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commit526f5b851aupstream. Error message printed: modprobe: ERROR: could not insert 'tipc': Address family not supported by protocol. when modprobe tipc after the following patch: switch order of device registration, commit7e27e8d613("tipc: switch order of device registration to fix a crash") Because sock_create_kern(net, AF_TIPC, ...) called by tipc_topsrv_create_listener() in the initialization process of tipc_init_net(), so tipc_socket_init() must be execute before that. Meanwhile, tipc_net_id need to be initialized when sock_create() called, and tipc_socket_init() is no need to be called for each namespace. I add a variable tipc_topsrv_net_ops, and split the register_pernet_subsys() of tipc into two parts, and split tipc_socket_init() with initialization of pernet params. By the way, I fixed resources rollback error when tipc_bcast_init() failed in tipc_init_net(). Fixes:7e27e8d613("tipc: switch order of device registration to fix a crash") Signed-off-by: Junwei Hu <hujunwei4@huawei.com> Reported-by: Wang Wang <wangwang2@huawei.com> Reported-by: syzbot+1e8114b61079bfe9cbc5@syzkaller.appspotmail.com Reviewed-by: Kang Zhou <zhoukang7@huawei.com> Reviewed-by: Suanming Mou <mousuanming@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.