ffmpeg | branch: release/3.2 | Michael Niedermayer <[email protected]> | Tue Dec 7 09:14:08 2021 +0100| [0bcd3550a4ddc441aae04fedfe2d80918be705ed] | committer: Michael Niedermayer
avformat/4xm: Consider max_streams on reallocating tracks array Fixes: OOM Fixes: 41595/clusterfuzz-testcase-minimized-ffmpeg_dem_FOURXM_fuzzer-6355979363549184 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> (cherry picked from commit 0dcd95ef8a2e16ed930296567ab1044e33602a34) Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0bcd3550a4ddc441aae04fedfe2d80918be705ed --- libavformat/4xm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavformat/4xm.c b/libavformat/4xm.c index 9880060f84..7afdf252c5 100644 --- a/libavformat/4xm.c +++ b/libavformat/4xm.c @@ -136,7 +136,8 @@ static int parse_strk(AVFormatContext *s, return AVERROR_INVALIDDATA; track = AV_RL32(buf + 8); - if ((unsigned)track >= UINT_MAX / sizeof(AudioTrack) - 1) { + if ((unsigned)track >= UINT_MAX / sizeof(AudioTrack) - 1 || + track >= s->max_streams) { av_log(s, AV_LOG_ERROR, "current_track too large\n"); return AVERROR_INVALIDDATA; } _______________________________________________ ffmpeg-cvslog mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
