Commit 6c813a72 authored by Patrick McHardy's avatar Patrick McHardy Committed by David S. Miller
Browse files

[IPV6]: Fix crash in ip6_del_rt



ip6_null_entry doesn't have rt6i_table set, when trying to delete it the
kernel crashes dereferencing table->tb6_lock.
Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d7aba67f
......@@ -1223,6 +1223,9 @@ int ip6_del_rt(struct rt6_info *rt, struct nlmsghdr *nlh, void *_rtattr, struct
int err;
struct fib6_table *table;
if (rt == &ip6_null_entry)
return -ENOENT;
table = rt->rt6i_table;
write_lock_bh(&table->tb6_lock);
......
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