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ARM: 8012/1: kdump: Avoid overflow when converting pfn to physaddr
authorLiu Hua <sdu.liu@huawei.com>
Thu, 27 Mar 2014 05:56:18 +0000 (06:56 +0100)
committerBen Hutchings <ben@decadent.org.uk>
Fri, 11 Jul 2014 12:33:59 +0000 (13:33 +0100)
commit 8fad87bca7ac9737e413ba5f1656f1114a8c314d upstream.

When we configure CONFIG_ARM_LPAE=y, pfn << PAGE_SHIFT will
overflow if pfn >= 0x100000 in copy_oldmem_page.
So use __pfn_to_phys for converting.

Signed-off-by: Liu Hua <sdu.liu@huawei.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
arch/arm/kernel/crash_dump.c patch | blob | history

diff --cc arch/arm/kernel/crash_dump.c
Simple merge
Pandora Kernel Repository