Messages in this thread Patch in this message | | | From | Gaurav Singh <> | Subject | [PATCH] [net/ipv6] ip6_output: Add ipv6_pinfo null check | Date | Sun, 26 Jul 2020 23:38:10 -0400 |
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ipv6_pinfo is initlialized by inet6_sk() which returns NULL. Hence it can cause segmentation fault. Fix this by adding a NULL check.
Signed-off-by: Gaurav Singh <gaurav1086@gmail.com> --- net/ipv6/ip6_output.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 8a8c2d0cfcc8..7c077a6847e4 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -181,10 +181,10 @@ int ip6_output(struct net *net, struct sock *sk, struct sk_buff *skb) bool ip6_autoflowlabel(struct net *net, const struct ipv6_pinfo *np) { - if (!np->autoflowlabel_set) - return ip6_default_np_autolabel(net); - else + if (np && np->autoflowlabel_set) return np->autoflowlabel; + else + ip6_default_np_autolabel(net); } /* -- 2.17.1
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