From 16d6cc2168b66c75a5dfe772d778360c2c8f3f5a Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 9 Jun 2017 13:49:30 +0200 Subject: avcodec/wavpack: Change wp_log2() to unsigned Fixes: runtime error: signed integer overflow: 2143315325 + 4186162 cannot be represented in type 'int' Fixes: 2134/clusterfuzz-testcase-minimized-4619258405322752 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/wavpack.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libavcodec/wavpack.h') diff --git a/libavcodec/wavpack.h b/libavcodec/wavpack.h index 053b1c575d..3ae601f914 100644 --- a/libavcodec/wavpack.h +++ b/libavcodec/wavpack.h @@ -177,7 +177,7 @@ static av_always_inline int wp_exp2(int16_t val) return neg ? -res : res; } -static av_always_inline int wp_log2(int32_t val) +static av_always_inline int wp_log2(uint32_t val) { int bits; -- cgit v1.2.3