From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: linuxppc-dev@lists.ozlabs.org, Jens Axboe <axboe@kernel.dk>
Subject: Re: [PATCH] powerpc: don't try to copy ppc for task with NULL pt_regs
Date: Thu, 06 Apr 2023 10:26:57 +1000 [thread overview]
Message-ID: <168074081763.3666874.7697892587390998192.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <d9f63344-fe7c-56ae-b420-4a1a04a2ae4c@kernel.dk>
On Sun, 26 Mar 2023 16:15:57 -0600, Jens Axboe wrote:
> Powerpc sets up PF_KTHREAD and PF_IO_WORKER with a NULL pt_regs, which
> from my (arguably very short) checking is not commonly done for other
> archs. This is fine, except when PF_IO_WORKER's have been created and
> the task does something that causes a coredump to be generated. Then we
> get this crash:
>
> [...]
Applied to powerpc/fixes.
[1/1] powerpc: don't try to copy ppc for task with NULL pt_regs
https://git.kernel.org/powerpc/c/fd7276189450110ed835eb0a334e62d2f1c4e3be
cheers
prev parent reply other threads:[~2023-04-06 0:28 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-26 22:15 [PATCH] powerpc: don't try to copy ppc for task with NULL pt_regs Jens Axboe
2023-03-27 6:36 ` Nicholas Piggin
2023-03-27 10:26 ` Christophe Leroy
2023-03-28 6:16 ` Nicholas Piggin
2023-03-28 11:47 ` Michael Ellerman
2023-03-30 8:44 ` Christophe Leroy
2023-03-27 12:42 ` Jens Axboe
2023-03-27 13:54 ` Michael Ellerman
2023-03-27 16:10 ` Jens Axboe
2023-03-28 11:32 ` Michael Ellerman
2023-03-28 12:39 ` Jens Axboe
2023-04-06 0:26 ` Michael Ellerman [this message]
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