diff options
| author | Li RongQing <roy.qing.li@gmail.com> | 2014-05-22 16:36:55 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-06-07 16:02:00 -0700 |
| commit | 62e1a647e74f708eeabf1c79f3d40833d8ce45eb (patch) | |
| tree | 5c8caecb27d349fca15a5b31140ec1c34455f9ec /net | |
| parent | 7c8a60a9e3cdfcc04bc4de488876c07225fa0347 (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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 108c73d760df..90bc88bbd2a4 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2129,7 +2129,7 @@ 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)); |