diff options
-rw-r--r-- | kernel/trace/trace_stack.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c index e6be585cf06a..21b320e5d163 100644 --- a/kernel/trace/trace_stack.c +++ b/kernel/trace/trace_stack.c @@ -13,6 +13,7 @@ #include <linux/sysctl.h> #include <linux/init.h> #include <linux/fs.h> +#include <linux/magic.h> #include <asm/setup.h> @@ -144,6 +145,8 @@ check_stack(unsigned long ip, unsigned long *stack) i++; } + BUG_ON(current != &init_task && + *(end_of_stack(current)) != STACK_END_MAGIC); out: arch_spin_unlock(&max_stack_lock); local_irq_restore(flags); |