diff options
| author | Michael Niedermayer <[email protected]> | 2019-08-12 21:17:04 +0200 |
|---|---|---|
| committer | Michael Niedermayer <[email protected]> | 2020-07-01 12:11:55 +0200 |
| commit | adfd49ee987817a485433b26416abfb1233b1b5d (patch) | |
| tree | 893a5a5f85536df85d1820cdca7cfdcc0718366e | |
| parent | 43bdd56a8c4cb0bac7f9794cb579818ef75e0a8b (diff) | |
avcodec/loco: Check left column value
Fixes: Timeout (42sec -> 379 ms)
Fixes: 16323/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LOCO_fuzzer-5679178099195904
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <[email protected]>
Signed-off-by: Michael Niedermayer <[email protected]>
(cherry picked from commit c812db814ebd603106220854e343558ec1115e57)
Signed-off-by: Michael Niedermayer <[email protected]>
| -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 9a309fd063..e3746c8317 100644 --- a/libavcodec/loco.c +++ b/libavcodec/loco.c @@ -159,6 +159,8 @@ static int loco_decode_plane(LOCOContext *l, uint8_t *data, int width, int heigh for (j = 1; j < height; j++) { /* restore left column */ val = loco_get_rice(&rc); + if (val == INT_MIN) + return AVERROR_INVALIDDATA; data[0] = data[-stride] + val; /* restore all other pixels */ for (i = 1; i < width; i++) { |