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authorHelge Deller <deller@gmx.de>2016-10-16 00:02:27 +0200
committerHelge Deller <deller@gmx.de>2016-12-12 22:21:21 +0100
commit18d98a79382cbe5a7569788d5b7b18e7015506f2 (patch)
treebf5d3b90523528747e7a5d67bc9086c288a94ad5 /arch/parisc/kernel/process.c
parent69973b830859bc6529a7a0468ba0d80ee5117826 (diff)
parisc: Enable KASLR
Add missing code for userspace executable address randomization, e.g. applications compiled with the gcc -pie option. Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc/kernel/process.c')
-rw-r--r--arch/parisc/kernel/process.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index 40639439d8b3..ea6603ee8d24 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -276,11 +276,7 @@ void *dereference_function_descriptor(void *ptr)
static inline unsigned long brk_rnd(void)
{
- /* 8MB for 32bit, 1GB for 64bit */
- if (is_32bit_task())
- return (get_random_int() & 0x7ffUL) << PAGE_SHIFT;
- else
- return (get_random_int() & 0x3ffffUL) << PAGE_SHIFT;
+ return (get_random_int() & BRK_RND_MASK) << PAGE_SHIFT;
}
unsigned long arch_randomize_brk(struct mm_struct *mm)