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[PATCH] Check for end of stack trace before falling back

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Signed-off-by: Andi Kleen <ak@suse.de>
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Andi Kleen
2006-09-26 10:52:34 +02:00
committed by Andi Kleen
parent c0b766f13d
commit be7a91709b
1 changed files with 2 additions and 0 deletions
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2
arch/x86_64/kernel/traps.c
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@@ -292,6 +292,8 @@ void dump_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * s
if ((long)UNW_SP(&info) < 0) { if ((long)UNW_SP(&info) < 0) {
ops->warning(data, "Leftover inexact backtrace:\n"); ops->warning(data, "Leftover inexact backtrace:\n");
stack = (unsigned long *)UNW_SP(&info); stack = (unsigned long *)UNW_SP(&info);
if (!stack)
return;
} else } else
ops->warning(data, "Full inexact backtrace again:\n"); ops->warning(data, "Full inexact backtrace again:\n");
} else if (call_trace >= 1) } else if (call_trace >= 1)