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| author | Lee Jones <lee.jones@linaro.org> | 2012-01-12 12:50:11 +0000 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2012-01-12 12:50:11 +0000 |
| commit | 72108d578689febd3579bf16be470328ded6c6d9 (patch) | |
| tree | cc36ad5306ce823f8e98956c8f048f48017be3cc /fs/binfmt_elf.c | |
| parent | 330f78a83c1f47055427e10a68733af77b2cbac8 (diff) | |
| parent | 2150f72fe35397cc6d6ce39866bd0462cfbcc916 (diff) | |
Automatically merging tracking-igloo_kernel-other into merging-stable-linaro-ux500-3.1stable-linaro-ux500-3.1
Conflicting files:
Diffstat (limited to 'fs/binfmt_elf.c')
| -rw-r--r-- | fs/binfmt_elf.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index dd0fdfc56d3..21ac5ee4b43 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 |