From: Andrew Morton <akpm@linux-foundation.org>
To: "Liam R. Howlett" <Liam.Howlett@oracle.com>
Cc: Bert Karwatzki <spasswolf@web.de>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linux-next@vger.kernel.org
Subject: Re: commit 1c29a32ce65f4cd0f1c causes Bad rss-counter state and firefox-esr crash in linux-next-20240613
Date: Fri, 14 Jun 2024 10:21:49 -0700 [thread overview]
Message-ID: <20240614102149.f752c1609106b97ea302ccf0@linux-foundation.org> (raw)
In-Reply-To: <w5uejhiciolye2ikgsdjim25z7lau7km3tu6t2vby3kuxeshos@osowmu4ecng5>
On Fri, 14 Jun 2024 08:30:20 -0400 "Liam R. Howlett" <Liam.Howlett@oracle.com> wrote:
> >
> > > (these are the error messages of several crashes and the error seems to affect
> > > other processes, too (T1))
> > >
> > > The crash can be provoked to appear in ~1min by opening large numbers of tabs in
> > > firefox-esr (by holding pressing ctrl+t for some time). With this I bisected the
> > > error to commit "1c29a32ce65f mm/mmap: use split munmap calls for MAP_FIXED" and
> > > reverting this commit in linux-next-20240613 fixes the issue for me.
> >
> > Thanks, that must have taken a lot of time.
>
> Yes, thank you for all that work and apologies in creating this
> frustrating situation.
>
> Andrew, please drop the set from your branch. I need to write some more
> tests, but I suspect I will need to do some work around the vma_merge()
> function, which is never a fun endeavor.
Dropped, thanks.
next prev parent reply other threads:[~2024-06-14 17:21 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-13 23:40 commit 1c29a32ce65f4cd0f1c causes Bad rss-counter state and firefox-esr crash in linux-next-20240613 Bert Karwatzki
2024-06-14 0:03 ` Andrew Morton
2024-06-14 8:26 ` Bert Karwatzki
2024-06-14 8:37 ` Bert Karwatzki
2024-06-14 12:30 ` Liam R. Howlett
2024-06-14 17:21 ` Andrew Morton [this message]
2024-06-14 7:54 ` Jiri Olsa
2024-06-14 12:31 ` Liam R. Howlett
-- strict thread matches above, loose matches on Subject: below --
2024-06-21 19:32 Bert Karwatzki
2024-07-12 12:17 [PATCH] mm: Fix mmap_assert_locked() in follow_pte() Bert Karwatzki
2024-07-12 12:17 ` commit 1c29a32ce65f4cd0f1c causes Bad rss-counter state and firefox-esr crash in linux-next-20240613 Bert Karwatzki
2024-07-12 15:38 ` Liam R. Howlett
2024-07-12 16:26 ` Bert Karwatzki
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