From: Tejun Heo <tj@kernel.org>
To: almasrymina@google.com,
syzbot <syzbot+cac0c4e204952cf449b1@syzkaller.appspotmail.com>
Cc: akpm@linux-foundation.org, andriin@fb.com, ast@kernel.org,
bpf@vger.kernel.org, cgroups@vger.kernel.org,
christian@brauner.io, daniel@iogearbox.net, hannes@cmpxchg.org,
kafai@fb.com, linux-kernel@vger.kernel.org, lizefan@huawei.com,
netdev@vger.kernel.org, sfr@canb.auug.org.au,
songliubraving@fb.com, syzkaller-bugs@googlegroups.com,
yhs@fb.com
Subject: Re: KASAN: slab-out-of-bounds Read in cgroup_file_notify
Date: Thu, 12 Mar 2020 14:28:26 -0400 [thread overview]
Message-ID: <20200312182826.GG79873@mtj.duckdns.org> (raw)
In-Reply-To: <00000000000041c6c205a08225dc@google.com>
On Tue, Mar 10, 2020 at 08:55:14AM -0700, syzbot wrote:
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit: c99b17ac Add linux-next specific files for 20200225
> git tree: linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=1610d70de00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=6b7ebe4bd0931c45
> dashboard link: https://syzkaller.appspot.com/bug?extid=cac0c4e204952cf449b1
> compiler: gcc (GCC) 9.0.0 20181231 (experimental)
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1242e1fde00000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1110d70de00000
>
> The bug was bisected to:
>
> commit 6863de00e5400b534cd4e3869ffbc8f94da41dfc
> Author: Mina Almasry <almasrymina@google.com>
> Date: Thu Feb 20 03:55:30 2020 +0000
>
> hugetlb_cgroup: add accounting for shared mappings
Mina, can you please take a look at this?
Thanks.
--
tejun
next prev parent reply other threads:[~2020-03-12 18:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-10 15:55 KASAN: slab-out-of-bounds Read in cgroup_file_notify syzbot
2020-03-12 18:28 ` Tejun Heo [this message]
2020-03-12 21:06 ` Mina Almasry
2020-03-13 22:43 ` Mina Almasry
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