Re: KASAN: null-ptr-deref Read in reclaim_high

2019-03-19 Thread Dmitry Vyukov
On Wed, Mar 13, 2019 at 7:16 PM Eric Biggers wrote: > > On Wed, Mar 13, 2019 at 09:24:21AM +0100, 'Dmitry Vyukov' via syzkaller-bugs > wrote: > > On Tue, Mar 12, 2019 at 11:50 PM Eric Biggers wrote: > > > > > > On Tue, Mar 12, 2019 at 09:33:44AM +0100, 'Dmitry Vyukov' via > > > syzkaller-bugs

Re: KASAN: null-ptr-deref Read in reclaim_high

2019-03-13 Thread Eric Biggers
On Wed, Mar 13, 2019 at 09:24:21AM +0100, 'Dmitry Vyukov' via syzkaller-bugs wrote: > On Tue, Mar 12, 2019 at 11:50 PM Eric Biggers wrote: > > > > On Tue, Mar 12, 2019 at 09:33:44AM +0100, 'Dmitry Vyukov' via > > syzkaller-bugs wrote: > > > On Tue, Mar 12, 2019 at 7:25 AM Andrew Morton > > >

Re: KASAN: null-ptr-deref Read in reclaim_high

2019-03-13 Thread Dmitry Vyukov
On Tue, Mar 12, 2019 at 11:50 PM Eric Biggers wrote: > > On Tue, Mar 12, 2019 at 09:33:44AM +0100, 'Dmitry Vyukov' via syzkaller-bugs > wrote: > > On Tue, Mar 12, 2019 at 7:25 AM Andrew Morton > > wrote: > > > > > > On Tue, 12 Mar 2019 07:08:38 +0100 Dmitry Vyukov > > > wrote: > > > > > > >

Re: KASAN: null-ptr-deref Read in reclaim_high

2019-03-13 Thread Dmitry Vyukov
On Tue, Mar 12, 2019 at 11:31 PM Eric Biggers wrote: > > Hi Dmitry, > > On Tue, Mar 12, 2019 at 09:21:09AM +0100, 'Dmitry Vyukov' via syzkaller-bugs > wrote: > > On Tue, Mar 12, 2019 at 7:43 AM Eric Biggers wrote: > > > > > > On Mon, Mar 11, 2019 at 11:25:41PM -0700, Andrew Morton wrote: > > >

Re: KASAN: null-ptr-deref Read in reclaim_high

2019-03-12 Thread Eric Biggers
On Tue, Mar 12, 2019 at 09:33:44AM +0100, 'Dmitry Vyukov' via syzkaller-bugs wrote: > On Tue, Mar 12, 2019 at 7:25 AM Andrew Morton > wrote: > > > > On Tue, 12 Mar 2019 07:08:38 +0100 Dmitry Vyukov wrote: > > > > > On Tue, Mar 12, 2019 at 12:37 AM Andrew Morton > > > wrote: > > > > > > > > On

Re: KASAN: null-ptr-deref Read in reclaim_high

2019-03-12 Thread Eric Biggers
Hi Dmitry, On Tue, Mar 12, 2019 at 09:21:09AM +0100, 'Dmitry Vyukov' via syzkaller-bugs wrote: > On Tue, Mar 12, 2019 at 7:43 AM Eric Biggers wrote: > > > > On Mon, Mar 11, 2019 at 11:25:41PM -0700, Andrew Morton wrote: > > > On Tue, 12 Mar 2019 07:08:38 +0100 Dmitry Vyukov > > > wrote: > > >

Re: KASAN: null-ptr-deref Read in reclaim_high

2019-03-12 Thread Dmitry Vyukov
On Tue, Mar 12, 2019 at 2:46 PM Shakeel Butt wrote: > > On Tue, Mar 12, 2019 at 1:33 AM Dmitry Vyukov wrote: > > > > On Tue, Mar 12, 2019 at 7:25 AM Andrew Morton > > wrote: > > > > > > On Tue, 12 Mar 2019 07:08:38 +0100 Dmitry Vyukov > > > wrote: > > > > > > > On Tue, Mar 12, 2019 at 12:37

Re: KASAN: null-ptr-deref Read in reclaim_high

2019-03-12 Thread Shakeel Butt
On Tue, Mar 12, 2019 at 1:33 AM Dmitry Vyukov wrote: > > On Tue, Mar 12, 2019 at 7:25 AM Andrew Morton > wrote: > > > > On Tue, 12 Mar 2019 07:08:38 +0100 Dmitry Vyukov wrote: > > > > > On Tue, Mar 12, 2019 at 12:37 AM Andrew Morton > > > wrote: > > > > > > > > On Mon, 11 Mar 2019 06:08:01

Re: KASAN: null-ptr-deref Read in reclaim_high

2019-03-12 Thread Dmitry Vyukov
On Tue, Mar 12, 2019 at 7:25 AM Andrew Morton wrote: > > On Tue, 12 Mar 2019 07:08:38 +0100 Dmitry Vyukov wrote: > > > On Tue, Mar 12, 2019 at 12:37 AM Andrew Morton > > wrote: > > > > > > On Mon, 11 Mar 2019 06:08:01 -0700 syzbot > > > wrote: > > > > > > > syzbot has bisected this bug to: >

Re: KASAN: null-ptr-deref Read in reclaim_high

2019-03-12 Thread Dmitry Vyukov
On Tue, Mar 12, 2019 at 7:43 AM Eric Biggers wrote: > > On Mon, Mar 11, 2019 at 11:25:41PM -0700, Andrew Morton wrote: > > On Tue, 12 Mar 2019 07:08:38 +0100 Dmitry Vyukov wrote: > > > > > On Tue, Mar 12, 2019 at 12:37 AM Andrew Morton > > > wrote: > > > > > > > > On Mon, 11 Mar 2019 06:08:01

Re: KASAN: null-ptr-deref Read in reclaim_high

2019-03-12 Thread Eric Biggers
On Mon, Mar 11, 2019 at 11:25:41PM -0700, Andrew Morton wrote: > On Tue, 12 Mar 2019 07:08:38 +0100 Dmitry Vyukov wrote: > > > On Tue, Mar 12, 2019 at 12:37 AM Andrew Morton > > wrote: > > > > > > On Mon, 11 Mar 2019 06:08:01 -0700 syzbot > > > wrote: > > > > > > > syzbot has bisected this

Re: KASAN: null-ptr-deref Read in reclaim_high

2019-03-12 Thread Andrew Morton
On Tue, 12 Mar 2019 07:08:38 +0100 Dmitry Vyukov wrote: > On Tue, Mar 12, 2019 at 12:37 AM Andrew Morton > wrote: > > > > On Mon, 11 Mar 2019 06:08:01 -0700 syzbot > > wrote: > > > > > syzbot has bisected this bug to: > > > > > > commit 29a4b8e275d1f10c51c7891362877ef6cffae9e7 > > > Author:

Re: KASAN: null-ptr-deref Read in reclaim_high

2019-03-12 Thread Dmitry Vyukov
On Tue, Mar 12, 2019 at 12:37 AM Andrew Morton wrote: > > On Mon, 11 Mar 2019 06:08:01 -0700 syzbot > wrote: > > > syzbot has bisected this bug to: > > > > commit 29a4b8e275d1f10c51c7891362877ef6cffae9e7 > > Author: Shakeel Butt > > Date: Wed Jan 9 22:02:21 2019 + > > > > memcg:

Re: KASAN: null-ptr-deref Read in reclaim_high

2019-03-11 Thread Andrew Morton
On Mon, 11 Mar 2019 06:08:01 -0700 syzbot wrote: > syzbot has bisected this bug to: > > commit 29a4b8e275d1f10c51c7891362877ef6cffae9e7 > Author: Shakeel Butt > Date: Wed Jan 9 22:02:21 2019 + > > memcg: schedule high reclaim for remote memcgs on high_work > > bisection log:

KASAN: null-ptr-deref Read in reclaim_high

2019-03-11 Thread syzbot
syzbot has bisected this bug to: commit 29a4b8e275d1f10c51c7891362877ef6cffae9e7 Author: Shakeel Butt Date: Wed Jan 9 22:02:21 2019 + memcg: schedule high reclaim for remote memcgs on high_work bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=155bf5db20 start commit:

KASAN: null-ptr-deref Read in reclaim_high

2019-01-10 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:6cab33afc3dd Add linux-next specific files for 20190110 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=178b287b40 kernel config: https://syzkaller.appspot.com/x/.config?x=611f89e5b6868db