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From: Andrey Konovalov <andreyknvl@gmail.com>
To: kernel test robot <oliver.sang@intel.com>
Cc: Andrey Konovalov <andreyknvl@google.com>,
	oe-lkp@lists.linux.dev, lkp@intel.com,
	 Linux Memory Management List <linux-mm@kvack.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	 Marco Elver <elver@google.com>,
	Alexander Potapenko <glider@google.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	 Evgenii Stepanov <eugenis@google.com>,
	Oscar Salvador <osalvador@suse.de>,
	Vlastimil Babka <vbabka@suse.cz>,
	 kasan-dev@googlegroups.com
Subject: Re: [linux-next:master] [kasan] 0e8b630f30: BUG_kmem_cache_node(Tainted:G_T):Poison_overwritten
Date: Thu, 23 Nov 2023 17:04:39 +0100	[thread overview]
Message-ID: <CA+fCnZd2JKZP43UJLciKOx2pRVwWDEUJZ0ik_BYC5atnwUGSfg@mail.gmail.com> (raw)
In-Reply-To: <202311231356.1e1fb71f-oliver.sang@intel.com>

On Thu, Nov 23, 2023 at 7:19 AM kernel test robot <oliver.sang@intel.com> wrote:
>
> kernel test robot noticed "BUG_kmem_cache_node(Tainted:G_T):Poison_overwritten" on:
>
> commit: 0e8b630f3053f0ff84b7c3ab8ff98a7393863824 ("kasan: use stack_depot_put for Generic mode")
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
>
> [test failed on linux-next/master 07b677953b9dca02928be323e2db853511305fa9]
>
> in testcase: boot
>
> compiler: clang-16
> test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
>
> (please refer to attached dmesg/kmsg for entire log/backtrace)
>
>
> +--------------------------------------------------------------+------------+------------+
> |                                                              | 882f84db75 | 0e8b630f30 |
> +--------------------------------------------------------------+------------+------------+
> | BUG_kmem_cache_node(Tainted:G_T):Poison_overwritten          | 0          | 55         |
> | BUG_kmem_cache_node(Tainted:G_B_T):Poison_overwritten        | 0          | 55         |
> +--------------------------------------------------------------+------------+------------+

This should be fixed by "slub, kasan: improve interaction of KASAN and
slub_debug poisoning" and the most recent version of "kasan: Improve
free meta storage in Generic KASAN".


      reply	other threads:[~2023-11-23 16:04 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-23  6:19 kernel test robot
2023-11-23 16:04 ` Andrey Konovalov [this message]

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