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authorMichael Niedermayer <michael@niedermayer.cc>2017-05-23 14:34:00 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2017-05-23 16:11:27 +0200
commit948b54763b6c851b2a0bec6702cd9c419065fdb6 (patch)
tree9beb4781a678e6af260146ab129bdda539058b54
parent620b452a118a6a2345addb4e1d8abf36ad8d1bab (diff)
downloadffmpeg-948b54763b6c851b2a0bec6702cd9c419065fdb6.tar.gz
avcodec/lagarith: Fix runtime error: left shift of 1 by 31 places cannot be represented in type 'int'
Fixes: 1764/clusterfuzz-testcase-minimized-5394243164045312 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--libavcodec/lagarith.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/lagarith.c b/libavcodec/lagarith.c
index 1f4afc5312..860381746d 100644
--- a/libavcodec/lagarith.c
+++ b/libavcodec/lagarith.c
@@ -91,7 +91,7 @@ static uint32_t softfloat_mul(uint32_t x, uint64_t mantissa)
uint64_t h = x * (mantissa >> 32);
h += l >> 32;
l &= 0xffffffff;
- l += 1 << av_log2(h >> 21);
+ l += 1LL << av_log2(h >> 21);
h += l >> 32;
return h >> 20;
}