From: Cong Wang <xiyou.wangcong@gmail.com>
To: Xiang Mei <xmei5@asu.edu>
Cc: security@kernel.org, netdev@vger.kernel.org, jhs@mojatatu.com,
jiri@resnulli.us
Subject: Re: [PATCH net] net/sched: sch_qfq: Fix NULL deref when deactivating
Date: Sun, 7 Dec 2025 14:45:41 -0800 [thread overview]
Message-ID: <aTYDlZ+uJfm7cQAn@pop-os.localdomain> (raw)
In-Reply-To: <4mxbjdgdxufrv7rm7krt4j7nknqlwi6kcilpjg2tbcxzgrxif3@tdobbjya7euj>
On Thu, Dec 04, 2025 at 07:11:12PM -0700, Xiang Mei wrote:
> The PoC and intended crash are attached for your reference:
>
> PoC:
> ```c
I hate to ask every time, but is it possible to turn this C reproducer
into a selftest? To save your time, use AI?
Maybe I should add a warning in checkpatch.pl to catch net_sched fixes
without selftests. :)
Thanks,
Cong
next prev parent reply other threads:[~2025-12-07 22:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-05 1:48 [PATCH net] net/sched: sch_qfq: Fix NULL deref when deactivating Xiang Mei
2025-12-05 2:11 ` Xiang Mei
2025-12-07 22:45 ` Cong Wang [this message]
2025-12-08 22:17 ` Xiang Mei
2025-12-11 9:23 ` Jakub Kicinski
2025-12-15 0:23 ` Xiang Mei
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