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From: Michal Hocko <mhocko@suse.com>
To: Joel Fernandes <joel@joelfernandes.org>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Naresh Kamboju <naresh.kamboju@linaro.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: WARN_ON in move_normal_pmd
Date: Fri, 24 Mar 2023 15:38:51 +0100	[thread overview]
Message-ID: <ZB21+05jScCIK/rz@dhcp22.suse.cz> (raw)
In-Reply-To: <CAEXW_YQj_Wg0Xx2cHT9hTrDjEtrAV-bRjgL79=76d=D5f8GnEA@mail.gmail.com>

On Fri 24-03-23 09:43:10, Joel Fernandes wrote:
[...]
> Michal, would you also mind providing the full stack you are seeing
> just so we know it is the same issue (i.e. triggered via exec)?

Yes, it is the exec path
[  544.236782][T20518] Call Trace:
[  544.237467][T20518]  <TASK>
[  544.238034][T20518]  move_page_tables+0x8e4/0x930
[  544.238039][T20518]  shift_arg_pages+0xb5/0x180
[  544.238044][T20518]  ? mprotect_fixup+0x1ce/0x2e0
[  544.238046][T20518]  setup_arg_pages+0x256/0x2b0
[  544.238049][T20518]  load_elf_binary+0x375/0x15d0
[  544.238052][T20518]  ? __kernel_read+0x2e8/0x310
[  544.238056][T20518]  ? __kernel_read+0x2e8/0x310
[  544.238059][T20518]  bprm_execve+0x2ec/0x650
[  544.238062][T20518]  do_execveat_common.isra.42+0x1ed/0x230
[  544.238064][T20518]  __x64_sys_execve+0x32/0x40
[  544.238067][T20518]  do_syscall_64+0x5b/0x80
[  544.238072][T20518]  ? __SCT__preempt_schedule_notrace+0x8/0x8
[  544.238075][T20518]  ? __SCT__preempt_schedule_notrace+0x8/0x8
[  544.238076][T20518]  ? exit_to_user_mode_prepare+0xfc/0x230
[  544.250270][T20518]  ? syscall_exit_to_user_mode+0x18/0x40
[  544.250292][T20518]  ? do_syscall_64+0x67/0x80
[  544.250294][T20518]  ? exc_page_fault+0x67/0x150
[  544.250297][T20518]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
-- 
Michal Hocko
SUSE Labs


  parent reply	other threads:[~2023-03-24 14:38 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-24 11:15 Michal Hocko
2023-03-24 13:05 ` Kirill A. Shutemov
2023-03-24 13:43   ` Joel Fernandes
2023-03-24 13:48     ` Joel Fernandes
2023-03-24 13:55     ` Kirill A. Shutemov
2023-03-24 14:38     ` Michal Hocko [this message]
2023-03-24 23:38     ` Linus Torvalds
2023-03-25 16:33       ` Joel Fernandes
2023-03-25 16:47         ` Joel Fernandes
2023-03-25 17:06         ` Linus Torvalds
2023-03-25 17:26           ` Linus Torvalds
2023-03-26  2:26           ` Joel Fernandes
2023-03-26 22:48             ` Linus Torvalds

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