From: Tomas Henzl <thenzl@redhat.com>
To: "Dāvis Mosāns" <davispuh@gmail.com>,
"James E.J. Bottomley" <JBottomley@odin.com>,
linux-scsi@vger.kernel.org
Subject: Re: [PATCH] SCSI: mvsas: Fix NULL pointer dereference in mvs_slot_task_free
Date: Wed, 2 Sep 2015 14:08:19 +0200 [thread overview]
Message-ID: <55E6E6B3.5070900@redhat.com> (raw)
In-Reply-To: <1440131362-18605-1-git-send-email-davispuh@gmail.com>
On 21.8.2015 06:29, Dāvis Mosāns wrote:
> When pci_pool_alloc fails in mvs_task_prep then task->lldd_task stays
> NULL but it's later used in mvs_abort_task as slot which is passed
> to mvs_slot_task_free causing NULL pointer dereference.
>
> Just return from mvs_slot_task_free when passed with NULL slot.
>
> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=101891
> Signed-off-by: Dāvis Mosāns <davispuh@gmail.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Cheers,
Tomas
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next prev parent reply other threads:[~2015-09-02 12:08 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-21 4:29 [PATCH] SCSI: mvsas: Fix NULL pointer dereference in mvs_slot_task_free Dāvis Mosāns
2015-09-01 20:08 ` Dāvis Mosāns
2015-09-02 12:08 ` Tomas Henzl [this message]
2015-10-20 17:41 ` Dāvis Mosāns
2015-10-21 7:33 ` Johannes Thumshirn
2015-10-21 13:18 ` Dāvis Mosāns
2015-10-21 13:18 ` Dāvis Mosāns
2015-10-21 13:47 ` Johannes Thumshirn
2015-10-21 13:47 ` Johannes Thumshirn
2015-10-21 14:26 ` Dāvis Mosāns
2015-10-21 14:29 ` Johannes Thumshirn
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