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Date: Thu, 05 Dec 2013 17:30:16 +0400 From: Konstantin Khlebnikov <k.khlebnikov@...sung.com> To: Catalin Marinas <catalin.marinas@....com>, Will Deacon <will.deacon@....com>, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Subject: [PATCH 2/2] ARM64: fix framepointer check in unwind_frame We need at least 24 bytes above frame pointer. Signed-off-by: Konstantin Khlebnikov <k.khlebnikov@...sung.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; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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