From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
linux-mm@kvack.org, Catalin Marinas <catalin.marinas@arm.com>
Subject: Re: [BUG -tip] kmemleak and stacktrace cause page faul
Date: Wed, 23 Oct 2019 16:53:20 +0300 [thread overview]
Message-ID: <20191023135320.GJ12121@uranus.lan> (raw)
In-Reply-To: <alpine.DEB.2.21.1910231533180.2308@nanos.tec.linutronix.de>
On Wed, Oct 23, 2019 at 03:47:57PM +0200, Thomas Gleixner wrote:
>
> And you are right this happens because cea_exception_stacks is not yet
> initialized which makes begin = 0 and therefore point into nirvana.
>
> So the fix is trivial.
Great! Thanks a lot for sych detailed analysis! I'll test the patch.
next prev parent reply other threads:[~2019-10-23 13:53 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-19 11:44 [BUG -tip] kmemleak and stacktrace cause page faul Cyrill Gorcunov
2019-10-22 14:23 ` Cyrill Gorcunov
2019-10-22 14:56 ` Cyrill Gorcunov
2019-10-23 13:21 ` Thomas Gleixner
2019-10-23 13:32 ` Cyrill Gorcunov
2019-10-23 13:38 ` Thomas Gleixner
2019-10-23 13:44 ` Cyrill Gorcunov
2019-10-23 13:47 ` Thomas Gleixner
2019-10-23 13:53 ` Cyrill Gorcunov [this message]
2019-10-23 13:59 ` Cyrill Gorcunov
2019-10-23 18:05 ` [PATCH] x86/dumpstack/64: Don't evaluate exception stacks before setup Thomas Gleixner
2019-10-23 18:31 ` Matthew Wilcox
2019-10-23 18:43 ` Cyrill Gorcunov
2019-10-23 21:27 ` Thomas Gleixner
2019-10-23 19:17 ` Josh Poimboeuf
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