From: Patrick McHardy <kaber@trash.net>
To: "David S. Miller" <davem@davemloft.net>
Cc: Kernel Netdev Mailing List <netdev@vger.kernel.org>,
Thomas Graf <tgraf@suug.ch>
Subject: [NET]: Fix fib_rules dump race
Date: Thu, 22 Mar 2007 15:38:19 +0100 [thread overview]
Message-ID: <460294DB.7000507@trash.net> (raw)
[-- Attachment #1: Type: text/plain, Size: 0 bytes --]
[-- Attachment #2: x --]
[-- Type: text/plain, Size: 632 bytes --]
[NET]: Fix fib_rules dump race
fib_rules_dump needs to use list_for_each_entry_rcu to protect against
concurrent changes to the rules list.
Signed-off-by: Patrick McHardy <kaber@trash.net>
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index 215f1bf..3aea4e8 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -374,7 +374,7 @@ int fib_rules_dump(struct sk_buff *skb, struct netlink_callback *cb, int family)
return -EAFNOSUPPORT;
rcu_read_lock();
- list_for_each_entry(rule, ops->rules_list, list) {
+ list_for_each_entry_rcu(rule, ops->rules_list, list) {
if (idx < cb->args[0])
goto skip;
next reply other threads:[~2007-03-22 14:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-22 14:38 Patrick McHardy [this message]
2007-03-22 19:17 ` [NET]: Fix fib_rules dump race Thomas Graf
2007-03-22 19:25 ` David Miller
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=460294DB.7000507@trash.net \
--to=kaber@trash.net \
--cc=davem@davemloft.net \
--cc=netdev@vger.kernel.org \
--cc=tgraf@suug.ch \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.