linux-kernel - apparmor: double lock

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Sat, 04 Sep 2010 13:57:13 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	John Johansen <john.johansen@...onical.com>
CC:	James Morris <jmorris@...ei.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: apparmor: double lock

Hi,

stanse found that you possibly double lock ns->lock:
aa_remove_profiles
  -> write_lock(&ns->lock)
  -> __remove_namespace(ns)
    -> destroy_namespace(ns)
      -> write_lock(&ns->lock)

Could you fix that if that may happen at all?

regards,
-- 
js
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/