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avcodec/aacsbr_fixed: Fix integer overflow in sbr_hf_assemble()

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Fixes: runtime error: signed integer overflow: 2052929346 + 204817098 cannot be represented in type 'int'

This was missed in b1bef755f6
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 <michael@niedermayer.cc>
(cherry picked from commit c837918f50)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2018-04-07 21:55:06 +02:00
parent 23f13130f1
commit 0e5946d5b2
1 changed files with 1 additions and 1 deletions
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libavcodec/aacsbr_fixed.c
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@ -571,7 +571,7 @@ static void sbr_hf_assemble(int Y1[38][64][2],
int idx = indexsine&1; int idx = indexsine&1;
int A = (1-((indexsine+(kx & 1))&2)); int A = (1-((indexsine+(kx & 1))&2));
int B = (A^(-idx)) + idx; int B = (A^(-idx)) + idx;
int *out = &Y1[i][kx][idx]; unsigned *out = &Y1[i][kx][idx];
int shift; int shift;
unsigned round; unsigned round;