Re: INFO: task hung in xlog_grant_head_check

2018-06-11 Thread Eric Sandeen
On 6/11/18 8:20 AM, Dmitry Vyukov wrote: > On Wed, May 23, 2018 at 8:01 PM, Eric Sandeen wrote: ... >> As an aside, I wonder how much coverage of the V5 format code syzkaller >> /has/ >> achieved; that would be another useful datapoint google could provide - if >> syzkaller is in fact

Re: INFO: task hung in xlog_grant_head_check

2018-06-11 Thread Eric Sandeen
On 6/11/18 8:20 AM, Dmitry Vyukov wrote: > On Wed, May 23, 2018 at 8:01 PM, Eric Sandeen wrote: ... >> As an aside, I wonder how much coverage of the V5 format code syzkaller >> /has/ >> achieved; that would be another useful datapoint google could provide - if >> syzkaller is in fact

Re: INFO: task hung in xlog_grant_head_check

2018-06-11 Thread Dmitry Vyukov
On Wed, May 23, 2018 at 8:01 PM, Eric Sandeen wrote: > On 5/23/18 11:20 AM, Eric Biggers wrote: > > ... > > > I'd revise that to "have to fix /some/ of them anyway." > > What I'm personally hung up on are the bugs where the "exploit" involves > merely > mounting a crafted filesystem that in

Re: INFO: task hung in xlog_grant_head_check

2018-06-11 Thread Dmitry Vyukov
On Wed, May 23, 2018 at 8:01 PM, Eric Sandeen wrote: > On 5/23/18 11:20 AM, Eric Biggers wrote: > > ... > > > I'd revise that to "have to fix /some/ of them anyway." > > What I'm personally hung up on are the bugs where the "exploit" involves > merely > mounting a crafted filesystem that in

Re: INFO: task hung in xlog_grant_head_check

2018-05-23 Thread Dave Chinner
On Wed, May 23, 2018 at 09:20:15AM -0700, Eric Biggers wrote: > Now, if you *really* don't want syzbot to report XFS bugs as you believe XFS > contains known unfixable bugs or for other reasons, you can formally ask > Dmitry > to remove CONFIG_XFS_FS from the syzbot config. We haven't said "we

Re: INFO: task hung in xlog_grant_head_check

2018-05-23 Thread Dave Chinner
On Wed, May 23, 2018 at 09:20:15AM -0700, Eric Biggers wrote: > Now, if you *really* don't want syzbot to report XFS bugs as you believe XFS > contains known unfixable bugs or for other reasons, you can formally ask > Dmitry > to remove CONFIG_XFS_FS from the syzbot config. We haven't said "we

Re: INFO: task hung in xlog_grant_head_check

2018-05-23 Thread Eric Sandeen
On 5/23/18 11:20 AM, Eric Biggers wrote: Hi Darrick, ... Now, if you *really* don't want syzbot to report XFS bugs as you believe XFS contains known unfixable bugs or for other reasons, you can formally ask Dmitry to remove CONFIG_XFS_FS from the syzbot config. But of course that doesn't

Re: INFO: task hung in xlog_grant_head_check

2018-05-23 Thread Eric Sandeen
On 5/23/18 11:20 AM, Eric Biggers wrote: Hi Darrick, ... Now, if you *really* don't want syzbot to report XFS bugs as you believe XFS contains known unfixable bugs or for other reasons, you can formally ask Dmitry to remove CONFIG_XFS_FS from the syzbot config. But of course that doesn't

Re: INFO: task hung in xlog_grant_head_check

2018-05-23 Thread Eric Biggers
Hi Darrick, On Wed, May 23, 2018 at 12:44:25AM -0700, Darrick J. Wong wrote: > On Tue, May 22, 2018 at 03:52:08PM -0700, Eric Biggers wrote: > > On Wed, May 23, 2018 at 08:26:20AM +1000, Dave Chinner wrote: > > > On Tue, May 22, 2018 at 08:31:08AM -0400, Brian Foster wrote: > > > > On Mon, May

Re: INFO: task hung in xlog_grant_head_check

2018-05-23 Thread Eric Biggers
Hi Darrick, On Wed, May 23, 2018 at 12:44:25AM -0700, Darrick J. Wong wrote: > On Tue, May 22, 2018 at 03:52:08PM -0700, Eric Biggers wrote: > > On Wed, May 23, 2018 at 08:26:20AM +1000, Dave Chinner wrote: > > > On Tue, May 22, 2018 at 08:31:08AM -0400, Brian Foster wrote: > > > > On Mon, May

Re: INFO: task hung in xlog_grant_head_check

2018-05-23 Thread Darrick J. Wong
On Tue, May 22, 2018 at 03:52:08PM -0700, Eric Biggers wrote: > On Wed, May 23, 2018 at 08:26:20AM +1000, Dave Chinner wrote: > > On Tue, May 22, 2018 at 08:31:08AM -0400, Brian Foster wrote: > > > On Mon, May 21, 2018 at 10:55:02AM -0700, syzbot wrote: > > > > Hello, > > > > > > > > syzbot found

Re: INFO: task hung in xlog_grant_head_check

2018-05-23 Thread Darrick J. Wong
On Tue, May 22, 2018 at 03:52:08PM -0700, Eric Biggers wrote: > On Wed, May 23, 2018 at 08:26:20AM +1000, Dave Chinner wrote: > > On Tue, May 22, 2018 at 08:31:08AM -0400, Brian Foster wrote: > > > On Mon, May 21, 2018 at 10:55:02AM -0700, syzbot wrote: > > > > Hello, > > > > > > > > syzbot found

Re: INFO: task hung in xlog_grant_head_check

2018-05-22 Thread Dave Chinner
On Tue, May 22, 2018 at 03:52:08PM -0700, Eric Biggers wrote: > On Wed, May 23, 2018 at 08:26:20AM +1000, Dave Chinner wrote: > > On Tue, May 22, 2018 at 08:31:08AM -0400, Brian Foster wrote: > > > On Mon, May 21, 2018 at 10:55:02AM -0700, syzbot wrote: > > > > Hello, > > > > > > > > syzbot found

Re: INFO: task hung in xlog_grant_head_check

2018-05-22 Thread Dave Chinner
On Tue, May 22, 2018 at 03:52:08PM -0700, Eric Biggers wrote: > On Wed, May 23, 2018 at 08:26:20AM +1000, Dave Chinner wrote: > > On Tue, May 22, 2018 at 08:31:08AM -0400, Brian Foster wrote: > > > On Mon, May 21, 2018 at 10:55:02AM -0700, syzbot wrote: > > > > Hello, > > > > > > > > syzbot found

Re: INFO: task hung in xlog_grant_head_check

2018-05-22 Thread Eric Biggers
On Wed, May 23, 2018 at 08:26:20AM +1000, Dave Chinner wrote: > On Tue, May 22, 2018 at 08:31:08AM -0400, Brian Foster wrote: > > On Mon, May 21, 2018 at 10:55:02AM -0700, syzbot wrote: > > > Hello, > > > > > > syzbot found the following crash on: > > > > > > HEAD commit:203ec2fed17a Merge

Re: INFO: task hung in xlog_grant_head_check

2018-05-22 Thread Eric Biggers
On Wed, May 23, 2018 at 08:26:20AM +1000, Dave Chinner wrote: > On Tue, May 22, 2018 at 08:31:08AM -0400, Brian Foster wrote: > > On Mon, May 21, 2018 at 10:55:02AM -0700, syzbot wrote: > > > Hello, > > > > > > syzbot found the following crash on: > > > > > > HEAD commit:203ec2fed17a Merge

Re: INFO: task hung in xlog_grant_head_check

2018-05-22 Thread Dave Chinner
On Tue, May 22, 2018 at 08:31:08AM -0400, Brian Foster wrote: > On Mon, May 21, 2018 at 10:55:02AM -0700, syzbot wrote: > > Hello, > > > > syzbot found the following crash on: > > > > HEAD commit:203ec2fed17a Merge tag 'armsoc-fixes' of git://git.kernel... > > git tree: upstream > >

Re: INFO: task hung in xlog_grant_head_check

2018-05-22 Thread Dave Chinner
On Tue, May 22, 2018 at 08:31:08AM -0400, Brian Foster wrote: > On Mon, May 21, 2018 at 10:55:02AM -0700, syzbot wrote: > > Hello, > > > > syzbot found the following crash on: > > > > HEAD commit:203ec2fed17a Merge tag 'armsoc-fixes' of git://git.kernel... > > git tree: upstream > >

Re: INFO: task hung in xlog_grant_head_check

2018-05-22 Thread Brian Foster
On Mon, May 21, 2018 at 10:55:02AM -0700, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit:203ec2fed17a Merge tag 'armsoc-fixes' of git://git.kernel... > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=11c1ad7780 >

Re: INFO: task hung in xlog_grant_head_check

2018-05-22 Thread Brian Foster
On Mon, May 21, 2018 at 10:55:02AM -0700, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit:203ec2fed17a Merge tag 'armsoc-fixes' of git://git.kernel... > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=11c1ad7780 >

INFO: task hung in xlog_grant_head_check

2018-05-21 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:203ec2fed17a Merge tag 'armsoc-fixes' of git://git.kernel... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11c1ad7780 kernel config: https://syzkaller.appspot.com/x/.config?x=f3b4e30da84ec1ed

INFO: task hung in xlog_grant_head_check

2018-05-21 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:203ec2fed17a Merge tag 'armsoc-fixes' of git://git.kernel... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11c1ad7780 kernel config: https://syzkaller.appspot.com/x/.config?x=f3b4e30da84ec1ed