From: Amit Pundir <amit.pundir@linaro.org>
To: Isaac Manjarres <isaacmanjarres@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Christoph Hellwig <hch@lst.de>,
Robin Murphy <robin.murphy@arm.com>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>,
Herbert Xu <herbert@gondor.apana.org.au>,
Ard Biesheuvel <ardb@kernel.org>,
Saravana Kannan <saravanak@google.com>,
Alasdair Kergon <agk@redhat.com>,
Daniel Vetter <daniel@ffwll.ch>, Joerg Roedel <joro@8bytes.org>,
Mark Brown <broonie@kernel.org>,
Mike Snitzer <snitzer@kernel.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Jonathan Cameron <jic23@kernel.org>,
Vlastimil Babka <vbabka@suse.cz>,
linux-mm@kvack.org, iommu@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
Linux regressions mailing list <regressions@lists.linux.dev>,
John Stultz <jstultz@google.com>
Subject: Re: [PATCH v7 00/17] mm, dma, arm64: Reduce ARCH_KMALLOC_MINALIGN to 8
Date: Wed, 12 Jul 2023 10:27:11 +0530 [thread overview]
Message-ID: <CAMi1Hd3KgZGJTae=fyq4HD3FTuNxNJAnmfyds12JFXenxUtXrw@mail.gmail.com> (raw)
In-Reply-To: <CABfwK138ZbE5=J66esO-VG64tO+e9n1cRRBAE3wOKygJxd_xbw@mail.gmail.com>
On Wed, 12 Jul 2023 at 01:14, Isaac Manjarres <isaacmanjarres@google.com> wrote:
>
> On Sat, Jul 8, 2023 at 6:03 AM Amit Pundir <amit.pundir@linaro.org> wrote:
> > Hi Issac, I can't reproduce this crash if I have slub_debug enabled
> > https://bugs.linaro.org/attachment.cgi?id=1149.
> >
> > But I can still reproduce the crash, with the same build, if I just
> > remove the slub_debug bootarg
> > https://bugs.linaro.org/attachment.cgi?id=1150
> >
>
> Hey Amit,
>
> Thanks for trying this out. John Stultz and I tried this out as well, and we
> couldn't reproduce the issue with slub_debug enabled either.
>
> However, we were able to reproduce the issue you reported along with
> KASAN enabled, which also helped us catch an out-of-bounds access
> in the regmap-irq code. Once we fixed it, the memory corruption you
> reported was also fixed. I've sent the patch [1] for review. Can you please
> test it out and see if it works for you too?
It does fix the v6.5-rc1 boot regression I reported above on
Dragonboard 845c running AOSP. Thank you.
Regards,
Amit Pundir
>
> [1]: https://lore.kernel.org/all/20230711193059.2480971-1-isaacmanjarres@google.com/
>
> Thanks,
> Isaac
next prev parent reply other threads:[~2023-07-12 5:05 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-12 15:31 [PATCH v7 00/17] mm, dma, arm64: Reduce ARCH_KMALLOC_MINALIGN to 8 Catalin Marinas
2023-06-12 15:31 ` [PATCH v7 01/17] mm/slab: Decouple ARCH_KMALLOC_MINALIGN from ARCH_DMA_MINALIGN Catalin Marinas
2023-06-13 9:46 ` Vlastimil Babka
2023-06-13 11:13 ` Catalin Marinas
2023-06-12 15:31 ` [PATCH v7 02/17] dma: Allow dma_get_cache_alignment() to be overridden by the arch code Catalin Marinas
2023-06-12 15:31 ` [PATCH v7 03/17] mm/slab: Simplify create_kmalloc_cache() args and make it static Catalin Marinas
2023-06-12 15:31 ` [PATCH v7 04/17] mm/slab: Limit kmalloc() minimum alignment to dma_get_cache_alignment() Catalin Marinas
2023-06-12 15:31 ` [PATCH v7 05/17] drivers/base: Use ARCH_DMA_MINALIGN instead of ARCH_KMALLOC_MINALIGN Catalin Marinas
2023-06-12 15:31 ` [PATCH v7 06/17] drivers/gpu: " Catalin Marinas
2023-06-12 15:31 ` [PATCH v7 07/17] drivers/usb: " Catalin Marinas
2023-06-12 15:31 ` [PATCH v7 08/17] drivers/spi: " Catalin Marinas
2023-06-12 15:31 ` [PATCH v7 09/17] dm-crypt: " Catalin Marinas
2023-06-12 15:31 ` [PATCH v7 10/17] iio: core: " Catalin Marinas
2023-06-12 15:31 ` [PATCH v7 11/17] arm64: Allow kmalloc() caches aligned to the smaller cache_line_size() Catalin Marinas
2023-06-12 15:31 ` [PATCH v7 12/17] scatterlist: Add dedicated config for DMA flags Catalin Marinas
2023-06-12 15:31 ` [PATCH v7 13/17] dma-mapping: Name SG DMA flag helpers consistently Catalin Marinas
2023-06-12 15:31 ` [PATCH v7 14/17] dma-mapping: Force bouncing if the kmalloc() size is not cache-line-aligned Catalin Marinas
2023-06-12 15:31 ` [PATCH v7 15/17] iommu/dma: Force bouncing if the size is not cacheline-aligned Catalin Marinas
2023-06-12 15:32 ` [PATCH v7 16/17] mm: slab: Reduce the kmalloc() minimum alignment if DMA bouncing possible Catalin Marinas
2023-06-12 15:32 ` [PATCH v7 17/17] arm64: Enable ARCH_WANT_KMALLOC_DMA_BOUNCE for arm64 Catalin Marinas
2023-07-05 13:40 ` [PATCH v7 00/17] mm, dma, arm64: Reduce ARCH_KMALLOC_MINALIGN to 8 Amit Pundir
2023-07-07 0:41 ` Isaac Manjarres
2023-07-08 13:02 ` Amit Pundir
2023-07-11 19:44 ` Isaac Manjarres
2023-07-12 4:57 ` Amit Pundir [this message]
2023-07-09 3:27 ` Catalin Marinas
2025-03-28 16:41 ` John Ernberg
2025-03-28 19:38 ` Frank Li
2025-03-31 8:02 ` John Ernberg
2025-03-31 16:21 ` Frank Li
2025-04-01 12:56 ` John Ernberg
2025-04-01 16:43 ` Catalin Marinas
2025-04-02 10:35 ` John Ernberg
2025-05-02 12:02 ` John Ernberg
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAMi1Hd3KgZGJTae=fyq4HD3FTuNxNJAnmfyds12JFXenxUtXrw@mail.gmail.com' \
--to=amit.pundir@linaro.org \
--cc=agk@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=ardb@kernel.org \
--cc=arnd@arndb.de \
--cc=broonie@kernel.org \
--cc=catalin.marinas@arm.com \
--cc=daniel@ffwll.ch \
--cc=gregkh@linuxfoundation.org \
--cc=hch@lst.de \
--cc=herbert@gondor.apana.org.au \
--cc=iommu@lists.linux.dev \
--cc=isaacmanjarres@google.com \
--cc=jic23@kernel.org \
--cc=joro@8bytes.org \
--cc=jstultz@google.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-mm@kvack.org \
--cc=maz@kernel.org \
--cc=rafael@kernel.org \
--cc=regressions@lists.linux.dev \
--cc=robin.murphy@arm.com \
--cc=saravanak@google.com \
--cc=snitzer@kernel.org \
--cc=torvalds@linux-foundation.org \
--cc=vbabka@suse.cz \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).