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authorKalle Valo <kvalo@qca.qualcomm.com>2011-12-16 21:10:39 +0200
committerKalle Valo <kvalo@qca.qualcomm.com>2011-12-16 21:10:39 +0200
commit7e95e365d5399647a41e10059e4b09826b82d78b (patch)
tree305c9968798adae3d9484657339fa39d2a5fdaac /fs/binfmt_elf.c
parent3ca9d1fc9aa64077645a26c396de9399b49ea226 (diff)
parent5bd5e9a6ae5137a61d0b5c277eac61892d89fc4f (diff)
Merge remote branch 'wireless-next/master' into ath6kl-next
Conflicts: drivers/net/wireless/ath/ath6kl/init.c
Diffstat (limited to 'fs/binfmt_elf.c')
-rw-r--r--fs/binfmt_elf.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index dd0fdfc56d38..21ac5ee4b43f 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -795,7 +795,16 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs)
* might try to exec. This is because the brk will
* follow the loader, and is not movable. */
#if defined(CONFIG_X86) || defined(CONFIG_ARM)
- load_bias = 0;
+ /* Memory randomization might have been switched off
+ * in runtime via sysctl.
+ * If that is the case, retain the original non-zero
+ * load_bias value in order to establish proper
+ * non-randomized mappings.
+ */
+ if (current->flags & PF_RANDOMIZE)
+ load_bias = 0;
+ else
+ load_bias = ELF_PAGESTART(ELF_ET_DYN_BASE - vaddr);
#else
load_bias = ELF_PAGESTART(ELF_ET_DYN_BASE - vaddr);
#endif