Re: uvm_fault: ip_ctloutput

2018-12-03 Thread Claudio Jeker
On Sun, Dec 02, 2018 at 11:15:03AM +0100, Claudio Jeker wrote: > On Sun, Dec 02, 2018 at 09:29:23AM +0100, Claudio Jeker wrote: > > On Sat, Dec 01, 2018 at 06:44:31PM -0800, Greg Steuck wrote: > > > This thwarts the reproducer. Again, I don't know if the invariants are > > > getting violated

Re: uvm_fault: ip_ctloutput

2018-12-02 Thread Greg Steuck
Awesome, thanks Claudio. As you predicted this nailed these 4 repros with a single patch :) Reported-by: syzbot+2cd350dfe5c96f646...@syzkaller.appspotmail.com Reported-by: syzbot+139ac2d7d3d601623...@syzkaller.appspotmail.com Reported-by: syzbot+02168317bd0156c13...@syzkaller.appspotmail.com

Re: uvm_fault: ip_ctloutput

2018-12-02 Thread Claudio Jeker
On Sun, Dec 02, 2018 at 09:29:23AM +0100, Claudio Jeker wrote: > On Sat, Dec 01, 2018 at 06:44:31PM -0800, Greg Steuck wrote: > > This thwarts the reproducer. Again, I don't know if the invariants are > > getting violated somewhere else and the patch below is simply papering over > > the symptoms.

Re: uvm_fault: ip_ctloutput

2018-12-02 Thread Claudio Jeker
?x=117e573340 > > > > -- Forwarded message ----- > > From: syzbot > > Date: Fri, Nov 30, 2018 at 7:58 PM > > Subject: Re: uvm_fault: ip_ctloutput > > To: > > > > > > syzbot has found a reproducer for the following crash on: >

Re: uvm_fault: ip_ctloutput

2018-12-01 Thread Greg Steuck
ro.c?x=117e573340 > > -- Forwarded message - > From: syzbot > Date: Fri, Nov 30, 2018 at 7:58 PM > Subject: Re: uvm_fault: ip_ctloutput > To: > > > syzbot has found a reproducer for the following crash on: > > HEAD commit:e9b93a3e5ebc Remove erron

Fwd: uvm_fault: ip_ctloutput

2018-11-30 Thread Greg Steuck
The C reproducer panics the machine like a charm. Requires root. https://syzkaller.appspot.com/x/repro.c?x=117e573340 -- Forwarded message - From: syzbot Date: Fri, Nov 30, 2018 at 7:58 PM Subject: Re: uvm_fault: ip_ctloutput To: syzbot has found a reproducer