Re: kernel BUG at include/linux/swapops.h:LINE!

2020-07-29 Thread Matthew Wilcox
On Wed, Jul 29, 2020 at 08:54:32PM +0100, Matthew Wilcox wrote: > On Wed, Jul 29, 2020 at 10:21:51PM +0300, Kirill A. Shutemov wrote: > > On Mon, Jul 27, 2020 at 01:03:10PM +0100, Matthew Wilcox wrote: > > > > It would be interesting to know if the migration entires ever got > > > > removed > > >

Re: kernel BUG at include/linux/swapops.h:LINE!

2020-07-29 Thread Matthew Wilcox
On Wed, Jul 29, 2020 at 10:21:51PM +0300, Kirill A. Shutemov wrote: > On Mon, Jul 27, 2020 at 01:03:10PM +0100, Matthew Wilcox wrote: > > > It would be interesting to know if the migration entires ever got removed > > > for pfn. I mean if remove_migration_pte() got called for it. > > > > > > It

Re: kernel BUG at include/linux/swapops.h:LINE!

2020-07-29 Thread Kirill A. Shutemov
On Mon, Jul 27, 2020 at 01:03:10PM +0100, Matthew Wilcox wrote: > On Mon, Jul 27, 2020 at 01:31:40PM +0300, Kirill A. Shutemov wrote: > > On Sun, Jul 26, 2020 at 05:49:04PM +0100, Matthew Wilcox wrote: > > > On Fri, Jul 24, 2020 at 02:13:11PM +0300, Kirill A. Shutemov wrote: > > > > On Thu, Jul

Re: kernel BUG at include/linux/swapops.h:LINE!

2020-07-27 Thread Matthew Wilcox
On Mon, Jul 27, 2020 at 08:59:50PM +0800, Hillf Danton wrote: > Can you elaborate on the difference between the two dumps? You didn't trim anything, so I have no idea which two dumps you mean. I'll annotate below ... > > > On Sun, Jul 26, 2020 at 05:49:04PM +0100, Matthew Wilcox wrote: > > > >

Re: kernel BUG at include/linux/swapops.h:LINE!

2020-07-27 Thread Matthew Wilcox
On Mon, Jul 27, 2020 at 01:31:40PM +0300, Kirill A. Shutemov wrote: > On Sun, Jul 26, 2020 at 05:49:04PM +0100, Matthew Wilcox wrote: > > On Fri, Jul 24, 2020 at 02:13:11PM +0300, Kirill A. Shutemov wrote: > > > On Thu, Jul 23, 2020 at 03:37:44PM +0800, Hillf Danton wrote: > > > > > > > > On Tue,

Re: kernel BUG at include/linux/swapops.h:LINE!

2020-07-27 Thread Kirill A. Shutemov
On Sun, Jul 26, 2020 at 05:49:04PM +0100, Matthew Wilcox wrote: > On Fri, Jul 24, 2020 at 02:13:11PM +0300, Kirill A. Shutemov wrote: > > On Thu, Jul 23, 2020 at 03:37:44PM +0800, Hillf Danton wrote: > > > > > > On Tue, 21 Jul 2020 14:11:31 +0300 Kirill A. Shutemov wrote: > > > > On Mon, Jul 20,

Re: kernel BUG at include/linux/swapops.h:LINE!

2020-07-26 Thread Matthew Wilcox
On Fri, Jul 24, 2020 at 02:13:11PM +0300, Kirill A. Shutemov wrote: > On Thu, Jul 23, 2020 at 03:37:44PM +0800, Hillf Danton wrote: > > > > On Tue, 21 Jul 2020 14:11:31 +0300 Kirill A. Shutemov wrote: > > > On Mon, Jul 20, 2020 at 04:51:44PM -0700, Andrew Morton wrote: > > > > On Sun, 19 Jul 2020

Re: kernel BUG at include/linux/swapops.h:LINE!

2020-07-24 Thread Kirill A. Shutemov
On Thu, Jul 23, 2020 at 03:37:44PM +0800, Hillf Danton wrote: > > On Tue, 21 Jul 2020 14:11:31 +0300 Kirill A. Shutemov wrote: > > On Mon, Jul 20, 2020 at 04:51:44PM -0700, Andrew Morton wrote: > > > On Sun, 19 Jul 2020 14:10:19 -0700 syzbot wrote: > > > > > > > syzbot has found a reproducer for

Re: kernel BUG at include/linux/swapops.h:LINE!

2020-07-21 Thread Jens Axboe
On 7/21/20 5:11 AM, Kirill A. Shutemov wrote: > On Mon, Jul 20, 2020 at 04:51:44PM -0700, Andrew Morton wrote: >> On Sun, 19 Jul 2020 14:10:19 -0700 syzbot >> wrote: >> >>> syzbot has found a reproducer for the following issue on: >>> >>> HEAD commit:4c43049f Add linux-next specific files

Re: kernel BUG at include/linux/swapops.h:LINE!

2020-07-21 Thread Kirill A. Shutemov
On Mon, Jul 20, 2020 at 04:51:44PM -0700, Andrew Morton wrote: > On Sun, 19 Jul 2020 14:10:19 -0700 syzbot > wrote: > > > syzbot has found a reproducer for the following issue on: > > > > HEAD commit:4c43049f Add linux-next specific files for 20200716 > > git tree: linux-next > >

Re: kernel BUG at include/linux/swapops.h:LINE!

2020-07-20 Thread Matthew Wilcox
On Tue, Jul 21, 2020 at 01:21:47AM +0100, Matthew Wilcox wrote: > On Mon, Jul 20, 2020 at 04:51:44PM -0700, Andrew Morton wrote: > > On Sun, 19 Jul 2020 14:10:19 -0700 syzbot > > wrote: > > > > > syzbot has found a reproducer for the following issue on: > > > > > > HEAD commit:4c43049f Add

Re: kernel BUG at include/linux/swapops.h:LINE!

2020-07-20 Thread Matthew Wilcox
On Mon, Jul 20, 2020 at 04:51:44PM -0700, Andrew Morton wrote: > On Sun, 19 Jul 2020 14:10:19 -0700 syzbot > wrote: > > > syzbot has found a reproducer for the following issue on: > > > > HEAD commit:4c43049f Add linux-next specific files for 20200716 > > git tree: linux-next > >

Re: kernel BUG at include/linux/swapops.h:LINE!

2020-07-20 Thread Andrew Morton
On Sun, 19 Jul 2020 14:10:19 -0700 syzbot wrote: > syzbot has found a reproducer for the following issue on: > > HEAD commit:4c43049f Add linux-next specific files for 20200716 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=12c5608710 > kernel

Re: kernel BUG at include/linux/swapops.h:LINE!

2020-07-19 Thread syzbot
syzbot has found a reproducer for the following issue on: HEAD commit:4c43049f Add linux-next specific files for 20200716 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=12c5608710 kernel config:

kernel BUG at include/linux/swapops.h:LINE!

2020-05-30 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:9cb1fd0e Linux 5.7-rc7 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1788a54a10 kernel config: https://syzkaller.appspot.com/x/.config?x=cca7550d53ffa599 dashboard link: