From: Christian Brauner <brauner@kernel.org>
To: Christoph Hellwig <hch@lst.de>
Cc: syzbot <syzbot+2faac0423fdc9692822b@syzkaller.appspotmail.com>,
jack@suse.cz, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com,
viro@zeniv.linux.org.uk
Subject: Re: [syzbot] [fs?] KASAN: slab-use-after-free Read in test_bdev_super_fc
Date: Fri, 4 Aug 2023 16:49:18 +0200 [thread overview]
Message-ID: <20230804-kurvigen-uninteressant-09d451db7458@brauner> (raw)
In-Reply-To: <20230804144343.GA28230@lst.de>
On Fri, Aug 04, 2023 at 04:43:43PM +0200, Christoph Hellwig wrote:
> On Fri, Aug 04, 2023 at 04:36:49PM +0200, Christian Brauner wrote:
> > FFS
>
> Good spot, this explains the missing dropping of s_umount.
>
> But I don't think it's doing the right thing for MTD mount romfs,
> we'll need something like this:
I'll fold a fix into Jan's patch.
next prev parent reply other threads:[~2023-08-04 14:49 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-03 22:14 [syzbot] [fs?] KASAN: slab-use-after-free Read in test_bdev_super_fc syzbot
2023-08-04 10:14 ` Christoph Hellwig
2023-08-04 13:20 ` Christian Brauner
2023-08-04 14:02 ` Christoph Hellwig
2023-08-04 14:36 ` Christian Brauner
2023-08-04 14:43 ` Christoph Hellwig
2023-08-04 14:49 ` Christian Brauner [this message]
2023-08-04 15:29 ` Christian Brauner
2023-08-05 8:57 ` Christoph Hellwig
[not found] ` <20230805084316.1699-1-hdanton@sina.com>
2023-08-05 8:48 ` Christoph Hellwig
[not found] <20230804125406.1583-1-hdanton@sina.com>
2023-08-04 19:13 ` syzbot
[not found] <20230804233428.1642-1-hdanton@sina.com>
2023-08-05 0:11 ` syzbot
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