From: "Maciej Żenczykowski" maze@google.com
[ Upstream commit 8652f17c658d03f5c87b8dee6e8e52480c6cd37d ]
Fixes a stupid bug I recently introduced... ip6_route_info_create() returns an ERR_PTR(err) and not a NULL on error.
Fixes: d55a2e374a94 ("net-ipv6: fix excessive RTF_ADDRCONF flag on ::1/128 local route (and others)'") Cc: David Ahern dsahern@gmail.com Cc: Lorenzo Colitti lorenzo@google.com Cc: Eric Dumazet edumazet@google.com Signed-off-by: Maciej Żenczykowski maze@google.com Reported-by: syzbot syzkaller@googlegroups.com Signed-off-by: Eric Dumazet edumazet@google.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/ipv6/route.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -3859,7 +3859,7 @@ struct fib6_info *addrconf_f6i_alloc(str }
f6i = ip6_route_info_create(&cfg, gfp_flags, NULL); - if (f6i) + if (!IS_ERR(f6i)) f6i->dst_nocount = true; return f6i; }