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-rw-r--r--arch/x86/kernel/irq_64.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index acf8fbf8fbd..69bca468c47 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -38,6 +38,9 @@ static inline void stack_overflow_check(struct pt_regs *regs)
38#ifdef CONFIG_DEBUG_STACKOVERFLOW 38#ifdef CONFIG_DEBUG_STACKOVERFLOW
39 u64 curbase = (u64)task_stack_page(current); 39 u64 curbase = (u64)task_stack_page(current);
40 40
41 if (user_mode_vm(regs))
42 return;
43
41 WARN_ONCE(regs->sp >= curbase && 44 WARN_ONCE(regs->sp >= curbase &&
42 regs->sp <= curbase + THREAD_SIZE && 45 regs->sp <= curbase + THREAD_SIZE &&
43 regs->sp < curbase + sizeof(struct thread_info) + 46 regs->sp < curbase + sizeof(struct thread_info) +