1 files changed, 5 insertions, 0 deletions

diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index 928a7e909619..42552b0dce6a 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -26,6 +26,8 @@ EXPORT_PER_CPU_SYMBOL(irq_stat);
 DEFINE_PER_CPU(struct pt_regs *, irq_regs);
 EXPORT_PER_CPU_SYMBOL(irq_regs);
 
+int sysctl_panic_on_stackoverflow;
+
 /*
  * Probabilistic stack overflow check:
  *
@@ -65,6 +67,9 @@ static inline void stack_overflow_check(struct pt_regs *regs)
                 current->comm, curbase, regs->sp,
                 irq_stack_top, irq_stack_bottom,
                 estack_top, estack_bottom);
+
+        if (sysctl_panic_on_stackoverflow)
+                panic("low stack detected by irq handler - check messages\n");
 #endif
 }