KASAN: use-after-free Read in vgem_gem_dumb_create

Hello, syzbot found the following crash on: HEAD commit:39bed42d Merge tag 'for-linus-hmm' of git://git.kernel.org.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=179465bee0 kernel config: https://syzkaller.appspot.com/x/.config?x=2646535f8818ae25

Re: KASAN: use-after-free Read in vgem_gem_dumb_create

Fri, 31 Jan 2020 14:28:10 -0800 (PST) > syzbot found the following crash on: > > HEAD commit:39bed42d Merge tag 'for-linus-hmm' of git://git.kernel.org.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=179465bee0 > kernel config:

Re: KASAN: use-after-free Read in vgem_gem_dumb_create

On Sat, 1 Feb 2020 09:17:57 +0300 Dan Carpenter wrote: > On Sat, Feb 01, 2020 at 12:32:09PM +0800, Hillf Danton wrote: > > > > Release obj in error path. > > > > --- a/drivers/gpu/drm/vgem/vgem_drv.c > > +++ b/drivers/gpu/drm/vgem/vgem_drv.c > > @@ -196,10 +196,10 @@ static struct

Re: KASAN: use-after-free Read in vgem_gem_dumb_create

On Sat, Feb 01, 2020 at 05:02:47PM +0800, Hillf Danton wrote: > > On Sat, 1 Feb 2020 09:17:57 +0300 Dan Carpenter wrote: > > On Sat, Feb 01, 2020 at 12:32:09PM +0800, Hillf Danton wrote: > > > > > > Release obj in error path. > > > > > > --- a/drivers/gpu/drm/vgem/vgem_drv.c > > > +++

Re: [Patch v2 3/4] drm/amdkfd: refactor runtime pm for baco

On 1/31/2020 11:21 PM, Zeng, Oak wrote: [AMD Official Use Only - Internal Distribution Only] Patch 1,2,3 work for me. See one comment inline, otherwise Reviewed-by: Oak Zeng Regards, Oak Thanks for the review and testing! My response below. 8< -snip

Re: KASAN: use-after-free Read in vgem_gem_dumb_create

On Sat, Feb 01, 2020 at 12:32:09PM +0800, Hillf Danton wrote: > > Fri, 31 Jan 2020 14:28:10 -0800 (PST) > > syzbot found the following crash on: > > > > HEAD commit:39bed42d Merge tag 'for-linus-hmm' of git://git.kernel.org.. > > git tree: upstream > > console output: