linux-kernel - [PATCH] forgotten refcount on sysctl root table

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

Message-ID: <20080904160557.GT28946@ZenIV.linux.org.uk>
Date:	Thu, 4 Sep 2008 17:05:57 +0100
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Parisc List <linux-parisc@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH] forgotten refcount on sysctl root table

	We should've set refcount on the root sysctl table; otherwise we'll
blow up the first time we get down to zero dynamically registered sysctl
tables.

Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
---
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index fe47133..50ec088 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -159,6 +159,7 @@ static int proc_dointvec_taint(struct ctl_table *table, int write, struct file *
 static struct ctl_table root_table[];
 static struct ctl_table_root sysctl_table_root;
 static struct ctl_table_header root_table_header = {
+	.count = 1,
 	.ctl_table = root_table,
 	.ctl_entry = LIST_HEAD_INIT(sysctl_table_root.default_set.list),
 	.root = &sysctl_table_root,
--
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/