From 25c81e4b737bcc737b13c9a752cb301a28cb3906 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 18 May 2017 02:07:17 +0200 Subject: avcodec/mlpdec: Fix: runtime error: left shift of negative value -8 Fixes: 1658/clusterfuzz-testcase-minimized-4889937130291200 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/mlpdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libavcodec/mlpdec.c') diff --git a/libavcodec/mlpdec.c b/libavcodec/mlpdec.c index eaf1aa7c75..5426712007 100644 --- a/libavcodec/mlpdec.c +++ b/libavcodec/mlpdec.c @@ -759,7 +759,7 @@ static int read_matrix_params(MLPDecodeContext *m, unsigned int substr, GetBitCo if (get_bits1(gbp)) coeff_val = get_sbits(gbp, frac_bits + 2); - s->matrix_coeff[mat][ch] = coeff_val << (14 - frac_bits); + s->matrix_coeff[mat][ch] = coeff_val * (1 << (14 - frac_bits)); } if (s->noise_type) -- cgit v1.2.3