linux-kernel - Re: [PATCH] livepatch: RCU protect struct klp_func all the time when used in klp_ftrace

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-prev] [day] [month] [year] [list]

Date:	Sun, 22 Feb 2015 23:03:47 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Petr Mladek <pmladek@...e.cz>
cc:	jpoimboe@...hat.com, sjenning@...hat.com, vojtech@...e.cz,
	masami.hiramatsu.pt@...achi.com, mbenes@...e.cz,
	live-patching@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] livepatch: RCU protect struct klp_func all the time when
 used in klp_ftrace_handler()

On Wed, 18 Feb 2015, Petr Mladek wrote:

> func->new_func has been accessed after rcu_read_unlock() in klp_ftrace_handler()
> and therefore the access was not protected.
> 
> Signed-off-by: Petr Mladek <pmladek@...e.cz>

Applied to for-3.20/upstream-fixes, thanks.

-- 
Jiri Kosina
SUSE Labs
--
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/