From 15ccaa344c4f645ae791aafecdef3d886e196127 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 20 Feb 2017 13:42:33 +0100 Subject: avcodec/mpegaudiodec: Eliminate many undefined operations Fixes: 625/clusterfuzz-testcase-4574924406521856 Fixes: 626/clusterfuzz-testcase-4738718621499392 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/mpegaudiodec_template.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'libavcodec/mpegaudiodec_template.c') diff --git a/libavcodec/mpegaudiodec_template.c b/libavcodec/mpegaudiodec_template.c index 53c09edced..2fc01560fa 100644 --- a/libavcodec/mpegaudiodec_template.c +++ b/libavcodec/mpegaudiodec_template.c @@ -1182,9 +1182,9 @@ found2: } while (0) #else #define AA(j) do { \ - int tmp0 = ptr[-1-j]; \ - int tmp1 = ptr[ j]; \ - int tmp2 = MULH(tmp0 + tmp1, csa_table[j][0]); \ + SUINT tmp0 = ptr[-1-j]; \ + SUINT tmp1 = ptr[ j]; \ + SUINT tmp2 = MULH(tmp0 + tmp1, csa_table[j][0]); \ ptr[-1-j] = 4 * (tmp2 - MULH(tmp1, csa_table[j][2])); \ ptr[ j] = 4 * (tmp2 + MULH(tmp0, csa_table[j][3])); \ } while (0) -- cgit v1.2.3