[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <7jhx44ynje54wfcq3bkaui5w6oox7ypd7cgg4u5zhue6rf5tok@nj6jaxppzq2b>
Date: Mon, 22 Apr 2024 11:24:39 -0400
From: "Liam R. Howlett" <Liam.Howlett@...cle.com>
To: Marius Fleischer <fleischermarius@...il.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>, maple-tree@...ts.infradead.org,
linux-kernel@...r.kernel.org, syzkaller@...glegroups.com,
harrisonmichaelgreen@...il.com
Subject: Re: general protection fault in mas_empty_area_rev
* Marius Fleischer <fleischermarius@...il.com> [240422 11:11]:
> Hi Liam,
>
> Thank you so much for the response!
>
> > >
> > > Crash log:
> > >
> > > general protection fault, probably for non-canonical address
> > > 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI
> > >
> > > KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
> > >
> > > CPU: 0 PID: 79545 Comm: syz-executor.0 Not tainted 6.9.0-rc4-dirty #3
> >
> > This indicates that you built with your own patches. Could you test an
> > unmodified 6.9.0-rc4 with your setup?
> >
>
> I'm very sorry for this oversight. I had applied the patches for another bug
> from this conversation
> (https://lore.kernel.org/all/20240404070702.2744-3-osalvador@suse.de/T/#m480f21ab850996395082d0faab7f624f45b83781)
> I will test the reproducer without these patches and get back to you!
After testing with your config, I can see that those fixes are needed to
boot.
I am going to try 6.9-rc5 with your configuration and see if I can
trigger the issue there.
>
> If there is any other information I can provide to help you, please let me know!
>
> Wishing you a lovely start to the week!
Thanks for the prompt response and information.
Regards,
Liam
Powered by blists - more mailing lists