5.4-stable review patch. If anyone has any objections, please let me know.
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From: Eric Dumazet edumazet@google.com
commit 3cae906e1a6184cdc9e4d260e4dbdf9a118d94ad upstream.
syzbot reported that a recent patch forgot to unlock rcu in the error path.
Adopt the convention that netlbl_conn_setattr() is already using.
Fixes: 6e9f2df1c550 ("calipso: Don't call calipso functions for AF_INET sk.") Reported-by: syzbot syzkaller@googlegroups.com Signed-off-by: Eric Dumazet edumazet@google.com Cc: Kuniyuki Iwashima kuniyu@amazon.com Acked-by: Paul Moore paul@paul-moore.com Link: https://patch.msgid.link/20250604133826.1667664-1-edumazet@google.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/netlabel/netlabel_kapi.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
--- a/net/netlabel/netlabel_kapi.c +++ b/net/netlabel/netlabel_kapi.c @@ -1140,8 +1140,10 @@ int netlbl_conn_setattr(struct sock *sk, break; #if IS_ENABLED(CONFIG_IPV6) case AF_INET6: - if (sk->sk_family != AF_INET6) - return -EAFNOSUPPORT; + if (sk->sk_family != AF_INET6) { + ret_val = -EAFNOSUPPORT; + goto conn_setattr_return; + }
addr6 = (struct sockaddr_in6 *)addr; entry = netlbl_domhsh_getentry_af6(secattr->domain,