From: Mina Almasry <almasrymina@google.com>
To: Tejun Heo <tj@kernel.org>
Cc: syzbot <syzbot+cac0c4e204952cf449b1@syzkaller.appspotmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org,
cgroups@vger.kernel.org, christian@brauner.io,
daniel@iogearbox.net, Johannes Weiner <hannes@cmpxchg.org>,
kafai@fb.com, open list <linux-kernel@vger.kernel.org>,
Li Zefan <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 14:06:47 -0700 [thread overview]
Message-ID: <CAHS8izPySSO07dHi3OZ_1uXjmMCGnNMWey+o-qwFM7GnD7oSHw@mail.gmail.com> (raw)
In-Reply-To: <20200312182826.GG79873@mtj.duckdns.org>
On Thu, Mar 12, 2020 at 11:28 AM Tejun Heo <tj@kernel.org> wrote:
>
> 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?
>
Gah, I missed the original syzbot email but I just saw this. I'll take a look.
> Thanks.
>
> --
> tejun
next prev parent reply other threads:[~2020-03-12 21:07 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
2020-03-12 21:06 ` Mina Almasry [this message]
2020-03-13 22:43 ` Mina Almasry
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