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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-09-25 21:48:26 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-09-26 21:02:34 +0200 |
| commit | c5a52eb5cd5613cfede81648a58cd95088d0a3a7 (patch) | |
| tree | 860cb1b55802c07cdf2f18417e9a12c72f8998fc | |
| parent | 2acbbe262325187d87e8881c2984d203fb54207e (diff) | |
| download | ffmpeg-c5a52eb5cd5613cfede81648a58cd95088d0a3a7.tar.gz | |
avcodec/loco: Check for end of input in the first line
Fixes: Timeout (85sec -> 0.1sec)
Fixes: 17634/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LOCO_fuzzer-5666410809786368
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/loco.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/loco.c b/libavcodec/loco.c index d8bf68a100..e891d83ece 100644 --- a/libavcodec/loco.c +++ b/libavcodec/loco.c @@ -155,6 +155,8 @@ static int loco_decode_plane(LOCOContext *l, uint8_t *data, int width, int heigh /* restore top line */ for (i = 1; i < width; i++) { val = loco_get_rice(&rc); + if (val == INT_MIN) + return AVERROR_INVALIDDATA; data[i] = data[i - 1] + val; } data += stride; |