Re: [PATCH] arm64: disable KASAN for save_trace()

2018-11-13 Thread Mark Rutland
.com; will.dea...@arm.com; > > mpato...@redhat.com; alex.po...@linux.com; labb...@redhat.com; > > pan...@redhat.com; linux-kernel@vger.kernel.org; linux-arm- > > ker...@lists.infradead.org; zhizho...@gmail.com > > Subject: Re: [PATCH] arm64: disable KASAN for save_trace() >

RE: [PATCH] arm64: disable KASAN for save_trace()

2018-11-11 Thread 张治洲
...@redhat.com; linux-kernel@vger.kernel.org; linux-arm- > ker...@lists.infradead.org; zhizho...@gmail.com > Subject: Re: [PATCH] arm64: disable KASAN for save_trace() > > On Sun, Nov 11, 2018 at 08:07:16PM +0800, Zhizhou Zhang wrote: > > save_trace() which is called from walk_st

Re: [PATCH] arm64: disable KASAN for save_trace()

2018-11-11 Thread Mark Rutland
On Sun, Nov 11, 2018 at 08:07:16PM +0800, Zhizhou Zhang wrote: > save_trace() which is called from walk_stackframe() always try to > read/write caller's stack. This results KASAN stack-out-of-bounds > warning. So mute it. The save_trace() function should never perform an out-of-bounds access on th

[PATCH] arm64: disable KASAN for save_trace()

2018-11-10 Thread Zhizhou Zhang
save_trace() which is called from walk_stackframe() always try to read/write caller's stack. This results KASAN stack-out-of-bounds warning. So mute it. Signed-off-by: Zhizhou Zhang --- arch/arm64/kernel/stacktrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/