| Message ID | 20180614151518.3950-2-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | aa41d322be71106ce147445f2b42bb763f1eff86 |
| Headers | show |
diff --git a/libavutil/common.h b/libavutil/common.h index 0fffa67714..8db0291170 100644 --- a/libavutil/common.h +++ b/libavutil/common.h @@ -228,7 +228,7 @@ static av_always_inline av_const int av_clip_intp2_c(int a, int p) */ static av_always_inline av_const unsigned av_clip_uintp2_c(int a, int p) { - if (a & ~((1<<p) - 1)) return -a >> 31 & ((1<<p) - 1); + if (a & ~((1<<p) - 1)) return (~a) >> 31 & ((1<<p) - 1); else return a; }
Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself Fixes: 8521/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5639024952737792 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavutil/common.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)