linux-kernel - Re: [PATCH] debugfs: fix double unlock in open_proxy

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Message-ID: <87pouzafk0.fsf@gmail.com>
Date:	Sat, 12 Mar 2016 16:20:31 +0100
From:	Nicolai Stange <nicstange@...il.com>
To:	Nicolai Stange <nicstange@...il.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] debugfs: fix double unlock in open_proxy_open()

Nicolai Stange <nicstange@...il.com> writes:

> In case an open is racing with a debugfs file removal, the corresponding
> error path in open_proxy_open() releases its SRCU read side critical
> section twice, i.e. it does a double unlock.


This one has been reported by Rasmus Villemoes:

  http://lkml.kernel.org/g/87d1r2uh95.fsf@rasmusvillemoes.dk


Thank you very much!

Nicolai