From: Greg KH <gregkh@linuxfoundation.org>
To: Li Nan <linan666@huaweicloud.com>
Cc: arnd@arndb.de, linux-kernel@vger.kernel.org,
viro@zeniv.linux.org.uk, wanghai38@huawei.com
Subject: Re: [PATCH v2] char: lp: Fix NULL pointer dereference of cad
Date: Tue, 20 Jan 2026 10:23:27 +0100 [thread overview]
Message-ID: <2026012041-catfight-fetal-9347@gregkh> (raw)
In-Reply-To: <fd9a77f5-8ed0-25d9-7195-445abe521a02@huaweicloud.com>
On Tue, Jan 20, 2026 at 03:55:47PM +0800, Li Nan wrote:
> > And how was this tested?
>
> We found this issue during fuzzing in QEMU.
> Based on the root cause, I got the following reproducer:
QEMU is not real hardware :)
Do you really still use parallel port hardware in the real world? or
is this just an accidemic exercise of a fuzzing tool?
thanks,
greg k-h
next prev parent reply other threads:[~2026-01-20 9:23 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-08 2:41 linan666
2026-01-16 14:39 ` Greg KH
2026-01-20 7:55 ` Li Nan
2026-01-20 9:23 ` Greg KH [this message]
2026-01-20 11:41 ` Li Nan
2026-01-20 12:43 ` Greg KH
2026-01-20 13:21 ` Li Nan
2026-01-20 14:07 ` Greg KH
2026-01-21 1:17 ` Li Nan
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