diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-05-02 01:51:12 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-07-13 00:11:11 +0300 |
| commit | 3f9e48f8e6bb0607a2a37004f8833be25e4c50be (patch) | |
| tree | 91a8c1e9c15170799c0218f7069aa4efd3ba5528 | |
| parent | aed958c060e58fc8866bb4f5ddd6087e663bd462 (diff) | |
avcodec/sbrdsp_fixed: Fix integer overflows in sbr_qmf_deint_neg_c()
Fixes: signed integer overflow: 2147483645 + 16 cannot be represented in type 'int'
Fixes: 46993/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-4759025234870272
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 1537f40516d625fc5fa57db4fdfb737312fbc500)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/sbrdsp_fixed.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/sbrdsp_fixed.c b/libavcodec/sbrdsp_fixed.c index 43fcc90ae5..0d34a2a710 100644 --- a/libavcodec/sbrdsp_fixed.c +++ b/libavcodec/sbrdsp_fixed.c @@ -114,8 +114,8 @@ static void sbr_qmf_deint_neg_c(int *v, const int *src) { int i; for (i = 0; i < 32; i++) { - v[ i] = ( src[63 - 2*i ] + 0x10) >> 5; - v[63 - i] = (-src[63 - 2*i - 1] + 0x10) >> 5; + v[ i] = (int)(0x10U + src[63 - 2*i ]) >> 5; + v[63 - i] = (int)(0x10U - src[63 - 2*i - 1]) >> 5; } } |