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| author |   Nathan Lynch <nathan_lynch@mentor.com> | 2014-09-22 22:12:35 +0100 |
|---|---|---|
| committer |   Russell King <rmk+kernel@arm.linux.org.uk> | 2014-09-26 14:40:01 +0100 |
| commit | 389522b0c0530658eb9f9a53410ec2494616d785 (patch) | |
| tree | 3396e343bf52ab5170d6dda500e053cfde8373c6 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | ARM: 8154/1: use _install_special_mapping for sigpage (diff) | |
| download | wireguard-linux-389522b0c0530658eb9f9a53410ec2494616d785.tar.xz wireguard-linux-389522b0c0530658eb9f9a53410ec2494616d785.zip | |
ARM: 8155/1: place sigpage at a random offset above stack
The sigpage is currently placed alongside shared libraries etc in the
address space. Similar to what x86_64 does for its VDSO, place the
sigpage at a randomized offset above the stack so that learning the
base address of the sigpage doesn't help expose where shared libraries
are loaded in the address space (and vice versa).
Signed-off-by: Nathan Lynch <nathan_lynch@mentor.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions