Messages in this thread Patch in this message | | | Subject | [PATCH 2/2] ARM64: fix framepointer check in unwind_frame | From | Konstantin Khlebnikov <> | Date | Thu, 05 Dec 2013 17:30:16 +0400 |
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We need at least 24 bytes above frame pointer.
Signed-off-by: Konstantin Khlebnikov <k.khlebnikov@samsung.com> --- arch/arm64/kernel/stacktrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c index d25459f..c3b6c63 100644 --- a/arch/arm64/kernel/stacktrace.c +++ b/arch/arm64/kernel/stacktrace.c @@ -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;
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