ffmpeg | branch: release/3.3 | Michael Niedermayer <mich...@niedermayer.cc> | Sat Feb 17 04:20:52 2018 +0100| [2a85ead5a374f37bc52d716da9237f4e722dee58] | committer: Michael Niedermayer
avcodec/vp8: Check for bitstream end before vp7_fade_frame() Fixes: Timeout Fixes: 5653/clusterfuzz-testcase-5497680018014208 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 de675648cef7e451ca82fabaee0d8ec1fe653311) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2a85ead5a374f37bc52d716da9237f4e722dee58 --- libavcodec/vp8.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c index 5bf601a8ef..fd036538e0 100644 --- a/libavcodec/vp8.c +++ b/libavcodec/vp8.c @@ -606,6 +606,8 @@ static int vp7_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_si s->fade_present = vp8_rac_get(c); } + if (c->end <= c->buffer && c->bits >= 0) + return AVERROR_INVALIDDATA; /* E. Fading information for previous frame */ if (s->fade_present && vp8_rac_get(c)) { if ((ret = vp7_fade_frame(s ,c)) < 0) _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
