ffmpeg | branch: master | Kacper Michajłow <kaspe...@gmail.com> | Thu Jun 27 02:40:35 2024 +0200| [5dfc0cc84129758b4eab2acdc3e186c3116deacd] | committer: Michael Niedermayer
avcodec/parser: ensure input padding is zeroed Fixes use of uninitialized value, reported by MSAN. Found by OSS-Fuzz. Signed-off-by: Kacper Michajłow <kaspe...@gmail.com> Fixes: 70852/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-5179190066872320 Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5dfc0cc84129758b4eab2acdc3e186c3116deacd --- libavcodec/parser.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libavcodec/parser.c b/libavcodec/parser.c index af17ee9c15..426cc314fb 100644 --- a/libavcodec/parser.c +++ b/libavcodec/parser.c @@ -236,6 +236,7 @@ int ff_combine_frame(ParseContext *pc, int next, } pc->buffer = new_buffer; memcpy(&pc->buffer[pc->index], *buf, *buf_size); + memset(&pc->buffer[pc->index + *buf_size], 0, AV_INPUT_BUFFER_PADDING_SIZE); pc->index += *buf_size; return -1; } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
