diff options
Diffstat (limited to 'arch/x86/kernel/dumpstack_64.c')
| -rw-r--r-- | arch/x86/kernel/dumpstack_64.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c index 41813abc7380..2e708afe146d 100644 --- a/arch/x86/kernel/dumpstack_64.c +++ b/arch/x86/kernel/dumpstack_64.c @@ -90,7 +90,11 @@ static bool in_irq_stack(unsigned long *stack, struct stack_info *info) unsigned long *end = (unsigned long *)this_cpu_read(irq_stack_ptr); unsigned long *begin = end - (IRQ_STACK_SIZE / sizeof(long)); - if (stack < begin || stack >= end) + /* + * This is a software stack, so 'end' can be a valid stack pointer. + * It just means the stack is empty. + */ + if (stack < begin || stack > end) return false; info->type = STACK_TYPE_IRQ; |