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net: ip, diag -- Adjust raw_abort to use unlocked __udp_disconnect
While being preparing patches for killing raw sockets via diag netlink interface I noticed that my runs are stuck: | [root@pcs7 ~]# cat /proc/`pidof ss`/stack | [<ffffffff816d1a76>] __lock_sock+0x80/0xc4 | [<ffffffff816d206a>] lock_sock_nested+0x47/0x95 | [<ffffffff8179ded6>] udp_disconnect+0x19/0x33 | [<ffffffff8179b517>] raw_abort+0x33/0x42 | [<ffffffff81702322>] sock_diag_destroy+0x4d/0x52 which has not been the case before. I narrowed it down to the commit | commit286c72deab
| Author: Eric Dumazet <edumazet@google.com> | Date: Thu Oct 20 09:39:40 2016 -0700 | | udp: must lock the socket in udp_disconnect() where we start locking the socket for different reason. So the raw_abort escaped the renaming and we have to fix this typo using __udp_disconnect instead. Fixes:286c72deab
("udp: must lock the socket in udp_disconnect()") CC: David S. Miller <davem@davemloft.net> CC: Eric Dumazet <eric.dumazet@gmail.com> CC: David Ahern <dsa@cumulusnetworks.com> CC: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> CC: James Morris <jmorris@namei.org> CC: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> CC: Patrick McHardy <kaber@trash.net> CC: Andrey Vagin <avagin@openvz.org> CC: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -920,7 +920,7 @@ int raw_abort(struct sock *sk, int err)
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sk->sk_err = err;
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sk->sk_error_report(sk);
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udp_disconnect(sk, 0);
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__udp_disconnect(sk, 0);
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release_sock(sk);
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