Re: INFO: rcu detected stall in bitmap_parselist

2018-04-04 Thread Yury Norov
On Thu, Apr 05, 2018 at 12:58:46AM +0900, Tetsuo Handa wrote: > Yury Norov wrote: > > Hi Tetsuo, > > > > Thanks for the patch. > > > > On Wed, Apr 04, 2018 at 09:21:43PM +0900, Tetsuo Handa wrote: > > > Yury, are you OK with this patch? > > > > > > > > > >From

Re: INFO: rcu detected stall in bitmap_parselist

2018-04-04 Thread Yury Norov
On Thu, Apr 05, 2018 at 12:58:46AM +0900, Tetsuo Handa wrote: > Yury Norov wrote: > > Hi Tetsuo, > > > > Thanks for the patch. > > > > On Wed, Apr 04, 2018 at 09:21:43PM +0900, Tetsuo Handa wrote: > > > Yury, are you OK with this patch? > > > > > > > > > >From

Re: INFO: rcu detected stall in bitmap_parselist

2018-04-04 Thread Tetsuo Handa
Yury Norov wrote: > Hi Tetsuo, > > Thanks for the patch. > > On Wed, Apr 04, 2018 at 09:21:43PM +0900, Tetsuo Handa wrote: > > Yury, are you OK with this patch? > > > > > > >From 7f21827cdfe9780b4949b22bcd19efa721b463d2 Mon Sep 17 00:00:00 2001 > > From: Tetsuo Handa

Re: INFO: rcu detected stall in bitmap_parselist

2018-04-04 Thread Tetsuo Handa
Yury Norov wrote: > Hi Tetsuo, > > Thanks for the patch. > > On Wed, Apr 04, 2018 at 09:21:43PM +0900, Tetsuo Handa wrote: > > Yury, are you OK with this patch? > > > > > > >From 7f21827cdfe9780b4949b22bcd19efa721b463d2 Mon Sep 17 00:00:00 2001 > > From: Tetsuo Handa > > Date: Wed, 4 Apr 2018

Re: INFO: rcu detected stall in bitmap_parselist

2018-04-04 Thread Yury Norov
Hi Tetsuo, Thanks for the patch. On Wed, Apr 04, 2018 at 09:21:43PM +0900, Tetsuo Handa wrote: > Yury, are you OK with this patch? > > > >From 7f21827cdfe9780b4949b22bcd19efa721b463d2 Mon Sep 17 00:00:00 2001 > From: Tetsuo Handa > Date: Wed, 4 Apr 2018

Re: INFO: rcu detected stall in bitmap_parselist

2018-04-04 Thread Yury Norov
Hi Tetsuo, Thanks for the patch. On Wed, Apr 04, 2018 at 09:21:43PM +0900, Tetsuo Handa wrote: > Yury, are you OK with this patch? > > > >From 7f21827cdfe9780b4949b22bcd19efa721b463d2 Mon Sep 17 00:00:00 2001 > From: Tetsuo Handa > Date: Wed, 4 Apr 2018 21:12:10 +0900 > Subject: [PATCH]

Re: INFO: rcu detected stall in bitmap_parselist

2018-04-04 Thread Tetsuo Handa
Yury, are you OK with this patch? >From 7f21827cdfe9780b4949b22bcd19efa721b463d2 Mon Sep 17 00:00:00 2001 From: Tetsuo Handa Date: Wed, 4 Apr 2018 21:12:10 +0900 Subject: [PATCH] lib/bitmap: Rewrite __bitmap_parselist(). syzbot is catching stalls at

Re: INFO: rcu detected stall in bitmap_parselist

2018-04-04 Thread Tetsuo Handa
Yury, are you OK with this patch? >From 7f21827cdfe9780b4949b22bcd19efa721b463d2 Mon Sep 17 00:00:00 2001 From: Tetsuo Handa Date: Wed, 4 Apr 2018 21:12:10 +0900 Subject: [PATCH] lib/bitmap: Rewrite __bitmap_parselist(). syzbot is catching stalls at __bitmap_parselist() [1]. The trigger is

INFO: rcu detected stall in bitmap_parselist

2018-04-01 Thread syzbot
Hello, syzbot hit the following crash on upstream commit 3eb2ce825ea1ad89d20f7a3b5780df850e4be274 (Sun Mar 25 22:44:30 2018 +) Linux 4.16-rc7 syzbot dashboard link: https://syzkaller.appspot.com/bug?extid=6887cbb011c8054e8a3d So far this crash happened 3 times on upstream. Unfortunately,

INFO: rcu detected stall in bitmap_parselist

2018-04-01 Thread syzbot
Hello, syzbot hit the following crash on upstream commit 3eb2ce825ea1ad89d20f7a3b5780df850e4be274 (Sun Mar 25 22:44:30 2018 +) Linux 4.16-rc7 syzbot dashboard link: https://syzkaller.appspot.com/bug?extid=6887cbb011c8054e8a3d So far this crash happened 3 times on upstream. Unfortunately,