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authorKonstantin Khlebnikov <k.khlebnikov@samsung.com>2013-12-05 17:30:16 +0400
committerCatalin Marinas <catalin.marinas@arm.com>2013-12-19 21:43:10 +0400
commit26920dd2da79a3207803da9453c0e6c82ac968ca (patch)
tree303ede9453ed3860d3dc02c909c671197ef7a20c /arch/arm64
parent408c3658b0d49315974ce8b5aed385c8e1527595 (diff)
downloadlinux-26920dd2da79a3207803da9453c0e6c82ac968ca.tar.xz
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>
Diffstat (limited to 'arch/arm64')
-rw-r--r--arch/arm64/kernel/stacktrace.c2
1 files changed, 1 insertions, 1 deletions
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;