From: Eric Biggers <ebiggers@kernel.org>
To: syzbot <syzbot+76a43f2b4d34cfc53548@syzkaller.appspotmail.com>
Cc: akpm@osdl.org, deepa.kernel@gmail.com, hch@infradead.org,
jlayton@kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, lkundrak@v3.sk,
syzkaller-bugs@googlegroups.com, tklauser@nuerscht.ch,
trond.myklebust@fys.uio.no, viro@zeniv.linux.org.uk
Subject: Re: KASAN: use-after-free Read in mnt_warn_timestamp_expiry
Date: Wed, 16 Oct 2019 18:47:55 -0700 [thread overview]
Message-ID: <20191017014755.GA1552@sol.localdomain> (raw)
In-Reply-To: <0000000000007f489b0595115374@google.com>
On Wed, Oct 16, 2019 at 06:42:11PM -0700, syzbot wrote:
> ==================================================================
> BUG: KASAN: use-after-free in mnt_warn_timestamp_expiry+0x4a/0x250
> fs/namespace.c:2471
> Read of size 8 at addr ffff888099937328 by task syz-executor.1/18510
>
Looks like a duplicate of this:
#syz dup: KASAN: use-after-free Read in do_mount
See the existing thread and proposed fix here:
https://lkml.kernel.org/linux-fsdevel/000000000000805e5505945a234b@google.com/T/#u
- Eric
next prev parent reply other threads:[~2019-10-17 1:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-17 1:42 KASAN: use-after-free Read in mnt_warn_timestamp_expiry syzbot
2019-10-17 1:47 ` Eric Biggers [this message]
2019-10-17 1:58 ` Al Viro
2019-10-17 2:27 ` Eric Biggers
2019-10-17 2:37 ` Al Viro
2019-10-17 2:50 ` Eric Biggers
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