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Open Source and information security mailing list archives
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Date: Sat, 4 Jan 2014 13:48:19 -0500 From: John David Anglin <dave.anglin@...l.net> To: Mikulas Patocka <mpatocka@...hat.com> CC: Joonsoo Kim <iamjoonsoo.kim@....com>, Andi Kleen <ak@...ux.intel.com>, Christoph Lameter <cl@...ux.com>, Pekka Enberg <penberg@....fi>, linux-kernel@...r.kernel.org, linux-parisc@...r.kernel.org Subject: Re: [PATCH] fix crash when using XFS on loopback On 4-Jan-14, at 12:45 PM, Mikulas Patocka wrote: > * flush_dcache_page asks for the list of userspace mappings, however > that > page->mapping field is reused by the slab subsystem for a different > purpose. This causes the crash. I'd noticed the other day that the parisc implementation of flush_dcache_page() should return if "!mapping || mapping != page->mapping" is true. This would have avoided crash. Dave -- John David Anglin dave.anglin@...l.net -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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