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-rw-r--r--arch/x86/kernel/dumpstack_32.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c
index 2d65cfa5e0b4..122f37d7bb7e 100644
--- a/arch/x86/kernel/dumpstack_32.c
+++ b/arch/x86/kernel/dumpstack_32.c
@@ -163,6 +163,9 @@ show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs,
unsigned long *stack;
int i;
+ if (!try_get_task_stack(task))
+ return;
+
sp = sp ? : get_stack_pointer(task, regs);
stack = sp;
@@ -179,6 +182,8 @@ show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs,
}
pr_cont("\n");
show_trace_log_lvl(task, regs, sp, bp, log_lvl);
+
+ put_task_stack(task);
}