INFO: rcu detected stall in garp_join

Kernel	Title	Count	Last	Reported	Patched	Status
linux-4.19	INFO: rcu detected stall in garp_join_timer	7	1532d	1563d	0/1	auto-closed as invalid on 2020/06/07 13:30
linux-4.19	BUG: soft lockup in garp_join_timer	19	536d	1043d	0/1	auto-obsoleted due to no activity on 2023/03/01 00:21
upstream	INFO: rcu detected stall in garp_join_timer net	1	1603d	1603d	0/26	closed as invalid on 2019/11/29 14:24
upstream	INFO: rcu detected stall in garp_join_timer (2) net	25	825d	1524d	0/26	auto-closed as invalid on 2022/05/15 13:33
linux-4.14	INFO: rcu detected stall in garp_join_timer	4	1527d	1542d	0/1	auto-closed as invalid on 2020/06/12 11:13
linux-4.19	INFO: rcu detected stall in garp_join_timer (3)	1	1192d	1192d	0/1	auto-closed as invalid on 2021/05/13 13:34

rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: (detected by 1, t=10502 jiffies, g=293481, q=208) rcu: All QSes seen, last rcu_preempt kthread activity 10497 (4295215423-4295204926), jiffies_till_next_fqs=1, root ->qsmask 0x0 syz-executor.4 R running task 24528 32027 6223 0x8000000c Call Trace: <IRQ> sched_show_task.cold+0x334/0x395 kernel/sched/core.c:5338 print_other_cpu_stall kernel/rcu/tree.c:1430 [inline] check_cpu_stall kernel/rcu/tree.c:1557 [inline] __rcu_pending kernel/rcu/tree.c:3293 [inline] rcu_pending kernel/rcu/tree.c:3336 [inline] rcu_check_callbacks.cold+0xaf0/0xddc kernel/rcu/tree.c:2682 update_process_times+0x2a/0x70 kernel/time/timer.c:1638 tick_sched_handle.isra.0+0x91/0x180 kernel/time/tick-sched.c:168 tick_sched_timer+0x44/0x130 kernel/time/tick-sched.c:1278 __run_hrtimer kernel/time/hrtimer.c:1401 [inline] __hrtimer_run_queues+0x2ec/0xd20 kernel/time/hrtimer.c:1463 hrtimer_interrupt+0x312/0x770 kernel/time/hrtimer.c:1521 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline] smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1092 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xa3/0xe0 kernel/locking/spinlock.c:184 Code: 48 c7 c0 c8 57 b2 88 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 2f 48 83 3d dc 46 94 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb b2 e8 dd 4b e2 f9 eb c0 0f 0b 0f 0b 48 c7 c7 c8 RSP: 0018:ffff8880ae707cb0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff1164af9 RBX: 0000000000000282 RCX: 1ffff11009f029a7 RDX: dffffc0000000000 RSI: ffff88804f814d18 RDI: 0000000000000282 RBP: ffff88808fadc368 R08: ffff88804f814440 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88808fadc368 R14: 0000000000000000 R15: 1ffff11015ce0fce spin_unlock_irqrestore include/linux/spinlock.h:384 [inline] skb_dequeue+0x120/0x170 net/core/skbuff.c:2821 garp_queue_xmit net/802/garp.c:261 [inline] garp_join_timer+0x59/0x72 net/802/garp.c:413 call_timer_fn+0x177/0x700 kernel/time/timer.c:1326 expire_timers+0x24f/0x4f0 kernel/time/timer.c:1363 __run_timers kernel/time/timer.c:1684 [inline] run_timer_softirq+0x218/0x660 kernel/time/timer.c:1697 __do_softirq+0x26c/0x93d kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17b/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:544 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 </IRQ> RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:lock_acquire+0x1ec/0x3c0 kernel/locking/lockdep.c:3910 Code: 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 b7 01 00 00 48 83 3d 29 3d 62 07 00 0f 84 2a 01 00 00 48 8b 7c 24 08 57 9d <0f> 1f 44 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 65 8b RSP: 0018:ffff888024adf668 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff1164af9 RBX: ffff88804f814440 RCX: 1ffff11009f029a2 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 RBP: ffffffff88b933a0 R08: 0000000000000000 R09: 0000000000000001 R10: ffff88804f814cf0 R11: 3f5c77fea456d911 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:242 [inline] rcu_read_lock include/linux/rcupdate.h:627 [inline] lock_page_memcg+0x36/0x230 mm/memcontrol.c:1908 page_remove_file_rmap mm/rmap.c:1215 [inline] page_remove_rmap+0x53e/0x12e0 mm/rmap.c:1300 zap_pte_range mm/memory.c:1338 [inline] zap_pmd_range mm/memory.c:1440 [inline] zap_pud_range mm/memory.c:1469 [inline] zap_p4d_range mm/memory.c:1490 [inline] unmap_page_range+0x1230/0x2bb0 mm/memory.c:1511 unmap_single_vma+0x196/0x300 mm/memory.c:1556 unmap_vmas+0xa9/0x180 mm/memory.c:1586 exit_mmap+0x2b9/0x510 mm/mmap.c:3091 __mmput kernel/fork.c:1015 [inline] mmput+0x14e/0x420 kernel/fork.c:1036 exit_mm kernel/exit.c:546 [inline] do_exit+0xac4/0x2f00 kernel/exit.c:867 do_group_exit+0x125/0x310 kernel/exit.c:983 get_signal+0x3f5/0x1f30 kernel/signal.c:2588 do_signal+0x8f/0x1620 arch/x86/kernel/signal.c:821 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45ca59 Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f78dc8d1c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: 000000000000ff9c RBX: 0000000000501ee0 RCX: 000000000045ca59 RDX: 000000000000ff9c RSI: 00000000203cef9f RDI: 0000000000000007 RBP: 000000000078bf00 R08: 0000000020618000 R09: 0000000000000010 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000a31 R14: 00000000004cd132 R15: 00007f78dc8d26d4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=32090 comm=syz-executor.2 Left network mode IPVS: ftp: loaded support on port[0] = 21 Left network mode Left network mode Left network mode chnl_net:caif_netlink_parms(): no params data found bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_0 entered promiscuous mode bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_1 entered promiscuous mode bond0: Enslaving bond_slave_0 as an active interface with an up link bond0: Enslaving bond_slave_1 as an active interface with an up link IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready team0: Port device team_slave_0 added IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready team0: Port device team_slave_1 added IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 batman_adv: batadv0: Adding interface: batadv_slave_0 batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active batman_adv: batadv0: Adding interface: batadv_slave_1 batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready IPVS: ftp: loaded support on port[0] = 21 IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready device hsr_slave_0 entered promiscuous mode device hsr_slave_1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready chnl_net:caif_netlink_parms(): no params data found chnl_net:caif_netlink_parms(): no params data found IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready chnl_net:caif_netlink_parms(): no params data found chnl_net:caif_netlink_parms(): no params data found bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_0 entered promiscuous mode bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_1 entered promiscuous mode bond0: Enslaving bond_slave_0 as an active interface with an up link bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_0 entered promiscuous mode bond0: Enslaving bond_slave_1 as an active interface with an up link IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready team0: Port device team_slave_0 added bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready team0: Port device team_slave_1 added bond0: Enslaving bond_slave_0 as an active interface with an up link batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Removing interface: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 batman_adv: batadv0: Removing interface: batadv_slave_1 batman_adv: batadv0: Removing interface: vlan2 device bridge_slave_1 left promiscuous mode