| Message ID | 20220609213741.18029-2-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | 9c5250a5612d4b32d79108de0c03945b2017963e |
| Headers | show |
| Series | [FFmpeg-devel,1/3] avcodec/jpeglsdec: fix end check for xfrm | expand |
| Context | Check | Description |
|---|---|---|
| andriy/make_x86 | success | Make finished |
| andriy/make_fate_x86 | success | Make fate finished |
On Thu, Jun 09, 2022 at 11:37:40PM +0200, Michael Niedermayer wrote: > Fixes: out of array read > Fixes: 47875/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5719393113341952 > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> will apply [...]
diff --git a/libavcodec/hevcdsp_template.c b/libavcodec/hevcdsp_template.c index 56cd9e605d..61425975cd 100644 --- a/libavcodec/hevcdsp_template.c +++ b/libavcodec/hevcdsp_template.c @@ -313,7 +313,7 @@ static void FUNC(sao_band_filter)(uint8_t *_dst, uint8_t *_src, offset_table[(k + sao_left_class) & 31] = sao_offset_val[k + 1]; for (y = 0; y < height; y++) { for (x = 0; x < width; x++) - dst[x] = av_clip_pixel(src[x] + offset_table[src[x] >> shift]); + dst[x] = av_clip_pixel(src[x] + offset_table[(src[x] >> shift) & 31]); dst += stride_dst; src += stride_src; }
Fixes: out of array read Fixes: 47875/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5719393113341952 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/hevcdsp_template.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)