From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Duoming Zhou <duoming@zju.edu.cn>
Cc: <linux-scsi@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<James.Bottomley@HansenPartnership.com>,
<martin.petersen@oracle.com>, <christophe.jaillet@wanadoo.fr>,
<mingo@kernel.org>, <tglx@linutronix.de>, <linux@treblig.org>,
<fourier.thomas@gmail.com>
Subject: Re: [PATCH] scsi: mvsas: Fix use-after-free bugs in mvs_work_queue
Date: Mon, 29 Sep 2025 17:27:52 -0400 [thread overview]
Message-ID: <yq13485ne44.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <20250920134201.18428-1-duoming@zju.edu.cn> (Duoming Zhou's message of "Sat, 20 Sep 2025 21:42:01 +0800")
Duoming,
> During the detaching of Marvell's SAS/SATA controller, the origin code
> calls cancel_delayed_work() in mvs_free() to cancel the delayed work
> item mwq->work_q. However, if mwq->work_q is already running, the
> cancel_delayed_work() may fail to cancel it. This can lead to
> use-after-free scenarios where mvs_free() frees the mvs_info while
> mvs_work_queue() is still executing and attempts to access the
> already-freed mvs_info.
Applied to 6.18/scsi-staging, thanks!
--
Martin K. Petersen
prev parent reply other threads:[~2025-09-29 21:28 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-20 13:42 [PATCH] scsi: mvsas: Fix use-after-free bugs in mvs_work_queue Duoming Zhou
2025-09-29 21:27 ` Martin K. Petersen [this message]
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