From: Andrey Konovalov <andreyknvl@google.com>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: syzbot <syzbot+2a52b6c31dbefb1e9d9f@syzkaller.appspotmail.com>,
Amit Kachhap <amit.kachhap@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
LKML <linux-kernel@vger.kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
mbenes@suse.cz, syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
Will Deacon <will@kernel.org>,
Vincenzo Frascino <vincenzo.frascino@arm.com>,
Mark Brown <broonie@kernel.org>
Subject: Re: KASAN: invalid-access Read in kmem_cache_destroy
Date: Wed, 27 Jan 2021 20:50:10 +0100 [thread overview]
Message-ID: <CAAeHK+yW_GCbKAdLEdQpFsjfBKy8_nkFKpBydg3icpb5rbA69g@mail.gmail.com> (raw)
In-Reply-To: <20210127174322.GH4387@sirena.org.uk>
On Wed, Jan 27, 2021 at 6:44 PM Mark Brown <broonie@kernel.org> wrote:
>
> On Wed, Jan 27, 2021 at 06:14:13PM +0100, Dmitry Vyukov wrote:
> > On Wed, Jan 27, 2021 at 5:58 PM syzbot
> > <syzbot+2a52b6c31dbefb1e9d9f@syzkaller.appspotmail.com> wrote:
> > >
> > > Hello,
> > >
> > > syzbot found the following issue on:
> > >
> > > HEAD commit: 2ab38c17 mailmap: remove the "repo-abbrev" comment
> > > git tree: upstream
> > > console output: https://syzkaller.appspot.com/x/log.txt?x=12eb4ad8d00000
> > > kernel config: https://syzkaller.appspot.com/x/.config?x=ad43be24faf1194c
> > > dashboard link: https://syzkaller.appspot.com/bug?extid=2a52b6c31dbefb1e9d9f
> > > userspace arch: arm64
> > >
> > > Unfortunately, I don't have any reproducer for this issue yet.
> > >
> > > IMPORTANT: if you fix the issue, please add the following tag to the commit:
> > > Reported-by: syzbot+2a52b6c31dbefb1e9d9f@syzkaller.appspotmail.com
> >
> > This happens on arm64 instance with MTE enabled.
> > I don't see any corresponding reports on x86_64. So I would assume
> > it's a generic latent bug, or probably more likely a bug in MTE
> > support.
>
> Copying in Vincenso who's done a bunch of MTE stuff recently.
Could be the same issue as:
https://lkml.org/lkml/2021/1/27/1109
next prev parent reply other threads:[~2021-01-27 19:52 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-27 16:58 syzbot
2021-01-27 17:14 ` Dmitry Vyukov
2021-01-27 17:43 ` Mark Brown
2021-01-27 19:50 ` Andrey Konovalov [this message]
2021-01-28 12:34 ` Vincenzo Frascino
2021-01-28 12:43 ` Dmitry Vyukov
2021-01-28 13:29 ` Vincenzo Frascino
2021-05-03 8:30 ` Dmitry Vyukov
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