Re: [FFmpeg-devel] [PATCH 1/4] avcodec/jpeg2000dec: Check image offset

2023-10-26 Thread Michael Niedermayer
On Wed, Oct 25, 2023 at 09:20:09PM +0200, Tomas Härdin wrote: > On Thu, 2023-10-05 at 00:59 +0200, Michael Niedermayer wrote: > > Fixes: left shift of negative value -538967841 > > Fixes: 62447/clusterfuzz-testcase-minimized- > > ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-6427134337613824 > > > > Found-by

Re: [FFmpeg-devel] [PATCH 1/4] avcodec/jpeg2000dec: Check image offset

2023-10-25 Thread Tomas Härdin
On Thu, 2023-10-05 at 00:59 +0200, Michael Niedermayer wrote: > Fixes: left shift of negative value -538967841 > Fixes: 62447/clusterfuzz-testcase-minimized- > ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-6427134337613824 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/mas

[FFmpeg-devel] [PATCH 1/4] avcodec/jpeg2000dec: Check image offset

2023-10-04 Thread Michael Niedermayer
Fixes: left shift of negative value -538967841 Fixes: 62447/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-6427134337613824 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/j