linux-kernel - Re: [syzbot] [io-uring?] BUG: unable to handle kernel NULL pointer dereference in percpu_ref_put

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Message-ID: <ea8b4924-e397-4ff2-85b5-9efbe63a9e0e@kernel.dk>
Date: Mon, 23 Dec 2024 13:55:28 -0700
From: Jens Axboe <axboe@...nel.dk>
To: Caleb Sander <csander@...estorage.com>
Cc: syzbot <syzbot+3dcac84cc1d50f43ed31@...kaller.appspotmail.com>,
 asml.silence@...il.com, io-uring@...r.kernel.org,
 linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com,
 "linux-nvme@...ts.infradead.org" <linux-nvme@...ts.infradead.org>,
 Hannes Reinecke <hare@...e.de>, Sagi Grimberg <sagi@...mberg.me>
Subject: Re: [syzbot] [io-uring?] BUG: unable to handle kernel NULL pointer
 dereference in percpu_ref_put_many

On 12/23/24 1:52 PM, Caleb Sander wrote:
> This is probably the same bug that is being addressed by
> https://lore.kernel.org/lkml/20241218185000.17920-2-leocstone@gmail.com/T/

Yep that looks highly plausible. We should get this queued for 6.12 and
marked for stable, it's missing the cc stable tag.

-- 
Jens Axboe