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Code Issues Releases Activity

avcodec/parser: Reset *buf_size on realloc failure

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Fixes: out of array access
Fixes: crash-0d640731c7da52415670eb47a2af701cbe2e1a3b
Fixes: crash-e745864ead6ea418959c8df56de2765571201dae

Found-by: Catena cyber <contact@catenacyber.fr>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Reimar Döffinger 2024-03-12 23:06:49 +01:00 committed by Michael Niedermayer
parent 384cc270d2
commit 605fc72f19
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GPG Key ID: B18E8928B3948D64
1 changed files with 1 additions and 0 deletions
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libavcodec/parser.c
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@ -252,6 +252,7 @@ int ff_combine_frame(ParseContext *pc, int next,
AV_INPUT_BUFFER_PADDING_SIZE);
if (!new_buffer) {
av_log(NULL, AV_LOG_ERROR, "Failed to reallocate parser buffer to %d\n", next + pc->index + AV_INPUT_BUFFER_PADDING_SIZE);
*buf_size =
pc->overread_index =
pc->index = 0;
return AVERROR(ENOMEM);