From: Shakeel Butt <shakeelb@google.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Naresh Kamboju <naresh.kamboju@linaro.org>,
open list <linux-kernel@vger.kernel.org>,
Linux-Next Mailing List <linux-next@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>,
lkft-triage@lists.linaro.org, LTP List <ltp@lists.linux.it>,
Cgroups <cgroups@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Michal Hocko <mhocko@kernel.org>,
Yafang Shao <laoar.shao@gmail.com>,
Joel Fernandes <joel@joelfernandes.org>,
"Uladzislau Rezki (Sony)" <urezki@gmail.com>,
Matthew Wilcox <willy@infradead.org>,
Oleksiy Avramchenko <oleksiy.avramchenko@sonymobile.com>,
Steven Rostedt <rostedt@goodmis.org>,
Stephen Rothwell <sfr@canb.auug.org.au>,
Mike Rapoport <rppt@linux.ibm.com>,
David Hildenbrand <david@redhat.com>,
Joerg Roedel <jroedel@suse.de>, Roman Gushchin <guro@fb.com>,
Dennis Zhou <dennis@kernel.org>
Subject: Re: BUG at mm/vmalloc.c:3089! - invalid opcode: 0000 [#1] SMP KASAN PTI
Date: Wed, 22 Jul 2020 09:16:57 -0700 [thread overview]
Message-ID: <CALvZod5cBTsytQz5=EbqT_s1_ZJ8YpkBe+CLEAU+25FP4kHSAg@mail.gmail.com> (raw)
In-Reply-To: <CAK8P3a3br1bDc8C6UjRWzdmwzVV26YYe3ixHV7LH5Z0-OiqPQQ@mail.gmail.com>
On Wed, Jul 22, 2020 at 1:55 AM Arnd Bergmann <arnd@arndb.de> wrote:
>
> Adding Roman Gushchin to Cc, he touched that code recently.
>
> Naresh, if nobody has any immediate ideas, you could double-check by
> reverting these commits:
>
> e0b8d00b7561 mm: memcg/percpu: per-memcg percpu memory statistics
> 99411af13595 mm/percpu: fix 'defined but not used' warning
> 9398ce6306b6 mm-memcg-percpu-account-percpu-memory-to-memory-cgroups-fix-fix
> 54116d471779 mm-memcg-percpu-account-percpu-memory-to-memory-cgroups-fix
> ec518e090843 mm: memcg/percpu: account percpu memory to memory cgroups
> 9bc897d18dc3 percpu: return number of released bytes from pcpu_free_area()
>
> Arnd
>
I think syzbot has bisected this issue to the suspect patch.
https://lore.kernel.org/lkml/00000000000043f09405ab01b0b8@google.com/
prev parent reply other threads:[~2020-07-22 16:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-22 8:12 BUG at mm/vmalloc.c:3089! - invalid opcode: 0000 [#1] SMP KASAN PTI Naresh Kamboju
2020-07-22 8:55 ` Arnd Bergmann
2020-07-22 16:16 ` Shakeel Butt [this message]
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