From: Catalin Marinas <catalin.marinas@arm.com>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: syzbot <syzbot+5ecbe63baca437585bd4@syzkaller.appspotmail.com>,
Len Brown <len.brown@intel.com>,
LKML <linux-kernel@vger.kernel.org>,
linux-pm@vger.kernel.org, "Rafael J. Wysocki" <rjw@rjwysocki.net>,
syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
kasan-dev <kasan-dev@googlegroups.com>,
Vincenzo Frascino <vincenzo.frascino@arm.com>,
Andrey Konovalov <andreyknvl@gmail.com>,
Pavel Machek <pavel@ucw.cz>
Subject: Re: kernel BUG in memory_bm_free
Date: Mon, 15 Mar 2021 12:09:44 +0000 [thread overview]
Message-ID: <20210315120943.GB22897@arm.com> (raw)
In-Reply-To: <CACT4Y+ZjVc+_fg+Ggx8zRWSGqzf4gmZcngBXLf_R4F-GKU4a9A@mail.gmail.com>
On Mon, Mar 15, 2021 at 08:08:06AM +0100, Dmitry Vyukov wrote:
> On Wed, Feb 3, 2021 at 6:59 AM syzbot
> <syzbot+5ecbe63baca437585bd4@syzkaller.appspotmail.com> wrote:
> > syzbot found the following issue on:
> >
> > HEAD commit: 3aaf0a27 Merge tag 'clang-format-for-linux-v5.11-rc7' of g..
> > git tree: upstream
> > console output: https://syzkaller.appspot.com/x/log.txt?x=17ef6108d00000
> > kernel config: https://syzkaller.appspot.com/x/.config?x=10152c2ea16351e7
> > dashboard link: https://syzkaller.appspot.com/bug?extid=5ecbe63baca437585bd4
> > 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+5ecbe63baca437585bd4@syzkaller.appspotmail.com
>
> The BUG is:
> BUG_ON(!virt_addr_valid(addr));
>
> #syz fix: arm64: Do not pass tagged addresses to __is_lm_address()
Does this mean that commit 91cb2c8b072e ("arm64: Do not pass tagged
addresses to __is_lm_address()") fixes the regression? The patch was
merged in -5.11-rc7 I think.
--
Catalin
next prev parent reply other threads:[~2021-03-15 12:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-03 5:59 kernel BUG in memory_bm_free syzbot
2021-02-03 13:38 ` syzbot spam -- is it useful? time to ban them from the list? [was Re: kernel BUG in memory_bm_free] Pavel Machek
2021-03-15 7:08 ` kernel BUG in memory_bm_free Dmitry Vyukov
2021-03-15 12:09 ` Catalin Marinas [this message]
2021-03-15 12:26 ` Dmitry Vyukov
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