| Message ID | 20210731174844.16646-1-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | 8f2856a1daa4e3d5767b6efe7a70ec86926dba47 |
| Headers | show |
| Series | [FFmpeg-devel,1/3] avcodec/sbrdsp_fixed: Fix negation overflow in sbr_neg_odd_64_c() | expand |
| Context | Check | Description |
|---|---|---|
| andriy/x86_make | success | Make finished |
| andriy/x86_make_fate | success | Make fate finished |
| andriy/PPC64_make | success | Make finished |
| andriy/PPC64_make_fate | success | Make fate finished |
On Sat, Jul 31, 2021 at 07:48:42PM +0200, Michael Niedermayer wrote: > Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself > Fixes: 35593/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5182217725804544 > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavcodec/sbrdsp_fixed.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) will apply patchset [...]
diff --git a/libavcodec/sbrdsp_fixed.c b/libavcodec/sbrdsp_fixed.c index 91fa664c08..43fcc90ae5 100644 --- a/libavcodec/sbrdsp_fixed.c +++ b/libavcodec/sbrdsp_fixed.c @@ -87,7 +87,7 @@ static void sbr_neg_odd_64_c(int *x) { int i; for (i = 1; i < 64; i += 2) - x[i] = -x[i]; + x[i] = -(unsigned)x[i]; } static void sbr_qmf_pre_shuffle_c(int *z)
Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself Fixes: 35593/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5182217725804544 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/sbrdsp_fixed.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)