Re: [PATCH v2 1/2] drm/shmem-helper: Remove errant put in error path

2022-12-06 Thread Rob Clark
On Sun, Dec 4, 2022 at 12:45 PM Dmitry Osipenko wrote: > > On 11/30/22 21:57, Rob Clark wrote: > > From: Rob Clark > > > > drm_gem_shmem_mmap() doesn't own this reference, resulting in the GEM > > object getting prematurely freed leading to a later use-after-free. > > > > Link:

Re: [PATCH v2 1/2] drm/shmem-helper: Remove errant put in error path

2022-12-04 Thread Dmitry Osipenko
On 11/30/22 21:57, Rob Clark wrote: > From: Rob Clark > > drm_gem_shmem_mmap() doesn't own this reference, resulting in the GEM > object getting prematurely freed leading to a later use-after-free. > > Link: https://syzkaller.appspot.com/bug?extid=c8ae65286134dd1b800d > Reported-by:

[PATCH v2 1/2] drm/shmem-helper: Remove errant put in error path

2022-11-30 Thread Rob Clark
From: Rob Clark drm_gem_shmem_mmap() doesn't own this reference, resulting in the GEM object getting prematurely freed leading to a later use-after-free. Link: https://syzkaller.appspot.com/bug?extid=c8ae65286134dd1b800d Reported-by: syzbot+c8ae65286134dd1b8...@syzkaller.appspotmail.com Fixes: