From c04aa148824f4fb7f4b70830ad3ca7a6cba8ab79 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 7 May 2017 15:40:07 +0200 Subject: [PATCH] avcodec/g726: Fix runtime error: left shift of negative value -2 Fixes: 1393/clusterfuzz-testcase-minimized-5948366791901184 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/g726.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/g726.c b/libavcodec/g726.c index ca7f856eac..6922b40f87 100644 --- a/libavcodec/g726.c +++ b/libavcodec/g726.c @@ -269,7 +269,7 @@ static int16_t g726_decode(G726Context* c, int I) c->se += mult(i2f(c->a[i] >> 2, &f), &c->sr[i]); c->se >>= 1; - return av_clip(re_signal << 2, -0xffff, 0xffff); + return av_clip(re_signal * 4, -0xffff, 0xffff); } static av_cold int g726_reset(G726Context *c)