====================================== | [ 9.668079][ T179] softirqs last disabled at (26834): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.668082][ T179] Preemption disabled at: | [ 9.668082][ T179] 0x0 | [ 9.668092][ T179] Tainted: [W]=WARN [ 9.668093][ T179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.668095][ T179] Call Trace: [ 9.668097][ T179] [ 9.668098][ T179] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.668105][ T179] __might_resched.cold (kernel/sched/core.c:9234) [ 9.668109][ T179] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.668113][ T179] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.668118][ T179] __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)) [ 9.668120][ T179] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.668126][ T179] ? 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) [ 9.668128][ T179] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.668132][ T179] put_chars (drivers/char/virtio_console.c:1176) [ 9.668135][ T179] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.668137][ T179] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.668142][ T179] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.668147][ T179] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.668153][ T179] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.668155][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.668158][ T179] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.668162][ T179] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.668166][ T179] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.668167][ T179] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.668170][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.668173][ T179] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.668177][ T179] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.668181][ T179] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.668183][ T179] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.668187][ T179] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.668190][ T179] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.668192][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.668194][ T179] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.668198][ T179] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.668200][ T179] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.668203][ T179] vprintk_emit (kernel/printk/printk.c:2479) [ 9.668207][ T179] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.668210][ T179] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.668214][ T179] _printk (kernel/printk/printk.c:2504) [ 9.668217][ T179] ? snapshot_read.cold (user.c:?) [ 9.668220][ T179] ? 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) [ 9.668223][ T179] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.668226][ T179] ? 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) [ 9.668229][ T179] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.668233][ T179] ? exit_notify (kernel/exit.c:780) [ 9.668234][ T179] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.668237][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.668241][ T179] do_group_exit (kernel/exit.c:1151) [ 9.668244][ T179] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.668246][ T179] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.668249][ T179] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.668252][ T179] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.668255][ T179] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.668257][ T179] RIP: 0033:0x7fa51cd4d1b8 [ 9.668259][ T179] Code: Unable to access opcode bytes at 0x7fa51cd4d18e. Code starting with the faulting instruction =========================================== [ 9.668260][ T179] RSP: 002b:00007ffd24e7c908 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.668263][ T179] RAX: ffffffffffffffda RBX: 00007fa51ce7df88 RCX: 00007fa51cd4d1b8 [ 9.668264][ T179] RDX: 00007fa51ca97fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.668265][ T179] RBP: 00007ffd24e7c960 R08: 0000000000000000 R09: 0000000000000050 [ 9.668266][ T179] R10: 00007ffd24e7c720 R11: 0000000000000246 R12: 0000000000000001 [ 9.668266][ T179] R13: 0000000000000000 R14: 00007fa51ce7c680 R15: 00007fa51ce7dfa0 | [ 11.749288][ T214] softirqs last disabled at (23306): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 11.749290][ T214] Preemption disabled at: | [ 11.749291][ T214] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.749300][ T214] Tainted: [W]=WARN [ 11.749301][ T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.749303][ T214] Call Trace: [ 11.749304][ T214] [ 11.749306][ T214] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.749312][ T214] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.749314][ T214] __might_resched.cold (kernel/sched/core.c:9234) [ 11.749319][ T214] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.749323][ T214] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.749328][ T214] __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)) [ 11.749330][ T214] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.749336][ T214] ? 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) [ 11.749339][ T214] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.749342][ T214] put_chars (drivers/char/virtio_console.c:1176) [ 11.749345][ T214] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.749346][ T214] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 11.749351][ T214] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.749354][ T214] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.749357][ T214] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.749359][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.749361][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.749365][ T214] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.749366][ T214] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.749371][ T214] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.749375][ T214] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.749378][ T214] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.749380][ T214] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 11.749383][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.749389][ T214] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.749393][ T214] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.749398][ T214] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.749399][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.749405][ T214] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.749408][ T214] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.749409][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.749412][ T214] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.749415][ T214] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.749417][ T214] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.749421][ T214] vprintk_emit (kernel/printk/printk.c:2479) [ 11.749424][ T214] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.749427][ T214] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.749428][ T214] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 11.749432][ T214] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.749436][ T214] _printk (kernel/printk/printk.c:2504) [ 11.749439][ T214] ? snapshot_read.cold (user.c:?) [ 11.749443][ T214] ? br_multicast_flood (??:?) [ 11.749445][ T214] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.749447][ T214] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.749448][ T214] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.749452][ T214] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 11.749456][ T214] br_init_port (net/bridge/br_stp_if.c:39) [ 11.749459][ T214] new_nbp (net/bridge/br_if.c:449) [ 11.749463][ T214] br_add_if (net/bridge/br_if.c:592) [ 11.749466][ T214] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 11.749469][ T214] ? __kernel_text_address (kernel/extable.c:79) [ 11.749473][ T214] do_set_master (net/core/rtnetlink.c:3071) [ 11.749475][ T214] ? netif_change_flags (net/core/dev.c:9882) [ 11.749478][ T214] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.749482][ T214] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.749485][ T214] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.749486][ T214] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.749488][ T214] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.749492][ T214] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.749495][ T214] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.749497][ T214] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.749499][ T214] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.749502][ T214] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.749504][ T214] ? kasan_save_track (mm/kasan/common.c:78) [ 11.749507][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.749509][ T214] ? __netlink_deliver_tap (./include/linux/skbuff.h:1384 net/netlink/af_netlink.c:174 net/netlink/af_netlink.c:299 net/netlink/af_netlink.c:326) [ 11.749512][ T214] ? ___sys_sendmsg (net/socket.c:2756) [ 11.749517][ T214] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.749519][ T214] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.749522][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.749524][ T214] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.749526][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.749528][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.749530][ T214] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.749534][ T214] ? __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) [ 11.749537][ T214] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.749539][ T214] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.749543][ T214] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.749545][ T214] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.749550][ T214] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.749555][ T214] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.749561][ T214] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.749563][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.749567][ T214] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.749569][ T214] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.749571][ T214] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.749573][ T214] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.749577][ T214] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.749579][ T214] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.749582][ T214] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.749584][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.749588][ T214] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.749590][ T214] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.749594][ T214] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.749596][ T214] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.749599][ T214] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.749606][ T214] ? 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)) [ 11.749608][ T214] ? 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)) [ 11.749612][ T214] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.749616][ T214] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.749619][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.749624][ T214] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.749628][ T214] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.749632][ T214] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.749637][ T214] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 11.749640][ T214] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.749642][ T214] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 11.749644][ T214] ? move_addr_to_kernel (net/socket.c:258) [ 11.749652][ T214] ___sys_sendmsg (net/socket.c:2767) [ 11.749655][ T214] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.749671][ T214] __sys_sendmsg (net/socket.c:2799) [ 11.749674][ T214] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.749680][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.749684][ T214] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.749687][ T214] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.749690][ T214] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.749693][ T214] RIP: 0033:0x7fcdc10e654e [ 11.749696][ T214] 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 [ 11.749698][ T214] RSP: 002b:00007fff431489d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.749701][ T214] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcdc10e654e [ 11.749702][ T214] RDX: 0000000000000000 RSI: 00007fff43148a80 RDI: 0000000000000005 [ 11.749703][ T214] RBP: 00007fff431489e0 R08: 0000000000000000 R09: 0000000000000000 [ 11.749704][ T214] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9109a2 [ 11.749705][ T214] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff43149150 | [ 25.482842][ T70] softirqs last disabled at (26805): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 25.482845][ T70] Preemption disabled at: | [ 25.482846][ T70] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.482857][ T70] Tainted: [W]=WARN [ 25.482858][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.482861][ T70] Workqueue: netns cleanup_net [ 25.482865][ T70] Call Trace: [ 25.482867][ T70] [ 25.482870][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.482877][ T70] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.482880][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 25.482886][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.482892][ T70] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.482899][ T70] __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)) [ 25.482902][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.482911][ T70] ? 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) [ 25.482915][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.482920][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 25.482923][ T70] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 25.482927][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.482932][ T70] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 25.482940][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.482951][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.482955][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.482961][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.482967][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.482973][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.482976][ T70] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 25.482981][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.482984][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.482991][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.482999][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.483001][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.483012][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.483016][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.483019][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.483023][ T70] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.483029][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.483032][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.483038][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 25.483045][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.483049][ T70] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 25.483052][ T70] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.483055][ T70] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 25.483058][ T70] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 25.483065][ T70] _printk (kernel/printk/printk.c:2504) [ 25.483070][ T70] ? snapshot_read.cold (user.c:?) [ 25.483075][ T70] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 25.483085][ T70] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 25.483090][ T70] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 25.483096][ T70] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 25.483100][ T70] ? netdev_notice (net/core/dev.c:13194) [ 25.483107][ T70] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 25.483109][ T70] ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2)) [ 25.483113][ T70] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 25.483120][ T70] ? 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) [ 25.483126][ T70] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 25.483129][ T70] ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2)) [ 25.483134][ T70] netif_set_promiscuity (net/core/dev.c:9699) [ 25.483141][ T70] dev_set_promiscuity (net/core/dev_api.c:288) [ 25.483146][ T70] hsr_del_port (net/hsr/hsr_slave.c:244) [ 25.483154][ T70] hsr_del_ports (net/hsr/hsr_device.c:498) [ 25.483157][ T70] hsr_dellink (net/hsr/hsr_netlink.c:141) [ 25.483162][ T70] default_device_exit_batch (net/core/dev.c:13280) [ 25.483168][ T70] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 25.483172][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.483176][ T70] ? 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) [ 25.483183][ T70] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 25.483190][ T70] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.483193][ T70] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 25.483196][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.483201][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 25.483209][ T70] cleanup_net (net/core/net_namespace.c:706) [ 25.483214][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 25.483221][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.483224][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.483231][ T70] process_one_work (kernel/workqueue.c:3387) [ 25.483244][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 25.483249][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.483263][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 25.483271][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.483274][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 25.483279][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.483284][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.483287][ T70] kthread (kernel/kthread.c:436) [ 25.483290][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 25.483294][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.483299][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 25.483305][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 25.483311][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 25.483315][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print addrconf_permanent_addr:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars