mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-03 15:47:36 +00:00
[IPV4]: route: fix crash ip_route_input
ip_route_me_harder() may call ip_route_input() with skbs that don't
have skb->dev set for skbs rerouted in LOCAL_OUT and TCP resets
generated by the REJECT target, resulting in a crash when dereferencing
skb->dev->nd_net. Since ip_route_input() has an input device argument,
it seems correct to use that one anyway.
Bug introduced in b5921910a1
(Routing cache virtualization).
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
5da621f1c5
commit
4136cd523e
1 changed files with 1 additions and 1 deletions
|
@ -2041,7 +2041,7 @@ int ip_route_input(struct sk_buff *skb, __be32 daddr, __be32 saddr,
|
||||||
int iif = dev->ifindex;
|
int iif = dev->ifindex;
|
||||||
struct net *net;
|
struct net *net;
|
||||||
|
|
||||||
net = skb->dev->nd_net;
|
net = dev->nd_net;
|
||||||
tos &= IPTOS_RT_MASK;
|
tos &= IPTOS_RT_MASK;
|
||||||
hash = rt_hash(daddr, saddr, iif);
|
hash = rt_hash(daddr, saddr, iif);
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue