Re: [FFmpeg-devel] [PATCH 2/3] avcodec/iff: Check ham vs bpp

2019-07-08 Thread Michael Niedermayer
On Sun, Jun 23, 2019 at 10:45:56AM +0200, Michael Niedermayer wrote: > On Sun, Jun 23, 2019 at 06:33:02PM +1000, Peter Ross wrote: > > On Sun, Jun 23, 2019 at 12:30:54AM +0200, Michael Niedermayer wrote: > > > This checks the ham value much stricter and avoids hitting cases which > > > cannot be r

Re: [FFmpeg-devel] [PATCH 2/3] avcodec/iff: Check ham vs bpp

2019-06-23 Thread Michael Niedermayer
On Sun, Jun 23, 2019 at 06:33:02PM +1000, Peter Ross wrote: > On Sun, Jun 23, 2019 at 12:30:54AM +0200, Michael Niedermayer wrote: > > This checks the ham value much stricter and avoids hitting cases which > > cannot be reached > > with data from the libavformat demuxer. > > > > Fixes: out of arr

Re: [FFmpeg-devel] [PATCH 2/3] avcodec/iff: Check ham vs bpp

2019-06-23 Thread Peter Ross
On Sun, Jun 23, 2019 at 12:30:54AM +0200, Michael Niedermayer wrote: > This checks the ham value much stricter and avoids hitting cases which cannot > be reached > with data from the libavformat demuxer. > > Fixes: out of array access > Fixes: > 15320/clusterfuzz-testcase-minimized-ffmpeg_AV_COD

[FFmpeg-devel] [PATCH 2/3] avcodec/iff: Check ham vs bpp

2019-06-22 Thread Michael Niedermayer
This checks the ham value much stricter and avoids hitting cases which cannot be reached with data from the libavformat demuxer. Fixes: out of array access Fixes: 15320/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5080476840099840 Fixes: 15423/clusterfuzz-testcase-minimized