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From: Rik van Riel <riel@surriel.com>
To: Nikola Ciprich <nikola.ciprich@linuxbox.cz>,
	"Lorenzo Stoakes (ARM)" <ljs@kernel.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	akpm@linux-foundation.org, 	david@kernel.org,
	Mike Rapoport <rppt@kernel.org>,
	Dave Hansen	 <dave.hansen@linux.intel.com>,
	Pedro Falcato <pfalcato@suse.de>,
	Kiryl Shutsemau <kas@kernel.org>,
	luizcap@redhat.com, pbonzini@redhat.com
Subject: Re: hunting memory corruption bug in 6.18.x
Date: Mon, 05 Oct 2026 06:58:13 -0400	[thread overview]
Message-ID: <6047f10bc230a7d34628c0021373e407279bf3dd.camel@surriel.com> (raw)
In-Reply-To: <ar63St2LBfCdyhwj@pcnci.linuxbox.cz>

On Thu, 2026-10-01 at 21:40 +0200, Nikola Ciprich wrote:
> 
> Oops:
> general protection fault, probably for non-canonical address
> 0xfffffff0c930038
> RIP: __d_lookup+0x4a/0xc0
> Comm: systemd PID: 1274600 CPU: 23
> Call trace:
> __d_lookup
> lookup_fast
> walk_component
> link_path_walk
> path_openat

That is the exact same memory address as the
crash in your original report.

Do you capture any crashes with other memory
addresses, or do they always crash with this
same address?

If it's always the same address, we may not
be looking at random corruption at all, but
instead at some bug that results in the same
bad address every time.

That might narrow the problem space a little.

-- 
All Rights Reversed.

  parent reply	other threads:[~2026-10-05 10:58 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-25  8:48 Nikola Ciprich
2026-09-25 10:05 ` Lorenzo Stoakes (ARM)
2026-09-25 12:13 ` Lorenzo Stoakes (ARM)
2026-09-26  5:58   ` Nikola Ciprich
2026-09-26  9:32     ` Lorenzo Stoakes (ARM)
2026-09-28  9:05       ` Nikola Ciprich
2026-09-29 19:11         ` Nikola Ciprich
2026-09-30  9:07           ` Lorenzo Stoakes (ARM)
2026-09-30 18:40             ` Nikola Ciprich
2026-10-01 19:40               ` Nikola Ciprich
2026-10-01 22:21                 ` David Laight
2026-10-02  9:50                 ` Lorenzo Stoakes (ARM)
2026-10-02 14:55                   ` Nikola Ciprich
2026-10-02 19:27                     ` Lorenzo Stoakes (ARM)
2026-10-04 18:40                       ` Nikola Ciprich
2026-10-05 11:25                         ` Rik van Riel
2026-10-05 19:02                           ` Nikola Ciprich
     [not found]                           ` <20261005132113.43548696@pumpkin>
2026-10-05 19:25                             ` Nikola Ciprich
2026-10-02 22:02                     ` Borislav Petkov
2026-10-04 18:45                       ` Nikola Ciprich
2026-10-05 10:58                 ` Rik van Riel [this message]
2026-10-05 18:05                   ` Nikola Ciprich
2026-09-26 16:02 ` Luiz Capitulino
2026-09-28  8:47   ` Nikola Ciprich
2026-10-04 22:20 ` Rik van Riel
2026-10-05  9:31   ` Nikola Ciprich
2026-10-05  8:31 ` Lance Yang

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