The commit is pushed to "branch-rh7-3.10.0-229.7.2.vz7.9.x-ovz" and will appear
at https://src.openvz.org/scm/ovz/vzkernel.git
after rh7-3.10.0-229.7.2.vz7.9.18
------>
commit 31bafc7c3cf4bc7b12a243583886799b99fbcd85
Author: Andrey Ryabinin <aryabi...@virtuozzo.com>
Date: Mon Dec 28 17:37:42 2015 +0400
ms/ipv6/addrlabel: fix ip6addrlbl_get()
ip6addrlbl_get() has never worked. If ip6addrlbl_hold() succeeded,
ip6addrlbl_get() will exit with '-ESRCH'. If ip6addrlbl_hold() failed,
ip6addrlbl_get() will use about to be free ip6addrlbl_entry pointer.
Fix this by inverting ip6addrlbl_hold() check.
https://jira.sw.ru/browse/PSBM-42457
LKML-link:
http://lkml.kernel.org/g/<1450691685-29413-1-git-send-email-aryabi...@virtuozzo.com>
Fixes: 2a8cc6c89039 ("[IPV6] ADDRCONF: Support RFC3484 configurable address
selection policy table.")
Signed-off-by: Andrey Ryabinin <aryabi...@virtuozzo.com>
---
net/ipv6/addrlabel.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c
index b30ad37..d5c9189 100644
--- a/net/ipv6/addrlabel.c
+++ b/net/ipv6/addrlabel.c
@@ -558,7 +558,7 @@ static int ip6addrlbl_get(struct sk_buff *in_skb, struct
nlmsghdr* nlh)
rcu_read_lock();
p = __ipv6_addr_label(net, addr, ipv6_addr_type(addr),
ifal->ifal_index);
- if (p && ip6addrlbl_hold(p))
+ if (p && !ip6addrlbl_hold(p))
p = NULL;
lseq = ip6addrlbl_table.seq;
rcu_read_unlock();
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