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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-06-07 22:56:12 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-06-21 18:28:00 +0200 |
| commit | 8c6c2747bc85afcf97de855d6e86a12ff9ffc0bd (patch) | |
| tree | 07a0e57e09a2d3d55d7943b25a5624d3f728e032 | |
| parent | 06a90cc78385d87b346be23efc9081eb08936c18 (diff) | |
avformat/vividas: Fix invalid shift in decode_key()
Fixes: left shift of 1 by 31 places cannot be represented in type 'int'
Fixes: 15118/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5740230004441088
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/vividas.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/vividas.c b/libavformat/vividas.c index c99cbd1f6e..5e303b9c52 100644 --- a/libavformat/vividas.c +++ b/libavformat/vividas.c @@ -91,7 +91,7 @@ static uint32_t decode_key(uint8_t *buf) for (int i = 0; i < 32; i++) { unsigned p = keybits[i]; - key |= !!(buf[p>>3] & (1<<(p&7))) << i; + key |= (unsigned)!!(buf[p>>3] & (1<<(p&7))) << i; } return key; |