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b10bca0bc6
linux/arch/arm
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Will Deacon b10bca0bc6 ARM: 7595/1: syscall: rework ordering in syscall_trace_exit 
syscall_trace_exit is currently doing things back-to-front; invoking
the audit hook *after* signalling the debugger, which presents an
opportunity for the registers to be re-written by userspace in order to
bypass auditing constaints.

This patch fixes the ordering by moving the audit code first and the
tracehook code last. On the face of it, it looks like
current_thread_info()->syscall may be incorrect for the sys_exit
tracepoint, but that's actually not an issue because it will have been
set during syscall entry and cannot have changed since then.

Reported-by: Andrew Gabbasov <Andrew_Gabbasov@mentor.com>
Tested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-12-11 00:18:26 +00:00
..
boot Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm 2012-10-12 12:32:43 +09:00
common ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
configs UAPI Disintegration 2012-10-09 2012-10-09 15:04:25 +01:00
crypto arm/crypto: Add optimized AES and SHA1 routines 2012-09-07 04:17:02 +08:00
include ARM: 7578/1: arch/move secure_computing into trace 2012-11-19 14:14:17 +00:00
kernel ARM: 7595/1: syscall: rework ordering in syscall_trace_exit 2012-12-11 00:18:26 +00:00
lib Merge branch 'arch-timers' into for-linus 2012-10-04 23:02:26 +01:00
mach-at91 ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-bcm2835 ARM: dtb: move all dtb targets to common Makefile 2012-09-20 22:58:17 -07:00
mach-clps711x ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-cns3xxx
mach-davinci ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-dove Merge branch 'samsung_platform_data' into staging/for_v3.7 2012-10-05 22:32:05 -03:00
mach-ebsa110 ARM: soc: driver specific changes 2012-10-01 18:46:13 -07:00
mach-ep93xx ARM: soc: multiplatform enablement 2012-10-01 19:11:38 -07:00
mach-exynos ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-footbridge ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-gemini ARM: gemini: fix the gemini build 2012-09-04 22:17:34 -07:00
mach-h720x ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-highbank Merge branch 'for-v3.7' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping 2012-10-02 19:13:12 -07:00
mach-imx ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-integrator ARM: 7589/1: integrator: pass the lm resource to amba 2012-12-03 11:15:36 +00:00
mach-iop13xx Merge branch 'late/fixes' into fixes 2012-10-07 07:22:32 -07:00
mach-iop32x Merge branch 'cleanup/__iomem' into next/cleanup 2012-09-22 10:24:29 -07:00
mach-iop33x
mach-ixp4xx ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-kirkwood Merge branch 'samsung_platform_data' into staging/for_v3.7 2012-10-05 22:32:05 -03:00
mach-ks8695 Merge branch 'late/fixes' into fixes 2012-10-07 07:22:32 -07:00
mach-l7200/include/mach
mach-lpc32xx ARM: soc: multiplatform enablement 2012-10-01 19:11:38 -07:00
mach-mmp ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-msm ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-mv78xx0 Merge branch 'late/fixes' into fixes 2012-10-07 07:22:32 -07:00
mach-mvebu ARM: mvebu: fix build breaks from multi-platform conversion 2012-09-28 22:27:07 +02:00
mach-mxs ARM: soc: multiplatform enablement 2012-10-01 19:11:38 -07:00
mach-netx ARM: netx: move platform_data definitions 2012-09-14 11:17:36 +02:00
mach-nomadik ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-omap1 ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-omap2 ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-orion5x ARM: soc: late platform updates 2012-10-07 20:55:16 +09:00
mach-picoxcell ARM: initial multiplatform support 2012-09-14 09:22:06 -05:00
mach-prima2 ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-pxa ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-realview ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-rpc ARM: rpc: check device_register return code in ecard_probe 2012-10-07 10:33:09 +02:00
mach-s3c24xx ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-s3c64xx ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-s3c2410
mach-s3c2412 ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-s3c2440 ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-s5p64x0 ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-s5pc100 ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-s5pv210 ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-sa1100 ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-shark Merge branch 'late/fixes' into fixes 2012-10-07 07:22:32 -07:00
mach-shmobile ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-socfpga ARM: initial multiplatform support 2012-09-14 09:22:06 -05:00
mach-spear3xx ARM: move all dtb targets out of Makefile.boot 2012-09-14 09:22:04 -05:00
mach-spear6xx ARM: move all dtb targets out of Makefile.boot 2012-09-14 09:22:04 -05:00
mach-spear13xx Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2012-10-10 11:10:41 +09:00
mach-tegra ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-u300 ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-ux500 ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-versatile ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
mach-vexpress Features: 2012-10-07 07:13:01 +09:00
mach-vt8500 arm: vt8500: Fix build warning in uncompress.h 2012-10-07 14:50:06 -07:00
mach-w90x900 ARM: w90x900: move platform_data definitions 2012-09-14 11:18:59 +02:00
mach-zynq
mm ARM: 7573/1: idmap: use flush_cache_louis() and flush TLBs only when necessary 2012-11-13 11:47:41 +00:00
net
nwfpe
oprofile
plat-iop Bunch of perf updates for the ARM backend that pave the way for 2012-09-04 22:12:41 -07:00
plat-mxc ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
plat-nomadik ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
plat-omap ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
plat-orion Merge branch 'samsung_platform_data' into staging/for_v3.7 2012-10-05 22:32:05 -03:00
plat-pxa ARM: pxa: move platform_data definitions 2012-09-14 11:18:10 +02:00
plat-s3c24xx ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
plat-samsung ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
plat-spear ARM: config: sort select statements alphanumerically 2012-10-13 17:11:28 +01:00
plat-versatile Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm 2012-10-07 21:20:57 +09:00
tools ARM: soc: cleanups, part 2 2012-10-01 18:32:45 -07:00
vfp
xen
Kconfig ARM: 7593/1: nommu: do not enable DCACHE_WORD_ACCESS when !CONFIG_MMU 2012-12-07 11:49:06 +00:00
Kconfig-nommu
Kconfig.debug ARM: soc: multiplatform enablement 2012-10-01 19:11:38 -07:00
Makefile ARM: 7592/1: nommu: prevent generation of kernel unaligned memory accesses 2012-12-07 11:48:57 +00:00