====================================== | [ 8.967115][ T180] softirqs last disabled at (26257): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.967117][ T180] Preemption disabled at: | [ 8.967118][ T180] 0x0 | [ 8.967128][ T180] Tainted: [W]=WARN [ 8.967129][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.967130][ T180] Call Trace: [ 8.967132][ T180] [ 8.967133][ T180] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.967139][ T180] __might_resched.cold (kernel/sched/core.c:9234) [ 8.967144][ T180] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.967147][ T180] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.967152][ T180] __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)) [ 8.967155][ T180] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.967161][ T180] ? 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) [ 8.967163][ T180] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.967167][ T180] put_chars (drivers/char/virtio_console.c:1176) [ 8.967170][ T180] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.967172][ T180] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 8.967175][ T180] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 8.967179][ T180] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.967184][ T180] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.967188][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.967190][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.967195][ T180] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.967198][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.967201][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.967205][ T180] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.967208][ T180] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.967212][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.967214][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.967218][ T180] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.967222][ T180] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.967223][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.967229][ T180] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.967231][ T180] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.967232][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.967234][ T180] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.967238][ T180] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.967240][ T180] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.967243][ T180] vprintk_emit (kernel/printk/printk.c:2479) [ 8.967246][ T180] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.967249][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.967253][ T180] _printk (kernel/printk/printk.c:2504) [ 8.967257][ T180] ? snapshot_read.cold (user.c:?) [ 8.967260][ T180] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 8.967262][ T180] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.967265][ T180] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 8.967267][ T180] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.967271][ T180] ? exit_notify (kernel/exit.c:780) [ 8.967273][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.967275][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.967279][ T180] do_group_exit (kernel/exit.c:1151) [ 8.967282][ T180] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.967284][ T180] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.967287][ T180] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.967289][ T180] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.967293][ T180] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.967295][ T180] RIP: 0033:0x7f5e47f801b8 [ 8.967297][ T180] Code: Unable to access opcode bytes at 0x7f5e47f8018e. Code starting with the faulting instruction =========================================== [ 8.967298][ T180] RSP: 002b:00007ffd6d5e12b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.967300][ T180] RAX: ffffffffffffffda RBX: 00007f5e480b0f88 RCX: 00007f5e47f801b8 [ 8.967302][ T180] RDX: 00007f5e47ccafc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.967302][ T180] RBP: 00007ffd6d5e1310 R08: 0000000000000000 R09: 0000000000008010 [ 8.967303][ T180] R10: 00007ffd6d5e10d0 R11: 0000000000000246 R12: 0000000000000001 [ 8.967304][ T180] R13: 0000000000000000 R14: 00007f5e480af680 R15: 00007f5e480b0fa0 | [ 11.090574][ T232] softirqs last disabled at (41306): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 11.090576][ T232] Preemption disabled at: | [ 11.090577][ T232] 0x0 | [ 11.090586][ T232] Tainted: [W]=WARN [ 11.090587][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.090589][ T232] Call Trace: [ 11.090590][ T232] [ 11.090592][ T232] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.090597][ T232] __might_resched.cold (kernel/sched/core.c:9234) [ 11.090602][ T232] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.090606][ T232] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.090611][ T232] __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)) [ 11.090613][ T232] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.090620][ T232] ? 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) [ 11.090622][ T232] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.090625][ T232] put_chars (drivers/char/virtio_console.c:1176) [ 11.090629][ T232] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.090636][ T232] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.090643][ T232] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.090646][ T232] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.090650][ T232] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.090654][ T232] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.090658][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.090661][ T232] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.090665][ T232] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.090669][ T232] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.090674][ T232] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.090677][ T232] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.090678][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.090680][ T232] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.090684][ T232] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.090686][ T232] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.090689][ T232] vprintk_emit (kernel/printk/printk.c:2479) [ 11.090692][ T232] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.090693][ T232] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.090696][ T232] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.090699][ T232] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.090703][ T232] _printk (kernel/printk/printk.c:2504) [ 11.090707][ T232] ? snapshot_read.cold (user.c:?) [ 11.090714][ T232] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 11.090718][ T232] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 11.090722][ T232] br_device_event (net/bridge/br.c:111) [ 11.090724][ T232] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 11.090727][ T232] ? packet_sendmsg_spkt (af_packet.c:?) [ 11.090733][ T232] notifier_call_chain (kernel/notifier.c:85) [ 11.090739][ T232] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 11.090744][ T232] ? netif_change_name (net/core/dev.c:1517) [ 11.090746][ T232] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 11.090749][ T232] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 11.090752][ T232] ? __kernel_text_address (kernel/extable.c:79) [ 11.090754][ T232] ? write_profile (profile.c:?) [ 11.090759][ T232] netif_change_flags (net/core/dev.c:9882) [ 11.090763][ T232] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 11.090767][ T232] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.090769][ T232] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.090771][ T232] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.090773][ T232] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.090776][ T232] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.090778][ T232] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.090780][ T232] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.090783][ T232] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.090785][ T232] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.090787][ T232] ? kasan_save_track (mm/kasan/common.c:78) [ 11.090789][ T232] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.090791][ T232] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 11.090794][ T232] ? ___sys_sendmsg (net/socket.c:2757) [ 11.090799][ T232] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.090801][ T232] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.090804][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.090806][ T232] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.090808][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.090809][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.090811][ T232] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.090813][ T232] ? __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) [ 11.090815][ T232] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.090817][ T232] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.090820][ T232] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.090825][ T232] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.090831][ T232] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.090837][ T232] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.090839][ T232] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.090844][ T232] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.090846][ T232] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.090848][ T232] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.090851][ T232] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.090855][ T232] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.090857][ T232] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.090861][ T232] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.090863][ T232] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.090867][ T232] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.090869][ T232] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.090873][ T232] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.090875][ T232] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.090878][ T232] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.090885][ T232] ? 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)) [ 11.090886][ T232] ? 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)) [ 11.090891][ T232] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.090898][ T232] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.090900][ T232] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.090905][ T232] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.090908][ T232] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.090912][ T232] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.090918][ T232] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 11.090920][ T232] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.090922][ T232] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 11.090923][ T232] ? move_addr_to_kernel (net/socket.c:258) [ 11.090931][ T232] ___sys_sendmsg (net/socket.c:2767) [ 11.090933][ T232] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.090949][ T232] __sys_sendmsg (net/socket.c:2799) [ 11.090952][ T232] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.090958][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.090961][ T232] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.090963][ T232] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.090965][ T232] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.090967][ T232] RIP: 0033:0x7fdfe519a54e [ 11.090970][ T232] 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 [ 11.090971][ T232] RSP: 002b:00007ffe265a7400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.090974][ T232] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdfe519a54e [ 11.090975][ T232] RDX: 0000000000000000 RSI: 00007ffe265a74b0 RDI: 0000000000000005 [ 11.090976][ T232] RBP: 00007ffe265a7410 R08: 0000000000000000 R09: 0000000000000000 [ 11.090977][ T232] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912023 [ 11.090978][ T232] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe265a7b70 | [ 13.241067][ T37] softirqs last disabled at (50892): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 13.241070][ T37] Preemption disabled at: | [ 13.241070][ T37] 0x0 | [ 13.241081][ T37] Tainted: [W]=WARN [ 13.241081][ T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.241083][ T37] Workqueue: events_unbound linkwatch_event [ 13.241087][ T37] Call Trace: [ 13.241088][ T37] [ 13.241090][ T37] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.241096][ T37] __might_resched.cold (kernel/sched/core.c:9234) [ 13.241100][ T37] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.241104][ T37] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.241109][ T37] __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)) [ 13.241112][ T37] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.241118][ T37] ? 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) [ 13.241120][ T37] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.241123][ T37] put_chars (drivers/char/virtio_console.c:1176) [ 13.241127][ T37] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.241130][ T37] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.241136][ T37] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.241144][ T37] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.241147][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.241150][ T37] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.241155][ T37] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.241158][ T37] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.241162][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.241164][ T37] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.241168][ T37] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.241172][ T37] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.241174][ T37] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.241179][ T37] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.241182][ T37] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.241183][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.241185][ T37] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.241189][ T37] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.241191][ T37] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.241194][ T37] vprintk_emit (kernel/printk/printk.c:2479) [ 13.241197][ T37] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.241199][ T37] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.241202][ T37] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.241207][ T37] _printk (kernel/printk/printk.c:2504) [ 13.241210][ T37] ? snapshot_read.cold (user.c:?) [ 13.241216][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.241220][ T37] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 13.241224][ T37] br_init_port (net/bridge/br_stp_if.c:39) [ 13.241227][ T37] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 13.241229][ T37] br_port_carrier_check (net/bridge/br_if.c:90) [ 13.241233][ T37] br_device_event (net/bridge/br.c:101) [ 13.241236][ T37] ? packet_sendmsg_spkt (af_packet.c:?) [ 13.241238][ T37] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 13.241245][ T37] notifier_call_chain (kernel/notifier.c:85) [ 13.241251][ T37] netif_state_change (net/core/dev.c:1625) [ 13.241255][ T37] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.241260][ T37] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 13.241262][ T37] __linkwatch_run_queue (net/core/link_watch.c:240) [ 13.241266][ T37] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.241269][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.241273][ T37] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 13.241276][ T37] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 13.241280][ T37] process_one_work (kernel/workqueue.c:3387) [ 13.241286][ T37] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 13.241288][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.241296][ T37] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.241303][ T37] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.241304][ T37] kthread (kernel/kthread.c:436) [ 13.241307][ T37] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.241310][ T37] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.241313][ T37] ret_from_fork (arch/x86/kernel/process.c:158) [ 13.241318][ T37] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 13.241321][ T37] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 13.241324][ T37] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.241327][ T37] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 14.490996][ T240] softirqs last disabled at (44894): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 14.490998][ T240] Preemption disabled at: | [ 14.490999][ T240] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.491007][ T240] Tainted: [W]=WARN [ 14.491008][ T240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.491010][ T240] Call Trace: [ 14.491011][ T240] [ 14.491013][ T240] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.491018][ T240] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.491020][ T240] __might_resched.cold (kernel/sched/core.c:9234) [ 14.491024][ T240] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.491028][ T240] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.491033][ T240] __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)) [ 14.491035][ T240] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.491042][ T240] ? 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) [ 14.491044][ T240] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.491047][ T240] put_chars (drivers/char/virtio_console.c:1176) [ 14.491051][ T240] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.491054][ T240] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.491058][ T240] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.491061][ T240] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.491065][ T240] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.491069][ T240] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.491071][ T240] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.491073][ T240] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.491077][ T240] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.491080][ T240] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.491083][ T240] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.491085][ T240] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.491089][ T240] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.491092][ T240] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.491096][ T240] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.491098][ T240] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.491102][ T240] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.491105][ T240] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.491107][ T240] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.491112][ T240] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.491115][ T240] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.491116][ T240] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.491118][ T240] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.491121][ T240] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.491123][ T240] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.491126][ T240] vprintk_emit (kernel/printk/printk.c:2479) [ 14.491130][ T240] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.491131][ T240] ? packet_sendmsg_spkt (af_packet.c:?) [ 14.491138][ T240] _printk (kernel/printk/printk.c:2504) [ 14.491141][ T240] ? snapshot_read.cold (user.c:?) [ 14.491145][ T240] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 14.491148][ T240] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 14.491152][ T240] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 14.491154][ T240] ? netdev_notice (net/core/dev.c:13194) [ 14.491158][ T240] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 14.491161][ T240] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 14.491166][ T240] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 14.491169][ T240] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 14.491174][ T240] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 14.491178][ T240] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 14.491180][ T240] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.491183][ T240] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.491190][ T240] ? packet_sendmsg_spkt (af_packet.c:?) [ 14.491194][ T240] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 14.491195][ T240] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 14.491198][ T240] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 14.491203][ T240] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 14.491209][ T240] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 14.491211][ T240] ? 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) [ 14.491213][ T240] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 14.491214][ T240] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 14.491221][ T240] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 14.491223][ T240] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.491225][ T240] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.491227][ T240] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.491229][ T240] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 14.491251][ T240] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.491253][ T240] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.491256][ T240] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.491258][ T240] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.491260][ T240] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.491265][ T240] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.491267][ T240] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.491269][ T240] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 14.491271][ T240] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.491275][ T240] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 14.491278][ T240] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.491281][ T240] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.491283][ T240] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.491288][ T240] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.491290][ T240] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.491293][ T240] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.491297][ T240] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.491300][ T240] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.491306][ T240] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 14.491307][ T240] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 14.491312][ T240] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.491315][ T240] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.491318][ T240] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.491322][ T240] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.491326][ T240] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.491330][ T240] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.491336][ T240] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 14.491339][ T240] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.491341][ T240] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 14.491343][ T240] ? move_addr_to_kernel (net/socket.c:258) [ 14.491350][ T240] ___sys_sendmsg (net/socket.c:2767) [ 14.491352][ T240] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.491368][ T240] __sys_sendmsg (net/socket.c:2799) [ 14.491370][ T240] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.491376][ T240] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.491379][ T240] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.491382][ T240] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.491385][ T240] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.491387][ T240] RIP: 0033:0x7fbdcde0554e [ 14.491391][ T240] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 14.491392][ T240] RSP: 002b:00007ffd27dbf560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.491395][ T240] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fbdcde0554e [ 14.491397][ T240] RDX: 0000000000000000 RSI: 00007ffd27dbf610 RDI: 0000000000000005 [ 14.491397][ T240] RBP: 00007ffd27dbf570 R08: 0000000000000000 R09: 0000000000000000 [ 14.491398][ T240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912026 [ 14.491399][ T240] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd27dbfcd0 | [ 16.334310][ T254] softirqs last disabled at (39032): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 16.334313][ T254] Preemption disabled at: | [ 16.334313][ T254] 0x0 | [ 16.334323][ T254] Tainted: [W]=WARN [ 16.334324][ T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.334325][ T254] Call Trace: [ 16.334327][ T254] [ 16.334328][ T254] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.334334][ T254] __might_resched.cold (kernel/sched/core.c:9234) [ 16.334339][ T254] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.334342][ T254] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.334348][ T254] __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)) [ 16.334351][ T254] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.334357][ T254] ? 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) [ 16.334359][ T254] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.334363][ T254] put_chars (drivers/char/virtio_console.c:1176) [ 16.334365][ T254] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 16.334368][ T254] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.334375][ T254] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.334382][ T254] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.334385][ T254] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.334390][ T254] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.334394][ T254] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.334398][ T254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.334401][ T254] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.334405][ T254] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.334409][ T254] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.334411][ T254] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.334417][ T254] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.334419][ T254] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.334420][ T254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.334422][ T254] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.334426][ T254] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.334428][ T254] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.334431][ T254] vprintk_emit (kernel/printk/printk.c:2479) [ 16.334435][ T254] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.334436][ T254] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.334439][ T254] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.334441][ T254] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.334446][ T254] _printk (kernel/printk/printk.c:2504) [ 16.334449][ T254] ? snapshot_read.cold (user.c:?) [ 16.334457][ T254] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 16.334461][ T254] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 16.334465][ T254] br_device_event (net/bridge/br.c:111) [ 16.334467][ T254] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 16.334471][ T254] ? packet_sendmsg_spkt (af_packet.c:?) [ 16.334478][ T254] notifier_call_chain (kernel/notifier.c:85) [ 16.334484][ T254] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 16.334489][ T254] ? netif_change_name (net/core/dev.c:1517) [ 16.334491][ T254] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 16.334494][ T254] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 16.334497][ T254] ? __kernel_text_address (kernel/extable.c:79) [ 16.334499][ T254] ? write_profile (profile.c:?) [ 16.334504][ T254] netif_change_flags (net/core/dev.c:9882) [ 16.334508][ T254] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 16.334512][ T254] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 16.334514][ T254] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 16.334516][ T254] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 16.334518][ T254] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 16.334521][ T254] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.334523][ T254] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.334525][ T254] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.334528][ T254] ? kasan_save_stack (mm/kasan/common.c:58) [ 16.334531][ T254] ? kasan_save_stack (mm/kasan/common.c:57) [ 16.334532][ T254] ? kasan_save_track (mm/kasan/common.c:78) [ 16.334534][ T254] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.334536][ T254] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 16.334539][ T254] ? ___sys_sendmsg (net/socket.c:2757) [ 16.334544][ T254] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.334546][ T254] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.334549][ T254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.334551][ T254] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.334552][ T254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.334554][ T254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.334556][ T254] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 16.334558][ T254] ? __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) [ 16.334560][ T254] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 16.334562][ T254] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.334566][ T254] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 16.334571][ T254] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 16.334576][ T254] rtnl_newlink (net/core/rtnetlink.c:4215) [ 16.334582][ T254] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.334584][ T254] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.334589][ T254] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.334591][ T254] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.334594][ T254] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.334596][ T254] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.334600][ T254] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.334603][ T254] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 16.334606][ T254] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.334608][ T254] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.334613][ T254] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.334615][ T254] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.334619][ T254] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 16.334621][ T254] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.334624][ T254] ? netlink_ack (./include/linux/skbuff.h:2718) [ 16.334630][ T254] ? 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)) [ 16.334632][ T254] ? 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)) [ 16.334636][ T254] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 16.334640][ T254] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 16.334643][ T254] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.334647][ T254] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 16.334651][ T254] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 16.334655][ T254] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 16.334660][ T254] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 16.334662][ T254] ? copy_msghdr_from_user (net/socket.c:2650) [ 16.334664][ T254] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 16.334666][ T254] ? move_addr_to_kernel (net/socket.c:258) [ 16.334673][ T254] ___sys_sendmsg (net/socket.c:2767) [ 16.334676][ T254] ? copy_msghdr_from_user (net/socket.c:2619) [ 16.334691][ T254] __sys_sendmsg (net/socket.c:2799) [ 16.334694][ T254] ? __sys_sendmsg_sock (net/socket.c:2780) [ 16.334700][ T254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.334703][ T254] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.334705][ T254] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.334708][ T254] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.334710][ T254] RIP: 0033:0x7febb6d7d54e [ 16.334713][ T254] 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 [ 16.334714][ T254] RSP: 002b:00007ffe50bedb90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 16.334717][ T254] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007febb6d7d54e [ 16.334718][ T254] RDX: 0000000000000000 RSI: 00007ffe50bedc40 RDI: 0000000000000005 [ 16.334719][ T254] RBP: 00007ffe50bedba0 R08: 0000000000000000 R09: 0000000000000000 [ 16.334720][ T254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912028 [ 16.334721][ T254] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe50bee300 | [ 18.436930][ T46] softirqs last disabled at (77326): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 18.436933][ T46] Preemption disabled at: | [ 18.436934][ T46] 0x0 | [ 18.436948][ T46] Tainted: [W]=WARN [ 18.436949][ T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.436950][ T46] Workqueue: events_unbound linkwatch_event [ 18.436954][ T46] Call Trace: [ 18.436956][ T46] [ 18.436957][ T46] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.436963][ T46] __might_resched.cold (kernel/sched/core.c:9234) [ 18.436967][ T46] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.436971][ T46] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.436976][ T46] __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)) [ 18.436979][ T46] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.436985][ T46] ? 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) [ 18.436987][ T46] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.436991][ T46] put_chars (drivers/char/virtio_console.c:1176) [ 18.436995][ T46] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.436998][ T46] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.437004][ T46] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.437011][ T46] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.437014][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.437018][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.437022][ T46] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.437026][ T46] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.437030][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.437032][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.437036][ T46] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.437040][ T46] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.437041][ T46] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.437047][ T46] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.437050][ T46] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.437051][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.437053][ T46] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.437057][ T46] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.437059][ T46] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.437062][ T46] vprintk_emit (kernel/printk/printk.c:2479) [ 18.437065][ T46] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.437067][ T46] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.437070][ T46] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.437075][ T46] _printk (kernel/printk/printk.c:2504) [ 18.437078][ T46] ? snapshot_read.cold (user.c:?) [ 18.437084][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.437088][ T46] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 18.437092][ T46] br_init_port (net/bridge/br_stp_if.c:39) [ 18.437095][ T46] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 18.437096][ T46] br_port_carrier_check (net/bridge/br_if.c:90) [ 18.437101][ T46] br_device_event (net/bridge/br.c:101) [ 18.437104][ T46] ? packet_sendmsg_spkt (af_packet.c:?) [ 18.437106][ T46] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 18.437112][ T46] notifier_call_chain (kernel/notifier.c:85) [ 18.437118][ T46] netif_state_change (net/core/dev.c:1625) [ 18.437123][ T46] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 18.437127][ T46] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 18.437130][ T46] __linkwatch_run_queue (net/core/link_watch.c:240) [ 18.437133][ T46] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 18.437136][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.437141][ T46] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 18.437144][ T46] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 18.437148][ T46] process_one_work (kernel/workqueue.c:3387) [ 18.437154][ T46] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 18.437156][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.437164][ T46] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 18.437171][ T46] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.437172][ T46] kthread (kernel/kthread.c:436) [ 18.437175][ T46] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.437178][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.437181][ T46] ret_from_fork (arch/x86/kernel/process.c:158) [ 18.437186][ T46] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 18.437189][ T46] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 18.437193][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.437196][ T46] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 19.667101][ T262] softirqs last disabled at (47292): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 19.667103][ T262] Preemption disabled at: | [ 19.667104][ T262] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.667113][ T262] Tainted: [W]=WARN [ 19.667114][ T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.667115][ T262] Call Trace: [ 19.667117][ T262] [ 19.667118][ T262] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.667123][ T262] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.667125][ T262] __might_resched.cold (kernel/sched/core.c:9234) [ 19.667129][ T262] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.667133][ T262] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.667138][ T262] __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)) [ 19.667140][ T262] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.667146][ T262] ? 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) [ 19.667148][ T262] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.667151][ T262] put_chars (drivers/char/virtio_console.c:1176) [ 19.667155][ T262] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.667158][ T262] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.667162][ T262] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.667165][ T262] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.667169][ T262] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.667173][ T262] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.667175][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.667177][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.667181][ T262] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.667183][ T262] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 19.667186][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.667188][ T262] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.667192][ T262] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.667195][ T262] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.667199][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.667201][ T262] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.667205][ T262] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.667209][ T262] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.667210][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.667216][ T262] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.667218][ T262] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.667219][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.667221][ T262] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.667225][ T262] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.667227][ T262] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.667230][ T262] vprintk_emit (kernel/printk/printk.c:2479) [ 19.667233][ T262] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.667234][ T262] ? packet_sendmsg_spkt (af_packet.c:?) [ 19.667241][ T262] _printk (kernel/printk/printk.c:2504) [ 19.667244][ T262] ? snapshot_read.cold (user.c:?) [ 19.667248][ T262] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 19.667251][ T262] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 19.667255][ T262] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 19.667257][ T262] ? netdev_notice (net/core/dev.c:13194) [ 19.667261][ T262] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 19.667264][ T262] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 19.667268][ T262] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 19.667272][ T262] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 19.667277][ T262] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 19.667280][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 19.667282][ T262] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.667285][ T262] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.667292][ T262] ? packet_sendmsg_spkt (af_packet.c:?) [ 19.667296][ T262] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 19.667298][ T262] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 19.667301][ T262] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 19.667305][ T262] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 19.667311][ T262] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 19.667312][ T262] ? 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) [ 19.667314][ T262] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 19.667316][ T262] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 19.667323][ T262] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 19.667325][ T262] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.667327][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.667329][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.667331][ T262] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 19.667352][ T262] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.667354][ T262] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.667357][ T262] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.667359][ T262] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.667362][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.667366][ T262] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.667369][ T262] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.667371][ T262] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 19.667373][ T262] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.667377][ T262] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 19.667379][ T262] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 19.667383][ T262] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 19.667385][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.667389][ T262] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.667391][ T262] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.667395][ T262] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 19.667398][ T262] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 19.667401][ T262] ? netlink_ack (./include/linux/skbuff.h:2718) [ 19.667407][ T262] ? 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)) [ 19.667409][ T262] ? 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)) [ 19.667413][ T262] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 19.667417][ T262] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 19.667419][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.667424][ T262] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 19.667427][ T262] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.667431][ T262] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 19.667437][ T262] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 19.667440][ T262] ? copy_msghdr_from_user (net/socket.c:2650) [ 19.667442][ T262] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 19.667443][ T262] ? move_addr_to_kernel (net/socket.c:258) [ 19.667450][ T262] ___sys_sendmsg (net/socket.c:2767) [ 19.667452][ T262] ? copy_msghdr_from_user (net/socket.c:2619) [ 19.667467][ T262] __sys_sendmsg (net/socket.c:2799) [ 19.667470][ T262] ? __sys_sendmsg_sock (net/socket.c:2780) [ 19.667476][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.667481][ T262] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.667484][ T262] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.667487][ T262] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.667489][ T262] RIP: 0033:0x7fd625c1d54e [ 19.667493][ T262] 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 [ 19.667494][ T262] RSP: 002b:00007ffc9f464d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 19.667497][ T262] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd625c1d54e [ 19.667499][ T262] RDX: 0000000000000000 RSI: 00007ffc9f464dd0 RDI: 0000000000000005 [ 19.667499][ T262] RBP: 00007ffc9f464d30 R08: 0000000000000000 R09: 0000000000000000 [ 19.667500][ T262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91202c [ 19.667501][ T262] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9f465490 | [ 21.396205][ T276] softirqs last disabled at (44968): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 21.396207][ T276] Preemption disabled at: | [ 21.396208][ T276] 0x0 | [ 21.396218][ T276] Tainted: [W]=WARN [ 21.396219][ T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.396221][ T276] Call Trace: [ 21.396222][ T276] [ 21.396224][ T276] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.396229][ T276] __might_resched.cold (kernel/sched/core.c:9234) [ 21.396234][ T276] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.396238][ T276] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.396243][ T276] __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)) [ 21.396246][ T276] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.396252][ T276] ? 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) [ 21.396254][ T276] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.396258][ T276] put_chars (drivers/char/virtio_console.c:1176) [ 21.396260][ T276] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 21.396263][ T276] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.396270][ T276] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.396277][ T276] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.396280][ T276] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.396285][ T276] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.396288][ T276] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.396293][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.396296][ T276] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.396300][ T276] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.396304][ T276] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.396305][ T276] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.396311][ T276] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.396313][ T276] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.396315][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.396317][ T276] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.396321][ T276] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.396323][ T276] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.396325][ T276] vprintk_emit (kernel/printk/printk.c:2479) [ 21.396329][ T276] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.396330][ T276] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 21.396333][ T276] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.396335][ T276] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.396340][ T276] _printk (kernel/printk/printk.c:2504) [ 21.396343][ T276] ? snapshot_read.cold (user.c:?) [ 21.396350][ T276] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 21.396354][ T276] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 21.396358][ T276] br_device_event (net/bridge/br.c:111) [ 21.396361][ T276] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 21.396364][ T276] ? packet_sendmsg_spkt (af_packet.c:?) [ 21.396370][ T276] notifier_call_chain (kernel/notifier.c:85) [ 21.396376][ T276] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 21.396381][ T276] ? netif_change_name (net/core/dev.c:1517) [ 21.396383][ T276] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 21.396386][ T276] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 21.396389][ T276] ? __kernel_text_address (kernel/extable.c:79) [ 21.396391][ T276] ? write_profile (profile.c:?) [ 21.396396][ T276] netif_change_flags (net/core/dev.c:9882) [ 21.396400][ T276] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 21.396404][ T276] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 21.396406][ T276] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 21.396408][ T276] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 21.396410][ T276] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 21.396413][ T276] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.396415][ T276] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.396417][ T276] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.396420][ T276] ? kasan_save_stack (mm/kasan/common.c:58) [ 21.396422][ T276] ? kasan_save_stack (mm/kasan/common.c:57) [ 21.396423][ T276] ? kasan_save_track (mm/kasan/common.c:78) [ 21.396425][ T276] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.396427][ T276] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 21.396430][ T276] ? ___sys_sendmsg (net/socket.c:2757) [ 21.396435][ T276] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.396438][ T276] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 21.396441][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.396443][ T276] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.396444][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.396446][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.396447][ T276] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 21.396450][ T276] ? __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) [ 21.396452][ T276] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 21.396454][ T276] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 21.396457][ T276] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 21.396462][ T276] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 21.396468][ T276] rtnl_newlink (net/core/rtnetlink.c:4215) [ 21.396474][ T276] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.396478][ T276] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.396483][ T276] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.396485][ T276] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.396487][ T276] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.396489][ T276] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.396493][ T276] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.396496][ T276] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 21.396499][ T276] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.396501][ T276] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.396506][ T276] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.396508][ T276] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.396512][ T276] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 21.396514][ T276] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.396517][ T276] ? netlink_ack (./include/linux/skbuff.h:2718) [ 21.396523][ T276] ? 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)) [ 21.396525][ T276] ? 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)) [ 21.396529][ T276] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 21.396533][ T276] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 21.396535][ T276] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.396540][ T276] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 21.396543][ T276] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 21.396547][ T276] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 21.396553][ T276] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 21.396555][ T276] ? copy_msghdr_from_user (net/socket.c:2650) [ 21.396557][ T276] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 21.396559][ T276] ? move_addr_to_kernel (net/socket.c:258) [ 21.396566][ T276] ___sys_sendmsg (net/socket.c:2767) [ 21.396568][ T276] ? copy_msghdr_from_user (net/socket.c:2619) [ 21.396584][ T276] __sys_sendmsg (net/socket.c:2799) [ 21.396586][ T276] ? __sys_sendmsg_sock (net/socket.c:2780) [ 21.396592][ T276] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.396596][ T276] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.396597][ T276] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.396601][ T276] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.396603][ T276] RIP: 0033:0x7f66f8d5654e [ 21.396605][ T276] 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 [ 21.396607][ T276] RSP: 002b:00007ffdedd98620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 21.396610][ T276] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f66f8d5654e [ 21.396611][ T276] RDX: 0000000000000000 RSI: 00007ffdedd986d0 RDI: 0000000000000005 [ 21.396612][ T276] RBP: 00007ffdedd98630 R08: 0000000000000000 R09: 0000000000000000 [ 21.396613][ T276] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91202d [ 21.396614][ T276] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdedd98d90 | [ 23.503066][ T37] softirqs last disabled at (59326): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 23.503068][ T37] Preemption disabled at: | [ 23.503069][ T37] 0x0 | [ 23.503080][ T37] Tainted: [W]=WARN [ 23.503081][ T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.503082][ T37] Workqueue: events_unbound linkwatch_event [ 23.503086][ T37] Call Trace: [ 23.503087][ T37] [ 23.503089][ T37] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.503095][ T37] __might_resched.cold (kernel/sched/core.c:9234) [ 23.503100][ T37] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.503103][ T37] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 23.503109][ T37] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 23.503111][ T37] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.503118][ T37] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 23.503120][ T37] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.503124][ T37] put_chars (drivers/char/virtio_console.c:1176) [ 23.503127][ T37] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.503131][ T37] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 23.503136][ T37] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.503144][ T37] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.503147][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.503150][ T37] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.503155][ T37] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.503158][ T37] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.503162][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.503164][ T37] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.503169][ T37] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.503172][ T37] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.503174][ T37] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.503179][ T37] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.503182][ T37] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.503183][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.503185][ T37] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 23.503189][ T37] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.503191][ T37] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.503194][ T37] vprintk_emit (kernel/printk/printk.c:2479) [ 23.503198][ T37] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.503200][ T37] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.503202][ T37] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.503207][ T37] _printk (kernel/printk/printk.c:2504) [ 23.503211][ T37] ? snapshot_read.cold (user.c:?) [ 23.503216][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.503220][ T37] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 23.503224][ T37] br_init_port (net/bridge/br_stp_if.c:39) [ 23.503227][ T37] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 23.503229][ T37] br_port_carrier_check (net/bridge/br_if.c:90) [ 23.503233][ T37] br_device_event (net/bridge/br.c:101) [ 23.503236][ T37] ? packet_sendmsg_spkt (af_packet.c:?) [ 23.503237][ T37] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 23.503244][ T37] notifier_call_chain (kernel/notifier.c:85) [ 23.503251][ T37] netif_state_change (net/core/dev.c:1625) [ 23.503255][ T37] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 23.503260][ T37] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 23.503262][ T37] __linkwatch_run_queue (net/core/link_watch.c:240) [ 23.503266][ T37] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 23.503269][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.503273][ T37] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 23.503276][ T37] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 23.503280][ T37] process_one_work (kernel/workqueue.c:3387) [ 23.503286][ T37] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 23.503288][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.503296][ T37] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 23.503303][ T37] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.503304][ T37] kthread (kernel/kthread.c:436) [ 23.503307][ T37] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 23.503310][ T37] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.503313][ T37] ret_from_fork (arch/x86/kernel/process.c:158) [ 23.503318][ T37] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 23.503321][ T37] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 23.503325][ T37] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.503328][ T37] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 24.824023][ T284] softirqs last disabled at (37036): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 24.824025][ T284] Preemption disabled at: | [ 24.824026][ T284] vprintk_emit (kernel/printk/printk.c:2471) | [ 24.824034][ T284] Tainted: [W]=WARN [ 24.824035][ T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.824037][ T284] Call Trace: [ 24.824039][ T284] [ 24.824040][ T284] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.824045][ T284] ? vprintk_emit (kernel/printk/printk.c:2471) [ 24.824047][ T284] __might_resched.cold (kernel/sched/core.c:9234) [ 24.824051][ T284] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.824055][ T284] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 24.824060][ T284] __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)) [ 24.824063][ T284] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.824069][ T284] ? 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) [ 24.824071][ T284] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.824075][ T284] put_chars (drivers/char/virtio_console.c:1176) [ 24.824078][ T284] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.824082][ T284] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 24.824086][ T284] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.824089][ T284] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 24.824093][ T284] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.824096][ T284] ? mark_usage (kernel/locking/lockdep.c:4690) [ 24.824099][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.824100][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.824105][ T284] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.824107][ T284] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 24.824110][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.824112][ T284] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.824116][ T284] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.824119][ T284] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.824123][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.824125][ T284] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.824129][ T284] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.824133][ T284] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.824134][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.824140][ T284] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.824142][ T284] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.824143][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.824145][ T284] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 24.824149][ T284] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.824151][ T284] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.824154][ T284] vprintk_emit (kernel/printk/printk.c:2479) [ 24.824157][ T284] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.824158][ T284] ? packet_sendmsg_spkt (af_packet.c:?) [ 24.824165][ T284] _printk (kernel/printk/printk.c:2504) [ 24.824168][ T284] ? snapshot_read.cold (user.c:?) [ 24.824173][ T284] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 24.824176][ T284] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 24.824179][ T284] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 24.824182][ T284] ? netdev_notice (net/core/dev.c:13194) [ 24.824186][ T284] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 24.824189][ T284] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 24.824193][ T284] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 24.824197][ T284] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 24.824202][ T284] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 24.824206][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 24.824208][ T284] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.824211][ T284] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.824218][ T284] ? packet_sendmsg_spkt (af_packet.c:?) [ 24.824222][ T284] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 24.824223][ T284] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 24.824226][ T284] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 24.824231][ T284] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 24.824236][ T284] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 24.824238][ T284] ? 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) [ 24.824240][ T284] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 24.824242][ T284] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 24.824248][ T284] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 24.824250][ T284] ? mark_usage (kernel/locking/lockdep.c:4690) [ 24.824252][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.824254][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.824256][ T284] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 24.824277][ T284] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.824280][ T284] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.824282][ T284] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.824285][ T284] ? mark_usage (kernel/locking/lockdep.c:4690) [ 24.824287][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.824291][ T284] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.824293][ T284] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.824296][ T284] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 24.824298][ T284] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.824302][ T284] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 24.824304][ T284] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 24.824308][ T284] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 24.824310][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.824314][ T284] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.824316][ T284] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.824320][ T284] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 24.824323][ T284] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 24.824326][ T284] ? netlink_ack (./include/linux/skbuff.h:2718) [ 24.824332][ T284] ? 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)) [ 24.824333][ T284] ? 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)) [ 24.824338][ T284] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 24.824341][ T284] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 24.824344][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.824348][ T284] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 24.824352][ T284] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 24.824356][ T284] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 24.824361][ T284] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 24.824365][ T284] ? copy_msghdr_from_user (net/socket.c:2650) [ 24.824366][ T284] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 24.824368][ T284] ? move_addr_to_kernel (net/socket.c:258) [ 24.824375][ T284] ___sys_sendmsg (net/socket.c:2767) [ 24.824377][ T284] ? copy_msghdr_from_user (net/socket.c:2619) [ 24.824392][ T284] __sys_sendmsg (net/socket.c:2799) [ 24.824395][ T284] ? __sys_sendmsg_sock (net/socket.c:2780) [ 24.824401][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.824404][ T284] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 24.824406][ T284] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 24.824409][ T284] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 24.824412][ T284] RIP: 0033:0x7f44c879254e [ 24.824415][ T284] 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 [ 24.824417][ T284] RSP: 002b:00007ffd8c8ab0e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 24.824419][ T284] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f44c879254e [ 24.824421][ T284] RDX: 0000000000000000 RSI: 00007ffd8c8ab190 RDI: 0000000000000005 [ 24.824422][ T284] RBP: 00007ffd8c8ab0f0 R08: 0000000000000000 R09: 0000000000000000 [ 24.824422][ T284] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912031 [ 24.824423][ T284] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8c8ab850 | [ 26.260685][ T226] softirqs last disabled at (5806): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 26.260688][ T226] Preemption disabled at: | [ 26.260688][ T226] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.260697][ T226] Tainted: [W]=WARN [ 26.260698][ T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.260700][ T226] Workqueue: bond0 bond_mii_monitor [ 26.260703][ T226] Call Trace: [ 26.260704][ T226] [ 26.260707][ T226] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.260712][ T226] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.260713][ T226] __might_resched.cold (kernel/sched/core.c:9234) [ 26.260718][ T226] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.260721][ T226] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.260727][ T226] __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)) [ 26.260729][ T226] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.260735][ T226] ? 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) [ 26.260737][ T226] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.260741][ T226] put_chars (drivers/char/virtio_console.c:1176) [ 26.260744][ T226] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.260746][ T226] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 26.260749][ T226] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.260753][ T226] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.260757][ T226] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.260762][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.260763][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.260768][ T226] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.260772][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.260774][ T226] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.260779][ T226] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.260782][ T226] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.260786][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.260788][ T226] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.260792][ T226] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.260796][ T226] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.260798][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.260803][ T226] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.260805][ T226] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.260807][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.260809][ T226] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 26.260813][ T226] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.260815][ T226] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.260817][ T226] vprintk_emit (kernel/printk/printk.c:2479) [ 26.260821][ T226] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.260822][ T226] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.260825][ T226] ? packet_notifier (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/packet/af_packet.c:4261 (discriminator 2)) [ 26.260831][ T226] _printk (kernel/printk/printk.c:2504) [ 26.260834][ T226] ? snapshot_read.cold (user.c:?) [ 26.260839][ T226] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 26.260842][ T226] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 26.260845][ T226] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 26.260847][ T226] ? netdev_notice (net/core/dev.c:13194) [ 26.260851][ T226] ? netdev_offload_xstats_get (net/core/dev.c:9434) [ 26.260859][ T226] bond_miimon_commit.cold (drivers/net/bonding/bond_main.c:2831 (discriminator 6)) [ 26.260866][ T226] ? bond_arp_monitor (drivers/net/bonding/bond_main.c:3901) [ 26.260867][ T226] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.260869][ T226] ? wait_for_completion_io (kernel/sched/completion.c:98 (discriminator 8) kernel/sched/completion.c:121 (discriminator 8) kernel/sched/completion.c:138 (discriminator 8) kernel/sched/completion.c:186 (discriminator 8)) [ 26.260873][ T226] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.260874][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.260879][ T226] bond_mii_monitor (drivers/net/bonding/bond_main.c:2927) [ 26.260881][ T226] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 26.260883][ T226] ? bond_miimon_commit (drivers/net/bonding/bond_main.c:2850) [ 26.260885][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.260886][ T226] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.260889][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.260892][ T226] ? process_one_work (kernel/workqueue.c:3386) [ 26.260893][ T226] process_one_work (kernel/workqueue.c:3387) [ 26.260899][ T226] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 26.260901][ T226] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.260909][ T226] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 26.260913][ T226] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.260914][ T226] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 26.260918][ T226] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.260920][ T226] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.260922][ T226] kthread (kernel/kthread.c:436) [ 26.260924][ T226] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.260927][ T226] ? kthread_affine_preferred (kernel/kthread.c:857) [ 26.260930][ T226] ret_from_fork (arch/x86/kernel/process.c:158) [ 26.260935][ T226] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 26.260938][ T226] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 26.260941][ T226] ? kthread_affine_preferred (kernel/kthread.c:857) [ 26.260944][ T226] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 28.566408][ T46] softirqs last disabled at (119148): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 28.566411][ T46] Preemption disabled at: | [ 28.566412][ T46] 0x0 | [ 28.566421][ T46] Tainted: [W]=WARN [ 28.566422][ T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.566423][ T46] Workqueue: events_unbound linkwatch_event [ 28.566427][ T46] Call Trace: [ 28.566428][ T46] [ 28.566430][ T46] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.566436][ T46] __might_resched.cold (kernel/sched/core.c:9234) [ 28.566440][ T46] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.566444][ T46] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 28.566449][ T46] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 28.566452][ T46] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.566458][ T46] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 28.566460][ T46] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.566463][ T46] put_chars (drivers/char/virtio_console.c:1176) [ 28.566467][ T46] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.566470][ T46] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.566476][ T46] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.566485][ T46] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.566488][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.566492][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.566497][ T46] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.566500][ T46] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.566504][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.566506][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.566510][ T46] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.566514][ T46] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.566515][ T46] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.566521][ T46] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.566524][ T46] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.566525][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.566527][ T46] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 28.566531][ T46] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.566533][ T46] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.566536][ T46] vprintk_emit (kernel/printk/printk.c:2479) [ 28.566539][ T46] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.566542][ T46] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.566544][ T46] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 28.566549][ T46] _printk (kernel/printk/printk.c:2504) [ 28.566552][ T46] ? snapshot_read.cold (user.c:?) [ 28.566557][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.566562][ T46] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 28.566565][ T46] br_init_port (net/bridge/br_stp_if.c:39) [ 28.566568][ T46] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 28.566570][ T46] br_port_carrier_check (net/bridge/br_if.c:90) [ 28.566574][ T46] br_device_event (net/bridge/br.c:101) [ 28.566578][ T46] ? packet_sendmsg_spkt (af_packet.c:?) [ 28.566579][ T46] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 28.566586][ T46] notifier_call_chain (kernel/notifier.c:85) [ 28.566593][ T46] netif_state_change (net/core/dev.c:1625) [ 28.566597][ T46] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 28.566602][ T46] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 28.566604][ T46] __linkwatch_run_queue (net/core/link_watch.c:240) [ 28.566608][ T46] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 28.566611][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.566616][ T46] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 28.566618][ T46] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 28.566622][ T46] process_one_work (kernel/workqueue.c:3387) [ 28.566628][ T46] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 28.566631][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.566639][ T46] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 28.566645][ T46] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 28.566647][ T46] kthread (kernel/kthread.c:436) [ 28.566650][ T46] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 28.566653][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 28.566656][ T46] ret_from_fork (arch/x86/kernel/process.c:158) [ 28.566661][ T46] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 28.566664][ T46] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 28.566668][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 28.566671][ T46] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 29.759718][ T306] softirqs last disabled at (39893): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 29.759721][ T306] Preemption disabled at: | [ 29.759721][ T306] vprintk_emit (kernel/printk/printk.c:2471) | [ 29.759729][ T306] Tainted: [W]=WARN [ 29.759730][ T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.759731][ T306] Call Trace: [ 29.759733][ T306] [ 29.759734][ T306] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.759739][ T306] ? vprintk_emit (kernel/printk/printk.c:2471) [ 29.759740][ T306] __might_resched.cold (kernel/sched/core.c:9234) [ 29.759744][ T306] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.759748][ T306] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.759753][ T306] __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)) [ 29.759756][ T306] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.759762][ T306] ? 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) [ 29.759764][ T306] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.759767][ T306] put_chars (drivers/char/virtio_console.c:1176) [ 29.759770][ T306] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.759774][ T306] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.759777][ T306] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.759780][ T306] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.759785][ T306] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.759788][ T306] ? mark_usage (kernel/locking/lockdep.c:4690) [ 29.759790][ T306] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.759792][ T306] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.759796][ T306] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.759799][ T306] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 29.759801][ T306] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.759803][ T306] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.759808][ T306] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.759811][ T306] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.759815][ T306] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.759817][ T306] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.759821][ T306] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.759824][ T306] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.759826][ T306] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.759831][ T306] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.759833][ T306] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.759835][ T306] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.759837][ T306] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 29.759841][ T306] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.759842][ T306] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.759845][ T306] vprintk_emit (kernel/printk/printk.c:2479) [ 29.759848][ T306] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.759850][ T306] ? packet_sendmsg_spkt (af_packet.c:?) [ 29.759857][ T306] _printk (kernel/printk/printk.c:2504) [ 29.759860][ T306] ? snapshot_read.cold (user.c:?) [ 29.759864][ T306] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 29.759867][ T306] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 29.759871][ T306] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 29.759873][ T306] ? netdev_notice (net/core/dev.c:13194) [ 29.759877][ T306] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 29.759880][ T306] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 29.759884][ T306] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 29.759887][ T306] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 29.759893][ T306] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 29.759896][ T306] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 29.759898][ T306] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.759901][ T306] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.759908][ T306] ? packet_sendmsg_spkt (af_packet.c:?) [ 29.759912][ T306] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 29.759914][ T306] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 29.759917][ T306] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 29.759922][ T306] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 29.759927][ T306] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 29.759929][ T306] ? 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) [ 29.759931][ T306] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 29.759933][ T306] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 29.759939][ T306] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 29.759941][ T306] ? mark_usage (kernel/locking/lockdep.c:4690) [ 29.759944][ T306] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.759945][ T306] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.759948][ T306] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 29.759969][ T306] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.759971][ T306] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.759974][ T306] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.759976][ T306] ? mark_usage (kernel/locking/lockdep.c:4690) [ 29.759978][ T306] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.759983][ T306] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.759985][ T306] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.759987][ T306] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 29.759990][ T306] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.759993][ T306] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 29.759996][ T306] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 29.760000][ T306] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 29.760002][ T306] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.760010][ T306] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.760012][ T306] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.760016][ T306] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 29.760019][ T306] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 29.760022][ T306] ? netlink_ack (./include/linux/skbuff.h:2718) [ 29.760028][ T306] ? 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)) [ 29.760030][ T306] ? 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)) [ 29.760034][ T306] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 29.760038][ T306] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.760040][ T306] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.760045][ T306] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 29.760048][ T306] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.760052][ T306] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 29.760058][ T306] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 29.760061][ T306] ? copy_msghdr_from_user (net/socket.c:2650) [ 29.760063][ T306] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 29.760065][ T306] ? move_addr_to_kernel (net/socket.c:258) [ 29.760071][ T306] ___sys_sendmsg (net/socket.c:2767) [ 29.760074][ T306] ? copy_msghdr_from_user (net/socket.c:2619) [ 29.760089][ T306] __sys_sendmsg (net/socket.c:2799) [ 29.760092][ T306] ? __sys_sendmsg_sock (net/socket.c:2780) [ 29.760098][ T306] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.760101][ T306] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.760103][ T306] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 29.760106][ T306] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 29.760108][ T306] RIP: 0033:0x7f9df0d1754e [ 29.760112][ T306] 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 [ 29.760114][ T306] RSP: 002b:00007fff066b7d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 29.760117][ T306] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f9df0d1754e [ 29.760118][ T306] RDX: 0000000000000000 RSI: 00007fff066b7db0 RDI: 0000000000000005 [ 29.760119][ T306] RBP: 00007fff066b7d10 R08: 0000000000000000 R09: 0000000000000000 [ 29.760120][ T306] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912036 [ 29.760121][ T306] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff066b8470 | [ 31.413496][ T320] softirqs last disabled at (40304): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 31.413498][ T320] Preemption disabled at: | [ 31.413499][ T320] 0x0 | [ 31.413509][ T320] Tainted: [W]=WARN [ 31.413510][ T320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.413511][ T320] Call Trace: [ 31.413513][ T320] [ 31.413514][ T320] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.413520][ T320] __might_resched.cold (kernel/sched/core.c:9234) [ 31.413525][ T320] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.413528][ T320] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 31.413534][ T320] __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)) [ 31.413536][ T320] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.413542][ T320] ? 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) [ 31.413544][ T320] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.413548][ T320] put_chars (drivers/char/virtio_console.c:1176) [ 31.413550][ T320] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 31.413553][ T320] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.413560][ T320] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.413567][ T320] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.413570][ T320] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.413575][ T320] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.413578][ T320] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.413582][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.413586][ T320] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.413590][ T320] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.413593][ T320] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.413595][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.413601][ T320] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.413603][ T320] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.413604][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.413606][ T320] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 31.413610][ T320] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.413612][ T320] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.413615][ T320] vprintk_emit (kernel/printk/printk.c:2479) [ 31.413618][ T320] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.413619][ T320] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 31.413622][ T320] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 31.413624][ T320] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 31.413629][ T320] _printk (kernel/printk/printk.c:2504) [ 31.413633][ T320] ? snapshot_read.cold (user.c:?) [ 31.413640][ T320] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 31.413644][ T320] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 31.413648][ T320] br_device_event (net/bridge/br.c:111) [ 31.413650][ T320] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 31.413654][ T320] ? packet_sendmsg_spkt (af_packet.c:?) [ 31.413659][ T320] notifier_call_chain (kernel/notifier.c:85) [ 31.413665][ T320] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 31.413670][ T320] ? netif_change_name (net/core/dev.c:1517) [ 31.413672][ T320] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 31.413675][ T320] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 31.413678][ T320] ? __kernel_text_address (kernel/extable.c:79) [ 31.413680][ T320] ? write_profile (profile.c:?) [ 31.413684][ T320] netif_change_flags (net/core/dev.c:9882) [ 31.413688][ T320] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 31.413692][ T320] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 31.413694][ T320] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 31.413696][ T320] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 31.413698][ T320] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 31.413701][ T320] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 31.413703][ T320] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 31.413705][ T320] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 31.413708][ T320] ? kasan_save_stack (mm/kasan/common.c:58) [ 31.413710][ T320] ? kasan_save_stack (mm/kasan/common.c:57) [ 31.413711][ T320] ? kasan_save_track (mm/kasan/common.c:78) [ 31.413714][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.413716][ T320] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 31.413719][ T320] ? ___sys_sendmsg (net/socket.c:2757) [ 31.413723][ T320] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.413725][ T320] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 31.413728][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.413730][ T320] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.413732][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.413733][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.413735][ T320] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 31.413738][ T320] ? __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) [ 31.413739][ T320] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 31.413741][ T320] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 31.413745][ T320] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 31.413750][ T320] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 31.413756][ T320] rtnl_newlink (net/core/rtnetlink.c:4215) [ 31.413761][ T320] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.413764][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.413768][ T320] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.413771][ T320] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.413773][ T320] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.413775][ T320] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.413779][ T320] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.413782][ T320] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 31.413785][ T320] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.413787][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.413792][ T320] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.413794][ T320] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.413798][ T320] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 31.413799][ T320] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.413803][ T320] ? netlink_ack (./include/linux/skbuff.h:2718) [ 31.413809][ T320] ? 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)) [ 31.413810][ T320] ? 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)) [ 31.413815][ T320] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 31.413819][ T320] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 31.413821][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.413825][ T320] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 31.413829][ T320] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 31.413833][ T320] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 31.413839][ T320] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 31.413841][ T320] ? copy_msghdr_from_user (net/socket.c:2650) [ 31.413843][ T320] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 31.413844][ T320] ? move_addr_to_kernel (net/socket.c:258) [ 31.413851][ T320] ___sys_sendmsg (net/socket.c:2767) [ 31.413854][ T320] ? copy_msghdr_from_user (net/socket.c:2619) [ 31.413869][ T320] __sys_sendmsg (net/socket.c:2799) [ 31.413872][ T320] ? __sys_sendmsg_sock (net/socket.c:2780) [ 31.413878][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.413881][ T320] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.413883][ T320] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.413886][ T320] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.413888][ T320] RIP: 0033:0x7f7ae9cbf54e [ 31.413891][ T320] 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 [ 31.413893][ T320] RSP: 002b:00007ffff3ffbfb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 31.413895][ T320] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7ae9cbf54e [ 31.413896][ T320] RDX: 0000000000000000 RSI: 00007ffff3ffc060 RDI: 0000000000000005 [ 31.413897][ T320] RBP: 00007ffff3ffbfc0 R08: 0000000000000000 R09: 0000000000000000 [ 31.413898][ T320] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912037 [ 31.413899][ T320] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff3ffc720 | [ 33.518941][ T39] softirqs last disabled at (55074): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 33.518944][ T39] Preemption disabled at: | [ 33.518945][ T39] 0x0 | [ 33.518955][ T39] Tainted: [W]=WARN [ 33.518956][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.518957][ T39] Workqueue: events_unbound linkwatch_event [ 33.518961][ T39] Call Trace: [ 33.518963][ T39] [ 33.518965][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.518971][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 33.518975][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.518979][ T39] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 33.518984][ T39] __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)) [ 33.518987][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.518993][ T39] ? 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) [ 33.518995][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.518999][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 33.519002][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.519006][ T39] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 33.519011][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.519019][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.519022][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.519030][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.519035][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.519038][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.519042][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.519044][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.519049][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.519052][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.519054][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.519060][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.519062][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.519063][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.519065][ T39] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.519069][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.519071][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.519074][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 33.519077][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.519080][ T39] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.519082][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.519087][ T39] _printk (kernel/printk/printk.c:2504) [ 33.519090][ T39] ? snapshot_read.cold (user.c:?) [ 33.519096][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.519100][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 33.519103][ T39] br_init_port (net/bridge/br_stp_if.c:39) [ 33.519106][ T39] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 33.519108][ T39] br_port_carrier_check (net/bridge/br_if.c:90) [ 33.519112][ T39] br_device_event (net/bridge/br.c:101) [ 33.519115][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 33.519117][ T39] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 33.519124][ T39] notifier_call_chain (kernel/notifier.c:85) [ 33.519130][ T39] netif_state_change (net/core/dev.c:1625) [ 33.519134][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 33.519139][ T39] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 33.519141][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 33.519145][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 33.519147][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.519152][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 33.519155][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 33.519159][ T39] process_one_work (kernel/workqueue.c:3387) [ 33.519165][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 33.519167][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.519175][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 33.519182][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 33.519183][ T39] kthread (kernel/kthread.c:436) [ 33.519186][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.519189][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.519192][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 33.519197][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 33.519200][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 33.519204][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.519207][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 34.879175][ T328] softirqs last disabled at (50436): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 34.879178][ T328] Preemption disabled at: | [ 34.879178][ T328] vprintk_emit (kernel/printk/printk.c:2471) | [ 34.879187][ T328] Tainted: [W]=WARN [ 34.879188][ T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.879190][ T328] Call Trace: [ 34.879192][ T328] [ 34.879193][ T328] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.879198][ T328] ? vprintk_emit (kernel/printk/printk.c:2471) [ 34.879200][ T328] __might_resched.cold (kernel/sched/core.c:9234) [ 34.879204][ T328] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.879208][ T328] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 34.879213][ T328] __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)) [ 34.879215][ T328] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.879221][ T328] ? 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) [ 34.879223][ T328] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.879227][ T328] put_chars (drivers/char/virtio_console.c:1176) [ 34.879230][ T328] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.879233][ T328] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 34.879237][ T328] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.879240][ T328] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 34.879245][ T328] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.879248][ T328] ? mark_usage (kernel/locking/lockdep.c:4690) [ 34.879250][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.879252][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.879256][ T328] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.879259][ T328] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 34.879262][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.879264][ T328] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.879268][ T328] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.879271][ T328] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.879275][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.879277][ T328] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.879281][ T328] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.879285][ T328] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.879286][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.879291][ T328] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.879294][ T328] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.879295][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.879297][ T328] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 34.879301][ T328] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.879303][ T328] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.879306][ T328] vprintk_emit (kernel/printk/printk.c:2479) [ 34.879309][ T328] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.879310][ T328] ? packet_sendmsg_spkt (af_packet.c:?) [ 34.879317][ T328] _printk (kernel/printk/printk.c:2504) [ 34.879320][ T328] ? snapshot_read.cold (user.c:?) [ 34.879324][ T328] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 34.879328][ T328] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 34.879331][ T328] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 34.879333][ T328] ? netdev_notice (net/core/dev.c:13194) [ 34.879338][ T328] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 34.879341][ T328] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 34.879345][ T328] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 34.879349][ T328] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 34.879354][ T328] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 34.879357][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 34.879359][ T328] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.879362][ T328] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.879369][ T328] ? packet_sendmsg_spkt (af_packet.c:?) [ 34.879373][ T328] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 34.879375][ T328] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 34.879377][ T328] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 34.879382][ T328] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 34.879388][ T328] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 34.879390][ T328] ? 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) [ 34.879392][ T328] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 34.879393][ T328] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 34.879400][ T328] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 34.879402][ T328] ? mark_usage (kernel/locking/lockdep.c:4690) [ 34.879404][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.879406][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.879408][ T328] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 34.879429][ T328] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.879432][ T328] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.879434][ T328] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.879437][ T328] ? mark_usage (kernel/locking/lockdep.c:4690) [ 34.879439][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.879443][ T328] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.879445][ T328] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.879448][ T328] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 34.879450][ T328] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.879454][ T328] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 34.879456][ T328] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 34.879460][ T328] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 34.879462][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.879466][ T328] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.879468][ T328] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.879472][ T328] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 34.879475][ T328] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 34.879480][ T328] ? netlink_ack (./include/linux/skbuff.h:2718) [ 34.879486][ T328] ? 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)) [ 34.879488][ T328] ? 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)) [ 34.879492][ T328] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 34.879495][ T328] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 34.879498][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.879503][ T328] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 34.879506][ T328] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 34.879510][ T328] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 34.879516][ T328] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 34.879519][ T328] ? copy_msghdr_from_user (net/socket.c:2650) [ 34.879521][ T328] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 34.879522][ T328] ? move_addr_to_kernel (net/socket.c:258) [ 34.879529][ T328] ___sys_sendmsg (net/socket.c:2767) [ 34.879532][ T328] ? copy_msghdr_from_user (net/socket.c:2619) [ 34.879547][ T328] __sys_sendmsg (net/socket.c:2799) [ 34.879549][ T328] ? __sys_sendmsg_sock (net/socket.c:2780) [ 34.879555][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.879559][ T328] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 34.879561][ T328] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 34.879564][ T328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 34.879566][ T328] RIP: 0033:0x7f1f2c8cc54e [ 34.879570][ T328] 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 [ 34.879571][ T328] RSP: 002b:00007ffc19d257b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.879574][ T328] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f1f2c8cc54e [ 34.879576][ T328] RDX: 0000000000000000 RSI: 00007ffc19d25860 RDI: 0000000000000005 [ 34.879577][ T328] RBP: 00007ffc19d257c0 R08: 0000000000000000 R09: 0000000000000000 [ 34.879577][ T328] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91203b [ 34.879578][ T328] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc19d25f20 | [ 36.560483][ T342] softirqs last disabled at (40482): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 36.560486][ T342] Preemption disabled at: | [ 36.560486][ T342] 0x0 | [ 36.560496][ T342] Tainted: [W]=WARN [ 36.560497][ T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.560499][ T342] Call Trace: [ 36.560501][ T342] [ 36.560503][ T342] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.560509][ T342] __might_resched.cold (kernel/sched/core.c:9234) [ 36.560513][ T342] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.560517][ T342] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 36.560522][ T342] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 36.560525][ T342] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.560531][ T342] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 36.560533][ T342] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.560537][ T342] put_chars (drivers/char/virtio_console.c:1176) [ 36.560540][ T342] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 36.560543][ T342] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.560550][ T342] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.560557][ T342] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.560561][ T342] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.560565][ T342] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.560569][ T342] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.560573][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.560576][ T342] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.560581][ T342] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.560585][ T342] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.560586][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.560592][ T342] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.560594][ T342] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.560596][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.560598][ T342] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 36.560602][ T342] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.560603][ T342] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.560607][ T342] vprintk_emit (kernel/printk/printk.c:2479) [ 36.560610][ T342] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.560611][ T342] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 36.560614][ T342] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.560617][ T342] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.560621][ T342] _printk (kernel/printk/printk.c:2504) [ 36.560625][ T342] ? snapshot_read.cold (user.c:?) [ 36.560632][ T342] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 36.560636][ T342] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 36.560640][ T342] br_device_event (net/bridge/br.c:111) [ 36.560643][ T342] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 36.560646][ T342] ? packet_sendmsg_spkt (af_packet.c:?) [ 36.560652][ T342] notifier_call_chain (kernel/notifier.c:85) [ 36.560658][ T342] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 36.560663][ T342] ? netif_change_name (net/core/dev.c:1517) [ 36.560665][ T342] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 36.560668][ T342] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 36.560671][ T342] ? __kernel_text_address (kernel/extable.c:79) [ 36.560673][ T342] ? write_profile (profile.c:?) [ 36.560678][ T342] netif_change_flags (net/core/dev.c:9882) [ 36.560682][ T342] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 36.560686][ T342] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 36.560688][ T342] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 36.560690][ T342] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 36.560692][ T342] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 36.560695][ T342] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.560698][ T342] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.560700][ T342] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 36.560703][ T342] ? kasan_save_stack (mm/kasan/common.c:58) [ 36.560705][ T342] ? kasan_save_stack (mm/kasan/common.c:57) [ 36.560706][ T342] ? kasan_save_track (mm/kasan/common.c:78) [ 36.560708][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.560710][ T342] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 36.560713][ T342] ? ___sys_sendmsg (net/socket.c:2757) [ 36.560718][ T342] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.560720][ T342] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 36.560723][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.560725][ T342] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.560727][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.560729][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.560731][ T342] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 36.560733][ T342] ? __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) [ 36.560735][ T342] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 36.560737][ T342] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 36.560741][ T342] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 36.560746][ T342] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 36.560752][ T342] rtnl_newlink (net/core/rtnetlink.c:4215) [ 36.560758][ T342] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.560761][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.560765][ T342] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.560768][ T342] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.560770][ T342] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.560772][ T342] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.560776][ T342] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.560779][ T342] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 36.560783][ T342] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.560785][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.560790][ T342] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.560792][ T342] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.560796][ T342] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.560798][ T342] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.560801][ T342] ? netlink_ack (./include/linux/skbuff.h:2718) [ 36.560808][ T342] ? 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)) [ 36.560809][ T342] ? 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)) [ 36.560813][ T342] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.560817][ T342] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 36.560820][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.560825][ T342] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.560828][ T342] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 36.560832][ T342] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 36.560838][ T342] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 36.560841][ T342] ? copy_msghdr_from_user (net/socket.c:2650) [ 36.560843][ T342] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 36.560844][ T342] ? move_addr_to_kernel (net/socket.c:258) [ 36.560851][ T342] ___sys_sendmsg (net/socket.c:2767) [ 36.560854][ T342] ? copy_msghdr_from_user (net/socket.c:2619) [ 36.560870][ T342] __sys_sendmsg (net/socket.c:2799) [ 36.560873][ T342] ? __sys_sendmsg_sock (net/socket.c:2780) [ 36.560879][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.560882][ T342] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.560884][ T342] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 36.560888][ T342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.560890][ T342] RIP: 0033:0x7f34a783054e [ 36.560892][ T342] 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 [ 36.560894][ T342] RSP: 002b:00007ffc8321b500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.560897][ T342] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f34a783054e [ 36.560898][ T342] RDX: 0000000000000000 RSI: 00007ffc8321b5b0 RDI: 0000000000000005 [ 36.560899][ T342] RBP: 00007ffc8321b510 R08: 0000000000000000 R09: 0000000000000000 [ 36.560900][ T342] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91203d [ 36.560900][ T342] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8321bc70 | [ 38.660932][ T39] softirqs last disabled at (91102): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 38.660934][ T39] Preemption disabled at: | [ 38.660935][ T39] 0x0 | [ 38.660945][ T39] Tainted: [W]=WARN [ 38.660946][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.660948][ T39] Workqueue: events_unbound linkwatch_event [ 38.660952][ T39] Call Trace: [ 38.660953][ T39] [ 38.660955][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.660960][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 38.660965][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.660968][ T39] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 38.660974][ T39] __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)) [ 38.660976][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.660983][ T39] ? 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) [ 38.660985][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.660988][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 38.660992][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.660995][ T39] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.661001][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.661008][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.661011][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.661015][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.661019][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.661023][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.661027][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.661029][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.661033][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.661037][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.661039][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.661044][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.661047][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.661048][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.661050][ T39] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 38.661058][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.661060][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.661063][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 38.661067][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.661069][ T39] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.661072][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.661077][ T39] _printk (kernel/printk/printk.c:2504) [ 38.661080][ T39] ? snapshot_read.cold (user.c:?) [ 38.661086][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.661090][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 38.661094][ T39] br_init_port (net/bridge/br_stp_if.c:39) [ 38.661096][ T39] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 38.661098][ T39] br_port_carrier_check (net/bridge/br_if.c:90) [ 38.661102][ T39] br_device_event (net/bridge/br.c:101) [ 38.661106][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 38.661107][ T39] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 38.661114][ T39] notifier_call_chain (kernel/notifier.c:85) [ 38.661120][ T39] netif_state_change (net/core/dev.c:1625) [ 38.661124][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 38.661129][ T39] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 38.661132][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 38.661135][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 38.661138][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.661143][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 38.661145][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 38.661149][ T39] process_one_work (kernel/workqueue.c:3387) [ 38.661155][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 38.661158][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.661166][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 38.661172][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.661174][ T39] kthread (kernel/kthread.c:436) [ 38.661176][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.661180][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.661183][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 38.661187][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 38.661191][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 38.661194][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.661197][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 39.997343][ T350] softirqs last disabled at (44578): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 39.997346][ T350] Preemption disabled at: | [ 39.997347][ T350] vprintk_emit (kernel/printk/printk.c:2471) | [ 39.997356][ T350] Tainted: [W]=WARN [ 39.997357][ T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.997358][ T350] Call Trace: [ 39.997360][ T350] [ 39.997362][ T350] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.997367][ T350] ? vprintk_emit (kernel/printk/printk.c:2471) [ 39.997368][ T350] __might_resched.cold (kernel/sched/core.c:9234) [ 39.997373][ T350] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.997377][ T350] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 39.997382][ T350] __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)) [ 39.997385][ T350] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.997391][ T350] ? 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) [ 39.997393][ T350] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.997397][ T350] put_chars (drivers/char/virtio_console.c:1176) [ 39.997400][ T350] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.997404][ T350] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.997408][ T350] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.997411][ T350] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 39.997415][ T350] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.997419][ T350] ? mark_usage (kernel/locking/lockdep.c:4690) [ 39.997421][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.997423][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.997427][ T350] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.997430][ T350] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 39.997433][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.997435][ T350] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.997439][ T350] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.997443][ T350] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.997447][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.997449][ T350] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.997453][ T350] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.997457][ T350] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.997459][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.997464][ T350] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.997467][ T350] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.997468][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.997470][ T350] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 39.997474][ T350] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.997476][ T350] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.997481][ T350] vprintk_emit (kernel/printk/printk.c:2479) [ 39.997484][ T350] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.997486][ T350] ? packet_sendmsg_spkt (af_packet.c:?) [ 39.997493][ T350] _printk (kernel/printk/printk.c:2504) [ 39.997496][ T350] ? snapshot_read.cold (user.c:?) [ 39.997501][ T350] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 39.997504][ T350] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 39.997507][ T350] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 39.997510][ T350] ? netdev_notice (net/core/dev.c:13194) [ 39.997514][ T350] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 39.997517][ T350] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 39.997522][ T350] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 39.997525][ T350] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 39.997531][ T350] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 39.997535][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 39.997537][ T350] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.997540][ T350] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.997547][ T350] ? packet_sendmsg_spkt (af_packet.c:?) [ 39.997552][ T350] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 39.997553][ T350] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 39.997556][ T350] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 39.997561][ T350] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 39.997567][ T350] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 39.997569][ T350] ? 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) [ 39.997571][ T350] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 39.997573][ T350] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 39.997579][ T350] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 39.997582][ T350] ? mark_usage (kernel/locking/lockdep.c:4690) [ 39.997584][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.997586][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.997588][ T350] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 39.997611][ T350] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.997613][ T350] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.997616][ T350] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.997618][ T350] ? mark_usage (kernel/locking/lockdep.c:4690) [ 39.997620][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.997625][ T350] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.997628][ T350] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.997630][ T350] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 39.997632][ T350] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.997636][ T350] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 39.997639][ T350] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 39.997643][ T350] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 39.997645][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.997649][ T350] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.997652][ T350] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.997655][ T350] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 39.997658][ T350] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 39.997662][ T350] ? netlink_ack (./include/linux/skbuff.h:2718) [ 39.997668][ T350] ? 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)) [ 39.997670][ T350] ? 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)) [ 39.997674][ T350] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 39.997678][ T350] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 39.997681][ T350] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.997685][ T350] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 39.997689][ T350] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 39.997693][ T350] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 39.997699][ T350] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 39.997703][ T350] ? copy_msghdr_from_user (net/socket.c:2650) [ 39.997705][ T350] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 39.997706][ T350] ? move_addr_to_kernel (net/socket.c:258) [ 39.997713][ T350] ___sys_sendmsg (net/socket.c:2767) [ 39.997716][ T350] ? copy_msghdr_from_user (net/socket.c:2619) [ 39.997732][ T350] __sys_sendmsg (net/socket.c:2799) [ 39.997735][ T350] ? __sys_sendmsg_sock (net/socket.c:2780) [ 39.997741][ T350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.997744][ T350] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 39.997747][ T350] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 39.997750][ T350] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 39.997752][ T350] RIP: 0033:0x7f0dbced454e [ 39.997756][ T350] 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 [ 39.997758][ T350] RSP: 002b:00007ffe76f9f920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 39.997760][ T350] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0dbced454e [ 39.997762][ T350] RDX: 0000000000000000 RSI: 00007ffe76f9f9d0 RDI: 0000000000000005 [ 39.997763][ T350] RBP: 00007ffe76f9f930 R08: 0000000000000000 R09: 0000000000000000 [ 39.997764][ T350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912040 [ 39.997764][ T350] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe76fa0090 | [ 41.739705][ T365] softirqs last disabled at (36714): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 41.739707][ T365] Preemption disabled at: | [ 41.739708][ T365] 0x0 | [ 41.739718][ T365] Tainted: [W]=WARN [ 41.739719][ T365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.739720][ T365] Call Trace: [ 41.739722][ T365] [ 41.739724][ T365] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.739729][ T365] __might_resched.cold (kernel/sched/core.c:9234) [ 41.739733][ T365] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.739737][ T365] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 41.739742][ T365] __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)) [ 41.739745][ T365] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.739751][ T365] ? 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) [ 41.739753][ T365] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.739757][ T365] put_chars (drivers/char/virtio_console.c:1176) [ 41.739759][ T365] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 41.739762][ T365] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.739769][ T365] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.739776][ T365] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.739779][ T365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.739784][ T365] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.739787][ T365] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.739791][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.739794][ T365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.739798][ T365] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.739802][ T365] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.739803][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.739809][ T365] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.739811][ T365] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.739813][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.739815][ T365] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 41.739818][ T365] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.739820][ T365] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.739823][ T365] vprintk_emit (kernel/printk/printk.c:2479) [ 41.739826][ T365] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.739828][ T365] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 41.739831][ T365] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.739833][ T365] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.739838][ T365] _printk (kernel/printk/printk.c:2504) [ 41.739841][ T365] ? snapshot_read.cold (user.c:?) [ 41.739848][ T365] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 41.739852][ T365] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 41.739856][ T365] br_device_event (net/bridge/br.c:111) [ 41.739858][ T365] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 41.739862][ T365] ? packet_sendmsg_spkt (af_packet.c:?) [ 41.739867][ T365] notifier_call_chain (kernel/notifier.c:85) [ 41.739873][ T365] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 41.739878][ T365] ? netif_change_name (net/core/dev.c:1517) [ 41.739880][ T365] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 41.739883][ T365] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 41.739886][ T365] ? __kernel_text_address (kernel/extable.c:79) [ 41.739888][ T365] ? write_profile (profile.c:?) [ 41.739893][ T365] netif_change_flags (net/core/dev.c:9882) [ 41.739897][ T365] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 41.739901][ T365] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 41.739903][ T365] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 41.739905][ T365] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 41.739907][ T365] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 41.739910][ T365] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.739912][ T365] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.739914][ T365] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.739917][ T365] ? kasan_save_stack (mm/kasan/common.c:58) [ 41.739919][ T365] ? kasan_save_stack (mm/kasan/common.c:57) [ 41.739920][ T365] ? kasan_save_track (mm/kasan/common.c:78) [ 41.739923][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.739925][ T365] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 41.739928][ T365] ? ___sys_sendmsg (net/socket.c:2757) [ 41.739932][ T365] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.739935][ T365] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 41.739938][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.739940][ T365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.739941][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.739943][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.739945][ T365] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 41.739947][ T365] ? __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) [ 41.739949][ T365] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 41.739951][ T365] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 41.739955][ T365] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 41.739960][ T365] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 41.739965][ T365] rtnl_newlink (net/core/rtnetlink.c:4215) [ 41.739971][ T365] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.739974][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.739978][ T365] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.739981][ T365] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.739983][ T365] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.739985][ T365] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.739989][ T365] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.739992][ T365] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 41.739996][ T365] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.739998][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.740002][ T365] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.740005][ T365] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.740008][ T365] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 41.740010][ T365] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.740013][ T365] ? netlink_ack (./include/linux/skbuff.h:2718) [ 41.740020][ T365] ? 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)) [ 41.740021][ T365] ? 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)) [ 41.740026][ T365] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 41.740029][ T365] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 41.740032][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.740036][ T365] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 41.740040][ T365] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 41.740044][ T365] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 41.740050][ T365] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 41.740052][ T365] ? copy_msghdr_from_user (net/socket.c:2650) [ 41.740054][ T365] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 41.740055][ T365] ? move_addr_to_kernel (net/socket.c:258) [ 41.740062][ T365] ___sys_sendmsg (net/socket.c:2767) [ 41.740065][ T365] ? copy_msghdr_from_user (net/socket.c:2619) [ 41.740084][ T365] __sys_sendmsg (net/socket.c:2799) [ 41.740086][ T365] ? __sys_sendmsg_sock (net/socket.c:2780) [ 41.740092][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.740096][ T365] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 41.740098][ T365] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 41.740101][ T365] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 41.740103][ T365] RIP: 0033:0x7f020e5f754e [ 41.740105][ T365] 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 [ 41.740107][ T365] RSP: 002b:00007fff02280cc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 41.740109][ T365] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f020e5f754e [ 41.740111][ T365] RDX: 0000000000000000 RSI: 00007fff02280d70 RDI: 0000000000000005 [ 41.740112][ T365] RBP: 00007fff02280cd0 R08: 0000000000000000 R09: 0000000000000000 [ 41.740112][ T365] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912042 [ 41.740113][ T365] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff02281430 | [ 43.849196][ T361] softirqs last disabled at (304): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 43.849198][ T361] Preemption disabled at: | [ 43.849199][ T361] 0x0 | [ 43.849209][ T361] Tainted: [W]=WARN [ 43.849210][ T361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.849211][ T361] Workqueue: events_unbound linkwatch_event [ 43.849215][ T361] Call Trace: [ 43.849217][ T361] [ 43.849218][ T361] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.849223][ T361] __might_resched.cold (kernel/sched/core.c:9234) [ 43.849228][ T361] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.849231][ T361] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 43.849237][ T361] __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)) [ 43.849239][ T361] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.849246][ T361] ? 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) [ 43.849248][ T361] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.849252][ T361] put_chars (drivers/char/virtio_console.c:1176) [ 43.849255][ T361] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.849259][ T361] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.849264][ T361] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.849272][ T361] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.849274][ T361] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.849278][ T361] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.849282][ T361] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.849286][ T361] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.849290][ T361] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.849292][ T361] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.849296][ T361] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.849300][ T361] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.849301][ T361] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.849307][ T361] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.849309][ T361] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.849311][ T361] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.849312][ T361] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.849316][ T361] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.849318][ T361] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.849321][ T361] vprintk_emit (kernel/printk/printk.c:2479) [ 43.849325][ T361] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.849327][ T361] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.849329][ T361] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.849334][ T361] _printk (kernel/printk/printk.c:2504) [ 43.849338][ T361] ? snapshot_read.cold (user.c:?) [ 43.849343][ T361] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.849347][ T361] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 43.849351][ T361] br_init_port (net/bridge/br_stp_if.c:39) [ 43.849354][ T361] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 43.849356][ T361] br_port_carrier_check (net/bridge/br_if.c:90) [ 43.849360][ T361] br_device_event (net/bridge/br.c:101) [ 43.849363][ T361] ? packet_sendmsg_spkt (af_packet.c:?) [ 43.849364][ T361] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 43.849371][ T361] notifier_call_chain (kernel/notifier.c:85) [ 43.849377][ T361] netif_state_change (net/core/dev.c:1625) [ 43.849382][ T361] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 43.849386][ T361] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 43.849389][ T361] __linkwatch_run_queue (net/core/link_watch.c:240) [ 43.849392][ T361] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 43.849395][ T361] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.849400][ T361] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 43.849403][ T361] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 43.849406][ T361] process_one_work (kernel/workqueue.c:3387) [ 43.849413][ T361] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 43.849415][ T361] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.849423][ T361] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 43.849427][ T361] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.849428][ T361] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 43.849432][ T361] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.849435][ T361] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.849436][ T361] kthread (kernel/kthread.c:436) [ 43.849438][ T361] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.849442][ T361] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.849445][ T361] ret_from_fork (arch/x86/kernel/process.c:158) [ 43.849449][ T361] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 43.849453][ T361] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 43.849457][ T361] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.849460][ T361] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 45.177523][ T373] softirqs last disabled at (43152): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 45.177525][ T373] Preemption disabled at: | [ 45.177526][ T373] vprintk_emit (kernel/printk/printk.c:2471) | [ 45.177534][ T373] Tainted: [W]=WARN [ 45.177535][ T373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.177537][ T373] Call Trace: [ 45.177538][ T373] [ 45.177540][ T373] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.177545][ T373] ? vprintk_emit (kernel/printk/printk.c:2471) [ 45.177546][ T373] __might_resched.cold (kernel/sched/core.c:9234) [ 45.177551][ T373] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.177554][ T373] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 45.177559][ T373] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 45.177562][ T373] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.177568][ T373] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 45.177570][ T373] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.177574][ T373] put_chars (drivers/char/virtio_console.c:1176) [ 45.177577][ T373] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.177580][ T373] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 45.177584][ T373] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 45.177587][ T373] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 45.177591][ T373] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.177595][ T373] ? mark_usage (kernel/locking/lockdep.c:4690) [ 45.177597][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.177599][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.177603][ T373] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.177605][ T373] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 45.177608][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.177610][ T373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.177614][ T373] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.177618][ T373] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.177622][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.177624][ T373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.177628][ T373] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.177631][ T373] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.177633][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.177638][ T373] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.177640][ T373] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.177642][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.177643][ T373] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 45.177647][ T373] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.177649][ T373] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.177652][ T373] vprintk_emit (kernel/printk/printk.c:2479) [ 45.177655][ T373] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.177657][ T373] ? packet_sendmsg_spkt (af_packet.c:?) [ 45.177663][ T373] _printk (kernel/printk/printk.c:2504) [ 45.177667][ T373] ? snapshot_read.cold (user.c:?) [ 45.177671][ T373] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 45.177674][ T373] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 45.177677][ T373] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 45.177679][ T373] ? netdev_notice (net/core/dev.c:13194) [ 45.177684][ T373] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 45.177687][ T373] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 45.177691][ T373] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 45.177694][ T373] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 45.177699][ T373] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 45.177703][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 45.177705][ T373] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.177708][ T373] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.177715][ T373] ? packet_sendmsg_spkt (af_packet.c:?) [ 45.177719][ T373] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 45.177720][ T373] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 45.177723][ T373] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 45.177728][ T373] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 45.177733][ T373] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 45.177735][ T373] ? 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) [ 45.177737][ T373] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 45.177739][ T373] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 45.177745][ T373] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 45.177747][ T373] ? mark_usage (kernel/locking/lockdep.c:4690) [ 45.177750][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.177751][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.177754][ T373] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 45.177775][ T373] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.177777][ T373] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.177780][ T373] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.177782][ T373] ? mark_usage (kernel/locking/lockdep.c:4690) [ 45.177784][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.177789][ T373] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.177791][ T373] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.177793][ T373] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 45.177795][ T373] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.177799][ T373] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 45.177802][ T373] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 45.177805][ T373] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 45.177807][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.177812][ T373] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.177814][ T373] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.177817][ T373] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 45.177820][ T373] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 45.177823][ T373] ? netlink_ack (./include/linux/skbuff.h:2718) [ 45.177829][ T373] ? 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)) [ 45.177831][ T373] ? 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)) [ 45.177835][ T373] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 45.177839][ T373] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 45.177841][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.177845][ T373] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 45.177849][ T373] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 45.177853][ T373] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 45.177859][ T373] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 45.177862][ T373] ? copy_msghdr_from_user (net/socket.c:2650) [ 45.177864][ T373] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 45.177865][ T373] ? move_addr_to_kernel (net/socket.c:258) [ 45.177872][ T373] ___sys_sendmsg (net/socket.c:2767) [ 45.177875][ T373] ? copy_msghdr_from_user (net/socket.c:2619) [ 45.177890][ T373] __sys_sendmsg (net/socket.c:2799) [ 45.177892][ T373] ? __sys_sendmsg_sock (net/socket.c:2780) [ 45.177898][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.177901][ T373] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 45.177904][ T373] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 45.177907][ T373] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 45.177909][ T373] RIP: 0033:0x7f2fad34e54e [ 45.177912][ T373] 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 [ 45.177914][ T373] RSP: 002b:00007ffd58e20fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 45.177917][ T373] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2fad34e54e [ 45.177918][ T373] RDX: 0000000000000000 RSI: 00007ffd58e21050 RDI: 0000000000000005 [ 45.177919][ T373] RBP: 00007ffd58e20fb0 R08: 0000000000000000 R09: 0000000000000000 [ 45.177920][ T373] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912045 Finger prints: br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars