Fix bug introduced by commit b1f3e43dbfac ("inet_diag: add support for
cgroup filter").
Signed-off-by: Dmitry Yakunin <z...@yandex-team.ru>
Reported-by: syzbot+ee80f840d9bf68932...@syzkaller.appspotmail.com
Reported-by: syzbot+13bef047dbfffa5cd...@syzkaller.appspotmail.com
Fixes: b1f3e43dbfac ("inet_diag: add support for cgroup filter")
---
net/ipv4/inet_diag.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index 0034092..125f4f8 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -746,7 +746,8 @@ int inet_diag_bc_sk(const struct nlattr *bc, struct sock
*sk)
else
entry.mark = 0;
#ifdef CONFIG_SOCK_CGROUP_DATA
- entry.cgroup_id = cgroup_id(sock_cgroup_ptr(&sk->sk_cgrp_data));
+ entry.cgroup_id = sk_fullsock(sk) ?
+ cgroup_id(sock_cgroup_ptr(&sk->sk_cgrp_data)) : 0;
#endif
return inet_diag_bc_run(bc, &entry);
--
2.7.4
