Re: [FFmpeg-devel] [PATCH 4/4] avformat/mov: do not set sign bit for chunk_offsets

On Sat, Dec 16, 2023 at 01:16:19PM +0100, Michael Niedermayer wrote: > Fixes: signed integer overflow: 2314885530818453536 - -7412889664301817824 > cannot be represented in type 'long' > Fixes: > 64296/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-6304027146846208 > > Found-by:

[FFmpeg-devel] [PATCH 4/4] avformat/mov: do not set sign bit for chunk_offsets

Fixes: signed integer overflow: 2314885530818453536 - -7412889664301817824 cannot be represented in type 'long' Fixes: 64296/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-6304027146846208 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg