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From: catalin.marinas@arm.com (Catalin Marinas)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] ARM64: check stack pointer in get_wchan
Date: Tue, 17 Dec 2013 18:12:29 +0000	[thread overview]
Message-ID: <20131217181228.GT32118@arm.com> (raw)
In-Reply-To: <20131205133010.16410.96824.stgit@buzz>

On Thu, Dec 05, 2013 at 01:30:10PM +0000, Konstantin Khlebnikov wrote:
> get_wchan() is lockless. Task may wakeup at any time and change its own stack,
> thus each next stack frame may be overwritten and filled with random stuff.
> 
> Signed-off-by: Konstantin Khlebnikov <k.khlebnikov@samsung.com>

Thanks. Applied (both patches).

-- 
Catalin

WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Konstantin Khlebnikov <k.khlebnikov@samsung.com>
Cc: Will Deacon <Will.Deacon@arm.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 1/2] ARM64: check stack pointer in get_wchan
Date: Tue, 17 Dec 2013 18:12:29 +0000	[thread overview]
Message-ID: <20131217181228.GT32118@arm.com> (raw)
In-Reply-To: <20131205133010.16410.96824.stgit@buzz>

On Thu, Dec 05, 2013 at 01:30:10PM +0000, Konstantin Khlebnikov wrote:
> get_wchan() is lockless. Task may wakeup at any time and change its own stack,
> thus each next stack frame may be overwritten and filled with random stuff.
> 
> Signed-off-by: Konstantin Khlebnikov <k.khlebnikov@samsung.com>

Thanks. Applied (both patches).

-- 
Catalin

  parent reply	other threads:[~2013-12-17 18:12 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-05 13:30 [PATCH 1/2] ARM64: check stack pointer in get_wchan Konstantin Khlebnikov
2013-12-05 13:30 ` Konstantin Khlebnikov
2013-12-05 13:30 ` [PATCH 2/2] ARM64: fix framepointer check in unwind_frame Konstantin Khlebnikov
2013-12-05 13:30   ` Konstantin Khlebnikov
2013-12-17 18:12 ` Catalin Marinas [this message]
2013-12-17 18:12   ` [PATCH 1/2] ARM64: check stack pointer in get_wchan Catalin Marinas

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