diff options
| author | Li RongQing <roy.qing.li@gmail.com> | 2014-05-22 16:36:55 +0800 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2014-06-09 13:29:00 +0100 |
| commit | 7df12dedb762223a0594078b85849c4a35581e9a (patch) | |
| tree | 5276c17df9221f30458d6bea7526b75a5daaf207 /net | |
| parent | 9a45de4b54dc3e6ecbdc1f4d0d15dcbd2410bad3 (diff) | |
ipv4: initialise the itag variable in __mkroute_input
[ Upstream commit fbdc0ad095c0a299e9abf5d8ac8f58374951149a ]
the value of itag is a random value from stack, and may not be initiated by
fib_validate_source, which called fib_combine_itag if CONFIG_IP_ROUTE_CLASSID
is not set
This will make the cached dst uncertainty
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Acked-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/route.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 6768ce2f50b1..6526110ba784 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2142,7 +2142,7 @@ static int __mkroute_input(struct sk_buff *skb, struct in_device *out_dev; unsigned int flags = 0; __be32 spec_dst; - u32 itag; + u32 itag = 0; /* get a working reference to the output device */ out_dev = __in_dev_get_rcu(FIB_RES_DEV(*res)); |