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From: Matthew Wilcox <willy@infradead•org>
To: Naresh Kamboju <naresh.kamboju@linaro•org>
Cc: linux-mm <linux-mm@kvack•org>,
	Linux-Next Mailing List <linux-next@vger•kernel.org>,
	open list <linux-kernel@vger•kernel.org>,
	lkft-triage@lists•linaro.org,
	Andrew Morton <akpm@linux-foundation•org>,
	LTP List <ltp@lists•linux.it>,
	Russell King - ARM Linux <linux@armlinux•org.uk>,
	Arnd Bergmann <arnd@arndb•de>, Mike Rapoport <rppt@linux•ibm.com>,
	Stephen Rothwell <sfr@canb•auug.org.au>,
	Catalin Marinas <catalin.marinas@arm•com>,
	Christoph Hellwig <hch@lst•de>, Andy Lutomirski <luto@kernel•org>,
	Peter Xu <peterx@redhat•com>,
	opendmb@gmail•com, Linus Walleij <linus.walleij@linaro•org>,
	afzal.mohd.ma@gmail•com, Will Deacon <will@kernel•org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation•org>
Subject: Re: BUG: Bad page state in process true  pfn:a8fed on arm
Date: Mon, 24 Aug 2020 12:06:45 +0100	[thread overview]
Message-ID: <20200824110645.GC17456@casper.infradead.org> (raw)
In-Reply-To: <CA+G9fYt=oYWHEG6VNkfEh8+UxbReS6_+9hnz+1bOYZHj5j1F_Q@mail.gmail.com>

On Mon, Aug 24, 2020 at 03:14:55PM +0530, Naresh Kamboju wrote:
> [   67.545247] BUG: Bad page state in process true  pfn:a8fed
> [   67.550767] page:9640c0ab refcount:0 mapcount:-1024

Somebody freed a page table without calling __ClearPageTable() on it.


  parent reply	other threads:[~2020-08-24 11:06 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-24  9:44 BUG: Bad page state in process true pfn:a8fed on arm Naresh Kamboju
2020-08-24 10:16 ` Naresh Kamboju
2020-08-24 11:06 ` Matthew Wilcox [this message]
2020-08-25  7:33   ` Naresh Kamboju
2020-08-25  7:44     ` Stephen Rothwell
2020-08-25  8:31     ` Mike Rapoport
2020-08-25  8:53       ` Anders Roxell
2020-08-25 11:13         ` [PATCH] arm: __pmd_free_tlb(): call page table desctructor (Was: BUG: Bad page state in process true pfn:a8fed on arm) Mike Rapoport

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