INFO: task syz-executor.3:1057 blocked for more than 143 seconds. Not tainted 6.4.0-rc7-syzkaller-00213-gf1bc9fc4a06d #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:27296 pid:1057 ppid:12342 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5343 [inline] __schedule+0xc9a/0x5880 kernel/sched/core.c:6669 schedule+0xde/0x1a0 kernel/sched/core.c:6745 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747 add_one_compat_dev drivers/infiniband/core/device.c:943 [inline] add_one_compat_dev+0xea/0x830 drivers/infiniband/core/device.c:920 rdma_dev_init_net+0x2b8/0x510 drivers/infiniband/core/device.c:1185 ops_init+0xb9/0x6b0 net/core/net_namespace.c:136 setup_net+0x5d1/0xc50 net/core/net_namespace.c:339 copy_net_ns+0x4ee/0x8e0 net/core/net_namespace.c:491 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110 unshare_nsproxy_namespaces+0xc1/0x1f0 kernel/nsproxy.c:228 ksys_unshare+0x449/0x920 kernel/fork.c:3441 __do_sys_unshare kernel/fork.c:3512 [inline] __se_sys_unshare kernel/fork.c:3510 [inline] __x64_sys_unshare+0x31/0x40 kernel/fork.c:3510 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f1c6828c389 RSP: 002b:00007f1c6901a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007f1c683abf80 RCX: 00007f1c6828c389 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000 RBP: 00007f1c682d7493 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc4b62e0ef R14: 00007f1c6901a300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/13: #0: ffffffff8c7984f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:518 1 lock held by rcu_tasks_trace/14: #0: ffffffff8c7981f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:518 1 lock held by khungtaskd/28: #0: ffffffff8c799100 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6559 2 locks held by getty/4756: #0: ffff8880283bc098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc900015802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2176 3 locks held by kworker/u4:12/30008: 4 locks held by syz-executor.2/1058: 4 locks held by syz-executor.3/1057: #0: ffffffff8e102410 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4cb/0x8e0 net/core/net_namespace.c:487 #1: ffffffff8de0be30 (devices_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x23a/0x510 drivers/infiniband/core/device.c:1179 #2: ffffffff8de0bbb0 (rdma_nets_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x2ad/0x510 drivers/infiniband/core/device.c:1184 #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev drivers/infiniband/core/device.c:943 [inline] #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev+0xea/0x830 drivers/infiniband/core/device.c:920 4 locks held by syz-executor.3/1066: #0: ffffffff8e102410 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4cb/0x8e0 net/core/net_namespace.c:487 #1: ffffffff8de0be30 (devices_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x23a/0x510 drivers/infiniband/core/device.c:1179 #2: ffffffff8de0bbb0 (rdma_nets_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x2ad/0x510 drivers/infiniband/core/device.c:1184 #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev drivers/infiniband/core/device.c:943 [inline] #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev+0xea/0x830 drivers/infiniband/core/device.c:920 4 locks held by syz-executor.1/1067: #0: ffffffff8e102410 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4cb/0x8e0 net/core/net_namespace.c:487 #1: ffffffff8de0be30 (devices_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x23a/0x510 drivers/infiniband/core/device.c:1179 #2: ffffffff8de0bbb0 (rdma_nets_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x2ad/0x510 drivers/infiniband/core/device.c:1184 #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev drivers/infiniband/core/device.c:943 [inline] #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev+0xea/0x830 drivers/infiniband/core/device.c:920 4 locks held by syz-executor.5/1074: #0: ffffffff8e102410 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4cb/0x8e0 net/core/net_namespace.c:487 #1: ffffffff8de0be30 (devices_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x23a/0x510 drivers/infiniband/core/device.c:1179 #2: ffffffff8de0bbb0 (rdma_nets_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x2ad/0x510 drivers/infiniband/core/device.c:1184 #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev drivers/infiniband/core/device.c:943 [inline] #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev+0xea/0x830 drivers/infiniband/core/device.c:920 4 locks held by syz-executor.5/1079: #0: ffffffff8e102410 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4cb/0x8e0 net/core/net_namespace.c:487 #1: ffffffff8de0be30 (devices_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x23a/0x510 drivers/infiniband/core/device.c:1179 #2: ffffffff8de0bbb0 (rdma_nets_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x2ad/0x510 drivers/infiniband/core/device.c:1184 #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev drivers/infiniband/core/device.c:943 [inline] #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev+0xea/0x830 drivers/infiniband/core/device.c:920 4 locks held by syz-executor.4/1087: #0: ffffffff8e102410 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4cb/0x8e0 net/core/net_namespace.c:487 #1: ffffffff8de0be30 (devices_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x23a/0x510 drivers/infiniband/core/device.c:1179 #2: ffffffff8de0bbb0 (rdma_nets_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x2ad/0x510 drivers/infiniband/core/device.c:1184 #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev drivers/infiniband/core/device.c:943 [inline] #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev+0xea/0x830 drivers/infiniband/core/device.c:920 4 locks held by syz-executor.4/1090: #0: ffffffff8e102410 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4cb/0x8e0 net/core/net_namespace.c:487 #1: ffffffff8de0be30 (devices_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x23a/0x510 drivers/infiniband/core/device.c:1179 #2: ffffffff8de0bbb0 (rdma_nets_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x2ad/0x510 drivers/infiniband/core/device.c:1184 #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev drivers/infiniband/core/device.c:943 [inline] #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev+0xea/0x830 drivers/infiniband/core/device.c:920 4 locks held by syz-executor.1/1125: #0: ffffffff8e102410 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4cb/0x8e0 net/core/net_namespace.c:487 #1: ffffffff8de0be30 (devices_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x23a/0x510 drivers/infiniband/core/device.c:1179 #2: ffffffff8de0bbb0 (rdma_nets_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x2ad/0x510 drivers/infiniband/core/device.c:1184 #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev drivers/infiniband/core/device.c:943 [inline] #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev+0xea/0x830 drivers/infiniband/core/device.c:920 4 locks held by syz-executor.3/1131: #0: ffffffff8e102410 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4cb/0x8e0 net/core/net_namespace.c:487 #1: ffffffff8de0be30 (devices_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x23a/0x510 drivers/infiniband/core/device.c:1179 #2: ffffffff8de0bbb0 (rdma_nets_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x2ad/0x510 drivers/infiniband/core/device.c:1184 #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev drivers/infiniband/core/device.c:943 [inline] #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev+0xea/0x830 drivers/infiniband/core/device.c:920 4 locks held by syz-executor.2/1132: #0: ffffffff8e102410 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4cb/0x8e0 net/core/net_namespace.c:487 #1: ffffffff8de0be30 (devices_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x23a/0x510 drivers/infiniband/core/device.c:1179 #2: ffffffff8de0bbb0 (rdma_nets_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x2ad/0x510 drivers/infiniband/core/device.c:1184 #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev drivers/infiniband/core/device.c:943 [inline] #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev+0xea/0x830 drivers/infiniband/core/device.c:920 4 locks held by syz-executor.5/1142: #0: ffffffff8e102410 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4cb/0x8e0 net/core/net_namespace.c:487 #1: ffffffff8de0be30 (devices_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x23a/0x510 drivers/infiniband/core/device.c:1179 #2: ffffffff8de0bbb0 (rdma_nets_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x2ad/0x510 drivers/infiniband/core/device.c:1184 #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev drivers/infiniband/core/device.c:943 [inline] #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev+0xea/0x830 drivers/infiniband/core/device.c:920 4 locks held by syz-executor.1/1166: #0: ffffffff8e102410 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4cb/0x8e0 net/core/net_namespace.c:487 #1: ffffffff8de0be30 (devices_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x23a/0x510 drivers/infiniband/core/device.c:1179 #2: ffffffff8de0bbb0 (rdma_nets_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x2ad/0x510 drivers/infiniband/core/device.c:1184 #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev drivers/infiniband/core/device.c:943 [inline] #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev+0xea/0x830 drivers/infiniband/core/device.c:920 4 locks held by syz-executor.3/1170: #0: ffffffff8e102410 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4cb/0x8e0 net/core/net_namespace.c:487 #1: ffffffff8de0be30 (devices_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x23a/0x510 drivers/infiniband/core/device.c:1179 #2: ffffffff8de0bbb0 (rdma_nets_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x2ad/0x510 drivers/infiniband/core/device.c:1184 #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev drivers/infiniband/core/device.c:943 [inline] #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev+0xea/0x830 drivers/infiniband/core/device.c:920 4 locks held by syz-executor.2/1172: #0: ffffffff8e102410 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4cb/0x8e0 net/core/net_namespace.c:487 #1: ffffffff8de0be30 (devices_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x23a/0x510 drivers/infiniband/core/device.c:1179 #2: ffffffff8de0bbb0 (rdma_nets_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x2ad/0x510 drivers/infiniband/core/device.c:1184 #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev drivers/infiniband/core/device.c:943 [inline] #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev+0xea/0x830 drivers/infiniband/core/device.c:920 4 locks held by syz-executor.5/1175: #0: ffffffff8e102410 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4cb/0x8e0 net/core/net_namespace.c:487 #1: ffffffff8de0be30 (devices_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x23a/0x510 drivers/infiniband/core/device.c:1179 #2: ffffffff8de0bbb0 (rdma_nets_rwsem){++++}-{3:3}, at: rdma_dev_init_net+0x2ad/0x510 drivers/infiniband/core/device.c:1184 #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev drivers/infiniband/core/device.c:943 [inline] #3: ffff888079be0f18 (&device->compat_devs_mutex){+.+.}-{3:3}, at: add_one_compat_dev+0xea/0x830 drivers/infiniband/core/device.c:920 2 locks held by dhcpcd/1184: #0: ffff888043de8130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1709 [inline] #0: ffff888043de8130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xe90 net/packet/af_packet.c:3202 #1: ffffffff8c7a4578 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:293 [inline] #1: ffffffff8c7a4578 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x64a/0x770 kernel/rcu/tree_exp.h:992 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc7-syzkaller-00213-gf1bc9fc4a06d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106 nmi_cpu_backtrace+0x29c/0x350 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x2a4/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0xe16/0x1090 kernel/hung_task.c:379 kthread+0x344/0x440 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 8189 Comm: kworker/1:23 Not tainted 6.4.0-rc7-syzkaller-00213-gf1bc9fc4a06d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: events_power_efficient wg_ratelimiter_gc_entries RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:183 [inline] RIP: 0010:unwind_next_frame+0x219/0x1e30 arch/x86/kernel/unwind_orc.c:466 Code: 24 18 8b 0c 95 94 77 ac 8f 8d 56 01 48 b8 00 00 00 00 00 fc ff df 48 8d 3c 95 94 77 ac 8f 49 89 f8 49 c1 e8 03 45 0f b6 04 00 <48> 89 f8 83 e0 07 83 c0 03 44 38 c0 7c 30 45 84 c0 74 2b 48 89 54 RSP: 0018:ffffc900001e07a0 EFLAGS: 00000a07 RAX: dffffc0000000000 RBX: 0000000000000002 RCX: 000000000001b462 RDX: 00000000000073b4 RSI: 00000000000073b3 RDI: ffffffff8fae4664 RBP: ffffc900001e0858 R08: 0000000000000000 R09: ffffc900001e0f28 R10: ffffc900001e0810 R11: 0000000000094001 R12: ffffc900001e0860 R13: ffffc900001e0810 R14: ffffc900001e0845 R15: ffffffff8173b3ee FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbb6c2d4620 CR3: 000000005ce8c000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_stack_walk+0x81/0xf0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x90/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x22/0x40 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 __kasan_slab_alloc+0x7f/0x90 mm/kasan/common.c:328 kasan_slab_alloc include/linux/kasan.h:186 [inline] slab_post_alloc_hook mm/slab.h:711 [inline] slab_alloc_node mm/slub.c:3451 [inline] kmem_cache_alloc_node+0x185/0x3e0 mm/slub.c:3496 __alloc_skb+0x288/0x330 net/core/skbuff.c:644 alloc_skb include/linux/skbuff.h:1288 [inline] bcm_can_tx+0x259/0x840 net/can/bcm.c:289 bcm_tx_timeout_handler+0x230/0x5b0 net/can/bcm.c:425 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x5fa/0xbe0 kernel/time/hrtimer.c:1749 hrtimer_run_softirq+0x17f/0x360 kernel/time/hrtimer.c:1766 __do_softirq+0x1d4/0x905 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x114/0x190 kernel/softirq.c:650 irq_exit_rcu+0x9/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:pv_queued_spin_unlock arch/x86/include/asm/paravirt.h:591 [inline] RIP: 0010:queued_spin_unlock arch/x86/include/asm/qspinlock.h:57 [inline] RIP: 0010:do_raw_spin_unlock+0x15d/0x230 kernel/locking/spinlock_debug.c:141 Code: 7c 08 84 d2 0f 85 91 00 00 00 48 c7 c0 88 70 60 8c c7 45 08 ff ff ff ff 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 <0f> 85 b6 00 00 00 48 83 3d 4d 19 fa 0a 00 74 4b 48 89 ef e8 5b 08 RSP: 0018:ffffc90014017ca8 EFLAGS: 00000246 RAX: 1ffffffff18c0e11 RBX: 0000000000000000 RCX: ffffffff81665624 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffffff8d61a980 RBP: ffffffff8d61a980 R08: 0000000000000000 R09: ffffffff8d61a983 R10: fffffbfff1ac3530 R11: 0000000000094001 R12: ffffffff8d61a988 R13: ffffffff8d61a990 R14: ffff88802392c800 R15: 00000000000013cb __raw_spin_unlock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_unlock+0x1e/0x40 kernel/locking/spinlock.c:186 spin_unlock include/linux/spinlock.h:390 [inline] wg_ratelimiter_gc_entries+0x2d8/0x430 drivers/net/wireguard/ratelimiter.c:76 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552 kthread+0x344/0x440 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308