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| author |   Konstantin Khlebnikov <k.khlebnikov@samsung.com> | 2013-12-05 13:30:16 +0000 |
|---|---|---|
| committer |   Catalin Marinas <catalin.marinas@arm.com> | 2013-12-19 17:43:10 +0000 |
| commit | 26920dd2da79a3207803da9453c0e6c82ac968ca (patch) | |
| tree | 303ede9453ed3860d3dc02c909c671197ef7a20c | |
| parent | ARM64: check stack pointer in get_wchan (diff) | |
| download | linux-dev-26920dd2da79a3207803da9453c0e6c82ac968ca.tar.xz linux-dev-26920dd2da79a3207803da9453c0e6c82ac968ca.zip | |
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>
| -rw-r--r-- | arch/arm64/kernel/stacktrace.c | 2 |
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; |