linux-kernel - Re: [PATCH] scsi: sg: fix slab-use-after-free Read in sg

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Message-ID: <173336487634.2765947.1842407236657188629.b4-ty@oracle.com>
Date: Wed,  4 Dec 2024 21:17:05 -0500
From: "Martin K. Petersen" <martin.petersen@...cle.com>
To: dgilbert@...erlog.com, Suraj Sonawane <surajsonawane0215@...il.com>
Cc: "Martin K . Petersen" <martin.petersen@...cle.com>,
        James.Bottomley@...senPartnership.com, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        syzbot+7efb5850a17ba6ce098b@...kaller.appspotmail.com
Subject: Re: [PATCH] scsi: sg: fix slab-use-after-free Read in sg_release

On Wed, 20 Nov 2024 18:29:44 +0530, Suraj Sonawane wrote:

> Fix a use-after-free bug in `sg_release`,
> detected by syzbot with KASAN:
> 
> BUG: KASAN: slab-use-after-free in lock_release+0x151/0xa30
> kernel/locking/lockdep.c:5838
> __mutex_unlock_slowpath+0xe2/0x750 kernel/locking/mutex.c:912
> sg_release+0x1f4/0x2e0 drivers/scsi/sg.c:407
> 
> [...]

Applied to 6.13/scsi-fixes, thanks!

[1/1] scsi: sg: fix slab-use-after-free Read in sg_release
      https://git.kernel.org/mkp/scsi/c/f10593ad9bc3

-- 
Martin K. Petersen	Oracle Linux Engineering