ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Tue Mar 9 21:39:30 2021 +0100| [b87781649e2862d07fcb8d322289d89b47a530b6] | committer: Michael Niedermayer
avcodec/4xm: Check pre_gb in decode_i_block() Fixes: Timeout Fixes: 31257/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5150866229297152 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b87781649e2862d07fcb8d322289d89b47a530b6 --- libavcodec/4xm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/4xm.c b/libavcodec/4xm.c index 4d58b093f7..cbd8637763 100644 --- a/libavcodec/4xm.c +++ b/libavcodec/4xm.c @@ -499,8 +499,8 @@ static int decode_i_block(FourXContext *f, int16_t *block) { int code, i, j, level, val; - if (get_bits_left(&f->gb) < 2){ - av_log(f->avctx, AV_LOG_ERROR, "%d bits left before decode_i_block()\n", get_bits_left(&f->gb)); + if (get_bits_left(&f->pre_gb) < 2) { + av_log(f->avctx, AV_LOG_ERROR, "%d bits left before decode_i_block()\n", get_bits_left(&f->pre_gb)); 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".
