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(parent: 76660af) | patch
mptcp: close poll() races
authorPaolo Abeni <pabeni@redhat.com>
Mon, 29 Jun 2020 20:26:25 +0000 (22:26 +0200)
committerDavid S. Miller <davem@davemloft.net>
Tue, 30 Jun 2020 00:29:38 +0000 (17:29 -0700)
commit8a05661b2b266b6dc45af255b3037b00ef31d85d
treed718dfc00e260081387271c1911143a6e4dda717tree
parent76660afbb7a1ac6bef0be34c4c6e76d7e07b74d7commit | diff
mptcp: close poll() races

mptcp_poll always return POLLOUT for unblocking
connect(), ensure that the socket is a suitable
state.
The MPTCP_DATA_READY bit is never cleared on accept:
ensure we don't leave mptcp_accept() with an empty
accept queue and such bit set.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/mptcp/protocol.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)