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| author | Li RongQing <roy.qing.li@gmail.com> | 2014-05-22 08:36:55 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-05-22 19:57:36 (GMT) |
| commit | fbdc0ad095c0a299e9abf5d8ac8f58374951149a (patch) | |
| tree | 7bb8cacc79f31a08ee159c8a879454de327a650c /net/ipv4 | |
| parent | d0c21d43a5a12aaebb1e42e10cf78e6491fc9e5a (diff) | |
| download | linux-fbdc0ad095c0a299e9abf5d8ac8f58374951149a.tar.xz | |
ipv4: initialise the itag variable in __mkroute_input
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>
Diffstat (limited to 'net/ipv4')
| -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 db1e0da..5e676be 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1519,7 +1519,7 @@ static int __mkroute_input(struct sk_buff *skb, struct in_device *out_dev; unsigned int flags = 0; bool do_cache; - u32 itag; + u32 itag = 0; /* get a working reference to the output device */ out_dev = __in_dev_get_rcu(FIB_RES_DEV(*res)); |