ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Mon Aug 12 21:17:04 2019 +0200| [c812db814ebd603106220854e343558ec1115e57] | committer: Michael Niedermayer
avcodec/loco: Check left column value Fixes: Timeout (42sec -> 379 ms) Fixes: 16323/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LOCO_fuzzer-5679178099195904 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <one...@gmail.com> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c812db814ebd603106220854e343558ec1115e57 --- libavcodec/loco.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/loco.c b/libavcodec/loco.c index 5fb414b411..d8bf68a100 100644 --- a/libavcodec/loco.c +++ b/libavcodec/loco.c @@ -161,6 +161,8 @@ static int loco_decode_plane(LOCOContext *l, uint8_t *data, int width, int heigh for (j = 1; j < height; j++) { /* restore left column */ val = loco_get_rice(&rc); + if (val == INT_MIN) + return AVERROR_INVALIDDATA; data[0] = data[-stride] + val; /* restore all other pixels */ for (i = 1; i < width; i++) { _______________________________________________ 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".
