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Josh Boyer efbda86098 powerpc: Sanitize stack pointer in signal handling code ... On powerpc64 machines running 32-bit userspace, we can get garbage bits in the stack pointer passed into the kernel. Most places handle this correctly, but the signal handling code uses the passed value directly for allocating signal stack frames. This fixes the issue by introducing a get_clean_sp function that returns a sanitized stack pointer. For 32-bit tasks on a 64-bit kernel, the stack pointer is masked correctly. In all other cases, the stack pointer is simply returned. Additionally, we pass an 'is_32' parameter to get_sigframe now in order to get the properly sanitized stack. The callers are know to be 32 or 64-bit statically. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>		16 years ago
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alpha	cpumask: Use cpu_*_mask accessors code: alpha	16 years ago
arm	Merge master.kernel.org:/home/rmk/linux-2.6-arm	16 years ago
avr32	[ARM] 5400/1: Add support for inverted rdy_busy pin for Atmel nand device controller	16 years ago
blackfin	Blackfin arch: SPI_MMC is now mainlined MMC_SPI	16 years ago
cris	Merge branch 'syscalls' of git://git390.osdl.marist.edu/pub/scm/linux-2.6	16 years ago
frv	FRV: in_interrupt() requires #inclusion of linux/hardirq.h not asm/hardirq.h now	16 years ago
h8300	Merge branch 'syscalls' of git://git390.osdl.marist.edu/pub/scm/linux-2.6	16 years ago
ia64	[IA64] fix PCI DMA flag propagation on SN (Altix) with PICs	16 years ago
m32r	eeprom: More consistent symbol names	16 years ago
m68k	m68k: merge the non-MMU and MMU versions of siginfo.h	16 years ago
m68knommu	m68knommu: m528x build fix	16 years ago
mips	MIPS: Mark Eins: Fix configuration.	16 years ago
mn10300	mn10300: fix typo && -> || in arch/mn10300/unit-asb2305/pci.c	16 years ago
parisc	parisc: update defconfigs	16 years ago
powerpc	powerpc: Sanitize stack pointer in signal handling code	16 years ago
s390	[S390] make page table upgrade work again	16 years ago
sh	sh: Add media/soc_camera.h to board setup of Renesas AP325RXA	16 years ago
sparc	Merge branch 'master' of /home/davem/src/GIT/linux-2.6/	16 years ago
um	uml: fix WARNING: vmlinux: 'memcpy' exported twice	16 years ago
x86	Merge commit 'origin/master' into next	16 years ago
xtensa	xtensa: fix compilation somewhat	16 years ago
.gitignore	…
Kconfig	[CVE-2009-0029] System call wrapper infrastructure	16 years ago