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authorEric W. Biederman2013-03-26 04:27:11 -0500
committerGreg Kroah-Hartman2013-04-05 11:26:01 -0500
commit238f455f2f1af51a8c17db666cee5f380ab2bd01 (patch)
tree63cedd5ebb7575b81318e7e29f713fd13ba839bf /fs
parent882dc231e68ddd6ecc94fdb094c104b1ebe538c7 (diff)
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pid: Handle the exit of a multi-threaded init.
commit 751c644b95bb48aaa8825f0c66abbcc184d92051 upstream. When a multi-threaded init exits and the initial thread is not the last thread to exit the initial thread hangs around as a zombie until the last thread exits. In that case zap_pid_ns_processes needs to wait until there are only 2 hashed pids in the pid namespace not one. v2. Replace thread_pid_vnr(me) == 1 with the test thread_group_leader(me) as suggested by Oleg. Reported-by: Caj Larsson <caj@omnicloud.com> Cc: Oleg Nesterov <oleg@redhat.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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