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SubjectRe: KASAN: slab-out-of-bounds Read in cgroup_file_notify
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

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