Re: [PATCH 4.14 000/246] 4.14.60-stable review

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On Thu, Aug 02, 2018 at 12:09:46PM -0700, Guenter Roeck wrote:
> On Thu, Aug 02, 2018 at 11:25:17AM -0700, Guenter Roeck wrote:
> > On Thu, Aug 02, 2018 at 08:43:25AM -0700, Guenter Roeck wrote:
> > > On Wed, Aug 01, 2018 at 06:48:30PM +0200, Greg Kroah-Hartman wrote:
> > > > This is the start of the stable review cycle for the 4.14.60 release.
> > > > There are 246 patches in this series, all will be posted as a response
> > > > to this one.  If anyone has any issues with these being applied, please
> > > > let me know.
> > > > 
> > > > Responses should be made by Fri Aug  3 16:49:18 UTC 2018.
> > > > Anything received after that time might be too late.
> > > > 
> > > 
> > > Build results:
> > > 	total: 148 pass: 148 fail: 0
> > > Qemu test results:
> > > 	total: 198 pass: 198 fail: 0
> > > 
> > > Details are available at http://kerneltests.org/builders/.
> > > 
> > 
> > I spoke too early. parisc images crash after adding some configuration
> > options. I don't see the crash with v4.14.59. I'll send another update
> > later after figuring out what is going on.
> > 
> 
> The patch causing the problem is commit 27608f359da88eaf ("fasync: Fix deadlock
> between task-context and interrupt-context kill_fasync()"), see bisect log
> below.
> 
> Kernel log message is as follows.
> 
> PDC_CHASSIS: Fault (1), CHASSIS  0
> Backtrace:
>  [<10267738>] dput.part.5+0x1dc/0x1f0
>  [<1026776c>] dput+0x20/0x30
>  [<1024f79c>] __fput+0x14c/0x230
>  [<1024f8e4>] ____fput+0x18/0x28
>  [<1019abe0>] task_work_run+0xa4/0xd8
>  [<1016d044>] do_notify_resume+0x7c/0x84
>  [<1015c258>] syscall_do_signal+0x50/0x9c
> 
> The problem only affects v4.14.60-rc1; all other stable releases and release
> candidates are fine.

That is really odd as that commit is also in the 4.17 and 4.9 -rc
releases.

I'll go drop it from all queues just to be safe, odds are something in
that backport isn't correct.

thanks for the testing and bisection, much appreciated.

greg k-h



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