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ARM64: fix framepointer check in unwind_frame 

We need at least 24 bytes above frame pointer.

Signed-off-by: Konstantin Khlebnikov <k.khlebnikov@samsung.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Konstantin Khlebnikov 2013-12-05 13:30:16 +00:00 committed by Catalin Marinas
parent 408c3658b0
commit 26920dd2da
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/kernel/stacktrace.c
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@ -43,7 +43,7 @@ int unwind_frame(struct stackframe *frame)
low = frame->sp;
high = ALIGN(low, THREAD_SIZE);
if (fp < low || fp > high || fp & 0xf)
if (fp < low || fp > high - 0x18 || fp & 0xf)
return -EINVAL;
frame->sp = fp + 0x10;