bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves IPVS: ftp: loaded support on port[0] = 21 BUG: sleeping function called from invalid context at kernel/workqueue.c:2816 in_atomic(): 1, irqs_disabled(): 0, pid: 333, name: syz-executor490 2 locks held by syz-executor490/333: #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock net/core/rtnetlink.c:72 [inline] #0: (rtnl_mutex){+.+.}, at: [] rtnetlink_rcv_msg+0x2c1/0x9d0 net/core/rtnetlink.c:4301 #1: (&qdisc_rx_lock){+...}, at: [] spin_lock_bh include/linux/spinlock.h:322 [inline] #1: (&qdisc_rx_lock){+...}, at: [] sch_tree_lock include/net/sch_generic.h:360 [inline] #1: (&qdisc_rx_lock){+...}, at: [] red_change+0x373/0x1740 net/sched/sch_red.c:199 Preemption disabled at: [] spin_lock_bh include/linux/spinlock.h:322 [inline] [] sch_tree_lock include/net/sch_generic.h:360 [inline] [] red_change+0x373/0x1740 net/sched/sch_red.c:199 CPU: 1 PID: 333 Comm: syz-executor490 Not tainted 4.14.158-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xf7/0x13b lib/dump_stack.c:58 ___might_sleep.cold.86+0x1bb/0x1f4 kernel/sched/core.c:6040 __might_sleep+0x93/0xb0 kernel/sched/core.c:5993 start_flush_work kernel/workqueue.c:2816 [inline] flush_work+0xc4/0x720 kernel/workqueue.c:2884 __cancel_work_timer+0x286/0x420 kernel/workqueue.c:2956 cancel_work_sync+0xb/0x10 kernel/workqueue.c:2992 htb_destroy+0x20/0x480 net/sched/sch_htb.c:1246 qdisc_destroy+0x123/0x2d0 net/sched/sch_generic.c:725 red_change+0x6fb/0x1740 net/sched/sch_red.c:205 qdisc_change net/sched/sch_api.c:1144 [inline] tc_modify_qdisc+0xb55/0x13eb net/sched/sch_api.c:1410 rtnetlink_rcv_msg+0x34f/0x9d0 net/core/rtnetlink.c:4306 netlink_rcv_skb+0x133/0x370 net/netlink/af_netlink.c:2432 rtnetlink_rcv+0x10/0x20 net/core/rtnetlink.c:4318 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x40d/0x5f0 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x730/0xbd0 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:656 ___sys_sendmsg+0x625/0x920 net/socket.c:2062 __sys_sendmsg+0xc1/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0xd/0x20 net/socket.c:2103 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4464c9 RSP: 002b:00007f32048b0d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000006dbc68 RCX: 00000000004464c9 RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 RBP: 00000000006dbc60 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00000000006dbc6c R13: 00000000004aea84 R14: b35d2484a6425def R15: 10eb52a57aaf8377