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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-09-07 17:16:54 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-10-01 16:41:10 +0100 |
| commit | 8ec53663d2698076468b3e1edc4e1b418bd54de3 (patch) | |
| tree | d98f0ac21ec96be15aab1b05d3d6e2f60a657815 /arch/arm/kernel/module.c | |
| parent | 5ec9407dd1196daaf12b427b351e2cd62d2a16a7 (diff) | |
| download | linux-8ec53663d2698076468b3e1edc4e1b418bd54de3.tar.gz linux-8ec53663d2698076468b3e1edc4e1b418bd54de3.tar.bz2 linux-8ec53663d2698076468b3e1edc4e1b418bd54de3.zip | |
[ARM] Improve non-executable support
Add support for detecting non-executable stack binaries, and adjust
permissions to prevent execution from data and stack areas. Also,
ensure that READ_IMPLIES_EXEC is enabled for older CPUs where that
is true, and for any executable-stack binary.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/module.c')
| -rw-r--r-- | arch/arm/kernel/module.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index a68259a0cccd..9203ba7d58ee 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -47,7 +47,7 @@ void *module_alloc(unsigned long size) if (!area) return NULL; - return __vmalloc_area(area, GFP_KERNEL, PAGE_KERNEL); + return __vmalloc_area(area, GFP_KERNEL, PAGE_KERNEL_EXEC); } #else /* CONFIG_MMU */ void *module_alloc(unsigned long size) |