====================================== | [ 9.077057][ T83] softirqs last disabled at (447404): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 9.077059][ T83] Preemption disabled at: | [ 9.077059][ T83] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.077068][ T83] Tainted: [W]=WARN [ 9.077069][ T83] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.077070][ T83] Call Trace: [ 9.077072][ T83] [ 9.077073][ T83] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.077079][ T83] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.077081][ T83] __might_resched.cold (kernel/sched/core.c:9234) [ 9.077086][ T83] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.077090][ T83] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.077095][ T83] __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)) [ 9.077097][ T83] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.077102][ T83] ? 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) [ 9.077105][ T83] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.077108][ T83] put_chars (drivers/char/virtio_console.c:1176) [ 9.077111][ T83] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.077114][ T83] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.077119][ T83] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.077121][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.077126][ T83] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.077129][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.077141][ T83] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.077144][ T83] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.077149][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.077151][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.077154][ T83] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.077158][ T83] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.077160][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.077165][ T83] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.077167][ T83] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.077169][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.077171][ T83] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.077174][ T83] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.077176][ T83] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.077179][ T83] vprintk_emit (kernel/printk/printk.c:2479) [ 9.077182][ T83] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.077184][ T83] ? write_profile (profile.c:?) [ 9.077188][ T83] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 9.077194][ T83] dev_vprintk_emit (drivers/base/core.c:5000) [ 9.077199][ T83] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 9.077203][ T83] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.077209][ T83] dev_printk_emit (drivers/base/core.c:5011) [ 9.077212][ T83] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 9.077216][ T83] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 9.077220][ T83] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 9.077225][ T83] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.077227][ T83] ? netdev_notice (net/core/dev.c:13194) [ 9.077230][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.077234][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.077236][ T83] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.077239][ T83] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.077242][ T83] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 9.077245][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.077246][ T83] ? 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) [ 9.077249][ T83] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 9.077252][ T83] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 9.077254][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.077257][ T83] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.077263][ T83] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.077266][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.077268][ T83] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.077270][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.077271][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.077274][ T83] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.077276][ T83] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.077280][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.077287][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.077288][ T83] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.077291][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.077293][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.077295][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.077296][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.077298][ T83] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.077301][ T83] ? __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) [ 9.077304][ T83] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.077305][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.077307][ T83] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.077309][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.077312][ T83] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.077313][ T83] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.077319][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.077322][ T83] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.077330][ T83] rtnl_setlink (net/core/rtnetlink.c:3596) [ 9.077334][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.077335][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.077357][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.077359][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.077362][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.077364][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.077365][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.077370][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.077371][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.077373][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.077376][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.077379][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.077381][ T83] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.077385][ T83] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.077386][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.077391][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.077392][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.077396][ T83] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.077399][ T83] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.077403][ T83] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.077409][ T83] ? 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)) [ 9.077411][ T83] ? 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)) [ 9.077416][ T83] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.077420][ T83] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.077422][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.077427][ T83] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.077431][ T83] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.077435][ T83] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.077438][ T83] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.077441][ T83] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 9.077445][ T83] ? __ia32_sys_getpeername (net/socket.c:2235) [ 9.077459][ T83] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 9.077460][ T83] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.077464][ T83] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.077467][ T83] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 9.077469][ T83] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.077470][ T83] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.077473][ T83] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.077475][ T83] RIP: 0033:0x7f7cc019454e [ 9.077479][ T83] 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 [ 9.077481][ T83] RSP: 002b:00007ffda3b279c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 9.077484][ T83] RAX: ffffffffffffffda RBX: 000055ed41ed5f30 RCX: 00007f7cc019454e [ 9.077485][ T83] RDX: 0000000000000030 RSI: 000055ed4202bc30 RDI: 0000000000000018 [ 9.077486][ T83] RBP: 00007ffda3b279d0 R08: 00007ffda3b27a20 R09: 0000000000000080 [ 9.077487][ T83] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ed4202f310 [ 9.077488][ T83] R13: 00007ffda3b27b04 R14: 0000000000000000 R15: 0000000000000000 | [ 10.085388][ T67] softirqs last disabled at (240): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 10.085391][ T67] Preemption disabled at: | [ 10.085391][ T67] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.085401][ T67] Tainted: [W]=WARN [ 10.085402][ T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.085403][ T67] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 10.085407][ T67] Call Trace: [ 10.085409][ T67] [ 10.085410][ T67] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.085416][ T67] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.085418][ T67] __might_resched.cold (kernel/sched/core.c:9234) [ 10.085422][ T67] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.085426][ T67] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.085431][ T67] __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)) [ 10.085433][ T67] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.085439][ T67] ? 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) [ 10.085441][ T67] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.085444][ T67] put_chars (drivers/char/virtio_console.c:1176) [ 10.085447][ T67] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.085450][ T67] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.085454][ T67] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.085457][ T67] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.085461][ T67] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.085463][ T67] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.085465][ T67] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.085466][ T67] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.085470][ T67] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.085472][ T67] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 10.085475][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.085477][ T67] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.085481][ T67] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.085485][ T67] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.085489][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.085491][ T67] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.085495][ T67] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.085499][ T67] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.085501][ T67] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.085506][ T67] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.085508][ T67] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.085510][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.085512][ T67] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.085516][ T67] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.085517][ T67] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.085520][ T67] vprintk_emit (kernel/printk/printk.c:2479) [ 10.085524][ T67] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.085527][ T67] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.085531][ T67] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.085536][ T67] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.085538][ T67] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 10.085545][ T67] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.085549][ T67] dev_printk_emit (drivers/base/core.c:5011) [ 10.085552][ T67] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.085553][ T67] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 10.085562][ T67] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.085568][ T67] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.085570][ T67] ? netdev_notice (net/core/dev.c:13194) [ 10.085574][ T67] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.085575][ T67] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 10.085579][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.085583][ T67] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 10.085589][ T67] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.085592][ T67] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 10.085594][ T67] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.085598][ T67] __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 [ 10.085602][ T67] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 10.085608][ T67] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 10.085614][ T67] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 10.085617][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.085618][ T67] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.085620][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.085623][ T67] ? process_one_work (kernel/workqueue.c:3386) [ 10.085625][ T67] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 10.085626][ T67] process_one_work (kernel/workqueue.c:3387) [ 10.085633][ T67] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 10.085635][ T67] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.085643][ T67] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 10.085647][ T67] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.085649][ T67] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 10.085652][ T67] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.085654][ T67] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.085656][ T67] kthread (kernel/kthread.c:436) [ 10.085658][ T67] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.085661][ T67] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.085664][ T67] ret_from_fork (arch/x86/kernel/process.c:158) [ 10.085669][ T67] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 10.085672][ T67] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 10.085675][ T67] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.085677][ T67] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 11.189528][ T83] softirqs last disabled at (758800): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 11.189530][ T83] Preemption disabled at: | [ 11.189531][ T83] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.189540][ T83] Tainted: [W]=WARN [ 11.189541][ T83] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.189542][ T83] Call Trace: [ 11.189544][ T83] [ 11.189545][ T83] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.189551][ T83] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.189553][ T83] __might_resched.cold (kernel/sched/core.c:9234) [ 11.189558][ T83] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.189562][ T83] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.189567][ T83] __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)) [ 11.189569][ T83] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.189574][ T83] ? 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) [ 11.189577][ T83] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.189580][ T83] put_chars (drivers/char/virtio_console.c:1176) [ 11.189583][ T83] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.189584][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.189589][ T83] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.189591][ T83] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.189596][ T83] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.189599][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.189604][ T83] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.189607][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.189612][ T83] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.189616][ T83] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.189620][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.189622][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.189626][ T83] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.189630][ T83] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.189631][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.189637][ T83] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.189639][ T83] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.189641][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.189643][ T83] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.189646][ T83] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.189648][ T83] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.189651][ T83] vprintk_emit (kernel/printk/printk.c:2479) [ 11.189655][ T83] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.189657][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.189658][ T83] ? 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) [ 11.189664][ T83] dev_vprintk_emit (drivers/base/core.c:5000) [ 11.189669][ T83] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 11.189675][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.189679][ T83] dev_printk_emit (drivers/base/core.c:5011) [ 11.189681][ T83] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 11.189683][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.189686][ T83] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.189688][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.189689][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.189691][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.189693][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.189697][ T83] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 11.189702][ T83] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 11.189704][ T83] ? netdev_notice (net/core/dev.c:13194) [ 11.189707][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.189710][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.189713][ T83] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.189716][ T83] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.189718][ T83] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 11.189722][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.189723][ T83] ? 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) [ 11.189725][ T83] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 11.189728][ T83] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 11.189731][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.189734][ T83] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.189740][ T83] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.189743][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.189746][ T83] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.189748][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.189749][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.189751][ T83] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.189753][ T83] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.189757][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.189762][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.189763][ T83] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 11.189766][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.189768][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.189770][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.189771][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.189773][ T83] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.189776][ T83] ? __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) [ 11.189779][ T83] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.189780][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.189782][ T83] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 11.189785][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.189787][ T83] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.189789][ T83] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.189795][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.189798][ T83] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.189806][ T83] rtnl_setlink (net/core/rtnetlink.c:3596) [ 11.189809][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.189811][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.189834][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.189835][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.189839][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.189840][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.189842][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.189846][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.189848][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.189850][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.189852][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.189856][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.189858][ T83] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.189862][ T83] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.189863][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.189868][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.189869][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.189873][ T83] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.189877][ T83] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.189880][ T83] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.189887][ T83] ? 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)) [ 11.189889][ T83] ? 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)) [ 11.189894][ T83] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.189898][ T83] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.189900][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.189902][ T83] ? 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) [ 11.189906][ T83] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.189910][ T83] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.189914][ T83] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.189917][ T83] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.189921][ T83] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 11.189925][ T83] ? __ia32_sys_getpeername (net/socket.c:2235) [ 11.189936][ T83] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 11.189942][ T83] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 11.189944][ T83] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.189948][ T83] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.189949][ T83] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 11.189951][ T83] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.189952][ T83] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.189955][ T83] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.189957][ T83] RIP: 0033:0x7f7cc019454e [ 11.189961][ T83] 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 [ 11.189963][ T83] RSP: 002b:00007ffda3b279c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 11.189965][ T83] RAX: ffffffffffffffda RBX: 000055ed41ed5f30 RCX: 00007f7cc019454e [ 11.189967][ T83] RDX: 0000000000000030 RSI: 000055ed42032b60 RDI: 0000000000000018 [ 11.189968][ T83] RBP: 00007ffda3b279d0 R08: 00007ffda3b27a20 R09: 0000000000000080 [ 11.189968][ T83] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ed420384e0 [ 11.189969][ T83] R13: 00007ffda3b27b04 R14: 0000000000000000 R15: 0000000000000000 | [ 12.250242][ T332] softirqs last disabled at (13960): dev_set_rx_mode (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:1392 (discriminator 2)) | [ 12.250245][ T332] Preemption disabled at: | [ 12.250245][ T332] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.250254][ T332] Tainted: [W]=WARN [ 12.250255][ T332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.250257][ T332] Call Trace: [ 12.250258][ T332] [ 12.250260][ T332] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.250265][ T332] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.250267][ T332] __might_resched.cold (kernel/sched/core.c:9234) [ 12.250272][ T332] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.250276][ T332] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.250281][ T332] __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)) [ 12.250283][ T332] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.250291][ T332] ? 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) [ 12.250294][ T332] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.250297][ T332] put_chars (drivers/char/virtio_console.c:1176) [ 12.250300][ T332] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.250302][ T332] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 12.250306][ T332] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.250310][ T332] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.250313][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250314][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250319][ T332] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.250322][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.250325][ T332] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.250329][ T332] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.250333][ T332] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.250337][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.250340][ T332] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.250344][ T332] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.250348][ T332] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.250349][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250355][ T332] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.250358][ T332] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.250359][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.250361][ T332] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.250365][ T332] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.250366][ T332] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.250370][ T332] vprintk_emit (kernel/printk/printk.c:2479) [ 12.250373][ T332] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.250377][ T332] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.250381][ T332] dev_vprintk_emit (drivers/base/core.c:5000) [ 12.250386][ T332] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 12.250391][ T332] ? __bfs (kernel/locking/lockdep.c:1831 (discriminator 2)) [ 12.250398][ T332] dev_printk_emit (drivers/base/core.c:5011) [ 12.250400][ T332] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 12.250402][ T332] ? __bfs (kernel/locking/lockdep.c:1831 (discriminator 2)) [ 12.250405][ T332] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.250412][ T332] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 12.250417][ T332] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.250419][ T332] ? netdev_notice (net/core/dev.c:13194) [ 12.250425][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250430][ T332] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 12.250437][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.250439][ T332] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 12.250443][ T332] __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 [ 12.250448][ T332] ? __mutex_lock (kernel/locking/mutex.c:649 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.250455][ T332] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 12.250458][ T332] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.250460][ T332] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.250464][ T332] udp_tunnel_nic_flush (net/ipv4/udp_tunnel_nic.c:691) udp_tunnel [ 12.250467][ T332] ? packet_notifier (net/packet/af_packet.c:4222 (discriminator 26)) [ 12.250475][ T332] udp_tunnel_nic_netdevice_event (net/ipv4/udp_tunnel_nic.c:961) udp_tunnel [ 12.250480][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.250483][ T332] notifier_call_chain (kernel/notifier.c:85) [ 12.250489][ T332] __dev_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1769) [ 12.250493][ T332] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.250496][ T332] ? netif_open (net/core/dev.c:1755) [ 12.250498][ T332] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.250500][ T332] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.250503][ T332] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.250507][ T332] __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 12.250510][ T332] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 12.250513][ T332] ? __kernel_text_address (kernel/extable.c:79) [ 12.250516][ T332] ? write_profile (profile.c:?) [ 12.250522][ T332] netif_change_flags (net/core/dev.c:9877) [ 12.250525][ T332] ? do_setlink.isra.0 (./include/linux/netdevice.h:2861 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3176) [ 12.250527][ T332] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 12.250531][ T332] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.250533][ T332] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.250535][ T332] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.250537][ T332] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.250541][ T332] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.250544][ T332] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.250545][ T332] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.250548][ T332] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.250549][ T332] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.250551][ T332] ? kasan_save_track (mm/kasan/common.c:78) [ 12.250554][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250555][ T332] ? netlink_create (net/netlink/af_netlink.c:666) [ 12.250559][ T332] ? ___sys_sendmsg (net/socket.c:2758 (discriminator 1)) [ 12.250565][ T332] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.250566][ T332] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.250569][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.250572][ T332] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.250573][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.250574][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.250577][ T332] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.250580][ T332] ? __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) [ 12.250581][ T332] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.250583][ T332] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.250587][ T332] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.250593][ T332] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.250599][ T332] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.250604][ T332] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.250607][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250611][ T332] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.250613][ T332] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.250615][ T332] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.250618][ T332] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.250621][ T332] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.250624][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.250627][ T332] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.250629][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250634][ T332] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.250635][ T332] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.250639][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.250642][ T332] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.250645][ T332] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.250652][ T332] ? 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)) [ 12.250654][ T332] ? 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)) [ 12.250659][ T332] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.250663][ T332] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.250666][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250670][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.250674][ T332] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.250679][ T332] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.250684][ T332] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.250687][ T332] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.250689][ T332] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.250691][ T332] ? move_addr_to_kernel (net/socket.c:258) [ 12.250700][ T332] ___sys_sendmsg (net/socket.c:2767) [ 12.250703][ T332] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.250720][ T332] __sys_sendmsg (net/socket.c:2799) [ 12.250723][ T332] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.250729][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.250733][ T332] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.250735][ T332] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.250738][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.250741][ T332] RIP: 0033:0x7fcfc8e4b54e [ 12.250744][ T332] 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 [ 12.250746][ T332] RSP: 002b:00007ffe3ded1c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.250749][ T332] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcfc8e4b54e [ 12.250750][ T332] RDX: 0000000000000000 RSI: 00007ffe3ded1d20 RDI: 0000000000000005 [ 12.250751][ T332] RBP: 00007ffe3ded1c80 R08: 0000000000000000 R09: 0000000000000000 [ 12.250752][ T332] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e611 [ 12.250753][ T332] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3ded23e0 | [ 13.575290][ T83] softirqs last disabled at (1123520): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 13.575292][ T83] Preemption disabled at: | [ 13.575293][ T83] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.575301][ T83] Tainted: [W]=WARN [ 13.575302][ T83] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.575304][ T83] Call Trace: [ 13.575305][ T83] [ 13.575307][ T83] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.575313][ T83] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.575315][ T83] __might_resched.cold (kernel/sched/core.c:9234) [ 13.575319][ T83] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.575323][ T83] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.575328][ T83] __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)) [ 13.575330][ T83] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.575336][ T83] ? 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) [ 13.575338][ T83] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.575341][ T83] put_chars (drivers/char/virtio_console.c:1176) [ 13.575344][ T83] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.575347][ T83] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 13.575352][ T83] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.575355][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.575360][ T83] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.575362][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.575369][ T83] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.575372][ T83] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.575376][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.575378][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.575382][ T83] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.575386][ T83] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.575388][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.575393][ T83] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.575395][ T83] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.575397][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.575399][ T83] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.575402][ T83] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.575404][ T83] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.575407][ T83] vprintk_emit (kernel/printk/printk.c:2479) [ 13.575410][ T83] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.575412][ T83] ? write_profile (profile.c:?) [ 13.575416][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.575418][ T83] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.575422][ T83] dev_vprintk_emit (drivers/base/core.c:5000) [ 13.575427][ T83] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 13.575429][ T83] ? check_irq_usage (kernel/locking/lockdep.c:1876 kernel/locking/lockdep.c:2812) [ 13.575437][ T83] dev_printk_emit (drivers/base/core.c:5011) [ 13.575439][ T83] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 13.575443][ T83] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 13.575444][ T83] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 13.575449][ T83] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 13.575454][ T83] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 13.575456][ T83] ? netdev_notice (net/core/dev.c:13194) [ 13.575459][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.575462][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.575465][ T83] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.575468][ T83] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 13.575470][ T83] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 13.575473][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.575475][ T83] ? 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) [ 13.575477][ T83] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 13.575480][ T83] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 13.575483][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.575486][ T83] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 13.575492][ T83] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 13.575495][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.575497][ T83] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 13.575499][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.575500][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.575502][ T83] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.575504][ T83] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.575508][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.575513][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.575514][ T83] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 13.575517][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.575519][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.575520][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.575522][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.575524][ T83] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 13.575527][ T83] ? __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) [ 13.575530][ T83] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 13.575531][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.575533][ T83] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 13.575535][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.575537][ T83] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 13.575539][ T83] ? nla_get_range_signed (lib/nlattr.c:270) [ 13.575545][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.575548][ T83] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 13.575556][ T83] rtnl_setlink (net/core/rtnetlink.c:3596) [ 13.575560][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 13.575561][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.575584][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.575586][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.575589][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.575590][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.575592][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.575596][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.575598][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.575600][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 13.575602][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.575606][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 13.575608][ T83] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.575612][ T83] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.575613][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.575618][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.575619][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.575623][ T83] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 13.575627][ T83] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.575630][ T83] ? netlink_ack (./include/linux/skbuff.h:2718) [ 13.575636][ T83] ? 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)) [ 13.575638][ T83] ? 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)) [ 13.575643][ T83] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 13.575647][ T83] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.575650][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.575652][ T83] ? 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) [ 13.575655][ T83] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 13.575660][ T83] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.575663][ T83] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 13.575667][ T83] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 13.575670][ T83] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 13.575674][ T83] ? __ia32_sys_getpeername (net/socket.c:2235) [ 13.575684][ T83] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 13.575690][ T83] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 13.575692][ T83] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.575696][ T83] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.575698][ T83] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 13.575699][ T83] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.575700][ T83] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.575703][ T83] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.575705][ T83] RIP: 0033:0x7f7cc019454e [ 13.575709][ T83] 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 [ 13.575711][ T83] RSP: 002b:00007ffda3b279c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 13.575714][ T83] RAX: ffffffffffffffda RBX: 000055ed41ed5f30 RCX: 00007f7cc019454e [ 13.575716][ T83] RDX: 0000000000000030 RSI: 000055ed4203d140 RDI: 0000000000000018 [ 13.575717][ T83] RBP: 00007ffda3b279d0 R08: 00007ffda3b27a20 R09: 0000000000000080 [ 13.575717][ T83] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ed42042530 [ 13.575718][ T83] R13: 00007ffda3b27b04 R14: 0000000000000000 R15: 0000000000000000 | [ 14.580379][ T12] softirqs last disabled at (4786): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 14.580381][ T12] Preemption disabled at: | [ 14.580382][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.580391][ T12] Tainted: [W]=WARN [ 14.580392][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.580394][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 14.580397][ T12] Call Trace: [ 14.580399][ T12] [ 14.580401][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.580406][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.580408][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 14.580413][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.580417][ 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) [ 14.580422][ 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)) [ 14.580424][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.580430][ 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) [ 14.580432][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.580435][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 14.580438][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.580441][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.580445][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.580448][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.580452][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.580455][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.580456][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.580458][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.580462][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.580464][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.580467][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.580469][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.580473][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.580477][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.580481][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.580483][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.580487][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.580491][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.580493][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.580498][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.580501][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.580502][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.580504][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.580508][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.580509][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.580513][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 14.580516][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.580519][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.580524][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 14.580529][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 14.580531][ T12] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 14.580539][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.580542][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 14.580545][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 14.580547][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 14.580556][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 14.580561][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 14.580564][ T12] ? netdev_notice (net/core/dev.c:13194) [ 14.580568][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.580569][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 14.580573][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.580577][ T12] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 14.580584][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 14.580586][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 14.580588][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 14.580592][ 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 [ 14.580596][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 14.580602][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 14.580608][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 14.580611][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.580613][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.580615][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.580618][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 14.580620][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 14.580621][ T12] process_one_work (kernel/workqueue.c:3387) [ 14.580627][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 14.580630][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.580638][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 14.580645][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.580647][ T12] kthread (kernel/kthread.c:436) [ 14.580649][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.580653][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.580656][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 14.580661][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 14.580665][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 14.580667][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.580670][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 15.695388][ T374] softirqs last disabled at (7806): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 15.695390][ T374] Preemption disabled at: | [ 15.695391][ T374] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.695400][ T374] Tainted: [W]=WARN [ 15.695401][ T374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.695403][ T374] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 15.695406][ T374] Call Trace: [ 15.695408][ T374] [ 15.695409][ T374] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.695415][ T374] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.695417][ T374] __might_resched.cold (kernel/sched/core.c:9234) [ 15.695422][ T374] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.695426][ T374] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.695431][ T374] __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)) [ 15.695433][ T374] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.695439][ T374] ? 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) [ 15.695442][ T374] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.695445][ T374] put_chars (drivers/char/virtio_console.c:1176) [ 15.695448][ T374] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.695452][ T374] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.695456][ T374] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.695458][ T374] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.695462][ T374] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.695465][ T374] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.695467][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.695468][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.695472][ T374] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.695474][ T374] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.695478][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.695480][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.695484][ T374] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.695488][ T374] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.695492][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.695495][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.695499][ T374] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.695503][ T374] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.695505][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.695510][ T374] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.695513][ T374] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.695514][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.695516][ T374] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.695520][ T374] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.695522][ T374] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.695525][ T374] vprintk_emit (kernel/printk/printk.c:2479) [ 15.695529][ T374] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.695532][ T374] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.695537][ T374] dev_vprintk_emit (drivers/base/core.c:5000) [ 15.695542][ T374] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 15.695544][ T374] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.695552][ T374] dev_printk_emit (drivers/base/core.c:5011) [ 15.695555][ T374] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 15.695559][ T374] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.695563][ T374] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.695567][ T374] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 15.695573][ T374] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 15.695575][ T374] ? netdev_notice (net/core/dev.c:13194) [ 15.695579][ T374] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.695581][ T374] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 15.695584][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.695589][ T374] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 15.695595][ T374] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.695599][ T374] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 15.695601][ T374] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 15.695605][ T374] __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 [ 15.695609][ T374] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 15.695615][ T374] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 15.695622][ T374] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 15.695624][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.695626][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.695628][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.695632][ T374] ? process_one_work (kernel/workqueue.c:3386) [ 15.695633][ T374] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 15.695635][ T374] process_one_work (kernel/workqueue.c:3387) [ 15.695641][ T374] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 15.695644][ T374] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.695652][ T374] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 15.695656][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 15.695658][ T374] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 15.695661][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 15.695664][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 15.695666][ T374] kthread (kernel/kthread.c:436) [ 15.695668][ T374] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.695671][ T374] ? kthread_affine_preferred (kernel/kthread.c:857) [ 15.695674][ T374] ret_from_fork (arch/x86/kernel/process.c:158) [ 15.695679][ T374] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 15.695683][ T374] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 15.695686][ T374] ? kthread_affine_preferred (kernel/kthread.c:857) [ 15.695689][ T374] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 16.758420][ T12] softirqs last disabled at (7782): __fib6_clean_all (./include/linux/spinlock.h:353 (discriminator 32768) net/ipv6/ip6_fib.c:2323 (discriminator 32768)) | [ 16.758423][ T12] Preemption disabled at: | [ 16.758424][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 16.758437][ T12] Tainted: [W]=WARN [ 16.758438][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.758441][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 16.758446][ T12] Call Trace: [ 16.758448][ T12] [ 16.758450][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.758458][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 16.758461][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 16.758467][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.758473][ 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) [ 16.758480][ 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)) [ 16.758484][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.758493][ 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) [ 16.758496][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.758502][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 16.758507][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.758512][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.758518][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.758521][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.758528][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.758532][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.758535][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.758537][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.758544][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.758548][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 16.758553][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.758557][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.758564][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.758570][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.758578][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.758581][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.758589][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.758596][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.758598][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.758608][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.758613][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.758615][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.758619][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.758625][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.758627][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.758633][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 16.758639][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.758644][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.758648][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.758654][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 16.758662][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 16.758664][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.758672][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.758681][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 16.758685][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 16.758692][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.758696][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.758699][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.758705][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 16.758714][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 16.758718][ T12] ? netdev_notice (net/core/dev.c:13194) [ 16.758725][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.758728][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 16.758734][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.758741][ T12] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 16.758752][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 16.758757][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 16.758761][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 16.758768][ 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 [ 16.758774][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 16.758785][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 16.758796][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 16.758801][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.758804][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.758807][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.758812][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 16.758815][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 16.758817][ T12] process_one_work (kernel/workqueue.c:3387) [ 16.758829][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 16.758834][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.758848][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 16.758861][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.758864][ T12] kthread (kernel/kthread.c:436) [ 16.758868][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.758873][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.758877][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.758884][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.758890][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.758895][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.758899][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 18.567386][ T12] softirqs last disabled at (11862): __fib6_clean_all (./include/linux/spinlock.h:353 (discriminator 32768) net/ipv6/ip6_fib.c:2323 (discriminator 32768)) | [ 18.567388][ T12] Preemption disabled at: | [ 18.567389][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 18.567398][ T12] Tainted: [W]=WARN [ 18.567399][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.567401][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 18.567405][ T12] Call Trace: [ 18.567407][ T12] [ 18.567409][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.567414][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 18.567416][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 18.567421][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.567425][ 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) [ 18.567430][ 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)) [ 18.567432][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.567438][ 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) [ 18.567440][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.567444][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 18.567447][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.567450][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.567454][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.567457][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.567461][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.567464][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.567465][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.567467][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.567471][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.567473][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 18.567476][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.567478][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.567482][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.567486][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.567490][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.567493][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.567496][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.567501][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.567502][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.567508][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.567510][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.567512][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.567514][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.567518][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.567519][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.567522][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 18.567526][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.567533][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 18.567538][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 18.567547][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 18.567549][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 18.567554][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.567557][ 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) [ 18.567561][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 18.567567][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 18.567569][ T12] ? netdev_notice (net/core/dev.c:13194) [ 18.567573][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.567575][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 18.567578][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.567582][ T12] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 18.567589][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 18.567593][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 18.567595][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 18.567599][ 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 [ 18.567603][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 18.567609][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 18.567616][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 18.567618][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.567620][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.567622][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.567625][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 18.567627][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 18.567629][ T12] process_one_work (kernel/workqueue.c:3387) [ 18.567635][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 18.567638][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.567646][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 18.567653][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.567655][ T12] kthread (kernel/kthread.c:436) [ 18.567657][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.567661][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.567664][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 18.567669][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 18.567673][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 18.567676][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.567678][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 19.693388][ T374] softirqs last disabled at (9122): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 19.693390][ T374] Preemption disabled at: | [ 19.693391][ T374] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.693401][ T374] Tainted: [W]=WARN [ 19.693402][ T374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.693404][ T374] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 19.693407][ T374] Call Trace: [ 19.693409][ T374] [ 19.693411][ T374] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.693417][ T374] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.693419][ T374] __might_resched.cold (kernel/sched/core.c:9234) [ 19.693423][ T374] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.693427][ T374] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.693432][ T374] __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)) [ 19.693435][ T374] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.693440][ T374] ? 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) [ 19.693443][ T374] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.693446][ T374] put_chars (drivers/char/virtio_console.c:1176) [ 19.693449][ T374] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.693452][ T374] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.693456][ T374] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.693459][ T374] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.693463][ T374] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.693466][ T374] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.693467][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.693469][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.693473][ T374] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.693475][ T374] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 19.693478][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.693480][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.693484][ T374] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.693488][ T374] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.693492][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.693495][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.693499][ T374] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.693503][ T374] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.693505][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.693510][ T374] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.693513][ T374] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.693514][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.693517][ T374] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.693520][ T374] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.693522][ T374] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.693525][ T374] vprintk_emit (kernel/printk/printk.c:2479) [ 19.693529][ T374] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.693532][ T374] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.693537][ T374] dev_vprintk_emit (drivers/base/core.c:5000) [ 19.693542][ T374] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 19.693544][ T374] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 19.693554][ T374] dev_printk_emit (drivers/base/core.c:5011) [ 19.693557][ T374] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 19.693563][ T374] ? 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) [ 19.693567][ T374] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 19.693573][ T374] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 19.693575][ T374] ? netdev_notice (net/core/dev.c:13194) [ 19.693579][ T374] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.693581][ T374] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 19.693584][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.693588][ T374] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 19.693596][ T374] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 19.693599][ T374] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 19.693601][ T374] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 19.693606][ T374] __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 [ 19.693610][ T374] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 19.693633][ T374] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 19.693640][ T374] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 19.693643][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.693645][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.693646][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.693650][ T374] ? process_one_work (kernel/workqueue.c:3386) [ 19.693652][ T374] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 19.693653][ T374] process_one_work (kernel/workqueue.c:3387) [ 19.693660][ T374] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.693663][ T374] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.693670][ T374] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.693675][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.693676][ T374] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 19.693679][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.693682][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.693684][ T374] kthread (kernel/kthread.c:436) [ 19.693686][ T374] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.693690][ T374] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.693693][ T374] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.693697][ T374] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.693701][ T374] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.693704][ T374] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.693707][ T374] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 20.784386][ T374] softirqs last disabled at (11722): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 20.784389][ T374] Preemption disabled at: | [ 20.784389][ T374] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.784398][ T374] Tainted: [W]=WARN [ 20.784399][ T374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.784401][ T374] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 20.784405][ T374] Call Trace: [ 20.784407][ T374] [ 20.784408][ T374] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.784414][ T374] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.784416][ T374] __might_resched.cold (kernel/sched/core.c:9234) [ 20.784420][ T374] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.784424][ T374] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.784429][ T374] __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)) [ 20.784432][ T374] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.784437][ T374] ? 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) [ 20.784440][ T374] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.784443][ T374] put_chars (drivers/char/virtio_console.c:1176) [ 20.784446][ T374] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.784449][ T374] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.784454][ T374] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.784456][ T374] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.784460][ T374] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.784463][ T374] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.784464][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.784466][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.784470][ T374] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.784472][ T374] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 20.784475][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.784477][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.784481][ T374] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.784485][ T374] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.784489][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.784491][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.784495][ T374] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.784499][ T374] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.784501][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.784506][ T374] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.784509][ T374] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.784510][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.784513][ T374] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.784516][ T374] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.784518][ T374] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.784521][ T374] vprintk_emit (kernel/printk/printk.c:2479) [ 20.784524][ T374] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.784528][ T374] ? update_cfs_rq_load_avg (kernel/sched/fair.c:5687) [ 20.784533][ T374] dev_vprintk_emit (drivers/base/core.c:5000) [ 20.784538][ T374] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 20.784540][ T374] ? update_cfs_rq_load_avg (kernel/sched/fair.c:5687) [ 20.784547][ T374] dev_printk_emit (drivers/base/core.c:5011) [ 20.784550][ T374] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 20.784552][ T374] ? __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) [ 20.784555][ T374] ? __trace_set_current_state (./include/linux/srcutree.h:292 (discriminator 3)) [ 20.784557][ T374] ? wakeup_preempt_fair (kernel/sched/fair.c:6515 kernel/sched/fair.c:10016) [ 20.784559][ T374] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.784563][ T374] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.784566][ T374] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 20.784572][ T374] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 20.784574][ T374] ? netdev_notice (net/core/dev.c:13194) [ 20.784578][ T374] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.784579][ T374] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 20.784583][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.784587][ T374] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 20.784593][ T374] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 20.784597][ T374] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 20.784599][ T374] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 20.784603][ T374] __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 [ 20.784607][ T374] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 20.784613][ T374] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 20.784619][ T374] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 20.784622][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.784624][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.784625][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.784629][ T374] ? process_one_work (kernel/workqueue.c:3386) [ 20.784630][ T374] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 20.784632][ T374] process_one_work (kernel/workqueue.c:3387) [ 20.784638][ T374] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 20.784641][ T374] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.784649][ T374] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 20.784653][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.784655][ T374] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 20.784658][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.784660][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.784662][ T374] kthread (kernel/kthread.c:436) [ 20.784664][ T374] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.784667][ T374] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.784670][ T374] ret_from_fork (arch/x86/kernel/process.c:158) [ 20.784675][ T374] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 20.784679][ T374] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 20.784681][ T374] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.784684][ T374] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 21.794415][ T12] softirqs last disabled at (15348): __fib6_clean_all (./include/linux/spinlock.h:353 (discriminator 32768) net/ipv6/ip6_fib.c:2323 (discriminator 32768)) | [ 21.794418][ T12] Preemption disabled at: | [ 21.794418][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 21.794428][ T12] Tainted: [W]=WARN [ 21.794429][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.794430][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 21.794434][ T12] Call Trace: [ 21.794436][ T12] [ 21.794437][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.794443][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 21.794445][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 21.794450][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.794454][ 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) [ 21.794459][ 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)) [ 21.794461][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.794467][ 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) [ 21.794469][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.794473][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 21.794476][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.794479][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.794483][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.794486][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.794489][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.794492][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 21.794494][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.794495][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.794499][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.794501][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 21.794505][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.794507][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.794511][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.794515][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.794519][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.794522][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.794526][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.794530][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.794532][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.794537][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.794540][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.794542][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.794544][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.794547][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.794549][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.794552][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 21.794556][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.794559][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.794561][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.794565][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 21.794571][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 21.794573][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.794577][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.794582][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 21.794585][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 21.794589][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.794593][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.794596][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 21.794602][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 21.794604][ T12] ? netdev_notice (net/core/dev.c:13194) [ 21.794608][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.794610][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 21.794613][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.794617][ T12] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 21.794624][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 21.794627][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 21.794629][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 21.794634][ 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 [ 21.794638][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 21.794643][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 21.794650][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 21.794653][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.794655][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.794656][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.794660][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 21.794661][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 21.794663][ T12] process_one_work (kernel/workqueue.c:3387) [ 21.794669][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 21.794672][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.794680][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 21.794687][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 21.794689][ T12] kthread (kernel/kthread.c:436) [ 21.794691][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.794695][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.794698][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 21.794703][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 21.794707][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 21.794710][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.794712][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 23.043385][ T12] softirqs last disabled at (18132): __fib6_clean_all (./include/linux/spinlock.h:353 (discriminator 32768) net/ipv6/ip6_fib.c:2323 (discriminator 32768)) | [ 23.043387][ T12] Preemption disabled at: | [ 23.043388][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 23.043397][ T12] Tainted: [W]=WARN [ 23.043398][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.043399][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 23.043403][ T12] Call Trace: [ 23.043405][ T12] [ 23.043407][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.043413][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 23.043415][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 23.043420][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.043423][ 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) [ 23.043428][ 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)) [ 23.043430][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.043436][ 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) [ 23.043439][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.043442][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 23.043445][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.043448][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.043452][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.043455][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 23.043459][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.043462][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 23.043463][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.043465][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.043469][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.043471][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 23.043474][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.043476][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.043480][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.043484][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.043488][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.043491][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.043495][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.043499][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.043500][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.043506][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.043509][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.043510][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.043512][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 23.043516][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.043517][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.043521][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 23.043524][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.043526][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.043528][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.043531][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.043535][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 23.043540][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 23.043542][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.043546][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.043547][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 23.043552][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 23.043555][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 23.043559][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.043561][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.043563][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 23.043567][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 23.043572][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 23.043575][ T12] ? netdev_notice (net/core/dev.c:13194) [ 23.043579][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.043581][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 23.043584][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.043588][ T12] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 23.043594][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 23.043598][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 23.043600][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 23.043604][ 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 [ 23.043608][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 23.043614][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 23.043620][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 23.043623][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.043625][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.043627][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.043630][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 23.043632][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 23.043634][ T12] process_one_work (kernel/workqueue.c:3387) [ 23.043640][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 23.043643][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.043651][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 23.043658][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.043660][ T12] kthread (kernel/kthread.c:436) [ 23.043662][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 23.043666][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.043669][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 23.043674][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 23.043678][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 23.043680][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.043683][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 28.034455][ T83] softirqs last disabled at (2924808): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 28.034457][ T83] Preemption disabled at: | [ 28.034458][ T83] vprintk_emit (kernel/printk/printk.c:2471) | [ 28.034467][ T83] Tainted: [W]=WARN [ 28.034468][ T83] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.034470][ T83] Call Trace: [ 28.034471][ T83] [ 28.034473][ T83] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.034478][ T83] ? vprintk_emit (kernel/printk/printk.c:2471) [ 28.034480][ T83] __might_resched.cold (kernel/sched/core.c:9234) [ 28.034485][ T83] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.034489][ T83] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 28.034494][ T83] __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)) [ 28.034496][ T83] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.034502][ T83] ? 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) [ 28.034504][ T83] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.034507][ T83] put_chars (drivers/char/virtio_console.c:1176) [ 28.034510][ T83] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.034511][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.034516][ T83] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 28.034518][ T83] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.034523][ T83] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.034526][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.034530][ T83] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.034533][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.034538][ T83] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.034542][ T83] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.034546][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.034548][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.034552][ T83] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.034556][ T83] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.034557][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.034562][ T83] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.034565][ T83] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.034567][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.034569][ T83] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 28.034574][ T83] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.034576][ T83] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.034579][ T83] vprintk_emit (kernel/printk/printk.c:2479) [ 28.034582][ T83] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.034584][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.034586][ T83] ? 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) [ 28.034592][ T83] dev_vprintk_emit (drivers/base/core.c:5000) [ 28.034597][ T83] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 28.034603][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 28.034607][ T83] dev_printk_emit (drivers/base/core.c:5011) [ 28.034609][ T83] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 28.034611][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.034614][ T83] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.034616][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.034617][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.034619][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.034621][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.034625][ T83] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 28.034630][ T83] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 28.034632][ T83] ? netdev_notice (net/core/dev.c:13194) [ 28.034635][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.034638][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.034640][ T83] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 28.034643][ T83] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 28.034646][ T83] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 28.034649][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.034651][ T83] ? 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) [ 28.034653][ T83] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 28.034656][ T83] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 28.034659][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.034662][ T83] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 28.034667][ T83] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 28.034671][ T83] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 28.034673][ T83] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 28.034675][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.034678][ T83] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 28.034679][ T83] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.034681][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.034684][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.034689][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.034690][ T83] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 28.034693][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.034695][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.034697][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.034698][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.034700][ T83] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 28.034703][ T83] ? __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) [ 28.034706][ T83] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 28.034707][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.034709][ T83] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 28.034712][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 28.034714][ T83] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 28.034716][ T83] ? nla_get_range_signed (lib/nlattr.c:270) [ 28.034722][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 28.034725][ T83] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 28.034733][ T83] rtnl_setlink (net/core/rtnetlink.c:3596) [ 28.034736][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 28.034737][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.034761][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.034763][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.034767][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.034768][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 28.034770][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.034774][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.034776][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.034778][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 28.034780][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.034784][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 28.034786][ T83] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 28.034790][ T83] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 28.034791][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.034796][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.034797][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.034801][ T83] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 28.034804][ T83] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 28.034807][ T83] ? netlink_ack (./include/linux/skbuff.h:2718) [ 28.034814][ T83] ? 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)) [ 28.034816][ T83] ? 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)) [ 28.034821][ T83] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 28.034825][ T83] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 28.034827][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.034830][ T83] ? 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) [ 28.034833][ T83] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 28.034837][ T83] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 28.034841][ T83] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 28.034844][ T83] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 28.034848][ T83] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 28.034852][ T83] ? __ia32_sys_getpeername (net/socket.c:2235) [ 28.034862][ T83] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 28.034868][ T83] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 28.034870][ T83] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 28.034874][ T83] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 28.034876][ T83] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 28.034877][ T83] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 28.034879][ T83] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 28.034881][ T83] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 28.034883][ T83] RIP: 0033:0x7f7cc019454e [ 28.034888][ T83] 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 [ 28.034889][ T83] RSP: 002b:00007ffda3b279c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 28.034892][ T83] RAX: ffffffffffffffda RBX: 000055ed41ed5f30 RCX: 00007f7cc019454e [ 28.034894][ T83] RDX: 0000000000000030 RSI: 000055ed4204a070 RDI: 0000000000000018 [ 28.034894][ T83] RBP: 00007ffda3b279d0 R08: 00007ffda3b27a20 R09: 0000000000000080 [ 28.034895][ T83] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ed42061a70 [ 28.034896][ T83] R13: 00007ffda3b27b04 R14: 0000000000000000 R15: 0000000000000000 | [ 32.456896][ T83] softirqs last disabled at (3500730): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 32.456898][ T83] Preemption disabled at: | [ 32.456899][ T83] vprintk_emit (kernel/printk/printk.c:2471) | [ 32.456908][ T83] Tainted: [W]=WARN [ 32.456909][ T83] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.456911][ T83] Call Trace: [ 32.456912][ T83] [ 32.456914][ T83] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.456920][ T83] ? vprintk_emit (kernel/printk/printk.c:2471) [ 32.456922][ T83] __might_resched.cold (kernel/sched/core.c:9234) [ 32.456927][ T83] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.456930][ T83] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.456935][ T83] __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)) [ 32.456938][ T83] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.456944][ T83] ? 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) [ 32.456946][ T83] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.456949][ T83] put_chars (drivers/char/virtio_console.c:1176) [ 32.456952][ T83] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.456954][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.456958][ T83] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.456961][ T83] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.456966][ T83] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.456968][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.456973][ T83] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.456976][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.456981][ T83] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.456985][ T83] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.456989][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.456992][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.456996][ T83] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.457000][ T83] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.457001][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.457007][ T83] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.457009][ T83] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.457011][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.457013][ T83] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.457017][ T83] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.457018][ T83] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.457022][ T83] vprintk_emit (kernel/printk/printk.c:2479) [ 32.457025][ T83] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.457028][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.457029][ T83] ? 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) [ 32.457036][ T83] dev_vprintk_emit (drivers/base/core.c:5000) [ 32.457041][ T83] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 32.457046][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.457051][ T83] dev_printk_emit (drivers/base/core.c:5011) [ 32.457053][ T83] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 32.457055][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.457058][ T83] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.457060][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.457061][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.457063][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.457065][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.457069][ T83] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 32.457075][ T83] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.457077][ T83] ? netdev_notice (net/core/dev.c:13194) [ 32.457079][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.457083][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.457085][ T83] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 32.457088][ T83] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 32.457091][ T83] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 32.457094][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.457096][ T83] ? 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) [ 32.457098][ T83] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 32.457101][ T83] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 32.457104][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.457107][ T83] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 32.457113][ T83] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 32.457117][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.457119][ T83] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 32.457121][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.457122][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.457125][ T83] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.457126][ T83] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.457131][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.457135][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.457137][ T83] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 32.457140][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.457142][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.457144][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.457145][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.457147][ T83] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 32.457150][ T83] ? __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) [ 32.457153][ T83] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 32.457154][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.457156][ T83] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 32.457159][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.457161][ T83] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 32.457163][ T83] ? nla_get_range_signed (lib/nlattr.c:270) [ 32.457169][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.457172][ T83] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 32.457181][ T83] rtnl_setlink (net/core/rtnetlink.c:3596) [ 32.457184][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 32.457186][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.457217][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.457219][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.457222][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.457224][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.457226][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.457230][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.457232][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.457234][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 32.457236][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.457240][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 32.457242][ T83] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 32.457246][ T83] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 32.457247][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.457252][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.457253][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.457257][ T83] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.457261][ T83] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 32.457264][ T83] ? netlink_ack (./include/linux/skbuff.h:2718) [ 32.457271][ T83] ? 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)) [ 32.457273][ T83] ? 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)) [ 32.457278][ T83] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.457282][ T83] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.457287][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.457291][ T83] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.457296][ T83] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.457301][ T83] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 32.457305][ T83] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 32.457308][ T83] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 32.457312][ T83] ? __ia32_sys_getpeername (net/socket.c:2235) [ 32.457326][ T83] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 32.457328][ T83] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.457332][ T83] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 32.457335][ T83] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 32.457336][ T83] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.457338][ T83] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.457341][ T83] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.457343][ T83] RIP: 0033:0x7f7cc019454e [ 32.457347][ T83] 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 [ 32.457349][ T83] RSP: 002b:00007ffda3b279c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 32.457352][ T83] RAX: ffffffffffffffda RBX: 000055ed41ed5f30 RCX: 00007f7cc019454e [ 32.457353][ T83] RDX: 0000000000000030 RSI: 000055ed420639c0 RDI: 0000000000000018 [ 32.457354][ T83] RBP: 00007ffda3b279d0 R08: 00007ffda3b27a20 R09: 0000000000000080 [ 32.457355][ T83] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ed42068e80 [ 32.457356][ T83] R13: 00007ffda3b27b04 R14: 0000000000000000 R15: 0000000000000000 | [ 33.636443][ T12] softirqs last disabled at (19730): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 33.636446][ T12] Preemption disabled at: | [ 33.636446][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 33.636455][ T12] Tainted: [W]=WARN [ 33.636456][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.636458][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 33.636461][ T12] Call Trace: [ 33.636463][ T12] [ 33.636464][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.636470][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 33.636472][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 33.636477][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.636481][ 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) [ 33.636486][ 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)) [ 33.636488][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.636494][ 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) [ 33.636496][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.636500][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 33.636503][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.636506][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.636510][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.636512][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 33.636516][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.636519][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 33.636520][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.636522][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.636525][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.636528][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 33.636531][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.636533][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.636537][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.636541][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.636545][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.636547][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.636551][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.636555][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.636556][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.636562][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.636564][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.636566][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.636568][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.636572][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.636573][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.636576][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 33.636580][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.636583][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.636588][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 33.636593][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 33.636595][ T12] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 33.636602][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.636606][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 33.636609][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 33.636610][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 33.636616][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.636619][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.636620][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 33.636623][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 33.636629][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 33.636631][ T12] ? netdev_notice (net/core/dev.c:13194) [ 33.636635][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.636637][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 33.636640][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.636644][ T12] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 33.636651][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 33.636654][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 33.636656][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 33.636660][ 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 [ 33.636664][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 33.636670][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 33.636676][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 33.636678][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.636680][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.636682][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.636685][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 33.636687][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 33.636688][ T12] process_one_work (kernel/workqueue.c:3387) [ 33.636695][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 33.636697][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.636705][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 33.636712][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 33.636714][ T12] kthread (kernel/kthread.c:436) [ 33.636717][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.636721][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.636723][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 33.636728][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 33.636732][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 33.636735][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.636737][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 34.644543][ T166] softirqs last disabled at (4074806): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464) | [ 34.644545][ T166] Preemption disabled at: | [ 34.644546][ T166] vprintk_emit (kernel/printk/printk.c:2471) | [ 34.644555][ T166] Tainted: [W]=WARN [ 34.644556][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.644557][ T166] Call Trace: [ 34.644559][ T166] [ 34.644561][ T166] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.644566][ T166] ? vprintk_emit (kernel/printk/printk.c:2471) [ 34.644568][ T166] __might_resched.cold (kernel/sched/core.c:9234) [ 34.644573][ T166] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.644577][ T166] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 34.644582][ T166] __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)) [ 34.644584][ T166] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.644590][ T166] ? 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) [ 34.644592][ T166] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.644596][ T166] put_chars (drivers/char/virtio_console.c:1176) [ 34.644598][ T166] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 34.644601][ T166] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.644604][ T166] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 34.644610][ T166] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.644617][ T166] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.644619][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.644623][ T166] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.644627][ T166] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.644631][ T166] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.644636][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.644638][ T166] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.644642][ T166] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.644646][ T166] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.644648][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.644654][ T166] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.644657][ T166] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.644658][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.644661][ T166] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 34.644664][ T166] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.644666][ T166] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.644670][ T166] vprintk_emit (kernel/printk/printk.c:2479) [ 34.644673][ T166] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.644676][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.644677][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.644682][ T166] dev_vprintk_emit (drivers/base/core.c:5000) [ 34.644688][ T166] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 34.644692][ T166] ? 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)) [ 34.644700][ T166] dev_printk_emit (drivers/base/core.c:5011) [ 34.644703][ T166] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 34.644712][ T166] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 34.644718][ T166] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 34.644720][ T166] ? netdev_notice (net/core/dev.c:13194) [ 34.644721][ T166] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.644726][ T166] ? unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518) [ 34.644729][ T166] ? unregister_netdevice_queue (net/core/dev.c:12589 net/core/dev.c:12390 net/core/dev.c:12376) [ 34.644731][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.644736][ T166] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 34.644744][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.644746][ T166] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 34.644749][ T166] __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 [ 34.644754][ T166] ? __mutex_lock (kernel/locking/mutex.c:649 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 34.644762][ T166] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 34.644769][ T166] udp_tunnel_nic_flush (net/ipv4/udp_tunnel_nic.c:691) udp_tunnel [ 34.644777][ T166] udp_tunnel_nic_unregister (net/ipv4/udp_tunnel_nic.c:903) udp_tunnel [ 34.644783][ T166] udp_tunnel_nic_netdevice_event (net/ipv4/udp_tunnel_nic.c:944) udp_tunnel [ 34.644789][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.644791][ T166] notifier_call_chain (kernel/notifier.c:85) [ 34.644798][ T166] unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518) [ 34.644804][ T166] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 34.644806][ T166] ? nsim_destroy (drivers/net/netdevsim/netdev.c:1193) netdevsim [ 34.644810][ T166] ? netdev_run_todo (net/core/dev.c:11776) [ 34.644814][ T166] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 34.644819][ T166] ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1)) [ 34.644821][ T166] unregister_netdevice_queue (net/core/dev.c:12589 net/core/dev.c:12390 net/core/dev.c:12376) [ 34.644823][ T166] ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:134 net/core/dev.c:2188) [ 34.644826][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.644828][ T166] ? unregister_netdevice_many (net/core/dev.c:12589) [ 34.644834][ T166] nsim_destroy (./include/linux/netdevice.h:3487 drivers/net/netdevsim/netdev.c:1198) netdevsim [ 34.644838][ T166] ? kstrtouint (lib/kstrtox.c:236) [ 34.644844][ T166] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1472) netdevsim [ 34.644849][ T166] ? nsim_drv_port_del (drivers/net/netdevsim/dev.c:1776 (discriminator 1)) netdevsim [ 34.644852][ T166] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1781) netdevsim [ 34.644857][ T166] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim [ 34.644861][ T166] ? 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)) [ 34.644864][ T166] ? del_device_store (./include/linux/list.h:135 (discriminator 2)) netdevsim [ 34.644868][ T166] ? sysfs_file_kobj (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 fs/sysfs/file.c:24) [ 34.644870][ T166] ? sysfs_kf_write (fs/sysfs/file.c:140) [ 34.644873][ T166] kernfs_fop_write_iter (fs/kernfs/file.c:345) [ 34.644876][ T166] ? kernfs_ops (fs/kernfs/file.c:121) [ 34.644878][ T166] new_sync_write (fs/read_write.c:595) [ 34.644881][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.644884][ T166] ? new_sync_read (./include/linux/ioprio.h:41) [ 34.644887][ T166] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.644889][ T166] ? ksys_write (fs/read_write.c:739) [ 34.644896][ T166] vfs_write (fs/read_write.c:687) [ 34.644901][ T166] ksys_write (fs/read_write.c:739) [ 34.644904][ T166] ? __ia32_sys_read (fs/read_write.c:723) [ 34.644906][ T166] ? 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) [ 34.644908][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.644912][ T166] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 34.644915][ T166] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 34.644918][ T166] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 34.644920][ T166] RIP: 0033:0x7f932863354e [ 34.644924][ T166] 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 [ 34.644926][ T166] RSP: 002b:00007ffe00c208a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 34.644929][ T166] RAX: ffffffffffffffda RBX: 00007f93287b4580 RCX: 00007f932863354e [ 34.644930][ T166] RDX: 0000000000000002 RSI: 0000555985a37270 RDI: 0000000000000001 [ 34.644931][ T166] RBP: 00007ffe00c208b0 R08: 0000000000000000 R09: 0000000000000000 [ 34.644932][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 34.644933][ T166] R13: 0000000000000002 R14: 0000555985a37270 R15: 0000000000000000 | [ 35.946419][ T12] softirqs last disabled at (35630): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 35.946421][ T12] Preemption disabled at: | [ 35.946422][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 35.946431][ T12] Tainted: [W]=WARN [ 35.946432][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.946434][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 35.946438][ T12] Call Trace: [ 35.946440][ T12] [ 35.946443][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.946448][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 35.946450][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 35.946455][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.946458][ 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) [ 35.946464][ 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)) [ 35.946466][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.946472][ 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) [ 35.946474][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.946477][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 35.946480][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.946484][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.946488][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.946490][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.946494][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.946497][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.946499][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.946500][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.946504][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.946506][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 35.946509][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.946511][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.946515][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.946519][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.946524][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.946526][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.946530][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.946534][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.946535][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.946541][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.946544][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.946545][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.946547][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 35.946551][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.946552][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.946556][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 35.946559][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.946563][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.946567][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 35.946572][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 35.946574][ T12] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 35.946581][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.946585][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 35.946588][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 35.946590][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 35.946596][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.946598][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.946600][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.946603][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 35.946609][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 35.946611][ T12] ? netdev_notice (net/core/dev.c:13194) [ 35.946615][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.946617][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 35.946620][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.946624][ T12] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 35.946632][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 35.946635][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 35.946636][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 35.946641][ 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 [ 35.946645][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 35.946651][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 35.946657][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 35.946660][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.946662][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.946663][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.946667][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 35.946668][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 35.946670][ T12] process_one_work (kernel/workqueue.c:3387) [ 35.946676][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 35.946679][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.946687][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 35.946694][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 35.946696][ T12] kthread (kernel/kthread.c:436) [ 35.946698][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 35.946702][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 35.946704][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 35.946710][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 35.946713][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 35.946716][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 35.946719][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 37.190846][ T166] softirqs last disabled at (4523361): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 37.190849][ T166] Preemption disabled at: | [ 37.190850][ T166] vprintk_emit (kernel/printk/printk.c:2471) | [ 37.190861][ T166] Tainted: [W]=WARN [ 37.190862][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.190864][ T166] Call Trace: [ 37.190866][ T166] [ 37.190868][ T166] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.190875][ T166] ? vprintk_emit (kernel/printk/printk.c:2471) [ 37.190878][ T166] __might_resched.cold (kernel/sched/core.c:9234) [ 37.190884][ T166] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.190889][ T166] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 37.190895][ T166] __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)) [ 37.190898][ T166] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.190905][ T166] ? 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) [ 37.190909][ T166] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.190914][ T166] put_chars (drivers/char/virtio_console.c:1176) [ 37.190918][ T166] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.190923][ T166] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 37.190931][ T166] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.190934][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.190943][ T166] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.190947][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.190956][ T166] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.190962][ T166] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.190969][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.190972][ T166] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.190978][ T166] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.190985][ T166] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.190987][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.190995][ T166] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.190999][ T166] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.191001][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.191004][ T166] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 37.191010][ T166] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.191012][ T166] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.191017][ T166] vprintk_emit (kernel/printk/printk.c:2479) [ 37.191023][ T166] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.191027][ T166] ? mark_usage (kernel/locking/lockdep.c:4690) [ 37.191030][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.191036][ T166] dev_vprintk_emit (drivers/base/core.c:5000) [ 37.191043][ T166] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 37.191046][ T166] ? 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) [ 37.191053][ T166] ? __bfs (kernel/locking/lockdep.c:1831 (discriminator 2)) [ 37.191057][ T166] ? mark_usage (kernel/locking/lockdep.c:4690) [ 37.191064][ T166] dev_printk_emit (drivers/base/core.c:5011) [ 37.191067][ T166] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 37.191070][ T166] ? __bfs (kernel/locking/lockdep.c:1831 (discriminator 2)) [ 37.191074][ T166] ? 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) [ 37.191085][ T166] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 37.191093][ T166] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 37.191096][ T166] ? netdev_notice (net/core/dev.c:13194) [ 37.191105][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.191113][ T166] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 37.191123][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.191125][ T166] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 37.191131][ T166] __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 [ 37.191138][ T166] ? __mutex_lock (kernel/locking/mutex.c:649 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 37.191148][ T166] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 37.191153][ T166] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.191155][ T166] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.191162][ T166] udp_tunnel_nic_flush (net/ipv4/udp_tunnel_nic.c:691) udp_tunnel [ 37.191166][ T166] ? packet_notifier (net/packet/af_packet.c:4222 (discriminator 26)) [ 37.191179][ T166] udp_tunnel_nic_netdevice_event (net/ipv4/udp_tunnel_nic.c:961) udp_tunnel [ 37.191188][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.191191][ T166] notifier_call_chain (kernel/notifier.c:85) [ 37.191201][ T166] __dev_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1769) [ 37.191206][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.191210][ T166] ? netif_open (net/core/dev.c:1755) [ 37.191216][ T166] ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2861 net/core/dev.c:12477) [ 37.191228][ T166] netif_close_many (net/core/dev.c:1824) [ 37.191234][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.191237][ T166] ? __dev_close_many (net/core/dev.c:1804) [ 37.191247][ T166] netif_close_many_and_unlock (net/core/dev.c:12411) [ 37.191254][ T166] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 37.191257][ T166] unregister_netdevice_many_notify (net/core/dev.c:12481) [ 37.191260][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.191266][ T166] ? __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) [ 37.191268][ T166] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 37.191271][ T166] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 37.191273][ T166] ? nsim_destroy (drivers/net/netdevsim/netdev.c:1193) netdevsim [ 37.191280][ T166] ? netdev_run_todo (net/core/dev.c:11776) [ 37.191288][ T166] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 37.191290][ T166] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 37.191293][ T166] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 37.191300][ T166] ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1)) [ 37.191304][ T166] unregister_netdevice_queue (net/core/dev.c:12589 net/core/dev.c:12390 net/core/dev.c:12376) [ 37.191307][ T166] ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:134 net/core/dev.c:2188) [ 37.191310][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.191313][ T166] ? unregister_netdevice_many (net/core/dev.c:12589) [ 37.191321][ T166] nsim_destroy (./include/linux/netdevice.h:3487 drivers/net/netdevsim/netdev.c:1198) netdevsim [ 37.191329][ T166] ? kstrtouint (lib/kstrtox.c:236) [ 37.191336][ T166] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1472) netdevsim [ 37.191343][ T166] ? nsim_drv_port_del (drivers/net/netdevsim/dev.c:1776 (discriminator 1)) netdevsim [ 37.191348][ T166] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1781) netdevsim [ 37.191355][ T166] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim [ 37.191362][ T166] ? 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)) [ 37.191366][ T166] ? del_device_store (./include/linux/list.h:135 (discriminator 2)) netdevsim [ 37.191372][ T166] ? sysfs_file_kobj (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 fs/sysfs/file.c:24) [ 37.191375][ T166] ? sysfs_kf_write (fs/sysfs/file.c:140) [ 37.191380][ T166] kernfs_fop_write_iter (fs/kernfs/file.c:345) [ 37.191385][ T166] ? kernfs_ops (fs/kernfs/file.c:121) [ 37.191389][ T166] new_sync_write (fs/read_write.c:595) [ 37.191393][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.191397][ T166] ? new_sync_read (./include/linux/ioprio.h:41) [ 37.191403][ T166] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.191405][ T166] ? ksys_write (fs/read_write.c:739) [ 37.191417][ T166] vfs_write (fs/read_write.c:687) [ 37.191424][ T166] ksys_write (fs/read_write.c:739) [ 37.191429][ T166] ? __ia32_sys_read (fs/read_write.c:723) [ 37.191431][ T166] ? 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) [ 37.191436][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.191442][ T166] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 37.191445][ T166] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 37.191450][ T166] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.191453][ T166] RIP: 0033:0x7f932863354e [ 37.191458][ T166] 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 [ 37.191460][ T166] RSP: 002b:00007ffe00c208a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 37.191464][ T166] RAX: ffffffffffffffda RBX: 00007f93287b4580 RCX: 00007f932863354e [ 37.191466][ T166] RDX: 0000000000000002 RSI: 0000555985a37270 RDI: 0000000000000001 [ 37.191467][ T166] RBP: 00007ffe00c208b0 R08: 0000000000000000 R09: 0000000000000000 [ 37.191469][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 37.191470][ T166] R13: 0000000000000002 R14: 0000555985a37270 R15: 0000000000000000 | [ 38.202373][ T12] softirqs last disabled at (42862): __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)) | [ 38.202376][ T12] Preemption disabled at: | [ 38.202376][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 38.202386][ T12] Tainted: [W]=WARN [ 38.202386][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.202388][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 38.202392][ T12] Call Trace: [ 38.202394][ T12] [ 38.202396][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.202401][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 38.202403][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 38.202408][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.202412][ 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) [ 38.202417][ 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)) [ 38.202419][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.202425][ 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) [ 38.202428][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.202431][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 38.202434][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.202437][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.202441][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.202444][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.202448][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.202451][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 38.202452][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.202454][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.202458][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.202460][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 38.202463][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.202466][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.202470][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.202473][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.202478][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.202480][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.202484][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.202488][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.202490][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.202495][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.202498][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.202500][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.202502][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 38.202506][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.202507][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.202510][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 38.202514][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.202517][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.202522][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 38.202527][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 38.202535][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 38.202538][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 38.202542][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.202545][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.202546][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.202550][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 38.202556][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 38.202558][ T12] ? netdev_notice (net/core/dev.c:13194) [ 38.202562][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.202564][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 38.202567][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.202571][ T12] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 38.202578][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 38.202582][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 38.202584][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 38.202589][ 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 [ 38.202592][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 38.202598][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 38.202605][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 38.202607][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.202610][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.202611][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.202615][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 38.202616][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 38.202617][ T12] process_one_work (kernel/workqueue.c:3387) [ 38.202624][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 38.202627][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.202635][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 38.202642][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.202644][ T12] kthread (kernel/kthread.c:436) [ 38.202646][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.202650][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.202653][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 38.202658][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 38.202661][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 38.202664][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.202667][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 39.210373][ T12] softirqs last disabled at (43906): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 39.210375][ T12] Preemption disabled at: | [ 39.210376][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 39.210385][ T12] Tainted: [W]=WARN [ 39.210386][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.210387][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 39.210391][ T12] Call Trace: [ 39.210393][ T12] [ 39.210395][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.210400][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 39.210402][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 39.210407][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.210411][ 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) [ 39.210416][ 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)) [ 39.210418][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.210424][ 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) [ 39.210426][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.210430][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 39.210432][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.210436][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.210440][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.210442][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 39.210446][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.210449][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 39.210450][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.210452][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.210456][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.210458][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 39.210461][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.210463][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.210467][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.210471][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.210475][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.210477][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.210481][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.210485][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.210487][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.210492][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.210495][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.210496][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.210498][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 39.210502][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.210503][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.210507][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 39.210510][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.210513][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.210518][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 39.210523][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 39.210525][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.210533][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 39.210535][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 39.210539][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.210543][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.210547][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 39.210552][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 39.210554][ T12] ? netdev_notice (net/core/dev.c:13194) [ 39.210558][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.210560][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 39.210563][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.210567][ T12] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 39.210574][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 39.210578][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 39.210580][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 39.210584][ 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 [ 39.210588][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 39.210593][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 39.210600][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 39.210602][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.210604][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.210606][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.210609][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 39.210611][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 39.210612][ T12] process_one_work (kernel/workqueue.c:3387) [ 39.210618][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 39.210621][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.210629][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 39.210636][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.210638][ T12] kthread (kernel/kthread.c:436) [ 39.210640][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 39.210644][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.210647][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 39.210651][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 39.210655][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 39.210658][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.210661][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 40.296693][ T12] softirqs last disabled at (46666): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 40.296695][ T12] Preemption disabled at: | [ 40.296695][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 40.296705][ T12] Tainted: [W]=WARN [ 40.296706][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.296707][ T12] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 40.296711][ T12] Call Trace: [ 40.296712][ T12] [ 40.296714][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.296719][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 40.296721][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 40.296726][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.296730][ 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) [ 40.296735][ 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)) [ 40.296737][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.296743][ 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) [ 40.296746][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.296749][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 40.296752][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.296755][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 40.296759][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 40.296762][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 40.296767][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.296770][ T12] ? mark_usage (kernel/locking/lockdep.c:4690) [ 40.296772][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.296773][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.296777][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.296780][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 40.296783][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.296785][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.296789][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.296792][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.296797][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.296799][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.296803][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.296807][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.296809][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.296814][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.296817][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.296818][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.296820][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 40.296824][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.296825][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.296829][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 40.296832][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.296836][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.296840][ T12] dev_vprintk_emit (drivers/base/core.c:5000) [ 40.296845][ T12] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 40.296847][ T12] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 40.296854][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.296858][ T12] dev_printk_emit (drivers/base/core.c:5011) [ 40.296861][ T12] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 40.296863][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 40.296872][ T12] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 40.296878][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 40.296880][ T12] ? netdev_notice (net/core/dev.c:13194) [ 40.296884][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.296886][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 40.296889][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.296893][ T12] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 40.296900][ T12] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 40.296903][ T12] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 40.296905][ T12] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 40.296909][ 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 [ 40.296913][ T12] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 40.296919][ T12] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 40.296925][ T12] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 40.296928][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.296930][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.296931][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.296935][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 40.296936][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 40.296938][ T12] process_one_work (kernel/workqueue.c:3387) [ 40.296944][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 40.296947][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.296955][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 40.296962][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.296964][ T12] kthread (kernel/kthread.c:436) [ 40.296966][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 40.296970][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.296973][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 40.296978][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 40.296982][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 40.296984][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.296987][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 41.447104][ T83] softirqs last disabled at (5230876): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 41.447106][ T83] Preemption disabled at: | [ 41.447107][ T83] vprintk_emit (kernel/printk/printk.c:2471) | [ 41.447116][ T83] Tainted: [W]=WARN [ 41.447117][ T83] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.447118][ T83] Call Trace: [ 41.447120][ T83] [ 41.447122][ T83] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.447127][ T83] ? vprintk_emit (kernel/printk/printk.c:2471) [ 41.447129][ T83] __might_resched.cold (kernel/sched/core.c:9234) [ 41.447134][ T83] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.447138][ T83] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 41.447143][ T83] __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)) [ 41.447145][ T83] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.447151][ T83] ? 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) [ 41.447154][ T83] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.447157][ T83] put_chars (drivers/char/virtio_console.c:1176) [ 41.447160][ T83] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.447162][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.447167][ T83] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.447169][ T83] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.447174][ T83] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.447177][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.447182][ T83] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.447185][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.447190][ T83] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.447194][ T83] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.447198][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.447200][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.447204][ T83] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.447209][ T83] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.447210][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.447215][ T83] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.447218][ T83] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.447220][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.447222][ T83] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 41.447226][ T83] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.447227][ T83] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.447230][ T83] vprintk_emit (kernel/printk/printk.c:2479) [ 41.447241][ T83] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.447243][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.447245][ T83] ? 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) [ 41.447251][ T83] dev_vprintk_emit (drivers/base/core.c:5000) [ 41.447256][ T83] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 41.447261][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.447266][ T83] dev_printk_emit (drivers/base/core.c:5011) [ 41.447268][ T83] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 41.447270][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.447273][ T83] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.447275][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.447276][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.447278][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.447280][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.447284][ T83] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 41.447292][ T83] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 41.447294][ T83] ? netdev_notice (net/core/dev.c:13194) [ 41.447296][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.447300][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.447302][ T83] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 41.447305][ T83] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 41.447308][ T83] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 41.447311][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.447313][ T83] ? 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) [ 41.447315][ T83] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 41.447318][ T83] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 41.447321][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.447324][ T83] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 41.447330][ T83] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 41.447333][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.447336][ T83] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 41.447337][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.447339][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.447341][ T83] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.447343][ T83] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.447347][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.447352][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.447353][ T83] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 41.447356][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.447359][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.447360][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.447361][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.447364][ T83] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 41.447366][ T83] ? __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) [ 41.447369][ T83] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 41.447371][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.447373][ T83] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 41.447375][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.447378][ T83] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 41.447379][ T83] ? nla_get_range_signed (lib/nlattr.c:270) [ 41.447386][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.447389][ T83] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 41.447397][ T83] rtnl_setlink (net/core/rtnetlink.c:3596) [ 41.447400][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 41.447402][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.447425][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.447426][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.447430][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.447431][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.447433][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.447437][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.447439][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.447442][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 41.447444][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.447447][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 41.447450][ T83] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 41.447453][ T83] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.447455][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.447459][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.447461][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.447465][ T83] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 41.447468][ T83] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.447472][ T83] ? netlink_ack (./include/linux/skbuff.h:2718) [ 41.447478][ T83] ? 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)) [ 41.447480][ T83] ? 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)) [ 41.447485][ T83] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 41.447489][ T83] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 41.447492][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.447494][ T83] ? 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) [ 41.447498][ T83] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 41.447502][ T83] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 41.447506][ T83] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 41.447510][ T83] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 41.447513][ T83] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 41.447517][ T83] ? __ia32_sys_getpeername (net/socket.c:2235) [ 41.447528][ T83] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 41.447534][ T83] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 41.447536][ T83] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 41.447539][ T83] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 41.447541][ T83] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 41.447543][ T83] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 41.447544][ T83] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 41.447547][ T83] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 41.447549][ T83] RIP: 0033:0x7f7cc019454e [ 41.447553][ T83] 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 [ 41.447555][ T83] RSP: 002b:00007ffda3b279c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 41.447558][ T83] RAX: ffffffffffffffda RBX: 000055ed41ed5f30 RCX: 00007f7cc019454e [ 41.447559][ T83] RDX: 0000000000000030 RSI: 000055ed42079f80 RDI: 0000000000000018 [ 41.447560][ T83] RBP: 00007ffda3b279d0 R08: 00007ffda3b27a20 R09: 0000000000000080 [ 41.447561][ T83] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ed4207f9e0 [ 41.447562][ T83] R13: 00007ffda3b27b04 R14: 0000000000000000 R15: 0000000000000000 | [ 42.522458][ T374] softirqs last disabled at (47124): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 42.522460][ T374] Preemption disabled at: | [ 42.522461][ T374] vprintk_emit (kernel/printk/printk.c:2471) | [ 42.522469][ T374] Tainted: [W]=WARN [ 42.522470][ T374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.522472][ T374] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 42.522476][ T374] Call Trace: [ 42.522477][ T374] [ 42.522479][ T374] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.522484][ T374] ? vprintk_emit (kernel/printk/printk.c:2471) [ 42.522486][ T374] __might_resched.cold (kernel/sched/core.c:9234) [ 42.522491][ T374] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.522495][ T374] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 42.522500][ T374] __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)) [ 42.522502][ T374] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.522507][ T374] ? 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) [ 42.522510][ T374] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.522513][ T374] put_chars (drivers/char/virtio_console.c:1176) [ 42.522516][ T374] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.522519][ T374] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.522523][ T374] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.522525][ T374] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 42.522529][ T374] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.522532][ T374] ? mark_usage (kernel/locking/lockdep.c:4690) [ 42.522534][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.522535][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.522539][ T374] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.522541][ T374] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 42.522544][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.522546][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.522550][ T374] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.522554][ T374] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.522558][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.522560][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.522564][ T374] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.522568][ T374] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.522569][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.522574][ T374] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.522577][ T374] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.522578][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.522581][ T374] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 42.522584][ T374] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.522585][ T374] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.522589][ T374] vprintk_emit (kernel/printk/printk.c:2479) [ 42.522592][ T374] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.522595][ T374] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.522599][ T374] dev_vprintk_emit (drivers/base/core.c:5000) [ 42.522604][ T374] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 42.522606][ T374] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 42.522614][ T374] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.522617][ T374] dev_printk_emit (drivers/base/core.c:5011) [ 42.522620][ T374] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 42.522622][ T374] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 42.522627][ T374] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.522629][ T374] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.522631][ T374] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 42.522634][ T374] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 42.522640][ T374] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 42.522642][ T374] ? netdev_notice (net/core/dev.c:13194) [ 42.522645][ T374] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.522647][ T374] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 42.522651][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.522655][ T374] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 42.522661][ T374] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 42.522663][ T374] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 42.522665][ T374] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 42.522669][ T374] __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 [ 42.522673][ T374] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 42.522679][ T374] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 42.522685][ T374] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 42.522688][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.522689][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.522691][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.522694][ T374] ? process_one_work (kernel/workqueue.c:3386) [ 42.522696][ T374] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 42.522697][ T374] process_one_work (kernel/workqueue.c:3387) [ 42.522703][ T374] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 42.522706][ T374] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.522713][ T374] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 42.522717][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 42.522719][ T374] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 42.522722][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 42.522725][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 42.522726][ T374] kthread (kernel/kthread.c:436) [ 42.522728][ T374] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 42.522732][ T374] ? kthread_affine_preferred (kernel/kthread.c:857) [ 42.522734][ T374] ret_from_fork (arch/x86/kernel/process.c:158) [ 42.522739][ T374] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 42.522743][ T374] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 42.522745][ T374] ? kthread_affine_preferred (kernel/kthread.c:857) [ 42.522748][ T374] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 43.548517][ T166] softirqs last disabled at (5196105): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 43.548520][ T166] Preemption disabled at: | [ 43.548521][ T166] vprintk_emit (kernel/printk/printk.c:2471) | [ 43.548530][ T166] Tainted: [W]=WARN [ 43.548531][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.548533][ T166] Call Trace: [ 43.548535][ T166] [ 43.548536][ T166] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.548542][ T166] ? vprintk_emit (kernel/printk/printk.c:2471) [ 43.548544][ T166] __might_resched.cold (kernel/sched/core.c:9234) [ 43.548549][ T166] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.548552][ T166] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 43.548557][ T166] __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)) [ 43.548559][ T166] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.548565][ T166] ? 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) [ 43.548567][ T166] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.548571][ T166] put_chars (drivers/char/virtio_console.c:1176) [ 43.548573][ T166] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.548575][ T166] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.548579][ T166] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.548582][ T166] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.548587][ T166] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.548589][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.548594][ T166] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.548597][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.548602][ T166] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.548606][ T166] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.548610][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.548613][ T166] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.548616][ T166] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.548621][ T166] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.548622][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.548628][ T166] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.548630][ T166] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.548632][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.548634][ T166] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.548638][ T166] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.548639][ T166] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.548643][ T166] vprintk_emit (kernel/printk/printk.c:2479) [ 43.548646][ T166] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.548649][ T166] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.548650][ T166] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.548656][ T166] dev_vprintk_emit (drivers/base/core.c:5000) [ 43.548661][ T166] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 43.548666][ T166] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 43.548671][ T166] dev_printk_emit (drivers/base/core.c:5011) [ 43.548673][ T166] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 43.548676][ T166] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 43.548680][ T166] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 43.548688][ T166] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 43.548693][ T166] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 43.548695][ T166] ? netdev_notice (net/core/dev.c:13194) [ 43.548700][ T166] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.548701][ T166] ? __udp_tunnel_nic_reset_ntf (net/ipv4/udp_tunnel_nic.c:550) udp_tunnel [ 43.548705][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.548709][ T166] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 43.548715][ T166] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 43.548720][ T166] ? __udp_tunnel_nic_reset_ntf (net/ipv4/udp_tunnel_nic.c:550) udp_tunnel [ 43.548722][ T166] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 43.548726][ T166] __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 [ 43.548730][ T166] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 43.548736][ T166] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 43.548739][ T166] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.548743][ T166] __udp_tunnel_nic_reset_ntf (net/ipv4/udp_tunnel_nic.c:570) udp_tunnel [ 43.548748][ T166] ? debugfs_file_put (fs/debugfs/file.c:177 (discriminator 3)) [ 43.548755][ T166] nsim_udp_tunnels_info_reset_write (./include/net/udp_tunnel.h:429 drivers/net/netdevsim/udp_tunnels.c:112) netdevsim [ 43.548761][ T166] full_proxy_write (fs/debugfs/file.c:389 (discriminator 7)) [ 43.548765][ T166] vfs_write (fs/read_write.c:685) [ 43.548770][ T166] ksys_write (fs/read_write.c:739) [ 43.548773][ T166] ? __ia32_sys_read (fs/read_write.c:723) [ 43.548774][ T166] ? 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) [ 43.548777][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.548781][ T166] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 43.548783][ T166] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 43.548786][ T166] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 43.548788][ T166] RIP: 0033:0x7f932863354e [ 43.548792][ T166] 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 [ 43.548794][ T166] RSP: 002b:00007ffe00c1faa0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 43.548797][ T166] RAX: ffffffffffffffda RBX: 00007f93287b4580 RCX: 00007f932863354e [ 43.548798][ T166] RDX: 0000000000000002 RSI: 0000555985a37270 RDI: 0000000000000001 [ 43.548799][ T166] RBP: 00007ffe00c1fab0 R08: 0000000000000000 R09: 0000000000000000 [ 43.548800][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 43.548801][ T166] R13: 0000000000000002 R14: 0000555985a37270 R15: 0000000000000000 | [ 44.590234][ T83] softirqs last disabled at (5926522): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 44.590236][ T83] Preemption disabled at: | [ 44.590237][ T83] vprintk_emit (kernel/printk/printk.c:2471) | [ 44.590253][ T83] Tainted: [W]=WARN [ 44.590254][ T83] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.590256][ T83] Call Trace: [ 44.590257][ T83] [ 44.590259][ T83] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.590265][ T83] ? vprintk_emit (kernel/printk/printk.c:2471) [ 44.590267][ T83] __might_resched.cold (kernel/sched/core.c:9234) [ 44.590271][ T83] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.590275][ T83] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 44.590280][ T83] __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)) [ 44.590282][ T83] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.590290][ T83] ? 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) [ 44.590293][ T83] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.590296][ T83] put_chars (drivers/char/virtio_console.c:1176) [ 44.590300][ T83] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.590301][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.590306][ T83] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.590308][ T83] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.590313][ T83] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.590316][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.590321][ T83] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.590324][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.590329][ T83] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.590333][ T83] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.590337][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.590339][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.590343][ T83] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.590347][ T83] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.590349][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.590354][ T83] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.590357][ T83] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.590358][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.590361][ T83] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 44.590364][ T83] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.590366][ T83] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.590369][ T83] vprintk_emit (kernel/printk/printk.c:2479) [ 44.590373][ T83] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.590375][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.590376][ T83] ? 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) [ 44.590383][ T83] dev_vprintk_emit (drivers/base/core.c:5000) [ 44.590388][ T83] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 44.590393][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 44.590398][ T83] dev_printk_emit (drivers/base/core.c:5011) [ 44.590401][ T83] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 44.590402][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.590406][ T83] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.590408][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.590409][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.590410][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.590412][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.590417][ T83] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 44.590422][ T83] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 44.590424][ T83] ? netdev_notice (net/core/dev.c:13194) [ 44.590427][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.590430][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.590432][ T83] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 44.590436][ T83] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 44.590438][ T83] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 44.590442][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.590443][ T83] ? 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) [ 44.590445][ T83] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 44.590449][ T83] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 44.590451][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.590454][ T83] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 44.590460][ T83] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 44.590464][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.590466][ T83] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 44.590468][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 44.590469][ T83] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.590472][ T83] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.590473][ T83] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.590478][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.590482][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.590484][ T83] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 44.590487][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.590489][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.590490][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.590492][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.590494][ T83] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 44.590497][ T83] ? __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) [ 44.590500][ T83] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 44.590501][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.590503][ T83] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 44.590506][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 44.590508][ T83] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 44.590510][ T83] ? nla_get_range_signed (lib/nlattr.c:270) [ 44.590516][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 44.590519][ T83] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 44.590527][ T83] rtnl_setlink (net/core/rtnetlink.c:3596) [ 44.590531][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 44.590532][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.590556][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.590558][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.590561][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.590563][ T83] ? mark_usage (kernel/locking/lockdep.c:4690) [ 44.590565][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.590569][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.590571][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.590573][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 44.590576][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.590579][ T83] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 44.590582][ T83] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 44.590585][ T83] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 44.590587][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.590591][ T83] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.590593][ T83] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.590597][ T83] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 44.590601][ T83] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 44.590604][ T83] ? netlink_ack (./include/linux/skbuff.h:2718) [ 44.590611][ T83] ? 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)) [ 44.590613][ T83] ? 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)) [ 44.590618][ T83] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 44.590622][ T83] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 44.590625][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.590630][ T83] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 44.590634][ T83] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 44.590638][ T83] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 44.590641][ T83] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 44.590645][ T83] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 44.590649][ T83] ? __ia32_sys_getpeername (net/socket.c:2235) [ 44.590663][ T83] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 44.590665][ T83] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 44.590669][ T83] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 44.590672][ T83] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 44.590673][ T83] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 44.590675][ T83] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 44.590678][ T83] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 44.590680][ T83] RIP: 0033:0x7f7cc019454e [ 44.590684][ T83] 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 [ 44.590686][ T83] RSP: 002b:00007ffda3b279c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 44.590689][ T83] RAX: ffffffffffffffda RBX: 000055ed41ed5f30 RCX: 00007f7cc019454e [ 44.590690][ T83] RDX: 0000000000000030 RSI: 000055ed42086e30 RDI: 0000000000000018 [ 44.590691][ T83] RBP: 00007ffda3b279d0 R08: 00007ffda3b27a20 R09: 0000000000000080 [ 44.590692][ T83] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ed42089330 [ 44.590693][ T83] R13: 00007ffda3b27b04 R14: 0000000000000000 R15: 0000000000000000 | [ 45.762389][ T374] softirqs last disabled at (50944): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 45.762391][ T374] Preemption disabled at: | [ 45.762391][ T374] vprintk_emit (kernel/printk/printk.c:2471) | [ 45.762400][ T374] Tainted: [W]=WARN [ 45.762401][ T374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.762403][ T374] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 45.762406][ T374] Call Trace: [ 45.762408][ T374] [ 45.762410][ T374] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.762416][ T374] ? vprintk_emit (kernel/printk/printk.c:2471) [ 45.762418][ T374] __might_resched.cold (kernel/sched/core.c:9234) [ 45.762423][ T374] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.762427][ T374] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 45.762432][ T374] __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)) [ 45.762434][ T374] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.762440][ T374] ? 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) [ 45.762442][ T374] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.762445][ T374] put_chars (drivers/char/virtio_console.c:1176) [ 45.762448][ T374] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.762452][ T374] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 45.762456][ T374] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 45.762458][ T374] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 45.762462][ T374] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.762465][ T374] ? mark_usage (kernel/locking/lockdep.c:4690) [ 45.762467][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.762468][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.762472][ T374] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.762474][ T374] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 45.762477][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.762480][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.762484][ T374] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.762487][ T374] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.762492][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.762494][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.762498][ T374] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.762502][ T374] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.762504][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.762509][ T374] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.762512][ T374] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.762513][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.762515][ T374] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 45.762519][ T374] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.762521][ T374] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.762524][ T374] vprintk_emit (kernel/printk/printk.c:2479) [ 45.762528][ T374] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.762531][ T374] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.762535][ T374] dev_vprintk_emit (drivers/base/core.c:5000) [ 45.762540][ T374] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 45.762542][ T374] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 45.762552][ T374] dev_printk_emit (drivers/base/core.c:5011) [ 45.762555][ T374] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 45.762560][ T374] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 45.762562][ T374] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 45.762564][ T374] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 45.762567][ T374] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 45.762572][ T374] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 45.762575][ T374] ? netdev_notice (net/core/dev.c:13194) [ 45.762579][ T374] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.762580][ T374] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 45.762584][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.762588][ T374] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 45.762595][ T374] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 45.762599][ T374] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 45.762600][ T374] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 45.762605][ T374] __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 [ 45.762609][ T374] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 45.762614][ T374] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 45.762621][ T374] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 45.762624][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.762626][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.762627][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.762631][ T374] ? process_one_work (kernel/workqueue.c:3386) [ 45.762632][ T374] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 45.762634][ T374] process_one_work (kernel/workqueue.c:3387) [ 45.762640][ T374] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 45.762643][ T374] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.762651][ T374] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 45.762655][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.762656][ T374] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 45.762660][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.762662][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.762664][ T374] kthread (kernel/kthread.c:436) [ 45.762666][ T374] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.762669][ T374] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.762672][ T374] ret_from_fork (arch/x86/kernel/process.c:158) [ 45.762677][ T374] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 45.762681][ T374] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 45.762683][ T374] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.762686][ T374] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 46.796435][ T374] softirqs last disabled at (52926): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 46.796437][ T374] Preemption disabled at: | [ 46.796438][ T374] vprintk_emit (kernel/printk/printk.c:2471) | [ 46.796447][ T374] Tainted: [W]=WARN [ 46.796448][ T374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.796449][ T374] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 46.796453][ T374] Call Trace: [ 46.796454][ T374] [ 46.796456][ T374] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.796462][ T374] ? vprintk_emit (kernel/printk/printk.c:2471) [ 46.796464][ T374] __might_resched.cold (kernel/sched/core.c:9234) [ 46.796469][ T374] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.796472][ T374] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 46.796477][ T374] __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)) [ 46.796480][ T374] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.796486][ T374] ? 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) [ 46.796488][ T374] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.796491][ T374] put_chars (drivers/char/virtio_console.c:1176) [ 46.796494][ T374] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.796497][ T374] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.796501][ T374] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.796504][ T374] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.796508][ T374] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.796511][ T374] ? mark_usage (kernel/locking/lockdep.c:4690) [ 46.796512][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.796514][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.796518][ T374] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.796520][ T374] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 46.796523][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.796525][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.796529][ T374] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.796533][ T374] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.796537][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.796540][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.796543][ T374] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.796548][ T374] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.796549][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.796554][ T374] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.796557][ T374] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.796559][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.796561][ T374] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 46.796564][ T374] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.796566][ T374] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.796569][ T374] vprintk_emit (kernel/printk/printk.c:2479) [ 46.796573][ T374] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.796576][ T374] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.796580][ T374] dev_vprintk_emit (drivers/base/core.c:5000) [ 46.796585][ T374] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 46.796587][ T374] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 46.796595][ T374] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.796599][ T374] dev_printk_emit (drivers/base/core.c:5011) [ 46.796601][ T374] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 46.796603][ T374] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 46.796609][ T374] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.796611][ T374] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.796613][ T374] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.796616][ T374] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 46.796622][ T374] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 46.796624][ T374] ? netdev_notice (net/core/dev.c:13194) [ 46.796628][ T374] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.796630][ T374] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 46.796633][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.796637][ T374] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 46.796644][ T374] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 46.796647][ T374] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 46.796649][ T374] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 46.796653][ T374] __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 [ 46.796657][ T374] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 46.796663][ T374] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 46.796669][ T374] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 46.796672][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.796674][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.796675][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.796679][ T374] ? process_one_work (kernel/workqueue.c:3386) [ 46.796680][ T374] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 46.796682][ T374] process_one_work (kernel/workqueue.c:3387) [ 46.796688][ T374] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 46.796691][ T374] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.796699][ T374] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 46.796703][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 46.796704][ T374] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 46.796707][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 46.796710][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 46.796712][ T374] kthread (kernel/kthread.c:436) [ 46.796713][ T374] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 46.796717][ T374] ? kthread_affine_preferred (kernel/kthread.c:857) [ 46.796720][ T374] ret_from_fork (arch/x86/kernel/process.c:158) [ 46.796725][ T374] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 46.796729][ T374] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 46.796731][ T374] ? kthread_affine_preferred (kernel/kthread.c:857) [ 46.796734][ T374] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 47.905582][ T374] softirqs last disabled at (59010): __fib6_clean_all (./include/linux/spinlock.h:353 (discriminator 32768) net/ipv6/ip6_fib.c:2323 (discriminator 32768)) | [ 47.905584][ T374] Preemption disabled at: | [ 47.905584][ T374] vprintk_emit (kernel/printk/printk.c:2471) | [ 47.905593][ T374] Tainted: [W]=WARN [ 47.905594][ T374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 47.905596][ T374] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 47.905599][ T374] Call Trace: [ 47.905601][ T374] [ 47.905602][ T374] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 47.905608][ T374] ? vprintk_emit (kernel/printk/printk.c:2471) [ 47.905610][ T374] __might_resched.cold (kernel/sched/core.c:9234) [ 47.905615][ T374] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 47.905619][ T374] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 47.905624][ T374] __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)) [ 47.905626][ T374] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.905632][ T374] ? 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) [ 47.905634][ T374] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.905637][ T374] put_chars (drivers/char/virtio_console.c:1176) [ 47.905641][ T374] ? __send_to_port (drivers/char/virtio_console.c:654) [ 47.905644][ T374] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 47.905648][ T374] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 47.905650][ T374] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 47.905654][ T374] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 47.905657][ T374] ? mark_usage (kernel/locking/lockdep.c:4690) [ 47.905659][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.905660][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.905664][ T374] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 47.905666][ T374] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 47.905669][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.905672][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.905676][ T374] console_emit_next_record (kernel/printk/printk.c:3183) [ 47.905679][ T374] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 47.905684][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.905686][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.905690][ T374] console_flush_one_record (kernel/printk/printk.c:3268) [ 47.905694][ T374] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 47.905696][ T374] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.905701][ T374] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 47.905704][ T374] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 47.905705][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.905707][ T374] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 47.905711][ T374] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 47.905712][ T374] ? vprintk_emit (kernel/printk/printk.c:2478) [ 47.905716][ T374] vprintk_emit (kernel/printk/printk.c:2479) [ 47.905719][ T374] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 47.905722][ T374] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 47.905724][ T374] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 47.905728][ T374] dev_vprintk_emit (drivers/base/core.c:5000) [ 47.905733][ T374] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 47.905735][ T374] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 47.905739][ T374] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 47.905744][ T374] dev_printk_emit (drivers/base/core.c:5011) [ 47.905747][ T374] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 47.905751][ T374] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 47.905753][ T374] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 47.905755][ T374] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 47.905759][ T374] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 47.905765][ T374] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 47.905767][ T374] ? netdev_notice (net/core/dev.c:13194) [ 47.905771][ T374] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.905773][ T374] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 47.905776][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.905781][ T374] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 47.905787][ T374] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 47.905790][ T374] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 47.905792][ T374] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 47.905796][ T374] __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 [ 47.905800][ T374] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 47.905806][ T374] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 47.905812][ T374] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 47.905815][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.905817][ T374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.905818][ T374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.905822][ T374] ? process_one_work (kernel/workqueue.c:3386) [ 47.905823][ T374] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 47.905825][ T374] process_one_work (kernel/workqueue.c:3387) [ 47.905831][ T374] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 47.905834][ T374] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.905842][ T374] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 47.905846][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 47.905848][ T374] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 47.905851][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 47.905854][ T374] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 47.905855][ T374] kthread (kernel/kthread.c:436) [ 47.905857][ T374] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 47.905861][ T374] ? kthread_affine_preferred (kernel/kthread.c:857) [ 47.905863][ T374] ret_from_fork (arch/x86/kernel/process.c:158) [ 47.905868][ T374] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 47.905872][ T374] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 47.905875][ T374] ? kthread_affine_preferred (kernel/kthread.c:857) [ 47.905877][ T374] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 48.952764][ T3097] softirqs last disabled at (13360): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 48.952768][ T3097] Preemption disabled at: | [ 48.952769][ T3097] vprintk_emit (kernel/printk/printk.c:2471) | [ 48.952778][ T3097] Tainted: [W]=WARN [ 48.952779][ T3097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 48.952781][ T3097] Call Trace: [ 48.952782][ T3097] [ 48.952784][ T3097] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 48.952790][ T3097] ? vprintk_emit (kernel/printk/printk.c:2471) [ 48.952792][ T3097] __might_resched.cold (kernel/sched/core.c:9234) [ 48.952796][ T3097] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 48.952800][ T3097] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 48.952805][ T3097] __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)) [ 48.952807][ T3097] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.952812][ T3097] ? 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) [ 48.952815][ T3097] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.952818][ T3097] put_chars (drivers/char/virtio_console.c:1176) [ 48.952821][ T3097] ? __send_to_port (drivers/char/virtio_console.c:654) [ 48.952824][ T3097] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 48.952829][ T3097] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 48.952831][ T3097] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.952836][ T3097] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 48.952839][ T3097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.952845][ T3097] console_emit_next_record (kernel/printk/printk.c:3183) [ 48.952848][ T3097] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 48.952853][ T3097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.952855][ T3097] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.952858][ T3097] console_flush_one_record (kernel/printk/printk.c:3268) [ 48.952862][ T3097] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 48.952864][ T3097] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.952869][ T3097] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 48.952872][ T3097] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 48.952873][ T3097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.952875][ T3097] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 48.952879][ T3097] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 48.952880][ T3097] ? vprintk_emit (kernel/printk/printk.c:2478) [ 48.952883][ T3097] vprintk_emit (kernel/printk/printk.c:2479) [ 48.952887][ T3097] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 48.952890][ T3097] ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1)) [ 48.952896][ T3097] dev_vprintk_emit (drivers/base/core.c:5000) [ 48.952901][ T3097] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 48.952906][ T3097] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.952908][ T3097] ? down_write_trylock (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2629 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3224 kernel/locking/rwsem.c:144 kernel/locking/rwsem.c:269 kernel/locking/rwsem.c:1370 kernel/locking/rwsem.c:1661) [ 48.952913][ T3097] dev_printk_emit (drivers/base/core.c:5011) [ 48.952916][ T3097] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 48.952919][ T3097] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.952921][ T3097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.952922][ T3097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.952924][ T3097] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 48.952927][ T3097] ? __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) [ 48.952931][ T3097] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 48.952937][ T3097] netdev_warn (net/core/dev.c:13193 (discriminator 3)) [ 48.952939][ T3097] ? netdev_err (net/core/dev.c:13192) [ 48.952943][ T3097] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 48.952947][ T3097] ? __udp_tunnel_nic_add_port (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/netdevice.h:4084 net/ipv4/udp_tunnel_nic.c:498) udp_tunnel [ 48.952950][ T3097] udp_tunnel_notify_add_rx_port (./include/net/udp_tunnel.h:402 ./include/net/udp_tunnel.h:397 net/ipv4/udp_tunnel_core.c:141) udp_tunnel [ 48.952953][ T3097] ? udp_tunnel_drop_rx_port (./include/net/udp_tunnel.h:411) udp_tunnel [ 48.952955][ T3097] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 48.952960][ T3097] geneve_sock_add (drivers/net/geneve.c:1189) geneve [ 48.952965][ T3097] ? vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4736 (discriminator 1)) vxlan [ 48.952970][ T3097] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 48.952972][ T3097] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 48.952974][ T3097] ? geneve_stop (drivers/net/geneve.c:1227) geneve [ 48.952977][ T3097] ? vxlan_exit_rtnl (drivers/net/vxlan/vxlan_core.c:4926 drivers/net/vxlan/vxlan_core.c:4938) vxlan [ 48.952980][ T3097] ? geneve_udp_encap_err_lookup (./include/linux/skbuff.h:3093) geneve [ 48.952982][ T3097] ? ip4_dst_hoplimit (./include/net/dst.h:582 (discriminator 4) ./include/net/dst.h:587 (discriminator 4) ./include/net/route.h:395 (discriminator 4)) geneve [ 48.952985][ T3097] ? geneve_rx (./include/linux/skbuff.h:3160) geneve [ 48.952987][ T3097] ? geneve_sk_gro_hint_off (drivers/net/geneve.c:469 (discriminator 1)) geneve [ 48.952989][ T3097] ? ndisc_netdev_event (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/ndisc.c:1863 (discriminator 1)) [ 48.952992][ T3097] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 48.952998][ T3097] geneve_open (drivers/net/geneve.c:1214) geneve [ 48.953001][ T3097] __dev_open (net/core/dev.c:1724) [ 48.953005][ T3097] ? netif_state_change (./include/net/netdev_lock.h:33) [ 48.953008][ T3097] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 48.953010][ T3097] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 48.953014][ T3097] __dev_change_flags (net/core/dev.c:9812) [ 48.953017][ T3097] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 48.953019][ T3097] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 48.953022][ T3097] ? __kernel_text_address (kernel/extable.c:79) [ 48.953024][ T3097] ? write_profile (profile.c:?) [ 48.953030][ T3097] netif_change_flags (net/core/dev.c:9877) [ 48.953033][ T3097] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 48.953037][ T3097] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 48.953039][ T3097] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 48.953041][ T3097] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 48.953043][ T3097] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 48.953046][ T3097] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 48.953049][ T3097] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 48.953050][ T3097] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 48.953053][ T3097] ? kasan_save_stack (mm/kasan/common.c:58) [ 48.953056][ T3097] ? kasan_save_stack (mm/kasan/common.c:57) [ 48.953057][ T3097] ? kasan_save_track (mm/kasan/common.c:78) [ 48.953059][ T3097] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.953061][ T3097] ? netlink_create (net/netlink/af_netlink.c:666) [ 48.953064][ T3097] ? ___sys_sendmsg (net/socket.c:2758 (discriminator 1)) [ 48.953070][ T3097] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 48.953071][ T3097] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 48.953074][ T3097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.953076][ T3097] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.953078][ T3097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.953079][ T3097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.953081][ T3097] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 48.953084][ T3097] ? __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) [ 48.953085][ T3097] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 48.953087][ T3097] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 48.953091][ T3097] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 48.953096][ T3097] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 48.953102][ T3097] rtnl_newlink (net/core/rtnetlink.c:4215) [ 48.953107][ T3097] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 48.953110][ T3097] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.953114][ T3097] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 48.953115][ T3097] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 48.953118][ T3097] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 48.953120][ T3097] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 48.953123][ T3097] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 48.953126][ T3097] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 48.953129][ T3097] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 48.953131][ T3097] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.953135][ T3097] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 48.953137][ T3097] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 48.953140][ T3097] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 48.953143][ T3097] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 48.953146][ T3097] ? netlink_ack (./include/linux/skbuff.h:2718) [ 48.953152][ T3097] ? 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)) [ 48.953154][ T3097] ? 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)) [ 48.953159][ T3097] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 48.953163][ T3097] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 48.953166][ T3097] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.953170][ T3097] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 48.953174][ T3097] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 48.953178][ T3097] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 48.953183][ T3097] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 48.953186][ T3097] ? copy_msghdr_from_user (net/socket.c:2650) [ 48.953188][ T3097] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 48.953190][ T3097] ? move_addr_to_kernel (net/socket.c:258) [ 48.953198][ T3097] ___sys_sendmsg (net/socket.c:2767) [ 48.953201][ T3097] ? copy_msghdr_from_user (net/socket.c:2619) [ 48.953217][ T3097] __sys_sendmsg (net/socket.c:2799) [ 48.953220][ T3097] ? __sys_sendmsg_sock (net/socket.c:2780) [ 48.953226][ T3097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.953229][ T3097] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 48.953232][ T3097] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 48.953235][ T3097] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 48.953237][ T3097] RIP: 0033:0x7f587a0dd54e [ 48.953240][ T3097] 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 [ 48.953242][ T3097] RSP: 002b:00007ffe481d65b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 48.953245][ T3097] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f587a0dd54e [ 48.953246][ T3097] RDX: 0000000000000000 RSI: 00007ffe481d6660 RDI: 0000000000000005 [ 48.953247][ T3097] RBP: 00007ffe481d65c0 R08: 0000000000000000 R09: 0000000000000000 [ 48.953248][ T3097] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e636 Finger prints: __dev_queue_xmit:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars dev_set_rx_mode:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu: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 release_sock:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars