IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready 8021q: adding VLAN 0 to HW filter on device batadv0 IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready INFO: rcu_preempt detected stalls on CPUs/tasks: (detected by 0, t=10502 jiffies, g=1528, c=1527, q=464) All QSes seen, last rcu_preempt kthread activity 10502 (4294963821-4294953319), jiffies_till_next_fqs=1, root ->qsmask 0x0 syz-executor1 R running task 19256 7036 6724 0x00000000 Call Trace: sched_show_task.cold.83+0x270/0x2e7 kernel/sched/core.c:5198 print_other_cpu_stall.cold.76+0xa25/0xc12 kernel/rcu/tree.c:1564 check_cpu_stall.isra.55+0x6f3/0xe90 kernel/rcu/tree.c:1682 __rcu_pending kernel/rcu/tree.c:3440 [inline] rcu_pending kernel/rcu/tree.c:3502 [inline] rcu_check_callbacks+0x2b2/0xfd0 kernel/rcu/tree.c:2842 update_process_times+0x2d/0x70 kernel/time/timer.c:1628 tick_sched_handle+0xa0/0x180 kernel/time/tick-sched.c:162 tick_sched_timer+0x42/0x130 kernel/time/tick-sched.c:1194 __run_hrtimer kernel/time/hrtimer.c:1211 [inline] __hrtimer_run_queues+0x415/0x11b0 kernel/time/hrtimer.c:1275 hrtimer_interrupt+0x1e2/0x690 kernel/time/hrtimer.c:1309 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1025 [inline] smp_apic_timer_interrupt+0x185/0x7c0 arch/x86/kernel/apic/apic.c:1050 apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:926 RIP: 0010:fsnotify+0x6e/0x1100 fs/notify/fsnotify.c:277 RSP: 0018:ffff88001892f7f0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff11 RAX: ffffed0003125f0a RBX: dffffc0000000000 RCX: 0000000000000001 RDX: ffff88007dfcfa50 RSI: 0000000000000002 RDI: ffff8800741da8b0 RBP: ffff88001892f8d8 R08: 0000000000000000 R09: 0000000000000000 R10: a6eb4e29b548892a R11: ffff88002a276000 R12: ffff8800741da8b0 R13: 0000000000000030 R14: ffff88007dfcfa50 R15: ffff8800742f0b00 fsnotify_modify include/linux/fsnotify.h:207 [inline] do_iter_write+0x2b6/0x5f0 fs/read_write.c:936 vfs_iter_write+0x77/0xb0 fs/read_write.c:945 iter_file_splice_write+0x8f1/0x1030 fs/splice.c:749 do_splice_from fs/splice.c:851 [inline] direct_splice_actor+0x128/0x190 fs/splice.c:1018 splice_direct_to_actor+0x310/0x8d0 fs/splice.c:973 do_splice_direct+0x2cc/0x400 fs/splice.c:1061 do_sendfile+0x60f/0xe00 fs/read_write.c:1413 SYSC_sendfile64 fs/read_write.c:1468 [inline] SyS_sendfile64+0xdf/0x190 fs/read_write.c:1460 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x457829 RSP: 002b:00007fa2474e5c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 000000000071bfa0 RCX: 0000000000457829 RDX: 0000000020000380 RSI: 0000000000000003 RDI: 0000000000000003 RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 R10: 00008080fffffffe R11: 0000000000000246 R12: 0000000000000000 R13: 00000000004ab72e R14: 00000000006eaa58 R15: 00000000ffffffff rcu_preempt kthread starved for 10502 jiffies! g1528 c1527 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0 rcu_preempt R running task 23192 9 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2799 [inline] __schedule+0x827/0x1fc0 kernel/sched/core.c:3375 schedule+0xf6/0x440 kernel/sched/core.c:3434 schedule_timeout+0x138/0x240 kernel/time/timer.c:1793 rcu_gp_kthread+0x7ad/0x1f40 kernel/rcu/tree.c:2314 kthread+0x34c/0x410 kernel/kthread.c:238 ret_from_fork+0x37/0x50 arch/x86/entry/entry_64.S:530 device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state device hsr_slave_1 left promiscuous mode device hsr_slave_0 left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state device hsr_slave_1 left promiscuous mode device hsr_slave_0 left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves device hsr_slave_1 left promiscuous mode device hsr_slave_0 left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves device hsr_slave_1 left promiscuous mode device hsr_slave_0 left promiscuous mode