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-rw-r--r--arch/x86/kernel/dumpstack_64.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c
index e71c98d3c0d2..788295cbe4a7 100644
--- a/arch/x86/kernel/dumpstack_64.c
+++ b/arch/x86/kernel/dumpstack_64.c
@@ -155,9 +155,12 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
task = current;
if (!stack) {
- stack = &dummy;
- if (task && task != current)
+ if (regs)
+ stack = (unsigned long *)regs->sp;
+ else if (task && task != current)
stack = (unsigned long *)task->thread.sp;
+ else
+ stack = &dummy;
}
if (!bp)
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