ffmpeg | branch: release/3.4 | Michael Niedermayer <mich...@niedermayer.cc> | Mon Feb 25 13:26:25 2019 +0100| [7cc9a207919f4ddda55501d2a05fc410ec6c04f8] | committer: Michael Niedermayer
avcodec/aic: Check remaining bits in aic_decode_coeffs() Fixes: Timeout (78 seconds -> 2 seconds) Fixes: 13186/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AIC_fuzzer-5639516533030912 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 951bb7632fe6e3bb1a9c3b47610705871e471f34) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7cc9a207919f4ddda55501d2a05fc410ec6c04f8 --- libavcodec/aic.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/aic.c b/libavcodec/aic.c index 67d78c5ddd..77f342e6d6 100644 --- a/libavcodec/aic.c +++ b/libavcodec/aic.c @@ -208,6 +208,9 @@ static int aic_decode_coeffs(GetBitContext *gb, int16_t *dst, int mb, idx; unsigned val; + if (get_bits_left(gb) < 5) + return AVERROR_INVALIDDATA; + has_skips = get_bits1(gb); coeff_type = get_bits1(gb); coeff_bits = get_bits(gb, 3); _______________________________________________ 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".
