linux-kernel - Re: [PATCH] tty: vt: check for atomic context in con

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Message-ID: <82aa07d4-13ac-4b1d-80cd-0970c71752a5@kernel.org>
Date: Mon, 22 Jan 2024 07:48:52 +0100
From: Jiri Slaby <jirislaby@...nel.org>
To: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
 syzbot <syzbot+06fa1063cca8163ea541@...kaller.appspotmail.com>,
 syzkaller-bugs@...glegroups.com,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, linux-serial <linux-serial@...r.kernel.org>
Subject: Re: [PATCH] tty: vt: check for atomic context in con_write()

On 20. 01. 24, 11:34, Tetsuo Handa wrote:
> syzbot is reporting sleep in atomic context, for gsmld_write() is calling
> con_write() with spinlock held and IRQs disabled.

gsm should never be bound to a console in the first place.

Noone has sent a patch to deny that yet.

Follow:
https://lore.kernel.org/all/49453ebd-b321-4f34-a1a5-d828d8881010@kernel.org/

And feel free to patch that ;).

thanks,
-- 
js
suse labs