| Message ID | 20200202215202.16736-1-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | abb5762e985f4ce34e97c1b2fa6d1108ce8a881f |
| Headers | show |
| Series | [FFmpeg-devel,1/2] avcodec/audiodsp: Fix integer overflow in scalarproduct_int16_c() | expand |
| Context | Check | Description |
|---|---|---|
| andriy/ffmpeg-patchwork | success | Make fate finished |
On Sun, Feb 02, 2020 at 10:52:01PM +0100, Michael Niedermayer wrote: > Fixes: signed integer overflow: 2145417478 + 76702564 cannot be represented in type 'int' > Fixes: 20313/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RA_144_fuzzer-5734487724130304 > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavcodec/audiodsp.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) will apply [...]
diff --git a/libavcodec/audiodsp.c b/libavcodec/audiodsp.c index 3c7a3a7583..efcb0a8e8a 100644 --- a/libavcodec/audiodsp.c +++ b/libavcodec/audiodsp.c @@ -79,7 +79,7 @@ static void vector_clipf_c(float *dst, const float *src, int len, static int32_t scalarproduct_int16_c(const int16_t *v1, const int16_t *v2, int order) { - int res = 0; + unsigned res = 0; while (order--) res += *v1++ **v2++;
Fixes: signed integer overflow: 2145417478 + 76702564 cannot be represented in type 'int' Fixes: 20313/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RA_144_fuzzer-5734487724130304 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/audiodsp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)