From: "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
To: "Borah, Chaitanya Kumar" <chaitanya.kumar.borah@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Suren Baghdasaryan <surenb@google.com>,
"Liam R. Howlett" <liam@infradead.org>,
Vlastimil Babka <vbabka@kernel.org>,
Shakeel Butt <shakeel.butt@linux.dev>,
David Hildenbrand <david@kernel.org>,
Mike Rapoport <rppt@kernel.org>, Michal Hocko <mhocko@suse.com>,
Uladzislau Rezki <urezki@gmail.com>,
Toshi Kani <toshi.kani@hpe.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Andy Lutomirski <luto@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@kernel.org>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Kiryl Shutsemau <kas@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Dev Jain <dev.jain@arm.com>,
Ryan Roberts <ryan.roberts@arm.com>,
David Carlier <devnexen@gmail.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
bpf@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
"Denis V. Lunev" <den@virtuozzo.com>,
stable@vger.kernel.org,
"intel-gfx@lists.freedesktop.org"
<intel-gfx@lists.freedesktop.org>,
"intel-xe@lists.freedesktop.org"
<intel-xe@lists.freedesktop.org>
Subject: Re: [REGRESSION]: [PATCH mm-hotfixes v5 3/5] x86/mm/pat: acquire init_mm read lock on attribute change to avoid UAF
Date: Mon, 27 Jul 2026 12:25:16 +0100 [thread overview]
Message-ID: <amc_24CTvgPj8VV1@lucifer> (raw)
In-Reply-To: <15f365d9-b5b9-4dc1-b24c-1b6f9363e9b1@intel.com>
On Mon, Jul 27, 2026 at 02:30:57PM +0530, Borah, Chaitanya Kumar wrote:
>
>
> On 7/23/2026 7:48 PM, Lorenzo Stoakes (ARM) wrote:
> > Thanks for the report!
> >
> > A small note - it'd be useful for you to clearly point
> > out the revision of next to make our life a bit easier :)
> >
>
> Ack.
>
Thanks! :)
> > (another small note - running scripts/decode_stacktrace.sh would be hugely
> > useful as these offsets aren't so useful unless I have the exact kernel
> > binary you have with debug symbols :)
> >
>
> We have not been asked for that yet but we can surely provide it if it
> becomes absolutely necessary for debugging.
>
It would be SUPER useful if it's not too difficult to implement, thanks :)
> Thank you for sending the fixes.
>
> CI looks good now.
>
> https://intel-gfx-ci.01.org/tree/linux-next/combined-alt.html?
Great thanks!
Cheers, Lorenzo
next prev parent reply other threads:[~2026-07-27 11:25 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-17 17:30 [PATCH mm-hotfixes v5 0/5] mm: fix UAF caused by race between ptdump and vmap pgtable freeing Lorenzo Stoakes (ARM)
2026-07-17 17:30 ` [PATCH mm-hotfixes v5 1/5] mm/vmalloc: acquire init_mm lock on huge vmap to avoid ptdump UAF Lorenzo Stoakes (ARM)
2026-07-17 17:30 ` [PATCH mm-hotfixes v5 2/5] x86/mm/pat: acquire init_mm write lock on collapse to avoid UAF Lorenzo Stoakes (ARM)
2026-07-17 17:50 ` sashiko-bot
2026-07-17 17:30 ` [PATCH mm-hotfixes v5 3/5] x86/mm/pat: acquire init_mm read lock on attribute change " Lorenzo Stoakes (ARM)
2026-07-18 10:54 ` Mike Rapoport
2026-07-18 14:28 ` Lorenzo Stoakes (ARM)
2026-07-23 6:30 ` [REGRESSION]: " Borah, Chaitanya Kumar
2026-07-23 14:18 ` Lorenzo Stoakes (ARM)
2026-07-27 9:00 ` Borah, Chaitanya Kumar
2026-07-27 11:25 ` Lorenzo Stoakes (ARM) [this message]
2026-07-17 17:30 ` [PATCH mm-hotfixes v5 4/5] mm/ptdump: always stabilise against page table freeing using init_mm Lorenzo Stoakes (ARM)
2026-07-17 17:30 ` [PATCH mm-hotfixes v5 5/5] arm64: remove redundant concurrent ptdump UAF mitigation Lorenzo Stoakes (ARM)
2026-07-17 19:29 ` [PATCH mm-hotfixes v5 0/5] mm: fix UAF caused by race between ptdump and vmap pgtable freeing Andrew Morton
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