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From: Linus Torvalds <torvalds@linux-foundation.org>
To: Matthew Wilcox <willy@infradead.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	 linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	Linux-MM <linux-mm@kvack.org>
Subject: Re: [GIT PULL] Rare page cache data corruption fix
Date: Fri, 22 Apr 2022 13:35:03 -0700	[thread overview]
Message-ID: <CAHk-=wjn-V-b=w=4GS_nJQ1nsVcJm0FPTv2Ene_xP_AWPBBFsg@mail.gmail.com> (raw)
In-Reply-To: <YmMF32RlCn2asAhc@casper.infradead.org>

On Fri, Apr 22, 2022 at 12:45 PM Matthew Wilcox <willy@infradead.org> wrote:
>
> Syzbot found a nasty race between large page splitting and page lookup.
> Details in the commit log, but fortunately it has a reliable reproducer.

The commit message does mention it ("I have not added a new test for
this bug."), but I'll echo it anyway, since you say it can be reliably
reproduced - getting that repro into the testsuite would be lovely.

               Linus


  reply	other threads:[~2022-04-22 20:35 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-22 19:45 Matthew Wilcox
2022-04-22 20:35 ` Linus Torvalds [this message]
2022-04-22 20:46 ` pr-tracker-bot
2022-04-30 19:22 ` Andrew Morton

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