====================================== | [ 9.613290][ T171] softirqs last disabled at (38011): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.613292][ T171] Preemption disabled at: | [ 9.613293][ T171] 0x0 | [ 9.613304][ T171] Tainted: [W]=WARN [ 9.613305][ T171] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.613306][ T171] Call Trace: [ 9.613308][ T171] [ 9.613309][ T171] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.613315][ T171] __might_resched.cold (kernel/sched/core.c:9234) [ 9.613320][ T171] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.613323][ T171] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.613328][ T171] __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)) [ 9.613331][ T171] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.613337][ T171] ? 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) [ 9.613339][ T171] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.613343][ T171] put_chars (drivers/char/virtio_console.c:1176) [ 9.613346][ T171] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.613348][ T171] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 9.613351][ T171] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.613355][ T171] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.613360][ T171] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.613364][ T171] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.613366][ T171] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.613370][ T171] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.613374][ T171] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.613376][ T171] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.613380][ T171] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.613384][ T171] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.613388][ T171] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.613390][ T171] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.613394][ T171] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.613397][ T171] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.613399][ T171] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.613407][ T171] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.613411][ T171] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.613412][ T171] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.613414][ T171] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.613418][ T171] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.613420][ T171] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.613423][ T171] vprintk_emit (kernel/printk/printk.c:2479) [ 9.613426][ T171] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.613429][ T171] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.613433][ T171] _printk (kernel/printk/printk.c:2504) [ 9.613437][ T171] ? snapshot_read.cold (user.c:?) [ 9.613440][ T171] ? 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) [ 9.613442][ T171] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.613445][ T171] ? 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) [ 9.613447][ T171] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.613451][ T171] ? exit_notify (kernel/exit.c:780) [ 9.613453][ T171] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.613456][ T171] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.613460][ T171] do_group_exit (kernel/exit.c:1151) [ 9.613463][ T171] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.613465][ T171] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.613468][ T171] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.613471][ T171] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.613474][ T171] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.613476][ T171] RIP: 0033:0x7fd3aa29d1b8 [ 9.613479][ T171] Code: Unable to access opcode bytes at 0x7fd3aa29d18e. Code starting with the faulting instruction =========================================== [ 9.613480][ T171] RSP: 002b:00007ffde871c2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.613482][ T171] RAX: ffffffffffffffda RBX: 00007fd3aa3cdf88 RCX: 00007fd3aa29d1b8 [ 9.613483][ T171] RDX: 00007fd3a9fe7fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.613484][ T171] RBP: 00007ffde871c350 R08: 0000000000000000 R09: 0000000000000000 [ 9.613485][ T171] R10: 00007ffde871c110 R11: 0000000000000246 R12: 0000000000000001 [ 9.613486][ T171] R13: 0000000000000000 R14: 00007fd3aa3cc680 R15: 00007fd3aa3cdfa0 | [ 14.191424][ T183] softirqs last disabled at (39732): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 14.191427][ T183] Preemption disabled at: | [ 14.191428][ T183] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.191437][ T183] Tainted: [W]=WARN [ 14.191438][ T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.191440][ T183] Call Trace: [ 14.191441][ T183] [ 14.191443][ T183] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.191448][ T183] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.191450][ T183] __might_resched.cold (kernel/sched/core.c:9234) [ 14.191454][ T183] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.191458][ T183] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.191463][ T183] __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)) [ 14.191466][ T183] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.191472][ T183] ? 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) [ 14.191475][ T183] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.191478][ T183] put_chars (drivers/char/virtio_console.c:1176) [ 14.191482][ T183] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.191485][ T183] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.191489][ T183] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.191492][ T183] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.191497][ T183] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.191501][ T183] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.191503][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.191505][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.191509][ T183] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.191512][ T183] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.191515][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.191517][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.191521][ T183] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.191525][ T183] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.191529][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.191531][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.191535][ T183] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.191538][ T183] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.191540][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.191545][ T183] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.191548][ T183] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.191549][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.191551][ T183] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.191555][ T183] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.191557][ T183] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.191560][ T183] vprintk_emit (kernel/printk/printk.c:2479) [ 14.191563][ T183] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.191565][ T183] ? packet_sendmsg_spkt (af_packet.c:?) [ 14.191572][ T183] _printk (kernel/printk/printk.c:2504) [ 14.191575][ T183] ? snapshot_read.cold (user.c:?) [ 14.191580][ T183] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 14.191583][ T183] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 14.191586][ T183] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 14.191589][ T183] ? netdev_notice (net/core/dev.c:13194) [ 14.191593][ T183] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 14.191596][ T183] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 14.191601][ T183] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 14.191607][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.191609][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.191611][ T183] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 14.191616][ T183] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.191618][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.191625][ T183] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 14.191631][ T183] do_set_master (net/core/rtnetlink.c:3055) [ 14.191635][ T183] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.191639][ T183] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 14.191642][ T183] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 14.191644][ T183] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 14.191646][ T183] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 14.191650][ T183] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.191652][ T183] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.191654][ T183] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.191657][ T183] ? kasan_save_stack (mm/kasan/common.c:58) [ 14.191659][ T183] ? kasan_save_stack (mm/kasan/common.c:57) [ 14.191660][ T183] ? kasan_save_track (mm/kasan/common.c:78) [ 14.191663][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.191665][ T183] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 14.191668][ T183] ? ___sys_sendmsg (net/socket.c:2757) [ 14.191672][ T183] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.191675][ T183] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.191678][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.191680][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.191682][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.191683][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.191685][ T183] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 14.191687][ T183] ? __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) [ 14.191690][ T183] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 14.191692][ T183] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.191696][ T183] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 14.191698][ T183] ? nla_get_range_signed (lib/nlattr.c:270) [ 14.191704][ T183] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 14.191710][ T183] rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.191716][ T183] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.191718][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.191723][ T183] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.191725][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.191727][ T183] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.191729][ T183] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.191733][ T183] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.191736][ T183] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.191739][ T183] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.191741][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.191746][ T183] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.191748][ T183] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.191752][ T183] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.191754][ T183] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.191757][ T183] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.191764][ T183] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 14.191765][ T183] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 14.191770][ T183] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.191774][ T183] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.191776][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.191781][ T183] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.191785][ T183] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.191789][ T183] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.191795][ T183] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 14.191797][ T183] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.191799][ T183] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 14.191800][ T183] ? move_addr_to_kernel (net/socket.c:258) [ 14.191807][ T183] ___sys_sendmsg (net/socket.c:2767) [ 14.191810][ T183] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.191825][ T183] __sys_sendmsg (net/socket.c:2799) [ 14.191828][ T183] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.191834][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.191837][ T183] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.191839][ T183] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.191842][ T183] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.191844][ T183] RIP: 0033:0x7f6aa045f54e [ 14.191849][ T183] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 14.191850][ T183] RSP: 002b:00007fff5407c980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.191853][ T183] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6aa045f54e [ 14.191855][ T183] RDX: 0000000000000000 RSI: 00007fff5407ca30 RDI: 0000000000000005 [ 14.191855][ T183] RBP: 00007fff5407c990 R08: 0000000000000000 R09: 0000000000000000 [ 14.191856][ T183] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918945 [ 14.191857][ T183] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5407d0f0 | [ 18.709985][ T12] softirqs last disabled at (10586): xfrm_dev_policy_flush (./include/linux/spinlock.h:353 net/xfrm/xfrm_policy.c:1857) | [ 18.709987][ T12] Preemption disabled at: | [ 18.709988][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 18.709997][ T12] Tainted: [W]=WARN [ 18.709997][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.709999][ T12] Workqueue: netns cleanup_net [ 18.710002][ T12] Call Trace: [ 18.710004][ T12] [ 18.710006][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.710011][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 18.710013][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 18.710018][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.710021][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.710026][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 18.710029][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.710035][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 18.710037][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.710041][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 18.710045][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.710049][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 18.710054][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.710058][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.710064][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.710067][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.710073][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.710077][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.710081][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.710083][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.710088][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.710092][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.710093][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.710099][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.710101][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.710103][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.710105][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.710109][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.710111][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.710114][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 18.710117][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.710119][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 18.710126][ T12] _printk (kernel/printk/printk.c:2504) [ 18.710129][ T12] ? snapshot_read.cold (user.c:?) [ 18.710138][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 18.710141][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 18.710145][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 18.710147][ T12] ? netdev_notice (net/core/dev.c:13194) [ 18.710152][ T12] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 18.710155][ T12] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 18.710159][ T12] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 18.710166][ T12] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 18.710169][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.710174][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.710181][ T12] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 18.710184][ T12] ? bond_slave_netdev_event.isra.0 (drivers/net/bonding/bond_main.c:3963 (discriminator 3)) [ 18.710186][ T12] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 18.710195][ T12] bond_netdev_event (drivers/net/bonding/bond_main.c:4090) [ 18.710199][ T12] notifier_call_chain (kernel/notifier.c:85) [ 18.710205][ T12] unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518) [ 18.710210][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 18.710219][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 18.710221][ T12] ? generic_xdp_install (./include/linux/netdevice.h:5716 (discriminator 3)) [ 18.710224][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 18.710227][ T12] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 18.710228][ T12] ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:154 (discriminator 1) net/ipv4/nexthop.c:4172 (discriminator 1)) [ 18.710234][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 18.710237][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 18.710241][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 18.710242][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.710246][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 18.710250][ T12] cleanup_net (net/core/net_namespace.c:706) [ 18.710253][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 18.710257][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.710259][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.710263][ T12] process_one_work (kernel/workqueue.c:3387) [ 18.710269][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 18.710271][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.710279][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 18.710286][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.710287][ T12] kthread (kernel/kthread.c:436) [ 18.710290][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.710294][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.710297][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 18.710301][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 18.710305][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 18.710308][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print xfrm_dev_policy_flush:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars