From: Pavel Machek <pavel@denx.de>
To: Sasha Levin <sashal@kernel.org>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
Alexander Potapenko <glider@google.com>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Alexei Starovoitov <ast@kernel.org>,
Andrey Konovalov <andreyknvl@gmail.com>,
Andrey Konovalov <andreyknvl@google.com>,
Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Borislav Petkov <bp@alien8.de>, Christoph Hellwig <hch@lst.de>,
Christoph Lameter <cl@linux.com>,
David Rientjes <rientjes@google.com>,
Dmitry Vyukov <dvyukov@google.com>,
Eric Biggers <ebiggers@google.com>,
Eric Biggers <ebiggers@kernel.org>,
Eric Dumazet <edumazet@google.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Herbert Xu <herbert@gondor.apana.org.au>,
Ilya Leoshkevich <iii@linux.ibm.com>,
Ingo Molnar <mingo@redhat.com>, Jens Axboe <axboe@kernel.dk>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Kees Cook <keescook@chromium.org>, Marco Elver <elver@google.com>,
Mark Rutland <mark.rutland@arm.com>,
Matthew Wilcox <willy@infradead.org>,
"Michael S . Tsirkin" <mst@redhat.com>,
Pekka Enberg <penberg@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Petr Mladek <pmladek@suse.com>,
Stephen Rothwell <sfr@canb.auug.org.au>,
Steven Rostedt <rostedt@goodmis.org>,
Thomas Gleixner <tglx@linutronix.de>,
Vasily Gorbik <gor@linux.ibm.com>,
Vegard Nossum <vegard.nossum@oracle.com>,
Vlastimil Babka <vbabka@suse.cz>,
Andrew Morton <akpm@linux-foundation.org>,
linux-block@vger.kernel.org
Subject: Re: [PATCH AUTOSEL 5.10 13/16] kmsan: disable physical page merging in biovec
Date: Tue, 18 Oct 2022 11:34:18 +0200 [thread overview]
Message-ID: <20221018093418.GA1264@duo.ucw.cz> (raw)
In-Reply-To: <20221018001029.2731620-13-sashal@kernel.org>
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Hi!
> From: Alexander Potapenko <glider@google.com>
>
> [ Upstream commit f630a5d0ca59a6e73b61e3f82c371dc230da99ff ]
>
> KMSAN metadata for adjacent physical pages may not be adjacent, therefore
> accessing such pages together may lead to metadata corruption. We disable
> merging pages in biovec to prevent such corruptions.
KMSAN is not there at least in 5.10, so we should not have this in
-stable.
Best regards,
Pavel
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
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next prev parent reply other threads:[~2022-10-18 9:34 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-18 0:10 [PATCH AUTOSEL 5.10 01/16] crypto: qcom-rng - Fix qcom_rng_of_match unused warning Sasha Levin
2022-10-18 0:10 ` [PATCH AUTOSEL 5.10 02/16] crypto: ccp - Add a quirk to firmware update Sasha Levin
2022-10-18 0:10 ` [PATCH AUTOSEL 5.10 03/16] gfs2: Switch from strlcpy to strscpy Sasha Levin
2022-10-18 0:10 ` [PATCH AUTOSEL 5.10 04/16] powerpc/hw_breakpoint: Avoid relying on caller synchronization Sasha Levin
2022-10-18 9:35 ` Pavel Machek
2022-10-18 0:10 ` [PATCH AUTOSEL 5.10 05/16] cgroup: Remove data-race around cgrp_dfl_visible Sasha Levin
2022-10-18 0:10 ` [PATCH AUTOSEL 5.10 06/16] of/fdt: Don't calculate initrd size from DT if start > end Sasha Levin
2022-10-18 0:10 ` [PATCH AUTOSEL 5.10 07/16] objtool,x86: Teach decode about LOOP* instructions Sasha Levin
2022-10-18 0:10 ` [PATCH AUTOSEL 5.10 08/16] gfs2: Check sb_bsize_shift after reading superblock Sasha Levin
2022-10-18 0:10 ` [PATCH AUTOSEL 5.10 09/16] powerpc/64: don't refer nr_cpu_ids in asm code when it's undefined Sasha Levin
2022-10-18 0:10 ` [PATCH AUTOSEL 5.10 10/16] m68knommu: fix non-specific 68328 choice interrupt build failure Sasha Levin
2022-10-18 0:10 ` [PATCH AUTOSEL 5.10 11/16] m68knommu: fix non-mmu classic 68000 legacy timer tick selection Sasha Levin
2022-10-18 0:10 ` [PATCH AUTOSEL 5.10 12/16] of: Fix "dma-ranges" handling for bus controllers Sasha Levin
2022-10-20 13:19 ` Rob Herring
2022-10-18 0:10 ` [PATCH AUTOSEL 5.10 13/16] kmsan: disable physical page merging in biovec Sasha Levin
2022-10-18 9:34 ` Pavel Machek [this message]
2022-10-18 0:10 ` [PATCH AUTOSEL 5.10 14/16] 9p: trans_fd/p9_conn_cancel: drop client lock earlier Sasha Levin
2022-10-18 0:10 ` [PATCH AUTOSEL 5.10 15/16] 9p/trans_fd: always use O_NONBLOCK read/write Sasha Levin
2022-10-18 0:10 ` [PATCH AUTOSEL 5.10 16/16] virtio_pci: don't try to use intxif pin is zero Sasha Levin
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