From 58f3469cc6df323ce82456e97cf584cbe70d6895 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 23 Feb 2017 15:19:30 +0100 Subject: [PATCH] avcodec/wavpack: Fix 280:22: runtime error: left shift of negative value -1 Fixes: 653/clusterfuzz-testcase-5773837415219200 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/wavpack.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index eeee6a6ae4..ebcdd96508 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -264,7 +264,7 @@ error: static inline int wv_get_value_integer(WavpackFrameContext *s, uint32_t *crc, int S) { - int bit; + unsigned bit; if (s->extra_bits) { S <<= s->extra_bits;