====================================== | [ 9.753500][ T85] softirqs last disabled at (365290): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 9.753503][ T85] Preemption disabled at: | [ 9.753503][ T85] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.753513][ T85] Tainted: [W]=WARN [ 9.753514][ T85] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.753516][ T85] Call Trace: [ 9.753518][ T85] [ 9.753519][ T85] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.753525][ T85] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.753527][ T85] __might_resched.cold (kernel/sched/core.c:9234) [ 9.753531][ T85] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.753535][ T85] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.753540][ T85] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.753542][ T85] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.753548][ T85] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.753550][ T85] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.753553][ T85] put_chars (drivers/char/virtio_console.c:1176) [ 9.753556][ T85] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.753559][ T85] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.753564][ T85] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.753567][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.753571][ T85] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.753574][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.753580][ T85] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.753584][ T85] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.753588][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.753590][ T85] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.753594][ T85] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.753597][ T85] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.753599][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.753604][ T85] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.753607][ T85] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.753608][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.753610][ T85] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.753614][ T85] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.753615][ T85] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.753618][ T85] vprintk_emit (kernel/printk/printk.c:2479) [ 9.753621][ T85] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.753624][ T85] ? write_profile (profile.c:?) [ 9.753627][ T85] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 9.753634][ T85] dev_vprintk_emit (drivers/base/core.c:5000) [ 9.753638][ T85] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 9.753643][ T85] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.753649][ T85] dev_printk_emit (drivers/base/core.c:5011) [ 9.753651][ T85] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 9.753655][ T85] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 9.753660][ T85] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 9.753666][ T85] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.753668][ T85] ? netdev_notice (net/core/dev.c:13194) [ 9.753670][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.753674][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.753676][ T85] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.753679][ T85] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.753682][ T85] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 9.753685][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.753687][ T85] ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898) [ 9.753689][ T85] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 9.753692][ T85] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 9.753695][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.753698][ T85] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.753703][ T85] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.753706][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.753709][ T85] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.753711][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.753712][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.753715][ T85] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.753717][ T85] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.753721][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.753725][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.753727][ T85] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.753730][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.753732][ T85] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.753733][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.753735][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.753737][ T85] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.753740][ T85] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 9.753743][ T85] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.753744][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.753746][ T85] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.753748][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.753751][ T85] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.753752][ T85] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.753759][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.753761][ T85] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.753770][ T85] rtnl_setlink (net/core/rtnetlink.c:3596) [ 9.753773][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.753775][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.753797][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.753798][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.753802][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.753803][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.753805][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.753810][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.753811][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.753814][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.753816][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.753819][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.753822][ T85] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.753825][ T85] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.753827][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.753831][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.753833][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.753837][ T85] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.753840][ T85] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.753843][ T85] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.753850][ T85] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 9.753852][ T85] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 9.753856][ T85] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.753861][ T85] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.753863][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.753865][ T85] ? do_raw_spin_trylock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:93 kernel/locking/spinlock_debug.c:123) [ 9.753869][ T85] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.753873][ T85] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.753877][ T85] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.753880][ T85] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.753883][ T85] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 9.753887][ T85] ? __ia32_sys_getpeername (net/socket.c:2235) [ 9.753897][ T85] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 9.753903][ T85] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 9.753905][ T85] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.753909][ T85] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.753911][ T85] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 9.753912][ T85] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.753913][ T85] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.753916][ T85] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.753919][ T85] RIP: 0033:0x7f6141f7354e [ 9.753923][ T85] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 9.753925][ T85] RSP: 002b:00007ffdced5de90 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 9.753928][ T85] RAX: ffffffffffffffda RBX: 0000564be09fef40 RCX: 00007f6141f7354e [ 9.753929][ T85] RDX: 0000000000000030 RSI: 0000564be0b9ac10 RDI: 0000000000000018 [ 9.753930][ T85] RBP: 00007ffdced5dea0 R08: 00007ffdced5def0 R09: 0000000000000080 [ 9.753931][ T85] R10: 0000000000000000 R11: 0000000000000202 R12: 0000564be0b9bff0 [ 9.753931][ T85] R13: 00007ffdced5dfd4 R14: 0000000000000000 R15: 0000000000000000 | [ 10.893492][ T12] softirqs last disabled at (356): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 10.893494][ T12] Preemption disabled at: | [ 10.893494][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.893504][ T12] Tainted: [W]=WARN [ 10.893505][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.893507][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 10.893511][ T12] Call Trace: [ 10.893512][ T12] [ 10.893514][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.893519][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.893521][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 10.893526][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.893530][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.893535][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.893537][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.893542][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.893545][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.893548][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 10.893551][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.893554][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.893559][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.893561][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.893564][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.893567][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.893569][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.893570][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.893574][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.893576][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 10.893579][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.893582][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.893585][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.893589][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.893594][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.893596][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.893600][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.893604][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.893605][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.893611][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.893613][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.893615][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.893617][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.893621][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.893622][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.893625][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 10.893629][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.893632][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.893636][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.893642][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.893643][ T12] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 10.893651][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.893655][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 10.893657][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.893659][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 10.893668][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.893674][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.893676][ T12] ? netdev_notice (net/core/dev.c:13194) [ 10.893680][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.893682][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 10.893685][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.893689][ T12] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 10.893696][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.893699][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 10.893701][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.893705][ T12] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 10.893709][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 10.893715][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 10.893721][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 10.893724][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.893726][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.893728][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.893731][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 10.893732][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 10.893734][ T12] process_one_work (kernel/workqueue.c:3387) [ 10.893740][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 10.893743][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.893750][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 10.893757][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.893759][ T12] kthread (kernel/kthread.c:436) [ 10.893762][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.893766][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.893768][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 10.893773][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 10.893777][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 10.893780][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.893782][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 12.257058][ T85] softirqs last disabled at (661350): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 12.257060][ T85] Preemption disabled at: | [ 12.257061][ T85] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.257070][ T85] Tainted: [W]=WARN [ 12.257071][ T85] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.257073][ T85] Call Trace: [ 12.257075][ T85] [ 12.257076][ T85] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.257082][ T85] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.257084][ T85] __might_resched.cold (kernel/sched/core.c:9234) [ 12.257088][ T85] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.257092][ T85] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.257097][ T85] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.257099][ T85] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.257105][ T85] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.257107][ T85] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.257110][ T85] put_chars (drivers/char/virtio_console.c:1176) [ 12.257113][ T85] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.257115][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.257119][ T85] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.257122][ T85] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.257126][ T85] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.257129][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.257134][ T85] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.257137][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.257142][ T85] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.257146][ T85] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.257150][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.257152][ T85] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.257156][ T85] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.257160][ T85] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.257162][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.257167][ T85] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.257169][ T85] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.257171][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.257173][ T85] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.257176][ T85] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.257178][ T85] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.257181][ T85] vprintk_emit (kernel/printk/printk.c:2479) [ 12.257185][ T85] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.257187][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.257189][ T85] ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898) [ 12.257194][ T85] dev_vprintk_emit (drivers/base/core.c:5000) [ 12.257200][ T85] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 12.257205][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.257212][ T85] dev_printk_emit (drivers/base/core.c:5011) [ 12.257215][ T85] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 12.257217][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.257220][ T85] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.257222][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.257224][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.257225][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.257228][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.257232][ T85] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 12.257238][ T85] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.257241][ T85] ? netdev_notice (net/core/dev.c:13194) [ 12.257244][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.257248][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.257250][ T85] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.257254][ T85] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 12.257257][ T85] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 12.257260][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.257262][ T85] ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898) [ 12.257264][ T85] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 12.257268][ T85] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 12.257271][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.257275][ T85] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 12.257281][ T85] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 12.257285][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.257288][ T85] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.257290][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.257291][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.257294][ T85] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.257296][ T85] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.257301][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.257306][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.257308][ T85] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 12.257311][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.257313][ T85] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.257315][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.257317][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.257319][ T85] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.257322][ T85] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 12.257325][ T85] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.257327][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.257329][ T85] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 12.257331][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.257334][ T85] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.257336][ T85] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.257342][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.257345][ T85] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.257353][ T85] rtnl_setlink (net/core/rtnetlink.c:3596) [ 12.257357][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 12.257358][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.257381][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.257383][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.257386][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.257388][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.257389][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.257394][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.257395][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.257398][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 12.257400][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.257403][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 12.257405][ T85] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.257409][ T85] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.257411][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.257415][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.257417][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.257420][ T85] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.257424][ T85] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.257427][ T85] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.257434][ T85] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 12.257435][ T85] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 12.257440][ T85] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.257444][ T85] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.257447][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.257451][ T85] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.257455][ T85] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.257459][ T85] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.257463][ T85] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.257466][ T85] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 12.257470][ T85] ? __ia32_sys_getpeername (net/socket.c:2235) [ 12.257491][ T85] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 12.257493][ T85] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.257497][ T85] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.257500][ T85] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 12.257502][ T85] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.257503][ T85] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.257506][ T85] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.257508][ T85] RIP: 0033:0x7f6141f7354e [ 12.257512][ T85] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 12.257514][ T85] RSP: 002b:00007ffdced5de90 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 12.257517][ T85] RAX: ffffffffffffffda RBX: 0000564be09fef40 RCX: 00007f6141f7354e [ 12.257518][ T85] RDX: 0000000000000030 RSI: 0000564be0b9c050 RDI: 0000000000000018 [ 12.257519][ T85] RBP: 00007ffdced5dea0 R08: 00007ffdced5def0 R09: 0000000000000080 [ 12.257520][ T85] R10: 0000000000000000 R11: 0000000000000202 R12: 0000564be0ba5e70 [ 12.257521][ T85] R13: 00007ffdced5dfd4 R14: 0000000000000000 R15: 0000000000000000 | [ 13.392317][ T12] softirqs last disabled at (3322): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 13.392319][ T12] Preemption disabled at: | [ 13.392319][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.392328][ T12] Tainted: [W]=WARN [ 13.392329][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.392331][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 13.392335][ T12] Call Trace: [ 13.392336][ T12] [ 13.392338][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.392343][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.392345][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 13.392350][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.392354][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.392359][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 13.392361][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.392367][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 13.392369][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.392372][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 13.392375][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.392378][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.392382][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.392384][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.392388][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.392391][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.392393][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.392394][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.392398][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.392400][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 13.392403][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.392405][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.392409][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.392413][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.392418][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.392420][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.392423][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.392427][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.392429][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.392434][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.392437][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.392438][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.392440][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.392444][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.392445][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.392449][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 13.392452][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.392455][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.392459][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 13.392465][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 13.392467][ T12] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 13.392482][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 13.392485][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 13.392491][ T12] ? should_we_balance (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 kernel/sched/fair.c:13328) [ 13.392496][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 13.392501][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 13.392504][ T12] ? netdev_notice (net/core/dev.c:13194) [ 13.392508][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.392509][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 13.392513][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.392517][ T12] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 13.392523][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 13.392527][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 13.392529][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 13.392533][ T12] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 13.392537][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 13.392542][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 13.392549][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 13.392551][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.392553][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.392555][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.392558][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 13.392560][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 13.392561][ T12] process_one_work (kernel/workqueue.c:3387) [ 13.392567][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 13.392570][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.392578][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.392585][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.392586][ T12] kthread (kernel/kthread.c:436) [ 13.392589][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.392592][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.392595][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 13.392600][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 13.392604][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 13.392606][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.392609][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 14.939568][ T85] softirqs last disabled at (1060750): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 14.939571][ T85] Preemption disabled at: | [ 14.939571][ T85] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.939581][ T85] Tainted: [W]=WARN [ 14.939582][ T85] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.939583][ T85] Call Trace: [ 14.939585][ T85] [ 14.939587][ T85] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.939592][ T85] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.939594][ T85] __might_resched.cold (kernel/sched/core.c:9234) [ 14.939599][ T85] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.939603][ T85] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.939608][ T85] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.939610][ T85] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.939616][ T85] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.939618][ T85] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.939621][ T85] put_chars (drivers/char/virtio_console.c:1176) [ 14.939624][ T85] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.939627][ T85] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 14.939632][ T85] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.939635][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.939640][ T85] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.939642][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.939649][ T85] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.939652][ T85] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.939660][ T85] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.939664][ T85] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.939665][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.939670][ T85] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.939673][ T85] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.939675][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.939677][ T85] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.939680][ T85] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.939682][ T85] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.939685][ T85] vprintk_emit (kernel/printk/printk.c:2479) [ 14.939689][ T85] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.939690][ T85] ? write_profile (profile.c:?) [ 14.939694][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.939697][ T85] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.939701][ T85] dev_vprintk_emit (drivers/base/core.c:5000) [ 14.939706][ T85] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 14.939708][ T85] ? check_irq_usage (kernel/locking/lockdep.c:1876 kernel/locking/lockdep.c:2812) [ 14.939716][ T85] dev_printk_emit (drivers/base/core.c:5011) [ 14.939719][ T85] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 14.939722][ T85] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 14.939724][ T85] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 14.939729][ T85] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 14.939734][ T85] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 14.939736][ T85] ? netdev_notice (net/core/dev.c:13194) [ 14.939738][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.939742][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.939745][ T85] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 14.939748][ T85] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 14.939751][ T85] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 14.939754][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.939755][ T85] ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898) [ 14.939758][ T85] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 14.939761][ T85] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 14.939763][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.939767][ T85] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 14.939772][ T85] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 14.939775][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.939778][ T85] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 14.939780][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.939781][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.939783][ T85] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.939785][ T85] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.939789][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.939793][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.939795][ T85] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 14.939798][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.939800][ T85] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.939802][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.939803][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.939805][ T85] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 14.939809][ T85] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 14.939811][ T85] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 14.939812][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.939814][ T85] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 14.939816][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.939819][ T85] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 14.939821][ T85] ? nla_get_range_signed (lib/nlattr.c:270) [ 14.939827][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.939830][ T85] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 14.939838][ T85] rtnl_setlink (net/core/rtnetlink.c:3596) [ 14.939841][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 14.939843][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.939866][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.939867][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.939870][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.939872][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.939874][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.939878][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.939880][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.939882][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 14.939884][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.939888][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 14.939890][ T85] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.939894][ T85] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.939895][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.939900][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.939901][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.939905][ T85] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.939909][ T85] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.939912][ T85] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.939919][ T85] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 14.939921][ T85] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 14.939926][ T85] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.939930][ T85] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.939932][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.939937][ T85] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.939941][ T85] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.939945][ T85] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.939948][ T85] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.939952][ T85] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 14.939956][ T85] ? __ia32_sys_getpeername (net/socket.c:2235) [ 14.939970][ T85] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 14.939972][ T85] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.939976][ T85] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.939977][ T85] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 14.939979][ T85] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.939980][ T85] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.939983][ T85] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.939986][ T85] RIP: 0033:0x7f6141f7354e [ 14.939990][ T85] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 14.939992][ T85] RSP: 002b:00007ffdced5de90 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 14.939995][ T85] RAX: ffffffffffffffda RBX: 0000564be09fef40 RCX: 00007f6141f7354e [ 14.939996][ T85] RDX: 0000000000000030 RSI: 0000564be0ba79f0 RDI: 0000000000000018 [ 14.939997][ T85] RBP: 00007ffdced5dea0 R08: 00007ffdced5def0 R09: 0000000000000080 [ 14.939998][ T85] R10: 0000000000000000 R11: 0000000000000202 R12: 0000564be0bafef0 [ 14.939999][ T85] R13: 00007ffdced5dfd4 R14: 0000000000000000 R15: 0000000000000000 | [ 16.033322][ T68] softirqs last disabled at (3560): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 16.033324][ T68] Preemption disabled at: | [ 16.033325][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 16.033334][ T68] Tainted: [W]=WARN [ 16.033335][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.033337][ T68] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 16.033341][ T68] Call Trace: [ 16.033343][ T68] [ 16.033344][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.033350][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 16.033352][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 16.033357][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.033361][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.033365][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 16.033367][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.033373][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 16.033376][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.033379][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 16.033382][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.033385][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.033390][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.033392][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.033395][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.033398][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.033400][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.033401][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.033405][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.033407][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 16.033411][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.033413][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.033417][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.033421][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.033425][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.033428][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.033431][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.033435][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.033437][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.033442][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.033445][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.033446][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.033449][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.033452][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.033454][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.033457][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 16.033460][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.033464][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.033468][ T68] dev_vprintk_emit (drivers/base/core.c:5000) [ 16.033473][ T68] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 16.033475][ T68] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 16.033482][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.033490][ T68] dev_printk_emit (drivers/base/core.c:5011) [ 16.033493][ T68] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 16.033495][ T68] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 16.033505][ T68] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 16.033511][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 16.033513][ T68] ? netdev_notice (net/core/dev.c:13194) [ 16.033517][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.033519][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 16.033523][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.033527][ T68] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 16.033534][ T68] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 16.033536][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 16.033538][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 16.033542][ T68] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 16.033546][ T68] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 16.033552][ T68] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 16.033558][ T68] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 16.033561][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.033563][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.033565][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.033568][ T68] ? process_one_work (kernel/workqueue.c:3386) [ 16.033569][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 16.033571][ T68] process_one_work (kernel/workqueue.c:3387) [ 16.033577][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 16.033580][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.033588][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 16.033592][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.033594][ T68] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 16.033597][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.033599][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.033601][ T68] kthread (kernel/kthread.c:436) [ 16.033603][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.033606][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.033609][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.033614][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.033617][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.033620][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.033623][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 17.290833][ T68] softirqs last disabled at (14144): __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 17.290835][ T68] Preemption disabled at: | [ 17.290836][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 17.290845][ T68] Tainted: [W]=WARN [ 17.290846][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.290848][ T68] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 17.290852][ T68] Call Trace: [ 17.290853][ T68] [ 17.290855][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.290861][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 17.290863][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 17.290867][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.290871][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.290876][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 17.290878][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.290884][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 17.290886][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.290889][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 17.290892][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.290895][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.290899][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.290902][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.290906][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.290909][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.290910][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.290912][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.290915][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.290918][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 17.290921][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.290923][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.290927][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.290931][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.290935][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.290937][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.290941][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.290946][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.290947][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.290952][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.290955][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.290957][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.290959][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.290962][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.290964][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.290967][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 17.290971][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.290973][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.290978][ T68] dev_vprintk_emit (drivers/base/core.c:5000) [ 17.290984][ T68] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 17.290989][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.290991][ T68] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 17.290995][ T68] dev_printk_emit (drivers/base/core.c:5011) [ 17.290997][ T68] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 17.291001][ T68] ? neigh_resolve_output.part.0 (./include/linux/netdevice.h:3537 net/core/neighbour.c:1611) [ 17.291004][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.291007][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.291008][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.291012][ T68] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 17.291017][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 17.291019][ T68] ? netdev_notice (net/core/dev.c:13194) [ 17.291023][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.291025][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 17.291029][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.291033][ T68] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 17.291040][ T68] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 17.291044][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 17.291046][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 17.291050][ T68] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 17.291055][ T68] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 17.291061][ T68] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 17.291067][ T68] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 17.291070][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.291071][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.291073][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.291076][ T68] ? process_one_work (kernel/workqueue.c:3386) [ 17.291078][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 17.291079][ T68] process_one_work (kernel/workqueue.c:3387) [ 17.291086][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 17.291089][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.291096][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 17.291100][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.291102][ T68] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 17.291105][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.291108][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.291110][ T68] kthread (kernel/kthread.c:436) [ 17.291111][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.291115][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.291118][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.291122][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.291126][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.291129][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.291131][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 18.498169][ T12] softirqs last disabled at (12058): __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 18.498173][ T12] Preemption disabled at: | [ 18.498173][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 18.498186][ T12] Tainted: [W]=WARN [ 18.498188][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.498190][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 18.498196][ T12] Call Trace: [ 18.498198][ T12] [ 18.498201][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.498207][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 18.498215][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 18.498221][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.498227][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.498234][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 18.498238][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.498247][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 18.498251][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.498256][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 18.498261][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.498267][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.498273][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.498277][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.498284][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.498288][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.498291][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.498293][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.498301][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.498305][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 18.498311][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.498315][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.498323][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.498330][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.498339][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.498343][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.498352][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.498360][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.498362][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.498374][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.498379][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.498381][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.498385][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.498392][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.498395][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.498401][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 18.498408][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.498416][ T12] ? update_cfs_rq_load_avg (kernel/sched/fair.c:5687) [ 18.498424][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 18.498432][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 18.498435][ T12] ? update_cfs_rq_load_avg (kernel/sched/fair.c:5687) [ 18.498451][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 18.498455][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 18.498458][ T12] ? __resched_curr (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:28 ./include/linux/thread_info.h:104 kernel/sched/core.c:1217) [ 18.498463][ T12] ? __trace_set_current_state (./include/linux/srcutree.h:292 (discriminator 3)) [ 18.498466][ T12] ? wakeup_preempt_fair (kernel/sched/fair.c:6515 kernel/sched/fair.c:10016) [ 18.498470][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.498474][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.498477][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.498485][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 18.498499][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 18.498503][ T12] ? netdev_notice (net/core/dev.c:13194) [ 18.498512][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.498516][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 18.498522][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.498531][ T12] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 18.498542][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 18.498548][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 18.498552][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 18.498558][ T12] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:226 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 18.498566][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 18.498578][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 18.498592][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 18.498597][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.498600][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.498603][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.498610][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 18.498612][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 18.498615][ T12] process_one_work (kernel/workqueue.c:3387) [ 18.498628][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 18.498633][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.498650][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 18.498664][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.498668][ T12] kthread (kernel/kthread.c:436) [ 18.498671][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.498676][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.498681][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 18.498688][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 18.498695][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 18.498699][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.498704][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 20.172683][ T12] softirqs last disabled at (16032): __fib6_clean_all (./include/linux/spinlock.h:353 (discriminator 32768) net/ipv6/ip6_fib.c:2323 (discriminator 32768)) | [ 20.172685][ T12] Preemption disabled at: | [ 20.172686][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.172696][ T12] Tainted: [W]=WARN [ 20.172697][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.172699][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 20.172703][ T12] Call Trace: [ 20.172705][ T12] [ 20.172707][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.172713][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.172715][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 20.172719][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.172723][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.172728][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 20.172730][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.172736][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 20.172739][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.172743][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 20.172746][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.172749][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.172754][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.172756][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.172760][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.172763][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.172765][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.172767][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.172771][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.172773][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 20.172777][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.172779][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.172784][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.172788][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.172792][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.172794][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.172798][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.172804][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.172806][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.172813][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.172815][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.172817][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.172819][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.172823][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.172825][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.172829][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 20.172833][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.172836][ T12] ? update_cfs_rq_load_avg (kernel/sched/fair.c:5687) [ 20.172842][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 20.172848][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 20.172850][ T12] ? update_cfs_rq_load_avg (kernel/sched/fair.c:5687) [ 20.172859][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 20.172862][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 20.172864][ T12] ? __resched_curr (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:28 ./include/linux/thread_info.h:104 kernel/sched/core.c:1217) [ 20.172867][ T12] ? __trace_set_current_state (./include/linux/srcutree.h:292 (discriminator 3)) [ 20.172869][ T12] ? wakeup_preempt_fair (kernel/sched/fair.c:6515 kernel/sched/fair.c:10016) [ 20.172871][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.172873][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.172875][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.172880][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 20.172886][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 20.172889][ T12] ? netdev_notice (net/core/dev.c:13194) [ 20.172893][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.172895][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 20.172899][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.172903][ T12] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 20.172910][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 20.172914][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 20.172916][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 20.172920][ T12] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:226 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 20.172925][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 20.172930][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 20.172937][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 20.172940][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.172942][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.172943][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.172946][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 20.172948][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 20.172949][ T12] process_one_work (kernel/workqueue.c:3387) [ 20.172956][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 20.172958][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.172966][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 20.172973][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.172975][ T12] kthread (kernel/kthread.c:436) [ 20.172978][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.172981][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.172984][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 20.172989][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 20.172993][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 20.172996][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.172999][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 21.266308][ T68] softirqs last disabled at (16066): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 21.266310][ T68] Preemption disabled at: | [ 21.266311][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 21.266320][ T68] Tainted: [W]=WARN [ 21.266321][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.266323][ T68] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 21.266327][ T68] Call Trace: [ 21.266328][ T68] [ 21.266331][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.266336][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 21.266338][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 21.266343][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.266346][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.266351][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 21.266353][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.266359][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 21.266361][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.266365][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 21.266367][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.266370][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.266374][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.266377][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.266380][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.266383][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 21.266385][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.266386][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.266390][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.266392][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 21.266395][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.266397][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.266401][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.266405][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.266409][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.266411][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.266415][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.266419][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.266420][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.266426][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.266428][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.266430][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.266432][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.266435][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.266437][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.266440][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 21.266443][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.266446][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.266451][ T68] dev_vprintk_emit (drivers/base/core.c:5000) [ 21.266456][ T68] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 21.266458][ T68] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 21.266465][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.266469][ T68] dev_printk_emit (drivers/base/core.c:5011) [ 21.266471][ T68] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 21.266473][ T68] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 21.266482][ T68] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 21.266488][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 21.266490][ T68] ? netdev_notice (net/core/dev.c:13194) [ 21.266494][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.266496][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 21.266499][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.266503][ T68] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 21.266517][ T68] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 21.266520][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 21.266522][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 21.266526][ T68] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 21.266530][ T68] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 21.266536][ T68] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 21.266542][ T68] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 21.266544][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.266546][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.266548][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.266551][ T68] ? process_one_work (kernel/workqueue.c:3386) [ 21.266553][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 21.266554][ T68] process_one_work (kernel/workqueue.c:3387) [ 21.266561][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 21.266563][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.266571][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 21.266575][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 21.266577][ T68] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 21.266580][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 21.266582][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 21.266584][ T68] kthread (kernel/kthread.c:436) [ 21.266586][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.266589][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.266591][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 21.266596][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 21.266600][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 21.266602][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.266605][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 22.509313][ T12] softirqs last disabled at (20132): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 22.509316][ T12] Preemption disabled at: | [ 22.509316][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 22.509326][ T12] Tainted: [W]=WARN [ 22.509327][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.509329][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 22.509332][ T12] Call Trace: [ 22.509334][ T12] [ 22.509336][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.509341][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 22.509343][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 22.509349][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.509353][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 22.509358][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 22.509360][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.509366][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 22.509368][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.509371][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 22.509374][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.509377][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.509381][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.509384][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.509387][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.509390][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 22.509392][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.509393][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.509397][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.509399][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 22.509402][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.509405][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.509409][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.509413][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.509417][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.509419][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.509423][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.509427][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.509429][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.509434][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.509437][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.509439][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.509441][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 22.509444][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.509446][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.509449][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 22.509453][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.509456][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.509461][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 22.509466][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 22.509468][ T12] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 22.509475][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.509479][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 22.509482][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 22.509483][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 22.509493][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 22.509499][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 22.509501][ T12] ? netdev_notice (net/core/dev.c:13194) [ 22.509505][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.509507][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 22.509517][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.509521][ T12] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 22.509528][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 22.509531][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 22.509533][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 22.509537][ T12] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 22.509541][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 22.509547][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 22.509553][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 22.509556][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.509558][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.509560][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.509563][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 22.509565][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 22.509566][ T12] process_one_work (kernel/workqueue.c:3387) [ 22.509573][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 22.509575][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.509583][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 22.509590][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.509592][ T12] kthread (kernel/kthread.c:436) [ 22.509595][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 22.509598][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.509601][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 22.509606][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 22.509610][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 22.509612][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.509615][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 23.591309][ T12] softirqs last disabled at (24192): __fib6_clean_all (./include/linux/spinlock.h:353 (discriminator 32768) net/ipv6/ip6_fib.c:2323 (discriminator 32768)) | [ 23.591311][ T12] Preemption disabled at: | [ 23.591312][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 23.591322][ T12] Tainted: [W]=WARN [ 23.591323][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.591325][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 23.591328][ T12] Call Trace: [ 23.591330][ T12] [ 23.591332][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.591338][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 23.591340][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 23.591345][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.591349][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 23.591354][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 23.591356][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.591362][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 23.591364][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.591367][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 23.591370][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.591373][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.591377][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.591379][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 23.591383][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.591386][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 23.591388][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.591389][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.591393][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.591395][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 23.591398][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.591400][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.591404][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.591408][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.591413][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.591415][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.591419][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.591423][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.591425][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.591431][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.591434][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.591435][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.591437][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 23.591441][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.591442][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.591446][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 23.591449][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.591451][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.591453][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.591456][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.591459][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 23.591465][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 23.591467][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.591471][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.591472][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 23.591477][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 23.591479][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 23.591484][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.591486][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.591488][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 23.591491][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 23.591497][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 23.591499][ T12] ? netdev_notice (net/core/dev.c:13194) [ 23.591503][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.591505][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 23.591508][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.591520][ T12] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 23.591527][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 23.591531][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 23.591532][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 23.591536][ T12] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:226 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 23.591540][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 23.591546][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 23.591553][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 23.591555][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.591557][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.591559][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.591562][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 23.591564][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 23.591565][ T12] process_one_work (kernel/workqueue.c:3387) [ 23.591572][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 23.591575][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.591582][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 23.591590][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.591592][ T12] kthread (kernel/kthread.c:436) [ 23.591594][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 23.591598][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.591600][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 23.591605][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 23.591609][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 23.591612][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.591614][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 25.002314][ T12] softirqs last disabled at (26548): __fib6_clean_all (./include/linux/spinlock.h:353 (discriminator 32768) net/ipv6/ip6_fib.c:2323 (discriminator 32768)) | [ 25.002317][ T12] Preemption disabled at: | [ 25.002317][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.002326][ T12] Tainted: [W]=WARN [ 25.002327][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.002329][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 25.002333][ T12] Call Trace: [ 25.002335][ T12] [ 25.002336][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.002342][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.002344][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 25.002349][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.002353][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.002358][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 25.002360][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.002366][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 25.002368][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.002371][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 25.002374][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.002377][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.002382][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.002384][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.002388][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.002391][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.002392][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.002394][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.002398][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.002400][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 25.002403][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.002405][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.002409][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.002413][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.002417][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.002419][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.002424][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.002428][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.002429][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.002435][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.002438][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.002440][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.002442][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.002446][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.002447][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.002451][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 25.002454][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.002456][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.002458][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.002459][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.002465][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 25.002470][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 25.002476][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.002478][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.002483][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 25.002486][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 25.002489][ T12] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 25.002492][ T12] ? fib6_clean_tree (net/ipv6/ip6_fib.c:89 net/ipv6/ip6_fib.c:2230 net/ipv6/ip6_fib.c:2308) [ 25.002494][ T12] ? fib6_clean_tree (net/ipv6/ip6_fib.c:89 net/ipv6/ip6_fib.c:2230 net/ipv6/ip6_fib.c:2308) [ 25.002495][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.002498][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.002500][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.002504][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 25.002510][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 25.002513][ T12] ? netdev_notice (net/core/dev.c:13194) [ 25.002523][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.002525][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 25.002529][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.002534][ T12] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 25.002542][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 25.002545][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 25.002547][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 25.002551][ T12] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:226 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 25.002556][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 25.002563][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 25.002570][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 25.002573][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.002575][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.002577][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.002581][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 25.002582][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 25.002583][ T12] process_one_work (kernel/workqueue.c:3387) [ 25.002591][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 25.002594][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.002603][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 25.002611][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.002613][ T12] kthread (kernel/kthread.c:436) [ 25.002616][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 25.002619][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.002622][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 25.002627][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 25.002631][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 25.002634][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.002637][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 30.341578][ T85] softirqs last disabled at (2877008): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 30.341581][ T85] Preemption disabled at: | [ 30.341582][ T85] vprintk_emit (kernel/printk/printk.c:2471) | [ 30.341591][ T85] Tainted: [W]=WARN [ 30.341592][ T85] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.341594][ T85] Call Trace: [ 30.341595][ T85] [ 30.341597][ T85] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.341602][ T85] ? vprintk_emit (kernel/printk/printk.c:2471) [ 30.341604][ T85] __might_resched.cold (kernel/sched/core.c:9234) [ 30.341609][ T85] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.341613][ T85] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 30.341618][ T85] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 30.341620][ T85] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.341626][ T85] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 30.341628][ T85] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.341631][ T85] put_chars (drivers/char/virtio_console.c:1176) [ 30.341634][ T85] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.341635][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.341640][ T85] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.341642][ T85] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 30.341647][ T85] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.341650][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.341655][ T85] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.341657][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.341662][ T85] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.341666][ T85] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.341671][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.341673][ T85] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.341677][ T85] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.341681][ T85] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.341682][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.341687][ T85] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.341690][ T85] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.341692][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.341694][ T85] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 30.341697][ T85] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.341699][ T85] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.341702][ T85] vprintk_emit (kernel/printk/printk.c:2479) [ 30.341706][ T85] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.341708][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.341709][ T85] ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898) [ 30.341715][ T85] dev_vprintk_emit (drivers/base/core.c:5000) [ 30.341721][ T85] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 30.341726][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.341730][ T85] dev_printk_emit (drivers/base/core.c:5011) [ 30.341733][ T85] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 30.341735][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.341738][ T85] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 30.341739][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.341741][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.341742][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.341744][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.341748][ T85] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 30.341754][ T85] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 30.341756][ T85] ? netdev_notice (net/core/dev.c:13194) [ 30.341759][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.341762][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.341764][ T85] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 30.341768][ T85] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 30.341770][ T85] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 30.341774][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.341775][ T85] ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898) [ 30.341777][ T85] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 30.341781][ T85] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 30.341783][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.341786][ T85] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 30.341792][ T85] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 30.341795][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.341798][ T85] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 30.341799][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.341801][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.341803][ T85] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.341805][ T85] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 30.341809][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.341813][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.341815][ T85] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 30.341818][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.341820][ T85] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.341822][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.341823][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.341825][ T85] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 30.341828][ T85] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 30.341831][ T85] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 30.341832][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.341834][ T85] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 30.341836][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.341839][ T85] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 30.341840][ T85] ? nla_get_range_signed (lib/nlattr.c:270) [ 30.341847][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.341850][ T85] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 30.341858][ T85] rtnl_setlink (net/core/rtnetlink.c:3596) [ 30.341861][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 30.341863][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.341886][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.341887][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.341891][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.341892][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.341894][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.341898][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.341900][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.341902][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 30.341905][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.341908][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 30.341910][ T85] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 30.341914][ T85] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.341916][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.341920][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.341922][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.341926][ T85] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 30.341929][ T85] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.341933][ T85] ? netlink_ack (./include/linux/skbuff.h:2718) [ 30.341939][ T85] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 30.341942][ T85] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 30.341946][ T85] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.341951][ T85] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.341953][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.341955][ T85] ? do_raw_spin_trylock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:93 kernel/locking/spinlock_debug.c:123) [ 30.341959][ T85] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.341963][ T85] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.341967][ T85] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 30.341971][ T85] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 30.341974][ T85] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 30.341978][ T85] ? __ia32_sys_getpeername (net/socket.c:2235) [ 30.341989][ T85] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 30.341995][ T85] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 30.341996][ T85] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 30.342000][ T85] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 30.342002][ T85] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 30.342004][ T85] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.342005][ T85] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.342008][ T85] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.342010][ T85] RIP: 0033:0x7f6141f7354e [ 30.342014][ T85] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 30.342016][ T85] RSP: 002b:00007ffdced5de90 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 30.342020][ T85] RAX: ffffffffffffffda RBX: 0000564be09fef40 RCX: 00007f6141f7354e [ 30.342021][ T85] RDX: 0000000000000030 RSI: 0000564be0bce7e0 RDI: 0000000000000018 [ 30.342022][ T85] RBP: 00007ffdced5dea0 R08: 00007ffdced5def0 R09: 0000000000000080 [ 30.342023][ T85] R10: 0000000000000000 R11: 0000000000000202 R12: 0000564be0bd06c0 [ 30.342023][ T85] R13: 00007ffdced5dfd4 R14: 0000000000000000 R15: 0000000000000000 | [ 35.441994][ T85] softirqs last disabled at (3471126): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 35.441996][ T85] Preemption disabled at: | [ 35.441997][ T85] vprintk_emit (kernel/printk/printk.c:2471) | [ 35.442006][ T85] Tainted: [W]=WARN [ 35.442007][ T85] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.442009][ T85] Call Trace: [ 35.442011][ T85] [ 35.442012][ T85] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.442018][ T85] ? vprintk_emit (kernel/printk/printk.c:2471) [ 35.442020][ T85] __might_resched.cold (kernel/sched/core.c:9234) [ 35.442026][ T85] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.442032][ T85] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 35.442037][ T85] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 35.442039][ T85] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.442045][ T85] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 35.442047][ T85] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.442050][ T85] put_chars (drivers/char/virtio_console.c:1176) [ 35.442053][ T85] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.442054][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.442059][ T85] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.442061][ T85] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.442066][ T85] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.442068][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.442073][ T85] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.442076][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.442081][ T85] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.442085][ T85] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.442089][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.442091][ T85] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.442095][ T85] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.442099][ T85] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.442100][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.442106][ T85] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.442108][ T85] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.442110][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.442112][ T85] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 35.442115][ T85] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.442117][ T85] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.442120][ T85] vprintk_emit (kernel/printk/printk.c:2479) [ 35.442124][ T85] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.442126][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.442127][ T85] ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898) [ 35.442134][ T85] dev_vprintk_emit (drivers/base/core.c:5000) [ 35.442140][ T85] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 35.442145][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.442149][ T85] dev_printk_emit (drivers/base/core.c:5011) [ 35.442152][ T85] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 35.442154][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.442156][ T85] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.442158][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.442160][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.442161][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.442163][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.442167][ T85] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 35.442173][ T85] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 35.442175][ T85] ? netdev_notice (net/core/dev.c:13194) [ 35.442177][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.442181][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.442183][ T85] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 35.442186][ T85] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 35.442189][ T85] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 35.442192][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.442194][ T85] ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898) [ 35.442196][ T85] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 35.442199][ T85] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 35.442202][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.442205][ T85] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 35.442214][ T85] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 35.442217][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.442220][ T85] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 35.442221][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.442223][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.442225][ T85] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.442227][ T85] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.442231][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.442235][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.442237][ T85] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 35.442240][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.442242][ T85] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.442243][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.442245][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.442247][ T85] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 35.442250][ T85] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 35.442252][ T85] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 35.442254][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.442256][ T85] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 35.442258][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.442261][ T85] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 35.442262][ T85] ? nla_get_range_signed (lib/nlattr.c:270) [ 35.442269][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.442271][ T85] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 35.442280][ T85] rtnl_setlink (net/core/rtnetlink.c:3596) [ 35.442283][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 35.442285][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.442307][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.442309][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.442312][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.442314][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.442316][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.442320][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.442322][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.442324][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 35.442326][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.442330][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 35.442332][ T85] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 35.442336][ T85] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.442337][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.442341][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.442343][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.442347][ T85] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 35.442350][ T85] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.442354][ T85] ? netlink_ack (./include/linux/skbuff.h:2718) [ 35.442363][ T85] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 35.442366][ T85] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 35.442371][ T85] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 35.442375][ T85] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.442378][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.442382][ T85] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 35.442387][ T85] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.442390][ T85] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 35.442394][ T85] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 35.442397][ T85] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 35.442401][ T85] ? __ia32_sys_getpeername (net/socket.c:2235) [ 35.442411][ T85] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 35.442418][ T85] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 35.442419][ T85] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 35.442423][ T85] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 35.442425][ T85] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 35.442426][ T85] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.442428][ T85] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.442431][ T85] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.442433][ T85] RIP: 0033:0x7f6141f7354e [ 35.442437][ T85] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 35.442439][ T85] RSP: 002b:00007ffdced5de90 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 35.442442][ T85] RAX: ffffffffffffffda RBX: 0000564be09fef40 RCX: 00007f6141f7354e [ 35.442443][ T85] RDX: 0000000000000030 RSI: 0000564be0bd6cd0 RDI: 0000000000000018 [ 35.442445][ T85] RBP: 00007ffdced5dea0 R08: 00007ffdced5def0 R09: 0000000000000080 [ 35.442445][ T85] R10: 0000000000000000 R11: 0000000000000202 R12: 0000564be0bd72b0 [ 35.442446][ T85] R13: 00007ffdced5dfd4 R14: 0000000000000000 R15: 0000000000000000 | [ 36.458312][ T12] softirqs last disabled at (28226): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 36.458314][ T12] Preemption disabled at: | [ 36.458315][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 36.458324][ T12] Tainted: [W]=WARN [ 36.458325][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.458327][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 36.458331][ T12] Call Trace: [ 36.458332][ T12] [ 36.458334][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.458340][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 36.458342][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 36.458346][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.458350][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 36.458355][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 36.458357][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.458363][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 36.458365][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.458369][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 36.458372][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.458375][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.458379][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.458381][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 36.458385][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.458388][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 36.458389][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.458391][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.458395][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.458397][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 36.458400][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.458402][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.458406][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.458410][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.458414][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.458417][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.458421][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.458425][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.458426][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.458431][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.458434][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.458436][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.458438][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 36.458441][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.458443][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.458446][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 36.458450][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.458453][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.458457][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 36.458463][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 36.458465][ T12] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 36.458472][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.458476][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 36.458478][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 36.458480][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 36.458489][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 36.458495][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 36.458498][ T12] ? netdev_notice (net/core/dev.c:13194) [ 36.458505][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.458507][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 36.458510][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.458514][ T12] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 36.458521][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 36.458524][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 36.458526][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 36.458530][ T12] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 36.458534][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 36.458540][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 36.458546][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 36.458549][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.458551][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.458552][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.458556][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 36.458557][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 36.458564][ T12] process_one_work (kernel/workqueue.c:3387) [ 36.458574][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 36.458578][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.458590][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 36.458597][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 36.458599][ T12] kthread (kernel/kthread.c:436) [ 36.458601][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 36.458605][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 36.458608][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 36.458613][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 36.458617][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 36.458620][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 36.458622][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 37.772883][ T165] softirqs last disabled at (3986436): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464) | [ 37.772885][ T165] Preemption disabled at: | [ 37.772886][ T165] vprintk_emit (kernel/printk/printk.c:2471) | [ 37.772895][ T165] Tainted: [W]=WARN [ 37.772896][ T165] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.772897][ T165] Call Trace: [ 37.772899][ T165] [ 37.772901][ T165] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.772906][ T165] ? vprintk_emit (kernel/printk/printk.c:2471) [ 37.772908][ T165] __might_resched.cold (kernel/sched/core.c:9234) [ 37.772913][ T165] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.772917][ T165] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 37.772922][ T165] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 37.772924][ T165] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.772930][ T165] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 37.772932][ T165] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.772936][ T165] put_chars (drivers/char/virtio_console.c:1176) [ 37.772938][ T165] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 37.772940][ T165] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.772943][ T165] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 37.772949][ T165] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.772956][ T165] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.772958][ T165] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.772961][ T165] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.772966][ T165] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.772970][ T165] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.772974][ T165] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.772977][ T165] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.772981][ T165] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.772985][ T165] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.772987][ T165] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.772992][ T165] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.772995][ T165] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.772996][ T165] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.772999][ T165] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 37.773003][ T165] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.773004][ T165] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.773007][ T165] vprintk_emit (kernel/printk/printk.c:2479) [ 37.773011][ T165] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.773014][ T165] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.773015][ T165] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.773020][ T165] dev_vprintk_emit (drivers/base/core.c:5000) [ 37.773026][ T165] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 37.773030][ T165] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 37.773038][ T165] dev_printk_emit (drivers/base/core.c:5011) [ 37.773041][ T165] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 37.773049][ T165] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 37.773055][ T165] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 37.773058][ T165] ? netdev_notice (net/core/dev.c:13194) [ 37.773059][ T165] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.773063][ T165] ? unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518) [ 37.773066][ T165] ? unregister_netdevice_queue (net/core/dev.c:12589 net/core/dev.c:12390 net/core/dev.c:12376) [ 37.773069][ T165] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.773074][ T165] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 37.773081][ T165] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.773083][ T165] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 37.773087][ T165] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:226 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 37.773092][ T165] ? __mutex_lock (kernel/locking/mutex.c:649 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 37.773099][ T165] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 37.773106][ T165] udp_tunnel_nic_flush (net/ipv4/udp_tunnel_nic.c:691) udp_tunnel [ 37.773113][ T165] udp_tunnel_nic_unregister (net/ipv4/udp_tunnel_nic.c:903) udp_tunnel [ 37.773119][ T165] udp_tunnel_nic_netdevice_event (net/ipv4/udp_tunnel_nic.c:944) udp_tunnel [ 37.773125][ T165] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.773127][ T165] notifier_call_chain (kernel/notifier.c:85) [ 37.773134][ T165] unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518) [ 37.773139][ T165] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 37.773141][ T165] ? nsim_destroy (drivers/net/netdevsim/netdev.c:1193) netdevsim [ 37.773146][ T165] ? netdev_run_todo (net/core/dev.c:11776) [ 37.773149][ T165] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 37.773154][ T165] ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1)) [ 37.773156][ T165] unregister_netdevice_queue (net/core/dev.c:12589 net/core/dev.c:12390 net/core/dev.c:12376) [ 37.773158][ T165] ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:134 net/core/dev.c:2188) [ 37.773161][ T165] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.773163][ T165] ? unregister_netdevice_many (net/core/dev.c:12589) [ 37.773169][ T165] nsim_destroy (./include/linux/netdevice.h:3487 drivers/net/netdevsim/netdev.c:1198) netdevsim [ 37.773173][ T165] ? kstrtouint (lib/kstrtox.c:236) [ 37.773179][ T165] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1472) netdevsim [ 37.773183][ T165] ? nsim_drv_port_del (drivers/net/netdevsim/dev.c:1776 (discriminator 1)) netdevsim [ 37.773187][ T165] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1781) netdevsim [ 37.773192][ T165] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim [ 37.773196][ T165] ? sysfs_file_kobj (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/rcupdate.h:1216 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2)) [ 37.773198][ T165] ? del_device_store (./include/linux/list.h:135 (discriminator 2)) netdevsim [ 37.773202][ T165] ? sysfs_file_kobj (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 fs/sysfs/file.c:24) [ 37.773204][ T165] ? sysfs_kf_write (fs/sysfs/file.c:140) [ 37.773208][ T165] kernfs_fop_write_iter (fs/kernfs/file.c:345) [ 37.773213][ T165] ? kernfs_ops (fs/kernfs/file.c:121) [ 37.773216][ T165] new_sync_write (fs/read_write.c:595) [ 37.773218][ T165] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.773221][ T165] ? new_sync_read (./include/linux/ioprio.h:41) [ 37.773224][ T165] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.773226][ T165] ? ksys_write (fs/read_write.c:739) [ 37.773233][ T165] vfs_write (fs/read_write.c:687) [ 37.773238][ T165] ksys_write (fs/read_write.c:739) [ 37.773241][ T165] ? __ia32_sys_read (fs/read_write.c:723) [ 37.773242][ T165] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 37.773245][ T165] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.773249][ T165] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 37.773251][ T165] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 37.773255][ T165] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.773257][ T165] RIP: 0033:0x7f2ff82a654e [ 37.773261][ T165] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 37.773263][ T165] RSP: 002b:00007fff6da48f70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 37.773266][ T165] RAX: ffffffffffffffda RBX: 00007f2ff8427580 RCX: 00007f2ff82a654e [ 37.773267][ T165] RDX: 0000000000000002 RSI: 0000559a3f3a3270 RDI: 0000000000000001 [ 37.773268][ T165] RBP: 00007fff6da48f80 R08: 0000000000000000 R09: 0000000000000000 [ 37.773269][ T165] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 37.773270][ T165] R13: 0000000000000002 R14: 0000559a3f3a3270 R15: 0000000000000000 | [ 38.792321][ T68] softirqs last disabled at (51522): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 38.792323][ T68] Preemption disabled at: | [ 38.792324][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 38.792334][ T68] Tainted: [W]=WARN [ 38.792335][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.792337][ T68] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 38.792341][ T68] Call Trace: [ 38.792342][ T68] [ 38.792344][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.792349][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 38.792351][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 38.792356][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.792360][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 38.792365][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 38.792367][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.792373][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 38.792375][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.792379][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 38.792382][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.792385][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.792389][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.792391][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.792395][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.792398][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 38.792399][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.792401][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.792405][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.792407][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 38.792410][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.792412][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.792416][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.792420][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.792424][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.792426][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.792430][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.792434][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.792436][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.792441][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.792444][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.792446][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.792448][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 38.792451][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.792453][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.792456][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 38.792460][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.792463][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.792468][ T68] dev_vprintk_emit (drivers/base/core.c:5000) [ 38.792473][ T68] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 38.792475][ T68] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 38.792482][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.792486][ T68] dev_printk_emit (drivers/base/core.c:5011) [ 38.792489][ T68] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 38.792491][ T68] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 38.792500][ T68] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 38.792505][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 38.792508][ T68] ? netdev_notice (net/core/dev.c:13194) [ 38.792512][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.792514][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 38.792517][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.792521][ T68] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 38.792529][ T68] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 38.792531][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 38.792533][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 38.792537][ T68] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 38.792541][ T68] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 38.792547][ T68] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 38.792553][ T68] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 38.792556][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.792558][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.792560][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.792563][ T68] ? process_one_work (kernel/workqueue.c:3386) [ 38.792564][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 38.792573][ T68] process_one_work (kernel/workqueue.c:3387) [ 38.792580][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 38.792582][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.792591][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 38.792595][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.792597][ T68] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 38.792600][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.792603][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.792604][ T68] kthread (kernel/kthread.c:436) [ 38.792606][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.792610][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.792612][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 38.792617][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 38.792621][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 38.792624][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.792627][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 39.935322][ T68] softirqs last disabled at (55346): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 39.935324][ T68] Preemption disabled at: | [ 39.935325][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 39.935334][ T68] Tainted: [W]=WARN [ 39.935335][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.935337][ T68] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 39.935340][ T68] Call Trace: [ 39.935342][ T68] [ 39.935344][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.935350][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 39.935352][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 39.935356][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.935360][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 39.935365][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 39.935367][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.935373][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 39.935375][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.935378][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 39.935381][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.935384][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.935388][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.935391][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 39.935394][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.935397][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 39.935399][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.935400][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.935404][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.935406][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 39.935409][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.935412][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.935416][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.935420][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.935424][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.935426][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.935430][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.935434][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.935436][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.935441][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.935444][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.935445][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.935447][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 39.935451][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.935452][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.935455][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 39.935459][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.935462][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.935467][ T68] dev_vprintk_emit (drivers/base/core.c:5000) [ 39.935472][ T68] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 39.935477][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.935482][ T68] dev_printk_emit (drivers/base/core.c:5011) [ 39.935485][ T68] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 39.935493][ T68] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 39.935499][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 39.935501][ T68] ? netdev_notice (net/core/dev.c:13194) [ 39.935505][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.935507][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 39.935510][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.935514][ T68] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 39.935521][ T68] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 39.935525][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 39.935527][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 39.935531][ T68] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 39.935535][ T68] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 39.935541][ T68] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 39.935547][ T68] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 39.935550][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.935552][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.935554][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.935557][ T68] ? process_one_work (kernel/workqueue.c:3386) [ 39.935559][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 39.935560][ T68] process_one_work (kernel/workqueue.c:3387) [ 39.935566][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 39.935569][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.935583][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 39.935588][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.935589][ T68] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 39.935593][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.935595][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.935597][ T68] kthread (kernel/kthread.c:436) [ 39.935599][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 39.935602][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.935605][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 39.935610][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 39.935614][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 39.935617][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.935619][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 41.018023][ T86] softirqs last disabled at (1729730): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 41.018025][ T86] Preemption disabled at: | [ 41.018025][ T86] vprintk_emit (kernel/printk/printk.c:2471) | [ 41.018035][ T86] Tainted: [W]=WARN [ 41.018036][ T86] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.018038][ T86] Call Trace: [ 41.018039][ T86] [ 41.018041][ T86] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.018046][ T86] ? vprintk_emit (kernel/printk/printk.c:2471) [ 41.018048][ T86] __might_resched.cold (kernel/sched/core.c:9234) [ 41.018053][ T86] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.018057][ T86] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 41.018062][ T86] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 41.018064][ T86] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.018069][ T86] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 41.018072][ T86] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.018075][ T86] put_chars (drivers/char/virtio_console.c:1176) [ 41.018078][ T86] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.018079][ T86] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.018084][ T86] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.018086][ T86] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.018091][ T86] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.018094][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.018099][ T86] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.018101][ T86] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.018106][ T86] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.018110][ T86] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.018114][ T86] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.018117][ T86] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.018120][ T86] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.018125][ T86] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.018126][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.018131][ T86] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.018134][ T86] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.018136][ T86] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.018138][ T86] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 41.018141][ T86] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.018143][ T86] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.018146][ T86] vprintk_emit (kernel/printk/printk.c:2479) [ 41.018149][ T86] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.018152][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.018153][ T86] ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898) [ 41.018160][ T86] dev_vprintk_emit (drivers/base/core.c:5000) [ 41.018166][ T86] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 41.018171][ T86] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.018176][ T86] dev_printk_emit (drivers/base/core.c:5011) [ 41.018178][ T86] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 41.018180][ T86] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.018183][ T86] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.018185][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.018186][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.018188][ T86] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.018190][ T86] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.018194][ T86] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 41.018199][ T86] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 41.018202][ T86] ? netdev_notice (net/core/dev.c:13194) [ 41.018204][ T86] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.018207][ T86] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.018213][ T86] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 41.018216][ T86] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 41.018219][ T86] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 41.018222][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.018224][ T86] ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898) [ 41.018226][ T86] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 41.018229][ T86] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 41.018232][ T86] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.018235][ T86] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 41.018241][ T86] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 41.018244][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.018247][ T86] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 41.018249][ T86] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.018250][ T86] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.018252][ T86] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.018254][ T86] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.018258][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.018262][ T86] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.018264][ T86] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 41.018267][ T86] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.018269][ T86] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.018271][ T86] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.018272][ T86] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.018274][ T86] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 41.018277][ T86] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 41.018280][ T86] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 41.018281][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.018283][ T86] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 41.018286][ T86] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.018288][ T86] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 41.018290][ T86] ? nla_get_range_signed (lib/nlattr.c:270) [ 41.018296][ T86] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.018299][ T86] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 41.018308][ T86] rtnl_setlink (net/core/rtnetlink.c:3596) [ 41.018311][ T86] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 41.018313][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.018336][ T86] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.018338][ T86] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.018341][ T86] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.018342][ T86] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.018344][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.018349][ T86] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.018350][ T86] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.018352][ T86] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 41.018355][ T86] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.018358][ T86] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 41.018360][ T86] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 41.018364][ T86] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.018366][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.018370][ T86] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.018372][ T86] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.018376][ T86] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 41.018379][ T86] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.018383][ T86] ? netlink_ack (./include/linux/skbuff.h:2718) [ 41.018389][ T86] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 41.018391][ T86] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 41.018396][ T86] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 41.018400][ T86] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 41.018403][ T86] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.018408][ T86] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 41.018412][ T86] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 41.018416][ T86] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 41.018419][ T86] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 41.018423][ T86] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 41.018426][ T86] ? __ia32_sys_getpeername (net/socket.c:2235) [ 41.018441][ T86] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 41.018443][ T86] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 41.018447][ T86] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 41.018450][ T86] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 41.018451][ T86] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 41.018452][ T86] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 41.018455][ T86] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 41.018457][ T86] RIP: 0033:0x7f6141f7354e [ 41.018461][ T86] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 41.018463][ T86] RSP: 002b:00007ffdced5de90 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 41.018466][ T86] RAX: ffffffffffffffda RBX: 0000564be09fef40 RCX: 00007f6141f7354e [ 41.018468][ T86] RDX: 0000000000000030 RSI: 0000564be0b97640 RDI: 000000000000001a [ 41.018468][ T86] RBP: 00007ffdced5dea0 R08: 00007ffdced5def0 R09: 0000000000000080 [ 41.018469][ T86] R10: 0000000000000000 R11: 0000000000000202 R12: 0000564be0ba00b0 [ 41.018470][ T86] R13: 00007ffdced5dfd4 R14: 0000000000000000 R15: 0000000000000000 | [ 42.112951][ T165] softirqs last disabled at (4529650): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464) | [ 42.112953][ T165] Preemption disabled at: | [ 42.112954][ T165] vprintk_emit (kernel/printk/printk.c:2471) | [ 42.112964][ T165] Tainted: [W]=WARN [ 42.112965][ T165] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.112966][ T165] Call Trace: [ 42.112968][ T165] [ 42.112970][ T165] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.112976][ T165] ? vprintk_emit (kernel/printk/printk.c:2471) [ 42.112978][ T165] __might_resched.cold (kernel/sched/core.c:9234) [ 42.112982][ T165] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.112986][ T165] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 42.112991][ T165] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 42.112993][ T165] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.112998][ T165] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 42.113001][ T165] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.113004][ T165] put_chars (drivers/char/virtio_console.c:1176) [ 42.113006][ T165] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 42.113009][ T165] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.113011][ T165] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 42.113017][ T165] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.113024][ T165] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.113026][ T165] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.113030][ T165] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.113034][ T165] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.113038][ T165] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.113042][ T165] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.113044][ T165] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.113048][ T165] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.113052][ T165] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.113054][ T165] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.113060][ T165] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.113062][ T165] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.113064][ T165] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.113066][ T165] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 42.113070][ T165] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.113071][ T165] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.113074][ T165] vprintk_emit (kernel/printk/printk.c:2479) [ 42.113078][ T165] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.113081][ T165] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.113082][ T165] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.113086][ T165] dev_vprintk_emit (drivers/base/core.c:5000) [ 42.113092][ T165] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 42.113096][ T165] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 42.113101][ T165] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.113105][ T165] dev_printk_emit (drivers/base/core.c:5011) [ 42.113108][ T165] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 42.113111][ T165] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.113117][ T165] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 42.113123][ T165] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 42.113125][ T165] ? netdev_notice (net/core/dev.c:13194) [ 42.113126][ T165] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.113132][ T165] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.113137][ T165] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 42.113144][ T165] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.113146][ T165] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 42.113149][ T165] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:226 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 42.113154][ T165] ? __mutex_lock (kernel/locking/mutex.c:649 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 42.113162][ T165] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 42.113164][ T165] ? neigh_flush_one (./include/linux/skbuff.h:2196) [ 42.113169][ T165] udp_tunnel_nic_flush (net/ipv4/udp_tunnel_nic.c:691) udp_tunnel [ 42.113176][ T165] udp_tunnel_nic_unregister (net/ipv4/udp_tunnel_nic.c:903) udp_tunnel [ 42.113182][ T165] udp_tunnel_nic_netdevice_event (net/ipv4/udp_tunnel_nic.c:944) udp_tunnel [ 42.113188][ T165] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.113190][ T165] notifier_call_chain (kernel/notifier.c:85) [ 42.113197][ T165] unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518) [ 42.113203][ T165] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 42.113205][ T165] ? nsim_destroy (drivers/net/netdevsim/netdev.c:1193) netdevsim [ 42.113213][ T165] ? netdev_run_todo (net/core/dev.c:11776) [ 42.113216][ T165] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 42.113221][ T165] ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1)) [ 42.113223][ T165] unregister_netdevice_queue (net/core/dev.c:12589 net/core/dev.c:12390 net/core/dev.c:12376) [ 42.113225][ T165] ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:134 net/core/dev.c:2188) [ 42.113228][ T165] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.113230][ T165] ? unregister_netdevice_many (net/core/dev.c:12589) [ 42.113235][ T165] nsim_destroy (./include/linux/netdevice.h:3487 drivers/net/netdevsim/netdev.c:1198) netdevsim [ 42.113240][ T165] ? kstrtouint (lib/kstrtox.c:236) [ 42.113245][ T165] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1472) netdevsim [ 42.113250][ T165] ? nsim_drv_port_del (drivers/net/netdevsim/dev.c:1776 (discriminator 1)) netdevsim [ 42.113254][ T165] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1781) netdevsim [ 42.113258][ T165] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim [ 42.113263][ T165] ? sysfs_file_kobj (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/rcupdate.h:1216 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2)) [ 42.113265][ T165] ? del_device_store (./include/linux/list.h:135 (discriminator 2)) netdevsim [ 42.113269][ T165] ? sysfs_file_kobj (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 fs/sysfs/file.c:24) [ 42.113271][ T165] ? sysfs_kf_write (fs/sysfs/file.c:140) [ 42.113274][ T165] kernfs_fop_write_iter (fs/kernfs/file.c:345) [ 42.113277][ T165] ? kernfs_ops (fs/kernfs/file.c:121) [ 42.113279][ T165] new_sync_write (fs/read_write.c:595) [ 42.113282][ T165] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.113284][ T165] ? new_sync_read (./include/linux/ioprio.h:41) [ 42.113288][ T165] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.113289][ T165] ? ksys_write (fs/read_write.c:739) [ 42.113296][ T165] vfs_write (fs/read_write.c:687) [ 42.113301][ T165] ksys_write (fs/read_write.c:739) [ 42.113304][ T165] ? __ia32_sys_read (fs/read_write.c:723) [ 42.113305][ T165] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 42.113308][ T165] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.113312][ T165] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 42.113314][ T165] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 42.113317][ T165] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.113319][ T165] RIP: 0033:0x7f2ff82a654e [ 42.113324][ T165] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 42.113325][ T165] RSP: 002b:00007fff6da48f70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 42.113328][ T165] RAX: ffffffffffffffda RBX: 00007f2ff8427580 RCX: 00007f2ff82a654e [ 42.113330][ T165] RDX: 0000000000000002 RSI: 0000559a3f3a3270 RDI: 0000000000000001 [ 42.113330][ T165] RBP: 00007fff6da48f80 R08: 0000000000000000 R09: 0000000000000000 [ 42.113331][ T165] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 42.113332][ T165] R13: 0000000000000002 R14: 0000559a3f3a3270 R15: 0000000000000000 | [ 43.342257][ T85] softirqs last disabled at (4737420): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 43.342259][ T85] Preemption disabled at: | [ 43.342260][ T85] vprintk_emit (kernel/printk/printk.c:2471) | [ 43.342269][ T85] Tainted: [W]=WARN [ 43.342270][ T85] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.342272][ T85] Call Trace: [ 43.342274][ T85] [ 43.342275][ T85] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.342281][ T85] ? vprintk_emit (kernel/printk/printk.c:2471) [ 43.342283][ T85] __might_resched.cold (kernel/sched/core.c:9234) [ 43.342287][ T85] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.342291][ T85] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 43.342296][ T85] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 43.342298][ T85] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.342304][ T85] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 43.342306][ T85] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.342310][ T85] put_chars (drivers/char/virtio_console.c:1176) [ 43.342313][ T85] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.342314][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.342319][ T85] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.342321][ T85] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.342326][ T85] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.342328][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.342333][ T85] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.342336][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.342341][ T85] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.342345][ T85] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.342349][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.342351][ T85] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.342355][ T85] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.342359][ T85] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.342360][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.342365][ T85] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.342368][ T85] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.342369][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.342371][ T85] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.342375][ T85] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.342376][ T85] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.342379][ T85] vprintk_emit (kernel/printk/printk.c:2479) [ 43.342383][ T85] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.342385][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.342387][ T85] ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898) [ 43.342393][ T85] dev_vprintk_emit (drivers/base/core.c:5000) [ 43.342399][ T85] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 43.342404][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 43.342408][ T85] dev_printk_emit (drivers/base/core.c:5011) [ 43.342411][ T85] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 43.342413][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.342415][ T85] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.342417][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.342419][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.342420][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.342422][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.342426][ T85] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 43.342431][ T85] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 43.342434][ T85] ? netdev_notice (net/core/dev.c:13194) [ 43.342436][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.342440][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 43.342442][ T85] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 43.342445][ T85] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 43.342448][ T85] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 43.342451][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.342453][ T85] ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898) [ 43.342455][ T85] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 43.342458][ T85] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 43.342460][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.342463][ T85] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 43.342469][ T85] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 43.342472][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.342475][ T85] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 43.342476][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 43.342478][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.342480][ T85] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.342482][ T85] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.342486][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.342490][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.342492][ T85] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 43.342495][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.342497][ T85] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.342498][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.342500][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.342502][ T85] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 43.342504][ T85] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 43.342507][ T85] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 43.342509][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.342511][ T85] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 43.342513][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 43.342515][ T85] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 43.342517][ T85] ? nla_get_range_signed (lib/nlattr.c:270) [ 43.342523][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 43.342526][ T85] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 43.342534][ T85] rtnl_setlink (net/core/rtnetlink.c:3596) [ 43.342538][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 43.342539][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.342563][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.342564][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.342567][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 43.342569][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 43.342571][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.342575][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.342577][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.342579][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 43.342581][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 43.342591][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 43.342593][ T85] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 43.342597][ T85] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 43.342598][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.342603][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.342604][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.342608][ T85] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 43.342611][ T85] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 43.342615][ T85] ? netlink_ack (./include/linux/skbuff.h:2718) [ 43.342621][ T85] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 43.342623][ T85] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 43.342628][ T85] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 43.342632][ T85] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 43.342634][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.342639][ T85] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 43.342643][ T85] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 43.342646][ T85] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 43.342650][ T85] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 43.342653][ T85] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 43.342657][ T85] ? __ia32_sys_getpeername (net/socket.c:2235) [ 43.342670][ T85] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 43.342672][ T85] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.342676][ T85] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 43.342679][ T85] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 43.342680][ T85] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 43.342681][ T85] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 43.342684][ T85] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 43.342687][ T85] RIP: 0033:0x7f6141f7354e [ 43.342691][ T85] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 43.342693][ T85] RSP: 002b:00007ffdced5de90 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 43.342696][ T85] RAX: ffffffffffffffda RBX: 0000564be09fef40 RCX: 00007f6141f7354e [ 43.342697][ T85] RDX: 0000000000000030 RSI: 0000564be0bd8830 RDI: 0000000000000018 [ 43.342698][ T85] RBP: 00007ffdced5dea0 R08: 00007ffdced5def0 R09: 0000000000000080 [ 43.342699][ T85] R10: 0000000000000000 R11: 0000000000000202 R12: 0000564be0be7090 [ 43.342699][ T85] R13: 00007ffdced5dfd4 R14: 0000000000000000 R15: 0000000000000000 | [ 44.462334][ T12] softirqs last disabled at (29442): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 44.462336][ T12] Preemption disabled at: | [ 44.462337][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 44.462346][ T12] Tainted: [W]=WARN [ 44.462347][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.462350][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 44.462353][ T12] Call Trace: [ 44.462355][ T12] [ 44.462357][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.462362][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 44.462364][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 44.462369][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.462372][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 44.462377][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 44.462380][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.462385][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 44.462388][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.462391][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 44.462394][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.462397][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.462402][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.462405][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.462409][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.462412][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 44.462414][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.462415][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.462419][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.462421][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 44.462424][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.462427][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.462430][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.462434][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.462439][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.462441][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.462445][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.462449][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.462450][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.462456][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.462458][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.462460][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.462462][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 44.462465][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.462467][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.462470][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 44.462474][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.462477][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.462481][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 44.462487][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 44.462489][ T12] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 44.462499][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 44.462501][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 44.462507][ T12] ? should_we_balance (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 kernel/sched/fair.c:13328) [ 44.462511][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 44.462517][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 44.462519][ T12] ? netdev_notice (net/core/dev.c:13194) [ 44.462523][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.462525][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 44.462528][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.462532][ T12] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 44.462540][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 44.462543][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 44.462545][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 44.462549][ T12] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 44.462553][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 44.462559][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 44.462565][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 44.462568][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.462570][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.462571][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.462575][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 44.462576][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 44.462578][ T12] process_one_work (kernel/workqueue.c:3387) [ 44.462584][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 44.462594][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.462602][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 44.462610][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.462611][ T12] kthread (kernel/kthread.c:436) [ 44.462614][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 44.462618][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.462620][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 44.462625][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 44.462629][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 44.462632][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.462634][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 45.486319][ T12] softirqs last disabled at (33754): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 45.486321][ T12] Preemption disabled at: | [ 45.486322][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 45.486331][ T12] Tainted: [W]=WARN [ 45.486332][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.486334][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 45.486338][ T12] Call Trace: [ 45.486339][ T12] [ 45.486341][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.486346][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 45.486348][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 45.486353][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.486357][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 45.486362][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 45.486364][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.486369][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 45.486372][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.486375][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 45.486378][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.486381][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 45.486385][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 45.486387][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 45.486391][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.486394][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 45.486396][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.486397][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.486401][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.486403][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 45.486406][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.486408][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.486412][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.486416][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.486421][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.486423][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.486427][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.486431][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.486432][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.486438][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.486440][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.486442][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.486444][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 45.486448][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.486449][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.486453][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 45.486457][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.486460][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.486465][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 45.486470][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 45.486472][ T12] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 45.486480][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.486484][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 45.486486][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 45.486488][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 45.486497][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 45.486503][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 45.486506][ T12] ? netdev_notice (net/core/dev.c:13194) [ 45.486510][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.486512][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 45.486515][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.486519][ T12] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 45.486527][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 45.486529][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 45.486531][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 45.486535][ T12] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 45.486539][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 45.486545][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 45.486552][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 45.486554][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.486556][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.486558][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.486561][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 45.486563][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 45.486564][ T12] process_one_work (kernel/workqueue.c:3387) [ 45.486571][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 45.486574][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.486582][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 45.486595][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.486598][ T12] kthread (kernel/kthread.c:436) [ 45.486601][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.486605][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.486607][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 45.486612][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 45.486616][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 45.486619][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.486621][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 46.555308][ T12] softirqs last disabled at (37438): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 46.555311][ T12] Preemption disabled at: | [ 46.555311][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 46.555320][ T12] Tainted: [W]=WARN [ 46.555321][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.555323][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 46.555327][ T12] Call Trace: [ 46.555329][ T12] [ 46.555330][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.555336][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 46.555338][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 46.555342][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.555346][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 46.555351][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 46.555353][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.555359][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 46.555361][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.555364][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 46.555367][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.555370][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.555374][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.555376][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.555380][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.555383][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 46.555384][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.555386][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.555390][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.555392][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 46.555395][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.555397][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.555401][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.555404][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.555409][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.555411][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.555415][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.555419][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.555420][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.555425][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.555428][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.555429][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.555431][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 46.555435][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.555436][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.555440][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 46.555443][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.555446][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.555450][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 46.555456][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 46.555458][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.555466][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 46.555468][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 46.555473][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.555475][ T12] ? should_we_balance (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 kernel/sched/fair.c:13328) [ 46.555479][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 46.555484][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 46.555486][ T12] ? netdev_notice (net/core/dev.c:13194) [ 46.555490][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.555492][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 46.555495][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.555499][ T12] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 46.555506][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 46.555510][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 46.555512][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 46.555516][ T12] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:226 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 46.555520][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 46.555525][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 46.555532][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 46.555534][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.555536][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.555538][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.555542][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 46.555543][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 46.555544][ T12] process_one_work (kernel/workqueue.c:3387) [ 46.555551][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 46.555553][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.555561][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 46.555568][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 46.555570][ T12] kthread (kernel/kthread.c:436) [ 46.555573][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 46.555576][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 46.555579][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 46.555583][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 46.555587][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 46.555589][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 46.555592][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 47.648034][ T12] softirqs last disabled at (38358): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 47.648036][ T12] Preemption disabled at: | [ 47.648037][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 47.648046][ T12] Tainted: [W]=WARN [ 47.648047][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 47.648049][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 47.648053][ T12] Call Trace: [ 47.648055][ T12] [ 47.648056][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 47.648062][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 47.648064][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 47.648069][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 47.648073][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 47.648079][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 47.648081][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.648087][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 47.648090][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.648093][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 47.648097][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 47.648100][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 47.648105][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 47.648107][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 47.648111][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 47.648114][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 47.648116][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.648117][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.648121][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 47.648124][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 47.648127][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.648130][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.648134][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 47.648139][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 47.648144][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.648146][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.648151][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 47.648155][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 47.648157][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.648163][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 47.648166][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 47.648168][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.648170][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 47.648174][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 47.648176][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 47.648180][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 47.648184][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 47.648187][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.648192][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 47.648198][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 47.648200][ T12] ? sched_clock_cpu (kernel/sched/clock.c:400) [ 47.648213][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 47.648217][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 47.648222][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 47.648225][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 47.648227][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 47.648229][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 47.648233][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 47.648239][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 47.648242][ T12] ? netdev_notice (net/core/dev.c:13194) [ 47.648246][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.648248][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 47.648252][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.648257][ T12] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 47.648264][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 47.648268][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 47.648270][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 47.648274][ T12] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:226 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 47.648278][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 47.648285][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 47.648292][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 47.648295][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.648297][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.648299][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.648303][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 47.648305][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 47.648306][ T12] process_one_work (kernel/workqueue.c:3387) [ 47.648314][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 47.648317][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.648326][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 47.648334][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 47.648336][ T12] kthread (kernel/kthread.c:436) [ 47.648338][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 47.648342][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 47.648345][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 47.648350][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 47.648355][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 47.648357][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 47.648360][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 48.730993][ T85] softirqs last disabled at (5874032): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 48.730995][ T85] Preemption disabled at: | [ 48.730996][ T85] vprintk_emit (kernel/printk/printk.c:2471) | [ 48.731005][ T85] Tainted: [W]=WARN [ 48.731006][ T85] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 48.731008][ T85] Call Trace: [ 48.731010][ T85] [ 48.731011][ T85] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 48.731017][ T85] ? vprintk_emit (kernel/printk/printk.c:2471) [ 48.731019][ T85] __might_resched.cold (kernel/sched/core.c:9234) [ 48.731024][ T85] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 48.731028][ T85] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 48.731033][ T85] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 48.731035][ T85] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.731040][ T85] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 48.731043][ T85] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.731046][ T85] put_chars (drivers/char/virtio_console.c:1176) [ 48.731049][ T85] ? __send_to_port (drivers/char/virtio_console.c:654) [ 48.731051][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 48.731055][ T85] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 48.731057][ T85] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 48.731062][ T85] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 48.731065][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.731070][ T85] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 48.731073][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.731078][ T85] console_emit_next_record (kernel/printk/printk.c:3183) [ 48.731082][ T85] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 48.731086][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.731089][ T85] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.731093][ T85] console_flush_one_record (kernel/printk/printk.c:3268) [ 48.731097][ T85] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 48.731098][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.731104][ T85] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 48.731106][ T85] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 48.731108][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.731110][ T85] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 48.731114][ T85] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 48.731115][ T85] ? vprintk_emit (kernel/printk/printk.c:2478) [ 48.731118][ T85] vprintk_emit (kernel/printk/printk.c:2479) [ 48.731122][ T85] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 48.731124][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.731126][ T85] ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898) [ 48.731133][ T85] dev_vprintk_emit (drivers/base/core.c:5000) [ 48.731138][ T85] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 48.731143][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 48.731148][ T85] dev_printk_emit (drivers/base/core.c:5011) [ 48.731151][ T85] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 48.731153][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 48.731155][ T85] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 48.731157][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.731159][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.731160][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 48.731162][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 48.731166][ T85] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 48.731172][ T85] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 48.731174][ T85] ? netdev_notice (net/core/dev.c:13194) [ 48.731177][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 48.731180][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 48.731182][ T85] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 48.731186][ T85] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 48.731188][ T85] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 48.731192][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.731193][ T85] ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898) [ 48.731195][ T85] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 48.731199][ T85] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 48.731201][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 48.731204][ T85] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 48.731215][ T85] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 48.731218][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.731221][ T85] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 48.731223][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 48.731224][ T85] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 48.731226][ T85] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 48.731228][ T85] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 48.731232][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.731237][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 48.731238][ T85] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 48.731242][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.731244][ T85] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.731245][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.731247][ T85] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.731249][ T85] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 48.731251][ T85] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 48.731255][ T85] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 48.731256][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.731258][ T85] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 48.731260][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 48.731262][ T85] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 48.731264][ T85] ? nla_get_range_signed (lib/nlattr.c:270) [ 48.731270][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 48.731273][ T85] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 48.731281][ T85] rtnl_setlink (net/core/rtnetlink.c:3596) [ 48.731285][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 48.731287][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.731309][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 48.731311][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 48.731314][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 48.731316][ T85] ? mark_usage (kernel/locking/lockdep.c:4690) [ 48.731318][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.731322][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 48.731324][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 48.731326][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 48.731328][ T85] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 48.731332][ T85] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 48.731334][ T85] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 48.731337][ T85] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 48.731339][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.731343][ T85] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 48.731345][ T85] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 48.731349][ T85] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 48.731352][ T85] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 48.731356][ T85] ? netlink_ack (./include/linux/skbuff.h:2718) [ 48.731362][ T85] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 48.731365][ T85] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 48.731369][ T85] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 48.731374][ T85] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 48.731376][ T85] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.731381][ T85] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 48.731385][ T85] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 48.731389][ T85] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 48.731392][ T85] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 48.731395][ T85] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 48.731399][ T85] ? __ia32_sys_getpeername (net/socket.c:2235) [ 48.731413][ T85] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 48.731415][ T85] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 48.731419][ T85] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 48.731422][ T85] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 48.731423][ T85] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 48.731425][ T85] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 48.731428][ T85] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 48.731430][ T85] RIP: 0033:0x7f6141f7354e [ 48.731434][ T85] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 48.731436][ T85] RSP: 002b:00007ffdced5de90 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 48.731439][ T85] RAX: ffffffffffffffda RBX: 0000564be09fef40 RCX: 00007f6141f7354e [ 48.731441][ T85] RDX: 0000000000000030 RSI: 0000564be0bdfa10 RDI: 0000000000000018 [ 48.731441][ T85] RBP: 00007ffdced5dea0 R08: 00007ffdced5def0 R09: 0000000000000080 [ 48.731442][ T85] R10: 0000000000000000 R11: 0000000000000202 R12: 0000564be0bf7380 [ 48.731443][ T85] R13: 00007ffdced5dfd4 R14: 0000000000000000 R15: 0000000000000000 | [ 49.865439][ T12] softirqs last disabled at (40234): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 49.865442][ T12] Preemption disabled at: | [ 49.865443][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 49.865456][ T12] Tainted: [W]=WARN [ 49.865457][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.865460][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 49.865465][ T12] Call Trace: [ 49.865467][ T12] [ 49.865469][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 49.865476][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 49.865479][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 49.865484][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 49.865489][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 49.865496][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 49.865499][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.865507][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 49.865510][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.865515][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 49.865519][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 49.865524][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 49.865530][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 49.865533][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 49.865539][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 49.865542][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 49.865545][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.865546][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.865552][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 49.865556][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 49.865560][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.865564][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.865570][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 49.865575][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 49.865582][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.865585][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.865592][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 49.865598][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 49.865600][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.865615][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 49.865619][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 49.865621][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.865624][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 49.865630][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 49.865632][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 49.865637][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 49.865643][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 49.865646][ T12] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 49.865655][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 49.865661][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 49.865669][ T12] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 49.865671][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 49.865675][ T12] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 49.865677][ T12] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 49.865680][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 49.865687][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 49.865691][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 49.865696][ T12] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 49.865700][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 49.865703][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 49.865705][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 49.865711][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 49.865719][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 49.865723][ T12] ? netdev_notice (net/core/dev.c:13194) [ 49.865729][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.865732][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 49.865737][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.865744][ T12] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 49.865753][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 49.865758][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 49.865761][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 49.865766][ T12] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:226 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 49.865772][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 49.865781][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 49.865791][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 49.865796][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.865798][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.865801][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.865807][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 49.865809][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 49.865811][ T12] process_one_work (kernel/workqueue.c:3387) [ 49.865821][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 49.865826][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.865838][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 49.865850][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.865852][ T12] kthread (kernel/kthread.c:436) [ 49.865855][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 49.865860][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.865864][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 49.865870][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 49.865876][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 49.865879][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.865883][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 50.933321][ T68] softirqs last disabled at (72258): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 50.933323][ T68] Preemption disabled at: | [ 50.933323][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 50.933333][ T68] Tainted: [W]=WARN [ 50.933334][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 50.933336][ T68] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 50.933339][ T68] Call Trace: [ 50.933341][ T68] [ 50.933343][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 50.933349][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 50.933351][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 50.933356][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 50.933360][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 50.933365][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 50.933367][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.933373][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 50.933375][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.933379][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 50.933382][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 50.933385][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 50.933390][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 50.933392][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 50.933396][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 50.933399][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 50.933401][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.933402][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.933406][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 50.933408][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 50.933412][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.933414][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.933418][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 50.933422][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 50.933427][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.933429][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.933434][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 50.933438][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 50.933440][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.933445][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 50.933448][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 50.933450][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.933452][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 50.933456][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 50.933457][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 50.933461][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 50.933465][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 50.933468][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 50.933474][ T68] dev_vprintk_emit (drivers/base/core.c:5000) [ 50.933479][ T68] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 50.933481][ T68] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 50.933492][ T68] dev_printk_emit (drivers/base/core.c:5011) [ 50.933495][ T68] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 50.933500][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 50.933502][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 50.933504][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 50.933508][ T68] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 50.933513][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 50.933516][ T68] ? netdev_notice (net/core/dev.c:13194) [ 50.933520][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 50.933522][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 50.933526][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.933530][ T68] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 50.933538][ T68] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 50.933542][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 50.933544][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 50.933548][ T68] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 50.933552][ T68] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 50.933559][ T68] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 50.933565][ T68] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 50.933568][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.933570][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.933572][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.933575][ T68] ? process_one_work (kernel/workqueue.c:3386) [ 50.933577][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 50.933579][ T68] process_one_work (kernel/workqueue.c:3387) [ 50.933586][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 50.933588][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 50.933597][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 50.933601][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 50.933603][ T68] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 50.933607][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 50.933616][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 50.933618][ T68] kthread (kernel/kthread.c:436) [ 50.933620][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 50.933624][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 50.933627][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 50.933632][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 50.933637][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 50.933640][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 50.933642][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 51.953389][ T68] softirqs last disabled at (73774): __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 51.953392][ T68] Preemption disabled at: | [ 51.953392][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 51.953401][ T68] Tainted: [W]=WARN [ 51.953402][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 51.953405][ T68] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 51.953408][ T68] Call Trace: [ 51.953410][ T68] [ 51.953411][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 51.953416][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 51.953418][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 51.953423][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 51.953427][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 51.953432][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 51.953434][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.953439][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 51.953442][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.953445][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 51.953448][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 51.953451][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 51.953455][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 51.953457][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 51.953461][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 51.953464][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 51.953465][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.953467][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.953471][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 51.953473][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 51.953476][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.953478][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.953482][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 51.953486][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 51.953490][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.953492][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.953496][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 51.953500][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 51.953501][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.953507][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 51.953509][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 51.953511][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.953513][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 51.953516][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 51.953518][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 51.953521][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 51.953525][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 51.953527][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 51.953532][ T68] dev_vprintk_emit (drivers/base/core.c:5000) [ 51.953538][ T68] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 51.953543][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 51.953545][ T68] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 51.953549][ T68] dev_printk_emit (drivers/base/core.c:5011) [ 51.953551][ T68] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 51.953555][ T68] ? neigh_resolve_output.part.0 (./include/linux/netdevice.h:3537 net/core/neighbour.c:1611) [ 51.953558][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 51.953560][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 51.953562][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 51.953564][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 51.953567][ T68] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 51.953572][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 51.953574][ T68] ? netdev_notice (net/core/dev.c:13194) [ 51.953578][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 51.953580][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 51.953583][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.953587][ T68] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 51.953594][ T68] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 51.953598][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 51.953600][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 51.953604][ T68] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:226 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 51.953608][ T68] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 51.953621][ T68] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 51.953631][ T68] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 51.953635][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.953638][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.953641][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.953644][ T68] ? process_one_work (kernel/workqueue.c:3386) [ 51.953646][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 51.953647][ T68] process_one_work (kernel/workqueue.c:3387) [ 51.953653][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 51.953656][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 51.953664][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 51.953668][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 51.953669][ T68] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 51.953673][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 51.953675][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 51.953677][ T68] kthread (kernel/kthread.c:436) [ 51.953679][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 51.953682][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 51.953684][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 51.953689][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 51.953693][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 51.953695][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 51.953698][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 53.158659][ T68] softirqs last disabled at (78754): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 53.158661][ T68] Preemption disabled at: | [ 53.158662][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 53.158671][ T68] Tainted: [W]=WARN [ 53.158672][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 53.158674][ T68] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 53.158678][ T68] Call Trace: [ 53.158679][ T68] [ 53.158681][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 53.158686][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 53.158688][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 53.158693][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 53.158697][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 53.158701][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 53.158703][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.158709][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 53.158711][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.158715][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 53.158718][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 53.158721][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 53.158725][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 53.158727][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 53.158731][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 53.158734][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 53.158736][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.158737][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.158741][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 53.158743][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 53.158746][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.158748][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.158752][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 53.158756][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 53.158760][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.158762][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.158766][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 53.158770][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 53.158772][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.158777][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 53.158780][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 53.158781][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.158783][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 53.158787][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 53.158788][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 53.158791][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 53.158795][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 53.158798][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 53.158803][ T68] dev_vprintk_emit (drivers/base/core.c:5000) [ 53.158809][ T68] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 53.158811][ T68] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 53.158818][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 53.158822][ T68] dev_printk_emit (drivers/base/core.c:5011) [ 53.158824][ T68] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 53.158826][ T68] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 53.158835][ T68] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 53.158840][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 53.158843][ T68] ? netdev_notice (net/core/dev.c:13194) [ 53.158847][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 53.158849][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 53.158852][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.158856][ T68] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 53.158863][ T68] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 53.158866][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 53.158868][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 53.158872][ T68] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 53.158876][ T68] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 53.158882][ T68] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 53.158888][ T68] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 53.158891][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.158893][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.158894][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.158898][ T68] ? process_one_work (kernel/workqueue.c:3386) [ 53.158899][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 53.158901][ T68] process_one_work (kernel/workqueue.c:3387) [ 53.158907][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 53.158910][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 53.158918][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 53.158922][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 53.158923][ T68] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 53.158927][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 53.158929][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 53.158931][ T68] kthread (kernel/kthread.c:436) [ 53.158933][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 53.158936][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 53.158939][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 53.158944][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 53.158948][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 53.158950][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __dev_queue_xmit:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars addrconf_dad_begin:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars