Lines Matching full:stack

3  * This code fills the used part of the kernel stack with a poison value
9  * STACKLEAK reduces the information which kernel stack leak bugs can
10  * reveal and blocks some uninitialized stack variable attacks.
44 	pr_warn("stackleak: kernel stack erasing is %s\n",  in stack_erasing_sysctl()
99 	 * Write poison to the task's stack between 'erase_low' and  in __stackleak_erase()
102 	 * If we're running on a different stack (e.g. an entry trampoline  in __stackleak_erase()
103 	 * stack) we can erase everything below the pt_regs at the top of the  in __stackleak_erase()
104 	 * task stack.  in __stackleak_erase()
106 	 * If we're running on the task stack itself, we must not clobber any  in __stackleak_erase()
107 	 * stack used by this function and its caller. We assume that this  in __stackleak_erase()
108 	 * function has a fixed-size stack frame, and the current stack pointer  in __stackleak_erase()
123  * Erase and poison the portion of the task stack used since the last erase.
124  * Can be called from the task stack or an entry stack when the task stack is
136  * Erase and poison the portion of the task stack used since the last erase.
137  * Can only be called from the task stack.
148  * Erase and poison the portion of the task stack used since the last erase.
149  * Can only be called from a stack other than the task stack.