@ int BIO_recvmmsg(BIO *b, BIO_MSG *msg,
if (HAS_CALLBACK(b))
ret = (size_t)bio_call_callback(b, BIO_CB_RECVMMSG | BIO_CB_RETURN,
(void *)&args, ret, 0, 0, (long)ret, NULL);
(void *)&args, ret, 0, 0, (long)ret, msgs_processed);
return ret > 0;
}