====================================== | [ 9.371495][ T87] softirqs last disabled at (296370): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 9.371497][ T87] Preemption disabled at: | [ 9.371497][ T87] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.371506][ T87] Tainted: [W]=WARN [ 9.371507][ T87] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.371509][ T87] Call Trace: [ 9.371510][ T87] [ 9.371512][ T87] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.371517][ T87] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.371519][ T87] __might_resched.cold (kernel/sched/core.c:9234) [ 9.371524][ T87] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.371528][ T87] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.371533][ T87] __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)) [ 9.371535][ T87] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.371541][ T87] ? 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) [ 9.371543][ T87] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.371546][ T87] put_chars (drivers/char/virtio_console.c:1176) [ 9.371549][ T87] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.371553][ T87] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.371558][ T87] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.371560][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.371565][ T87] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.371568][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.371574][ T87] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.371578][ T87] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.371582][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.371584][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.371588][ T87] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.371592][ T87] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.371594][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.371599][ T87] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.371602][ T87] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.371603][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.371605][ T87] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.371609][ T87] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.371610][ T87] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.371614][ T87] vprintk_emit (kernel/printk/printk.c:2479) [ 9.371617][ T87] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.371619][ T87] ? write_profile (profile.c:?) [ 9.371622][ T87] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 9.371629][ T87] dev_vprintk_emit (drivers/base/core.c:5000) [ 9.371634][ T87] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 9.371639][ T87] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.371645][ T87] dev_printk_emit (drivers/base/core.c:5011) [ 9.371648][ T87] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 9.371652][ T87] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 9.371657][ T87] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 9.371662][ T87] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.371664][ T87] ? netdev_notice (net/core/dev.c:13194) [ 9.371667][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.371671][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.371673][ T87] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.371676][ T87] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.371679][ T87] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 9.371682][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.371684][ T87] ? 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) [ 9.371686][ T87] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 9.371689][ T87] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 9.371692][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.371695][ T87] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.371701][ T87] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.371704][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.371706][ T87] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.371708][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.371709][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.371712][ T87] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.371714][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.371719][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.371723][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.371725][ T87] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.371728][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.371730][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.371731][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.371733][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.371735][ T87] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.371737][ T87] ? __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) [ 9.371740][ T87] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.371742][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.371744][ T87] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.371746][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.371749][ T87] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.371750][ T87] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.371757][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.371759][ T87] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.371768][ T87] rtnl_setlink (net/core/rtnetlink.c:3596) [ 9.371771][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.371773][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.371797][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.371798][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.371802][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.371803][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.371805][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.371809][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.371811][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.371813][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.371815][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.371819][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.371821][ T87] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.371825][ T87] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.371827][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.371831][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.371833][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.371837][ T87] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.371840][ T87] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.371844][ T87] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.371850][ T87] ? 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)) [ 9.371853][ T87] ? 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)) [ 9.371858][ T87] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.371862][ T87] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.371864][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.371869][ T87] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.371873][ T87] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.371877][ T87] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.371881][ T87] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.371884][ T87] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 9.371888][ T87] ? __ia32_sys_getpeername (net/socket.c:2235) [ 9.371902][ T87] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 9.371904][ T87] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.371908][ T87] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.371911][ T87] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 9.371912][ T87] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.371914][ T87] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.371917][ T87] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.371919][ T87] RIP: 0033:0x7f13aa3b354e [ 9.371923][ T87] 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 [ 9.371924][ T87] RSP: 002b:00007ffd82d28ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 9.371927][ T87] RAX: ffffffffffffffda RBX: 0000556c3adf2f60 RCX: 00007f13aa3b354e [ 9.371929][ T87] RDX: 0000000000000030 RSI: 0000556c3af48200 RDI: 000000000000001e [ 9.371929][ T87] RBP: 00007ffd82d28ae0 R08: 00007ffd82d28b30 R09: 0000000000000080 [ 9.371930][ T87] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556c3af491c0 [ 9.371931][ T87] R13: 00007ffd82d28c14 R14: 0000000000000000 R15: 0000000000000000 | [ 10.377528][ T185] softirqs last disabled at (1444): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 10.377530][ T185] Preemption disabled at: | [ 10.377531][ T185] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.377540][ T185] Tainted: [W]=WARN [ 10.377541][ T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.377543][ T185] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 10.377546][ T185] Call Trace: [ 10.377548][ T185] [ 10.377549][ T185] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.377555][ T185] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.377557][ T185] __might_resched.cold (kernel/sched/core.c:9234) [ 10.377562][ T185] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.377566][ T185] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.377571][ T185] __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)) [ 10.377573][ T185] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.377579][ T185] ? 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) [ 10.377581][ T185] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.377584][ T185] put_chars (drivers/char/virtio_console.c:1176) [ 10.377587][ T185] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.377591][ T185] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.377595][ T185] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.377597][ T185] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.377601][ T185] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.377604][ T185] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.377606][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.377607][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.377611][ T185] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.377613][ T185] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 10.377616][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.377619][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.377623][ T185] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.377626][ T185] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.377631][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.377633][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.377637][ T185] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.377642][ T185] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.377644][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.377650][ T185] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.377653][ T185] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.377655][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.377657][ T185] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.377661][ T185] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.377662][ T185] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.377666][ T185] vprintk_emit (kernel/printk/printk.c:2479) [ 10.377670][ T185] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.377673][ T185] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.377677][ T185] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.377683][ T185] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.377685][ T185] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 10.377695][ T185] dev_printk_emit (drivers/base/core.c:5011) [ 10.377698][ T185] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.377704][ T185] ? 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) [ 10.377708][ T185] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.377714][ T185] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.377716][ T185] ? netdev_notice (net/core/dev.c:13194) [ 10.377721][ T185] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.377723][ T185] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 10.377726][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.377730][ T185] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 10.377737][ T185] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.377741][ T185] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 10.377743][ T185] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.377747][ T185] __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 [ 10.377752][ T185] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 10.377758][ T185] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 10.377765][ T185] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 10.377768][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.377770][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.377771][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.377775][ T185] ? process_one_work (kernel/workqueue.c:3386) [ 10.377776][ T185] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 10.377778][ T185] process_one_work (kernel/workqueue.c:3387) [ 10.377785][ T185] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 10.377788][ T185] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.377796][ T185] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 10.377800][ T185] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.377802][ T185] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 10.377805][ T185] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.377808][ T185] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.377810][ T185] kthread (kernel/kthread.c:436) [ 10.377812][ T185] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.377815][ T185] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.377818][ T185] ret_from_fork (arch/x86/kernel/process.c:158) [ 10.377823][ T185] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 10.377827][ T185] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 10.377830][ T185] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.377833][ T185] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 11.441016][ T87] softirqs last disabled at (587860): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 11.441018][ T87] Preemption disabled at: | [ 11.441019][ T87] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.441031][ T87] Tainted: [W]=WARN [ 11.441032][ T87] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.441033][ T87] Call Trace: [ 11.441035][ T87] [ 11.441036][ T87] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.441048][ T87] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.441050][ T87] __might_resched.cold (kernel/sched/core.c:9234) [ 11.441055][ T87] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.441059][ T87] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.441064][ T87] __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)) [ 11.441066][ T87] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.441072][ T87] ? 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) [ 11.441075][ T87] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.441078][ T87] put_chars (drivers/char/virtio_console.c:1176) [ 11.441081][ T87] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.441082][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.441087][ T87] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.441089][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.441094][ T87] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.441097][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.441102][ T87] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.441105][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.441110][ T87] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.441114][ T87] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.441118][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.441121][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.441125][ T87] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.441129][ T87] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.441130][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.441136][ T87] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.441138][ T87] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.441140][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.441142][ T87] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.441146][ T87] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.441147][ T87] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.441151][ T87] vprintk_emit (kernel/printk/printk.c:2479) [ 11.441155][ T87] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.441157][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.441162][ T87] dev_vprintk_emit (drivers/base/core.c:5000) [ 11.441167][ T87] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 11.441176][ T87] dev_printk_emit (drivers/base/core.c:5011) [ 11.441179][ T87] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 11.441181][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.441184][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.441186][ T87] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 11.441190][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.441192][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.441196][ T87] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 11.441201][ T87] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 11.441204][ T87] ? netdev_notice (net/core/dev.c:13194) [ 11.441206][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.441210][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.441212][ T87] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.441216][ T87] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.441218][ T87] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 11.441222][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.441223][ T87] ? 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) [ 11.441225][ T87] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 11.441229][ T87] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 11.441231][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.441235][ T87] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.441241][ T87] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.441244][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.441247][ T87] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.441248][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.441250][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.441252][ T87] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.441254][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.441258][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.441263][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.441264][ T87] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 11.441267][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.441270][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.441271][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.441273][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.441275][ T87] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.441278][ T87] ? __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) [ 11.441281][ T87] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.441282][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.441284][ T87] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 11.441286][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.441289][ T87] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.441291][ T87] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.441297][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.441300][ T87] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.441308][ T87] rtnl_setlink (net/core/rtnetlink.c:3596) [ 11.441312][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.441314][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.441338][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.441340][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.441343][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.441345][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.441346][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.441351][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.441353][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.441355][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.441357][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.441361][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.441363][ T87] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.441367][ T87] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.441369][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.441373][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.441375][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.441379][ T87] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.441382][ T87] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.441386][ T87] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.441393][ T87] ? 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)) [ 11.441395][ T87] ? 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)) [ 11.441400][ T87] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.441404][ T87] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.441407][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.441411][ T87] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.441416][ T87] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.441420][ T87] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.441423][ T87] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.441427][ T87] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 11.441430][ T87] ? __ia32_sys_getpeername (net/socket.c:2235) [ 11.441445][ T87] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 11.441447][ T87] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.441451][ T87] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.441453][ T87] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 11.441455][ T87] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.441457][ T87] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.441460][ T87] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.441462][ T87] RIP: 0033:0x7f13aa3b354e [ 11.441466][ T87] 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 [ 11.441468][ T87] RSP: 002b:00007ffd82d28ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 11.441470][ T87] RAX: ffffffffffffffda RBX: 0000556c3adf2f60 RCX: 00007f13aa3b354e [ 11.441471][ T87] RDX: 0000000000000030 RSI: 0000556c3af48640 RDI: 000000000000001e [ 11.441472][ T87] RBP: 00007ffd82d28ae0 R08: 00007ffd82d28b30 R09: 0000000000000080 [ 11.441473][ T87] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556c3af53120 [ 11.441474][ T87] R13: 00007ffd82d28c14 R14: 0000000000000000 R15: 0000000000000000 | [ 12.543289][ T333] softirqs last disabled at (22174): 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)) | [ 12.543292][ T333] Preemption disabled at: | [ 12.543293][ T333] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.543303][ T333] Tainted: [W]=WARN [ 12.543304][ T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.543306][ T333] Call Trace: [ 12.543307][ T333] [ 12.543309][ T333] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.543314][ T333] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.543316][ T333] __might_resched.cold (kernel/sched/core.c:9234) [ 12.543321][ T333] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.543325][ T333] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.543330][ T333] __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)) [ 12.543332][ T333] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.543338][ T333] ? 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) [ 12.543340][ T333] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.543344][ T333] put_chars (drivers/char/virtio_console.c:1176) [ 12.543347][ T333] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.543348][ T333] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 12.543352][ T333] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.543357][ T333] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.543360][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.543361][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.543366][ T333] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.543369][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.543373][ T333] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.543377][ T333] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.543381][ T333] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.543385][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.543387][ T333] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.543391][ T333] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.543396][ T333] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.543397][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.543403][ T333] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.543405][ T333] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.543407][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.543409][ T333] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.543413][ T333] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.543414][ T333] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.543418][ T333] vprintk_emit (kernel/printk/printk.c:2479) [ 12.543426][ T333] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.543429][ T333] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.543433][ T333] dev_vprintk_emit (drivers/base/core.c:5000) [ 12.543439][ T333] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 12.543444][ T333] ? __bfs (kernel/locking/lockdep.c:1831 (discriminator 2)) [ 12.543451][ T333] dev_printk_emit (drivers/base/core.c:5011) [ 12.543454][ T333] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 12.543456][ T333] ? __bfs (kernel/locking/lockdep.c:1831 (discriminator 2)) [ 12.543464][ T333] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 12.543469][ T333] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.543471][ T333] ? netdev_notice (net/core/dev.c:13194) [ 12.543477][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.543482][ T333] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 12.543491][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.543492][ T333] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 12.543496][ T333] __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 [ 12.543501][ T333] ? __mutex_lock (kernel/locking/mutex.c:649 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.543509][ T333] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 12.543512][ T333] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.543513][ T333] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.543518][ T333] udp_tunnel_nic_flush (net/ipv4/udp_tunnel_nic.c:691) udp_tunnel [ 12.543520][ T333] ? packet_notifier (net/packet/af_packet.c:4222 (discriminator 26)) [ 12.543529][ T333] udp_tunnel_nic_netdevice_event (net/ipv4/udp_tunnel_nic.c:961) udp_tunnel [ 12.543535][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.543537][ T333] notifier_call_chain (kernel/notifier.c:85) [ 12.543544][ T333] __dev_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1769) [ 12.543547][ T333] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.543550][ T333] ? netif_open (net/core/dev.c:1755) [ 12.543552][ T333] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.543555][ T333] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.543558][ T333] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.543562][ T333] __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 12.543565][ T333] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 12.543568][ T333] ? __kernel_text_address (kernel/extable.c:79) [ 12.543571][ T333] ? write_profile (profile.c:?) [ 12.543577][ T333] netif_change_flags (net/core/dev.c:9877) [ 12.543580][ T333] ? 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) [ 12.543582][ T333] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 12.543586][ T333] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.543589][ T333] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.543590][ T333] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.543593][ T333] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.543597][ T333] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.543599][ T333] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.543601][ T333] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.543603][ T333] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.543605][ T333] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.543607][ T333] ? kasan_save_track (mm/kasan/common.c:78) [ 12.543610][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.543611][ T333] ? netlink_create (net/netlink/af_netlink.c:666) [ 12.543615][ T333] ? ___sys_sendmsg (net/socket.c:2758 (discriminator 1)) [ 12.543620][ T333] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.543622][ T333] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.543625][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.543628][ T333] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.543629][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.543631][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.543633][ T333] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.543636][ T333] ? __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) [ 12.543637][ T333] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.543640][ T333] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.543644][ T333] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.543650][ T333] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.543656][ T333] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.543662][ T333] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.543664][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.543669][ T333] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.543671][ T333] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.543673][ T333] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.543675][ T333] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.543679][ T333] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.543682][ T333] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.543685][ T333] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.543687][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.543691][ T333] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.543693][ T333] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.543697][ T333] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.543700][ T333] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.543703][ T333] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.543710][ T333] ? 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)) [ 12.543712][ T333] ? 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)) [ 12.543717][ T333] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.543722][ T333] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.543725][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.543729][ T333] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.543733][ T333] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.543738][ T333] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.543743][ T333] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.543746][ T333] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.543749][ T333] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.543751][ T333] ? move_addr_to_kernel (net/socket.c:258) [ 12.543759][ T333] ___sys_sendmsg (net/socket.c:2767) [ 12.543763][ T333] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.543781][ T333] __sys_sendmsg (net/socket.c:2799) [ 12.543783][ T333] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.543790][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.543793][ T333] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.543796][ T333] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.543799][ T333] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.543802][ T333] RIP: 0033:0x7febb091a54e [ 12.543805][ T333] 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 [ 12.543807][ T333] RSP: 002b:00007ffc7df15930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.543810][ T333] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007febb091a54e [ 12.543812][ T333] RDX: 0000000000000000 RSI: 00007ffc7df159e0 RDI: 0000000000000005 [ 12.543812][ T333] RBP: 00007ffc7df15940 R08: 0000000000000000 R09: 0000000000000000 [ 12.543813][ T333] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91298a [ 12.543814][ T333] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7df160a0 | [ 13.813136][ T87] softirqs last disabled at (949524): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 13.813138][ T87] Preemption disabled at: | [ 13.813139][ T87] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.813148][ T87] Tainted: [W]=WARN [ 13.813149][ T87] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.813151][ T87] Call Trace: [ 13.813152][ T87] [ 13.813154][ T87] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.813160][ T87] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.813162][ T87] __might_resched.cold (kernel/sched/core.c:9234) [ 13.813166][ T87] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.813171][ T87] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.813175][ T87] __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)) [ 13.813178][ T87] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.813183][ T87] ? 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) [ 13.813185][ T87] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.813189][ T87] put_chars (drivers/char/virtio_console.c:1176) [ 13.813192][ T87] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.813195][ T87] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 13.813200][ T87] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.813203][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.813208][ T87] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.813211][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.813217][ T87] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.813221][ T87] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.813225][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.813227][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.813231][ T87] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.813235][ T87] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.813237][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.813242][ T87] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.813245][ T87] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.813246][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.813249][ T87] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.813252][ T87] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.813254][ T87] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.813257][ T87] vprintk_emit (kernel/printk/printk.c:2479) [ 13.813260][ T87] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.813262][ T87] ? write_profile (profile.c:?) [ 13.813266][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.813269][ T87] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.813273][ T87] dev_vprintk_emit (drivers/base/core.c:5000) [ 13.813278][ T87] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 13.813280][ T87] ? check_irq_usage (kernel/locking/lockdep.c:1876 kernel/locking/lockdep.c:2812) [ 13.813288][ T87] dev_printk_emit (drivers/base/core.c:5011) [ 13.813290][ T87] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 13.813294][ T87] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 13.813295][ T87] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 13.813300][ T87] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 13.813305][ T87] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 13.813308][ T87] ? netdev_notice (net/core/dev.c:13194) [ 13.813310][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.813316][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.813318][ T87] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.813322][ T87] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 13.813324][ T87] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 13.813327][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.813329][ T87] ? 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) [ 13.813331][ T87] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 13.813334][ T87] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 13.813337][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.813340][ T87] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 13.813346][ T87] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 13.813349][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.813352][ T87] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 13.813354][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.813355][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.813358][ T87] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.813359][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.813364][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.813368][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.813370][ T87] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 13.813373][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.813375][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.813376][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.813378][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.813380][ T87] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 13.813383][ T87] ? __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) [ 13.813386][ T87] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 13.813387][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.813389][ T87] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 13.813392][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.813394][ T87] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 13.813396][ T87] ? nla_get_range_signed (lib/nlattr.c:270) [ 13.813402][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.813405][ T87] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 13.813413][ T87] rtnl_setlink (net/core/rtnetlink.c:3596) [ 13.813417][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 13.813418][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.813442][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.813443][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.813447][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.813448][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.813450][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.813454][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.813456][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.813459][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 13.813461][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.813464][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 13.813467][ T87] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.813470][ T87] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.813472][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.813477][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.813478][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.813482][ T87] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 13.813486][ T87] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.813489][ T87] ? netlink_ack (./include/linux/skbuff.h:2718) [ 13.813496][ T87] ? 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)) [ 13.813498][ T87] ? 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)) [ 13.813503][ T87] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 13.813507][ T87] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.813510][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.813512][ T87] ? 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) [ 13.813516][ T87] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 13.813520][ T87] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.813524][ T87] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 13.813528][ T87] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 13.813531][ T87] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 13.813535][ T87] ? __ia32_sys_getpeername (net/socket.c:2235) [ 13.813546][ T87] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 13.813552][ T87] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 13.813553][ T87] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.813557][ T87] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.813559][ T87] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 13.813561][ T87] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.813562][ T87] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.813565][ T87] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.813567][ T87] RIP: 0033:0x7f13aa3b354e [ 13.813571][ T87] 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 [ 13.813573][ T87] RSP: 002b:00007ffd82d28ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 13.813576][ T87] RAX: ffffffffffffffda RBX: 0000556c3adf2f60 RCX: 00007f13aa3b354e [ 13.813577][ T87] RDX: 0000000000000030 RSI: 0000556c3af41ff0 RDI: 000000000000001e [ 13.813578][ T87] RBP: 00007ffd82d28ae0 R08: 00007ffd82d28b30 R09: 0000000000000080 [ 13.813579][ T87] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556c3af5cc10 [ 13.813580][ T87] R13: 00007ffd82d28c14 R14: 0000000000000000 R15: 0000000000000000 | [ 14.897641][ T68] softirqs last disabled at (636): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 14.897643][ T68] Preemption disabled at: | [ 14.897644][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.897654][ T68] Tainted: [W]=WARN [ 14.897655][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.897656][ T68] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 14.897660][ T68] Call Trace: [ 14.897661][ T68] [ 14.897663][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.897669][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.897671][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 14.897676][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.897680][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.897685][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.897687][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.897693][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.897696][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.897699][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 14.897702][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.897705][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.897709][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.897712][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.897716][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.897719][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.897720][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.897722][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.897726][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.897728][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.897731][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.897733][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.897737][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.897741][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.897746][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.897748][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.897752][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.897756][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.897758][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.897763][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.897766][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.897767][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.897769][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.897773][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.897775][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.897778][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 14.897782][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.897785][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.897790][ T68] dev_vprintk_emit (drivers/base/core.c:5000) [ 14.897795][ T68] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 14.897797][ T68] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 14.897804][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.897808][ T68] dev_printk_emit (drivers/base/core.c:5011) [ 14.897811][ T68] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 14.897813][ T68] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 14.897822][ T68] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 14.897828][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 14.897830][ T68] ? netdev_notice (net/core/dev.c:13194) [ 14.897834][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.897836][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 14.897840][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.897844][ T68] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 14.897851][ T68] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 14.897854][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 14.897856][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 14.897860][ T68] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 14.897864][ T68] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 14.897870][ T68] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 14.897876][ T68] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 14.897879][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.897881][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.897883][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.897886][ T68] ? process_one_work (kernel/workqueue.c:3386) [ 14.897888][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 14.897889][ T68] process_one_work (kernel/workqueue.c:3387) [ 14.897896][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 14.897899][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.897907][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 14.897914][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.897916][ T68] kthread (kernel/kthread.c:436) [ 14.897918][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.897922][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.897925][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 14.897930][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 14.897933][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 14.897936][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.897939][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 15.911586][ T68] softirqs last disabled at (2754): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 15.911589][ T68] Preemption disabled at: | [ 15.911589][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.911599][ T68] Tainted: [W]=WARN [ 15.911600][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.911602][ T68] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 15.911605][ T68] Call Trace: [ 15.911607][ T68] [ 15.911609][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.911615][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.911617][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 15.911622][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.911626][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.911631][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 15.911633][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.911639][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 15.911642][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.911646][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 15.911649][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.911653][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.911657][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.911659][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.911663][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.911666][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.911667][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.911669][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.911673][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.911675][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.911678][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.911680][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.911684][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.911688][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.911692][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.911695][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.911698][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.911703][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.911704][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.911710][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.911712][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.911714][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.911716][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.911720][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.911721][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.911724][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 15.911728][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.911731][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.911736][ T68] dev_vprintk_emit (drivers/base/core.c:5000) [ 15.911741][ T68] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 15.911743][ T68] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 15.911750][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.911754][ T68] dev_printk_emit (drivers/base/core.c:5011) [ 15.911757][ T68] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 15.911759][ T68] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 15.911768][ T68] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 15.911774][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 15.911776][ T68] ? netdev_notice (net/core/dev.c:13194) [ 15.911780][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.911782][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 15.911785][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.911790][ T68] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 15.911797][ T68] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.911799][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 15.911801][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 15.911805][ T68] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 15.911809][ T68] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 15.911815][ T68] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 15.911822][ T68] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 15.911824][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.911826][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.911828][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.911831][ T68] ? process_one_work (kernel/workqueue.c:3386) [ 15.911833][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 15.911834][ T68] process_one_work (kernel/workqueue.c:3387) [ 15.911841][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 15.911844][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.911852][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 15.911859][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 15.911861][ T68] kthread (kernel/kthread.c:436) [ 15.911863][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.911867][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 15.911870][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 15.911874][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 15.911878][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 15.911881][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 15.911883][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 16.970567][ T185] softirqs last disabled at (9112): __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)) | [ 16.970569][ T185] Preemption disabled at: | [ 16.970570][ T185] vprintk_emit (kernel/printk/printk.c:2471) | [ 16.970579][ T185] Tainted: [W]=WARN [ 16.970579][ T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.970581][ T185] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 16.970585][ T185] Call Trace: [ 16.970586][ T185] [ 16.970588][ T185] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.970594][ T185] ? vprintk_emit (kernel/printk/printk.c:2471) [ 16.970596][ T185] __might_resched.cold (kernel/sched/core.c:9234) [ 16.970601][ T185] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.970604][ T185] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.970609][ T185] __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)) [ 16.970612][ T185] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.970617][ T185] ? 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) [ 16.970620][ T185] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.970623][ T185] put_chars (drivers/char/virtio_console.c:1176) [ 16.970626][ T185] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.970630][ T185] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.970634][ T185] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.970636][ T185] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.970640][ T185] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.970643][ T185] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.970644][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.970646][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.970650][ T185] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.970652][ T185] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 16.970655][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.970657][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.970662][ T185] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.970665][ T185] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.970670][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.970672][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.970676][ T185] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.970680][ T185] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.970682][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.970687][ T185] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.970690][ T185] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.970691][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.970694][ T185] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.970697][ T185] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.970699][ T185] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.970702][ T185] vprintk_emit (kernel/printk/printk.c:2479) [ 16.970706][ T185] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.970709][ T185] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.970714][ T185] dev_vprintk_emit (drivers/base/core.c:5000) [ 16.970719][ T185] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 16.970728][ T185] dev_printk_emit (drivers/base/core.c:5011) [ 16.970730][ T185] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 16.970735][ T185] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.970737][ T185] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.970739][ T185] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.970742][ T185] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 16.970748][ T185] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 16.970750][ T185] ? netdev_notice (net/core/dev.c:13194) [ 16.970755][ T185] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.970756][ T185] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 16.970760][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.970764][ T185] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 16.970771][ T185] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 16.970775][ T185] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 16.970777][ T185] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 16.970781][ T185] __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 [ 16.970785][ T185] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 16.970791][ T185] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 16.970797][ T185] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 16.970800][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.970802][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.970804][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.970807][ T185] ? process_one_work (kernel/workqueue.c:3386) [ 16.970809][ T185] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 16.970810][ T185] process_one_work (kernel/workqueue.c:3387) [ 16.970817][ T185] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 16.970820][ T185] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.970828][ T185] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 16.970832][ T185] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.970834][ T185] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 16.970837][ T185] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.970839][ T185] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.970841][ T185] kthread (kernel/kthread.c:436) [ 16.970843][ T185] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.970847][ T185] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.970849][ T185] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.970854][ T185] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.970858][ T185] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.970861][ T185] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.970863][ T185] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 18.450520][ T185] softirqs last disabled at (13510): __fib6_clean_all (./include/linux/spinlock.h:353 (discriminator 32768) net/ipv6/ip6_fib.c:2323 (discriminator 32768)) | [ 18.450522][ T185] Preemption disabled at: | [ 18.450523][ T185] vprintk_emit (kernel/printk/printk.c:2471) | [ 18.450532][ T185] Tainted: [W]=WARN [ 18.450533][ T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.450535][ T185] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 18.450539][ T185] Call Trace: [ 18.450540][ T185] [ 18.450542][ T185] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.450548][ T185] ? vprintk_emit (kernel/printk/printk.c:2471) [ 18.450550][ T185] __might_resched.cold (kernel/sched/core.c:9234) [ 18.450555][ T185] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.450558][ T185] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.450563][ T185] __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)) [ 18.450566][ T185] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.450572][ T185] ? 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) [ 18.450574][ T185] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.450578][ T185] put_chars (drivers/char/virtio_console.c:1176) [ 18.450580][ T185] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.450584][ T185] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.450588][ T185] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.450590][ T185] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.450594][ T185] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.450597][ T185] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.450599][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.450600][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.450604][ T185] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.450606][ T185] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 18.450609][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.450612][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.450616][ T185] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.450619][ T185] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.450624][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.450626][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.450630][ T185] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.450634][ T185] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.450636][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.450641][ T185] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.450644][ T185] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.450646][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.450648][ T185] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.450652][ T185] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.450653][ T185] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.450656][ T185] vprintk_emit (kernel/printk/printk.c:2479) [ 18.450660][ T185] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.450664][ T185] ? update_cfs_rq_load_avg (kernel/sched/fair.c:5687) [ 18.450669][ T185] dev_vprintk_emit (drivers/base/core.c:5000) [ 18.450675][ T185] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 18.450676][ T185] ? update_cfs_rq_load_avg (kernel/sched/fair.c:5687) [ 18.450684][ T185] dev_printk_emit (drivers/base/core.c:5011) [ 18.450687][ T185] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 18.450689][ T185] ? __resched_curr (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:28 ./include/linux/thread_info.h:104 kernel/sched/core.c:1217) [ 18.450692][ T185] ? __trace_set_current_state (./include/linux/srcutree.h:292 (discriminator 3)) [ 18.450694][ T185] ? wakeup_preempt_fair (kernel/sched/fair.c:6515 kernel/sched/fair.c:10016) [ 18.450696][ T185] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 18.450700][ T185] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.450703][ T185] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 18.450709][ T185] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 18.450711][ T185] ? netdev_notice (net/core/dev.c:13194) [ 18.450715][ T185] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.450717][ T185] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 18.450721][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.450725][ T185] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 18.450732][ T185] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 18.450735][ T185] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 18.450737][ T185] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 18.450741][ T185] __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 [ 18.450745][ T185] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 18.450751][ T185] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 18.450758][ T185] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 18.450761][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.450763][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.450764][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.450768][ T185] ? process_one_work (kernel/workqueue.c:3386) [ 18.450769][ T185] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 18.450771][ T185] process_one_work (kernel/workqueue.c:3387) [ 18.450777][ T185] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 18.450780][ T185] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.450788][ T185] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 18.450792][ T185] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.450794][ T185] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 18.450797][ T185] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.450800][ T185] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.450801][ T185] kthread (kernel/kthread.c:436) [ 18.450803][ T185] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.450807][ T185] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.450810][ T185] ret_from_fork (arch/x86/kernel/process.c:158) [ 18.450815][ T185] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 18.450819][ T185] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 18.450821][ T185] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.450824][ T185] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 19.492541][ T68] softirqs last disabled at (4496): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 19.492544][ T68] Preemption disabled at: | [ 19.492545][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.492555][ T68] Tainted: [W]=WARN [ 19.492556][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.492558][ T68] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 19.492563][ T68] Call Trace: [ 19.492564][ T68] [ 19.492566][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.492572][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.492575][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 19.492580][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.492584][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.492590][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 19.492593][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.492600][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 19.492603][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.492607][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 19.492611][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.492615][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.492620][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.492622][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.492627][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.492631][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.492633][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.492634][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.492640][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.492643][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 19.492647][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.492650][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.492655][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.492660][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.492666][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.492669][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.492674][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.492680][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.492682][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.492689][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.492692][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.492694][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.492697][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.492702][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.492703][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.492707][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 19.492712][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.492717][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.492722][ T68] dev_vprintk_emit (drivers/base/core.c:5000) [ 19.492729][ T68] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 19.492731][ T68] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 19.492741][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.492746][ T68] dev_printk_emit (drivers/base/core.c:5011) [ 19.492749][ T68] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 19.492751][ T68] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 19.492763][ T68] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 19.492770][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 19.492772][ T68] ? netdev_notice (net/core/dev.c:13194) [ 19.492778][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.492780][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 19.492785][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.492790][ T68] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 19.492798][ T68] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 19.492801][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 19.492803][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 19.492808][ T68] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 19.492813][ T68] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 19.492821][ T68] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 19.492829][ T68] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 19.492833][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.492835][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.492837][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.492841][ T68] ? process_one_work (kernel/workqueue.c:3386) [ 19.492842][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 19.492844][ T68] process_one_work (kernel/workqueue.c:3387) [ 19.492852][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.492855][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.492865][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.492874][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.492876][ T68] kthread (kernel/kthread.c:436) [ 19.492879][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.492883][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.492886][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.492892][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.492896][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.492899][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.492902][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 20.529733][ T185] softirqs last disabled at (16404): __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)) | [ 20.529735][ T185] Preemption disabled at: | [ 20.529736][ T185] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.529745][ T185] Tainted: [W]=WARN [ 20.529746][ T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.529748][ T185] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 20.529752][ T185] Call Trace: [ 20.529753][ T185] [ 20.529755][ T185] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.529760][ T185] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.529762][ T185] __might_resched.cold (kernel/sched/core.c:9234) [ 20.529767][ T185] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.529771][ T185] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.529776][ T185] __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)) [ 20.529778][ T185] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.529784][ T185] ? 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) [ 20.529786][ T185] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.529790][ T185] put_chars (drivers/char/virtio_console.c:1176) [ 20.529793][ T185] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.529796][ T185] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.529800][ T185] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.529802][ T185] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.529806][ T185] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.529809][ T185] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.529811][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.529812][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.529816][ T185] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.529818][ T185] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 20.529821][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.529824][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.529828][ T185] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.529831][ T185] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.529836][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.529838][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.529842][ T185] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.529846][ T185] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.529848][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.529853][ T185] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.529856][ T185] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.529858][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.529860][ T185] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.529863][ T185] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.529865][ T185] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.529868][ T185] vprintk_emit (kernel/printk/printk.c:2479) [ 20.529872][ T185] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.529875][ T185] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.529880][ T185] dev_vprintk_emit (drivers/base/core.c:5000) [ 20.529885][ T185] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 20.529890][ T185] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.529893][ T185] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 20.529896][ T185] dev_printk_emit (drivers/base/core.c:5011) [ 20.529899][ T185] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 20.529902][ T185] ? neigh_resolve_output.part.0 (./include/linux/netdevice.h:3537 net/core/neighbour.c:1611) [ 20.529906][ T185] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.529909][ T185] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.529910][ T185] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.529913][ T185] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 20.529919][ T185] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 20.529921][ T185] ? netdev_notice (net/core/dev.c:13194) [ 20.529925][ T185] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.529927][ T185] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 20.529931][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.529935][ T185] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 20.529942][ T185] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 20.529946][ T185] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 20.529948][ T185] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 20.529952][ T185] __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 [ 20.529956][ T185] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 20.529962][ T185] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 20.529968][ T185] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 20.529971][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.529973][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.529974][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.529978][ T185] ? process_one_work (kernel/workqueue.c:3386) [ 20.529979][ T185] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 20.529981][ T185] process_one_work (kernel/workqueue.c:3387) [ 20.529987][ T185] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 20.529990][ T185] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.529998][ T185] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 20.530002][ T185] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.530004][ T185] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 20.530007][ T185] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.530010][ T185] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.530011][ T185] kthread (kernel/kthread.c:436) [ 20.530013][ T185] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.530016][ T185] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.530019][ T185] ret_from_fork (arch/x86/kernel/process.c:158) [ 20.530024][ T185] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 20.530028][ T185] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 20.530031][ T185] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.530033][ T185] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 21.569577][ T68] softirqs last disabled at (9950): __fib6_clean_all (./include/linux/spinlock.h:353 (discriminator 32768) net/ipv6/ip6_fib.c:2323 (discriminator 32768)) | [ 21.569580][ T68] Preemption disabled at: | [ 21.569580][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 21.569590][ T68] Tainted: [W]=WARN [ 21.569591][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.569592][ T68] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 21.569596][ T68] Call Trace: [ 21.569598][ T68] [ 21.569599][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.569605][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 21.569607][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 21.569612][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.569616][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.569621][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 21.569624][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.569629][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 21.569632][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.569635][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 21.569638][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.569642][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.569646][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.569649][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.569652][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.569655][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 21.569657][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.569658][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.569662][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.569664][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 21.569668][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.569670][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.569674][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.569678][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.569682][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.569684][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.569688][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.569692][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.569694][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.569699][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.569702][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.569704][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.569706][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.569710][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.569711][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.569714][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 21.569718][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.569721][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.569723][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.569727][ T68] dev_vprintk_emit (drivers/base/core.c:5000) [ 21.569733][ T68] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 21.569735][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.569739][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.569744][ T68] dev_printk_emit (drivers/base/core.c:5011) [ 21.569747][ T68] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 21.569753][ T68] ? 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) [ 21.569757][ T68] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 21.569763][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 21.569765][ T68] ? netdev_notice (net/core/dev.c:13194) [ 21.569769][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.569771][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 21.569775][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.569779][ T68] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 21.569786][ T68] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 21.569789][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 21.569791][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 21.569796][ T68] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:226 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 21.569800][ T68] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 21.569806][ T68] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 21.569812][ T68] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 21.569815][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.569817][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.569818][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.569822][ T68] ? process_one_work (kernel/workqueue.c:3386) [ 21.569823][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 21.569825][ T68] process_one_work (kernel/workqueue.c:3387) [ 21.569832][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 21.569834][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.569842][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 21.569850][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 21.569851][ T68] kthread (kernel/kthread.c:436) [ 21.569854][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.569858][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.569860][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 21.569865][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 21.569869][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 21.569872][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.569874][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 22.832520][ T68] softirqs last disabled at (12526): __fib6_clean_all (./include/linux/spinlock.h:353 (discriminator 32768) net/ipv6/ip6_fib.c:2323 (discriminator 32768)) | [ 22.832522][ T68] Preemption disabled at: | [ 22.832523][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 22.832532][ T68] Tainted: [W]=WARN [ 22.832533][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.832534][ T68] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 22.832538][ T68] Call Trace: [ 22.832539][ T68] [ 22.832541][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.832547][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 22.832549][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 22.832554][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.832557][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 22.832562][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 22.832564][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.832570][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 22.832572][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.832575][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 22.832578][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.832581][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.832586][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.832588][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.832591][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.832594][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 22.832596][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.832597][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.832601][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.832603][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 22.832606][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.832608][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.832612][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.832616][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.832620][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.832622][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.832626][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.832630][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.832632][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.832637][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.832641][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.832642][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.832645][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 22.832648][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.832650][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.832653][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 22.832657][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.832659][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.832660][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.832661][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.832667][ T68] dev_vprintk_emit (drivers/base/core.c:5000) [ 22.832672][ T68] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 22.832677][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.832679][ T68] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.832684][ T68] dev_printk_emit (drivers/base/core.c:5011) [ 22.832686][ T68] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 22.832689][ T68] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 22.832692][ T68] ? fib6_clean_tree (net/ipv6/ip6_fib.c:89 net/ipv6/ip6_fib.c:2230 net/ipv6/ip6_fib.c:2308) [ 22.832694][ T68] ? fib6_clean_tree (net/ipv6/ip6_fib.c:89 net/ipv6/ip6_fib.c:2230 net/ipv6/ip6_fib.c:2308) [ 22.832695][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.832697][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.832699][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.832703][ T68] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 22.832708][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 22.832710][ T68] ? netdev_notice (net/core/dev.c:13194) [ 22.832714][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.832716][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 22.832719][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.832723][ T68] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 22.832729][ T68] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 22.832733][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 22.832735][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 22.832739][ T68] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:226 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 22.832743][ T68] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 22.832749][ T68] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 22.832755][ T68] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 22.832758][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.832759][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.832761][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.832764][ T68] ? process_one_work (kernel/workqueue.c:3386) [ 22.832766][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 22.832767][ T68] process_one_work (kernel/workqueue.c:3387) [ 22.832774][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 22.832776][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.832784][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 22.832791][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.832793][ T68] kthread (kernel/kthread.c:436) [ 22.832795][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 22.832799][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.832802][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 22.832806][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 22.832810][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 22.832813][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.832815][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 27.789168][ T87] softirqs last disabled at (2725656): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 27.789171][ T87] Preemption disabled at: | [ 27.789172][ T87] vprintk_emit (kernel/printk/printk.c:2471) | [ 27.789184][ T87] Tainted: [W]=WARN [ 27.789185][ T87] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.789188][ T87] Call Trace: [ 27.789190][ T87] [ 27.789192][ T87] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.789199][ T87] ? vprintk_emit (kernel/printk/printk.c:2471) [ 27.789202][ T87] __might_resched.cold (kernel/sched/core.c:9234) [ 27.789209][ T87] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.789215][ T87] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 27.789223][ T87] __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)) [ 27.789226][ T87] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.789235][ T87] ? 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) [ 27.789238][ T87] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.789244][ T87] put_chars (drivers/char/virtio_console.c:1176) [ 27.789249][ T87] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.789251][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.789258][ T87] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.789261][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.789270][ T87] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.789273][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.789283][ T87] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.789288][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.789297][ T87] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.789304][ T87] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.789311][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.789315][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.789322][ T87] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.789330][ T87] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.789332][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.789342][ T87] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.789346][ T87] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.789349][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.789352][ T87] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 27.789359][ T87] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.789361][ T87] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.789367][ T87] vprintk_emit (kernel/printk/printk.c:2479) [ 27.789373][ T87] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.789378][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.789387][ T87] dev_vprintk_emit (drivers/base/core.c:5000) [ 27.789395][ T87] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 27.789411][ T87] dev_printk_emit (drivers/base/core.c:5011) [ 27.789415][ T87] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 27.789418][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.789426][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.789430][ T87] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 27.789435][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.789438][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.789445][ T87] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 27.789454][ T87] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 27.789458][ T87] ? netdev_notice (net/core/dev.c:13194) [ 27.789462][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.789468][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.789472][ T87] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 27.789477][ T87] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 27.789485][ T87] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 27.789492][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.789500][ T87] ? 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) [ 27.789505][ T87] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 27.789516][ T87] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 27.789524][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.789534][ T87] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 27.789544][ T87] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 27.789550][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.789555][ T87] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 27.789558][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 27.789560][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.789564][ T87] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.789567][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.789575][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.789582][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.789588][ T87] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 27.789595][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.789598][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.789600][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.789602][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.789605][ T87] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 27.789609][ T87] ? __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) [ 27.789614][ T87] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 27.789616][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.789619][ T87] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 27.789622][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 27.789630][ T87] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 27.789637][ T87] ? nla_get_range_signed (lib/nlattr.c:270) [ 27.789649][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 27.789655][ T87] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 27.789668][ T87] rtnl_setlink (net/core/rtnetlink.c:3596) [ 27.789675][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 27.789677][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.789721][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.789723][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.789728][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.789731][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 27.789734][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.789742][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.789745][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.789749][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 27.789752][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.789759][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 27.789763][ T87] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 27.789769][ T87] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 27.789772][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.789780][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.789782][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.789789][ T87] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 27.789794][ T87] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 27.789800][ T87] ? netlink_ack (./include/linux/skbuff.h:2718) [ 27.789812][ T87] ? 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)) [ 27.789815][ T87] ? 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)) [ 27.789824][ T87] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 27.789831][ T87] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 27.789835][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.789844][ T87] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 27.789851][ T87] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 27.789858][ T87] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 27.789863][ T87] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 27.789869][ T87] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 27.789875][ T87] ? __ia32_sys_getpeername (net/socket.c:2235) [ 27.789902][ T87] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 27.789905][ T87] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 27.789910][ T87] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 27.789914][ T87] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 27.789916][ T87] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 27.789919][ T87] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 27.789923][ T87] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 27.789927][ T87] RIP: 0033:0x7f13aa3b354e [ 27.789933][ T87] 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 [ 27.789935][ T87] RSP: 002b:00007ffd82d28ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 27.789940][ T87] RAX: ffffffffffffffda RBX: 0000556c3adf2f60 RCX: 00007f13aa3b354e [ 27.789942][ T87] RDX: 0000000000000030 RSI: 0000556c3af6d0b0 RDI: 000000000000001e [ 27.789944][ T87] RBP: 00007ffd82d28ae0 R08: 00007ffd82d28b30 R09: 0000000000000080 [ 27.789945][ T87] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556c3af7c160 [ 27.789946][ T87] R13: 00007ffd82d28c14 R14: 0000000000000000 R15: 0000000000000000 | [ 32.372098][ T87] softirqs last disabled at (3288430): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 32.372100][ T87] Preemption disabled at: | [ 32.372101][ T87] vprintk_emit (kernel/printk/printk.c:2471) | [ 32.372110][ T87] Tainted: [W]=WARN [ 32.372111][ T87] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.372113][ T87] Call Trace: [ 32.372114][ T87] [ 32.372116][ T87] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.372121][ T87] ? vprintk_emit (kernel/printk/printk.c:2471) [ 32.372123][ T87] __might_resched.cold (kernel/sched/core.c:9234) [ 32.372128][ T87] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.372132][ T87] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.372137][ T87] __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)) [ 32.372139][ T87] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.372145][ T87] ? 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) [ 32.372148][ T87] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.372151][ T87] put_chars (drivers/char/virtio_console.c:1176) [ 32.372154][ T87] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.372155][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.372160][ T87] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.372162][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.372167][ T87] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.372170][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.372181][ T87] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.372184][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.372189][ T87] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.372193][ T87] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.372197][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.372199][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.372203][ T87] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.372207][ T87] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.372209][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.372214][ T87] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.372217][ T87] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.372218][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.372220][ T87] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.372224][ T87] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.372225][ T87] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.372229][ T87] vprintk_emit (kernel/printk/printk.c:2479) [ 32.372232][ T87] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.372235][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.372240][ T87] dev_vprintk_emit (drivers/base/core.c:5000) [ 32.372246][ T87] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 32.372255][ T87] dev_printk_emit (drivers/base/core.c:5011) [ 32.372257][ T87] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 32.372259][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.372262][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.372264][ T87] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 32.372268][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.372270][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.372274][ T87] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 32.372280][ T87] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.372282][ T87] ? netdev_notice (net/core/dev.c:13194) [ 32.372285][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.372289][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.372291][ T87] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 32.372294][ T87] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 32.372297][ T87] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 32.372300][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.372302][ T87] ? 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) [ 32.372304][ T87] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 32.372308][ T87] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 32.372310][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.372313][ T87] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 32.372319][ T87] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 32.372322][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.372325][ T87] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 32.372327][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.372328][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.372331][ T87] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.372332][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.372336][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.372341][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.372343][ T87] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 32.372346][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.372348][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.372349][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.372351][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.372353][ T87] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 32.372355][ T87] ? __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) [ 32.372359][ T87] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 32.372360][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.372362][ T87] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 32.372364][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.372367][ T87] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 32.372368][ T87] ? nla_get_range_signed (lib/nlattr.c:270) [ 32.372375][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.372377][ T87] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 32.372386][ T87] rtnl_setlink (net/core/rtnetlink.c:3596) [ 32.372389][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 32.372391][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.372414][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.372416][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.372419][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.372420][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.372424][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.372429][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.372430][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.372433][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 32.372435][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.372439][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 32.372441][ T87] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 32.372445][ T87] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 32.372446][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.372451][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.372453][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.372457][ T87] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.372460][ T87] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 32.372463][ T87] ? netlink_ack (./include/linux/skbuff.h:2718) [ 32.372470][ T87] ? 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)) [ 32.372472][ T87] ? 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)) [ 32.372477][ T87] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.372481][ T87] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.372484][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.372488][ T87] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.372493][ T87] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.372496][ T87] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 32.372500][ T87] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 32.372503][ T87] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 32.372507][ T87] ? __ia32_sys_getpeername (net/socket.c:2235) [ 32.372518][ T87] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 32.372524][ T87] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 32.372526][ T87] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.372529][ T87] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 32.372531][ T87] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 32.372533][ T87] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.372534][ T87] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.372537][ T87] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.372539][ T87] RIP: 0033:0x7f13aa3b354e [ 32.372544][ T87] 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 [ 32.372546][ T87] RSP: 002b:00007ffd82d28ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 32.372548][ T87] RAX: ffffffffffffffda RBX: 0000556c3adf2f60 RCX: 00007f13aa3b354e [ 32.372550][ T87] RDX: 0000000000000030 RSI: 0000556c3af81610 RDI: 000000000000001e [ 32.372551][ T87] RBP: 00007ffd82d28ae0 R08: 00007ffd82d28b30 R09: 0000000000000080 [ 32.372552][ T87] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556c3af83360 [ 32.372552][ T87] R13: 00007ffd82d28c14 R14: 0000000000000000 R15: 0000000000000000 | [ 33.405539][ T68] softirqs last disabled at (17108): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 33.405542][ T68] Preemption disabled at: | [ 33.405542][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 33.405552][ T68] Tainted: [W]=WARN [ 33.405553][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.405554][ T68] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 33.405558][ T68] Call Trace: [ 33.405559][ T68] [ 33.405562][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.405568][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 33.405570][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 33.405575][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.405579][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 33.405584][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 33.405586][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.405592][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 33.405594][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.405598][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 33.405601][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.405604][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.405608][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.405610][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 33.405614][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.405617][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 33.405618][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.405620][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.405624][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.405626][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 33.405629][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.405631][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.405635][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.405639][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.405644][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.405647][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.405651][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.405655][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.405657][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.405663][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.405666][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.405667][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.405669][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.405673][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.405675][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.405678][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 33.405682][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.405685][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.405690][ T68] dev_vprintk_emit (drivers/base/core.c:5000) [ 33.405695][ T68] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 33.405697][ T68] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 33.405705][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.405709][ T68] dev_printk_emit (drivers/base/core.c:5011) [ 33.405711][ T68] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 33.405713][ T68] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 33.405723][ T68] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 33.405728][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 33.405731][ T68] ? netdev_notice (net/core/dev.c:13194) [ 33.405735][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.405737][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 33.405740][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.405744][ T68] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 33.405751][ T68] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 33.405754][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 33.405756][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 33.405760][ T68] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 33.405764][ T68] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 33.405770][ T68] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 33.405776][ T68] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 33.405779][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.405781][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.405782][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.405786][ T68] ? process_one_work (kernel/workqueue.c:3386) [ 33.405787][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 33.405789][ T68] process_one_work (kernel/workqueue.c:3387) [ 33.405796][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 33.405798][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.405806][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 33.405813][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 33.405815][ T68] kthread (kernel/kthread.c:436) [ 33.405818][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.405821][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.405824][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 33.405829][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 33.405833][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 33.405836][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.405838][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 34.598288][ T166] softirqs last disabled at (3969420): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464) | [ 34.598290][ T166] Preemption disabled at: | [ 34.598291][ T166] vprintk_emit (kernel/printk/printk.c:2471) | [ 34.598300][ T166] Tainted: [W]=WARN [ 34.598301][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.598303][ T166] Call Trace: [ 34.598304][ T166] [ 34.598306][ T166] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.598312][ T166] ? vprintk_emit (kernel/printk/printk.c:2471) [ 34.598314][ T166] __might_resched.cold (kernel/sched/core.c:9234) [ 34.598320][ T166] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.598324][ 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) [ 34.598328][ 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)) [ 34.598330][ T166] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.598336][ 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) [ 34.598339][ T166] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.598342][ T166] put_chars (drivers/char/virtio_console.c:1176) [ 34.598345][ T166] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 34.598347][ T166] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.598350][ T166] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 34.598356][ T166] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.598363][ T166] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.598365][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.598369][ T166] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.598373][ T166] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.598377][ T166] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.598381][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.598383][ T166] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.598388][ T166] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.598392][ T166] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.598394][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.598399][ T166] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.598402][ T166] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.598403][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.598406][ T166] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 34.598409][ T166] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.598411][ T166] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.598414][ T166] vprintk_emit (kernel/printk/printk.c:2479) [ 34.598418][ T166] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.598421][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.598425][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.598430][ T166] dev_vprintk_emit (drivers/base/core.c:5000) [ 34.598435][ T166] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 34.598440][ 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)) [ 34.598448][ T166] dev_printk_emit (drivers/base/core.c:5011) [ 34.598451][ T166] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 34.598459][ T166] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 34.598465][ T166] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 34.598467][ T166] ? netdev_notice (net/core/dev.c:13194) [ 34.598469][ T166] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.598473][ T166] ? unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518) [ 34.598476][ T166] ? unregister_netdevice_queue (net/core/dev.c:12589 net/core/dev.c:12390 net/core/dev.c:12376) [ 34.598479][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.598484][ T166] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 34.598491][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.598493][ T166] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 34.598497][ 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 [ 34.598501][ T166] ? __mutex_lock (kernel/locking/mutex.c:649 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 34.598509][ T166] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 34.598516][ T166] udp_tunnel_nic_flush (net/ipv4/udp_tunnel_nic.c:691) udp_tunnel [ 34.598523][ T166] udp_tunnel_nic_unregister (net/ipv4/udp_tunnel_nic.c:903) udp_tunnel [ 34.598529][ T166] udp_tunnel_nic_netdevice_event (net/ipv4/udp_tunnel_nic.c:944) udp_tunnel [ 34.598535][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.598537][ T166] notifier_call_chain (kernel/notifier.c:85) [ 34.598544][ T166] unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518) [ 34.598550][ T166] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 34.598552][ T166] ? nsim_destroy (drivers/net/netdevsim/netdev.c:1193) netdevsim [ 34.598556][ T166] ? netdev_run_todo (net/core/dev.c:11776) [ 34.598560][ T166] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 34.598564][ T166] ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1)) [ 34.598566][ T166] unregister_netdevice_queue (net/core/dev.c:12589 net/core/dev.c:12390 net/core/dev.c:12376) [ 34.598569][ T166] ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:134 net/core/dev.c:2188) [ 34.598571][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.598573][ T166] ? unregister_netdevice_many (net/core/dev.c:12589) [ 34.598579][ T166] nsim_destroy (./include/linux/netdevice.h:3487 drivers/net/netdevsim/netdev.c:1198) netdevsim [ 34.598584][ T166] ? kstrtouint (lib/kstrtox.c:236) [ 34.598589][ T166] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1472) netdevsim [ 34.598594][ T166] ? nsim_drv_port_del (drivers/net/netdevsim/dev.c:1776 (discriminator 1)) netdevsim [ 34.598597][ T166] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1781) netdevsim [ 34.598602][ T166] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim [ 34.598606][ 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)) [ 34.598609][ T166] ? del_device_store (./include/linux/list.h:135 (discriminator 2)) netdevsim [ 34.598612][ T166] ? sysfs_file_kobj (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 fs/sysfs/file.c:24) [ 34.598615][ T166] ? sysfs_kf_write (fs/sysfs/file.c:140) [ 34.598618][ T166] kernfs_fop_write_iter (fs/kernfs/file.c:345) [ 34.598620][ T166] ? kernfs_ops (fs/kernfs/file.c:121) [ 34.598623][ T166] new_sync_write (fs/read_write.c:595) [ 34.598626][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.598628][ T166] ? new_sync_read (./include/linux/ioprio.h:41) [ 34.598632][ T166] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.598634][ T166] ? ksys_write (fs/read_write.c:739) [ 34.598641][ T166] vfs_write (fs/read_write.c:687) [ 34.598645][ T166] ksys_write (fs/read_write.c:739) [ 34.598648][ T166] ? __ia32_sys_read (fs/read_write.c:723) [ 34.598650][ 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) [ 34.598653][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.598657][ T166] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 34.598659][ T166] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 34.598662][ T166] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 34.598664][ T166] RIP: 0033:0x7ff0f4a3754e [ 34.598668][ 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 [ 34.598670][ T166] RSP: 002b:00007fff82416e90 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 34.598673][ T166] RAX: ffffffffffffffda RBX: 00007ff0f4bb8580 RCX: 00007ff0f4a3754e [ 34.598674][ T166] RDX: 0000000000000002 RSI: 000056134c6ab260 RDI: 0000000000000001 [ 34.598675][ T166] RBP: 00007fff82416ea0 R08: 0000000000000000 R09: 0000000000000000 [ 34.598676][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 34.598677][ T166] R13: 0000000000000002 R14: 000056134c6ab260 R15: 0000000000000000 | [ 35.920579][ T68] softirqs last disabled at (18366): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 35.920581][ T68] Preemption disabled at: | [ 35.920582][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 35.920591][ T68] Tainted: [W]=WARN [ 35.920592][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.920593][ T68] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 35.920597][ T68] Call Trace: [ 35.920599][ T68] [ 35.920601][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.920606][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 35.920608][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 35.920613][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.920617][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 35.920622][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 35.920624][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.920630][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 35.920632][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.920635][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 35.920638][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.920642][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.920646][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.920648][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.920652][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.920655][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.920657][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.920658][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.920662][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.920664][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 35.920667][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.920669][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.920673][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.920677][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.920681][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.920683][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.920687][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.920692][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.920693][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.920698][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.920701][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.920703][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.920705][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 35.920708][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.920710][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.920713][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 35.920717][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.920720][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.920724][ T68] dev_vprintk_emit (drivers/base/core.c:5000) [ 35.920730][ T68] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 35.920731][ T68] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 35.920741][ T68] dev_printk_emit (drivers/base/core.c:5011) [ 35.920744][ T68] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 35.920750][ T68] ? 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) [ 35.920754][ T68] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 35.920760][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 35.920762][ T68] ? netdev_notice (net/core/dev.c:13194) [ 35.920766][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.920768][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 35.920771][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.920775][ T68] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 35.920782][ T68] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 35.920786][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 35.920788][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 35.920792][ T68] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 35.920795][ T68] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 35.920801][ T68] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 35.920807][ T68] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 35.920810][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.920812][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.920814][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.920817][ T68] ? process_one_work (kernel/workqueue.c:3386) [ 35.920818][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 35.920820][ T68] process_one_work (kernel/workqueue.c:3387) [ 35.920826][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 35.920829][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.920837][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 35.920844][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 35.920846][ T68] kthread (kernel/kthread.c:436) [ 35.920848][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 35.920852][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 35.920854][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 35.920859][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 35.920863][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 35.920865][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 35.920868][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 37.148023][ T166] softirqs last disabled at (4391486): restore_fpregs_from_user (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/signal.c:277 (discriminator 2)) | [ 37.148026][ T166] Preemption disabled at: | [ 37.148026][ T166] vprintk_emit (kernel/printk/printk.c:2471) | [ 37.148036][ T166] Tainted: [W]=WARN [ 37.148037][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.148039][ T166] Call Trace: [ 37.148040][ T166] [ 37.148042][ T166] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.148047][ T166] ? vprintk_emit (kernel/printk/printk.c:2471) [ 37.148049][ T166] __might_resched.cold (kernel/sched/core.c:9234) [ 37.148054][ T166] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.148058][ 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) [ 37.148063][ 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)) [ 37.148065][ T166] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.148071][ 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) [ 37.148073][ T166] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.148077][ T166] put_chars (drivers/char/virtio_console.c:1176) [ 37.148080][ T166] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.148083][ T166] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 37.148089][ T166] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.148091][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.148097][ T166] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.148100][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.148107][ T166] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.148111][ T166] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.148115][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.148118][ T166] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.148122][ T166] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.148126][ T166] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.148128][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.148134][ T166] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.148137][ T166] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.148138][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.148140][ T166] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 37.148144][ T166] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.148146][ T166] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.148149][ T166] vprintk_emit (kernel/printk/printk.c:2479) [ 37.148153][ T166] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.148156][ T166] ? mark_usage (kernel/locking/lockdep.c:4690) [ 37.148158][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.148162][ T166] dev_vprintk_emit (drivers/base/core.c:5000) [ 37.148168][ T166] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 37.148170][ 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) [ 37.148175][ T166] ? __bfs (kernel/locking/lockdep.c:1831 (discriminator 2)) [ 37.148178][ T166] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.148183][ T166] dev_printk_emit (drivers/base/core.c:5011) [ 37.148186][ T166] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 37.148188][ T166] ? __bfs (kernel/locking/lockdep.c:1831 (discriminator 2)) [ 37.148197][ T166] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 37.148209][ T166] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 37.148211][ T166] ? netdev_notice (net/core/dev.c:13194) [ 37.148217][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.148222][ T166] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 37.148230][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.148231][ T166] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 37.148235][ 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 [ 37.148240][ T166] ? __mutex_lock (kernel/locking/mutex.c:649 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 37.148248][ T166] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 37.148251][ T166] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.148253][ T166] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.148257][ T166] udp_tunnel_nic_flush (net/ipv4/udp_tunnel_nic.c:691) udp_tunnel [ 37.148260][ T166] ? packet_notifier (net/packet/af_packet.c:4222 (discriminator 26)) [ 37.148269][ T166] udp_tunnel_nic_netdevice_event (net/ipv4/udp_tunnel_nic.c:961) udp_tunnel [ 37.148275][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.148277][ T166] notifier_call_chain (kernel/notifier.c:85) [ 37.148285][ T166] __dev_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1769) [ 37.148288][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.148291][ T166] ? netif_open (net/core/dev.c:1755) [ 37.148295][ T166] ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2861 net/core/dev.c:12477) [ 37.148299][ T166] netif_close_many (net/core/dev.c:1824) [ 37.148303][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.148305][ T166] ? __dev_close_many (net/core/dev.c:1804) [ 37.148312][ T166] netif_close_many_and_unlock (net/core/dev.c:12411) [ 37.148317][ T166] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 37.148319][ T166] unregister_netdevice_many_notify (net/core/dev.c:12481) [ 37.148321][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.148325][ 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) [ 37.148327][ T166] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 37.148329][ T166] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 37.148330][ T166] ? nsim_destroy (drivers/net/netdevsim/netdev.c:1193) netdevsim [ 37.148335][ T166] ? netdev_run_todo (net/core/dev.c:11776) [ 37.148338][ T166] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 37.148340][ 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) [ 37.148342][ T166] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 37.148346][ T166] ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1)) [ 37.148348][ T166] unregister_netdevice_queue (net/core/dev.c:12589 net/core/dev.c:12390 net/core/dev.c:12376) [ 37.148351][ T166] ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:134 net/core/dev.c:2188) [ 37.148353][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.148356][ T166] ? unregister_netdevice_many (net/core/dev.c:12589) [ 37.148361][ T166] nsim_destroy (./include/linux/netdevice.h:3487 drivers/net/netdevsim/netdev.c:1198) netdevsim [ 37.148366][ T166] ? kstrtouint (lib/kstrtox.c:236) [ 37.148372][ T166] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1472) netdevsim [ 37.148377][ T166] ? nsim_drv_port_del (drivers/net/netdevsim/dev.c:1776 (discriminator 1)) netdevsim [ 37.148381][ T166] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1781) netdevsim [ 37.148386][ T166] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim [ 37.148391][ 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)) [ 37.148393][ T166] ? del_device_store (./include/linux/list.h:135 (discriminator 2)) netdevsim [ 37.148397][ T166] ? sysfs_file_kobj (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 fs/sysfs/file.c:24) [ 37.148399][ T166] ? sysfs_kf_write (fs/sysfs/file.c:140) [ 37.148403][ T166] kernfs_fop_write_iter (fs/kernfs/file.c:345) [ 37.148405][ T166] ? kernfs_ops (fs/kernfs/file.c:121) [ 37.148408][ T166] new_sync_write (fs/read_write.c:595) [ 37.148411][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.148414][ T166] ? new_sync_read (./include/linux/ioprio.h:41) [ 37.148417][ T166] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.148419][ T166] ? ksys_write (fs/read_write.c:739) [ 37.148430][ T166] vfs_write (fs/read_write.c:687) [ 37.148435][ T166] ksys_write (fs/read_write.c:739) [ 37.148438][ T166] ? __ia32_sys_read (fs/read_write.c:723) [ 37.148439][ 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) [ 37.148442][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.148446][ T166] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 37.148449][ T166] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 37.148452][ T166] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.148454][ T166] RIP: 0033:0x7ff0f4a3754e [ 37.148458][ 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 [ 37.148460][ T166] RSP: 002b:00007fff82416e90 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 37.148463][ T166] RAX: ffffffffffffffda RBX: 00007ff0f4bb8580 RCX: 00007ff0f4a3754e [ 37.148464][ T166] RDX: 0000000000000002 RSI: 000056134c6ab260 RDI: 0000000000000001 [ 37.148465][ T166] RBP: 00007fff82416ea0 R08: 0000000000000000 R09: 0000000000000000 [ 37.148466][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 37.148467][ T166] R13: 0000000000000002 R14: 000056134c6ab260 R15: 0000000000000000 | [ 38.158529][ T68] softirqs last disabled at (28932): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 38.158531][ T68] Preemption disabled at: | [ 38.158531][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 38.158541][ T68] Tainted: [W]=WARN [ 38.158542][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.158543][ T68] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 38.158547][ T68] Call Trace: [ 38.158548][ T68] [ 38.158551][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.158557][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 38.158559][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 38.158563][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.158567][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 38.158572][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 38.158575][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.158580][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 38.158583][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.158586][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 38.158589][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.158592][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.158597][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.158599][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.158603][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.158606][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 38.158607][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.158609][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.158613][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.158615][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 38.158618][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.158620][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.158624][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.158628][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.158633][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.158635][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.158639][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.158643][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.158645][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.158650][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.158653][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.158655][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.158657][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 38.158660][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.158662][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.158665][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 38.158669][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.158672][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.158676][ T68] dev_vprintk_emit (drivers/base/core.c:5000) [ 38.158681][ T68] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 38.158686][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.158688][ T68] ? try_to_wake_up (./include/linux/spinlock.h:594 kernel/sched/core.c:4302) [ 38.158690][ T68] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.158696][ T68] dev_printk_emit (drivers/base/core.c:5011) [ 38.158699][ T68] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 38.158702][ T68] ? _raw_spin_unlock_irq_enable (./include/linux/spinlock_api_smp.h:229 (discriminator 1) kernel/locking/spinlock.c:237 (discriminator 1)) [ 38.158705][ T68] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 38.158712][ T68] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 38.158717][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 38.158719][ T68] ? netdev_notice (net/core/dev.c:13194) [ 38.158723][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.158725][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 38.158728][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.158732][ T68] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 38.158739][ T68] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 38.158741][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 38.158743][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 38.158747][ T68] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 38.158751][ T68] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 38.158757][ T68] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 38.158763][ T68] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 38.158766][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.158768][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.158769][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.158773][ T68] ? process_one_work (kernel/workqueue.c:3386) [ 38.158774][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 38.158776][ T68] process_one_work (kernel/workqueue.c:3387) [ 38.158782][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 38.158785][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.158793][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 38.158800][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.158802][ T68] kthread (kernel/kthread.c:436) [ 38.158805][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.158808][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.158811][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 38.158816][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 38.158820][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 38.158822][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.158825][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 39.229522][ T68] softirqs last disabled at (29602): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 39.229524][ T68] Preemption disabled at: | [ 39.229524][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 39.229535][ T68] Tainted: [W]=WARN [ 39.229536][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.229539][ T68] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 39.229543][ T68] Call Trace: [ 39.229544][ T68] [ 39.229547][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.229552][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 39.229554][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 39.229559][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.229563][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 39.229568][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 39.229571][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.229577][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 39.229580][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.229583][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 39.229586][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.229590][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.229596][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.229599][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 39.229604][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.229607][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 39.229609][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.229610][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.229615][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.229617][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 39.229620][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.229623][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.229627][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.229631][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.229635][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.229638][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.229643][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.229650][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.229654][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.229661][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.229664][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.229666][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.229668][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 39.229672][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.229673][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.229677][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 39.229681][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.229684][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.229688][ T68] dev_vprintk_emit (drivers/base/core.c:5000) [ 39.229694][ T68] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 39.229696][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.229704][ T68] dev_printk_emit (drivers/base/core.c:5011) [ 39.229707][ T68] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 39.229714][ T68] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.229719][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.229722][ T68] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 39.229728][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 39.229730][ T68] ? netdev_notice (net/core/dev.c:13194) [ 39.229734][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.229736][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 39.229739][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.229744][ T68] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 39.229750][ T68] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 39.229754][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 39.229756][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 39.229760][ T68] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 39.229765][ T68] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 39.229774][ T68] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 39.229780][ T68] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 39.229783][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.229785][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.229787][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.229790][ T68] ? process_one_work (kernel/workqueue.c:3386) [ 39.229791][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 39.229793][ T68] process_one_work (kernel/workqueue.c:3387) [ 39.229799][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 39.229802][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.229810][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 39.229818][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.229819][ T68] kthread (kernel/kthread.c:436) [ 39.229822][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 39.229826][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.229830][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 39.229836][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 39.229840][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 39.229843][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.229846][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 40.285524][ T185] softirqs last disabled at (53242): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 40.285526][ T185] Preemption disabled at: | [ 40.285527][ T185] vprintk_emit (kernel/printk/printk.c:2471) | [ 40.285536][ T185] Tainted: [W]=WARN [ 40.285537][ T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.285539][ T185] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 40.285543][ T185] Call Trace: [ 40.285544][ T185] [ 40.285546][ T185] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.285552][ T185] ? vprintk_emit (kernel/printk/printk.c:2471) [ 40.285554][ T185] __might_resched.cold (kernel/sched/core.c:9234) [ 40.285559][ T185] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.285564][ T185] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 40.285571][ T185] __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)) [ 40.285573][ T185] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.285579][ T185] ? 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) [ 40.285581][ T185] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.285584][ T185] put_chars (drivers/char/virtio_console.c:1176) [ 40.285587][ T185] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.285591][ T185] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 40.285595][ T185] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 40.285597][ T185] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 40.285601][ T185] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.285604][ T185] ? mark_usage (kernel/locking/lockdep.c:4690) [ 40.285606][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.285607][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.285611][ T185] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.285613][ T185] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 40.285616][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.285618][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.285622][ T185] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.285626][ T185] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.285631][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.285634][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.285641][ T185] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.285645][ T185] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.285647][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.285652][ T185] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.285655][ T185] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.285657][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.285659][ T185] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 40.285663][ T185] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.285664][ T185] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.285668][ T185] vprintk_emit (kernel/printk/printk.c:2479) [ 40.285671][ T185] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.285675][ T185] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.285679][ T185] dev_vprintk_emit (drivers/base/core.c:5000) [ 40.285686][ T185] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 40.285689][ T185] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 40.285697][ T185] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.285701][ T185] dev_printk_emit (drivers/base/core.c:5011) [ 40.285704][ T185] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 40.285705][ T185] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 40.285711][ T185] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 40.285713][ T185] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 40.285715][ T185] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 40.285719][ T185] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 40.285724][ T185] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 40.285727][ T185] ? netdev_notice (net/core/dev.c:13194) [ 40.285731][ T185] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.285733][ T185] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 40.285736][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.285740][ T185] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 40.285747][ T185] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 40.285750][ T185] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 40.285752][ T185] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 40.285758][ T185] __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 [ 40.285763][ T185] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 40.285770][ T185] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 40.285776][ T185] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 40.285779][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.285781][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.285783][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.285786][ T185] ? process_one_work (kernel/workqueue.c:3386) [ 40.285788][ T185] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 40.285789][ T185] process_one_work (kernel/workqueue.c:3387) [ 40.285796][ T185] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 40.285799][ T185] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.285807][ T185] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 40.285811][ T185] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.285813][ T185] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 40.285816][ T185] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.285819][ T185] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.285820][ T185] kthread (kernel/kthread.c:436) [ 40.285822][ T185] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 40.285826][ T185] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.285829][ T185] ret_from_fork (arch/x86/kernel/process.c:158) [ 40.285834][ T185] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 40.285838][ T185] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 40.285840][ T185] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.285843][ T185] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 41.555294][ T87] softirqs last disabled at (5028570): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 41.555297][ T87] Preemption disabled at: | [ 41.555297][ T87] vprintk_emit (kernel/printk/printk.c:2471) | [ 41.555307][ T87] Tainted: [W]=WARN [ 41.555308][ T87] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.555310][ T87] Call Trace: [ 41.555312][ T87] [ 41.555313][ T87] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.555319][ T87] ? vprintk_emit (kernel/printk/printk.c:2471) [ 41.555321][ T87] __might_resched.cold (kernel/sched/core.c:9234) [ 41.555326][ T87] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.555330][ T87] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 41.555335][ T87] __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)) [ 41.555337][ T87] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.555342][ T87] ? 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) [ 41.555345][ T87] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.555348][ T87] put_chars (drivers/char/virtio_console.c:1176) [ 41.555351][ T87] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.555352][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.555357][ T87] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.555359][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.555364][ T87] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.555367][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.555372][ T87] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.555374][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.555379][ T87] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.555383][ T87] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.555388][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.555390][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.555394][ T87] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.555398][ T87] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.555400][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.555405][ T87] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.555407][ T87] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.555409][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.555411][ T87] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 41.555415][ T87] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.555416][ T87] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.555419][ T87] vprintk_emit (kernel/printk/printk.c:2479) [ 41.555425][ T87] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.555428][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.555434][ T87] dev_vprintk_emit (drivers/base/core.c:5000) [ 41.555439][ T87] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 41.555448][ T87] dev_printk_emit (drivers/base/core.c:5011) [ 41.555451][ T87] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 41.555453][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.555456][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.555458][ T87] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 41.555462][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.555464][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.555468][ T87] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 41.555473][ T87] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 41.555475][ T87] ? netdev_notice (net/core/dev.c:13194) [ 41.555478][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.555482][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.555484][ T87] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 41.555487][ T87] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 41.555490][ T87] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 41.555493][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.555495][ T87] ? 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) [ 41.555497][ T87] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 41.555501][ T87] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 41.555503][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.555506][ T87] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 41.555512][ T87] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 41.555515][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.555518][ T87] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 41.555520][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.555521][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.555523][ T87] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.555525][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.555529][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.555534][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.555536][ T87] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 41.555539][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.555541][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.555542][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.555544][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.555546][ T87] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 41.555548][ T87] ? __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) [ 41.555552][ T87] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 41.555553][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.555555][ T87] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 41.555557][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.555560][ T87] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 41.555561][ T87] ? nla_get_range_signed (lib/nlattr.c:270) [ 41.555568][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.555571][ T87] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 41.555579][ T87] rtnl_setlink (net/core/rtnetlink.c:3596) [ 41.555583][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 41.555584][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.555608][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.555609][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.555612][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.555614][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.555616][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.555620][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.555622][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.555624][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 41.555627][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.555630][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 41.555633][ T87] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 41.555636][ T87] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.555638][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.555642][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.555644][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.555648][ T87] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 41.555653][ T87] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.555658][ T87] ? netlink_ack (./include/linux/skbuff.h:2718) [ 41.555667][ T87] ? 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)) [ 41.555669][ T87] ? 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)) [ 41.555674][ T87] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 41.555678][ T87] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 41.555681][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.555683][ T87] ? 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) [ 41.555687][ T87] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 41.555691][ T87] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 41.555695][ T87] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 41.555698][ T87] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 41.555702][ T87] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 41.555706][ T87] ? __ia32_sys_getpeername (net/socket.c:2235) [ 41.555716][ T87] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 41.555723][ T87] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 41.555725][ T87] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 41.555728][ T87] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 41.555730][ T87] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 41.555732][ T87] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 41.555733][ T87] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 41.555736][ T87] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 41.555738][ T87] RIP: 0033:0x7f13aa3b354e [ 41.555743][ T87] 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 [ 41.555745][ T87] RSP: 002b:00007ffd82d28ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 41.555748][ T87] RAX: ffffffffffffffda RBX: 0000556c3adf2f60 RCX: 00007f13aa3b354e [ 41.555749][ T87] RDX: 0000000000000030 RSI: 0000556c3af8e9b0 RDI: 000000000000001e [ 41.555750][ T87] RBP: 00007ffd82d28ae0 R08: 00007ffd82d28b30 R09: 0000000000000080 [ 41.555751][ T87] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556c3af94c60 [ 41.555752][ T87] R13: 00007ffd82d28c14 R14: 0000000000000000 R15: 0000000000000000 | [ 42.646109][ T185] softirqs last disabled at (56522): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 42.646111][ T185] Preemption disabled at: | [ 42.646112][ T185] vprintk_emit (kernel/printk/printk.c:2471) | [ 42.646121][ T185] Tainted: [W]=WARN [ 42.646122][ T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.646124][ T185] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 42.646127][ T185] Call Trace: [ 42.646129][ T185] [ 42.646132][ T185] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.646137][ T185] ? vprintk_emit (kernel/printk/printk.c:2471) [ 42.646139][ T185] __might_resched.cold (kernel/sched/core.c:9234) [ 42.646144][ T185] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.646148][ T185] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 42.646153][ T185] __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)) [ 42.646155][ T185] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.646161][ T185] ? 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) [ 42.646163][ T185] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.646166][ T185] put_chars (drivers/char/virtio_console.c:1176) [ 42.646169][ T185] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.646172][ T185] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.646176][ T185] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.646179][ T185] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 42.646182][ T185] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.646185][ T185] ? mark_usage (kernel/locking/lockdep.c:4690) [ 42.646187][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.646188][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.646192][ T185] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.646194][ T185] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 42.646197][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.646200][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.646204][ T185] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.646207][ T185] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.646212][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.646214][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.646218][ T185] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.646222][ T185] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.646224][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.646229][ T185] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.646232][ T185] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.646241][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.646243][ T185] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 42.646247][ T185] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.646248][ T185] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.646252][ T185] vprintk_emit (kernel/printk/printk.c:2479) [ 42.646256][ T185] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.646259][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.646263][ T185] dev_vprintk_emit (drivers/base/core.c:5000) [ 42.646269][ T185] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 42.646271][ T185] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.646279][ T185] dev_printk_emit (drivers/base/core.c:5011) [ 42.646282][ T185] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 42.646286][ T185] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.646288][ T185] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.646290][ T185] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 42.646294][ T185] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 42.646299][ T185] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 42.646301][ T185] ? netdev_notice (net/core/dev.c:13194) [ 42.646305][ T185] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.646307][ T185] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 42.646311][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.646315][ T185] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 42.646321][ T185] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 42.646325][ T185] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 42.646327][ T185] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 42.646331][ T185] __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 [ 42.646334][ T185] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 42.646340][ T185] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 42.646347][ T185] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 42.646350][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.646352][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.646353][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.646357][ T185] ? process_one_work (kernel/workqueue.c:3386) [ 42.646358][ T185] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 42.646360][ T185] process_one_work (kernel/workqueue.c:3387) [ 42.646366][ T185] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 42.646369][ T185] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.646377][ T185] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 42.646381][ T185] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 42.646383][ T185] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 42.646386][ T185] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 42.646389][ T185] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 42.646391][ T185] kthread (kernel/kthread.c:436) [ 42.646392][ T185] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 42.646396][ T185] ? kthread_affine_preferred (kernel/kthread.c:857) [ 42.646399][ T185] ret_from_fork (arch/x86/kernel/process.c:158) [ 42.646403][ T185] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 42.646407][ T185] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 42.646410][ T185] ? kthread_affine_preferred (kernel/kthread.c:857) [ 42.646413][ T185] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 43.669955][ T166] softirqs last disabled at (5078867): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 43.669958][ T166] Preemption disabled at: | [ 43.669958][ T166] vprintk_emit (kernel/printk/printk.c:2471) | [ 43.669968][ T166] Tainted: [W]=WARN [ 43.669969][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.669971][ T166] Call Trace: [ 43.669972][ T166] [ 43.669974][ T166] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.669979][ T166] ? vprintk_emit (kernel/printk/printk.c:2471) [ 43.669982][ T166] __might_resched.cold (kernel/sched/core.c:9234) [ 43.669986][ T166] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.669990][ 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) [ 43.669994][ 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)) [ 43.669997][ T166] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.670003][ 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) [ 43.670005][ T166] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.670008][ T166] put_chars (drivers/char/virtio_console.c:1176) [ 43.670013][ T166] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.670018][ T166] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 43.670023][ T166] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.670025][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.670030][ T166] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.670033][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.670039][ T166] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.670043][ T166] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.670048][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.670050][ T166] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.670054][ T166] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.670058][ T166] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.670059][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.670065][ T166] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.670069][ T166] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.670071][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.670074][ T166] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.670078][ T166] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.670079][ T166] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.670083][ T166] vprintk_emit (kernel/printk/printk.c:2479) [ 43.670086][ T166] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.670089][ T166] ? __kernel_text_address (kernel/extable.c:79) [ 43.670092][ T166] ? write_profile (profile.c:?) [ 43.670098][ T166] dev_vprintk_emit (drivers/base/core.c:5000) [ 43.670104][ T166] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 43.670108][ T166] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 43.670111][ T166] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 43.670116][ T166] dev_printk_emit (drivers/base/core.c:5011) [ 43.670120][ T166] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 43.670122][ T166] ? save_trace (kernel/locking/lockdep.c:589) [ 43.670127][ T166] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450) [ 43.670133][ T166] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 43.670139][ T166] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 43.670141][ T166] ? netdev_notice (net/core/dev.c:13194) [ 43.670145][ T166] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.670147][ T166] ? __udp_tunnel_nic_reset_ntf (net/ipv4/udp_tunnel_nic.c:550) udp_tunnel [ 43.670151][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.670155][ T166] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 43.670161][ T166] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 43.670166][ T166] ? __udp_tunnel_nic_reset_ntf (net/ipv4/udp_tunnel_nic.c:550) udp_tunnel [ 43.670167][ T166] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 43.670172][ 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 [ 43.670175][ T166] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 43.670182][ T166] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 43.670185][ T166] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.670189][ T166] __udp_tunnel_nic_reset_ntf (net/ipv4/udp_tunnel_nic.c:570) udp_tunnel [ 43.670194][ T166] ? debugfs_file_put (fs/debugfs/file.c:177 (discriminator 3)) [ 43.670204][ T166] nsim_udp_tunnels_info_reset_write (./include/net/udp_tunnel.h:429 drivers/net/netdevsim/udp_tunnels.c:112) netdevsim [ 43.670210][ T166] full_proxy_write (fs/debugfs/file.c:389 (discriminator 7)) [ 43.670214][ T166] vfs_write (fs/read_write.c:685) [ 43.670219][ T166] ksys_write (fs/read_write.c:739) [ 43.670222][ T166] ? __ia32_sys_read (fs/read_write.c:723) [ 43.670224][ 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) [ 43.670226][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.670230][ T166] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 43.670232][ T166] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 43.670236][ T166] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 43.670238][ T166] RIP: 0033:0x7ff0f4a3754e [ 43.670247][ 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 [ 43.670249][ T166] RSP: 002b:00007fff82415a90 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 43.670252][ T166] RAX: ffffffffffffffda RBX: 00007ff0f4bb8580 RCX: 00007ff0f4a3754e [ 43.670254][ T166] RDX: 0000000000000002 RSI: 000056134c6ab260 RDI: 0000000000000001 [ 43.670255][ T166] RBP: 00007fff82415aa0 R08: 0000000000000000 R09: 0000000000000000 [ 43.670256][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 43.670257][ T166] R13: 0000000000000002 R14: 000056134c6ab260 R15: 0000000000000000 | [ 44.851586][ T87] softirqs last disabled at (5732938): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 44.851588][ T87] Preemption disabled at: | [ 44.851589][ T87] vprintk_emit (kernel/printk/printk.c:2471) | [ 44.851601][ T87] Tainted: [W]=WARN [ 44.851602][ T87] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.851604][ T87] Call Trace: [ 44.851606][ T87] [ 44.851608][ T87] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.851614][ T87] ? vprintk_emit (kernel/printk/printk.c:2471) [ 44.851616][ T87] __might_resched.cold (kernel/sched/core.c:9234) [ 44.851621][ T87] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.851625][ T87] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 44.851630][ T87] __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)) [ 44.851632][ T87] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.851637][ T87] ? 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) [ 44.851640][ T87] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.851644][ T87] put_chars (drivers/char/virtio_console.c:1176) [ 44.851648][ T87] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.851651][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.851656][ T87] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.851658][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.851663][ T87] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.851666][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.851671][ T87] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.851673][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.851678][ T87] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.851682][ T87] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.851687][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.851689][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.851695][ T87] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.851701][ T87] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.851703][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.851708][ T87] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.851711][ T87] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.851713][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.851715][ T87] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 44.851718][ T87] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.851720][ T87] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.851723][ T87] vprintk_emit (kernel/printk/printk.c:2479) [ 44.851727][ T87] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.851730][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.851736][ T87] dev_vprintk_emit (drivers/base/core.c:5000) [ 44.851743][ T87] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 44.851754][ T87] dev_printk_emit (drivers/base/core.c:5011) [ 44.851756][ T87] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 44.851758][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.851761][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.851763][ T87] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 44.851767][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.851769][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.851773][ T87] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 44.851779][ T87] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 44.851781][ T87] ? netdev_notice (net/core/dev.c:13194) [ 44.851785][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.851791][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.851794][ T87] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 44.851798][ T87] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 44.851800][ T87] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 44.851803][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.851805][ T87] ? 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) [ 44.851808][ T87] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 44.851811][ T87] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 44.851813][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.851817][ T87] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 44.851823][ T87] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 44.851826][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.851829][ T87] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 44.851831][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 44.851833][ T87] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.851837][ T87] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.851839][ T87] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.851844][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.851849][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.851850][ T87] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 44.851853][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.851856][ T87] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.851857][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.851859][ T87] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.851861][ T87] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 44.851864][ T87] ? __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) [ 44.851867][ T87] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 44.851868][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.851870][ T87] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 44.851872][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 44.851875][ T87] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 44.851877][ T87] ? nla_get_range_signed (lib/nlattr.c:270) [ 44.851886][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 44.851890][ T87] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 44.851898][ T87] rtnl_setlink (net/core/rtnetlink.c:3596) [ 44.851901][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 44.851903][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.851929][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.851932][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.851936][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.851937][ T87] ? mark_usage (kernel/locking/lockdep.c:4690) [ 44.851939][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.851944][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.851946][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.851948][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 44.851950][ T87] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.851954][ T87] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 44.851956][ T87] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 44.851960][ T87] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 44.851962][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.851966][ T87] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.851968][ T87] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.851974][ T87] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 44.851979][ T87] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 44.851982][ T87] ? netlink_ack (./include/linux/skbuff.h:2718) [ 44.851989][ T87] ? 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)) [ 44.851991][ T87] ? 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)) [ 44.851996][ T87] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 44.852001][ T87] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 44.852003][ T87] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.852005][ T87] ? 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) [ 44.852009][ T87] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 44.852013][ T87] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 44.852019][ T87] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 44.852024][ T87] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 44.852028][ T87] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 44.852032][ T87] ? __ia32_sys_getpeername (net/socket.c:2235) [ 44.852043][ T87] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 44.852049][ T87] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 44.852051][ T87] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 44.852055][ T87] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 44.852056][ T87] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 44.852058][ T87] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 44.852060][ T87] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 44.852064][ T87] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 44.852068][ T87] RIP: 0033:0x7f13aa3b354e [ 44.852073][ T87] 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 [ 44.852075][ T87] RSP: 002b:00007ffd82d28ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 44.852078][ T87] RAX: ffffffffffffffda RBX: 0000556c3adf2f60 RCX: 00007f13aa3b354e [ 44.852079][ T87] RDX: 0000000000000030 RSI: 0000556c3af9ed80 RDI: 000000000000001e [ 44.852080][ T87] RBP: 00007ffd82d28ae0 R08: 00007ffd82d28b30 R09: 0000000000000080 [ 44.852081][ T87] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556c3af9fc20 [ 44.852082][ T87] R13: 00007ffd82d28c14 R14: 0000000000000000 R15: 0000000000000000 | [ 46.166248][ T68] softirqs last disabled at (35346): __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)) | [ 46.166250][ T68] Preemption disabled at: | [ 46.166251][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 46.166267][ T68] Tainted: [W]=WARN [ 46.166268][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.166270][ T68] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 46.166273][ T68] Call Trace: [ 46.166276][ T68] [ 46.166278][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.166283][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 46.166285][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 46.166290][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.166294][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 46.166298][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 46.166300][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.166306][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 46.166309][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.166312][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 46.166315][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.166318][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.166322][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.166325][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.166328][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.166331][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 46.166333][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.166334][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.166338][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.166340][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 46.166343][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.166346][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.166350][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.166353][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.166358][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.166360][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.166364][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.166368][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.166370][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.166375][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.166377][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.166379][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.166381][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 46.166385][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.166386][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.166390][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 46.166393][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.166396][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.166401][ T68] dev_vprintk_emit (drivers/base/core.c:5000) [ 46.166407][ T68] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 46.166412][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.166414][ T68] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 46.166417][ T68] dev_printk_emit (drivers/base/core.c:5011) [ 46.166420][ T68] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 46.166427][ T68] ? neigh_resolve_output.part.0 (./include/linux/netdevice.h:3537 net/core/neighbour.c:1611) [ 46.166431][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.166433][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.166435][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.166437][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.166440][ T68] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 46.166446][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 46.166448][ T68] ? netdev_notice (net/core/dev.c:13194) [ 46.166452][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.166454][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 46.166457][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.166461][ T68] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 46.166468][ T68] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 46.166472][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 46.166474][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 46.166478][ T68] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:226 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 46.166482][ T68] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 46.166488][ T68] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 46.166494][ T68] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 46.166497][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.166499][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.166501][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.166504][ T68] ? process_one_work (kernel/workqueue.c:3386) [ 46.166505][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 46.166507][ T68] process_one_work (kernel/workqueue.c:3387) [ 46.166513][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 46.166516][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.166524][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 46.166531][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 46.166533][ T68] kthread (kernel/kthread.c:436) [ 46.166536][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 46.166539][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 46.166542][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 46.166547][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 46.166551][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 46.166553][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 46.166556][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 47.268568][ T68] softirqs last disabled at (38738): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 47.268570][ T68] Preemption disabled at: | [ 47.268571][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 47.268580][ T68] Tainted: [W]=WARN [ 47.268581][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 47.268582][ T68] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 47.268586][ T68] Call Trace: [ 47.268588][ T68] [ 47.268590][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 47.268596][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 47.268598][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 47.268603][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 47.268607][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 47.268612][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 47.268614][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.268620][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 47.268622][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.268625][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 47.268628][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 47.268631][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 47.268636][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 47.268638][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 47.268643][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 47.268646][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 47.268647][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.268649][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.268653][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 47.268655][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 47.268658][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.268660][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.268664][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 47.268668][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 47.268672][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.268675][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.268678][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 47.268683][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 47.268684][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.268690][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 47.268693][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 47.268694][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.268696][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 47.268700][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 47.268702][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 47.268705][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 47.268709][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 47.268712][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 47.268716][ T68] dev_vprintk_emit (drivers/base/core.c:5000) [ 47.268722][ T68] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 47.268724][ T68] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 47.268731][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 47.268735][ T68] dev_printk_emit (drivers/base/core.c:5011) [ 47.268738][ T68] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 47.268740][ T68] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 47.268749][ T68] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 47.268755][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 47.268757][ T68] ? netdev_notice (net/core/dev.c:13194) [ 47.268761][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.268763][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 47.268766][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.268770][ T68] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 47.268777][ T68] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 47.268780][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 47.268782][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 47.268786][ T68] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:224 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 47.268790][ T68] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 47.268796][ T68] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 47.268802][ T68] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 47.268805][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.268807][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.268809][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.268812][ T68] ? process_one_work (kernel/workqueue.c:3386) [ 47.268813][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 47.268815][ T68] process_one_work (kernel/workqueue.c:3387) [ 47.268821][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 47.268824][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.268832][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 47.268839][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 47.268841][ T68] kthread (kernel/kthread.c:436) [ 47.268844][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 47.268847][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 47.268850][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 47.268855][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 47.268859][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 47.268862][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 47.268864][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 48.296946][ T166] softirqs last disabled at (5662876): restore_fpregs_from_user (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/signal.c:277 (discriminator 2)) | [ 48.296949][ T166] Preemption disabled at: | [ 48.296949][ T166] vprintk_emit (kernel/printk/printk.c:2471) | [ 48.296958][ T166] Tainted: [W]=WARN [ 48.296959][ T166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 48.296961][ T166] Call Trace: [ 48.296962][ T166] [ 48.296964][ T166] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 48.296969][ T166] ? vprintk_emit (kernel/printk/printk.c:2471) [ 48.296971][ T166] __might_resched.cold (kernel/sched/core.c:9234) [ 48.296976][ T166] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 48.296980][ 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) [ 48.296984][ 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)) [ 48.296987][ T166] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.296993][ 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) [ 48.296995][ T166] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.296998][ T166] put_chars (drivers/char/virtio_console.c:1176) [ 48.297001][ T166] ? __send_to_port (drivers/char/virtio_console.c:654) [ 48.297003][ T166] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 48.297007][ T166] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 48.297009][ T166] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 48.297014][ T166] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 48.297017][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.297022][ T166] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 48.297025][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.297030][ T166] console_emit_next_record (kernel/printk/printk.c:3183) [ 48.297034][ T166] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 48.297039][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.297041][ T166] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.297045][ T166] console_flush_one_record (kernel/printk/printk.c:3268) [ 48.297049][ T166] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 48.297051][ T166] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.297056][ T166] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 48.297059][ T166] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 48.297061][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.297063][ T166] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 48.297067][ T166] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 48.297068][ T166] ? vprintk_emit (kernel/printk/printk.c:2478) [ 48.297071][ T166] vprintk_emit (kernel/printk/printk.c:2479) [ 48.297075][ T166] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 48.297078][ T166] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 48.297079][ T166] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 48.297085][ T166] dev_vprintk_emit (drivers/base/core.c:5000) [ 48.297091][ T166] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 48.297096][ T166] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 48.297101][ T166] dev_printk_emit (drivers/base/core.c:5011) [ 48.297103][ T166] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 48.297106][ T166] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 48.297110][ T166] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 48.297117][ T166] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 48.297122][ T166] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 48.297125][ T166] ? netdev_notice (net/core/dev.c:13194) [ 48.297129][ T166] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 48.297131][ T166] ? __udp_tunnel_nic_reset_ntf (net/ipv4/udp_tunnel_nic.c:550) udp_tunnel [ 48.297134][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.297138][ T166] nsim_udp_tunnel_set_port.cold (drivers/net/netdevsim/udp_tunnels.c:31 (discriminator 1)) netdevsim [ 48.297145][ T166] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 48.297149][ T166] ? __udp_tunnel_nic_reset_ntf (net/ipv4/udp_tunnel_nic.c:550) udp_tunnel [ 48.297151][ T166] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 48.297155][ 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 [ 48.297159][ T166] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 48.297165][ T166] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 48.297168][ T166] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 48.297173][ T166] __udp_tunnel_nic_reset_ntf (net/ipv4/udp_tunnel_nic.c:570) udp_tunnel [ 48.297178][ T166] ? debugfs_file_put (fs/debugfs/file.c:177 (discriminator 3)) [ 48.297185][ T166] nsim_udp_tunnels_info_reset_write (./include/net/udp_tunnel.h:429 drivers/net/netdevsim/udp_tunnels.c:112) netdevsim [ 48.297191][ T166] full_proxy_write (fs/debugfs/file.c:389 (discriminator 7)) [ 48.297195][ T166] vfs_write (fs/read_write.c:685) [ 48.297200][ T166] ksys_write (fs/read_write.c:739) [ 48.297203][ T166] ? __ia32_sys_read (fs/read_write.c:723) [ 48.297205][ 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) [ 48.297207][ T166] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.297211][ T166] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 48.297214][ T166] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 48.297217][ T166] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 48.297219][ T166] RIP: 0033:0x7ff0f4a3754e [ 48.297223][ 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 [ 48.297225][ T166] RSP: 002b:00007fff82417360 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 48.297228][ T166] RAX: ffffffffffffffda RBX: 00007ff0f4bb8580 RCX: 00007ff0f4a3754e [ 48.297229][ T166] RDX: 0000000000000002 RSI: 000056134c6ab260 RDI: 0000000000000001 [ 48.297230][ T166] RBP: 00007fff82417370 R08: 0000000000000000 R09: 0000000000000000 [ 48.297231][ T166] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 48.297232][ T166] R13: 0000000000000002 R14: 000056134c6ab260 R15: 0000000000000000 | [ 49.400532][ T68] softirqs last disabled at (41122): __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)) | [ 49.400535][ T68] Preemption disabled at: | [ 49.400536][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 49.400546][ T68] Tainted: [W]=WARN [ 49.400547][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.400549][ T68] Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work [udp_tunnel] [ 49.400552][ T68] Call Trace: [ 49.400554][ T68] [ 49.400556][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 49.400562][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 49.400564][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 49.400569][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 49.400573][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 49.400578][ T68] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 49.400580][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.400586][ T68] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 49.400589][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.400592][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 49.400595][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 49.400598][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 49.400602][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 49.400605][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 49.400608][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 49.400611][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 49.400613][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.400614][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.400618][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 49.400620][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 49.400623][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.400626][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.400630][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 49.400634][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 49.400638][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.400641][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.400645][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 49.400649][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 49.400651][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.400656][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 49.400659][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 49.400661][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.400663][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 49.400666][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 49.400668][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 49.400671][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 49.400675][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 49.400678][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 49.400683][ T68] dev_vprintk_emit (drivers/base/core.c:5000) [ 49.400688][ T68] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 49.400690][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 49.400703][ T68] dev_printk_emit (drivers/base/core.c:5011) [ 49.400706][ T68] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 49.400710][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 49.400712][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 49.400715][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 49.400716][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 49.400720][ T68] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 49.400725][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 49.400727][ T68] ? netdev_notice (net/core/dev.c:13194) [ 49.400731][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.400733][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 49.400737][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.400741][ T68] nsim_udp_tunnel_unset_port.cold (drivers/net/netdevsim/udp_tunnels.c:59 (discriminator 1)) netdevsim [ 49.400748][ T68] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 49.400752][ T68] ? udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:741 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 49.400754][ T68] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 49.400758][ T68] __udp_tunnel_nic_device_sync (net/ipv4/udp_tunnel_nic.c:226 net/ipv4/udp_tunnel_nic.c:247 net/ipv4/udp_tunnel_nic.c:290 net/ipv4/udp_tunnel_nic.c:282) udp_tunnel [ 49.400762][ T68] ? rcu_tasks_need_gpcb (kernel/rcu/tasks.h:528 (discriminator 4)) [ 49.400768][ T68] ? __udp_tunnel_nic_dump_write (net/ipv4/udp_tunnel_nic.c:613 (discriminator 3)) udp_tunnel [ 49.400774][ T68] udp_tunnel_nic_device_sync_work (net/ipv4/udp_tunnel_nic.c:742 net/ipv4/udp_tunnel_nic.c:728) udp_tunnel [ 49.400778][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.400779][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.400781][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.400785][ T68] ? process_one_work (kernel/workqueue.c:3386) [ 49.400786][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 49.400788][ T68] process_one_work (kernel/workqueue.c:3387) [ 49.400794][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 49.400797][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.400805][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 49.400812][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.400814][ T68] kthread (kernel/kthread.c:436) [ 49.400817][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 49.400820][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.400823][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 49.400828][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 49.400832][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 49.400835][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) 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 restore_fpregs_from_user: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