From 26920dd2da79a3207803da9453c0e6c82ac968ca Mon Sep 17 00:00:00 2001 From: Konstantin Khlebnikov Date: Thu, 5 Dec 2013 13:30:16 +0000 Subject: [PATCH] ARM64: fix framepointer check in unwind_frame We need at least 24 bytes above frame pointer. Signed-off-by: Konstantin Khlebnikov Signed-off-by: Catalin Marinas --- 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 d25459ff57fc..c3b6c63ea5fb 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; -- 2.34.1