Trond Myklebust dbe6974a39 SUNRPC: Don't call connect() more than once on a TCP socket ...

commit 89f42494f9 upstream.

Avoid socket state races due to repeated calls to ->connect() using the
same socket. If connect() returns 0 due to the connection having
completed, but we are in fact in a closing state, then we may leave the
XPRT_CONNECTING flag set on the transport.

Reported-by: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
Fixes: 3be232f11a ("SUNRPC: Prevent immediate close+reconnect")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
[meenashanmugam: Backported to 5.10: Fixed merge conflict in xs_tcp_setup_socket]
Signed-off-by: Meena Shanmugam <meenashanmugam@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2022-05-18 10:23:48 +02:00

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addr.h

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auth_gss.h

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auth.h

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bc_xprt.h

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cache.h

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clnt.h

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debug.h

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gss_api.h

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gss_asn1.h

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gss_err.h

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gss_krb5_enctypes.h

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gss_krb5.h

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metrics.h

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msg_prot.h

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rpc_pipe_fs.h

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rpc_rdma_cid.h

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rpc_rdma.h

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sched.h

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stats.h

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svc_rdma.h

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svc_xprt.h

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svc.h

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svcauth_gss.h

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svcauth.h

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svcsock.h

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timer.h

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types.h

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xdr.h

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xprt.h

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xprtmultipath.h

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xprtrdma.h

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xprtsock.h

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