linux/arch/arm64
Mark Rutland 1d08a044cf arm64: fix CONFIG_DEBUG_WX address reporting
In ptdump_check_wx(), we pass walk_pgd() a start address of 0 (rather
than VA_START) for the init_mm. This means that any reported W&X
addresses are offset by VA_START, which is clearly wrong and can make
them appear like userspace addresses.

Fix this by telling the ptdump code that we're walking init_mm starting
at VA_START. We don't need to update the addr_markers, since these are
still valid bounds regardless.

Cc: <stable@vger.kernel.org>
Fixes: 1404d6f13e ("arm64: dump: Add checking for writable and exectuable pages")
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Laura Abbott <labbott@redhat.com>
Reported-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2017-12-14 10:18:23 +00:00
..
boot Amlogic fixes for v4.15-rc 2017-12-09 20:23:29 -08:00
configs arm64: defconfig: enable CONFIG_GPIO_UNIPHIER 2017-10-30 14:41:54 +01:00
crypto License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
include arm64: Add software workaround for Falkor erratum 1041 2017-12-12 11:45:19 +00:00
kernel arm64: hw_breakpoint: Use linux/uaccess.h instead of asm/uaccess.h 2017-12-12 11:53:26 +00:00
kvm arm64: Add software workaround for Falkor erratum 1041 2017-12-12 11:45:19 +00:00
lib arm64 updates for 4.15 2017-11-15 10:56:56 -08:00
mm arm64: fix CONFIG_DEBUG_WX address reporting 2017-12-14 10:18:23 +00:00
net bpf, arm64: implement jiting of BPF_J{LT, LE, SLT, SLE} 2017-08-09 16:53:56 -07:00
xen
Kconfig arm64: Add software workaround for Falkor erratum 1041 2017-12-12 11:45:19 +00:00
Kconfig.debug arm64: relocation testing module 2017-04-04 17:03:32 +01:00
Kconfig.platforms ARM: SoC driver updates for v4.15 2017-11-16 16:05:01 -08:00
Makefile arm64: ftrace: emit ftrace-mod.o contents through code 2017-12-01 13:04:59 +00:00