From c837918f50a7bbd6150afd340857ea43fe4717c7 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 7 Apr 2018 21:55:06 +0200 Subject: [PATCH] avcodec/aacsbr_fixed: Fix integer overflow in sbr_hf_assemble() Fixes: runtime error: signed integer overflow: 2052929346 + 204817098 cannot be represented in type 'int' This was missed in b1bef755f617af9685b592d866b3eb7f3c4b02b1 Fixes: 5275/clusterfuzz-testcase-minimized-5367635958038528 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/aacsbr_fixed.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/aacsbr_fixed.c b/libavcodec/aacsbr_fixed.c index eeada0b9f2..59cbba10ff 100644 --- a/libavcodec/aacsbr_fixed.c +++ b/libavcodec/aacsbr_fixed.c @@ -567,7 +567,7 @@ static void sbr_hf_assemble(int Y1[38][64][2], int idx = indexsine&1; int A = (1-((indexsine+(kx & 1))&2)); int B = (A^(-idx)) + idx; - int *out = &Y1[i][kx][idx]; + unsigned *out = &Y1[i][kx][idx]; int shift; unsigned round;