diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c index 8657c739656a37bbcef81cb36accb486902cf5d1..b741c3e1a5ebd49501dc2e3a100dd68549863b52 100644 --- a/arch/i386/kernel/process.c +++ b/arch/i386/kernel/process.c @@ -37,6 +37,7 @@ #include <linux/kallsyms.h> #include <linux/ptrace.h> #include <linux/random.h> +#include <linux/personality.h> #include <asm/uaccess.h> #include <asm/pgtable.h> @@ -905,7 +906,7 @@ asmlinkage int sys_get_thread_area(struct user_desc __user *u_info) unsigned long arch_align_stack(unsigned long sp) { - if (randomize_va_space) + if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) sp -= get_random_int() % 8192; return sp & ~0xf; } diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c index 6e0527635b4c3db8ada619c67cf8b7bd8315eefd..6fbd19564e4ecc9f0896753fe415ea96ff4757f1 100644 --- a/arch/x86_64/kernel/process.c +++ b/arch/x86_64/kernel/process.c @@ -845,7 +845,7 @@ int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs) unsigned long arch_align_stack(unsigned long sp) { - if (randomize_va_space) + if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) sp -= get_random_int() % 8192; return sp & ~0xf; } diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 672a3b90bc556628874d5ab1494b654dc486a74b..5109dbff93bfc76081da30d79d0d09a750c001c6 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -515,7 +515,8 @@ static unsigned long randomize_stack_top(unsigned long stack_top) { unsigned int random_variable = 0; - if (current->flags & PF_RANDOMIZE) { + if ((current->flags & PF_RANDOMIZE) && + !(current->personality & ADDR_NO_RANDOMIZE)) { random_variable = get_random_int() & STACK_RND_MASK; random_variable <<= PAGE_SHIFT; }