team0: Port device team_slave_1 added device hsr_slave_0 entered promiscuous mode device hsr_slave_1 entered promiscuous mode debugfs: Directory 'hsr0' with parent '/' already present! ================================================================== BUG: KCSAN: data-race in datagram_poll / skb_queue_tail read to 0xffff88812662a0d0 of 8 bytes by task 3890 on cpu 1: skb_queue_empty include/linux/skbuff.h:1494 [inline] datagram_poll+0x16e/0x300 net/core/datagram.c:780 sock_poll+0xed/0x250 net/socket.c:1256 vfs_poll include/linux/poll.h:90 [inline] ep_item_poll.isra.0+0x90/0x190 fs/eventpoll.c:892 ep_send_events_proc+0x113/0x590 fs/eventpoll.c:1749 ep_scan_ready_list.constprop.0+0x189/0x500 fs/eventpoll.c:704 ep_send_events fs/eventpoll.c:1793 [inline] ep_poll+0xe3/0x900 fs/eventpoll.c:1930 do_epoll_wait+0x162/0x180 fs/eventpoll.c:2294 __do_sys_epoll_wait fs/eventpoll.c:2304 [inline] __se_sys_epoll_wait fs/eventpoll.c:2301 [inline] __x64_sys_epoll_wait+0x5e/0x80 fs/eventpoll.c:2301 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 write to 0xffff88812662a0d0 of 8 bytes by task 7322 on cpu 0: __skb_insert include/linux/skbuff.h:1852 [inline] __skb_queue_before include/linux/skbuff.h:1958 [inline] __skb_queue_tail include/linux/skbuff.h:1991 [inline] skb_queue_tail+0x6b/0xc0 net/core/skbuff.c:3145 __netlink_sendskb+0x50/0x80 net/netlink/af_netlink.c:1248 netlink_broadcast_deliver net/netlink/af_netlink.c:1381 [inline] do_one_broadcast net/netlink/af_netlink.c:1466 [inline] netlink_broadcast_filtered+0x6c3/0x800 net/netlink/af_netlink.c:1510 netlink_broadcast+0x43/0x60 net/netlink/af_netlink.c:1534 uevent_net_broadcast_tagged lib/kobject_uevent.c:371 [inline] kobject_uevent_net_broadcast lib/kobject_uevent.c:411 [inline] kobject_uevent_env+0xb8f/0xc00 lib/kobject_uevent.c:592 kobject_uevent+0x29/0x40 lib/kobject_uevent.c:641 rx_queue_add_kobject net/core/net-sysfs.c:938 [inline] net_rx_queue_update_kobjects+0xf9/0x310 net/core/net-sysfs.c:956 register_queue_kobjects net/core/net-sysfs.c:1527 [inline] netdev_register_kobject+0x198/0x240 net/core/net-sysfs.c:1750 register_netdevice+0x66e/0xa50 net/core/dev.c:8781 nsim_create+0x144/0x190 drivers/net/netdevsim/netdev.c:308 __nsim_dev_port_add+0x200/0x330 drivers/net/netdevsim/dev.c:773 nsim_dev_probe+0x499/0xc20 drivers/net/netdevsim/dev.c:826 nsim_bus_probe+0x1f/0x30 drivers/net/netdevsim/bus.c:242 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 7322 Comm: syz-executor.5 Not tainted 5.4.0-rc3+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================