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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-07-25 23:14:10 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-09-29 00:43:26 +0200 |
| commit | 165d6b876b602ec0f6122867b281b8dd6a5f8a5f (patch) | |
| tree | 3c9342fa9ceb8052609c9359ce00996d7a05d361 /libavcodec/pgxdec.c | |
| parent | 4106013523f46824d32fd5b469ea264fbdfdb591 (diff) | |
avcodec/pgxdec: Fix invalid shift in write_frame_*
Fixes: left shift of negative value -121
Fixes: 23911/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PGX_fuzzer-4986800258154496
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/pgxdec.c')
| -rw-r--r-- | libavcodec/pgxdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/pgxdec.c b/libavcodec/pgxdec.c index a72d6fe6fe..150f8bbf66 100644 --- a/libavcodec/pgxdec.c +++ b/libavcodec/pgxdec.c @@ -102,7 +102,7 @@ error: for (i = 0; i < height; i++) { \ PIXEL *line = (PIXEL*)frame->data[0] + i*frame->linesize[0]/sizeof(PIXEL); \ for (j = 0; j < width; j++) { \ - int val; \ + unsigned val; \ if (sign) \ val = (PIXEL)bytestream2_get_ ##suffix(g) + (1 << (depth - 1)); \ else \ |