linux-kernel - Re: [PATCH v2] mm: page_alloc: move mlocked flag clearance into free_pages

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Message-ID: <ZyrBuZPBjJi75gGU@google.com>
Date: Tue, 5 Nov 2024 17:09:13 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: Roman Gushchin <roman.gushchin@...ux.dev>
Cc: Hugh Dickins <hughd@...gle.com>, Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org, 
	Vlastimil Babka <vbabka@...e.cz>, linux-kernel@...r.kernel.org, stable@...r.kernel.org, 
	Matthew Wilcox <willy@...radead.org>, Shakeel Butt <shakeel.butt@...ux.dev>
Subject: Re: [PATCH v2] mm: page_alloc: move mlocked flag clearance into free_pages_prepare()

On Tue, Oct 22, 2024, Roman Gushchin wrote:
> On Mon, Oct 21, 2024 at 12:49:28PM -0700, Hugh Dickins wrote:
> > On Mon, 21 Oct 2024, Roman Gushchin wrote:
> > I don't think there's any need to change your text, but
> > let me remind us that any "Bad page" report stops that page from being
> > allocated again (because it's in an undefined, potentially dangerous
> > state): so does amount to a small memory leak even if otherwise harmless.
> 
> It looks like I need to post v3 as soon as I get a publicly available
> syzkaller report, so I'll add this to the commit log.

Today is your lucky day :-)

https://lore.kernel.org/all/6729f475.050a0220.701a.0019.GAE@google.com