From c51357d206f2ad58c9d9610cf85b6ea5dd88f501 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 28 May 2017 12:56:25 +0200 Subject: avcodec/wavpack: Fix runtime error: signed integer overflow: -1386217472 * 4 cannot be represented in type 'int' Fixes: 1853/clusterfuzz-testcase-minimized-5471155626442752 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/wavpack.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libavcodec/wavpack.c') diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index 3b3c6b2d16..8c621500b7 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -310,7 +310,7 @@ static float wv_get_value_float(WavpackFrameContext *s, uint32_t *crc, int S) } if (S) { - S *= 1 << s->float_shift; + S *= 1U << s->float_shift; sign = S < 0; if (sign) S = -S; -- cgit v1.2.3