ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Tue Apr 2 20:27:13 2019 +0200| [caa9b4ff89c00591a0730d2cc5db8693da8dffba] | committer: Michael Niedermayer
avcodec/agm: Check that there is available input in read_code() Fixes: Timeout (46sec -> 7ms) Fixes: 14030/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AGM_fuzzer-5721258760601600 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=caa9b4ff89c00591a0730d2cc5db8693da8dffba --- libavcodec/agm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/agm.c b/libavcodec/agm.c index 7dcfaff4ad..332e33897c 100644 --- a/libavcodec/agm.c +++ b/libavcodec/agm.c @@ -103,6 +103,9 @@ static int read_code(GetBitContext *gb, int *oskip, int *level, int *map, int mo { int len = 0, skip = 0, max; + if (get_bits_left(gb) < 2) + return AVERROR_INVALIDDATA; + if (show_bits(gb, 2)) { switch (show_bits(gb, 4)) { case 1: _______________________________________________ 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".
