====================================== | [ 8.839530][ T181] softirqs last disabled at (27303): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.839533][ T181] Preemption disabled at: | [ 8.839533][ T181] 0x0 | [ 8.839545][ T181] Tainted: [W]=WARN [ 8.839546][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.839548][ T181] Call Trace: [ 8.839550][ T181] [ 8.839552][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.839559][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 8.839563][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.839567][ T181] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.839574][ T181] __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)) [ 8.839577][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.839584][ T181] ? 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) [ 8.839586][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.839591][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 8.839595][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.839597][ T181] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 8.839601][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 8.839605][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.839610][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.839615][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.839617][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.839623][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.839627][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.839630][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.839635][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.839639][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.839644][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.839647][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.839651][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.839655][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.839657][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.839663][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.839666][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.839667][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.839669][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.839674][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.839676][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.839679][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 8.839682][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.839685][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.839690][ T181] _printk (kernel/printk/printk.c:2504) [ 8.839693][ T181] ? snapshot_read.cold (user.c:?) [ 8.839697][ T181] ? 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) [ 8.839699][ T181] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.839703][ T181] ? 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) [ 8.839706][ T181] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.839711][ T181] ? exit_notify (kernel/exit.c:780) [ 8.839712][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.839716][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.839721][ T181] do_group_exit (kernel/exit.c:1151) [ 8.839724][ T181] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.839727][ T181] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.839729][ T181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.839733][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.839736][ T181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.839738][ T181] RIP: 0033:0x7fae5f70d1b8 [ 8.839741][ T181] Code: Unable to access opcode bytes at 0x7fae5f70d18e. Code starting with the faulting instruction =========================================== [ 8.839742][ T181] RSP: 002b:00007ffd1aab3d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.839744][ T181] RAX: ffffffffffffffda RBX: 00007fae5f83df88 RCX: 00007fae5f70d1b8 [ 8.839746][ T181] RDX: 00007fae5f457fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.839747][ T181] RBP: 00007ffd1aab3d90 R08: 0000000000000000 R09: 0000000000008010 [ 8.839748][ T181] R10: 00007ffd1aab3b50 R11: 0000000000000246 R12: 0000000000000001 [ 8.839749][ T181] R13: 0000000000000000 R14: 00007fae5f83c680 R15: 00007fae5f83dfa0 | [ 11.004428][ T215] softirqs last disabled at (32548): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 11.004431][ T215] Preemption disabled at: | [ 11.004431][ T215] 0x0 | [ 11.004441][ T215] Tainted: [W]=WARN [ 11.004442][ T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.004444][ T215] Call Trace: [ 11.004445][ T215] [ 11.004447][ T215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.004452][ T215] __might_resched.cold (kernel/sched/core.c:9234) [ 11.004457][ T215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.004460][ T215] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.004466][ T215] __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)) [ 11.004468][ T215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.004474][ T215] ? 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) [ 11.004476][ T215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.004480][ T215] put_chars (drivers/char/virtio_console.c:1176) [ 11.004483][ T215] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 11.004485][ T215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.004492][ T215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.004499][ T215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.004502][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.004507][ T215] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.004511][ T215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.004514][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.004518][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.004522][ T215] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.004526][ T215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.004527][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.004532][ T215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.004535][ T215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.004536][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.004538][ T215] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.004542][ T215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.004544][ T215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.004547][ T215] vprintk_emit (kernel/printk/printk.c:2479) [ 11.004550][ T215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.004551][ T215] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.004554][ T215] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.004556][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.004561][ T215] _printk (kernel/printk/printk.c:2504) [ 11.004564][ T215] ? snapshot_read.cold (user.c:?) [ 11.004571][ T215] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 11.004575][ T215] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 11.004579][ T215] br_device_event (net/bridge/br.c:111) [ 11.004581][ T215] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 11.004585][ T215] ? packet_sendmsg_spkt (af_packet.c:?) [ 11.004590][ T215] notifier_call_chain (kernel/notifier.c:85) [ 11.004596][ T215] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 11.004601][ T215] ? netif_change_name (net/core/dev.c:1517) [ 11.004603][ T215] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 11.004606][ T215] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 11.004609][ T215] ? __kernel_text_address (kernel/extable.c:79) [ 11.004611][ T215] ? write_profile (profile.c:?) [ 11.004616][ T215] netif_change_flags (net/core/dev.c:9882) [ 11.004619][ T215] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 11.004623][ T215] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.004625][ T215] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.004627][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.004629][ T215] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.004632][ T215] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.004634][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.004636][ T215] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.004639][ T215] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.004641][ T215] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.004642][ T215] ? kasan_save_track (mm/kasan/common.c:78) [ 11.004645][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.004647][ T215] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 11.004649][ T215] ? ___sys_sendmsg (net/socket.c:2757) [ 11.004654][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.004656][ T215] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.004659][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.004661][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.004663][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.004664][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.004666][ T215] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.004668][ T215] ? __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) [ 11.004670][ T215] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.004672][ T215] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.004676][ T215] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.004681][ T215] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.004686][ T215] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.004692][ T215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.004694][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.004699][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.004701][ T215] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.004703][ T215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.004705][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.004709][ T215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.004712][ T215] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.004715][ T215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.004717][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.004722][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.004724][ T215] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.004727][ T215] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.004729][ T215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.004732][ T215] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.004739][ T215] ? 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)) [ 11.004740][ T215] ? 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)) [ 11.004744][ T215] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.004748][ T215] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.004751][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.004755][ T215] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.004759][ T215] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.004762][ T215] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.004768][ T215] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 11.004770][ T215] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.004772][ T215] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 11.004773][ T215] ? move_addr_to_kernel (net/socket.c:258) [ 11.004780][ T215] ___sys_sendmsg (net/socket.c:2767) [ 11.004783][ T215] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.004798][ T215] __sys_sendmsg (net/socket.c:2799) [ 11.004800][ T215] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.004806][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.004812][ T215] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.004814][ T215] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.004817][ T215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.004819][ T215] RIP: 0033:0x7f423711254e [ 11.004822][ T215] 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 [ 11.004823][ T215] RSP: 002b:00007ffdf6a581d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.004826][ T215] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f423711254e [ 11.004827][ T215] RDX: 0000000000000000 RSI: 00007ffdf6a58280 RDI: 0000000000000005 [ 11.004828][ T215] RBP: 00007ffdf6a581e0 R08: 0000000000000000 R09: 0000000000000000 [ 11.004829][ T215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919f51 [ 11.004830][ T215] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf6a58940 | [ 13.132521][ T38] softirqs last disabled at (22072): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 13.132523][ T38] Preemption disabled at: | [ 13.132524][ T38] 0x0 | [ 13.132535][ T38] Tainted: [W]=WARN [ 13.132536][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.132537][ T38] Workqueue: events_unbound linkwatch_event [ 13.132541][ T38] Call Trace: [ 13.132543][ T38] [ 13.132545][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.132551][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 13.132555][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.132559][ T38] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.132564][ T38] __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)) [ 13.132566][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.132573][ T38] ? 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) [ 13.132575][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.132579][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 13.132582][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.132586][ T38] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.132592][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.132599][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.132602][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.132605][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.132609][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.132613][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.132617][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.132619][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.132623][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.132627][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.132628][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.132633][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.132636][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.132637][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.132639][ T38] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.132643][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.132645][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.132648][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 13.132651][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.132653][ T38] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.132656][ T38] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.132660][ T38] _printk (kernel/printk/printk.c:2504) [ 13.132664][ T38] ? snapshot_read.cold (user.c:?) [ 13.132669][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.132673][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 13.132677][ T38] br_init_port (net/bridge/br_stp_if.c:39) [ 13.132680][ T38] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 13.132682][ T38] br_port_carrier_check (net/bridge/br_if.c:90) [ 13.132686][ T38] br_device_event (net/bridge/br.c:101) [ 13.132689][ T38] ? packet_sendmsg_spkt (af_packet.c:?) [ 13.132691][ T38] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 13.132697][ T38] notifier_call_chain (kernel/notifier.c:85) [ 13.132703][ T38] netif_state_change (net/core/dev.c:1625) [ 13.132707][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.132712][ T38] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 13.132714][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 13.132718][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.132721][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.132725][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 13.132728][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 13.132731][ T38] process_one_work (kernel/workqueue.c:3387) [ 13.132737][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 13.132740][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.132748][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.132754][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.132756][ T38] kthread (kernel/kthread.c:436) [ 13.132758][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.132762][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.132765][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 13.132769][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 13.132772][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 13.132776][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.132779][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 14.373182][ T223] softirqs last disabled at (47802): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 14.373184][ T223] Preemption disabled at: | [ 14.373185][ T223] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.373194][ T223] Tainted: [W]=WARN [ 14.373194][ T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.373196][ T223] Call Trace: [ 14.373198][ T223] [ 14.373199][ T223] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.373204][ T223] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.373206][ T223] __might_resched.cold (kernel/sched/core.c:9234) [ 14.373210][ T223] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.373213][ T223] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.373218][ T223] __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)) [ 14.373221][ T223] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.373233][ T223] ? 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) [ 14.373235][ T223] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.373238][ T223] put_chars (drivers/char/virtio_console.c:1176) [ 14.373242][ T223] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.373245][ T223] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.373249][ T223] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.373252][ T223] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.373256][ T223] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.373259][ T223] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.373261][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.373263][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.373267][ T223] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.373270][ T223] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.373272][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.373274][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.373279][ T223] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.373282][ T223] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.373286][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.373288][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.373292][ T223] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.373295][ T223] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.373297][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.373302][ T223] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.373304][ T223] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.373306][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.373307][ T223] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.373311][ T223] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.373313][ T223] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.373316][ T223] vprintk_emit (kernel/printk/printk.c:2479) [ 14.373319][ T223] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.373324][ T223] _printk (kernel/printk/printk.c:2504) [ 14.373327][ T223] ? snapshot_read.cold (user.c:?) [ 14.373331][ T223] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 14.373333][ T223] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.373336][ T223] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 14.373338][ T223] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 14.373341][ T223] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 14.373344][ T223] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 14.373347][ T223] ? netdev_notice (net/core/dev.c:13194) [ 14.373351][ T223] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 14.373354][ T223] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 14.373358][ T223] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 14.373362][ T223] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 14.373367][ T223] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 14.373370][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 14.373372][ T223] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.373375][ T223] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.373382][ T223] ? packet_sendmsg_spkt (af_packet.c:?) [ 14.373387][ T223] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 14.373388][ T223] ? 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)) [ 14.373391][ T223] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 14.373396][ T223] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 14.373402][ T223] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 14.373403][ T223] ? 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) [ 14.373405][ T223] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 14.373407][ T223] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 14.373413][ T223] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 14.373416][ T223] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.373418][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.373419][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.373422][ T223] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 14.373442][ T223] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.373444][ T223] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.373447][ T223] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.373449][ T223] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.373452][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.373456][ T223] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.373458][ T223] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.373460][ T223] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 14.373463][ T223] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.373466][ T223] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 14.373469][ T223] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.373472][ T223] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.373474][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.373479][ T223] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.373481][ T223] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.373484][ T223] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.373487][ T223] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.373490][ T223] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.373496][ T223] ? 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)) [ 14.373498][ T223] ? 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)) [ 14.373502][ T223] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.373506][ T223] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.373508][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.373512][ T223] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.373516][ T223] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.373520][ T223] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.373525][ T223] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 14.373529][ T223] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.373531][ T223] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 14.373532][ T223] ? move_addr_to_kernel (net/socket.c:258) [ 14.373539][ T223] ___sys_sendmsg (net/socket.c:2767) [ 14.373541][ T223] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.373556][ T223] __sys_sendmsg (net/socket.c:2799) [ 14.373559][ T223] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.373564][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.373567][ T223] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.373569][ T223] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.373572][ T223] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.373574][ T223] RIP: 0033:0x7f5405b6354e [ 14.373577][ T223] 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 [ 14.373579][ T223] RSP: 002b:00007fff72ab67b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.373581][ T223] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5405b6354e [ 14.373583][ T223] RDX: 0000000000000000 RSI: 00007fff72ab6860 RDI: 0000000000000005 [ 14.373584][ T223] RBP: 00007fff72ab67c0 R08: 0000000000000000 R09: 0000000000000000 [ 14.373584][ T223] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919f54 [ 14.373585][ T223] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff72ab6f20 | [ 16.064379][ T237] softirqs last disabled at (36970): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 16.064381][ T237] Preemption disabled at: | [ 16.064382][ T237] 0x0 | [ 16.064392][ T237] Tainted: [W]=WARN [ 16.064393][ T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.064395][ T237] Call Trace: [ 16.064396][ T237] [ 16.064398][ T237] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.064403][ T237] __might_resched.cold (kernel/sched/core.c:9234) [ 16.064408][ T237] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.064411][ T237] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.064417][ T237] __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)) [ 16.064419][ T237] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.064425][ T237] ? 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) [ 16.064427][ T237] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.064431][ T237] put_chars (drivers/char/virtio_console.c:1176) [ 16.064433][ T237] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 16.064436][ T237] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.064443][ T237] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.064449][ T237] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.064452][ T237] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.064457][ T237] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.064460][ T237] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.064464][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.064468][ T237] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.064472][ T237] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.064475][ T237] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.064476][ T237] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.064482][ T237] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.064484][ T237] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.064486][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.064487][ T237] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.064491][ T237] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.064493][ T237] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.064496][ T237] vprintk_emit (kernel/printk/printk.c:2479) [ 16.064499][ T237] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.064501][ T237] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.064503][ T237] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.064505][ T237] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.064510][ T237] _printk (kernel/printk/printk.c:2504) [ 16.064513][ T237] ? snapshot_read.cold (user.c:?) [ 16.064520][ T237] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 16.064524][ T237] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 16.064528][ T237] br_device_event (net/bridge/br.c:111) [ 16.064530][ T237] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 16.064534][ T237] ? packet_sendmsg_spkt (af_packet.c:?) [ 16.064540][ T237] notifier_call_chain (kernel/notifier.c:85) [ 16.064546][ T237] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 16.064550][ T237] ? netif_change_name (net/core/dev.c:1517) [ 16.064552][ T237] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 16.064555][ T237] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 16.064558][ T237] ? __kernel_text_address (kernel/extable.c:79) [ 16.064560][ T237] ? write_profile (profile.c:?) [ 16.064565][ T237] netif_change_flags (net/core/dev.c:9882) [ 16.064569][ T237] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 16.064572][ T237] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 16.064574][ T237] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 16.064576][ T237] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 16.064578][ T237] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 16.064581][ T237] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.064584][ T237] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.064586][ T237] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.064589][ T237] ? kasan_save_stack (mm/kasan/common.c:58) [ 16.064591][ T237] ? kasan_save_stack (mm/kasan/common.c:57) [ 16.064592][ T237] ? kasan_save_track (mm/kasan/common.c:78) [ 16.064594][ T237] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.064596][ T237] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 16.064599][ T237] ? ___sys_sendmsg (net/socket.c:2757) [ 16.064604][ T237] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.064606][ T237] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.064609][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.064611][ T237] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.064613][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.064614][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.064616][ T237] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 16.064618][ T237] ? __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) [ 16.064620][ T237] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 16.064622][ T237] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.064625][ T237] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 16.064630][ T237] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 16.064636][ T237] rtnl_newlink (net/core/rtnetlink.c:4215) [ 16.064642][ T237] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.064644][ T237] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.064648][ T237] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.064651][ T237] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.064653][ T237] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.064655][ T237] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.064659][ T237] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.064661][ T237] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 16.064665][ T237] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.064667][ T237] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.064671][ T237] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.064673][ T237] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.064677][ T237] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 16.064679][ T237] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.064682][ T237] ? netlink_ack (./include/linux/skbuff.h:2718) [ 16.064688][ T237] ? 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)) [ 16.064690][ T237] ? 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)) [ 16.064694][ T237] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 16.064698][ T237] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 16.064700][ T237] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.064705][ T237] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 16.064708][ T237] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 16.064712][ T237] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 16.064718][ T237] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 16.064720][ T237] ? copy_msghdr_from_user (net/socket.c:2650) [ 16.064722][ T237] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 16.064723][ T237] ? move_addr_to_kernel (net/socket.c:258) [ 16.064730][ T237] ___sys_sendmsg (net/socket.c:2767) [ 16.064733][ T237] ? copy_msghdr_from_user (net/socket.c:2619) [ 16.064748][ T237] __sys_sendmsg (net/socket.c:2799) [ 16.064750][ T237] ? __sys_sendmsg_sock (net/socket.c:2780) [ 16.064756][ T237] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.064759][ T237] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.064761][ T237] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.064764][ T237] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.064766][ T237] RIP: 0033:0x7f89f987b54e [ 16.064769][ T237] 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 [ 16.064771][ T237] RSP: 002b:00007ffd4f701c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 16.064773][ T237] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f89f987b54e [ 16.064774][ T237] RDX: 0000000000000000 RSI: 00007ffd4f701d20 RDI: 0000000000000005 [ 16.064775][ T237] RBP: 00007ffd4f701c80 R08: 0000000000000000 R09: 0000000000000000 [ 16.064776][ T237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919f56 [ 16.064777][ T237] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4f7023e0 | [ 18.173481][ T46] softirqs last disabled at (50472): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 18.173483][ T46] Preemption disabled at: | [ 18.173484][ T46] 0x0 | [ 18.173492][ T46] Tainted: [W]=WARN [ 18.173493][ T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.173494][ T46] Workqueue: events_unbound linkwatch_event [ 18.173497][ T46] Call Trace: [ 18.173499][ T46] [ 18.173500][ T46] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.173505][ T46] __might_resched.cold (kernel/sched/core.c:9234) [ 18.173509][ T46] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.173512][ 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) [ 18.173517][ 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)) [ 18.173520][ T46] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.173526][ 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) [ 18.173528][ T46] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.173532][ T46] put_chars (drivers/char/virtio_console.c:1176) [ 18.173535][ T46] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.173538][ T46] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.173544][ T46] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.173551][ T46] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.173554][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.173557][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.173561][ T46] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.173564][ T46] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.173568][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.173570][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.173575][ T46] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.173578][ T46] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.173580][ T46] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.173586][ T46] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.173588][ T46] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.173589][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.173591][ T46] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.173595][ T46] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.173597][ T46] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.173600][ T46] vprintk_emit (kernel/printk/printk.c:2479) [ 18.173604][ T46] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.173606][ T46] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.173608][ T46] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.173613][ T46] _printk (kernel/printk/printk.c:2504) [ 18.173616][ T46] ? snapshot_read.cold (user.c:?) [ 18.173621][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.173625][ T46] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 18.173629][ T46] br_init_port (net/bridge/br_stp_if.c:39) [ 18.173632][ T46] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 18.173634][ T46] br_port_carrier_check (net/bridge/br_if.c:90) [ 18.173637][ T46] br_device_event (net/bridge/br.c:101) [ 18.173641][ T46] ? packet_sendmsg_spkt (af_packet.c:?) [ 18.173642][ T46] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 18.173649][ T46] notifier_call_chain (kernel/notifier.c:85) [ 18.173655][ T46] netif_state_change (net/core/dev.c:1625) [ 18.173659][ T46] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 18.173663][ T46] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 18.173666][ T46] __linkwatch_run_queue (net/core/link_watch.c:240) [ 18.173669][ T46] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 18.173672][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.173677][ T46] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 18.173680][ T46] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 18.173684][ T46] process_one_work (kernel/workqueue.c:3387) [ 18.173690][ T46] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 18.173692][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.173700][ T46] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 18.173707][ T46] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.173708][ T46] kthread (kernel/kthread.c:436) [ 18.173711][ T46] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.173714][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.173717][ T46] ret_from_fork (arch/x86/kernel/process.c:158) [ 18.173721][ T46] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 18.173725][ T46] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 18.173728][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.173731][ T46] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 19.528515][ T245] softirqs last disabled at (56537): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 19.528517][ T245] Preemption disabled at: | [ 19.528518][ T245] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.528527][ T245] Tainted: [W]=WARN [ 19.528528][ T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.528530][ T245] Call Trace: [ 19.528531][ T245] [ 19.528533][ T245] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.528538][ T245] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.528539][ T245] __might_resched.cold (kernel/sched/core.c:9234) [ 19.528544][ T245] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.528547][ T245] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.528552][ T245] __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)) [ 19.528555][ T245] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.528560][ T245] ? 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) [ 19.528563][ T245] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.528566][ T245] put_chars (drivers/char/virtio_console.c:1176) [ 19.528570][ T245] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.528573][ T245] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.528577][ T245] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.528580][ T245] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.528584][ T245] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.528588][ T245] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.528590][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.528592][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.528596][ T245] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.528598][ T245] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 19.528601][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.528603][ T245] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.528607][ T245] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.528610][ T245] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.528614][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.528616][ T245] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.528620][ T245] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.528623][ T245] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.528625][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.528630][ T245] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.528632][ T245] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.528634][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.528636][ T245] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.528639][ T245] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.528641][ T245] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.528644][ T245] vprintk_emit (kernel/printk/printk.c:2479) [ 19.528647][ T245] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.528652][ T245] _printk (kernel/printk/printk.c:2504) [ 19.528656][ T245] ? snapshot_read.cold (user.c:?) [ 19.528660][ T245] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 19.528662][ T245] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.528665][ T245] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 19.528667][ T245] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 19.528670][ T245] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 19.528674][ T245] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 19.528676][ T245] ? netdev_notice (net/core/dev.c:13194) [ 19.528680][ T245] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 19.528683][ T245] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 19.528687][ T245] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 19.528691][ T245] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 19.528696][ T245] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 19.528700][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 19.528702][ T245] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.528704][ T245] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.528711][ T245] ? packet_sendmsg_spkt (af_packet.c:?) [ 19.528717][ T245] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 19.528718][ T245] ? 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)) [ 19.528722][ T245] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 19.528726][ T245] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 19.528732][ T245] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 19.528733][ T245] ? 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) [ 19.528735][ T245] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 19.528737][ T245] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 19.528743][ T245] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 19.528745][ T245] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.528748][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.528749][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.528752][ T245] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 19.528772][ T245] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.528774][ T245] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.528777][ T245] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.528779][ T245] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.528781][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.528786][ T245] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.528788][ T245] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.528790][ T245] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 19.528793][ T245] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.528796][ T245] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 19.528799][ T245] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 19.528802][ T245] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 19.528804][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.528809][ T245] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.528813][ T245] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.528816][ T245] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 19.528819][ T245] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 19.528823][ T245] ? netlink_ack (./include/linux/skbuff.h:2718) [ 19.528829][ T245] ? 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)) [ 19.528830][ T245] ? 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)) [ 19.528834][ T245] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 19.528838][ T245] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 19.528841][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.528845][ T245] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 19.528849][ T245] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.528852][ T245] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 19.528858][ T245] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 19.528861][ T245] ? copy_msghdr_from_user (net/socket.c:2650) [ 19.528863][ T245] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 19.528865][ T245] ? move_addr_to_kernel (net/socket.c:258) [ 19.528871][ T245] ___sys_sendmsg (net/socket.c:2767) [ 19.528874][ T245] ? copy_msghdr_from_user (net/socket.c:2619) [ 19.528888][ T245] __sys_sendmsg (net/socket.c:2799) [ 19.528891][ T245] ? __sys_sendmsg_sock (net/socket.c:2780) [ 19.528897][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.528900][ T245] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.528901][ T245] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.528904][ T245] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.528907][ T245] RIP: 0033:0x7f89d530154e [ 19.528910][ T245] 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 [ 19.528912][ T245] RSP: 002b:00007fff62609660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 19.528915][ T245] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f89d530154e [ 19.528916][ T245] RDX: 0000000000000000 RSI: 00007fff62609710 RDI: 0000000000000005 [ 19.528917][ T245] RBP: 00007fff62609670 R08: 0000000000000000 R09: 0000000000000000 [ 19.528918][ T245] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919f5a [ 19.528919][ T245] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff62609dd0 | [ 21.204420][ T259] softirqs last disabled at (32610): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 21.204423][ T259] Preemption disabled at: | [ 21.204423][ T259] 0x0 | [ 21.204433][ T259] Tainted: [W]=WARN [ 21.204434][ T259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.204435][ T259] Call Trace: [ 21.204437][ T259] [ 21.204438][ T259] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.204444][ T259] __might_resched.cold (kernel/sched/core.c:9234) [ 21.204449][ T259] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.204452][ T259] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.204457][ T259] __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)) [ 21.204460][ T259] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.204466][ T259] ? 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) [ 21.204468][ T259] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.204471][ T259] put_chars (drivers/char/virtio_console.c:1176) [ 21.204474][ T259] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 21.204476][ T259] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.204483][ T259] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.204490][ T259] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.204493][ T259] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.204497][ T259] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.204501][ T259] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.204505][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.204508][ T259] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.204512][ T259] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.204516][ T259] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.204517][ T259] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.204522][ T259] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.204525][ T259] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.204526][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.204528][ T259] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.204532][ T259] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.204534][ T259] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.204536][ T259] vprintk_emit (kernel/printk/printk.c:2479) [ 21.204539][ T259] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.204541][ T259] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 21.204543][ T259] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.204546][ T259] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.204550][ T259] _printk (kernel/printk/printk.c:2504) [ 21.204553][ T259] ? snapshot_read.cold (user.c:?) [ 21.204561][ T259] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 21.204564][ T259] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 21.204568][ T259] br_device_event (net/bridge/br.c:111) [ 21.204570][ T259] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 21.204574][ T259] ? packet_sendmsg_spkt (af_packet.c:?) [ 21.204579][ T259] notifier_call_chain (kernel/notifier.c:85) [ 21.204585][ T259] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 21.204590][ T259] ? netif_change_name (net/core/dev.c:1517) [ 21.204592][ T259] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 21.204595][ T259] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 21.204598][ T259] ? __kernel_text_address (kernel/extable.c:79) [ 21.204600][ T259] ? write_profile (profile.c:?) [ 21.204605][ T259] netif_change_flags (net/core/dev.c:9882) [ 21.204608][ T259] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 21.204612][ T259] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 21.204614][ T259] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 21.204616][ T259] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 21.204618][ T259] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 21.204621][ T259] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.204623][ T259] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.204625][ T259] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.204628][ T259] ? kasan_save_stack (mm/kasan/common.c:58) [ 21.204630][ T259] ? kasan_save_stack (mm/kasan/common.c:57) [ 21.204631][ T259] ? kasan_save_track (mm/kasan/common.c:78) [ 21.204633][ T259] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.204635][ T259] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 21.204638][ T259] ? ___sys_sendmsg (net/socket.c:2757) [ 21.204643][ T259] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.204645][ T259] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 21.204648][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.204650][ T259] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.204651][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.204653][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.204655][ T259] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 21.204657][ T259] ? __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) [ 21.204659][ T259] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 21.204661][ T259] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 21.204664][ T259] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 21.204669][ T259] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 21.204675][ T259] rtnl_newlink (net/core/rtnetlink.c:4215) [ 21.204681][ T259] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.204683][ T259] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.204687][ T259] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.204689][ T259] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.204692][ T259] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.204694][ T259] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.204698][ T259] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.204700][ T259] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 21.204704][ T259] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.204705][ T259] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.204710][ T259] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.204712][ T259] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.204715][ T259] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 21.204717][ T259] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.204721][ T259] ? netlink_ack (./include/linux/skbuff.h:2718) [ 21.204727][ T259] ? 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)) [ 21.204728][ T259] ? 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)) [ 21.204732][ T259] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 21.204736][ T259] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 21.204739][ T259] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.204743][ T259] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 21.204747][ T259] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 21.204750][ T259] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 21.204756][ T259] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 21.204758][ T259] ? copy_msghdr_from_user (net/socket.c:2650) [ 21.204760][ T259] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 21.204761][ T259] ? move_addr_to_kernel (net/socket.c:258) [ 21.204768][ T259] ___sys_sendmsg (net/socket.c:2767) [ 21.204771][ T259] ? copy_msghdr_from_user (net/socket.c:2619) [ 21.204786][ T259] __sys_sendmsg (net/socket.c:2799) [ 21.204789][ T259] ? __sys_sendmsg_sock (net/socket.c:2780) [ 21.204795][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.204798][ T259] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.204800][ T259] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.204803][ T259] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.204805][ T259] RIP: 0033:0x7f3b521b054e [ 21.204808][ T259] 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 [ 21.204811][ T259] RSP: 002b:00007ffc7c220290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 21.204813][ T259] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3b521b054e [ 21.204815][ T259] RDX: 0000000000000000 RSI: 00007ffc7c220340 RDI: 0000000000000005 [ 21.204816][ T259] RBP: 00007ffc7c2202a0 R08: 0000000000000000 R09: 0000000000000000 [ 21.204817][ T259] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919f5b [ 21.204817][ T259] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7c220a00 | [ 23.310215][ T38] softirqs last disabled at (61114): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 23.310218][ T38] Preemption disabled at: | [ 23.310218][ T38] 0x0 | [ 23.310228][ T38] Tainted: [W]=WARN [ 23.310229][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.310231][ T38] Workqueue: events_unbound linkwatch_event [ 23.310234][ T38] Call Trace: [ 23.310235][ T38] [ 23.310237][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.310242][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 23.310246][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.310249][ T38] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 23.310254][ T38] __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)) [ 23.310257][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.310263][ T38] ? 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) [ 23.310265][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.310268][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 23.310271][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.310274][ T38] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 23.310285][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.310292][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.310295][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.310298][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.310302][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.310305][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.310310][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.310312][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.310316][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.310320][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.310321][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.310326][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.310329][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.310330][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.310332][ T38] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 23.310336][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.310338][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.310341][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 23.310344][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.310346][ T38] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.310348][ T38] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.310353][ T38] _printk (kernel/printk/printk.c:2504) [ 23.310356][ T38] ? snapshot_read.cold (user.c:?) [ 23.310362][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.310366][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 23.310369][ T38] br_init_port (net/bridge/br_stp_if.c:39) [ 23.310372][ T38] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 23.310374][ T38] br_port_carrier_check (net/bridge/br_if.c:90) [ 23.310378][ T38] br_device_event (net/bridge/br.c:101) [ 23.310381][ T38] ? packet_sendmsg_spkt (af_packet.c:?) [ 23.310383][ T38] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 23.310389][ T38] notifier_call_chain (kernel/notifier.c:85) [ 23.310395][ T38] netif_state_change (net/core/dev.c:1625) [ 23.310399][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 23.310404][ T38] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 23.310406][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 23.310410][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 23.310413][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.310417][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 23.310420][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 23.310424][ T38] process_one_work (kernel/workqueue.c:3387) [ 23.310430][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 23.310432][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.310440][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 23.310446][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.310448][ T38] kthread (kernel/kthread.c:436) [ 23.310450][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 23.310454][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.310457][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 23.310461][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 23.310465][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 23.310468][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.310471][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 24.643083][ T267] softirqs last disabled at (41274): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 24.643085][ T267] Preemption disabled at: | [ 24.643086][ T267] vprintk_emit (kernel/printk/printk.c:2471) | [ 24.643095][ T267] Tainted: [W]=WARN [ 24.643095][ T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.643097][ T267] Call Trace: [ 24.643098][ T267] [ 24.643100][ T267] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.643104][ T267] ? vprintk_emit (kernel/printk/printk.c:2471) [ 24.643106][ T267] __might_resched.cold (kernel/sched/core.c:9234) [ 24.643111][ T267] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.643114][ T267] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 24.643119][ T267] __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)) [ 24.643122][ T267] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.643128][ T267] ? 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) [ 24.643130][ T267] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.643134][ T267] put_chars (drivers/char/virtio_console.c:1176) [ 24.643137][ T267] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.643140][ T267] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 24.643144][ T267] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.643147][ T267] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 24.643151][ T267] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.643155][ T267] ? mark_usage (kernel/locking/lockdep.c:4690) [ 24.643157][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.643159][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.643163][ T267] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.643166][ T267] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 24.643168][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.643170][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.643175][ T267] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.643178][ T267] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.643182][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.643184][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.643188][ T267] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.643192][ T267] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.643193][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.643198][ T267] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.643201][ T267] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.643202][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.643204][ T267] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 24.643208][ T267] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.643210][ T267] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.643213][ T267] vprintk_emit (kernel/printk/printk.c:2479) [ 24.643216][ T267] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.643221][ T267] _printk (kernel/printk/printk.c:2504) [ 24.643225][ T267] ? snapshot_read.cold (user.c:?) [ 24.643228][ T267] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 24.643230][ T267] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 24.643233][ T267] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 24.643236][ T267] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 24.643239][ T267] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 24.643242][ T267] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 24.643245][ T267] ? netdev_notice (net/core/dev.c:13194) [ 24.643249][ T267] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 24.643252][ T267] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 24.643256][ T267] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 24.643260][ T267] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 24.643265][ T267] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 24.643268][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 24.643270][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.643273][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.643281][ T267] ? packet_sendmsg_spkt (af_packet.c:?) [ 24.643289][ T267] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 24.643291][ T267] ? 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)) [ 24.643294][ T267] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 24.643299][ T267] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 24.643304][ T267] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 24.643306][ T267] ? 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) [ 24.643308][ T267] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 24.643310][ T267] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 24.643316][ T267] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 24.643318][ T267] ? mark_usage (kernel/locking/lockdep.c:4690) [ 24.643320][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.643322][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.643324][ T267] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 24.643345][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.643347][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.643350][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.643352][ T267] ? mark_usage (kernel/locking/lockdep.c:4690) [ 24.643354][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.643359][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.643361][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.643363][ T267] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 24.643365][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.643369][ T267] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 24.643371][ T267] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 24.643375][ T267] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 24.643377][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.643381][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.643383][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.643387][ T267] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 24.643390][ T267] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 24.643393][ T267] ? netlink_ack (./include/linux/skbuff.h:2718) [ 24.643399][ T267] ? 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)) [ 24.643400][ T267] ? 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)) [ 24.643405][ T267] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 24.643408][ T267] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 24.643411][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.643415][ T267] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 24.643419][ T267] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 24.643423][ T267] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 24.643428][ T267] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 24.643431][ T267] ? copy_msghdr_from_user (net/socket.c:2650) [ 24.643433][ T267] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 24.643434][ T267] ? move_addr_to_kernel (net/socket.c:258) [ 24.643441][ T267] ___sys_sendmsg (net/socket.c:2767) [ 24.643444][ T267] ? copy_msghdr_from_user (net/socket.c:2619) [ 24.643458][ T267] __sys_sendmsg (net/socket.c:2799) [ 24.643461][ T267] ? __sys_sendmsg_sock (net/socket.c:2780) [ 24.643467][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.643470][ T267] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 24.643471][ T267] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 24.643474][ T267] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 24.643476][ T267] RIP: 0033:0x7f8ef2b9354e [ 24.643480][ T267] 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 [ 24.643482][ T267] RSP: 002b:00007fff8d53e670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 24.643484][ T267] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8ef2b9354e [ 24.643486][ T267] RDX: 0000000000000000 RSI: 00007fff8d53e720 RDI: 0000000000000005 [ 24.643486][ T267] RBP: 00007fff8d53e680 R08: 0000000000000000 R09: 0000000000000000 [ 24.643487][ T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919f5f [ 24.643488][ T267] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8d53ede0 | [ 26.091987][ T12] softirqs last disabled at (1884): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 26.091989][ T12] Preemption disabled at: | [ 26.091990][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.091998][ T12] Tainted: [W]=WARN [ 26.091999][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.092001][ T12] Workqueue: bond0 bond_mii_monitor [ 26.092004][ T12] Call Trace: [ 26.092005][ T12] [ 26.092007][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.092012][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.092014][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 26.092019][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.092022][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.092027][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 26.092030][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.092036][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 26.092038][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.092042][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 26.092045][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.092046][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 26.092050][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.092053][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.092058][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.092062][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.092063][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.092068][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.092072][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.092074][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.092078][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.092082][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.092085][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.092087][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.092091][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.092095][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.092096][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.092102][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.092104][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.092105][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.092107][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 26.092111][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.092113][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.092116][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 26.092119][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.092120][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.092124][ T12] ? packet_notifier (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/packet/af_packet.c:4261 (discriminator 2)) [ 26.092128][ T12] _printk (kernel/printk/printk.c:2504) [ 26.092132][ T12] ? snapshot_read.cold (user.c:?) [ 26.092136][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 26.092139][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 26.092142][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 26.092144][ T12] ? netdev_notice (net/core/dev.c:13194) [ 26.092148][ T12] ? netdev_offload_xstats_get (net/core/dev.c:9434) [ 26.092156][ T12] bond_miimon_commit.cold (drivers/net/bonding/bond_main.c:2831 (discriminator 6)) [ 26.092162][ T12] ? bond_arp_monitor (drivers/net/bonding/bond_main.c:3901) [ 26.092163][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.092166][ T12] ? wait_for_completion_io (kernel/sched/completion.c:102 kernel/sched/completion.c:121 kernel/sched/completion.c:138 kernel/sched/completion.c:186) [ 26.092169][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.092171][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.092175][ T12] bond_mii_monitor (drivers/net/bonding/bond_main.c:2927) [ 26.092177][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 26.092179][ T12] ? bond_miimon_commit (drivers/net/bonding/bond_main.c:2850) [ 26.092181][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.092183][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.092185][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.092188][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 26.092189][ T12] process_one_work (kernel/workqueue.c:3387) [ 26.092195][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 26.092197][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.092205][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 26.092211][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.092213][ T12] kthread (kernel/kthread.c:436) [ 26.092215][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.092219][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 26.092222][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 26.092226][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 26.092229][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 26.092233][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 26.092236][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 28.391939][ T37] softirqs last disabled at (52914): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 28.391942][ T37] Preemption disabled at: | [ 28.391943][ T37] 0x0 | [ 28.391953][ T37] Tainted: [W]=WARN [ 28.391954][ T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.391956][ T37] Workqueue: events_unbound linkwatch_event [ 28.391959][ T37] Call Trace: [ 28.391961][ T37] [ 28.391962][ T37] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.391968][ T37] __might_resched.cold (kernel/sched/core.c:9234) [ 28.391972][ T37] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.391976][ 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) [ 28.391981][ 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)) [ 28.391984][ T37] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.391990][ 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) [ 28.391992][ T37] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.391996][ T37] put_chars (drivers/char/virtio_console.c:1176) [ 28.391999][ T37] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.392002][ T37] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.392008][ T37] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.392015][ T37] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.392018][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.392021][ T37] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.392025][ T37] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.392029][ T37] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.392033][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.392035][ T37] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.392039][ T37] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.392043][ T37] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.392044][ T37] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.392050][ T37] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.392052][ T37] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.392054][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.392055][ T37] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 28.392059][ T37] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.392061][ T37] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.392064][ T37] vprintk_emit (kernel/printk/printk.c:2479) [ 28.392067][ T37] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.392070][ T37] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.392072][ T37] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 28.392077][ T37] _printk (kernel/printk/printk.c:2504) [ 28.392080][ T37] ? snapshot_read.cold (user.c:?) [ 28.392085][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.392089][ T37] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 28.392093][ T37] br_init_port (net/bridge/br_stp_if.c:39) [ 28.392096][ T37] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 28.392098][ T37] br_port_carrier_check (net/bridge/br_if.c:90) [ 28.392101][ T37] br_device_event (net/bridge/br.c:101) [ 28.392104][ T37] ? packet_sendmsg_spkt (af_packet.c:?) [ 28.392106][ T37] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 28.392113][ T37] notifier_call_chain (kernel/notifier.c:85) [ 28.392119][ T37] netif_state_change (net/core/dev.c:1625) [ 28.392123][ T37] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 28.392127][ T37] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 28.392130][ T37] __linkwatch_run_queue (net/core/link_watch.c:240) [ 28.392133][ T37] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 28.392136][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.392141][ T37] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 28.392143][ T37] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 28.392147][ T37] process_one_work (kernel/workqueue.c:3387) [ 28.392153][ T37] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 28.392155][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.392163][ T37] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 28.392170][ T37] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 28.392171][ T37] kthread (kernel/kthread.c:436) [ 28.392173][ T37] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 28.392177][ T37] ? kthread_affine_preferred (kernel/kthread.c:857) [ 28.392180][ T37] ret_from_fork (arch/x86/kernel/process.c:158) [ 28.392184][ T37] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 28.392188][ T37] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 28.392191][ T37] ? kthread_affine_preferred (kernel/kthread.c:857) [ 28.392194][ T37] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 29.584849][ T289] softirqs last disabled at (54944): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 29.584851][ T289] Preemption disabled at: | [ 29.584852][ T289] vprintk_emit (kernel/printk/printk.c:2471) | [ 29.584860][ T289] Tainted: [W]=WARN [ 29.584861][ T289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.584863][ T289] Call Trace: [ 29.584865][ T289] [ 29.584866][ T289] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.584870][ T289] ? vprintk_emit (kernel/printk/printk.c:2471) [ 29.584872][ T289] __might_resched.cold (kernel/sched/core.c:9234) [ 29.584876][ T289] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.584879][ T289] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.584884][ T289] __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)) [ 29.584886][ T289] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.584892][ T289] ? 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) [ 29.584894][ T289] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.584897][ T289] put_chars (drivers/char/virtio_console.c:1176) [ 29.584900][ T289] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.584904][ T289] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.584907][ T289] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.584910][ T289] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.584914][ T289] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.584917][ T289] ? mark_usage (kernel/locking/lockdep.c:4690) [ 29.584919][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.584921][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.584925][ T289] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.584928][ T289] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 29.584930][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.584932][ T289] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.584936][ T289] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.584940][ T289] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.584943][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.584945][ T289] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.584949][ T289] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.584953][ T289] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.584954][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.584959][ T289] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.584962][ T289] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.584963][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.584965][ T289] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 29.584968][ T289] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.584970][ T289] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.584973][ T289] vprintk_emit (kernel/printk/printk.c:2479) [ 29.584976][ T289] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.584981][ T289] _printk (kernel/printk/printk.c:2504) [ 29.584984][ T289] ? snapshot_read.cold (user.c:?) [ 29.584988][ T289] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 29.584989][ T289] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 29.584993][ T289] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 29.584995][ T289] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 29.584998][ T289] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 29.585001][ T289] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 29.585003][ T289] ? netdev_notice (net/core/dev.c:13194) [ 29.585008][ T289] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 29.585010][ T289] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 29.585014][ T289] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 29.585018][ T289] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 29.585023][ T289] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 29.585026][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 29.585028][ T289] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.585031][ T289] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.585038][ T289] ? packet_sendmsg_spkt (af_packet.c:?) [ 29.585043][ T289] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 29.585044][ T289] ? 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)) [ 29.585047][ T289] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 29.585052][ T289] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 29.585057][ T289] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 29.585059][ T289] ? 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) [ 29.585061][ T289] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 29.585062][ T289] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 29.585069][ T289] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 29.585071][ T289] ? mark_usage (kernel/locking/lockdep.c:4690) [ 29.585073][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.585075][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.585077][ T289] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 29.585098][ T289] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.585100][ T289] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.585103][ T289] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.585105][ T289] ? mark_usage (kernel/locking/lockdep.c:4690) [ 29.585108][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.585112][ T289] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.585114][ T289] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.585116][ T289] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 29.585118][ T289] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.585122][ T289] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 29.585125][ T289] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 29.585128][ T289] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 29.585130][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.585134][ T289] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.585137][ T289] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.585140][ T289] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 29.585143][ T289] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 29.585146][ T289] ? netlink_ack (./include/linux/skbuff.h:2718) [ 29.585152][ T289] ? 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)) [ 29.585154][ T289] ? 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)) [ 29.585158][ T289] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 29.585161][ T289] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.585164][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.585168][ T289] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 29.585172][ T289] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.585176][ T289] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 29.585182][ T289] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 29.585185][ T289] ? copy_msghdr_from_user (net/socket.c:2650) [ 29.585187][ T289] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 29.585188][ T289] ? move_addr_to_kernel (net/socket.c:258) [ 29.585195][ T289] ___sys_sendmsg (net/socket.c:2767) [ 29.585197][ T289] ? copy_msghdr_from_user (net/socket.c:2619) [ 29.585212][ T289] __sys_sendmsg (net/socket.c:2799) [ 29.585215][ T289] ? __sys_sendmsg_sock (net/socket.c:2780) [ 29.585221][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.585224][ T289] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.585225][ T289] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 29.585228][ T289] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 29.585230][ T289] RIP: 0033:0x7fae2d73354e [ 29.585234][ T289] 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 [ 29.585235][ T289] RSP: 002b:00007fff5af55390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 29.585238][ T289] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fae2d73354e [ 29.585239][ T289] RDX: 0000000000000000 RSI: 00007fff5af55440 RDI: 0000000000000005 [ 29.585240][ T289] RBP: 00007fff5af553a0 R08: 0000000000000000 R09: 0000000000000000 [ 29.585241][ T289] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919f64 [ 29.585242][ T289] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5af55b00 | [ 31.254962][ T303] softirqs last disabled at (42196): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 31.254964][ T303] Preemption disabled at: | [ 31.254964][ T303] 0x0 | [ 31.254975][ T303] Tainted: [W]=WARN [ 31.254976][ T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.254977][ T303] Call Trace: [ 31.254979][ T303] [ 31.254980][ T303] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.254986][ T303] __might_resched.cold (kernel/sched/core.c:9234) [ 31.254990][ T303] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.254993][ T303] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 31.254998][ T303] __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)) [ 31.255001][ T303] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.255007][ T303] ? 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) [ 31.255009][ T303] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.255013][ T303] put_chars (drivers/char/virtio_console.c:1176) [ 31.255015][ T303] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 31.255018][ T303] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.255025][ T303] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.255032][ T303] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.255035][ T303] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.255040][ T303] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.255043][ T303] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.255046][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.255049][ T303] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.255053][ T303] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.255057][ T303] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.255058][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.255064][ T303] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.255066][ T303] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.255067][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.255069][ T303] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 31.255073][ T303] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.255075][ T303] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.255078][ T303] vprintk_emit (kernel/printk/printk.c:2479) [ 31.255081][ T303] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.255082][ T303] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 31.255085][ T303] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 31.255087][ T303] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 31.255092][ T303] _printk (kernel/printk/printk.c:2504) [ 31.255094][ T303] ? snapshot_read.cold (user.c:?) [ 31.255102][ T303] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 31.255105][ T303] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 31.255109][ T303] br_device_event (net/bridge/br.c:111) [ 31.255111][ T303] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 31.255115][ T303] ? packet_sendmsg_spkt (af_packet.c:?) [ 31.255120][ T303] notifier_call_chain (kernel/notifier.c:85) [ 31.255126][ T303] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 31.255130][ T303] ? netif_change_name (net/core/dev.c:1517) [ 31.255133][ T303] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 31.255135][ T303] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 31.255138][ T303] ? __kernel_text_address (kernel/extable.c:79) [ 31.255141][ T303] ? write_profile (profile.c:?) [ 31.255145][ T303] netif_change_flags (net/core/dev.c:9882) [ 31.255149][ T303] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 31.255153][ T303] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 31.255155][ T303] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 31.255157][ T303] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 31.255159][ T303] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 31.255162][ T303] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 31.255164][ T303] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 31.255166][ T303] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 31.255169][ T303] ? kasan_save_stack (mm/kasan/common.c:58) [ 31.255171][ T303] ? kasan_save_stack (mm/kasan/common.c:57) [ 31.255172][ T303] ? kasan_save_track (mm/kasan/common.c:78) [ 31.255174][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.255176][ T303] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 31.255179][ T303] ? ___sys_sendmsg (net/socket.c:2757) [ 31.255183][ T303] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.255185][ T303] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 31.255188][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.255190][ T303] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.255192][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.255194][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.255195][ T303] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 31.255198][ T303] ? __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) [ 31.255200][ T303] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 31.255202][ T303] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 31.255205][ T303] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 31.255210][ T303] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 31.255216][ T303] rtnl_newlink (net/core/rtnetlink.c:4215) [ 31.255222][ T303] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.255224][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.255228][ T303] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.255230][ T303] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.255233][ T303] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.255235][ T303] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.255239][ T303] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.255241][ T303] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 31.255245][ T303] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.255247][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.255251][ T303] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.255253][ T303] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.255257][ T303] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 31.255259][ T303] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.255262][ T303] ? netlink_ack (./include/linux/skbuff.h:2718) [ 31.255268][ T303] ? 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)) [ 31.255270][ T303] ? 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)) [ 31.255274][ T303] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 31.255277][ T303] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 31.255280][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.255284][ T303] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 31.255288][ T303] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 31.255292][ T303] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 31.255297][ T303] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 31.255300][ T303] ? copy_msghdr_from_user (net/socket.c:2650) [ 31.255302][ T303] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 31.255303][ T303] ? move_addr_to_kernel (net/socket.c:258) [ 31.255310][ T303] ___sys_sendmsg (net/socket.c:2767) [ 31.255312][ T303] ? copy_msghdr_from_user (net/socket.c:2619) [ 31.255331][ T303] __sys_sendmsg (net/socket.c:2799) [ 31.255334][ T303] ? __sys_sendmsg_sock (net/socket.c:2780) [ 31.255340][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.255343][ T303] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.255345][ T303] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.255348][ T303] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.255350][ T303] RIP: 0033:0x7f28cb73354e [ 31.255353][ T303] 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 [ 31.255354][ T303] RSP: 002b:00007ffc18cd1b20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 31.255357][ T303] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f28cb73354e [ 31.255358][ T303] RDX: 0000000000000000 RSI: 00007ffc18cd1bd0 RDI: 0000000000000005 [ 31.255359][ T303] RBP: 00007ffc18cd1b30 R08: 0000000000000000 R09: 0000000000000000 [ 31.255360][ T303] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919f65 [ 31.255361][ T303] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc18cd2290 | [ 33.362224][ T36] softirqs last disabled at (99948): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 33.362227][ T36] Preemption disabled at: | [ 33.362227][ T36] 0x0 | [ 33.362237][ T36] Tainted: [W]=WARN [ 33.362238][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.362239][ T36] Workqueue: events_unbound linkwatch_event [ 33.362243][ T36] Call Trace: [ 33.362244][ T36] [ 33.362246][ T36] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.362251][ T36] __might_resched.cold (kernel/sched/core.c:9234) [ 33.362255][ T36] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.362259][ T36] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 33.362264][ T36] __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)) [ 33.362266][ T36] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.362272][ T36] ? 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) [ 33.362274][ T36] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.362277][ T36] put_chars (drivers/char/virtio_console.c:1176) [ 33.362280][ T36] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.362284][ T36] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 33.362290][ T36] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.362297][ T36] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.362300][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.362302][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.362307][ T36] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.362310][ T36] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.362314][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.362316][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.362320][ T36] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.362324][ T36] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.362325][ T36] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.362331][ T36] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.362333][ T36] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.362335][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.362341][ T36] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.362345][ T36] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.362346][ T36] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.362349][ T36] vprintk_emit (kernel/printk/printk.c:2479) [ 33.362353][ T36] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.362355][ T36] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.362357][ T36] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.362362][ T36] _printk (kernel/printk/printk.c:2504) [ 33.362365][ T36] ? snapshot_read.cold (user.c:?) [ 33.362370][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.362375][ T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 33.362378][ T36] br_init_port (net/bridge/br_stp_if.c:39) [ 33.362381][ T36] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 33.362383][ T36] br_port_carrier_check (net/bridge/br_if.c:90) [ 33.362386][ T36] br_device_event (net/bridge/br.c:101) [ 33.362389][ T36] ? packet_sendmsg_spkt (af_packet.c:?) [ 33.362391][ T36] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 33.362397][ T36] notifier_call_chain (kernel/notifier.c:85) [ 33.362403][ T36] netif_state_change (net/core/dev.c:1625) [ 33.362407][ T36] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 33.362412][ T36] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 33.362414][ T36] __linkwatch_run_queue (net/core/link_watch.c:240) [ 33.362418][ T36] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 33.362421][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.362425][ T36] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 33.362428][ T36] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 33.362432][ T36] process_one_work (kernel/workqueue.c:3387) [ 33.362438][ T36] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 33.362440][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.362448][ T36] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 33.362454][ T36] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 33.362456][ T36] kthread (kernel/kthread.c:436) [ 33.362458][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.362462][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.362465][ T36] ret_from_fork (arch/x86/kernel/process.c:158) [ 33.362469][ T36] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 33.362473][ T36] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 33.362476][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.362479][ T36] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 34.589516][ T311] softirqs last disabled at (44654): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 34.589518][ T311] Preemption disabled at: | [ 34.589519][ T311] vprintk_emit (kernel/printk/printk.c:2471) | [ 34.589527][ T311] Tainted: [W]=WARN [ 34.589528][ T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.589529][ T311] Call Trace: [ 34.589531][ T311] [ 34.589532][ T311] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.589537][ T311] ? vprintk_emit (kernel/printk/printk.c:2471) [ 34.589538][ T311] __might_resched.cold (kernel/sched/core.c:9234) [ 34.589542][ T311] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.589546][ T311] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 34.589550][ T311] __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)) [ 34.589553][ T311] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.589558][ T311] ? 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) [ 34.589560][ T311] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.589564][ T311] put_chars (drivers/char/virtio_console.c:1176) [ 34.589567][ T311] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.589570][ T311] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 34.589573][ T311] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.589576][ T311] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 34.589580][ T311] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.589583][ T311] ? mark_usage (kernel/locking/lockdep.c:4690) [ 34.589585][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.589587][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.589591][ T311] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.589594][ T311] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 34.589597][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.589599][ T311] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.589603][ T311] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.589606][ T311] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.589610][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.589612][ T311] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.589616][ T311] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.589619][ T311] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.589621][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.589626][ T311] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.589629][ T311] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.589630][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.589632][ T311] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 34.589636][ T311] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.589637][ T311] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.589640][ T311] vprintk_emit (kernel/printk/printk.c:2479) [ 34.589643][ T311] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.589649][ T311] _printk (kernel/printk/printk.c:2504) [ 34.589652][ T311] ? snapshot_read.cold (user.c:?) [ 34.589655][ T311] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 34.589657][ T311] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 34.589660][ T311] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 34.589663][ T311] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 34.589666][ T311] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 34.589669][ T311] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 34.589671][ T311] ? netdev_notice (net/core/dev.c:13194) [ 34.589676][ T311] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 34.589679][ T311] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 34.589683][ T311] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 34.589686][ T311] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 34.589692][ T311] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 34.589695][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 34.589697][ T311] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.589700][ T311] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.589708][ T311] ? packet_sendmsg_spkt (af_packet.c:?) [ 34.589713][ T311] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 34.589714][ T311] ? 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)) [ 34.589717][ T311] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 34.589722][ T311] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 34.589728][ T311] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 34.589729][ T311] ? 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) [ 34.589731][ T311] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 34.589733][ T311] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 34.589740][ T311] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 34.589742][ T311] ? mark_usage (kernel/locking/lockdep.c:4690) [ 34.589744][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.589746][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.589748][ T311] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 34.589770][ T311] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.589772][ T311] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.589775][ T311] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.589777][ T311] ? mark_usage (kernel/locking/lockdep.c:4690) [ 34.589779][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.589784][ T311] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.589786][ T311] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.589788][ T311] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 34.589790][ T311] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.589794][ T311] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 34.589796][ T311] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 34.589800][ T311] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 34.589802][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.589806][ T311] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.589808][ T311] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.589814][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 34.589816][ T311] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 34.589820][ T311] ? netlink_ack (./include/linux/skbuff.h:2718) [ 34.589826][ T311] ? 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)) [ 34.589827][ T311] ? 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)) [ 34.589831][ T311] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 34.589835][ T311] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 34.589838][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.589842][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 34.589845][ T311] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 34.589849][ T311] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 34.589855][ T311] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 34.589858][ T311] ? copy_msghdr_from_user (net/socket.c:2650) [ 34.589860][ T311] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 34.589861][ T311] ? move_addr_to_kernel (net/socket.c:258) [ 34.589868][ T311] ___sys_sendmsg (net/socket.c:2767) [ 34.589871][ T311] ? copy_msghdr_from_user (net/socket.c:2619) [ 34.589885][ T311] __sys_sendmsg (net/socket.c:2799) [ 34.589888][ T311] ? __sys_sendmsg_sock (net/socket.c:2780) [ 34.589894][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.589897][ T311] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 34.589899][ T311] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 34.589901][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 34.589903][ T311] RIP: 0033:0x7f4b0d7e454e [ 34.589907][ T311] 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 [ 34.589909][ T311] RSP: 002b:00007fffd6f64d30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.589911][ T311] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4b0d7e454e [ 34.589913][ T311] RDX: 0000000000000000 RSI: 00007fffd6f64de0 RDI: 0000000000000005 [ 34.589913][ T311] RBP: 00007fffd6f64d40 R08: 0000000000000000 R09: 0000000000000000 [ 34.589914][ T311] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919f69 [ 34.589915][ T311] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd6f654a0 | [ 36.308646][ T325] softirqs last disabled at (36340): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 36.308649][ T325] Preemption disabled at: | [ 36.308649][ T325] 0x0 | [ 36.308660][ T325] Tainted: [W]=WARN [ 36.308660][ T325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.308662][ T325] Call Trace: [ 36.308664][ T325] [ 36.308665][ T325] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.308671][ T325] __might_resched.cold (kernel/sched/core.c:9234) [ 36.308675][ T325] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.308679][ T325] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 36.308684][ T325] __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)) [ 36.308687][ T325] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.308693][ T325] ? 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) [ 36.308695][ T325] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.308698][ T325] put_chars (drivers/char/virtio_console.c:1176) [ 36.308701][ T325] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 36.308703][ T325] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.308710][ T325] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.308717][ T325] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.308720][ T325] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.308725][ T325] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.308728][ T325] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.308732][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.308735][ T325] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.308739][ T325] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.308743][ T325] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.308744][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.308750][ T325] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.308752][ T325] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.308754][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.308755][ T325] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 36.308759][ T325] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.308761][ T325] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.308764][ T325] vprintk_emit (kernel/printk/printk.c:2479) [ 36.308767][ T325] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.308768][ T325] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 36.308771][ T325] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.308773][ T325] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.308778][ T325] _printk (kernel/printk/printk.c:2504) [ 36.308781][ T325] ? snapshot_read.cold (user.c:?) [ 36.308788][ T325] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 36.308792][ T325] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 36.308796][ T325] br_device_event (net/bridge/br.c:111) [ 36.308798][ T325] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 36.308802][ T325] ? packet_sendmsg_spkt (af_packet.c:?) [ 36.308807][ T325] notifier_call_chain (kernel/notifier.c:85) [ 36.308815][ T325] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 36.308820][ T325] ? netif_change_name (net/core/dev.c:1517) [ 36.308822][ T325] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 36.308825][ T325] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 36.308828][ T325] ? __kernel_text_address (kernel/extable.c:79) [ 36.308830][ T325] ? write_profile (profile.c:?) [ 36.308835][ T325] netif_change_flags (net/core/dev.c:9882) [ 36.308838][ T325] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 36.308842][ T325] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 36.308844][ T325] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 36.308846][ T325] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 36.308848][ T325] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 36.308851][ T325] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.308853][ T325] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.308855][ T325] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 36.308858][ T325] ? kasan_save_stack (mm/kasan/common.c:58) [ 36.308860][ T325] ? kasan_save_stack (mm/kasan/common.c:57) [ 36.308861][ T325] ? kasan_save_track (mm/kasan/common.c:78) [ 36.308863][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.308865][ T325] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 36.308868][ T325] ? ___sys_sendmsg (net/socket.c:2757) [ 36.308873][ T325] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.308875][ T325] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 36.308878][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.308880][ T325] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.308881][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.308883][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.308884][ T325] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 36.308887][ T325] ? __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) [ 36.308889][ T325] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 36.308891][ T325] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 36.308894][ T325] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 36.308899][ T325] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 36.308905][ T325] rtnl_newlink (net/core/rtnetlink.c:4215) [ 36.308911][ T325] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.308913][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.308917][ T325] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.308920][ T325] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.308922][ T325] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.308924][ T325] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.308928][ T325] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.308930][ T325] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 36.308934][ T325] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.308936][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.308940][ T325] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.308942][ T325] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.308946][ T325] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.308948][ T325] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.308951][ T325] ? netlink_ack (./include/linux/skbuff.h:2718) [ 36.308957][ T325] ? 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)) [ 36.308958][ T325] ? 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)) [ 36.308963][ T325] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.308966][ T325] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 36.308969][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.308973][ T325] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.308977][ T325] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 36.308981][ T325] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 36.308986][ T325] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 36.308988][ T325] ? copy_msghdr_from_user (net/socket.c:2650) [ 36.308990][ T325] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 36.308992][ T325] ? move_addr_to_kernel (net/socket.c:258) [ 36.308998][ T325] ___sys_sendmsg (net/socket.c:2767) [ 36.309001][ T325] ? copy_msghdr_from_user (net/socket.c:2619) [ 36.309016][ T325] __sys_sendmsg (net/socket.c:2799) [ 36.309019][ T325] ? __sys_sendmsg_sock (net/socket.c:2780) [ 36.309025][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.309028][ T325] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.309029][ T325] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 36.309032][ T325] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.309035][ T325] RIP: 0033:0x7f065fe5854e [ 36.309037][ T325] 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 [ 36.309038][ T325] RSP: 002b:00007ffe4f64afb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.309041][ T325] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f065fe5854e [ 36.309042][ T325] RDX: 0000000000000000 RSI: 00007ffe4f64b060 RDI: 0000000000000005 [ 36.309043][ T325] RBP: 00007ffe4f64afc0 R08: 0000000000000000 R09: 0000000000000000 [ 36.309044][ T325] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919f6a [ 36.309045][ T325] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4f64b720 | [ 38.428737][ T36] softirqs last disabled at (132536): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 38.428739][ T36] Preemption disabled at: | [ 38.428740][ T36] 0x0 | [ 38.428750][ T36] Tainted: [W]=WARN [ 38.428751][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.428753][ T36] Workqueue: events_unbound linkwatch_event [ 38.428756][ T36] Call Trace: [ 38.428758][ T36] [ 38.428759][ T36] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.428765][ T36] __might_resched.cold (kernel/sched/core.c:9234) [ 38.428769][ T36] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.428772][ T36] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 38.428777][ T36] __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)) [ 38.428780][ T36] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.428785][ T36] ? 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) [ 38.428787][ T36] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.428791][ T36] put_chars (drivers/char/virtio_console.c:1176) [ 38.428794][ T36] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.428797][ T36] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.428803][ T36] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.428812][ T36] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.428815][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.428817][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.428822][ T36] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.428825][ T36] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.428829][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.428831][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.428835][ T36] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.428839][ T36] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.428840][ T36] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.428846][ T36] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.428848][ T36] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.428849][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.428851][ T36] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 38.428855][ T36] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.428857][ T36] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.428860][ T36] vprintk_emit (kernel/printk/printk.c:2479) [ 38.428863][ T36] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.428866][ T36] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.428868][ T36] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.428873][ T36] _printk (kernel/printk/printk.c:2504) [ 38.428876][ T36] ? snapshot_read.cold (user.c:?) [ 38.428881][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.428885][ T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 38.428889][ T36] br_init_port (net/bridge/br_stp_if.c:39) [ 38.428892][ T36] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 38.428894][ T36] br_port_carrier_check (net/bridge/br_if.c:90) [ 38.428898][ T36] br_device_event (net/bridge/br.c:101) [ 38.428901][ T36] ? packet_sendmsg_spkt (af_packet.c:?) [ 38.428903][ T36] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 38.428909][ T36] notifier_call_chain (kernel/notifier.c:85) [ 38.428915][ T36] netif_state_change (net/core/dev.c:1625) [ 38.428919][ T36] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 38.428924][ T36] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 38.428926][ T36] __linkwatch_run_queue (net/core/link_watch.c:240) [ 38.428930][ T36] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 38.428933][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.428937][ T36] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 38.428940][ T36] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 38.428944][ T36] process_one_work (kernel/workqueue.c:3387) [ 38.428950][ T36] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 38.428952][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.428960][ T36] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 38.428966][ T36] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.428968][ T36] kthread (kernel/kthread.c:436) [ 38.428971][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.428974][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.428977][ T36] ret_from_fork (arch/x86/kernel/process.c:158) [ 38.428982][ T36] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 38.428985][ T36] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 38.428988][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.428991][ T36] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 39.759275][ T333] softirqs last disabled at (57127): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 39.759278][ T333] Preemption disabled at: | [ 39.759278][ T333] vprintk_emit (kernel/printk/printk.c:2471) | [ 39.759286][ T333] Tainted: [W]=WARN [ 39.759287][ T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.759288][ T333] Call Trace: [ 39.759290][ T333] [ 39.759292][ T333] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.759297][ T333] ? vprintk_emit (kernel/printk/printk.c:2471) [ 39.759298][ T333] __might_resched.cold (kernel/sched/core.c:9234) [ 39.759302][ T333] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.759305][ T333] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 39.759310][ T333] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 39.759313][ T333] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.759318][ T333] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 39.759320][ T333] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.759324][ T333] put_chars (drivers/char/virtio_console.c:1176) [ 39.759327][ T333] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.759330][ T333] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.759334][ T333] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.759336][ T333] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 39.759341][ T333] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.759344][ T333] ? mark_usage (kernel/locking/lockdep.c:4690) [ 39.759346][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.759348][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.759352][ T333] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.759355][ T333] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 39.759358][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.759360][ T333] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.759364][ T333] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.759367][ T333] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.759371][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.759377][ T333] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.759381][ T333] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.759384][ T333] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.759386][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.759391][ T333] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.759393][ T333] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.759395][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.759397][ T333] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 39.759401][ T333] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.759403][ T333] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.759405][ T333] vprintk_emit (kernel/printk/printk.c:2479) [ 39.759408][ T333] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.759413][ T333] _printk (kernel/printk/printk.c:2504) [ 39.759416][ T333] ? snapshot_read.cold (user.c:?) [ 39.759420][ T333] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 39.759422][ T333] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 39.759425][ T333] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 39.759427][ T333] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 39.759430][ T333] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 39.759434][ T333] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 39.759436][ T333] ? netdev_notice (net/core/dev.c:13194) [ 39.759440][ T333] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 39.759443][ T333] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 39.759447][ T333] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 39.759451][ T333] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 39.759456][ T333] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 39.759459][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 39.759461][ T333] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.759464][ T333] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.759471][ T333] ? packet_sendmsg_spkt (af_packet.c:?) [ 39.759476][ T333] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 39.759478][ T333] ? 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)) [ 39.759481][ T333] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 39.759486][ T333] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 39.759491][ T333] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 39.759493][ T333] ? 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) [ 39.759495][ T333] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 39.759497][ T333] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 39.759503][ T333] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 39.759505][ T333] ? mark_usage (kernel/locking/lockdep.c:4690) [ 39.759507][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.759509][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.759511][ T333] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 39.759532][ T333] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.759534][ T333] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.759537][ T333] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.759539][ T333] ? mark_usage (kernel/locking/lockdep.c:4690) [ 39.759541][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.759546][ T333] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.759548][ T333] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.759550][ T333] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 39.759552][ T333] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.759556][ T333] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 39.759558][ T333] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 39.759562][ T333] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 39.759564][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.759568][ T333] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.759570][ T333] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.759574][ T333] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 39.759577][ T333] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 39.759580][ T333] ? netlink_ack (./include/linux/skbuff.h:2718) [ 39.759586][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 39.759588][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 39.759592][ T333] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 39.759595][ T333] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 39.759598][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.759602][ T333] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 39.759606][ T333] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 39.759610][ T333] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 39.759615][ T333] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 39.759618][ T333] ? copy_msghdr_from_user (net/socket.c:2650) [ 39.759620][ T333] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 39.759622][ T333] ? move_addr_to_kernel (net/socket.c:258) [ 39.759628][ T333] ___sys_sendmsg (net/socket.c:2767) [ 39.759631][ T333] ? copy_msghdr_from_user (net/socket.c:2619) [ 39.759646][ T333] __sys_sendmsg (net/socket.c:2799) [ 39.759648][ T333] ? __sys_sendmsg_sock (net/socket.c:2780) [ 39.759654][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.759657][ T333] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 39.759659][ T333] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 39.759661][ T333] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 39.759664][ T333] RIP: 0033:0x7f5099b7654e [ 39.759667][ T333] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 39.759669][ T333] RSP: 002b:00007ffea9603910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 39.759671][ T333] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5099b7654e [ 39.759673][ T333] RDX: 0000000000000000 RSI: 00007ffea96039c0 RDI: 0000000000000005 [ 39.759674][ T333] RBP: 00007ffea9603920 R08: 0000000000000000 R09: 0000000000000000 [ 39.759674][ T333] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919f6e [ 39.759675][ T333] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea9604080 | [ 41.411318][ T348] softirqs last disabled at (37892): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 41.411320][ T348] Preemption disabled at: | [ 41.411321][ T348] 0x0 | [ 41.411331][ T348] Tainted: [W]=WARN [ 41.411332][ T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.411334][ T348] Call Trace: [ 41.411335][ T348] [ 41.411337][ T348] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.411342][ T348] __might_resched.cold (kernel/sched/core.c:9234) [ 41.411347][ T348] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.411351][ T348] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 41.411356][ T348] __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)) [ 41.411358][ T348] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.411365][ T348] ? 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) [ 41.411367][ T348] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.411370][ T348] put_chars (drivers/char/virtio_console.c:1176) [ 41.411373][ T348] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 41.411375][ T348] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.411386][ T348] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.411393][ T348] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.411397][ T348] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.411401][ T348] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.411405][ T348] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.411409][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.411412][ T348] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.411416][ T348] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.411420][ T348] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.411421][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.411427][ T348] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.411429][ T348] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.411431][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.411433][ T348] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 41.411436][ T348] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.411438][ T348] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.411441][ T348] vprintk_emit (kernel/printk/printk.c:2479) [ 41.411444][ T348] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.411446][ T348] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 41.411449][ T348] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.411451][ T348] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.411456][ T348] _printk (kernel/printk/printk.c:2504) [ 41.411459][ T348] ? snapshot_read.cold (user.c:?) [ 41.411466][ T348] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 41.411471][ T348] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 41.411474][ T348] br_device_event (net/bridge/br.c:111) [ 41.411477][ T348] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 41.411481][ T348] ? packet_sendmsg_spkt (af_packet.c:?) [ 41.411486][ T348] notifier_call_chain (kernel/notifier.c:85) [ 41.411492][ T348] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 41.411497][ T348] ? netif_change_name (net/core/dev.c:1517) [ 41.411499][ T348] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 41.411502][ T348] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 41.411505][ T348] ? __kernel_text_address (kernel/extable.c:79) [ 41.411507][ T348] ? write_profile (profile.c:?) [ 41.411512][ T348] netif_change_flags (net/core/dev.c:9882) [ 41.411515][ T348] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 41.411519][ T348] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 41.411521][ T348] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 41.411523][ T348] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 41.411525][ T348] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 41.411528][ T348] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.411530][ T348] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.411532][ T348] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.411535][ T348] ? kasan_save_stack (mm/kasan/common.c:58) [ 41.411537][ T348] ? kasan_save_stack (mm/kasan/common.c:57) [ 41.411538][ T348] ? kasan_save_track (mm/kasan/common.c:78) [ 41.411541][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.411543][ T348] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 41.411546][ T348] ? ___sys_sendmsg (net/socket.c:2757) [ 41.411550][ T348] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.411553][ T348] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 41.411556][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.411558][ T348] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.411559][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.411561][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.411563][ T348] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 41.411565][ T348] ? __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) [ 41.411567][ T348] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 41.411569][ T348] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 41.411572][ T348] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 41.411577][ T348] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 41.411583][ T348] rtnl_newlink (net/core/rtnetlink.c:4215) [ 41.411589][ T348] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.411591][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.411596][ T348] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.411598][ T348] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.411600][ T348] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.411602][ T348] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.411606][ T348] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.411609][ T348] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 41.411612][ T348] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.411614][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.411619][ T348] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.411621][ T348] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.411625][ T348] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 41.411626][ T348] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.411630][ T348] ? netlink_ack (./include/linux/skbuff.h:2718) [ 41.411636][ T348] ? 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)) [ 41.411637][ T348] ? 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)) [ 41.411642][ T348] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 41.411645][ T348] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 41.411648][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.411652][ T348] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 41.411656][ T348] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 41.411660][ T348] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 41.411666][ T348] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 41.411668][ T348] ? copy_msghdr_from_user (net/socket.c:2650) [ 41.411670][ T348] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 41.411671][ T348] ? move_addr_to_kernel (net/socket.c:258) [ 41.411678][ T348] ___sys_sendmsg (net/socket.c:2767) [ 41.411680][ T348] ? copy_msghdr_from_user (net/socket.c:2619) [ 41.411696][ T348] __sys_sendmsg (net/socket.c:2799) [ 41.411698][ T348] ? __sys_sendmsg_sock (net/socket.c:2780) [ 41.411704][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.411708][ T348] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 41.411710][ T348] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 41.411713][ T348] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 41.411715][ T348] RIP: 0033:0x7f17b21a054e [ 41.411717][ T348] 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 [ 41.411719][ T348] RSP: 002b:00007ffec298f290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 41.411721][ T348] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f17b21a054e [ 41.411723][ T348] RDX: 0000000000000000 RSI: 00007ffec298f340 RDI: 0000000000000005 [ 41.411724][ T348] RBP: 00007ffec298f2a0 R08: 0000000000000000 R09: 0000000000000000 [ 41.411724][ T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919f6f [ 41.411725][ T348] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec298fa00 | [ 43.531527][ T36] softirqs last disabled at (161492): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 43.531529][ T36] Preemption disabled at: | [ 43.531530][ T36] 0x0 | [ 43.531541][ T36] Tainted: [W]=WARN [ 43.531542][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.531543][ T36] Workqueue: events_unbound linkwatch_event [ 43.531547][ T36] Call Trace: [ 43.531549][ T36] [ 43.531551][ T36] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.531556][ T36] __might_resched.cold (kernel/sched/core.c:9234) [ 43.531561][ T36] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.531564][ T36] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 43.531569][ T36] __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)) [ 43.531572][ T36] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.531578][ T36] ? 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) [ 43.531581][ T36] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.531585][ T36] put_chars (drivers/char/virtio_console.c:1176) [ 43.531588][ T36] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.531591][ T36] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.531597][ T36] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.531605][ T36] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.531608][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.531611][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.531615][ T36] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.531619][ T36] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.531623][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.531625][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.531629][ T36] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.531633][ T36] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.531634][ T36] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.531640][ T36] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.531642][ T36] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.531643][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.531645][ T36] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.531649][ T36] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.531651][ T36] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.531654][ T36] vprintk_emit (kernel/printk/printk.c:2479) [ 43.531658][ T36] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.531660][ T36] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.531662][ T36] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.531667][ T36] _printk (kernel/printk/printk.c:2504) [ 43.531671][ T36] ? snapshot_read.cold (user.c:?) [ 43.531676][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.531680][ T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 43.531684][ T36] br_init_port (net/bridge/br_stp_if.c:39) [ 43.531687][ T36] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 43.531689][ T36] br_port_carrier_check (net/bridge/br_if.c:90) [ 43.531693][ T36] br_device_event (net/bridge/br.c:101) [ 43.531696][ T36] ? packet_sendmsg_spkt (af_packet.c:?) [ 43.531698][ T36] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 43.531704][ T36] notifier_call_chain (kernel/notifier.c:85) [ 43.531711][ T36] netif_state_change (net/core/dev.c:1625) [ 43.531715][ T36] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 43.531720][ T36] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 43.531722][ T36] __linkwatch_run_queue (net/core/link_watch.c:240) [ 43.531725][ T36] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 43.531729][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.531733][ T36] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 43.531736][ T36] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 43.531739][ T36] process_one_work (kernel/workqueue.c:3387) [ 43.531746][ T36] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 43.531748][ T36] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.531756][ T36] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 43.531762][ T36] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.531764][ T36] kthread (kernel/kthread.c:436) [ 43.531767][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.531770][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.531773][ T36] ret_from_fork (arch/x86/kernel/process.c:158) [ 43.531777][ T36] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 43.531781][ T36] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 43.531784][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.531787][ T36] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 44.862431][ T356] softirqs last disabled at (42898): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 44.862434][ T356] Preemption disabled at: | [ 44.862434][ T356] vprintk_emit (kernel/printk/printk.c:2471) | [ 44.862443][ T356] Tainted: [W]=WARN [ 44.862444][ T356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.862445][ T356] Call Trace: [ 44.862447][ T356] [ 44.862448][ T356] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.862453][ T356] ? vprintk_emit (kernel/printk/printk.c:2471) [ 44.862455][ T356] __might_resched.cold (kernel/sched/core.c:9234) [ 44.862460][ T356] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.862463][ T356] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 44.862468][ T356] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 44.862471][ T356] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.862477][ T356] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 44.862479][ T356] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.862483][ T356] put_chars (drivers/char/virtio_console.c:1176) [ 44.862486][ T356] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.862489][ T356] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.862493][ T356] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.862496][ T356] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.862501][ T356] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.862504][ T356] ? mark_usage (kernel/locking/lockdep.c:4690) [ 44.862506][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.862508][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.862512][ T356] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.862515][ T356] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 44.862518][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.862520][ T356] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.862524][ T356] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.862527][ T356] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.862531][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.862533][ T356] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.862537][ T356] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.862540][ T356] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.862542][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.862547][ T356] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.862549][ T356] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.862551][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.862553][ T356] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 44.862556][ T356] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.862558][ T356] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.862561][ T356] vprintk_emit (kernel/printk/printk.c:2479) [ 44.862564][ T356] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.862569][ T356] _printk (kernel/printk/printk.c:2504) [ 44.862573][ T356] ? snapshot_read.cold (user.c:?) [ 44.862576][ T356] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 44.862578][ T356] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 44.862581][ T356] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 44.862584][ T356] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 44.862587][ T356] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 44.862590][ T356] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 44.862592][ T356] ? netdev_notice (net/core/dev.c:13194) [ 44.862597][ T356] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 44.862600][ T356] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 44.862604][ T356] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 44.862607][ T356] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 44.862612][ T356] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 44.862616][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 44.862618][ T356] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.862621][ T356] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.862627][ T356] ? packet_sendmsg_spkt (af_packet.c:?) [ 44.862633][ T356] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 44.862634][ T356] ? 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)) [ 44.862637][ T356] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 44.862642][ T356] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 44.862647][ T356] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 44.862649][ T356] ? 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) [ 44.862650][ T356] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 44.862652][ T356] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 44.862659][ T356] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 44.862661][ T356] ? mark_usage (kernel/locking/lockdep.c:4690) [ 44.862663][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.862664][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.862667][ T356] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 44.862688][ T356] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.862690][ T356] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.862693][ T356] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.862695][ T356] ? mark_usage (kernel/locking/lockdep.c:4690) [ 44.862697][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.862702][ T356] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.862704][ T356] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.862706][ T356] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 44.862708][ T356] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.862712][ T356] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 44.862714][ T356] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 44.862718][ T356] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 44.862719][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.862724][ T356] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.862726][ T356] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.862730][ T356] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 44.862733][ T356] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 44.862736][ T356] ? netlink_ack (./include/linux/skbuff.h:2718) [ 44.862742][ T356] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 44.862743][ T356] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 44.862748][ T356] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 44.862751][ T356] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 44.862754][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.862758][ T356] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 44.862762][ T356] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 44.862765][ T356] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 44.862771][ T356] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 44.862774][ T356] ? copy_msghdr_from_user (net/socket.c:2650) [ 44.862776][ T356] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 44.862777][ T356] ? move_addr_to_kernel (net/socket.c:258) [ 44.862784][ T356] ___sys_sendmsg (net/socket.c:2767) [ 44.862787][ T356] ? copy_msghdr_from_user (net/socket.c:2619) [ 44.862802][ T356] __sys_sendmsg (net/socket.c:2799) [ 44.862804][ T356] ? __sys_sendmsg_sock (net/socket.c:2780) [ 44.862812][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.862815][ T356] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 44.862817][ T356] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 44.862820][ T356] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 44.862822][ T356] RIP: 0033:0x7f2dabc3e54e [ 44.862826][ T356] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 44.862827][ T356] RSP: 002b:00007ffe26acc310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 44.862830][ T356] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2dabc3e54e [ 44.862832][ T356] RDX: 0000000000000000 RSI: 00007ffe26acc3c0 RDI: 0000000000000005 [ 44.862832][ T356] RBP: 00007ffe26acc320 R08: 0000000000000000 R09: 0000000000000000 [ 44.862833][ T356] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919f73 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