====================================== | [ 9.604205][ T180] softirqs last disabled at (35713): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.604208][ T180] Preemption disabled at: | [ 9.604209][ T180] 0x0 | [ 9.604219][ T180] Tainted: [W]=WARN [ 9.604220][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.604223][ T180] Call Trace: [ 9.604225][ T180] [ 9.604226][ T180] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.604232][ T180] __might_resched.cold (kernel/sched/core.c:9234) [ 9.604237][ T180] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.604240][ T180] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.604246][ T180] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.604248][ T180] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.604255][ T180] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.604257][ T180] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.604261][ T180] put_chars (drivers/char/virtio_console.c:1176) [ 9.604264][ T180] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.604266][ T180] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 9.604269][ T180] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.604273][ T180] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.604278][ T180] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.604281][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.604283][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.604288][ T180] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.604292][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.604294][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.604298][ T180] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.604302][ T180] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.604306][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.604308][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.604315][ T180] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.604319][ T180] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.604320][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.604326][ T180] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.604328][ T180] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.604330][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.604332][ T180] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.604335][ T180] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.604337][ T180] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.604340][ T180] vprintk_emit (kernel/printk/printk.c:2479) [ 9.604344][ T180] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.604347][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.604351][ T180] _printk (kernel/printk/printk.c:2504) [ 9.604354][ T180] ? snapshot_read.cold (user.c:?) [ 9.604357][ T180] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.604359][ T180] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.604363][ T180] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.604365][ T180] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.604369][ T180] ? exit_notify (kernel/exit.c:780) [ 9.604370][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.604373][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.604377][ T180] do_group_exit (kernel/exit.c:1151) [ 9.604380][ T180] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.604382][ T180] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.604385][ T180] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.604388][ T180] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.604391][ T180] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.604393][ T180] RIP: 0033:0x7f7bbc76a1b8 [ 9.604395][ T180] Code: Unable to access opcode bytes at 0x7f7bbc76a18e. Code starting with the faulting instruction =========================================== [ 9.604396][ T180] RSP: 002b:00007ffef7c1ff08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.604399][ T180] RAX: ffffffffffffffda RBX: 00007f7bbc89af88 RCX: 00007f7bbc76a1b8 [ 9.604400][ T180] RDX: 00007f7bbc4b4fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.604401][ T180] RBP: 00007ffef7c1ff60 R08: 0000000000000000 R09: 0000000000008010 [ 9.604402][ T180] R10: 00007ffef7c1fd20 R11: 0000000000000246 R12: 0000000000000001 [ 9.604402][ T180] R13: 0000000000000000 R14: 00007f7bbc899680 R15: 00007f7bbc89afa0 | [ 10.620472][ T227] softirqs last disabled at (52122): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 10.620474][ T227] Preemption disabled at: | [ 10.620475][ T227] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.620484][ T227] Tainted: [W]=WARN [ 10.620485][ T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.620487][ T227] Call Trace: [ 10.620489][ T227] [ 10.620491][ T227] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.620496][ T227] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.620498][ T227] __might_resched.cold (kernel/sched/core.c:9234) [ 10.620503][ T227] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.620506][ T227] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.620512][ T227] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.620515][ T227] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.620521][ T227] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.620523][ T227] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.620527][ T227] put_chars (drivers/char/virtio_console.c:1176) [ 10.620529][ T227] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 10.620532][ T227] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.620538][ T227] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.620546][ T227] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.620549][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.620554][ T227] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.620557][ T227] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.620561][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.620565][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.620569][ T227] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.620573][ T227] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.620574][ T227] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.620580][ T227] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.620582][ T227] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.620584][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.620585][ T227] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.620589][ T227] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.620591][ T227] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.620594][ T227] vprintk_emit (kernel/printk/printk.c:2479) [ 10.620598][ T227] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.620599][ T227] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.620603][ T227] ? xdp_set_features_flag (./include/linux/netdevice.h:2861 net/core/xdp.c:1015) [ 10.620609][ T227] _printk (kernel/printk/printk.c:2504) [ 10.620612][ T227] ? snapshot_read.cold (user.c:?) [ 10.620621][ T227] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 10.620622][ T227] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.620625][ T227] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.620629][ T227] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.620631][ T227] ? netdev_notice (net/core/dev.c:13194) [ 10.620635][ T227] ? bond_lower_state_changed (drivers/net/bonding/bond_main.c:1835) [ 10.620640][ T227] ? netdev_upper_dev_link (net/core/dev.c:9034) [ 10.620645][ T227] bond_enslave.cold (drivers/net/bonding/bond_main.c:2342 (discriminator 7)) [ 10.620653][ T227] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.620656][ T227] ? bond_update_slave_arr (drivers/net/bonding/bond_main.c:5219 (discriminator 9)) [ 10.620657][ T227] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.620659][ T227] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.620661][ T227] ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3)) [ 10.620666][ T227] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.620673][ T227] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.620676][ T227] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.620682][ T227] do_set_master (net/core/rtnetlink.c:3071) [ 10.620686][ T227] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.620690][ T227] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.620693][ T227] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.620695][ T227] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.620698][ T227] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.620701][ T227] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.620704][ T227] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.620706][ T227] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.620709][ T227] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.620711][ T227] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.620712][ T227] ? kasan_save_track (mm/kasan/common.c:78) [ 10.620715][ T227] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.620717][ T227] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 10.620720][ T227] ? ___sys_sendmsg (net/socket.c:2757) [ 10.620723][ T227] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.620726][ T227] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.620729][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.620730][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.620732][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.620733][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.620735][ T227] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.620738][ T227] ? __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) [ 10.620739][ T227] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.620741][ T227] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.620745][ T227] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.620746][ T227] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.620752][ T227] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.620758][ T227] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.620764][ T227] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.620766][ T227] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.620771][ T227] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.620773][ T227] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.620775][ T227] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.620777][ T227] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.620781][ T227] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.620784][ T227] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.620787][ T227] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.620789][ T227] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.620794][ T227] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.620796][ T227] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.620799][ T227] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.620801][ T227] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.620805][ T227] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.620811][ T227] ? 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)) [ 10.620812][ T227] ? 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)) [ 10.620816][ T227] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.620820][ T227] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.620823][ T227] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.620827][ T227] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.620831][ T227] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.620835][ T227] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.620840][ T227] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 10.620842][ T227] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.620844][ T227] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 10.620846][ T227] ? move_addr_to_kernel (net/socket.c:258) [ 10.620853][ T227] ___sys_sendmsg (net/socket.c:2767) [ 10.620855][ T227] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.620870][ T227] __sys_sendmsg (net/socket.c:2799) [ 10.620873][ T227] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.620879][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.620882][ T227] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.620884][ T227] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.620887][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.620890][ T227] RIP: 0033:0x7f7c14f2854e [ 10.620894][ T227] 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 [ 10.620895][ T227] RSP: 002b:00007fff97cdb8d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.620898][ T227] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7c14f2854e [ 10.620899][ T227] RDX: 0000000000000000 RSI: 00007fff97cdb980 RDI: 0000000000000005 [ 10.620900][ T227] RBP: 00007fff97cdb8e0 R08: 0000000000000000 R09: 0000000000000000 [ 10.620901][ T227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185a4 [ 10.620902][ T227] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff97cdc040 | [ 11.953605][ T233] softirqs last disabled at (33254): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 11.953608][ T233] Preemption disabled at: | [ 11.953608][ T233] 0x0 | [ 11.953619][ T233] Tainted: [W]=WARN [ 11.953620][ T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.953629][ T233] Call Trace: [ 11.953631][ T233] [ 11.953632][ T233] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.953638][ T233] __might_resched.cold (kernel/sched/core.c:9234) [ 11.953642][ T233] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.953646][ T233] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.953651][ T233] __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)) [ 11.953653][ T233] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.953660][ T233] ? 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) [ 11.953662][ T233] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.953666][ T233] put_chars (drivers/char/virtio_console.c:1176) [ 11.953668][ T233] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 11.953671][ T233] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.953678][ T233] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.953685][ T233] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.953688][ T233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.953693][ T233] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.953696][ T233] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.953700][ T233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.953703][ T233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.953708][ T233] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.953711][ T233] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.953713][ T233] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.953718][ T233] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.953721][ T233] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.953722][ T233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.953724][ T233] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.953728][ T233] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.953730][ T233] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.953733][ T233] vprintk_emit (kernel/printk/printk.c:2479) [ 11.953736][ T233] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.953738][ T233] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.953740][ T233] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.953743][ T233] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.953747][ T233] _printk (kernel/printk/printk.c:2504) [ 11.953751][ T233] ? snapshot_read.cold (user.c:?) [ 11.953758][ T233] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 11.953762][ T233] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 11.953766][ T233] br_device_event (net/bridge/br.c:111) [ 11.953769][ T233] ? packet_sendmsg_spkt (af_packet.c:?) [ 11.953775][ T233] notifier_call_chain (kernel/notifier.c:85) [ 11.953780][ T233] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 11.953785][ T233] ? netif_change_name (net/core/dev.c:1517) [ 11.953787][ T233] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 11.953790][ T233] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 11.953793][ T233] ? __kernel_text_address (kernel/extable.c:79) [ 11.953795][ T233] ? write_profile (profile.c:?) [ 11.953800][ T233] netif_change_flags (net/core/dev.c:9882) [ 11.953804][ T233] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 11.953808][ T233] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.953810][ T233] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.953812][ T233] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.953814][ T233] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.953817][ T233] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.953819][ T233] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.953821][ T233] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.953824][ T233] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.953826][ T233] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.953827][ T233] ? kasan_save_track (mm/kasan/common.c:78) [ 11.953829][ T233] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.953831][ T233] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 11.953834][ T233] ? ___sys_sendmsg (net/socket.c:2757) [ 11.953839][ T233] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.953841][ T233] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.953844][ T233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.953846][ T233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.953847][ T233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.953849][ T233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.953851][ T233] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.953853][ T233] ? __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) [ 11.953856][ T233] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.953858][ T233] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.953861][ T233] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.953867][ T233] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.953872][ T233] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.953878][ T233] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.953880][ T233] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.953885][ T233] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.953887][ T233] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.953889][ T233] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.953892][ T233] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.953896][ T233] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.953898][ T233] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.953902][ T233] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.953904][ T233] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.953908][ T233] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.953911][ T233] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.953914][ T233] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.953916][ T233] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.953919][ T233] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.953926][ T233] ? 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)) [ 11.953927][ T233] ? 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)) [ 11.953931][ T233] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.953935][ T233] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.953938][ T233] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.953942][ T233] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.953946][ T233] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.953950][ T233] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.953956][ T233] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 11.953958][ T233] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.953960][ T233] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 11.953961][ T233] ? move_addr_to_kernel (net/socket.c:258) [ 11.953968][ T233] ___sys_sendmsg (net/socket.c:2767) [ 11.953971][ T233] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.953986][ T233] __sys_sendmsg (net/socket.c:2799) [ 11.953989][ T233] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.953995][ T233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.953998][ T233] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.954000][ T233] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.954003][ T233] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.954005][ T233] RIP: 0033:0x7f32ecb7f54e [ 11.954007][ T233] 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 [ 11.954009][ T233] RSP: 002b:00007ffe49aa03f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.954011][ T233] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f32ecb7f54e [ 11.954013][ T233] RDX: 0000000000000000 RSI: 00007ffe49aa04a0 RDI: 0000000000000005 [ 11.954014][ T233] RBP: 00007ffe49aa0400 R08: 0000000000000000 R09: 0000000000000000 [ 11.954014][ T233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185a5 [ 11.954015][ T233] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe49aa0b60 | [ 14.074622][ T93] softirqs last disabled at (21214): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 14.074624][ T93] Preemption disabled at: | [ 14.074625][ T93] 0x0 | [ 14.074639][ T93] Tainted: [W]=WARN [ 14.074640][ T93] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.074643][ T93] Workqueue: events_unbound linkwatch_event [ 14.074647][ T93] Call Trace: [ 14.074648][ T93] [ 14.074650][ T93] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.074656][ T93] __might_resched.cold (kernel/sched/core.c:9234) [ 14.074660][ T93] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.074664][ T93] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.074669][ T93] __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)) [ 14.074672][ T93] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.074678][ T93] ? 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) [ 14.074680][ T93] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.074684][ T93] put_chars (drivers/char/virtio_console.c:1176) [ 14.074688][ T93] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.074691][ T93] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.074697][ T93] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.074704][ T93] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.074707][ T93] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.074710][ T93] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.074715][ T93] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.074718][ T93] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.074723][ T93] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.074724][ T93] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.074729][ T93] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.074733][ T93] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.074734][ T93] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.074740][ T93] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.074742][ T93] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.074744][ T93] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.074746][ T93] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.074750][ T93] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.074752][ T93] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.074754][ T93] vprintk_emit (kernel/printk/printk.c:2479) [ 14.074758][ T93] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.074760][ T93] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.074763][ T93] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.074768][ T93] _printk (kernel/printk/printk.c:2504) [ 14.074771][ T93] ? snapshot_read.cold (user.c:?) [ 14.074777][ T93] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.074781][ T93] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 14.074785][ T93] br_init_port (net/bridge/br_stp_if.c:39) [ 14.074788][ T93] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 14.074790][ T93] br_port_carrier_check (net/bridge/br_if.c:90) [ 14.074793][ T93] br_device_event (net/bridge/br.c:101) [ 14.074797][ T93] ? packet_sendmsg_spkt (af_packet.c:?) [ 14.074799][ T93] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 14.074805][ T93] notifier_call_chain (kernel/notifier.c:85) [ 14.074812][ T93] netif_state_change (net/core/dev.c:1625) [ 14.074816][ T93] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.074820][ T93] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 14.074823][ T93] __linkwatch_run_queue (net/core/link_watch.c:240) [ 14.074826][ T93] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.074829][ T93] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.074834][ T93] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 14.074837][ T93] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 14.074841][ T93] process_one_work (kernel/workqueue.c:3387) [ 14.074847][ T93] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 14.074849][ T93] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.074857][ T93] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 14.074864][ T93] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.074865][ T93] kthread (kernel/kthread.c:436) [ 14.074867][ T93] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.074871][ T93] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.074874][ T93] ret_from_fork (arch/x86/kernel/process.c:158) [ 14.074878][ T93] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 14.074882][ T93] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 14.074885][ T93] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.074888][ T93] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 15.337437][ T241] softirqs last disabled at (45138): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 15.337439][ T241] Preemption disabled at: | [ 15.337440][ T241] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.337449][ T241] Tainted: [W]=WARN [ 15.337450][ T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.337452][ T241] Call Trace: [ 15.337454][ T241] [ 15.337455][ T241] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.337460][ T241] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.337462][ T241] __might_resched.cold (kernel/sched/core.c:9234) [ 15.337466][ T241] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.337470][ T241] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.337475][ T241] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 15.337478][ T241] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.337484][ T241] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 15.337486][ T241] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.337490][ T241] put_chars (drivers/char/virtio_console.c:1176) [ 15.337493][ T241] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.337497][ T241] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.337500][ T241] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.337503][ T241] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.337508][ T241] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.337511][ T241] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.337514][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.337515][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.337519][ T241] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.337522][ T241] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.337525][ T241] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.337527][ T241] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.337531][ T241] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.337534][ T241] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.337538][ T241] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.337540][ T241] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.337544][ T241] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.337548][ T241] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.337549][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.337555][ T241] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.337557][ T241] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.337559][ T241] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.337561][ T241] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.337564][ T241] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.337566][ T241] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.337569][ T241] vprintk_emit (kernel/printk/printk.c:2479) [ 15.337573][ T241] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.337578][ T241] _printk (kernel/printk/printk.c:2504) [ 15.337581][ T241] ? snapshot_read.cold (user.c:?) [ 15.337585][ T241] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 15.337587][ T241] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.337590][ T241] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 15.337593][ T241] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 15.337596][ T241] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 15.337599][ T241] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 15.337602][ T241] ? netdev_notice (net/core/dev.c:13194) [ 15.337606][ T241] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 15.337609][ T241] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 15.337613][ T241] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 15.337617][ T241] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 15.337622][ T241] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 15.337626][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 15.337628][ T241] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.337631][ T241] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.337642][ T241] ? packet_sendmsg_spkt (af_packet.c:?) [ 15.337647][ T241] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 15.337649][ T241] ? 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)) [ 15.337652][ T241] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 15.337657][ T241] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 15.337662][ T241] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 15.337664][ T241] ? 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) [ 15.337666][ T241] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 15.337668][ T241] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 15.337674][ T241] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 15.337676][ T241] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.337678][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.337680][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.337682][ T241] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 15.337704][ T241] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.337706][ T241] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.337709][ T241] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.337711][ T241] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.337713][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.337718][ T241] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.337720][ T241] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.337722][ T241] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 15.337724][ T241] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.337728][ T241] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 15.337731][ T241] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.337734][ T241] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.337736][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.337741][ T241] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.337743][ T241] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.337746][ T241] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.337749][ T241] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.337753][ T241] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.337759][ T241] ? 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)) [ 15.337760][ T241] ? 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)) [ 15.337765][ T241] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.337769][ T241] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.337771][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.337775][ T241] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.337779][ T241] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.337783][ T241] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.337789][ T241] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.337792][ T241] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.337794][ T241] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.337795][ T241] ? move_addr_to_kernel (net/socket.c:258) [ 15.337802][ T241] ___sys_sendmsg (net/socket.c:2767) [ 15.337805][ T241] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.337820][ T241] __sys_sendmsg (net/socket.c:2799) [ 15.337823][ T241] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.337829][ T241] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.337832][ T241] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.337834][ T241] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.337836][ T241] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.337838][ T241] RIP: 0033:0x7f1a5ddab54e [ 15.337842][ T241] 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 [ 15.337844][ T241] RSP: 002b:00007ffddcda6c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.337847][ T241] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f1a5ddab54e [ 15.337848][ T241] RDX: 0000000000000000 RSI: 00007ffddcda6d10 RDI: 0000000000000005 [ 15.337849][ T241] RBP: 00007ffddcda6c70 R08: 0000000000000000 R09: 0000000000000000 [ 15.337850][ T241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185a8 [ 15.337850][ T241] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffddcda73d0 | [ 17.107796][ T255] softirqs last disabled at (37926): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 17.107798][ T255] Preemption disabled at: | [ 17.107799][ T255] 0x0 | [ 17.107809][ T255] Tainted: [W]=WARN [ 17.107810][ T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.107812][ T255] Call Trace: [ 17.107814][ T255] [ 17.107816][ T255] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.107822][ T255] __might_resched.cold (kernel/sched/core.c:9234) [ 17.107826][ T255] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.107830][ T255] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.107836][ T255] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 17.107839][ T255] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.107845][ T255] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 17.107847][ T255] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.107851][ T255] put_chars (drivers/char/virtio_console.c:1176) [ 17.107854][ T255] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 17.107857][ T255] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.107864][ T255] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.107871][ T255] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.107874][ T255] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.107879][ T255] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.107883][ T255] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.107887][ T255] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.107890][ T255] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.107895][ T255] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.107898][ T255] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.107900][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.107906][ T255] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.107908][ T255] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.107910][ T255] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.107912][ T255] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.107916][ T255] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.107918][ T255] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.107921][ T255] vprintk_emit (kernel/printk/printk.c:2479) [ 17.107924][ T255] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.107926][ T255] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 17.107928][ T255] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.107931][ T255] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.107936][ T255] _printk (kernel/printk/printk.c:2504) [ 17.107939][ T255] ? snapshot_read.cold (user.c:?) [ 17.107947][ T255] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 17.107951][ T255] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 17.107955][ T255] br_device_event (net/bridge/br.c:111) [ 17.107957][ T255] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 17.107961][ T255] ? packet_sendmsg_spkt (af_packet.c:?) [ 17.107967][ T255] notifier_call_chain (kernel/notifier.c:85) [ 17.107972][ T255] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 17.107977][ T255] ? netif_change_name (net/core/dev.c:1517) [ 17.107979][ T255] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 17.107982][ T255] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 17.107985][ T255] ? __kernel_text_address (kernel/extable.c:79) [ 17.107987][ T255] ? write_profile (profile.c:?) [ 17.107993][ T255] netif_change_flags (net/core/dev.c:9882) [ 17.107996][ T255] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 17.108000][ T255] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 17.108003][ T255] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 17.108004][ T255] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 17.108006][ T255] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 17.108010][ T255] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.108012][ T255] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.108014][ T255] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.108017][ T255] ? kasan_save_stack (mm/kasan/common.c:58) [ 17.108019][ T255] ? kasan_save_stack (mm/kasan/common.c:57) [ 17.108021][ T255] ? kasan_save_track (mm/kasan/common.c:78) [ 17.108023][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.108025][ T255] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 17.108028][ T255] ? ___sys_sendmsg (net/socket.c:2757) [ 17.108033][ T255] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.108035][ T255] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 17.108038][ T255] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.108040][ T255] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.108042][ T255] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.108043][ T255] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.108045][ T255] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 17.108048][ T255] ? __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) [ 17.108050][ T255] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 17.108052][ T255] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 17.108056][ T255] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 17.108064][ T255] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 17.108070][ T255] rtnl_newlink (net/core/rtnetlink.c:4215) [ 17.108076][ T255] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.108078][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.108083][ T255] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.108085][ T255] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.108088][ T255] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.108090][ T255] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.108094][ T255] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.108097][ T255] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 17.108100][ T255] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 17.108102][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.108107][ T255] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.108109][ T255] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.108113][ T255] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 17.108115][ T255] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 17.108118][ T255] ? netlink_ack (./include/linux/skbuff.h:2718) [ 17.108125][ T255] ? 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)) [ 17.108127][ T255] ? 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)) [ 17.108131][ T255] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 17.108135][ T255] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 17.108138][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.108142][ T255] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 17.108146][ T255] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 17.108150][ T255] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 17.108157][ T255] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 17.108159][ T255] ? copy_msghdr_from_user (net/socket.c:2650) [ 17.108161][ T255] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 17.108162][ T255] ? move_addr_to_kernel (net/socket.c:258) [ 17.108170][ T255] ___sys_sendmsg (net/socket.c:2767) [ 17.108172][ T255] ? copy_msghdr_from_user (net/socket.c:2619) [ 17.108188][ T255] __sys_sendmsg (net/socket.c:2799) [ 17.108191][ T255] ? __sys_sendmsg_sock (net/socket.c:2780) [ 17.108197][ T255] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.108201][ T255] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.108203][ T255] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.108206][ T255] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.108208][ T255] RIP: 0033:0x7f66dd2f254e [ 17.108211][ T255] 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 [ 17.108212][ T255] RSP: 002b:00007ffcb0aa0800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 17.108215][ T255] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f66dd2f254e [ 17.108217][ T255] RDX: 0000000000000000 RSI: 00007ffcb0aa08b0 RDI: 0000000000000005 [ 17.108217][ T255] RBP: 00007ffcb0aa0810 R08: 0000000000000000 R09: 0000000000000000 [ 17.108218][ T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185aa [ 17.108219][ T255] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb0aa0f70 | [ 19.226061][ T38] softirqs last disabled at (43606): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 19.226064][ T38] Preemption disabled at: | [ 19.226064][ T38] 0x0 | [ 19.226075][ T38] Tainted: [W]=WARN [ 19.226076][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.226078][ T38] Workqueue: events_unbound linkwatch_event [ 19.226082][ T38] Call Trace: [ 19.226084][ T38] [ 19.226086][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.226091][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 19.226096][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.226100][ 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) [ 19.226105][ 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)) [ 19.226108][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.226114][ 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) [ 19.226116][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.226120][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 19.226124][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.226127][ T38] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.226133][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.226141][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.226144][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.226147][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.226152][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.226155][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.226159][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.226161][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.226166][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.226170][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.226171][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.226177][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.226179][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.226181][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.226182][ T38] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.226186][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.226188][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.226192][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 19.226195][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.226197][ T38] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.226200][ T38] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.226205][ T38] _printk (kernel/printk/printk.c:2504) [ 19.226208][ T38] ? snapshot_read.cold (user.c:?) [ 19.226213][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.226218][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 19.226222][ T38] br_init_port (net/bridge/br_stp_if.c:39) [ 19.226225][ T38] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 19.226227][ T38] br_port_carrier_check (net/bridge/br_if.c:90) [ 19.226231][ T38] br_device_event (net/bridge/br.c:101) [ 19.226234][ T38] ? packet_sendmsg_spkt (af_packet.c:?) [ 19.226236][ T38] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 19.226243][ T38] notifier_call_chain (kernel/notifier.c:85) [ 19.226249][ T38] netif_state_change (net/core/dev.c:1625) [ 19.226253][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.226258][ T38] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 19.226260][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 19.226264][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 19.226267][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.226272][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 19.226274][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 19.226278][ T38] process_one_work (kernel/workqueue.c:3387) [ 19.226284][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.226287][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.226295][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.226302][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.226303][ T38] kthread (kernel/kthread.c:436) [ 19.226306][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.226310][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.226313][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.226318][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.226321][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.226325][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.226328][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 20.439765][ T263] softirqs last disabled at (38483): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 20.439767][ T263] Preemption disabled at: | [ 20.439768][ T263] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.439777][ T263] Tainted: [W]=WARN [ 20.439778][ T263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.439780][ T263] Call Trace: [ 20.439782][ T263] [ 20.439783][ T263] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.439788][ T263] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.439790][ T263] __might_resched.cold (kernel/sched/core.c:9234) [ 20.439794][ T263] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.439798][ T263] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.439803][ T263] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 20.439806][ T263] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.439812][ T263] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 20.439814][ T263] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.439817][ T263] put_chars (drivers/char/virtio_console.c:1176) [ 20.439820][ T263] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.439824][ T263] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.439827][ T263] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.439830][ T263] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.439834][ T263] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.439838][ T263] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.439840][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.439842][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.439846][ T263] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.439849][ T263] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 20.439852][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.439854][ T263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.439858][ T263] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.439861][ T263] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.439865][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.439867][ T263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.439871][ T263] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.439874][ T263] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.439876][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.439881][ T263] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.439883][ T263] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.439885][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.439886][ T263] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.439890][ T263] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.439892][ T263] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.439895][ T263] vprintk_emit (kernel/printk/printk.c:2479) [ 20.439898][ T263] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.439900][ T263] ? irqentry_enter (./include/linux/irq-entry-common.h:439 kernel/entry/common.c:120) [ 20.439904][ T263] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 20.439908][ T263] _printk (kernel/printk/printk.c:2504) [ 20.439911][ T263] ? snapshot_read.cold (user.c:?) [ 20.439915][ T263] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12)) [ 20.439918][ T263] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 20.439921][ T263] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 20.439924][ T263] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 20.439927][ T263] ? netdev_notice (net/core/dev.c:13194) [ 20.439931][ T263] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 20.439934][ T263] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 20.439938][ T263] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 20.439942][ T263] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 20.439947][ T263] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 20.439950][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 20.439953][ T263] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.439955][ T263] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.439962][ T263] ? packet_sendmsg_spkt (af_packet.c:?) [ 20.439968][ T263] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 20.439969][ T263] ? 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)) [ 20.439973][ T263] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 20.439978][ T263] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 20.439983][ T263] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 20.439985][ T263] ? 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) [ 20.439987][ T263] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 20.439988][ T263] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 20.439995][ T263] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 20.439997][ T263] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.439999][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.440001][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.440003][ T263] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 20.440024][ T263] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.440026][ T263] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.440029][ T263] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.440031][ T263] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.440033][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.440038][ T263] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.440040][ T263] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.440042][ T263] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 20.440044][ T263] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.440048][ T263] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 20.440051][ T263] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 20.440054][ T263] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.440056][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.440062][ T263] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.440064][ T263] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.440068][ T263] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 20.440071][ T263] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.440074][ T263] ? netlink_ack (./include/linux/skbuff.h:2718) [ 20.440080][ T263] ? 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)) [ 20.440081][ T263] ? 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)) [ 20.440086][ T263] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 20.440089][ T263] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 20.440092][ T263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.440096][ T263] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 20.440100][ T263] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 20.440104][ T263] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 20.440109][ T263] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 20.440113][ T263] ? copy_msghdr_from_user (net/socket.c:2650) [ 20.440115][ T263] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 20.440116][ T263] ? move_addr_to_kernel (net/socket.c:258) [ 20.440123][ T263] ___sys_sendmsg (net/socket.c:2767) [ 20.440125][ T263] ? copy_msghdr_from_user (net/socket.c:2619) [ 20.440140][ T263] __sys_sendmsg (net/socket.c:2799) [ 20.440143][ T263] ? __sys_sendmsg_sock (net/socket.c:2780) [ 20.440149][ T263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.440152][ T263] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.440153][ T263] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.440156][ T263] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.440158][ T263] RIP: 0033:0x7f8689b6d54e [ 20.440162][ T263] 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 [ 20.440163][ T263] RSP: 002b:00007ffe4e461700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 20.440166][ T263] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8689b6d54e [ 20.440167][ T263] RDX: 0000000000000000 RSI: 00007ffe4e4617b0 RDI: 0000000000000005 [ 20.440168][ T263] RBP: 00007ffe4e461710 R08: 0000000000000000 R09: 0000000000000000 [ 20.440169][ T263] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185ad [ 20.440170][ T263] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4e461e70 | [ 22.168974][ T277] softirqs last disabled at (47730): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 22.168976][ T277] Preemption disabled at: | [ 22.168977][ T277] 0x0 | [ 22.168987][ T277] Tainted: [W]=WARN [ 22.168988][ T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.168990][ T277] Call Trace: [ 22.168992][ T277] [ 22.168993][ T277] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.168999][ T277] __might_resched.cold (kernel/sched/core.c:9234) [ 22.169004][ T277] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.169008][ T277] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 22.169013][ T277] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 22.169016][ T277] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.169022][ T277] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 22.169024][ T277] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.169028][ T277] put_chars (drivers/char/virtio_console.c:1176) [ 22.169030][ T277] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 22.169033][ T277] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.169040][ T277] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.169047][ T277] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.169050][ T277] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.169055][ T277] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.169061][ T277] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.169065][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.169068][ T277] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.169072][ T277] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.169076][ T277] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.169077][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.169083][ T277] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.169085][ T277] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.169087][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.169089][ T277] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 22.169093][ T277] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.169095][ T277] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.169097][ T277] vprintk_emit (kernel/printk/printk.c:2479) [ 22.169101][ T277] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.169102][ T277] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.169105][ T277] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.169107][ T277] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.169112][ T277] _printk (kernel/printk/printk.c:2504) [ 22.169116][ T277] ? snapshot_read.cold (user.c:?) [ 22.169123][ T277] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 22.169127][ T277] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 22.169131][ T277] br_device_event (net/bridge/br.c:111) [ 22.169134][ T277] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 22.169137][ T277] ? packet_sendmsg_spkt (af_packet.c:?) [ 22.169143][ T277] notifier_call_chain (kernel/notifier.c:85) [ 22.169149][ T277] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 22.169153][ T277] ? netif_change_name (net/core/dev.c:1517) [ 22.169156][ T277] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 22.169158][ T277] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 22.169161][ T277] ? __kernel_text_address (kernel/extable.c:79) [ 22.169164][ T277] ? write_profile (profile.c:?) [ 22.169169][ T277] netif_change_flags (net/core/dev.c:9882) [ 22.169172][ T277] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 22.169176][ T277] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 22.169178][ T277] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 22.169180][ T277] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 22.169182][ T277] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 22.169185][ T277] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.169187][ T277] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.169189][ T277] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.169192][ T277] ? kasan_save_stack (mm/kasan/common.c:58) [ 22.169194][ T277] ? kasan_save_stack (mm/kasan/common.c:57) [ 22.169195][ T277] ? kasan_save_track (mm/kasan/common.c:78) [ 22.169198][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.169200][ T277] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 22.169203][ T277] ? ___sys_sendmsg (net/socket.c:2757) [ 22.169208][ T277] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.169210][ T277] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 22.169213][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.169215][ T277] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.169217][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.169218][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.169220][ T277] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 22.169222][ T277] ? __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) [ 22.169224][ T277] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 22.169226][ T277] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 22.169230][ T277] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 22.169235][ T277] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 22.169241][ T277] rtnl_newlink (net/core/rtnetlink.c:4215) [ 22.169247][ T277] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.169249][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.169254][ T277] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.169256][ T277] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.169258][ T277] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.169261][ T277] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.169265][ T277] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.169267][ T277] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 22.169271][ T277] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 22.169272][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.169277][ T277] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.169279][ T277] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.169283][ T277] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 22.169285][ T277] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 22.169288][ T277] ? netlink_ack (./include/linux/skbuff.h:2718) [ 22.169294][ T277] ? 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)) [ 22.169296][ T277] ? 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)) [ 22.169300][ T277] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 22.169304][ T277] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 22.169306][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.169311][ T277] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 22.169315][ T277] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.169319][ T277] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 22.169325][ T277] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 22.169327][ T277] ? copy_msghdr_from_user (net/socket.c:2650) [ 22.169329][ T277] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 22.169330][ T277] ? move_addr_to_kernel (net/socket.c:258) [ 22.169337][ T277] ___sys_sendmsg (net/socket.c:2767) [ 22.169340][ T277] ? copy_msghdr_from_user (net/socket.c:2619) [ 22.169355][ T277] __sys_sendmsg (net/socket.c:2799) [ 22.169358][ T277] ? __sys_sendmsg_sock (net/socket.c:2780) [ 22.169364][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.169367][ T277] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 22.169369][ T277] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 22.169372][ T277] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.169375][ T277] RIP: 0033:0x7ff27ade854e [ 22.169377][ T277] 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 [ 22.169379][ T277] RSP: 002b:00007ffe86666f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 22.169381][ T277] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff27ade854e [ 22.169383][ T277] RDX: 0000000000000000 RSI: 00007ffe86667020 RDI: 0000000000000005 [ 22.169383][ T277] RBP: 00007ffe86666f80 R08: 0000000000000000 R09: 0000000000000000 [ 22.169384][ T277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185af [ 22.169385][ T277] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe866676e0 | [ 24.284000][ T38] softirqs last disabled at (65642): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 24.284002][ T38] Preemption disabled at: | [ 24.284003][ T38] 0x0 | [ 24.284014][ T38] Tainted: [W]=WARN [ 24.284015][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.284017][ T38] Workqueue: events_unbound linkwatch_event [ 24.284021][ T38] Call Trace: [ 24.284023][ T38] [ 24.284025][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.284031][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 24.284036][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.284039][ 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) [ 24.284045][ 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)) [ 24.284048][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.284060][ 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) [ 24.284062][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.284066][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 24.284070][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.284073][ T38] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 24.284079][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.284087][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.284090][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.284093][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.284097][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.284101][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.284105][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.284107][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.284111][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.284115][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.284116][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.284122][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.284125][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.284126][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.284128][ T38] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 24.284132][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.284134][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.284137][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 24.284140][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.284143][ T38] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 24.284145][ T38] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.284150][ T38] _printk (kernel/printk/printk.c:2504) [ 24.284154][ T38] ? snapshot_read.cold (user.c:?) [ 24.284159][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.284163][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 24.284167][ T38] br_init_port (net/bridge/br_stp_if.c:39) [ 24.284170][ T38] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 24.284172][ T38] br_port_carrier_check (net/bridge/br_if.c:90) [ 24.284176][ T38] br_device_event (net/bridge/br.c:101) [ 24.284179][ T38] ? packet_sendmsg_spkt (af_packet.c:?) [ 24.284181][ T38] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 24.284188][ T38] notifier_call_chain (kernel/notifier.c:85) [ 24.284194][ T38] netif_state_change (net/core/dev.c:1625) [ 24.284198][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 24.284203][ T38] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 24.284205][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 24.284209][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 24.284212][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.284216][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 24.284219][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 24.284223][ T38] process_one_work (kernel/workqueue.c:3387) [ 24.284229][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 24.284232][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.284240][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 24.284246][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.284248][ T38] kthread (kernel/kthread.c:436) [ 24.284250][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 24.284254][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.284257][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 24.284262][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 24.284265][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 24.284269][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.284272][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 25.496727][ T285] softirqs last disabled at (39660): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 25.496730][ T285] Preemption disabled at: | [ 25.496730][ T285] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.496740][ T285] Tainted: [W]=WARN [ 25.496740][ T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.496743][ T285] Call Trace: [ 25.496745][ T285] [ 25.496746][ T285] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.496752][ T285] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.496753][ T285] __might_resched.cold (kernel/sched/core.c:9234) [ 25.496758][ T285] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.496762][ T285] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.496767][ T285] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 25.496770][ T285] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.496776][ T285] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 25.496778][ T285] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.496782][ T285] put_chars (drivers/char/virtio_console.c:1176) [ 25.496785][ T285] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.496788][ T285] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.496792][ T285] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.496796][ T285] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.496800][ T285] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.496803][ T285] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.496806][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.496807][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.496812][ T285] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.496814][ T285] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 25.496817][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.496819][ T285] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.496823][ T285] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.496827][ T285] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.496830][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.496832][ T285] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.496836][ T285] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.496840][ T285] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.496841][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.496846][ T285] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.496849][ T285] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.496850][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.496852][ T285] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.496856][ T285] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.496858][ T285] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.496861][ T285] vprintk_emit (kernel/printk/printk.c:2479) [ 25.496864][ T285] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.496869][ T285] _printk (kernel/printk/printk.c:2504) [ 25.496873][ T285] ? snapshot_read.cold (user.c:?) [ 25.496876][ T285] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 25.496879][ T285] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.496882][ T285] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 25.496884][ T285] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 25.496887][ T285] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 25.496891][ T285] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 25.496893][ T285] ? netdev_notice (net/core/dev.c:13194) [ 25.496897][ T285] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 25.496901][ T285] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 25.496905][ T285] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 25.496908][ T285] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 25.496914][ T285] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 25.496917][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 25.496919][ T285] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.496922][ T285] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.496929][ T285] ? packet_sendmsg_spkt (af_packet.c:?) [ 25.496935][ T285] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 25.496936][ T285] ? 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)) [ 25.496939][ T285] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 25.496944][ T285] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 25.496950][ T285] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 25.496951][ T285] ? 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) [ 25.496953][ T285] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 25.496955][ T285] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 25.496961][ T285] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 25.496964][ T285] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.496966][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.496967][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.496970][ T285] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 25.496991][ T285] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.496993][ T285] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.496996][ T285] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.496998][ T285] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.497000][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.497005][ T285] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.497007][ T285] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.497009][ T285] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 25.497012][ T285] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.497015][ T285] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 25.497018][ T285] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 25.497021][ T285] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.497023][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.497028][ T285] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.497030][ T285] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.497033][ T285] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 25.497037][ T285] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.497040][ T285] ? netlink_ack (./include/linux/skbuff.h:2718) [ 25.497046][ T285] ? 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)) [ 25.497048][ T285] ? 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)) [ 25.497052][ T285] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 25.497056][ T285] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 25.497060][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.497065][ T285] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 25.497069][ T285] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.497072][ T285] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 25.497078][ T285] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 25.497082][ T285] ? copy_msghdr_from_user (net/socket.c:2650) [ 25.497083][ T285] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 25.497085][ T285] ? move_addr_to_kernel (net/socket.c:258) [ 25.497092][ T285] ___sys_sendmsg (net/socket.c:2767) [ 25.497094][ T285] ? copy_msghdr_from_user (net/socket.c:2619) [ 25.497109][ T285] __sys_sendmsg (net/socket.c:2799) [ 25.497112][ T285] ? __sys_sendmsg_sock (net/socket.c:2780) [ 25.497118][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.497121][ T285] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.497123][ T285] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.497125][ T285] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.497128][ T285] RIP: 0033:0x7ffa6d57f54e [ 25.497131][ T285] 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 [ 25.497133][ T285] RSP: 002b:00007fffc6362b10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.497136][ T285] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ffa6d57f54e [ 25.497137][ T285] RDX: 0000000000000000 RSI: 00007fffc6362bc0 RDI: 0000000000000005 [ 25.497138][ T285] RBP: 00007fffc6362b20 R08: 0000000000000000 R09: 0000000000000000 [ 25.497138][ T285] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185b2 [ 25.497139][ T285] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc6363280 | [ 26.981346][ T226] softirqs last disabled at (15026): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 26.981349][ T226] Preemption disabled at: | [ 26.981350][ T226] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.981359][ T226] Tainted: [W]=WARN [ 26.981360][ T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.981363][ T226] Workqueue: bond0 bond_mii_monitor [ 26.981367][ T226] Call Trace: [ 26.981369][ T226] [ 26.981370][ T226] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.981375][ T226] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.981377][ T226] __might_resched.cold (kernel/sched/core.c:9234) [ 26.981381][ T226] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.981385][ T226] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.981390][ T226] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 26.981393][ T226] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.981399][ T226] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 26.981401][ T226] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.981405][ T226] put_chars (drivers/char/virtio_console.c:1176) [ 26.981409][ T226] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.981411][ T226] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 26.981414][ T226] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.981418][ T226] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.981423][ T226] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.981427][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.981429][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.981433][ T226] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.981437][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.981440][ T226] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.981444][ T226] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.981448][ T226] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.981452][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.981454][ T226] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.981458][ T226] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.981462][ T226] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.981463][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.981469][ T226] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.981472][ T226] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.981473][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.981475][ T226] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 26.981479][ T226] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.981481][ T226] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.981484][ T226] vprintk_emit (kernel/printk/printk.c:2479) [ 26.981487][ T226] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.981489][ T226] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.981492][ T226] ? packet_notifier (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/packet/af_packet.c:4261 (discriminator 2)) [ 26.981497][ T226] _printk (kernel/printk/printk.c:2504) [ 26.981501][ T226] ? snapshot_read.cold (user.c:?) [ 26.981505][ T226] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 26.981509][ T226] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 26.981512][ T226] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 26.981515][ T226] ? netdev_notice (net/core/dev.c:13194) [ 26.981519][ T226] ? netdev_offload_xstats_get (net/core/dev.c:9434) [ 26.981526][ T226] bond_miimon_commit.cold (drivers/net/bonding/bond_main.c:2831 (discriminator 6)) [ 26.981533][ T226] ? bond_arp_monitor (drivers/net/bonding/bond_main.c:3901) [ 26.981534][ T226] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.981536][ T226] ? wait_for_completion_io (kernel/sched/completion.c:102 kernel/sched/completion.c:121 kernel/sched/completion.c:138 kernel/sched/completion.c:186) [ 26.981540][ T226] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.981542][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.981546][ T226] bond_mii_monitor (drivers/net/bonding/bond_main.c:2927) [ 26.981548][ T226] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 26.981550][ T226] ? bond_miimon_commit (drivers/net/bonding/bond_main.c:2850) [ 26.981552][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.981554][ T226] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.981556][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.981559][ T226] ? process_one_work (kernel/workqueue.c:3386) [ 26.981560][ T226] process_one_work (kernel/workqueue.c:3387) [ 26.981566][ T226] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 26.981569][ T226] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.981577][ T226] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 26.981581][ T226] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.981582][ T226] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 26.981586][ T226] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.981588][ T226] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.981589][ T226] kthread (kernel/kthread.c:436) [ 26.981592][ T226] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.981595][ T226] ? kthread_affine_preferred (kernel/kthread.c:857) [ 26.981598][ T226] ret_from_fork (arch/x86/kernel/process.c:158) [ 26.981603][ T226] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 26.981606][ T226] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 26.981610][ T226] ? kthread_affine_preferred (kernel/kthread.c:857) [ 26.981613][ T226] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 29.279550][ T46] softirqs last disabled at (72804): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 29.279552][ T46] Preemption disabled at: | [ 29.279553][ T46] 0x0 | [ 29.279564][ T46] Tainted: [W]=WARN [ 29.279565][ T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.279567][ T46] Workqueue: events_unbound linkwatch_event [ 29.279571][ T46] Call Trace: [ 29.279573][ T46] [ 29.279575][ T46] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.279581][ T46] __might_resched.cold (kernel/sched/core.c:9234) [ 29.279586][ T46] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.279589][ 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) [ 29.279595][ 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)) [ 29.279598][ T46] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.279604][ 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) [ 29.279606][ T46] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.279610][ T46] put_chars (drivers/char/virtio_console.c:1176) [ 29.279614][ T46] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.279617][ T46] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.279623][ T46] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.279631][ T46] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.279634][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.279638][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.279642][ T46] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.279646][ T46] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.279650][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.279652][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.279656][ T46] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.279660][ T46] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.279661][ T46] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.279667][ T46] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.279670][ T46] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.279671][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.279673][ T46] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 29.279677][ T46] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.279679][ T46] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.279682][ T46] vprintk_emit (kernel/printk/printk.c:2479) [ 29.279691][ T46] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.279694][ T46] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.279696][ T46] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.279701][ T46] _printk (kernel/printk/printk.c:2504) [ 29.279705][ T46] ? snapshot_read.cold (user.c:?) [ 29.279710][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.279714][ T46] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 29.279718][ T46] br_init_port (net/bridge/br_stp_if.c:39) [ 29.279721][ T46] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 29.279723][ T46] br_port_carrier_check (net/bridge/br_if.c:90) [ 29.279727][ T46] br_device_event (net/bridge/br.c:101) [ 29.279730][ T46] ? packet_sendmsg_spkt (af_packet.c:?) [ 29.279732][ T46] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 29.279739][ T46] notifier_call_chain (kernel/notifier.c:85) [ 29.279745][ T46] netif_state_change (net/core/dev.c:1625) [ 29.279749][ T46] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.279754][ T46] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 29.279757][ T46] __linkwatch_run_queue (net/core/link_watch.c:240) [ 29.279760][ T46] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.279763][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.279768][ T46] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 29.279771][ T46] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 29.279774][ T46] process_one_work (kernel/workqueue.c:3387) [ 29.279781][ T46] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 29.279783][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.279791][ T46] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 29.279798][ T46] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.279799][ T46] kthread (kernel/kthread.c:436) [ 29.279802][ T46] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 29.279805][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.279809][ T46] ret_from_fork (arch/x86/kernel/process.c:158) [ 29.279813][ T46] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 29.279817][ T46] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 29.279820][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.279823][ T46] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 30.619803][ T307] softirqs last disabled at (45742): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 30.619806][ T307] Preemption disabled at: | [ 30.619807][ T307] vprintk_emit (kernel/printk/printk.c:2471) | [ 30.619818][ T307] Tainted: [W]=WARN [ 30.619819][ T307] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.619822][ T307] Call Trace: [ 30.619824][ T307] [ 30.619826][ T307] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.619833][ T307] ? vprintk_emit (kernel/printk/printk.c:2471) [ 30.619835][ T307] __might_resched.cold (kernel/sched/core.c:9234) [ 30.619841][ T307] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.619847][ T307] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 30.619854][ T307] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 30.619858][ T307] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.619869][ T307] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 30.619872][ T307] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.619877][ T307] put_chars (drivers/char/virtio_console.c:1176) [ 30.619882][ T307] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.619887][ T307] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.619892][ T307] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.619896][ T307] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 30.619902][ T307] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.619907][ T307] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.619910][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.619913][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.619920][ T307] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.619924][ T307] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 30.619928][ T307] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.619931][ T307] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.619938][ T307] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.619944][ T307] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.619950][ T307] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.619953][ T307] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.619960][ T307] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.619966][ T307] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.619968][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.619977][ T307] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.619981][ T307] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.619983][ T307] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.619986][ T307] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 30.619992][ T307] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.619995][ T307] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.620000][ T307] vprintk_emit (kernel/printk/printk.c:2479) [ 30.620005][ T307] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.620014][ T307] _printk (kernel/printk/printk.c:2504) [ 30.620019][ T307] ? snapshot_read.cold (user.c:?) [ 30.620025][ T307] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 30.620027][ T307] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 30.620031][ T307] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 30.620034][ T307] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 30.620039][ T307] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 30.620045][ T307] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 30.620048][ T307] ? netdev_notice (net/core/dev.c:13194) [ 30.620056][ T307] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 30.620060][ T307] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 30.620067][ T307] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 30.620071][ T307] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 30.620080][ T307] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 30.620085][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 30.620088][ T307] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.620092][ T307] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.620105][ T307] ? packet_sendmsg_spkt (af_packet.c:?) [ 30.620113][ T307] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 30.620115][ T307] ? 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)) [ 30.620119][ T307] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 30.620128][ T307] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 30.620137][ T307] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 30.620139][ T307] ? 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) [ 30.620142][ T307] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 30.620145][ T307] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 30.620156][ T307] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 30.620159][ T307] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.620162][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.620165][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.620168][ T307] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 30.620207][ T307] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.620210][ T307] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.620214][ T307] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.620217][ T307] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.620221][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.620228][ T307] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.620231][ T307] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.620234][ T307] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 30.620238][ T307] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.620244][ T307] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 30.620248][ T307] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 30.620254][ T307] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.620256][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.620264][ T307] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.620267][ T307] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.620273][ T307] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 30.620277][ T307] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.620282][ T307] ? netlink_ack (./include/linux/skbuff.h:2718) [ 30.620292][ T307] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 30.620295][ T307] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 30.620302][ T307] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.620308][ T307] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.620313][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.620320][ T307] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.620326][ T307] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.620333][ T307] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 30.620341][ T307] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 30.620346][ T307] ? copy_msghdr_from_user (net/socket.c:2650) [ 30.620349][ T307] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 30.620351][ T307] ? move_addr_to_kernel (net/socket.c:258) [ 30.620363][ T307] ___sys_sendmsg (net/socket.c:2767) [ 30.620367][ T307] ? copy_msghdr_from_user (net/socket.c:2619) [ 30.620395][ T307] __sys_sendmsg (net/socket.c:2799) [ 30.620399][ T307] ? __sys_sendmsg_sock (net/socket.c:2780) [ 30.620409][ T307] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.620415][ T307] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.620417][ T307] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.620421][ T307] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.620425][ T307] RIP: 0033:0x7f82bbbbe54e [ 30.620429][ T307] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 30.620432][ T307] RSP: 002b:00007ffe36360f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.620435][ T307] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f82bbbbe54e [ 30.620436][ T307] RDX: 0000000000000000 RSI: 00007ffe36360fe0 RDI: 0000000000000005 [ 30.620438][ T307] RBP: 00007ffe36360f40 R08: 0000000000000000 R09: 0000000000000000 [ 30.620439][ T307] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185b8 [ 30.620440][ T307] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe363616a0 | [ 32.409677][ T321] softirqs last disabled at (39090): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 32.409680][ T321] Preemption disabled at: | [ 32.409680][ T321] 0x0 | [ 32.409691][ T321] Tainted: [W]=WARN [ 32.409692][ T321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.409695][ T321] Call Trace: [ 32.409702][ T321] [ 32.409704][ T321] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.409710][ T321] __might_resched.cold (kernel/sched/core.c:9234) [ 32.409715][ T321] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.409719][ T321] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.409727][ T321] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 32.409729][ T321] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.409736][ T321] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 32.409738][ T321] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.409742][ T321] put_chars (drivers/char/virtio_console.c:1176) [ 32.409745][ T321] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 32.409747][ T321] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.409755][ T321] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.409762][ T321] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.409766][ T321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.409771][ T321] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.409774][ T321] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.409778][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.409782][ T321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.409786][ T321] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.409790][ T321] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.409792][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.409798][ T321] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.409800][ T321] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.409801][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.409803][ T321] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.409808][ T321] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.409810][ T321] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.409813][ T321] vprintk_emit (kernel/printk/printk.c:2479) [ 32.409816][ T321] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.409818][ T321] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 32.409820][ T321] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.409823][ T321] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.409828][ T321] _printk (kernel/printk/printk.c:2504) [ 32.409832][ T321] ? snapshot_read.cold (user.c:?) [ 32.409839][ T321] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 32.409843][ T321] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 32.409848][ T321] br_device_event (net/bridge/br.c:111) [ 32.409850][ T321] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 32.409854][ T321] ? packet_sendmsg_spkt (af_packet.c:?) [ 32.409860][ T321] notifier_call_chain (kernel/notifier.c:85) [ 32.409866][ T321] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 32.409871][ T321] ? netif_change_name (net/core/dev.c:1517) [ 32.409873][ T321] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 32.409876][ T321] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 32.409879][ T321] ? __kernel_text_address (kernel/extable.c:79) [ 32.409881][ T321] ? write_profile (profile.c:?) [ 32.409886][ T321] netif_change_flags (net/core/dev.c:9882) [ 32.409890][ T321] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 32.409894][ T321] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 32.409897][ T321] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 32.409898][ T321] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 32.409901][ T321] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 32.409904][ T321] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.409906][ T321] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.409908][ T321] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.409911][ T321] ? kasan_save_stack (mm/kasan/common.c:58) [ 32.409914][ T321] ? kasan_save_stack (mm/kasan/common.c:57) [ 32.409915][ T321] ? kasan_save_track (mm/kasan/common.c:78) [ 32.409917][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.409920][ T321] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 32.409923][ T321] ? ___sys_sendmsg (net/socket.c:2757) [ 32.409928][ T321] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.409930][ T321] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 32.409933][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.409935][ T321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.409937][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.409938][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.409940][ T321] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 32.409943][ T321] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 32.409945][ T321] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 32.409947][ T321] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 32.409951][ T321] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 32.409956][ T321] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 32.409962][ T321] rtnl_newlink (net/core/rtnetlink.c:4215) [ 32.409968][ T321] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.409970][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.409975][ T321] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.409978][ T321] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.409980][ T321] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.409982][ T321] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.409986][ T321] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.409989][ T321] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 32.409993][ T321] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 32.409995][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.409999][ T321] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.410002][ T321] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.410006][ T321] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.410007][ T321] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 32.410011][ T321] ? netlink_ack (./include/linux/skbuff.h:2718) [ 32.410018][ T321] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 32.410019][ T321] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 32.410024][ T321] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.410028][ T321] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.410030][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.410035][ T321] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.410039][ T321] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.410043][ T321] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 32.410049][ T321] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 32.410051][ T321] ? copy_msghdr_from_user (net/socket.c:2650) [ 32.410053][ T321] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 32.410055][ T321] ? move_addr_to_kernel (net/socket.c:258) [ 32.410063][ T321] ___sys_sendmsg (net/socket.c:2767) [ 32.410066][ T321] ? copy_msghdr_from_user (net/socket.c:2619) [ 32.410082][ T321] __sys_sendmsg (net/socket.c:2799) [ 32.410085][ T321] ? __sys_sendmsg_sock (net/socket.c:2780) [ 32.410091][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.410095][ T321] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.410097][ T321] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.410100][ T321] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.410102][ T321] RIP: 0033:0x7f18253de54e [ 32.410105][ T321] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 32.410107][ T321] RSP: 002b:00007ffd7bb146c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.410109][ T321] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f18253de54e [ 32.410111][ T321] RDX: 0000000000000000 RSI: 00007ffd7bb14770 RDI: 0000000000000005 [ 32.410112][ T321] RBP: 00007ffd7bb146d0 R08: 0000000000000000 R09: 0000000000000000 [ 32.410112][ T321] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185b9 [ 32.410113][ T321] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7bb14e30 | [ 34.531821][ T38] softirqs last disabled at (95324): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 34.531824][ T38] Preemption disabled at: | [ 34.531825][ T38] 0x0 | [ 34.531836][ T38] Tainted: [W]=WARN [ 34.531836][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.531839][ T38] Workqueue: events_unbound linkwatch_event [ 34.531843][ T38] Call Trace: [ 34.531845][ T38] [ 34.531846][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.531852][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 34.531857][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.531861][ 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) [ 34.531866][ 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)) [ 34.531869][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.531875][ 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) [ 34.531877][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.531881][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 34.531885][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.531889][ T38] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 34.531895][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.531902][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.531905][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.531909][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.531913][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.531917][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.531921][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.531923][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.531928][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.531932][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.531933][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.531939][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.531942][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.531943][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.531945][ T38] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 34.531949][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.531951][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.531955][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 34.531958][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.531961][ T38] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 34.531963][ T38] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.531968][ T38] _printk (kernel/printk/printk.c:2504) [ 34.531972][ T38] ? snapshot_read.cold (user.c:?) [ 34.531978][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.531982][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 34.531986][ T38] br_init_port (net/bridge/br_stp_if.c:39) [ 34.531989][ T38] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 34.531991][ T38] br_port_carrier_check (net/bridge/br_if.c:90) [ 34.531995][ T38] br_device_event (net/bridge/br.c:101) [ 34.531999][ T38] ? packet_sendmsg_spkt (af_packet.c:?) [ 34.532000][ T38] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 34.532007][ T38] notifier_call_chain (kernel/notifier.c:85) [ 34.532014][ T38] netif_state_change (net/core/dev.c:1625) [ 34.532018][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 34.532023][ T38] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 34.532025][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 34.532029][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 34.532032][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.532037][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 34.532040][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 34.532044][ T38] process_one_work (kernel/workqueue.c:3387) [ 34.532050][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 34.532052][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.532063][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 34.532070][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 34.532071][ T38] kthread (kernel/kthread.c:436) [ 34.532074][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 34.532078][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 34.532081][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 34.532086][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 34.532089][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 34.532093][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 34.532096][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 35.726143][ T329] softirqs last disabled at (42347): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 35.726146][ T329] Preemption disabled at: | [ 35.726146][ T329] vprintk_emit (kernel/printk/printk.c:2471) | [ 35.726155][ T329] Tainted: [W]=WARN [ 35.726156][ T329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.726158][ T329] Call Trace: [ 35.726160][ T329] [ 35.726161][ T329] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.726166][ T329] ? vprintk_emit (kernel/printk/printk.c:2471) [ 35.726168][ T329] __might_resched.cold (kernel/sched/core.c:9234) [ 35.726173][ T329] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.726176][ T329] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 35.726182][ T329] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 35.726184][ T329] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.726190][ T329] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 35.726192][ T329] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.726196][ T329] put_chars (drivers/char/virtio_console.c:1176) [ 35.726199][ T329] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.726203][ T329] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.726206][ T329] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.726209][ T329] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.726213][ T329] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.726217][ T329] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.726219][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.726221][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.726225][ T329] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.726228][ T329] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 35.726230][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.726232][ T329] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.726236][ T329] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.726239][ T329] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.726243][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.726245][ T329] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.726249][ T329] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.726253][ T329] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.726254][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.726259][ T329] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.726261][ T329] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.726263][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.726265][ T329] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 35.726268][ T329] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.726270][ T329] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.726273][ T329] vprintk_emit (kernel/printk/printk.c:2479) [ 35.726276][ T329] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.726281][ T329] _printk (kernel/printk/printk.c:2504) [ 35.726285][ T329] ? snapshot_read.cold (user.c:?) [ 35.726288][ T329] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 35.726290][ T329] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 35.726293][ T329] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 35.726296][ T329] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 35.726299][ T329] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 35.726302][ T329] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 35.726304][ T329] ? netdev_notice (net/core/dev.c:13194) [ 35.726309][ T329] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 35.726312][ T329] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 35.726316][ T329] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 35.726320][ T329] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 35.726325][ T329] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 35.726328][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 35.726330][ T329] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.726333][ T329] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.726340][ T329] ? packet_sendmsg_spkt (af_packet.c:?) [ 35.726346][ T329] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 35.726347][ T329] ? 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)) [ 35.726350][ T329] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 35.726355][ T329] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 35.726361][ T329] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 35.726362][ T329] ? 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) [ 35.726364][ T329] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 35.726366][ T329] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 35.726372][ T329] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 35.726375][ T329] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.726377][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.726378][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.726381][ T329] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 35.726402][ T329] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.726404][ T329] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.726407][ T329] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.726409][ T329] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.726411][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.726416][ T329] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.726418][ T329] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.726420][ T329] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 35.726422][ T329] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.726426][ T329] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 35.726429][ T329] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 35.726432][ T329] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.726434][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.726439][ T329] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.726441][ T329] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.726444][ T329] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 35.726448][ T329] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.726451][ T329] ? netlink_ack (./include/linux/skbuff.h:2718) [ 35.726457][ T329] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 35.726459][ T329] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 35.726463][ T329] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 35.726466][ T329] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.726469][ T329] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.726473][ T329] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 35.726477][ T329] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.726481][ T329] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 35.726487][ T329] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 35.726490][ T329] ? copy_msghdr_from_user (net/socket.c:2650) [ 35.726492][ T329] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 35.726493][ T329] ? move_addr_to_kernel (net/socket.c:258) [ 35.726500][ T329] ___sys_sendmsg (net/socket.c:2767) [ 35.726502][ T329] ? copy_msghdr_from_user (net/socket.c:2619) [ 35.726517][ T329] __sys_sendmsg (net/socket.c:2799) [ 35.726520][ T329] ? __sys_sendmsg_sock (net/socket.c:2780) [ 35.726526][ T329] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.726529][ T329] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.726531][ T329] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.726533][ T329] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.726535][ T329] RIP: 0033:0x7f59c216154e [ 35.726539][ T329] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 35.726541][ T329] RSP: 002b:00007ffc94274130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.726543][ T329] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f59c216154e [ 35.726545][ T329] RDX: 0000000000000000 RSI: 00007ffc942741e0 RDI: 0000000000000005 [ 35.726546][ T329] RBP: 00007ffc94274140 R08: 0000000000000000 R09: 0000000000000000 [ 35.726546][ T329] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185bd [ 35.726547][ T329] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc942748a0 | [ 37.464056][ T343] softirqs last disabled at (45376): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 37.464060][ T343] Preemption disabled at: | [ 37.464061][ T343] 0x0 | [ 37.464071][ T343] Tainted: [W]=WARN [ 37.464072][ T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.464074][ T343] Call Trace: [ 37.464076][ T343] [ 37.464077][ T343] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.464083][ T343] __might_resched.cold (kernel/sched/core.c:9234) [ 37.464088][ T343] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.464092][ T343] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 37.464097][ T343] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 37.464100][ T343] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.464106][ T343] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 37.464108][ T343] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.464111][ T343] put_chars (drivers/char/virtio_console.c:1176) [ 37.464114][ T343] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 37.464117][ T343] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.464124][ T343] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.464131][ T343] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.464134][ T343] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.464139][ T343] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.464142][ T343] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.464146][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.464149][ T343] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.464154][ T343] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.464157][ T343] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.464159][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.464164][ T343] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.464167][ T343] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.464168][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.464170][ T343] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 37.464174][ T343] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.464176][ T343] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.464179][ T343] vprintk_emit (kernel/printk/printk.c:2479) [ 37.464182][ T343] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.464183][ T343] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 37.464186][ T343] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.464188][ T343] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.464193][ T343] _printk (kernel/printk/printk.c:2504) [ 37.464196][ T343] ? snapshot_read.cold (user.c:?) [ 37.464204][ T343] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 37.464207][ T343] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 37.464211][ T343] br_device_event (net/bridge/br.c:111) [ 37.464214][ T343] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 37.464218][ T343] ? packet_sendmsg_spkt (af_packet.c:?) [ 37.464223][ T343] notifier_call_chain (kernel/notifier.c:85) [ 37.464229][ T343] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 37.464234][ T343] ? netif_change_name (net/core/dev.c:1517) [ 37.464236][ T343] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 37.464239][ T343] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 37.464242][ T343] ? __kernel_text_address (kernel/extable.c:79) [ 37.464244][ T343] ? write_profile (profile.c:?) [ 37.464249][ T343] netif_change_flags (net/core/dev.c:9882) [ 37.464252][ T343] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 37.464256][ T343] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 37.464258][ T343] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 37.464260][ T343] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 37.464262][ T343] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 37.464265][ T343] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.464268][ T343] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.464270][ T343] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 37.464272][ T343] ? kasan_save_stack (mm/kasan/common.c:58) [ 37.464274][ T343] ? kasan_save_stack (mm/kasan/common.c:57) [ 37.464276][ T343] ? kasan_save_track (mm/kasan/common.c:78) [ 37.464278][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.464280][ T343] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 37.464283][ T343] ? ___sys_sendmsg (net/socket.c:2757) [ 37.464287][ T343] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.464289][ T343] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 37.464292][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.464294][ T343] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.464296][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.464297][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.464299][ T343] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 37.464302][ T343] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 37.464303][ T343] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 37.464305][ T343] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 37.464309][ T343] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 37.464315][ T343] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 37.464321][ T343] rtnl_newlink (net/core/rtnetlink.c:4215) [ 37.464326][ T343] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.464329][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.464333][ T343] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.464335][ T343] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.464338][ T343] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.464340][ T343] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.464344][ T343] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.464347][ T343] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 37.464350][ T343] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 37.464352][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.464356][ T343] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.464359][ T343] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.464362][ T343] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 37.464364][ T343] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 37.464367][ T343] ? netlink_ack (./include/linux/skbuff.h:2718) [ 37.464373][ T343] ? 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)) [ 37.464375][ T343] ? 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)) [ 37.464379][ T343] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 37.464383][ T343] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 37.464386][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.464390][ T343] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 37.464394][ T343] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 37.464397][ T343] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 37.464403][ T343] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 37.464405][ T343] ? copy_msghdr_from_user (net/socket.c:2650) [ 37.464407][ T343] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 37.464409][ T343] ? move_addr_to_kernel (net/socket.c:258) [ 37.464416][ T343] ___sys_sendmsg (net/socket.c:2767) [ 37.464418][ T343] ? copy_msghdr_from_user (net/socket.c:2619) [ 37.464434][ T343] __sys_sendmsg (net/socket.c:2799) [ 37.464436][ T343] ? __sys_sendmsg_sock (net/socket.c:2780) [ 37.464442][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.464445][ T343] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 37.464447][ T343] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 37.464451][ T343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.464453][ T343] RIP: 0033:0x7f5c6c0b754e [ 37.464455][ T343] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 37.464457][ T343] RSP: 002b:00007ffe6674d820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 37.464460][ T343] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5c6c0b754e [ 37.464461][ T343] RDX: 0000000000000000 RSI: 00007ffe6674d8d0 RDI: 0000000000000005 [ 37.464462][ T343] RBP: 00007ffe6674d830 R08: 0000000000000000 R09: 0000000000000000 [ 37.464463][ T343] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185be [ 37.464464][ T343] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6674df90 | [ 39.599300][ T38] softirqs last disabled at (115902): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 39.599303][ T38] Preemption disabled at: | [ 39.599304][ T38] 0x0 | [ 39.599318][ T38] Tainted: [W]=WARN [ 39.599320][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.599322][ T38] Workqueue: events_unbound linkwatch_event [ 39.599327][ T38] Call Trace: [ 39.599330][ T38] [ 39.599332][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.599340][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 39.599346][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.599351][ 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) [ 39.599360][ 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)) [ 39.599364][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.599373][ 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) [ 39.599376][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.599382][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 39.599387][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.599393][ T38] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 39.599403][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.599415][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.599420][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.599425][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.599433][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.599439][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.599446][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.599450][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.599457][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.599464][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.599466][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.599476][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.599480][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.599482][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.599486][ T38] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 39.599492][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.599495][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.599501][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 39.599507][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.599510][ T38] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.599514][ T38] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.599523][ T38] _printk (kernel/printk/printk.c:2504) [ 39.599527][ T38] ? snapshot_read.cold (user.c:?) [ 39.599537][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.599544][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 39.599550][ T38] br_init_port (net/bridge/br_stp_if.c:39) [ 39.599555][ T38] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 39.599558][ T38] br_port_carrier_check (net/bridge/br_if.c:90) [ 39.599565][ T38] br_device_event (net/bridge/br.c:101) [ 39.599570][ T38] ? packet_sendmsg_spkt (af_packet.c:?) [ 39.599573][ T38] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 39.599584][ T38] notifier_call_chain (kernel/notifier.c:85) [ 39.599594][ T38] netif_state_change (net/core/dev.c:1625) [ 39.599601][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 39.599609][ T38] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 39.599614][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 39.599619][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 39.599624][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.599632][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 39.599636][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 39.599643][ T38] process_one_work (kernel/workqueue.c:3387) [ 39.599654][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 39.599659][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.599673][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 39.599685][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.599688][ T38] kthread (kernel/kthread.c:436) [ 39.599692][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 39.599696][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.599702][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 39.599708][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 39.599714][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 39.599719][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.599728][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 40.967652][ T351] softirqs last disabled at (47986): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 40.967655][ T351] Preemption disabled at: | [ 40.967656][ T351] vprintk_emit (kernel/printk/printk.c:2471) | [ 40.967665][ T351] Tainted: [W]=WARN [ 40.967666][ T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.967668][ T351] Call Trace: [ 40.967670][ T351] [ 40.967671][ T351] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.967676][ T351] ? vprintk_emit (kernel/printk/printk.c:2471) [ 40.967678][ T351] __might_resched.cold (kernel/sched/core.c:9234) [ 40.967683][ T351] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.967686][ T351] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 40.967692][ T351] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 40.967694][ T351] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.967701][ T351] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 40.967703][ T351] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.967707][ T351] put_chars (drivers/char/virtio_console.c:1176) [ 40.967710][ T351] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.967714][ T351] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 40.967717][ T351] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 40.967721][ T351] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 40.967725][ T351] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.967733][ T351] ? mark_usage (kernel/locking/lockdep.c:4690) [ 40.967735][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.967737][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.967742][ T351] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.967744][ T351] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 40.967747][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.967749][ T351] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.967753][ T351] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.967757][ T351] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.967760][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.967762][ T351] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.967766][ T351] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.967770][ T351] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.967772][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.967777][ T351] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.967779][ T351] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.967781][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.967783][ T351] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 40.967787][ T351] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.967788][ T351] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.967791][ T351] vprintk_emit (kernel/printk/printk.c:2479) [ 40.967795][ T351] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.967800][ T351] _printk (kernel/printk/printk.c:2504) [ 40.967804][ T351] ? snapshot_read.cold (user.c:?) [ 40.967807][ T351] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 40.967809][ T351] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 40.967812][ T351] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 40.967815][ T351] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 40.967818][ T351] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 40.967821][ T351] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 40.967824][ T351] ? netdev_notice (net/core/dev.c:13194) [ 40.967828][ T351] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 40.967831][ T351] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 40.967835][ T351] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 40.967839][ T351] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 40.967844][ T351] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 40.967847][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 40.967850][ T351] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 40.967852][ T351] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.967860][ T351] ? packet_sendmsg_spkt (af_packet.c:?) [ 40.967865][ T351] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 40.967866][ T351] ? 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)) [ 40.967869][ T351] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 40.967874][ T351] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 40.967880][ T351] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 40.967881][ T351] ? 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) [ 40.967883][ T351] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 40.967885][ T351] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 40.967891][ T351] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 40.967893][ T351] ? mark_usage (kernel/locking/lockdep.c:4690) [ 40.967896][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.967897][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.967900][ T351] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 40.967921][ T351] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.967923][ T351] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 40.967926][ T351] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.967928][ T351] ? mark_usage (kernel/locking/lockdep.c:4690) [ 40.967930][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.967935][ T351] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.967937][ T351] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 40.967939][ T351] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 40.967942][ T351] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.967946][ T351] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 40.967948][ T351] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 40.967952][ T351] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 40.967953][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.967958][ T351] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.967960][ T351] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 40.967964][ T351] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 40.967966][ T351] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 40.967970][ T351] ? netlink_ack (./include/linux/skbuff.h:2718) [ 40.967976][ T351] ? 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)) [ 40.967978][ T351] ? 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)) [ 40.967982][ T351] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 40.967986][ T351] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 40.967989][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.967993][ T351] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 40.967997][ T351] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 40.968001][ T351] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 40.968007][ T351] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 40.968010][ T351] ? copy_msghdr_from_user (net/socket.c:2650) [ 40.968012][ T351] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 40.968014][ T351] ? move_addr_to_kernel (net/socket.c:258) [ 40.968020][ T351] ___sys_sendmsg (net/socket.c:2767) [ 40.968023][ T351] ? copy_msghdr_from_user (net/socket.c:2619) [ 40.968038][ T351] __sys_sendmsg (net/socket.c:2799) [ 40.968041][ T351] ? __sys_sendmsg_sock (net/socket.c:2780) [ 40.968047][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.968050][ T351] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 40.968052][ T351] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 40.968054][ T351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 40.968057][ T351] RIP: 0033:0x7f228b79654e [ 40.968063][ T351] 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 [ 40.968065][ T351] RSP: 002b:00007ffcce76fe30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 40.968067][ T351] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f228b79654e [ 40.968069][ T351] RDX: 0000000000000000 RSI: 00007ffcce76fee0 RDI: 0000000000000005 [ 40.968069][ T351] RBP: 00007ffcce76fe40 R08: 0000000000000000 R09: 0000000000000000 [ 40.968070][ T351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185c2 [ 40.968071][ T351] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcce7705a0 | [ 42.706314][ T365] softirqs last disabled at (42006): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 42.706316][ T365] Preemption disabled at: | [ 42.706317][ T365] 0x0 | [ 42.706327][ T365] Tainted: [W]=WARN [ 42.706328][ T365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.706331][ T365] Call Trace: [ 42.706332][ T365] [ 42.706334][ T365] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.706340][ T365] __might_resched.cold (kernel/sched/core.c:9234) [ 42.706345][ T365] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.706348][ T365] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 42.706354][ T365] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 42.706356][ T365] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.706363][ T365] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 42.706365][ T365] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.706368][ T365] put_chars (drivers/char/virtio_console.c:1176) [ 42.706371][ T365] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 42.706374][ T365] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.706381][ T365] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.706388][ T365] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.706391][ T365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.706396][ T365] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.706399][ T365] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.706403][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.706406][ T365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.706410][ T365] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.706414][ T365] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.706415][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.706421][ T365] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.706423][ T365] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.706425][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.706426][ T365] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 42.706430][ T365] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.706432][ T365] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.706435][ T365] vprintk_emit (kernel/printk/printk.c:2479) [ 42.706438][ T365] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.706440][ T365] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 42.706442][ T365] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.706445][ T365] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.706449][ T365] _printk (kernel/printk/printk.c:2504) [ 42.706453][ T365] ? snapshot_read.cold (user.c:?) [ 42.706460][ T365] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 42.706464][ T365] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 42.706468][ T365] br_device_event (net/bridge/br.c:111) [ 42.706470][ T365] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 42.706474][ T365] ? packet_sendmsg_spkt (af_packet.c:?) [ 42.706479][ T365] notifier_call_chain (kernel/notifier.c:85) [ 42.706485][ T365] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 42.706490][ T365] ? netif_change_name (net/core/dev.c:1517) [ 42.706492][ T365] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 42.706495][ T365] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 42.706498][ T365] ? __kernel_text_address (kernel/extable.c:79) [ 42.706500][ T365] ? write_profile (profile.c:?) [ 42.706505][ T365] netif_change_flags (net/core/dev.c:9882) [ 42.706508][ T365] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 42.706512][ T365] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 42.706514][ T365] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 42.706516][ T365] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 42.706518][ T365] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 42.706521][ T365] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.706523][ T365] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.706525][ T365] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 42.706528][ T365] ? kasan_save_stack (mm/kasan/common.c:58) [ 42.706530][ T365] ? kasan_save_stack (mm/kasan/common.c:57) [ 42.706532][ T365] ? kasan_save_track (mm/kasan/common.c:78) [ 42.706534][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.706536][ T365] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 42.706539][ T365] ? ___sys_sendmsg (net/socket.c:2757) [ 42.706543][ T365] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.706545][ T365] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 42.706548][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.706550][ T365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.706552][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.706553][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.706555][ T365] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 42.706557][ T365] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 42.706559][ T365] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 42.706561][ T365] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 42.706565][ T365] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 42.706570][ T365] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 42.706576][ T365] rtnl_newlink (net/core/rtnetlink.c:4215) [ 42.706581][ T365] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.706584][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.706588][ T365] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.706590][ T365] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.706592][ T365] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.706595][ T365] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.706599][ T365] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.706601][ T365] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 42.706605][ T365] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.706606][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.706611][ T365] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.706613][ T365] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.706617][ T365] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 42.706618][ T365] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.706622][ T365] ? netlink_ack (./include/linux/skbuff.h:2718) [ 42.706628][ T365] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 42.706629][ T365] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 42.706634][ T365] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 42.706637][ T365] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 42.706640][ T365] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.706644][ T365] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 42.706648][ T365] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 42.706652][ T365] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 42.706657][ T365] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 42.706659][ T365] ? copy_msghdr_from_user (net/socket.c:2650) [ 42.706661][ T365] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 42.706663][ T365] ? move_addr_to_kernel (net/socket.c:258) [ 42.706670][ T365] ___sys_sendmsg (net/socket.c:2767) [ 42.706672][ T365] ? copy_msghdr_from_user (net/socket.c:2619) [ 42.706687][ T365] __sys_sendmsg (net/socket.c:2799) [ 42.706690][ T365] ? __sys_sendmsg_sock (net/socket.c:2780) [ 42.706696][ T365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.706699][ T365] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 42.706701][ T365] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 42.706704][ T365] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.706706][ T365] RIP: 0033:0x7fc38e94254e [ 42.706709][ T365] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 42.706711][ T365] RSP: 002b:00007ffdf504d290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 42.706713][ T365] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc38e94254e [ 42.706714][ T365] RDX: 0000000000000000 RSI: 00007ffdf504d340 RDI: 0000000000000005 [ 42.706715][ T365] RBP: 00007ffdf504d2a0 R08: 0000000000000000 R09: 0000000000000000 [ 42.706716][ T365] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185c4 [ 42.706717][ T365] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf504da00 | [ 44.818984][ T38] softirqs last disabled at (128350): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 44.818987][ T38] Preemption disabled at: | [ 44.818987][ T38] 0x0 | [ 44.818998][ T38] Tainted: [W]=WARN [ 44.818998][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.819001][ T38] Workqueue: events_unbound linkwatch_event [ 44.819005][ T38] Call Trace: [ 44.819007][ T38] [ 44.819008][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.819014][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 44.819019][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.819022][ 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) [ 44.819027][ 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)) [ 44.819030][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.819036][ 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) [ 44.819038][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.819042][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 44.819046][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.819049][ T38] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.819055][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.819065][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.819068][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.819071][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.819076][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.819079][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.819083][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.819085][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.819090][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.819094][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.819095][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.819101][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.819103][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.819105][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.819107][ T38] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 44.819111][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.819113][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.819116][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 44.819119][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.819121][ T38] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.819124][ T38] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.819129][ T38] _printk (kernel/printk/printk.c:2504) [ 44.819132][ T38] ? snapshot_read.cold (user.c:?) [ 44.819138][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.819142][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 44.819146][ T38] br_init_port (net/bridge/br_stp_if.c:39) [ 44.819149][ T38] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 44.819151][ T38] br_port_carrier_check (net/bridge/br_if.c:90) [ 44.819155][ T38] br_device_event (net/bridge/br.c:101) [ 44.819158][ T38] ? packet_sendmsg_spkt (af_packet.c:?) [ 44.819160][ T38] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 44.819167][ T38] notifier_call_chain (kernel/notifier.c:85) [ 44.819173][ T38] netif_state_change (net/core/dev.c:1625) [ 44.819177][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 44.819182][ T38] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 44.819184][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 44.819188][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 44.819191][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.819196][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 44.819199][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 44.819202][ T38] process_one_work (kernel/workqueue.c:3387) [ 44.819209][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 44.819211][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.819219][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 44.819226][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.819227][ T38] kthread (kernel/kthread.c:436) [ 44.819230][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 44.819233][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.819237][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 44.819241][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 44.819244][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 44.819248][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.819251][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 46.044650][ T373] softirqs last disabled at (43450): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 46.044653][ T373] Preemption disabled at: | [ 46.044653][ T373] vprintk_emit (kernel/printk/printk.c:2471) | [ 46.044663][ T373] Tainted: [W]=WARN [ 46.044663][ T373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.044666][ T373] Call Trace: [ 46.044667][ T373] [ 46.044669][ T373] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.044674][ T373] ? vprintk_emit (kernel/printk/printk.c:2471) [ 46.044676][ T373] __might_resched.cold (kernel/sched/core.c:9234) [ 46.044680][ T373] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.044684][ T373] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 46.044690][ T373] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 46.044692][ T373] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.044698][ T373] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 46.044701][ T373] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.044704][ T373] put_chars (drivers/char/virtio_console.c:1176) [ 46.044708][ T373] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.044711][ T373] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.044715][ T373] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.044718][ T373] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.044723][ T373] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.044727][ T373] ? mark_usage (kernel/locking/lockdep.c:4690) [ 46.044729][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.044731][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.044735][ T373] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.044738][ T373] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 46.044741][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.044743][ T373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.044752][ T373] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.044756][ T373] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.044760][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.044762][ T373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.044766][ T373] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.044770][ T373] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.044771][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.044777][ T373] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.044779][ T373] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.044781][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.044783][ T373] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 46.044787][ T373] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.044789][ T373] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.044792][ T373] vprintk_emit (kernel/printk/printk.c:2479) [ 46.044795][ T373] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.044800][ T373] _printk (kernel/printk/printk.c:2504) [ 46.044804][ T373] ? snapshot_read.cold (user.c:?) [ 46.044808][ T373] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 46.044810][ T373] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 46.044813][ T373] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 46.044816][ T373] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 46.044819][ T373] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 46.044822][ T373] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 46.044824][ T373] ? netdev_notice (net/core/dev.c:13194) [ 46.044829][ T373] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 46.044832][ T373] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 46.044836][ T373] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 46.044840][ T373] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 46.044845][ T373] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 46.044849][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 46.044851][ T373] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.044854][ T373] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.044862][ T373] ? packet_sendmsg_spkt (af_packet.c:?) [ 46.044867][ T373] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 46.044868][ T373] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 46.044871][ T373] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 46.044876][ T373] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 46.044882][ T373] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 46.044884][ T373] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 46.044886][ T373] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 46.044888][ T373] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 46.044895][ T373] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 46.044897][ T373] ? mark_usage (kernel/locking/lockdep.c:4690) [ 46.044899][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.044901][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.044903][ T373] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 46.044925][ T373] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.044927][ T373] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.044930][ T373] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.044933][ T373] ? mark_usage (kernel/locking/lockdep.c:4690) [ 46.044935][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.044940][ T373] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.044942][ T373] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.044944][ T373] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 46.044946][ T373] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.044950][ T373] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 46.044953][ T373] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 46.044957][ T373] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.044959][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.044963][ T373] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.044966][ T373] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.044969][ T373] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 46.044972][ T373] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.044976][ T373] ? netlink_ack (./include/linux/skbuff.h:2718) [ 46.044982][ T373] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 46.044984][ T373] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 46.044988][ T373] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 46.044992][ T373] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 46.044995][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.044999][ T373] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 46.045003][ T373] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 46.045007][ T373] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 46.045013][ T373] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 46.045017][ T373] ? copy_msghdr_from_user (net/socket.c:2650) [ 46.045019][ T373] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 46.045020][ T373] ? move_addr_to_kernel (net/socket.c:258) [ 46.045027][ T373] ___sys_sendmsg (net/socket.c:2767) [ 46.045030][ T373] ? copy_msghdr_from_user (net/socket.c:2619) [ 46.045046][ T373] __sys_sendmsg (net/socket.c:2799) [ 46.045049][ T373] ? __sys_sendmsg_sock (net/socket.c:2780) [ 46.045055][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.045061][ T373] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 46.045062][ T373] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 46.045065][ T373] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 46.045067][ T373] RIP: 0033:0x7f53ae72754e [ 46.045071][ T373] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 46.045073][ T373] RSP: 002b:00007ffc2982ec70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 46.045076][ T373] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f53ae72754e [ 46.045078][ T373] RDX: 0000000000000000 RSI: 00007ffc2982ed20 RDI: 0000000000000005 [ 46.045079][ T373] RBP: 00007ffc2982ec80 R08: 0000000000000000 R09: 0000000000000000 [ 46.045079][ T373] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185c7 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 __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars