====================================== | [ 10.385603][ T213] softirqs last disabled at (29259): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.385606][ T213] Preemption disabled at: | [ 10.385606][ T213] 0x0 | [ 10.385617][ T213] Tainted: [W]=WARN [ 10.385618][ T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.385619][ T213] Call Trace: [ 10.385621][ T213] [ 10.385622][ T213] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.385629][ T213] __might_resched.cold (kernel/sched/core.c:9234) [ 10.385634][ T213] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.385639][ T213] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.385643][ T213] __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)) [ 10.385645][ T213] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.385652][ T213] ? 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) [ 10.385655][ T213] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.385659][ T213] put_chars (drivers/char/virtio_console.c:1176) [ 10.385661][ T213] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.385663][ T213] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.385666][ T213] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.385672][ T213] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.385680][ T213] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.385683][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.385685][ T213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.385689][ T213] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.385694][ T213] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.385696][ T213] ? 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)) [ 10.385699][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.385701][ T213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.385705][ T213] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.385710][ T213] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.385712][ T213] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.385717][ T213] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.385721][ T213] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.385723][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.385724][ T213] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 10.385728][ T213] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.385730][ T213] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.385733][ T213] vprintk_emit (kernel/printk/printk.c:2479) [ 10.385737][ T213] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.385740][ T213] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.385744][ T213] _printk (kernel/printk/printk.c:2504) [ 10.385748][ T213] ? snapshot_read.cold (user.c:?) [ 10.385751][ T213] ? 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) [ 10.385754][ T213] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.385758][ T213] ? 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) [ 10.385762][ T213] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.385766][ T213] ? exit_notify (kernel/exit.c:780) [ 10.385767][ T213] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.385770][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.385774][ T213] do_group_exit (kernel/exit.c:1151) [ 10.385777][ T213] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.385779][ T213] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.385782][ T213] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.385786][ T213] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.385789][ T213] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.385792][ T213] RIP: 0033:0x7efd663881b8 [ 10.385794][ T213] Code: Unable to access opcode bytes at 0x7efd6638818e. Code starting with the faulting instruction =========================================== [ 10.385795][ T213] RSP: 002b:00007ffce41800a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.385798][ T213] RAX: ffffffffffffffda RBX: 00007efd664b8f88 RCX: 00007efd663881b8 [ 10.385799][ T213] RDX: 00007efd660d2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.385800][ T213] RBP: 00007ffce4180100 R08: 0000000000000000 R09: 0000000000000050 [ 10.385801][ T213] R10: 00007ffce417fec0 R11: 0000000000000246 R12: 0000000000000001 [ 10.385802][ T213] R13: 0000000000000000 R14: 00007efd664b7680 R15: 00007efd664b8fa0 | [ 12.532941][ T272] softirqs last disabled at (23700): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 12.532944][ T272] Preemption disabled at: | [ 12.532945][ T272] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.532957][ T272] Tainted: [W]=WARN [ 12.532958][ T272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.532961][ T272] Call Trace: [ 12.532963][ T272] [ 12.532965][ T272] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.532973][ T272] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.532976][ T272] __might_resched.cold (kernel/sched/core.c:9234) [ 12.532982][ T272] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.532987][ T272] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.532994][ T272] __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)) [ 12.532997][ T272] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.533007][ T272] ? 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) [ 12.533011][ T272] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.533017][ T272] put_chars (drivers/char/virtio_console.c:1176) [ 12.533021][ T272] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.533026][ T272] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.533035][ T272] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.533048][ T272] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.533052][ T272] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.533056][ T272] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.533063][ T272] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.533069][ T272] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.533072][ T272] ? 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)) [ 12.533078][ T272] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.533081][ T272] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.533088][ T272] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.533095][ T272] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.533098][ T272] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.533107][ T272] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.533112][ T272] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.533115][ T272] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.533118][ T272] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 12.533124][ T272] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.533127][ T272] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.533132][ T272] vprintk_emit (kernel/printk/printk.c:2479) [ 12.533137][ T272] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.533140][ T272] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.533143][ T272] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.533149][ T272] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.533155][ T272] _printk (kernel/printk/printk.c:2504) [ 12.533160][ T272] ? snapshot_read.cold (user.c:?) [ 12.533166][ T272] ? br_multicast_flood (??:?) [ 12.533170][ T272] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.533172][ T272] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.533174][ T272] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.533182][ T272] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 12.533188][ T272] br_init_port (net/bridge/br_stp_if.c:39) [ 12.533193][ T272] new_nbp (net/bridge/br_if.c:449) [ 12.533200][ T272] br_add_if (net/bridge/br_if.c:592) [ 12.533208][ T272] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 12.533213][ T272] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 12.533223][ T272] do_set_master (net/core/rtnetlink.c:3071) [ 12.533225][ T272] ? netif_change_flags (net/core/dev.c:9882) [ 12.533232][ T272] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.533238][ T272] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.533243][ T272] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.533246][ T272] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.533249][ T272] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.533254][ T272] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.533258][ T272] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.533260][ T272] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.533264][ T272] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.533267][ T272] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.533269][ T272] ? kasan_save_track (mm/kasan/common.c:78) [ 12.533271][ T272] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 12.533275][ T272] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.533278][ T272] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 12.533282][ T272] ? ___sys_sendmsg (net/socket.c:2758) [ 12.533289][ T272] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.533292][ T272] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.533296][ T272] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.533299][ T272] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.533301][ T272] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.533303][ T272] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.533306][ T272] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.533310][ T272] ? __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) [ 12.533313][ T272] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.533316][ T272] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.533327][ T272] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.533329][ T272] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.533337][ T272] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.533341][ T272] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.533351][ T272] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.533361][ T272] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.533364][ T272] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.533373][ T272] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.533376][ T272] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.533379][ T272] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.533383][ T272] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.533389][ T272] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.533393][ T272] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.533399][ T272] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.533401][ T272] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.533409][ T272] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.533412][ T272] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.533418][ T272] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.533422][ T272] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.533428][ T272] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.533440][ T272] ? 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)) [ 12.533442][ T272] ? 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)) [ 12.533451][ T272] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.533457][ T272] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.533462][ T272] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.533470][ T272] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.533476][ T272] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.533483][ T272] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.533486][ T272] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 12.533494][ T272] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 12.533499][ T272] ____sys_sendmsg (net/socket.c:2713) [ 12.533503][ T272] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.533506][ T272] ? sock_write_iter (net/socket.c:1269) [ 12.533509][ T272] ? move_addr_to_kernel (net/socket.c:258) [ 12.533523][ T272] ___sys_sendmsg (net/socket.c:2767) [ 12.533527][ T272] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.533558][ T272] __sys_sendmsg (net/socket.c:2799) [ 12.533563][ T272] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.533574][ T272] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.533580][ T272] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.533584][ T272] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.533589][ T272] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.533592][ T272] RIP: 0033:0x7fb19dbf654e [ 12.533597][ T272] 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 [ 12.533600][ T272] RSP: 002b:00007ffc94300230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.533603][ T272] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb19dbf654e [ 12.533605][ T272] RDX: 0000000000000000 RSI: 00007ffc943002e0 RDI: 0000000000000005 [ 12.533607][ T272] RBP: 00007ffc94300240 R08: 0000000000000000 R09: 0000000000000000 [ 12.533608][ T272] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a9e5 [ 12.533609][ T272] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc943009b0 | [ 13.573779][ T298] softirqs last disabled at (23748): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 13.573781][ T298] Preemption disabled at: | [ 13.573782][ T298] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.573789][ T298] Tainted: [W]=WARN [ 13.573790][ T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.573792][ T298] Call Trace: [ 13.573793][ T298] [ 13.573795][ T298] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.573801][ T298] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.573802][ T298] __might_resched.cold (kernel/sched/core.c:9234) [ 13.573807][ T298] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.573811][ T298] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.573816][ T298] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 13.573818][ T298] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.573824][ T298] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 13.573827][ T298] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.573831][ T298] put_chars (drivers/char/virtio_console.c:1176) [ 13.573834][ T298] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.573835][ T298] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.573838][ T298] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.573841][ T298] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.573847][ T298] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.573851][ T298] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.573856][ T298] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.573860][ T298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.573864][ T298] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.573869][ T298] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.573871][ T298] ? 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)) [ 13.573874][ T298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.573876][ T298] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.573880][ T298] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.573884][ T298] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.573886][ T298] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.573892][ T298] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.573895][ T298] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.573897][ T298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.573898][ T298] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 13.573902][ T298] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.573904][ T298] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.573907][ T298] vprintk_emit (kernel/printk/printk.c:2479) [ 13.573910][ T298] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.573912][ T298] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.573915][ T298] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.573919][ T298] _printk (kernel/printk/printk.c:2504) [ 13.573922][ T298] ? snapshot_read.cold (user.c:?) [ 13.573926][ T298] ? br_multicast_flood (??:?) [ 13.573929][ T298] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 13.573930][ T298] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 13.573932][ T298] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.573936][ T298] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 13.573940][ T298] br_init_port (net/bridge/br_stp_if.c:39) [ 13.573943][ T298] new_nbp (net/bridge/br_if.c:449) [ 13.573947][ T298] br_add_if (net/bridge/br_if.c:592) [ 13.573949][ T298] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 13.573957][ T298] do_set_master (net/core/rtnetlink.c:3071) [ 13.573961][ T298] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 13.573965][ T298] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 13.573966][ T298] ? __dev_get_by_name (net/core/dev.c:905) [ 13.573969][ T298] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 13.573978][ T298] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 13.573985][ T298] rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.573991][ T298] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.573993][ T298] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.574000][ T298] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.574003][ T298] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.574006][ T298] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.574009][ T298] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.574010][ T298] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.574015][ T298] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.574017][ T298] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.574021][ T298] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 13.574024][ T298] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.574027][ T298] ? netlink_ack (./include/linux/skbuff.h:2718) [ 13.574034][ T298] ? 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)) [ 13.574036][ T298] ? 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)) [ 13.574041][ T298] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 13.574045][ T298] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.574051][ T298] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 13.574055][ T298] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.574059][ T298] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.574061][ T298] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 13.574067][ T298] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 13.574070][ T298] ____sys_sendmsg (net/socket.c:2713) [ 13.574073][ T298] ? copy_msghdr_from_user (net/socket.c:2650) [ 13.574075][ T298] ? sock_write_iter (net/socket.c:1269) [ 13.574077][ T298] ? move_addr_to_kernel (net/socket.c:258) [ 13.574081][ T298] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 13.574084][ T298] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.574088][ T298] ___sys_sendmsg (net/socket.c:2767) [ 13.574090][ T298] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 13.574093][ T298] ? copy_msghdr_from_user (net/socket.c:2619) [ 13.574095][ T298] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 13.574111][ T298] __sys_sendmsg (net/socket.c:2799) [ 13.574114][ T298] ? __sys_sendmsg_sock (net/socket.c:2780) [ 13.574120][ T298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.574121][ T298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.574125][ T298] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.574129][ T298] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.574132][ T298] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.574134][ T298] RIP: 0033:0x7f59ff7ad54e [ 13.574138][ T298] 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 [ 13.574140][ T298] RSP: 002b:00007ffe33059b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.574143][ T298] RAX: ffffffffffffffda RBX: 00007ffe3305a318 RCX: 00007f59ff7ad54e [ 13.574144][ T298] RDX: 0000000000000000 RSI: 00007ffe33059c00 RDI: 0000000000000005 [ 13.574145][ T298] RBP: 00007ffe33059b60 R08: 0000000000000000 R09: 0000000000000000 [ 13.574146][ T298] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a9e6 [ 13.574147][ T298] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3305a2d0 | [ 19.082247][ T314] softirqs last disabled at (16883): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 19.082249][ T314] Preemption disabled at: | [ 19.082250][ T314] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.082259][ T314] Tainted: [W]=WARN [ 19.082260][ T314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.082261][ T314] Call Trace: [ 19.082263][ T314] [ 19.082264][ T314] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.082271][ T314] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.082272][ T314] __might_resched.cold (kernel/sched/core.c:9234) [ 19.082277][ T314] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.082281][ T314] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.082286][ T314] __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)) [ 19.082288][ T314] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.082294][ T314] ? 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) [ 19.082297][ T314] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.082301][ T314] put_chars (drivers/char/virtio_console.c:1176) [ 19.082302][ T314] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 19.082305][ T314] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.082308][ T314] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.082311][ T314] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.082315][ T314] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.082320][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.082321][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.082326][ T314] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.082328][ T314] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 19.082331][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.082334][ T314] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.082338][ T314] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.082342][ T314] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.082343][ T314] ? 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)) [ 19.082347][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.082348][ T314] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.082355][ T314] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.082360][ T314] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.082362][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.082367][ T314] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.082370][ T314] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.082372][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.082373][ T314] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 19.082377][ T314] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.082379][ T314] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.082382][ T314] vprintk_emit (kernel/printk/printk.c:2479) [ 19.082385][ T314] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.082390][ T314] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 19.082393][ T314] _printk (kernel/printk/printk.c:2504) [ 19.082397][ T314] ? snapshot_read.cold (user.c:?) [ 19.082403][ T314] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 19.082407][ T314] gact_init_module (net/sched/act_gact.c:180) act_gact [ 19.082409][ T314] do_one_initcall (init/main.c:1357) [ 19.082412][ T314] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 19.082417][ T314] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 19.082419][ T314] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 19.082425][ T314] do_init_module (kernel/module/main.c:3117) [ 19.082428][ T314] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.082432][ T314] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 19.082435][ T314] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 19.082439][ T314] load_module (kernel/module/main.c:3593) [ 19.082444][ T314] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 19.082449][ T314] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 19.082452][ T314] ? __ia32_sys_fsconfig (??:?) [ 19.082456][ T314] ? backing_file_read_iter (fs/backing-file.c:211) [ 19.082460][ T314] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.082464][ T314] init_module_from_file (kernel/module/main.c:3790) [ 19.082466][ T314] ? __do_sys_init_module (kernel/module/main.c:3664) [ 19.082474][ T314] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.082478][ T314] ? 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) [ 19.082481][ T314] idempotent_init_module (kernel/module/main.c:3802) [ 19.082484][ T314] ? init_module_from_file (kernel/module/main.c:3791) [ 19.082489][ T314] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 19.082492][ T314] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 19.082497][ T314] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 19.082499][ T314] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.082503][ T314] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.082506][ T314] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.082508][ T314] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.082511][ T314] RIP: 0033:0x7fd74b4af37d [ 19.082514][ T314] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 19.082516][ T314] RSP: 002b:00007fffaf078138 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 19.082519][ T314] RAX: ffffffffffffffda RBX: 0000555e38e5d810 RCX: 00007fd74b4af37d [ 19.082520][ T314] RDX: 0000000000000000 RSI: 0000555e0bf60ffd RDI: 0000000000000000 [ 19.082521][ T314] RBP: 00007fffaf0781d0 R08: 0000000000000000 R09: 0000000000000000 [ 19.082522][ T314] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555e0bf60ffd [ 19.082523][ T314] R13: 0000555e38e5d960 R14: 0000000000040000 R15: 0000000000000000 | [ 25.349445][ T12] softirqs last disabled at (30718): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 25.349447][ T12] Preemption disabled at: | [ 25.349448][ T12] 0x0 | [ 25.349459][ T12] Tainted: [W]=WARN [ 25.349460][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.349461][ T12] Workqueue: netns cleanup_net [ 25.349465][ T12] Call Trace: [ 25.349466][ T12] [ 25.349469][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.349475][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 25.349480][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.349484][ 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) [ 25.349489][ 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)) [ 25.349491][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.349497][ 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) [ 25.349500][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.349504][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 25.349506][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.349513][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.349521][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.349524][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.349529][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.349533][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.349535][ T12] ? 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)) [ 25.349538][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.349541][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.349545][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.349549][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.349551][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.349557][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.349560][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.349562][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.349564][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 25.349568][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.349570][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.349572][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 25.349576][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.349577][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.349582][ T12] _printk (kernel/printk/printk.c:2504) [ 25.349586][ T12] ? snapshot_read.cold (user.c:?) [ 25.349594][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 25.349599][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 25.349602][ T12] br_device_event (net/bridge/br.c:111) [ 25.349604][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 25.349608][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 25.349614][ T12] notifier_call_chain (kernel/notifier.c:85) [ 25.349620][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 25.349624][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 25.349627][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 25.349630][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 25.349635][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 25.349637][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 25.349639][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 25.349641][ T12] ? kthread (kernel/kthread.c:436) [ 25.349643][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 25.349646][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 25.349649][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 25.349652][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.349658][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 25.349662][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 25.349664][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.349667][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 25.349671][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 25.349675][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.349678][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 25.349679][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.349683][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 25.349687][ T12] cleanup_net (net/core/net_namespace.c:706) [ 25.349690][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 25.349694][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.349696][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.349700][ T12] process_one_work (kernel/workqueue.c:3387) [ 25.349707][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 25.349710][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.349718][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 25.349725][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.349728][ T12] kthread (kernel/kthread.c:436) [ 25.349729][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 25.349733][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.349736][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 25.349738][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 25.349742][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 25.349745][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.349748][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 28.826233][ T558] softirqs last disabled at (17276): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 28.826235][ T558] Preemption disabled at: | [ 28.826236][ T558] vprintk_emit (kernel/printk/printk.c:2471) | [ 28.826244][ T558] Tainted: [W]=WARN [ 28.826245][ T558] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.826247][ T558] Call Trace: [ 28.826248][ T558] [ 28.826250][ T558] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.826256][ T558] ? vprintk_emit (kernel/printk/printk.c:2471) [ 28.826258][ T558] __might_resched.cold (kernel/sched/core.c:9234) [ 28.826262][ T558] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.826267][ T558] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 28.826271][ T558] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 28.826273][ T558] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.826280][ T558] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 28.826283][ T558] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.826286][ T558] put_chars (drivers/char/virtio_console.c:1176) [ 28.826289][ T558] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.826290][ T558] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.826294][ T558] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.826299][ T558] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.826307][ T558] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.826310][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.826312][ T558] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.826316][ T558] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.826320][ T558] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.826321][ T558] ? 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)) [ 28.826325][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.826326][ T558] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.826330][ T558] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.826334][ T558] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.826336][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.826342][ T558] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.826345][ T558] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.826346][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.826348][ T558] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 28.826352][ T558] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.826353][ T558] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.826356][ T558] vprintk_emit (kernel/printk/printk.c:2479) [ 28.826359][ T558] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.826361][ T558] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.826364][ T558] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 28.826367][ T558] _printk (kernel/printk/printk.c:2504) [ 28.826371][ T558] ? snapshot_read.cold (user.c:?) [ 28.826375][ T558] ? br_multicast_flood (??:?) [ 28.826378][ T558] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 28.826379][ T558] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 28.826380][ T558] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 28.826385][ T558] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 28.826389][ T558] br_init_port (net/bridge/br_stp_if.c:39) [ 28.826391][ T558] new_nbp (net/bridge/br_if.c:449) [ 28.826395][ T558] br_add_if (net/bridge/br_if.c:592) [ 28.826397][ T558] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 28.826406][ T558] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 28.826412][ T558] do_set_master (net/core/rtnetlink.c:3071) [ 28.826414][ T558] ? netif_change_flags (net/core/dev.c:9882) [ 28.826418][ T558] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 28.826421][ T558] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 28.826424][ T558] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 28.826426][ T558] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 28.826429][ T558] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 28.826432][ T558] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.826434][ T558] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 28.826436][ T558] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.826438][ T558] ? kasan_save_stack (mm/kasan/common.c:58) [ 28.826441][ T558] ? kasan_save_stack (mm/kasan/common.c:57) [ 28.826442][ T558] ? kasan_save_track (mm/kasan/common.c:78) [ 28.826443][ T558] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 28.826445][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.826447][ T558] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 28.826450][ T558] ? ___sys_sendmsg (net/socket.c:2758) [ 28.826454][ T558] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.826456][ T558] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 28.826459][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.826460][ T558] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.826462][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.826463][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.826465][ T558] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 28.826467][ T558] ? __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) [ 28.826470][ T558] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 28.826472][ T558] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 28.826475][ T558] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 28.826476][ T558] ? nla_get_range_signed (lib/nlattr.c:270) [ 28.826482][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.826484][ T558] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 28.826489][ T558] rtnl_newlink (net/core/rtnetlink.c:4215) [ 28.826495][ T558] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 28.826496][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.826501][ T558] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.826503][ T558] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.826505][ T558] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 28.826507][ T558] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.826511][ T558] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 28.826513][ T558] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 28.826516][ T558] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 28.826517][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.826522][ T558] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.826523][ T558] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.826527][ T558] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 28.826530][ T558] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 28.826533][ T558] ? netlink_ack (./include/linux/skbuff.h:2718) [ 28.826540][ T558] ? 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)) [ 28.826542][ T558] ? 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)) [ 28.826546][ T558] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 28.826550][ T558] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 28.826553][ T558] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.826557][ T558] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 28.826561][ T558] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 28.826565][ T558] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.826566][ T558] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 28.826572][ T558] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 28.826574][ T558] ____sys_sendmsg (net/socket.c:2713) [ 28.826577][ T558] ? copy_msghdr_from_user (net/socket.c:2650) [ 28.826579][ T558] ? sock_write_iter (net/socket.c:1269) [ 28.826581][ T558] ? move_addr_to_kernel (net/socket.c:258) [ 28.826588][ T558] ___sys_sendmsg (net/socket.c:2767) [ 28.826591][ T558] ? copy_msghdr_from_user (net/socket.c:2619) [ 28.826606][ T558] __sys_sendmsg (net/socket.c:2799) [ 28.826609][ T558] ? __sys_sendmsg_sock (net/socket.c:2780) [ 28.826615][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.826618][ T558] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 28.826622][ T558] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 28.826624][ T558] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 28.826627][ T558] RIP: 0033:0x7f7080db254e [ 28.826631][ T558] 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 [ 28.826633][ T558] RSP: 002b:00007ffeffc83950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 28.826635][ T558] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7080db254e [ 28.826637][ T558] RDX: 0000000000000000 RSI: 00007ffeffc83a00 RDI: 0000000000000005 [ 28.826638][ T558] RBP: 00007ffeffc83960 R08: 0000000000000000 R09: 0000000000000000 [ 28.826638][ T558] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a9f6 [ 28.826639][ T558] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeffc840d0 | [ 36.536083][ T12] softirqs last disabled at (265072): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 36.536085][ T12] Preemption disabled at: | [ 36.536086][ T12] 0x0 | [ 36.536096][ T12] Tainted: [W]=WARN [ 36.536097][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.536098][ T12] Workqueue: netns cleanup_net [ 36.536102][ T12] Call Trace: [ 36.536103][ T12] [ 36.536105][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.536112][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 36.536116][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.536120][ 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) [ 36.536125][ 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)) [ 36.536127][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.536133][ 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) [ 36.536136][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.536140][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 36.536142][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.536149][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.536157][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.536160][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.536165][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.536169][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.536171][ T12] ? 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)) [ 36.536174][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.536177][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.536181][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.536185][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.536187][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.536193][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.536196][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.536198][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.536200][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 36.536208][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.536210][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.536212][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 36.536216][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.536217][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 36.536220][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.536222][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.536226][ T12] _printk (kernel/printk/printk.c:2504) [ 36.536230][ T12] ? snapshot_read.cold (user.c:?) [ 36.536237][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 36.536242][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 36.536246][ T12] br_device_event (net/bridge/br.c:111) [ 36.536248][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 36.536252][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 36.536258][ T12] notifier_call_chain (kernel/notifier.c:85) [ 36.536264][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 36.536267][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 36.536271][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 36.536274][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 36.536278][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 36.536280][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 36.536282][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 36.536284][ T12] ? kthread (kernel/kthread.c:436) [ 36.536286][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 36.536289][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 36.536292][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 36.536296][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 36.536302][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 36.536305][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 36.536308][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.536310][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 36.536315][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 36.536318][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 36.536321][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 36.536323][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.536326][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 36.536331][ T12] cleanup_net (net/core/net_namespace.c:706) [ 36.536334][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 36.536338][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.536340][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.536343][ T12] process_one_work (kernel/workqueue.c:3387) [ 36.536350][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 36.536353][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.536361][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 36.536368][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 36.536370][ T12] kthread (kernel/kthread.c:436) [ 36.536372][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 36.536375][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 36.536378][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 36.536381][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 36.536385][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 36.536388][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 36.536391][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 39.882577][ T757] softirqs last disabled at (16662): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 39.882579][ T757] Preemption disabled at: | [ 39.882580][ T757] vprintk_emit (kernel/printk/printk.c:2471) | [ 39.882589][ T757] Tainted: [W]=WARN [ 39.882589][ T757] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.882591][ T757] Call Trace: [ 39.882592][ T757] [ 39.882594][ T757] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.882601][ T757] ? vprintk_emit (kernel/printk/printk.c:2471) [ 39.882603][ T757] __might_resched.cold (kernel/sched/core.c:9234) [ 39.882608][ T757] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.882612][ T757] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 39.882617][ T757] __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)) [ 39.882618][ T757] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.882625][ T757] ? 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) [ 39.882627][ T757] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.882631][ T757] put_chars (drivers/char/virtio_console.c:1176) [ 39.882634][ T757] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.882635][ T757] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.882638][ T757] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 39.882647][ T757] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.882655][ T757] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.882657][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.882659][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.882663][ T757] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.882668][ T757] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.882670][ T757] ? 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)) [ 39.882673][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.882674][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.882678][ T757] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.882683][ T757] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.882685][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.882693][ T757] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.882696][ T757] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.882698][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.882699][ T757] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 39.882703][ T757] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.882705][ T757] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.882707][ T757] vprintk_emit (kernel/printk/printk.c:2479) [ 39.882711][ T757] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.882712][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.882715][ T757] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 39.882719][ T757] _printk (kernel/printk/printk.c:2504) [ 39.882722][ T757] ? snapshot_read.cold (user.c:?) [ 39.882726][ T757] ? br_multicast_flood (??:?) [ 39.882729][ T757] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 39.882730][ T757] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 39.882731][ T757] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 39.882736][ T757] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 39.882741][ T757] br_init_port (net/bridge/br_stp_if.c:39) [ 39.882745][ T757] new_nbp (net/bridge/br_if.c:449) [ 39.882749][ T757] br_add_if (net/bridge/br_if.c:592) [ 39.882751][ T757] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 39.882755][ T757] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 39.882761][ T757] do_set_master (net/core/rtnetlink.c:3071) [ 39.882762][ T757] ? netif_change_flags (net/core/dev.c:9882) [ 39.882766][ T757] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 39.882769][ T757] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 39.882773][ T757] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 39.882774][ T757] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 39.882777][ T757] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 39.882780][ T757] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.882782][ T757] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.882784][ T757] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 39.882786][ T757] ? kasan_save_stack (mm/kasan/common.c:58) [ 39.882788][ T757] ? kasan_save_stack (mm/kasan/common.c:57) [ 39.882790][ T757] ? kasan_save_track (mm/kasan/common.c:78) [ 39.882791][ T757] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 39.882793][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.882795][ T757] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 39.882798][ T757] ? ___sys_sendmsg (net/socket.c:2758) [ 39.882802][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.882804][ T757] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 39.882807][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.882808][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.882810][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.882811][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.882813][ T757] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 39.882815][ T757] ? __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) [ 39.882818][ T757] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 39.882819][ T757] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 39.882823][ T757] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 39.882824][ T757] ? nla_get_range_signed (lib/nlattr.c:270) [ 39.882829][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.882831][ T757] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 39.882836][ T757] rtnl_newlink (net/core/rtnetlink.c:4215) [ 39.882841][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 39.882843][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.882848][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.882850][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.882852][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 39.882854][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.882857][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 39.882859][ T757] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 39.882862][ T757] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 39.882864][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.882868][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.882870][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.882873][ T757] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 39.882877][ T757] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 39.882879][ T757] ? netlink_ack (./include/linux/skbuff.h:2718) [ 39.882886][ T757] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 39.882888][ T757] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 39.882892][ T757] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 39.882896][ T757] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 39.882898][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.882903][ T757] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 39.882906][ T757] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 39.882910][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.882912][ T757] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 39.882917][ T757] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 39.882920][ T757] ____sys_sendmsg (net/socket.c:2713) [ 39.882922][ T757] ? copy_msghdr_from_user (net/socket.c:2650) [ 39.882924][ T757] ? sock_write_iter (net/socket.c:1269) [ 39.882926][ T757] ? move_addr_to_kernel (net/socket.c:258) [ 39.882933][ T757] ___sys_sendmsg (net/socket.c:2767) [ 39.882936][ T757] ? copy_msghdr_from_user (net/socket.c:2619) [ 39.882952][ T757] __sys_sendmsg (net/socket.c:2799) [ 39.882955][ T757] ? __sys_sendmsg_sock (net/socket.c:2780) [ 39.882961][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.882964][ T757] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 39.882967][ T757] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 39.882970][ T757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 39.882972][ T757] RIP: 0033:0x7f50f799b54e [ 39.882976][ T757] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 39.882977][ T757] RSP: 002b:00007ffc61cb4dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 39.882980][ T757] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f50f799b54e [ 39.882982][ T757] RDX: 0000000000000000 RSI: 00007ffc61cb4e80 RDI: 0000000000000005 [ 39.882983][ T757] RBP: 00007ffc61cb4de0 R08: 0000000000000000 R09: 0000000000000000 [ 39.882983][ T757] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91aa01 [ 39.882984][ T757] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc61cb5550 | [ 55.245343][ C2] softirqs last disabled at (2010381): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 55.245345][ C2] Preemption disabled at: | [ 55.245345][ C2] 0x0 | [ 55.245356][ C2] Tainted: [W]=WARN [ 55.245357][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 55.245359][ C2] Call Trace: [ 55.245361][ C2] [ 55.245363][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 55.245369][ C2] __might_resched.cold (kernel/sched/core.c:9234) [ 55.245372][ C2] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 55.245375][ C2] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 55.245379][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.245382][ C2] __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)) [ 55.245384][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 55.245387][ C2] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 55.245391][ C2] ? 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) [ 55.245393][ C2] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 55.245396][ C2] put_chars (drivers/char/virtio_console.c:1176) [ 55.245397][ C2] ? __send_to_port (drivers/char/virtio_console.c:654) [ 55.245399][ C2] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 55.245402][ C2] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 55.245407][ C2] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 55.245409][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.245410][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.245412][ C2] console_emit_next_record (kernel/printk/printk.c:3183) [ 55.245415][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 55.245417][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.245418][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.245419][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.245421][ C2] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 55.245423][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 55.245425][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 55.245428][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 55.245429][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.245431][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 55.245432][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.245433][ C2] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 55.245435][ C2] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 55.245437][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 55.245439][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 55.245440][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 55.245442][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 55.245443][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:418) [ 55.245447][ C2] _printk (kernel/printk/printk.c:2504) [ 55.245450][ C2] ? snapshot_read.cold (user.c:?) [ 55.245452][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 55.245454][ C2] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 55.245456][ C2] ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723) [ 55.245458][ C2] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1)) [ 55.245460][ C2] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 55.245463][ C2] mark_lock (kernel/locking/lockdep.c:4769) [ 55.245464][ C2] mark_usage (kernel/locking/lockdep.c:4658) [ 55.245466][ C2] __lock_acquire (kernel/locking/lockdep.c:5208) [ 55.245468][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 55.245470][ C2] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 55.245473][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.245474][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.245476][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 55.245477][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 55.245479][ C2] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 55.245480][ C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 55.245481][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 55.245483][ C2] call_timer_fn (kernel/time/timer.c:1748) [ 55.245486][ C2] ? detach_if_pending (./include/linux/list.h:1159) [ 55.245488][ C2] ? debug_object_active_state (lib/debugobjects.c:1122) [ 55.245491][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 55.245493][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 55.245495][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.245496][ C2] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 55.245498][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 55.245500][ C2] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 55.245502][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 55.245504][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 55.245507][ C2] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 55.245509][ C2] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 55.245511][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 55.245513][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.245514][ C2] handle_softirqs (kernel/softirq.c:645) [ 55.245516][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 55.245518][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 55.245520][ C2] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 55.245522][ C2] irq_exit_rcu (kernel/softirq.c:784) [ 55.245523][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 55.245525][ C2] [ 55.245526][ C2] [ 55.245527][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 55.245528][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 55.245530][ C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 55.245533][ C2] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 82 68 02 mov 0x2688294(%rip),%rdi # 0x268829b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 d3 a0 00 sub 0xa0d358(%rip),%rax # 0xa0d36b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 06 0e 00 verw 0xe0613(%rip) # 0xe063b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 55.245541][ C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282 [ 55.245544][ C2] RAX: 00000000001ead0b RBX: ff11000001c1c740 RCX: ffffffffa4b06247 [ 55.245546][ C2] RDX: ff11000001c1c740 RSI: ffffffffa7d11011 RDI: ffffffffa76949e0 [ 55.245547][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 55.245547][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3 [ 55.245548][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 55.245549][ C2] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 55.245553][ C2] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 55.245555][ C2] default_idle_call (kernel/sched/idle.c:122) [ 55.245557][ C2] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 55.245558][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 55.245560][ C2] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 55.245562][ C2] ? default_idle_call (kernel/sched/idle.c:129) [ 55.245564][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.245565][ C2] do_idle (kernel/sched/idle.c:355) [ 55.245567][ C2] cpu_startup_entry (kernel/sched/idle.c:454) [ 55.245568][ C2] start_secondary (arch/x86/kernel/smpboot.c:312) [ 55.245570][ C2] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 55.245572][ C2] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 55.298345][ C2] | [ 55.298409][ C2] | [ 55.298409][ C2] stack backtrace: | [ 55.298620][ C2] Tainted: [W]=WARN [ 55.298621][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 55.298622][ C2] Call Trace: [ 55.298624][ C2] [ 55.298625][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 55.298630][ C2] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 55.298633][ C2] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 55.298636][ C2] mark_lock (kernel/locking/lockdep.c:4769) [ 55.298638][ C2] mark_usage (kernel/locking/lockdep.c:4658) [ 55.298639][ C2] __lock_acquire (kernel/locking/lockdep.c:5208) [ 55.298642][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 55.298643][ C2] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 55.298645][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.298647][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.298649][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 55.298651][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 55.298652][ C2] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 55.298653][ C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 55.298655][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 55.298656][ C2] call_timer_fn (kernel/time/timer.c:1748) [ 55.298658][ C2] ? detach_if_pending (./include/linux/list.h:1159) [ 55.298660][ C2] ? debug_object_active_state (lib/debugobjects.c:1122) [ 55.298663][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 55.298665][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 55.298667][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.298668][ C2] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 55.298670][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 55.298672][ C2] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 55.298674][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 55.298676][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 55.298679][ C2] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 55.298681][ C2] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 55.298683][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 55.298686][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.298687][ C2] handle_softirqs (kernel/softirq.c:645) [ 55.298689][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 55.298691][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 55.298693][ C2] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 55.298694][ C2] irq_exit_rcu (kernel/softirq.c:784) [ 55.298696][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 55.298697][ C2] [ 55.298698][ C2] [ 55.298698][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 55.298700][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 55.298701][ C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 55.298703][ C2] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 82 68 02 mov 0x2688294(%rip),%rdi # 0x268829b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 d3 a0 00 sub 0xa0d358(%rip),%rax # 0xa0d36b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 06 0e 00 verw 0xe0613(%rip) # 0xe063b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 55.298705][ C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282 [ 55.298707][ C2] RAX: 00000000001ead0b RBX: ff11000001c1c740 RCX: ffffffffa4b06247 [ 55.298708][ C2] RDX: ff11000001c1c740 RSI: ffffffffa7d11011 RDI: ffffffffa76949e0 [ 55.298709][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 55.298710][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3 [ 55.298710][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 55.298712][ C2] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 55.298714][ C2] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 55.298715][ C2] default_idle_call (kernel/sched/idle.c:122) [ 55.298717][ C2] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 55.298719][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 55.298720][ C2] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 55.298722][ C2] ? default_idle_call (kernel/sched/idle.c:129) [ 55.298723][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.298725][ C2] do_idle (kernel/sched/idle.c:355) [ 55.298726][ C2] cpu_startup_entry (kernel/sched/idle.c:454) [ 55.298728][ C2] start_secondary (arch/x86/kernel/smpboot.c:312) [ 55.298729][ C2] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 55.298731][ C2] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 60.292387][ T12] softirqs last disabled at (480438): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 60.292390][ T12] Preemption disabled at: | [ 60.292391][ T12] 0x0 | [ 60.292404][ T12] Tainted: [W]=WARN [ 60.292405][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 60.292408][ T12] Workqueue: netns cleanup_net [ 60.292414][ T12] Call Trace: [ 60.292416][ T12] [ 60.292418][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 60.292425][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 60.292429][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 60.292434][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.292438][ 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)) [ 60.292442][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 60.292446][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 60.292451][ 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) [ 60.292454][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 60.292458][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 60.292460][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 60.292462][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 60.292466][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 60.292470][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 60.292476][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 60.292479][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 60.292481][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.292485][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 60.292489][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 60.292492][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.292494][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.292495][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.292497][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.292500][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 60.292503][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 60.292506][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 60.292511][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 60.292513][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.292516][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 60.292518][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.292520][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 60.292522][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 60.292524][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 60.292527][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 60.292530][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 60.292533][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 60.292535][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 60.292537][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.292539][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 60.292543][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 60.292546][ T12] _printk (kernel/printk/printk.c:2504) [ 60.292550][ T12] ? snapshot_read.cold (user.c:?) [ 60.292553][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 60.292558][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 60.292568][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 60.292571][ T12] br_device_event (net/bridge/br.c:111) [ 60.292574][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 60.292577][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 60.292580][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 60.292583][ T12] notifier_call_chain (kernel/notifier.c:85) [ 60.292588][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 60.292591][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 60.292594][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.292597][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 60.292600][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 60.292603][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 60.292606][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 60.292608][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 60.292612][ T12] ? kthread (kernel/kthread.c:436) [ 60.292614][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 60.292618][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 60.292621][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 60.292624][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.292626][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 60.292629][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 60.292632][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 60.292634][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.292636][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 60.292639][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 60.292642][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 60.292646][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 60.292649][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 60.292652][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 60.292656][ T12] cleanup_net (net/core/net_namespace.c:706) [ 60.292659][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 60.292662][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.292664][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.292667][ T12] process_one_work (kernel/workqueue.c:3387) [ 60.292671][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 60.292674][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 60.292677][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 60.292681][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 60.292685][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 60.292688][ T12] kthread (kernel/kthread.c:436) [ 60.292690][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 60.292693][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 60.292696][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 60.292698][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 60.292701][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 60.292705][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 60.292708][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 62.439048][ T1035] softirqs last disabled at (0): 0x0 | [ 62.439050][ T1035] Preemption disabled at: | [ 62.439050][ T1035] vprintk_emit (kernel/printk/printk.c:2471) | [ 62.439060][ T1035] Tainted: [W]=WARN [ 62.439061][ T1035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 62.439063][ T1035] Call Trace: [ 62.439064][ T1035] [ 62.439065][ T1035] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 62.439071][ T1035] ? vprintk_emit (kernel/printk/printk.c:2471) [ 62.439072][ T1035] __might_resched.cold (kernel/sched/core.c:9234) [ 62.439076][ T1035] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 62.439079][ T1035] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 62.439082][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.439085][ T1035] __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)) [ 62.439087][ T1035] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 62.439090][ T1035] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.439095][ T1035] ? 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) [ 62.439097][ T1035] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.439100][ T1035] put_chars (drivers/char/virtio_console.c:1176) [ 62.439101][ T1035] ? __send_to_port (drivers/char/virtio_console.c:654) [ 62.439103][ T1035] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 62.439105][ T1035] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 62.439110][ T1035] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 62.439112][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.439113][ T1035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.439115][ T1035] console_emit_next_record (kernel/printk/printk.c:3183) [ 62.439118][ T1035] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 62.439120][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.439121][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.439122][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.439123][ T1035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.439125][ T1035] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 62.439127][ T1035] console_flush_one_record (kernel/printk/printk.c:3268) [ 62.439129][ T1035] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 62.439132][ T1035] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 62.439134][ T1035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.439135][ T1035] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 62.439137][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.439138][ T1035] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 62.439140][ T1035] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 62.439141][ T1035] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 62.439142][ T1035] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 62.439144][ T1035] ? vprintk_emit (kernel/printk/printk.c:2478) [ 62.439146][ T1035] vprintk_emit (kernel/printk/printk.c:2479) [ 62.439148][ T1035] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 62.439149][ T1035] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 62.439150][ T1035] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 62.439153][ T1035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.439155][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.439156][ T1035] _printk (kernel/printk/printk.c:2504) [ 62.439159][ T1035] ? snapshot_read.cold (user.c:?) [ 62.439161][ T1035] ? br_multicast_flood (??:?) [ 62.439164][ T1035] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 62.439167][ T1035] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 62.439168][ T1035] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 62.439170][ T1035] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 62.439173][ T1035] br_init_port (net/bridge/br_stp_if.c:39) [ 62.439174][ T1035] new_nbp (net/bridge/br_if.c:449) [ 62.439176][ T1035] br_add_if (net/bridge/br_if.c:592) [ 62.439178][ T1035] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 62.439182][ T1035] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 62.439185][ T1035] do_set_master (net/core/rtnetlink.c:3071) [ 62.439186][ T1035] ? netif_change_flags (net/core/dev.c:9882) [ 62.439188][ T1035] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 62.439190][ T1035] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 62.439192][ T1035] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 62.439193][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.439195][ T1035] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 62.439198][ T1035] ? kasan_save_stack (mm/kasan/common.c:58) [ 62.439200][ T1035] ? kasan_save_stack (mm/kasan/common.c:57) [ 62.439201][ T1035] ? kasan_save_track (mm/kasan/common.c:78) [ 62.439204][ T1035] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 62.439206][ T1035] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 62.439207][ T1035] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 62.439208][ T1035] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 62.439209][ T1035] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 62.439212][ T1035] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 62.439213][ T1035] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 62.439215][ T1035] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 62.439217][ T1035] ? ____sys_sendmsg (net/socket.c:2713) [ 62.439219][ T1035] ? ___sys_sendmsg (net/socket.c:2767) [ 62.439220][ T1035] ? __sys_sendmsg (net/socket.c:2799) [ 62.439222][ T1035] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 62.439225][ T1035] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 62.439227][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.439229][ T1035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.439230][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.439231][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.439232][ T1035] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 62.439234][ T1035] ? __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) [ 62.439236][ T1035] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 62.439237][ T1035] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 62.439238][ T1035] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 62.439239][ T1035] ? nla_get_range_signed (lib/nlattr.c:270) [ 62.439243][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.439244][ T1035] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 62.439246][ T1035] rtnl_newlink (net/core/rtnetlink.c:4215) [ 62.439248][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.439249][ T1035] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.439250][ T1035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.439252][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.439253][ T1035] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 62.439256][ T1035] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 62.439257][ T1035] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 62.439258][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.439259][ T1035] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 62.439263][ T1035] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 62.439265][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.439266][ T1035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.439267][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.439269][ T1035] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.439270][ T1035] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 62.439271][ T1035] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 62.439273][ T1035] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 62.439274][ T1035] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 62.439276][ T1035] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 62.439278][ T1035] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 62.439279][ T1035] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 62.439281][ T1035] ? netlink_ack (./include/linux/skbuff.h:2718) [ 62.439283][ T1035] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 62.439286][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.439287][ T1035] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 62.439289][ T1035] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 62.439291][ T1035] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 62.439293][ T1035] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 62.439294][ T1035] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 62.439297][ T1035] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 62.439298][ T1035] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 62.439300][ T1035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.439301][ T1035] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 62.439304][ T1035] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 62.439306][ T1035] ____sys_sendmsg (net/socket.c:2713) [ 62.439308][ T1035] ? copy_msghdr_from_user (net/socket.c:2650) [ 62.439309][ T1035] ? sock_write_iter (net/socket.c:1269) [ 62.439311][ T1035] ? move_addr_to_kernel (net/socket.c:258) [ 62.439312][ T1035] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 62.439315][ T1035] ___sys_sendmsg (net/socket.c:2767) [ 62.439317][ T1035] ? copy_msghdr_from_user (net/socket.c:2619) [ 62.439322][ T1035] __sys_sendmsg (net/socket.c:2799) [ 62.439324][ T1035] ? __sys_sendmsg_sock (net/socket.c:2780) [ 62.439326][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.439328][ T1035] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 62.439329][ T1035] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 62.439331][ T1035] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 62.439333][ T1035] RIP: 0033:0x7f766a2ef54e [ 62.439335][ T1035] 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 [ 62.439336][ T1035] RSP: 002b:00007fff54079230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 62.439340][ T1035] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f766a2ef54e [ 62.439341][ T1035] RDX: 0000000000000000 RSI: 00007fff540792e0 RDI: 0000000000000005 [ 62.439342][ T1035] RBP: 00007fff54079240 R08: 0000000000000000 R09: 0000000000000000 [ 62.439343][ T1035] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91aa17 [ 62.439344][ T1035] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff540799b0 | [ 69.518068][ T12] softirqs last disabled at (480438): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 69.518070][ T12] Preemption disabled at: | [ 69.518071][ T12] 0x0 | [ 69.518081][ T12] Tainted: [W]=WARN [ 69.518082][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 69.518084][ T12] Workqueue: netns cleanup_net [ 69.518090][ T12] Call Trace: [ 69.518092][ T12] [ 69.518093][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 69.518099][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 69.518102][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 69.518107][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.518110][ 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)) [ 69.518113][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 69.518116][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 69.518120][ 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) [ 69.518122][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 69.518124][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 69.518126][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 69.518127][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 69.518130][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 69.518132][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 69.518137][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 69.518139][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 69.518140][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.518143][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 69.518146][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 69.518148][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.518149][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.518150][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.518151][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.518152][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 69.518154][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 69.518157][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 69.518159][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 69.518161][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.518163][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 69.518164][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.518165][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 69.518167][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 69.518168][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 69.518170][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 69.518172][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 69.518173][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 69.518175][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 69.518176][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.518177][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 69.518181][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 69.518182][ T12] _printk (kernel/printk/printk.c:2504) [ 69.518185][ T12] ? snapshot_read.cold (user.c:?) [ 69.518187][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 69.518190][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 69.518195][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 69.518198][ T12] br_device_event (net/bridge/br.c:111) [ 69.518200][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 69.518205][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 69.518207][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 69.518210][ T12] notifier_call_chain (kernel/notifier.c:85) [ 69.518213][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 69.518216][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 69.518218][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.518220][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 69.518222][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 69.518224][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 69.518226][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 69.518227][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 69.518230][ T12] ? kthread (kernel/kthread.c:436) [ 69.518232][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 69.518235][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 69.518237][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 69.518239][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.518240][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 69.518242][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 69.518243][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 69.518245][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.518246][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 69.518248][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 69.518250][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 69.518252][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 69.518254][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 69.518256][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 69.518259][ T12] cleanup_net (net/core/net_namespace.c:706) [ 69.518261][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 69.518262][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 69.518265][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.518266][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.518268][ T12] process_one_work (kernel/workqueue.c:3387) [ 69.518271][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 69.518273][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 69.518275][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 69.518277][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 69.518280][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 69.518282][ T12] kthread (kernel/kthread.c:436) [ 69.518284][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 69.518285][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 69.518287][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 69.518289][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 69.518291][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 69.518293][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 69.518295][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 71.631168][ T1248] softirqs last disabled at (0): 0x0 | [ 71.631170][ T1248] Preemption disabled at: | [ 71.631171][ T1248] vprintk_emit (kernel/printk/printk.c:2471) | [ 71.631180][ T1248] Tainted: [W]=WARN [ 71.631181][ T1248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 71.631183][ T1248] Call Trace: [ 71.631184][ T1248] [ 71.631185][ T1248] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 71.631191][ T1248] ? vprintk_emit (kernel/printk/printk.c:2471) [ 71.631192][ T1248] __might_resched.cold (kernel/sched/core.c:9234) [ 71.631196][ T1248] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 71.631200][ T1248] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 71.631206][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.631208][ T1248] __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)) [ 71.631211][ T1248] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 71.631214][ T1248] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 71.631220][ T1248] ? 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) [ 71.631222][ T1248] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 71.631225][ T1248] put_chars (drivers/char/virtio_console.c:1176) [ 71.631226][ T1248] ? __send_to_port (drivers/char/virtio_console.c:654) [ 71.631228][ T1248] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 71.631231][ T1248] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 71.631236][ T1248] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 71.631238][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.631239][ T1248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.631242][ T1248] console_emit_next_record (kernel/printk/printk.c:3183) [ 71.631244][ T1248] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 71.631246][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.631247][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.631248][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.631249][ T1248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.631251][ T1248] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 71.631253][ T1248] console_flush_one_record (kernel/printk/printk.c:3268) [ 71.631255][ T1248] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 71.631258][ T1248] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 71.631260][ T1248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.631261][ T1248] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 71.631263][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.631264][ T1248] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 71.631265][ T1248] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 71.631267][ T1248] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 71.631268][ T1248] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 71.631270][ T1248] ? vprintk_emit (kernel/printk/printk.c:2478) [ 71.631272][ T1248] vprintk_emit (kernel/printk/printk.c:2479) [ 71.631273][ T1248] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 71.631275][ T1248] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 71.631276][ T1248] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 71.631279][ T1248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.631281][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.631282][ T1248] _printk (kernel/printk/printk.c:2504) [ 71.631285][ T1248] ? snapshot_read.cold (user.c:?) [ 71.631287][ T1248] ? br_multicast_flood (??:?) [ 71.631290][ T1248] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 71.631293][ T1248] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 71.631294][ T1248] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 71.631296][ T1248] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 71.631299][ T1248] br_init_port (net/bridge/br_stp_if.c:39) [ 71.631300][ T1248] new_nbp (net/bridge/br_if.c:449) [ 71.631303][ T1248] br_add_if (net/bridge/br_if.c:592) [ 71.631304][ T1248] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 71.631308][ T1248] ? sched_balance_newidle (kernel/sched/sched.h:1956 (discriminator 1) kernel/sched/fair.c:14678 (discriminator 1)) [ 71.631311][ T1248] do_set_master (net/core/rtnetlink.c:3071) [ 71.631312][ T1248] ? netif_change_flags (net/core/dev.c:9882) [ 71.631314][ T1248] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 71.631316][ T1248] ? __dequeue_task (./include/trace/events/sched.h:873 (discriminator 2) kernel/sched/sched.h:3063 (discriminator 2) kernel/sched/fair.c:8157 (discriminator 2)) [ 71.631319][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.631320][ T1248] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 71.631321][ T1248] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 71.631324][ T1248] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 71.631326][ T1248] ? finish_task_switch.isra.0 (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 ./include/linux/sched/mm.h:54 ./include/linux/sched/mm.h:83 ./include/linux/sched/mm.h:110 kernel/sched/core.c:5402) [ 71.631327][ T1248] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 71.631330][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.631331][ T1248] ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22)) [ 71.631333][ T1248] ? __schedule (kernel/sched/core.c:7277) [ 71.631336][ T1248] ? 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) [ 71.631338][ T1248] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 71.631340][ T1248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.631341][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.631342][ T1248] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 71.631344][ T1248] ? 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) [ 71.631345][ T1248] ? _raw_spin_unlock_irq_enable (./include/linux/spinlock_api_smp.h:229 (discriminator 1) kernel/locking/spinlock.c:237 (discriminator 1)) [ 71.631347][ T1248] ? debug_mutex_remove_waiter (./include/linux/spinlock.h:594 kernel/locking/mutex.h:53 kernel/locking/mutex-debug.c:62) [ 71.631349][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.631350][ T1248] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 71.631351][ T1248] ? 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) [ 71.631353][ T1248] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 71.631354][ T1248] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 71.631356][ T1248] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 71.631357][ T1248] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 71.631358][ T1248] ? nla_get_range_signed (lib/nlattr.c:270) [ 71.631362][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.631364][ T1248] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 71.631366][ T1248] rtnl_newlink (net/core/rtnetlink.c:4215) [ 71.631367][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.631369][ T1248] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 71.631370][ T1248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.631371][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.631372][ T1248] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 71.631375][ T1248] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 71.631376][ T1248] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 71.631379][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.631380][ T1248] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 71.631383][ T1248] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 71.631385][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.631386][ T1248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.631388][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.631389][ T1248] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 71.631390][ T1248] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 71.631392][ T1248] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 71.631393][ T1248] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 71.631394][ T1248] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 71.631397][ T1248] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 71.631400][ T1248] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 71.631401][ T1248] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 71.631403][ T1248] ? netlink_ack (./include/linux/skbuff.h:2718) [ 71.631404][ T1248] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 71.631407][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.631409][ T1248] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 71.631411][ T1248] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 71.631413][ T1248] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 71.631414][ T1248] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 71.631417][ T1248] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 71.631419][ T1248] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 71.631420][ T1248] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 71.631422][ T1248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.631424][ T1248] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 71.631427][ T1248] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 71.631430][ T1248] ____sys_sendmsg (net/socket.c:2713) [ 71.631431][ T1248] ? copy_msghdr_from_user (net/socket.c:2650) [ 71.631433][ T1248] ? sock_write_iter (net/socket.c:1269) [ 71.631434][ T1248] ? move_addr_to_kernel (net/socket.c:258) [ 71.631436][ T1248] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 71.631438][ T1248] ___sys_sendmsg (net/socket.c:2767) [ 71.631440][ T1248] ? copy_msghdr_from_user (net/socket.c:2619) [ 71.631445][ T1248] __sys_sendmsg (net/socket.c:2799) [ 71.631447][ T1248] ? __sys_sendmsg_sock (net/socket.c:2780) [ 71.631450][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.631451][ T1248] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 71.631454][ T1248] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 71.631456][ T1248] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 71.631458][ T1248] RIP: 0033:0x7f9ac70a854e [ 71.631459][ T1248] 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 [ 71.631461][ T1248] RSP: 002b:00007ffc23ad8080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 71.631465][ T1248] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9ac70a854e [ 71.631466][ T1248] RDX: 0000000000000000 RSI: 00007ffc23ad8130 RDI: 0000000000000005 [ 71.631467][ T1248] RBP: 00007ffc23ad8090 R08: 0000000000000000 R09: 0000000000000000 [ 71.631468][ T1248] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91aa20 [ 71.631468][ T1248] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc23ad8800 | [ 72.653756][ T273] softirqs last disabled at (236852): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 72.653759][ T273] Preemption disabled at: | [ 72.653760][ T273] 0x0 | [ 72.653773][ T273] Tainted: [W]=WARN [ 72.653774][ T273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 72.653777][ T273] Workqueue: events_unbound linkwatch_event [ 72.653784][ T273] Call Trace: [ 72.653786][ T273] [ 72.653789][ T273] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 72.653795][ T273] __might_resched.cold (kernel/sched/core.c:9234) [ 72.653800][ T273] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 72.653805][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.653808][ T273] __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)) [ 72.653812][ T273] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 72.653815][ T273] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 72.653821][ T273] ? 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) [ 72.653823][ T273] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 72.653827][ T273] put_chars (drivers/char/virtio_console.c:1176) [ 72.653829][ T273] ? __send_to_port (drivers/char/virtio_console.c:654) [ 72.653832][ T273] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 72.653836][ T273] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 72.653842][ T273] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 72.653845][ T273] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 72.653848][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.653850][ T273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.653853][ T273] console_emit_next_record (kernel/printk/printk.c:3183) [ 72.653857][ T273] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 72.653860][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.653862][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.653863][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.653865][ T273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.653868][ T273] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 72.653870][ T273] console_flush_one_record (kernel/printk/printk.c:3268) [ 72.653874][ T273] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 72.653878][ T273] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 72.653881][ T273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.653883][ T273] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 72.653885][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.653887][ T273] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 72.653889][ T273] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 72.653892][ T273] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 72.653894][ T273] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 72.653897][ T273] ? vprintk_emit (kernel/printk/printk.c:2478) [ 72.653899][ T273] vprintk_emit (kernel/printk/printk.c:2479) [ 72.653902][ T273] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 72.653904][ T273] ? 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) [ 72.653908][ T273] _printk (kernel/printk/printk.c:2504) [ 72.653911][ T273] ? snapshot_read.cold (user.c:?) [ 72.653914][ T273] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 72.653917][ T273] ? port_cost (net/bridge/br_if.c:40) [ 72.653921][ T273] ? br_multicast_flood (??:?) [ 72.653925][ T273] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 72.653928][ T273] br_init_port (net/bridge/br_stp_if.c:39) [ 72.653931][ T273] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 72.653933][ T273] br_port_carrier_check (net/bridge/br_if.c:90) [ 72.653936][ T273] br_device_event (net/bridge/br.c:101) [ 72.653940][ T273] ? packet_sendmsg_spkt (af_packet.c:?) [ 72.653942][ T273] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 72.653946][ T273] ? addrconf_notify (net/ipv6/addrconf.c:3796) [ 72.653950][ T273] notifier_call_chain (kernel/notifier.c:85) [ 72.653954][ T273] netif_state_change (net/core/dev.c:1625) [ 72.653958][ T273] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 72.653962][ T273] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 72.653964][ T273] __linkwatch_run_queue (net/core/link_watch.c:240) [ 72.653967][ T273] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 72.653969][ T273] ? debug_object_active_state (lib/debugobjects.c:1122) [ 72.653974][ T273] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 72.653976][ T273] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 72.653979][ T273] process_one_work (kernel/workqueue.c:3387) [ 72.653985][ T273] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 72.653987][ T273] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 72.653990][ T273] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 72.653994][ T273] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 72.653997][ T273] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 72.654000][ T273] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 72.654003][ T273] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 72.654005][ T273] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 72.654008][ T273] kthread (kernel/kthread.c:436) [ 72.654010][ T273] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 72.654014][ T273] ? kthread_affine_preferred (kernel/kthread.c:857) [ 72.654017][ T273] ret_from_fork (arch/x86/kernel/process.c:158) [ 72.654021][ T273] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 72.654024][ T273] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 72.654027][ T273] ? kthread_affine_preferred (kernel/kthread.c:857) [ 72.654030][ T273] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 80.314705][ T12] softirqs last disabled at (480438): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 80.314707][ T12] Preemption disabled at: | [ 80.314707][ T12] 0x0 | [ 80.314718][ T12] Tainted: [W]=WARN [ 80.314718][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 80.314720][ T12] Workqueue: netns cleanup_net [ 80.314726][ T12] Call Trace: [ 80.314727][ T12] [ 80.314729][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 80.314735][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 80.314739][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 80.314743][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.314746][ 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)) [ 80.314748][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 80.314751][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 80.314756][ 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) [ 80.314758][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 80.314760][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 80.314762][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 80.314763][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 80.314766][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 80.314768][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 80.314773][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 80.314774][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 80.314776][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.314779][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 80.314781][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 80.314783][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.314784][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.314785][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.314786][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.314788][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 80.314790][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 80.314792][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 80.314795][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 80.314797][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.314798][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 80.314800][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.314801][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 80.314803][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 80.314804][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 80.314805][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 80.314808][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 80.314809][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 80.314811][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 80.314812][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.314813][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 80.314816][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 80.314818][ T12] _printk (kernel/printk/printk.c:2504) [ 80.314821][ T12] ? snapshot_read.cold (user.c:?) [ 80.314823][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 80.314826][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 80.314830][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 80.314832][ T12] br_device_event (net/bridge/br.c:111) [ 80.314834][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 80.314836][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 80.314838][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 80.314841][ T12] notifier_call_chain (kernel/notifier.c:85) [ 80.314844][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 80.314847][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 80.314849][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.314851][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 80.314852][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 80.314855][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 80.314856][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 80.314858][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 80.314861][ T12] ? kthread (kernel/kthread.c:436) [ 80.314863][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 80.314866][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 80.314868][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 80.314869][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.314871][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 80.314873][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 80.314874][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 80.314875][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.314877][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 80.314878][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 80.314880][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 80.314883][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 80.314885][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 80.314887][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 80.314890][ T12] cleanup_net (net/core/net_namespace.c:706) [ 80.314892][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 80.314894][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 80.314896][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.314898][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.314899][ T12] process_one_work (kernel/workqueue.c:3387) [ 80.314902][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 80.314904][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 80.314906][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 80.314908][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 80.314911][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 80.314913][ T12] kthread (kernel/kthread.c:436) [ 80.314915][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 80.314916][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 80.314918][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 80.314919][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 80.314921][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 80.314924][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 80.314926][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 82.602101][ T1517] softirqs last disabled at (0): 0x0 | [ 82.602103][ T1517] Preemption disabled at: | [ 82.602103][ T1517] vprintk_emit (kernel/printk/printk.c:2471) | [ 82.602113][ T1517] Tainted: [W]=WARN [ 82.602114][ T1517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 82.602116][ T1517] Call Trace: [ 82.602117][ T1517] [ 82.602119][ T1517] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 82.602124][ T1517] ? vprintk_emit (kernel/printk/printk.c:2471) [ 82.602126][ T1517] __might_resched.cold (kernel/sched/core.c:9234) [ 82.602129][ T1517] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 82.602133][ T1517] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 82.602136][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.602138][ T1517] __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)) [ 82.602141][ T1517] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 82.602144][ T1517] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.602149][ T1517] ? 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) [ 82.602150][ T1517] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.602153][ T1517] put_chars (drivers/char/virtio_console.c:1176) [ 82.602155][ T1517] ? __send_to_port (drivers/char/virtio_console.c:654) [ 82.602156][ T1517] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 82.602159][ T1517] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 82.602164][ T1517] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 82.602166][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.602167][ T1517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.602169][ T1517] console_emit_next_record (kernel/printk/printk.c:3183) [ 82.602172][ T1517] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 82.602174][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.602175][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.602176][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.602177][ T1517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.602179][ T1517] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 82.602181][ T1517] console_flush_one_record (kernel/printk/printk.c:3268) [ 82.602183][ T1517] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 82.602186][ T1517] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 82.602188][ T1517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.602190][ T1517] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 82.602191][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.602192][ T1517] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 82.602194][ T1517] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 82.602196][ T1517] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 82.602198][ T1517] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 82.602200][ T1517] ? vprintk_emit (kernel/printk/printk.c:2478) [ 82.602201][ T1517] vprintk_emit (kernel/printk/printk.c:2479) [ 82.602206][ T1517] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 82.602207][ T1517] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 82.602209][ T1517] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 82.602212][ T1517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.602213][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.602215][ T1517] _printk (kernel/printk/printk.c:2504) [ 82.602218][ T1517] ? snapshot_read.cold (user.c:?) [ 82.602220][ T1517] ? br_multicast_flood (??:?) [ 82.602223][ T1517] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 82.602226][ T1517] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 82.602227][ T1517] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 82.602229][ T1517] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 82.602231][ T1517] br_init_port (net/bridge/br_stp_if.c:39) [ 82.602233][ T1517] new_nbp (net/bridge/br_if.c:449) [ 82.602235][ T1517] br_add_if (net/bridge/br_if.c:592) [ 82.602237][ T1517] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 82.602240][ T1517] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 82.602243][ T1517] do_set_master (net/core/rtnetlink.c:3071) [ 82.602245][ T1517] ? netif_change_flags (net/core/dev.c:9882) [ 82.602247][ T1517] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 82.602249][ T1517] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 82.602250][ T1517] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 82.602252][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.602253][ T1517] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 82.602256][ T1517] ? kasan_save_stack (mm/kasan/common.c:58) [ 82.602258][ T1517] ? kasan_save_stack (mm/kasan/common.c:57) [ 82.602259][ T1517] ? kasan_save_track (mm/kasan/common.c:78) [ 82.602260][ T1517] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 82.602261][ T1517] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 82.602262][ T1517] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 82.602263][ T1517] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 82.602264][ T1517] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 82.602267][ T1517] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 82.602268][ T1517] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 82.602270][ T1517] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 82.602273][ T1517] ? ____sys_sendmsg (net/socket.c:2713) [ 82.602274][ T1517] ? ___sys_sendmsg (net/socket.c:2767) [ 82.602276][ T1517] ? __sys_sendmsg (net/socket.c:2799) [ 82.602277][ T1517] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 82.602281][ T1517] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 82.602283][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.602284][ T1517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.602286][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.602287][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.602288][ T1517] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 82.602289][ T1517] ? __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) [ 82.602291][ T1517] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 82.602292][ T1517] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 82.602294][ T1517] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 82.602295][ T1517] ? nla_get_range_signed (lib/nlattr.c:270) [ 82.602298][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.602300][ T1517] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 82.602302][ T1517] rtnl_newlink (net/core/rtnetlink.c:4215) [ 82.602303][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.602305][ T1517] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 82.602306][ T1517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.602307][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.602308][ T1517] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 82.602311][ T1517] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 82.602312][ T1517] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 82.602313][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.602315][ T1517] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 82.602318][ T1517] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 82.602320][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.602321][ T1517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.602323][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.602324][ T1517] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 82.602325][ T1517] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 82.602327][ T1517] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 82.602328][ T1517] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 82.602329][ T1517] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 82.602332][ T1517] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 82.602333][ T1517] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 82.602335][ T1517] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 82.602336][ T1517] ? netlink_ack (./include/linux/skbuff.h:2718) [ 82.602338][ T1517] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 82.602341][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.602342][ T1517] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 82.602344][ T1517] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 82.602346][ T1517] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 82.602347][ T1517] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 82.602349][ T1517] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 82.602351][ T1517] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 82.602353][ T1517] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 82.602355][ T1517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.602356][ T1517] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 82.602359][ T1517] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 82.602361][ T1517] ____sys_sendmsg (net/socket.c:2713) [ 82.602363][ T1517] ? copy_msghdr_from_user (net/socket.c:2650) [ 82.602364][ T1517] ? sock_write_iter (net/socket.c:1269) [ 82.602366][ T1517] ? move_addr_to_kernel (net/socket.c:258) [ 82.602367][ T1517] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 82.602370][ T1517] ___sys_sendmsg (net/socket.c:2767) [ 82.602372][ T1517] ? copy_msghdr_from_user (net/socket.c:2619) [ 82.602376][ T1517] __sys_sendmsg (net/socket.c:2799) [ 82.602378][ T1517] ? __sys_sendmsg_sock (net/socket.c:2780) [ 82.602381][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.602382][ T1517] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 82.602384][ T1517] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 82.602386][ T1517] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 82.602388][ T1517] RIP: 0033:0x7f359693254e [ 82.602389][ T1517] 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 [ 82.602391][ T1517] RSP: 002b:00007ffeea2376a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 82.602395][ T1517] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f359693254e [ 82.602396][ T1517] RDX: 0000000000000000 RSI: 00007ffeea237750 RDI: 0000000000000005 [ 82.602397][ T1517] RBP: 00007ffeea2376b0 R08: 0000000000000000 R09: 0000000000000000 [ 82.602398][ T1517] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91aa2b [ 82.602399][ T1517] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeea237e20 | [ 91.208040][ T12] softirqs last disabled at (480438): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 91.208043][ T12] Preemption disabled at: | [ 91.208043][ T12] 0x0 | [ 91.208053][ T12] Tainted: [W]=WARN [ 91.208054][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 91.208056][ T12] Workqueue: netns cleanup_net [ 91.208061][ T12] Call Trace: [ 91.208063][ T12] [ 91.208064][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 91.208070][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 91.208074][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 91.208078][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.208081][ 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)) [ 91.208084][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 91.208087][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 91.208091][ 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) [ 91.208093][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 91.208095][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 91.208097][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 91.208098][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 91.208101][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 91.208103][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 91.208108][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 91.208110][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 91.208112][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.208114][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 91.208117][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 91.208119][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.208120][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.208120][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.208121][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.208123][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 91.208125][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 91.208128][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 91.208130][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 91.208132][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.208134][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 91.208135][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.208136][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 91.208138][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 91.208139][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 91.208140][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 91.208142][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 91.208144][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 91.208146][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 91.208147][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.208148][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 91.208151][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 91.208153][ T12] _printk (kernel/printk/printk.c:2504) [ 91.208155][ T12] ? snapshot_read.cold (user.c:?) [ 91.208157][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 91.208160][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 91.208164][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 91.208166][ T12] br_device_event (net/bridge/br.c:111) [ 91.208168][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 91.208170][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 91.208172][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 91.208175][ T12] notifier_call_chain (kernel/notifier.c:85) [ 91.208178][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 91.208180][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 91.208182][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.208184][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 91.208186][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 91.208188][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 91.208190][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 91.208191][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 91.208195][ T12] ? kthread (kernel/kthread.c:436) [ 91.208197][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 91.208200][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 91.208206][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 91.208207][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.208208][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 91.208210][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 91.208212][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 91.208213][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.208215][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 91.208216][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 91.208218][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 91.208221][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 91.208223][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 91.208225][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 91.208228][ T12] cleanup_net (net/core/net_namespace.c:706) [ 91.208230][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 91.208231][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.208233][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.208234][ T12] process_one_work (kernel/workqueue.c:3387) [ 91.208237][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 91.208239][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 91.208241][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 91.208244][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 91.208246][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 91.208248][ T12] kthread (kernel/kthread.c:436) [ 91.208250][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 91.208251][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 91.208253][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 91.208255][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 91.208257][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 91.208260][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 91.208261][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 93.378630][ T1786] softirqs last disabled at (0): 0x0 | [ 93.378632][ T1786] Preemption disabled at: | [ 93.378632][ T1786] vprintk_emit (kernel/printk/printk.c:2471) | [ 93.378642][ T1786] Tainted: [W]=WARN [ 93.378643][ T1786] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 93.378645][ T1786] Call Trace: [ 93.378646][ T1786] [ 93.378647][ T1786] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 93.378652][ T1786] ? vprintk_emit (kernel/printk/printk.c:2471) [ 93.378654][ T1786] __might_resched.cold (kernel/sched/core.c:9234) [ 93.378657][ T1786] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 93.378660][ T1786] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 93.378664][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.378666][ T1786] __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)) [ 93.378669][ T1786] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 93.378672][ T1786] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 93.378676][ T1786] ? 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) [ 93.378678][ T1786] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 93.378680][ T1786] put_chars (drivers/char/virtio_console.c:1176) [ 93.378682][ T1786] ? __send_to_port (drivers/char/virtio_console.c:654) [ 93.378684][ T1786] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 93.378686][ T1786] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 93.378691][ T1786] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 93.378693][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.378694][ T1786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.378696][ T1786] console_emit_next_record (kernel/printk/printk.c:3183) [ 93.378699][ T1786] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 93.378701][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.378702][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.378703][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.378704][ T1786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.378706][ T1786] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 93.378708][ T1786] console_flush_one_record (kernel/printk/printk.c:3268) [ 93.378710][ T1786] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 93.378713][ T1786] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 93.378715][ T1786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.378716][ T1786] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 93.378718][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.378719][ T1786] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 93.378720][ T1786] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 93.378722][ T1786] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 93.378723][ T1786] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 93.378725][ T1786] ? vprintk_emit (kernel/printk/printk.c:2478) [ 93.378727][ T1786] vprintk_emit (kernel/printk/printk.c:2479) [ 93.378735][ T1786] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 93.378736][ T1786] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 93.378738][ T1786] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 93.378740][ T1786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.378742][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.378743][ T1786] _printk (kernel/printk/printk.c:2504) [ 93.378746][ T1786] ? snapshot_read.cold (user.c:?) [ 93.378748][ T1786] ? br_multicast_flood (??:?) [ 93.378752][ T1786] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 93.378755][ T1786] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 93.378756][ T1786] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 93.378758][ T1786] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 93.378760][ T1786] br_init_port (net/bridge/br_stp_if.c:39) [ 93.378762][ T1786] new_nbp (net/bridge/br_if.c:449) [ 93.378764][ T1786] br_add_if (net/bridge/br_if.c:592) [ 93.378766][ T1786] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 93.378769][ T1786] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 93.378772][ T1786] do_set_master (net/core/rtnetlink.c:3071) [ 93.378773][ T1786] ? netif_change_flags (net/core/dev.c:9882) [ 93.378776][ T1786] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 93.378777][ T1786] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 93.378779][ T1786] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 93.378780][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.378781][ T1786] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 93.378785][ T1786] ? kasan_save_stack (mm/kasan/common.c:58) [ 93.378786][ T1786] ? kasan_save_stack (mm/kasan/common.c:57) [ 93.378787][ T1786] ? kasan_save_track (mm/kasan/common.c:78) [ 93.378789][ T1786] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 93.378790][ T1786] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 93.378791][ T1786] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 93.378792][ T1786] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 93.378793][ T1786] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 93.378795][ T1786] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 93.378797][ T1786] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 93.378798][ T1786] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 93.378801][ T1786] ? ____sys_sendmsg (net/socket.c:2713) [ 93.378802][ T1786] ? ___sys_sendmsg (net/socket.c:2767) [ 93.378804][ T1786] ? __sys_sendmsg (net/socket.c:2799) [ 93.378805][ T1786] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 93.378809][ T1786] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 93.378811][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.378812][ T1786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.378814][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.378815][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.378816][ T1786] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 93.378817][ T1786] ? __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) [ 93.378819][ T1786] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 93.378820][ T1786] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 93.378822][ T1786] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 93.378823][ T1786] ? nla_get_range_signed (lib/nlattr.c:270) [ 93.378826][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.378827][ T1786] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 93.378829][ T1786] rtnl_newlink (net/core/rtnetlink.c:4215) [ 93.378831][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.378832][ T1786] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 93.378833][ T1786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.378835][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.378836][ T1786] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 93.378839][ T1786] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 93.378840][ T1786] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 93.378841][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.378842][ T1786] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 93.378846][ T1786] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 93.378848][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.378849][ T1786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.378850][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.378852][ T1786] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 93.378853][ T1786] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 93.378854][ T1786] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 93.378856][ T1786] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 93.378857][ T1786] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 93.378859][ T1786] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 93.378861][ T1786] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 93.378862][ T1786] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 93.378864][ T1786] ? netlink_ack (./include/linux/skbuff.h:2718) [ 93.378865][ T1786] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 93.378868][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.378869][ T1786] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 93.378871][ T1786] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 93.378873][ T1786] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 93.378875][ T1786] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 93.378877][ T1786] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 93.378879][ T1786] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 93.378881][ T1786] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 93.378882][ T1786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.378884][ T1786] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 93.378887][ T1786] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 93.378889][ T1786] ____sys_sendmsg (net/socket.c:2713) [ 93.378890][ T1786] ? copy_msghdr_from_user (net/socket.c:2650) [ 93.378892][ T1786] ? sock_write_iter (net/socket.c:1269) [ 93.378893][ T1786] ? move_addr_to_kernel (net/socket.c:258) [ 93.378895][ T1786] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 93.378898][ T1786] ___sys_sendmsg (net/socket.c:2767) [ 93.378899][ T1786] ? copy_msghdr_from_user (net/socket.c:2619) [ 93.378904][ T1786] __sys_sendmsg (net/socket.c:2799) [ 93.378906][ T1786] ? __sys_sendmsg_sock (net/socket.c:2780) [ 93.378909][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.378910][ T1786] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 93.378912][ T1786] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 93.378914][ T1786] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 93.378916][ T1786] RIP: 0033:0x7f72e592554e [ 93.378918][ T1786] 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 [ 93.378919][ T1786] RSP: 002b:00007ffc978a0a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 93.378923][ T1786] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f72e592554e [ 93.378924][ T1786] RDX: 0000000000000000 RSI: 00007ffc978a0ad0 RDI: 0000000000000005 [ 93.378925][ T1786] RBP: 00007ffc978a0a30 R08: 0000000000000000 R09: 0000000000000000 [ 93.378926][ T1786] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91aa36 [ 93.378927][ T1786] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc978a11a0 | [ 100.379999][ T12] softirqs last disabled at (480438): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 100.380002][ T12] Preemption disabled at: | [ 100.380002][ T12] 0x0 | [ 100.380013][ T12] Tainted: [W]=WARN [ 100.380014][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 100.380016][ T12] Workqueue: netns cleanup_net [ 100.380022][ T12] Call Trace: [ 100.380023][ T12] [ 100.380025][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 100.380031][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 100.380035][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 100.380039][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.380042][ 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)) [ 100.380045][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 100.380048][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 100.380053][ 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) [ 100.380055][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 100.380057][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 100.380059][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 100.380060][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 100.380062][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 100.380065][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 100.380070][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 100.380072][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 100.380073][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 100.380076][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 100.380079][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 100.380081][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.380082][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.380083][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.380087][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 100.380089][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 100.380091][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 100.380093][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 100.380096][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 100.380098][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 100.380099][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 100.380101][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.380102][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 100.380104][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 100.380106][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 100.380107][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 100.380109][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 100.380111][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 100.380112][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 100.380113][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.380114][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 100.380118][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 100.380120][ T12] _printk (kernel/printk/printk.c:2504) [ 100.380123][ T12] ? snapshot_read.cold (user.c:?) [ 100.380125][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 100.380128][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 100.380132][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 100.380134][ T12] br_device_event (net/bridge/br.c:111) [ 100.380136][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 100.380138][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 100.380140][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 100.380143][ T12] notifier_call_chain (kernel/notifier.c:85) [ 100.380146][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 100.380148][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 100.380150][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 100.380152][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 100.380154][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 100.380156][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 100.380158][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 100.380160][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 100.380163][ T12] ? kthread (kernel/kthread.c:436) [ 100.380164][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 100.380167][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 100.380169][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 100.380171][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.380172][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 100.380174][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 100.380176][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 100.380177][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 100.380179][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 100.380180][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 100.380182][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 100.380185][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 100.380188][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 100.380189][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 100.380193][ T12] cleanup_net (net/core/net_namespace.c:706) [ 100.380195][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 100.380197][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.380198][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 100.380200][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.380202][ T12] process_one_work (kernel/workqueue.c:3387) [ 100.380205][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 100.380207][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 100.380209][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 100.380211][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 100.380214][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 100.380216][ T12] kthread (kernel/kthread.c:436) [ 100.380218][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 100.380219][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 100.380221][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 100.380223][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 100.380225][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 100.380228][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 100.380229][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 102.492603][ T1978] softirqs last disabled at (0): 0x0 | [ 102.492605][ T1978] Preemption disabled at: | [ 102.492605][ T1978] vprintk_emit (kernel/printk/printk.c:2471) | [ 102.492615][ T1978] Tainted: [W]=WARN [ 102.492616][ T1978] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 102.492618][ T1978] Call Trace: [ 102.492619][ T1978] [ 102.492620][ T1978] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 102.492626][ T1978] ? vprintk_emit (kernel/printk/printk.c:2471) [ 102.492627][ T1978] __might_resched.cold (kernel/sched/core.c:9234) [ 102.492631][ T1978] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 102.492634][ T1978] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 102.492638][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.492641][ T1978] __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)) [ 102.492643][ T1978] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 102.492646][ T1978] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 102.492652][ T1978] ? 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) [ 102.492653][ T1978] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 102.492656][ T1978] put_chars (drivers/char/virtio_console.c:1176) [ 102.492657][ T1978] ? __send_to_port (drivers/char/virtio_console.c:654) [ 102.492659][ T1978] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 102.492662][ T1978] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 102.492666][ T1978] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 102.492668][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.492669][ T1978] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.492672][ T1978] console_emit_next_record (kernel/printk/printk.c:3183) [ 102.492675][ T1978] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 102.492677][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.492678][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.492679][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.492680][ T1978] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.492682][ T1978] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 102.492683][ T1978] console_flush_one_record (kernel/printk/printk.c:3268) [ 102.492686][ T1978] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 102.492689][ T1978] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 102.492690][ T1978] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.492692][ T1978] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 102.492694][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.492695][ T1978] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 102.492696][ T1978] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 102.492698][ T1978] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 102.492699][ T1978] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 102.492701][ T1978] ? vprintk_emit (kernel/printk/printk.c:2478) [ 102.492703][ T1978] vprintk_emit (kernel/printk/printk.c:2479) [ 102.492704][ T1978] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 102.492706][ T1978] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 102.492707][ T1978] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 102.492710][ T1978] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.492711][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.492713][ T1978] _printk (kernel/printk/printk.c:2504) [ 102.492716][ T1978] ? snapshot_read.cold (user.c:?) [ 102.492718][ T1978] ? br_multicast_flood (??:?) [ 102.492721][ T1978] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 102.492724][ T1978] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 102.492725][ T1978] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 102.492727][ T1978] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 102.492730][ T1978] br_init_port (net/bridge/br_stp_if.c:39) [ 102.492731][ T1978] new_nbp (net/bridge/br_if.c:449) [ 102.492734][ T1978] br_add_if (net/bridge/br_if.c:592) [ 102.492735][ T1978] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 102.492739][ T1978] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 102.492742][ T1978] do_set_master (net/core/rtnetlink.c:3071) [ 102.492744][ T1978] ? netif_change_flags (net/core/dev.c:9882) [ 102.492746][ T1978] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 102.492748][ T1978] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 102.492749][ T1978] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 102.492750][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.492752][ T1978] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 102.492755][ T1978] ? kasan_save_stack (mm/kasan/common.c:58) [ 102.492757][ T1978] ? kasan_save_stack (mm/kasan/common.c:57) [ 102.492758][ T1978] ? kasan_save_track (mm/kasan/common.c:78) [ 102.492759][ T1978] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 102.492760][ T1978] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 102.492761][ T1978] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 102.492762][ T1978] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 102.492763][ T1978] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 102.492766][ T1978] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 102.492768][ T1978] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 102.492769][ T1978] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 102.492772][ T1978] ? ____sys_sendmsg (net/socket.c:2713) [ 102.492773][ T1978] ? ___sys_sendmsg (net/socket.c:2767) [ 102.492781][ T1978] ? __sys_sendmsg (net/socket.c:2799) [ 102.492783][ T1978] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 102.492786][ T1978] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 102.492789][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.492790][ T1978] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.492791][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.492792][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.492794][ T1978] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 102.492795][ T1978] ? __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) [ 102.492797][ T1978] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 102.492798][ T1978] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 102.492800][ T1978] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 102.492801][ T1978] ? nla_get_range_signed (lib/nlattr.c:270) [ 102.492804][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.492805][ T1978] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 102.492808][ T1978] rtnl_newlink (net/core/rtnetlink.c:4215) [ 102.492809][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.492811][ T1978] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 102.492812][ T1978] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.492814][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.492815][ T1978] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 102.492818][ T1978] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 102.492819][ T1978] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 102.492821][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.492822][ T1978] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 102.492825][ T1978] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 102.492827][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.492828][ T1978] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.492830][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.492831][ T1978] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 102.492833][ T1978] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 102.492834][ T1978] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 102.492835][ T1978] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 102.492837][ T1978] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 102.492839][ T1978] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 102.492841][ T1978] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 102.492842][ T1978] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 102.492844][ T1978] ? netlink_ack (./include/linux/skbuff.h:2718) [ 102.492845][ T1978] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 102.492848][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.492849][ T1978] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 102.492851][ T1978] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 102.492853][ T1978] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 102.492855][ T1978] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 102.492857][ T1978] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 102.492859][ T1978] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 102.492861][ T1978] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 102.492863][ T1978] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.492864][ T1978] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 102.492867][ T1978] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 102.492869][ T1978] ____sys_sendmsg (net/socket.c:2713) [ 102.492871][ T1978] ? copy_msghdr_from_user (net/socket.c:2650) [ 102.492873][ T1978] ? sock_write_iter (net/socket.c:1269) [ 102.492874][ T1978] ? move_addr_to_kernel (net/socket.c:258) [ 102.492875][ T1978] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 102.492878][ T1978] ___sys_sendmsg (net/socket.c:2767) [ 102.492880][ T1978] ? copy_msghdr_from_user (net/socket.c:2619) [ 102.492885][ T1978] __sys_sendmsg (net/socket.c:2799) [ 102.492887][ T1978] ? __sys_sendmsg_sock (net/socket.c:2780) [ 102.492889][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.492891][ T1978] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 102.492893][ T1978] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 102.492895][ T1978] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 102.492896][ T1978] RIP: 0033:0x7f2d6838154e [ 102.492898][ T1978] 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 [ 102.492900][ T1978] RSP: 002b:00007ffefa499f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 102.492903][ T1978] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2d6838154e [ 102.492905][ T1978] RDX: 0000000000000000 RSI: 00007ffefa499fe0 RDI: 0000000000000005 [ 102.492906][ T1978] RBP: 00007ffefa499f40 R08: 0000000000000000 R09: 0000000000000000 [ 102.492906][ T1978] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91aa3f [ 102.492907][ T1978] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefa49a6b0 | [ 103.502918][ T61] softirqs last disabled at (25331): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 103.502921][ T61] Preemption disabled at: | [ 103.502921][ T61] 0x0 | [ 103.502932][ T61] Tainted: [W]=WARN [ 103.502933][ T61] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 103.502935][ T61] Workqueue: events_unbound linkwatch_event [ 103.502941][ T61] Call Trace: [ 103.502943][ T61] [ 103.502945][ T61] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 103.502950][ T61] __might_resched.cold (kernel/sched/core.c:9234) [ 103.502954][ T61] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 103.502957][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.502959][ T61] __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)) [ 103.502962][ T61] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 103.502965][ T61] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 103.502969][ T61] ? 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) [ 103.502971][ T61] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 103.502974][ T61] put_chars (drivers/char/virtio_console.c:1176) [ 103.502975][ T61] ? __send_to_port (drivers/char/virtio_console.c:654) [ 103.502977][ T61] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 103.502980][ T61] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 103.502984][ T61] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 103.502986][ T61] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 103.502988][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.502989][ T61] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.502992][ T61] console_emit_next_record (kernel/printk/printk.c:3183) [ 103.502994][ T61] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 103.502996][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.502997][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.502998][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.502999][ T61] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.503001][ T61] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 103.503003][ T61] console_flush_one_record (kernel/printk/printk.c:3268) [ 103.503005][ T61] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 103.503008][ T61] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 103.503009][ T61] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.503011][ T61] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 103.503013][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.503014][ T61] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 103.503015][ T61] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 103.503017][ T61] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 103.503018][ T61] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 103.503020][ T61] ? vprintk_emit (kernel/printk/printk.c:2478) [ 103.503021][ T61] vprintk_emit (kernel/printk/printk.c:2479) [ 103.503023][ T61] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 103.503024][ T61] ? 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) [ 103.503027][ T61] _printk (kernel/printk/printk.c:2504) [ 103.503029][ T61] ? snapshot_read.cold (user.c:?) [ 103.503031][ T61] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 103.503034][ T61] ? port_cost (net/bridge/br_if.c:40) [ 103.503037][ T61] ? br_multicast_flood (??:?) [ 103.503039][ T61] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 103.503042][ T61] br_init_port (net/bridge/br_stp_if.c:39) [ 103.503043][ T61] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 103.503045][ T61] br_port_carrier_check (net/bridge/br_if.c:90) [ 103.503047][ T61] br_device_event (net/bridge/br.c:101) [ 103.503050][ T61] ? packet_sendmsg_spkt (af_packet.c:?) [ 103.503051][ T61] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 103.503054][ T61] ? addrconf_notify (net/ipv6/addrconf.c:3796) [ 103.503057][ T61] notifier_call_chain (kernel/notifier.c:85) [ 103.503060][ T61] netif_state_change (net/core/dev.c:1625) [ 103.503063][ T61] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 103.503065][ T61] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 103.503067][ T61] __linkwatch_run_queue (net/core/link_watch.c:240) [ 103.503069][ T61] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 103.503070][ T61] ? debug_object_active_state (lib/debugobjects.c:1122) [ 103.503074][ T61] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 103.503075][ T61] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 103.503077][ T61] process_one_work (kernel/workqueue.c:3387) [ 103.503081][ T61] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 103.503083][ T61] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 103.503085][ T61] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 103.503087][ T61] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 103.503089][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 103.503091][ T61] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 103.503093][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 103.503094][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 103.503096][ T61] kthread (kernel/kthread.c:436) [ 103.503098][ T61] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 103.503101][ T61] ? kthread_affine_preferred (kernel/kthread.c:857) [ 103.503102][ T61] ret_from_fork (arch/x86/kernel/process.c:158) [ 103.503106][ T61] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 103.503108][ T61] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 103.503110][ T61] ? kthread_affine_preferred (kernel/kthread.c:857) [ 103.503112][ T61] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 109.814712][ T12] softirqs last disabled at (480438): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 109.814715][ T12] Preemption disabled at: | [ 109.814716][ T12] 0x0 | [ 109.814729][ T12] Tainted: [W]=WARN [ 109.814730][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 109.814732][ T12] Workqueue: netns cleanup_net [ 109.814739][ T12] Call Trace: [ 109.814740][ T12] [ 109.814743][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 109.814750][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 109.814754][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 109.814759][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.814763][ 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)) [ 109.814766][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 109.814770][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 109.814776][ 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) [ 109.814778][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 109.814781][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 109.814784][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 109.814785][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 109.814789][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 109.814793][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 109.814799][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 109.814801][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 109.814804][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.814807][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 109.814819][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 109.814822][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.814823][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.814825][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.814827][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.814830][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 109.814832][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 109.814836][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 109.814840][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 109.814842][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.814845][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 109.814847][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.814849][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 109.814851][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 109.814853][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 109.814855][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 109.814858][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 109.814861][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 109.814863][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 109.814865][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.814867][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 109.814871][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 109.814873][ T12] _printk (kernel/printk/printk.c:2504) [ 109.814877][ T12] ? snapshot_read.cold (user.c:?) [ 109.814880][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 109.814885][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 109.814889][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 109.814892][ T12] br_device_event (net/bridge/br.c:111) [ 109.814896][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 109.814899][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 109.814902][ T12] notifier_call_chain (kernel/notifier.c:85) [ 109.814906][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 109.814910][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 109.814913][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.814915][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 109.814918][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 109.814921][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 109.814923][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 109.814926][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 109.814929][ T12] ? kthread (kernel/kthread.c:436) [ 109.814931][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 109.814935][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 109.814938][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 109.814940][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.814942][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 109.814945][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 109.814947][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 109.814950][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.814952][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 109.814954][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 109.814957][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 109.814961][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 109.814964][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 109.814967][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 109.814971][ T12] cleanup_net (net/core/net_namespace.c:706) [ 109.814974][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 109.814976][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 109.814980][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.814982][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.814984][ T12] process_one_work (kernel/workqueue.c:3387) [ 109.814988][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 109.814991][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 109.814994][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 109.814998][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 109.815002][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 109.815005][ T12] kthread (kernel/kthread.c:436) [ 109.815007][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 109.815009][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 109.815012][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 109.815014][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 109.815017][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 109.815021][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 109.815023][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 111.815174][ T2216] softirqs last disabled at (0): 0x0 | [ 111.815176][ T2216] Preemption disabled at: | [ 111.815177][ T2216] vprintk_emit (kernel/printk/printk.c:2471) | [ 111.815187][ T2216] Tainted: [W]=WARN [ 111.815187][ T2216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.815189][ T2216] Call Trace: [ 111.815191][ T2216] [ 111.815192][ T2216] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 111.815198][ T2216] ? vprintk_emit (kernel/printk/printk.c:2471) [ 111.815200][ T2216] __might_resched.cold (kernel/sched/core.c:9234) [ 111.815206][ T2216] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 111.815209][ T2216] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 111.815213][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.815215][ T2216] __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)) [ 111.815218][ T2216] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.815221][ T2216] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 111.815226][ T2216] ? 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) [ 111.815227][ T2216] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 111.815230][ T2216] put_chars (drivers/char/virtio_console.c:1176) [ 111.815232][ T2216] ? __send_to_port (drivers/char/virtio_console.c:654) [ 111.815233][ T2216] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 111.815236][ T2216] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 111.815241][ T2216] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 111.815243][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.815244][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.815246][ T2216] console_emit_next_record (kernel/printk/printk.c:3183) [ 111.815249][ T2216] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 111.815251][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.815252][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.815253][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.815254][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.815256][ T2216] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 111.815258][ T2216] console_flush_one_record (kernel/printk/printk.c:3268) [ 111.815261][ T2216] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 111.815263][ T2216] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 111.815265][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.815267][ T2216] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 111.815269][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.815269][ T2216] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 111.815271][ T2216] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 111.815273][ T2216] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 111.815274][ T2216] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 111.815276][ T2216] ? vprintk_emit (kernel/printk/printk.c:2478) [ 111.815278][ T2216] vprintk_emit (kernel/printk/printk.c:2479) [ 111.815279][ T2216] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 111.815280][ T2216] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.815282][ T2216] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 111.815285][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.815286][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.815288][ T2216] _printk (kernel/printk/printk.c:2504) [ 111.815291][ T2216] ? snapshot_read.cold (user.c:?) [ 111.815293][ T2216] ? br_multicast_flood (??:?) [ 111.815296][ T2216] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 111.815299][ T2216] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 111.815300][ T2216] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 111.815302][ T2216] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 111.815304][ T2216] br_init_port (net/bridge/br_stp_if.c:39) [ 111.815306][ T2216] new_nbp (net/bridge/br_if.c:449) [ 111.815308][ T2216] br_add_if (net/bridge/br_if.c:592) [ 111.815310][ T2216] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 111.815313][ T2216] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 111.815317][ T2216] do_set_master (net/core/rtnetlink.c:3071) [ 111.815318][ T2216] ? netif_change_flags (net/core/dev.c:9882) [ 111.815321][ T2216] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 111.815322][ T2216] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 111.815324][ T2216] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 111.815325][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.815326][ T2216] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 111.815330][ T2216] ? kasan_save_stack (mm/kasan/common.c:58) [ 111.815332][ T2216] ? kasan_save_stack (mm/kasan/common.c:57) [ 111.815333][ T2216] ? kasan_save_track (mm/kasan/common.c:78) [ 111.815334][ T2216] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 111.815335][ T2216] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 111.815336][ T2216] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 111.815337][ T2216] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 111.815338][ T2216] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 111.815341][ T2216] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 111.815343][ T2216] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 111.815344][ T2216] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 111.815347][ T2216] ? ____sys_sendmsg (net/socket.c:2713) [ 111.815348][ T2216] ? ___sys_sendmsg (net/socket.c:2767) [ 111.815349][ T2216] ? __sys_sendmsg (net/socket.c:2799) [ 111.815351][ T2216] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 111.815354][ T2216] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 111.815357][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.815358][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.815360][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.815360][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.815362][ T2216] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 111.815363][ T2216] ? __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) [ 111.815365][ T2216] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 111.815366][ T2216] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 111.815368][ T2216] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 111.815369][ T2216] ? nla_get_range_signed (lib/nlattr.c:270) [ 111.815372][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.815373][ T2216] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 111.815376][ T2216] rtnl_newlink (net/core/rtnetlink.c:4215) [ 111.815377][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.815379][ T2216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 111.815380][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.815381][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.815383][ T2216] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 111.815385][ T2216] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 111.815387][ T2216] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 111.815388][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.815389][ T2216] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 111.815392][ T2216] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 111.815395][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.815396][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.815397][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.815398][ T2216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 111.815400][ T2216] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 111.815402][ T2216] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 111.815403][ T2216] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 111.815404][ T2216] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 111.815407][ T2216] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 111.815408][ T2216] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 111.815410][ T2216] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 111.815411][ T2216] ? netlink_ack (./include/linux/skbuff.h:2718) [ 111.815413][ T2216] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 111.815416][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.815417][ T2216] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 111.815419][ T2216] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 111.815421][ T2216] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 111.815423][ T2216] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 111.815425][ T2216] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 111.815427][ T2216] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 111.815429][ T2216] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 111.815430][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.815432][ T2216] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 111.815435][ T2216] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 111.815437][ T2216] ____sys_sendmsg (net/socket.c:2713) [ 111.815438][ T2216] ? copy_msghdr_from_user (net/socket.c:2650) [ 111.815440][ T2216] ? sock_write_iter (net/socket.c:1269) [ 111.815442][ T2216] ? move_addr_to_kernel (net/socket.c:258) [ 111.815443][ T2216] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 111.815446][ T2216] ___sys_sendmsg (net/socket.c:2767) [ 111.815448][ T2216] ? copy_msghdr_from_user (net/socket.c:2619) [ 111.815453][ T2216] __sys_sendmsg (net/socket.c:2799) [ 111.815455][ T2216] ? __sys_sendmsg_sock (net/socket.c:2780) [ 111.815457][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.815459][ T2216] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 111.815461][ T2216] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 111.815463][ T2216] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 111.815464][ T2216] RIP: 0033:0x7f7ece5ee54e [ 111.815466][ T2216] 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 [ 111.815468][ T2216] RSP: 002b:00007ffec8625f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 111.815471][ T2216] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7ece5ee54e [ 111.815473][ T2216] RDX: 0000000000000000 RSI: 00007ffec8626020 RDI: 0000000000000005 [ 111.815473][ T2216] RBP: 00007ffec8625f80 R08: 0000000000000000 R09: 0000000000000000 [ 111.815474][ T2216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91aa49 [ 111.815475][ T2216] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec86266f0 | [ 118.720130][ T12] softirqs last disabled at (480438): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 118.720132][ T12] Preemption disabled at: | [ 118.720133][ T12] 0x0 | [ 118.720143][ T12] Tainted: [W]=WARN [ 118.720144][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 118.720146][ T12] Workqueue: netns cleanup_net [ 118.720152][ T12] Call Trace: [ 118.720153][ T12] [ 118.720155][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 118.720161][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 118.720165][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 118.720169][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.720172][ 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)) [ 118.720175][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 118.720178][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 118.720182][ 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) [ 118.720184][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 118.720187][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 118.720189][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 118.720190][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 118.720193][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 118.720196][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 118.720201][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 118.720206][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 118.720208][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.720210][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 118.720213][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 118.720215][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.720216][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.720217][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.720218][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.720220][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 118.720222][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 118.720224][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 118.720227][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 118.720228][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.720230][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 118.720232][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.720233][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 118.720234][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 118.720236][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 118.720237][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 118.720239][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 118.720241][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 118.720242][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 118.720243][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.720244][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 118.720248][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 118.720249][ T12] _printk (kernel/printk/printk.c:2504) [ 118.720252][ T12] ? snapshot_read.cold (user.c:?) [ 118.720254][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 118.720258][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 118.720261][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 118.720263][ T12] br_device_event (net/bridge/br.c:111) [ 118.720265][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 118.720267][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 118.720269][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 118.720272][ T12] notifier_call_chain (kernel/notifier.c:85) [ 118.720275][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 118.720278][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 118.720280][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.720281][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 118.720283][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 118.720285][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 118.720287][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 118.720289][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 118.720291][ T12] ? kthread (kernel/kthread.c:436) [ 118.720293][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 118.720296][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 118.720298][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 118.720300][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.720301][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 118.720303][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 118.720304][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 118.720306][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.720308][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 118.720309][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 118.720311][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 118.720314][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 118.720316][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 118.720317][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 118.720320][ T12] cleanup_net (net/core/net_namespace.c:706) [ 118.720322][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 118.720324][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.720326][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.720327][ T12] process_one_work (kernel/workqueue.c:3387) [ 118.720330][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 118.720332][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 118.720334][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 118.720337][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 118.720340][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 118.720342][ T12] kthread (kernel/kthread.c:436) [ 118.720343][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 118.720345][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 118.720347][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 118.720348][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 118.720350][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 118.720353][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 118.720355][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 120.881405][ T2414] softirqs last disabled at (0): 0x0 | [ 120.881407][ T2414] Preemption disabled at: | [ 120.881408][ T2414] vprintk_emit (kernel/printk/printk.c:2471) | [ 120.881421][ T2414] Tainted: [W]=WARN [ 120.881422][ T2414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 120.881424][ T2414] Call Trace: [ 120.881426][ T2414] [ 120.881428][ T2414] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 120.881434][ T2414] ? vprintk_emit (kernel/printk/printk.c:2471) [ 120.881436][ T2414] __might_resched.cold (kernel/sched/core.c:9234) [ 120.881441][ T2414] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 120.881445][ T2414] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 120.881449][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.881452][ T2414] __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)) [ 120.881456][ T2414] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 120.881459][ T2414] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 120.881465][ T2414] ? 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) [ 120.881467][ T2414] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 120.881471][ T2414] put_chars (drivers/char/virtio_console.c:1176) [ 120.881473][ T2414] ? __send_to_port (drivers/char/virtio_console.c:654) [ 120.881476][ T2414] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 120.881479][ T2414] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 120.881485][ T2414] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 120.881488][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.881490][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.881493][ T2414] console_emit_next_record (kernel/printk/printk.c:3183) [ 120.881497][ T2414] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 120.881500][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.881501][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.881503][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.881505][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.881508][ T2414] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 120.881510][ T2414] console_flush_one_record (kernel/printk/printk.c:3268) [ 120.881514][ T2414] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 120.881517][ T2414] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 120.881520][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.881522][ T2414] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 120.881525][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.881526][ T2414] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 120.881528][ T2414] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 120.881530][ T2414] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 120.881533][ T2414] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 120.881535][ T2414] ? vprintk_emit (kernel/printk/printk.c:2478) [ 120.881538][ T2414] vprintk_emit (kernel/printk/printk.c:2479) [ 120.881540][ T2414] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 120.881542][ T2414] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 120.881544][ T2414] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 120.881548][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.881550][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.881552][ T2414] _printk (kernel/printk/printk.c:2504) [ 120.881556][ T2414] ? snapshot_read.cold (user.c:?) [ 120.881558][ T2414] ? br_multicast_flood (??:?) [ 120.881563][ T2414] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 120.881566][ T2414] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 120.881568][ T2414] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 120.881571][ T2414] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 120.881574][ T2414] br_init_port (net/bridge/br_stp_if.c:39) [ 120.881577][ T2414] new_nbp (net/bridge/br_if.c:449) [ 120.881580][ T2414] br_add_if (net/bridge/br_if.c:592) [ 120.881582][ T2414] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 120.881586][ T2414] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 120.881591][ T2414] do_set_master (net/core/rtnetlink.c:3071) [ 120.881593][ T2414] ? netif_change_flags (net/core/dev.c:9882) [ 120.881596][ T2414] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 120.881599][ T2414] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 120.881601][ T2414] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 120.881603][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.881604][ T2414] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 120.881609][ T2414] ? kasan_save_stack (mm/kasan/common.c:58) [ 120.881611][ T2414] ? kasan_save_stack (mm/kasan/common.c:57) [ 120.881613][ T2414] ? kasan_save_track (mm/kasan/common.c:78) [ 120.881615][ T2414] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 120.881616][ T2414] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 120.881618][ T2414] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 120.881620][ T2414] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 120.881621][ T2414] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 120.881625][ T2414] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 120.881627][ T2414] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 120.881629][ T2414] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 120.881632][ T2414] ? ____sys_sendmsg (net/socket.c:2713) [ 120.881634][ T2414] ? ___sys_sendmsg (net/socket.c:2767) [ 120.881636][ T2414] ? __sys_sendmsg (net/socket.c:2799) [ 120.881639][ T2414] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 120.881643][ T2414] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 120.881647][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.881648][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.881650][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.881652][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.881654][ T2414] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 120.881656][ T2414] ? __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) [ 120.881658][ T2414] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 120.881660][ T2414] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 120.881663][ T2414] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 120.881664][ T2414] ? nla_get_range_signed (lib/nlattr.c:270) [ 120.881669][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.881671][ T2414] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 120.881674][ T2414] rtnl_newlink (net/core/rtnetlink.c:4215) [ 120.881677][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.881679][ T2414] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 120.881681][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.881683][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.881685][ T2414] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 120.881688][ T2414] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 120.881690][ T2414] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 120.881692][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.881694][ T2414] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 120.881698][ T2414] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 120.881701][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.881703][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.881705][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.881707][ T2414] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 120.881709][ T2414] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 120.881711][ T2414] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 120.881713][ T2414] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 120.881716][ T2414] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 120.881719][ T2414] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 120.881722][ T2414] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 120.881724][ T2414] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 120.881726][ T2414] ? netlink_ack (./include/linux/skbuff.h:2718) [ 120.881728][ T2414] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 120.881732][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.881734][ T2414] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 120.881737][ T2414] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 120.881740][ T2414] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 120.881743][ T2414] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 120.881746][ T2414] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 120.881749][ T2414] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 120.881751][ T2414] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 120.881754][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.881756][ T2414] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 120.881760][ T2414] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 120.881763][ T2414] ____sys_sendmsg (net/socket.c:2713) [ 120.881765][ T2414] ? copy_msghdr_from_user (net/socket.c:2650) [ 120.881767][ T2414] ? sock_write_iter (net/socket.c:1269) [ 120.881769][ T2414] ? move_addr_to_kernel (net/socket.c:258) [ 120.881772][ T2414] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 120.881776][ T2414] ___sys_sendmsg (net/socket.c:2767) [ 120.881778][ T2414] ? copy_msghdr_from_user (net/socket.c:2619) [ 120.881786][ T2414] __sys_sendmsg (net/socket.c:2799) [ 120.881789][ T2414] ? __sys_sendmsg_sock (net/socket.c:2780) [ 120.881793][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.881795][ T2414] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 120.881798][ T2414] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 120.881800][ T2414] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 120.881802][ T2414] RIP: 0033:0x7fbad8d7054e [ 120.881805][ T2414] 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 [ 120.881807][ T2414] RSP: 002b:00007ffeb64ca670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 120.881811][ T2414] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbad8d7054e [ 120.881813][ T2414] RDX: 0000000000000000 RSI: 00007ffeb64ca720 RDI: 0000000000000005 [ 120.881814][ T2414] RBP: 00007ffeb64ca680 R08: 0000000000000000 R09: 0000000000000000 [ 120.881815][ T2414] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91aa52 [ 120.881817][ T2414] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb64cadf0 | [ 127.957198][ T12] softirqs last disabled at (480438): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 127.957204][ T12] Preemption disabled at: | [ 127.957205][ T12] 0x0 | [ 127.957218][ T12] Tainted: [W]=WARN [ 127.957219][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 127.957222][ T12] Workqueue: netns cleanup_net [ 127.957229][ T12] Call Trace: [ 127.957230][ T12] [ 127.957232][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 127.957240][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 127.957244][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 127.957250][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.957253][ 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)) [ 127.957257][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 127.957261][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 127.957267][ 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) [ 127.957269][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 127.957273][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 127.957275][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 127.957277][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 127.957282][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 127.957285][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 127.957292][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 127.957294][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 127.957297][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 127.957301][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 127.957305][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 127.957308][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.957310][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.957311][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.957313][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 127.957316][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 127.957319][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 127.957323][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 127.957327][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 127.957330][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 127.957332][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 127.957335][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.957337][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 127.957339][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 127.957341][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 127.957344][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 127.957347][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 127.957349][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 127.957352][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 127.957354][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.957356][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 127.957360][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 127.957363][ T12] _printk (kernel/printk/printk.c:2504) [ 127.957367][ T12] ? snapshot_read.cold (user.c:?) [ 127.957370][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 127.957375][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 127.957380][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 127.957383][ T12] br_device_event (net/bridge/br.c:111) [ 127.957386][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 127.957389][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 127.957392][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 127.957396][ T12] notifier_call_chain (kernel/notifier.c:85) [ 127.957401][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 127.957404][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 127.957407][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 127.957410][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 127.957413][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 127.957416][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 127.957419][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 127.957421][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 127.957425][ T12] ? kthread (kernel/kthread.c:436) [ 127.957428][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 127.957431][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 127.957435][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 127.957437][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.957440][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 127.957443][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 127.957445][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 127.957448][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 127.957450][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 127.957453][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 127.957456][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 127.957460][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 127.957463][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 127.957466][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 127.957470][ T12] cleanup_net (net/core/net_namespace.c:706) [ 127.957473][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 127.957476][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 127.957478][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.957481][ T12] process_one_work (kernel/workqueue.c:3387) [ 127.957485][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 127.957488][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 127.957492][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 127.957496][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 127.957500][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 127.957503][ T12] kthread (kernel/kthread.c:436) [ 127.957505][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 127.957507][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 127.957510][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 127.957513][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 127.957516][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 127.957520][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 127.957523][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 130.219158][ T2622] softirqs last disabled at (0): 0x0 | [ 130.219160][ T2622] Preemption disabled at: | [ 130.219161][ T2622] vprintk_emit (kernel/printk/printk.c:2471) | [ 130.219173][ T2622] Tainted: [W]=WARN [ 130.219175][ T2622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 130.219177][ T2622] Call Trace: [ 130.219178][ T2622] [ 130.219180][ T2622] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 130.219186][ T2622] ? vprintk_emit (kernel/printk/printk.c:2471) [ 130.219188][ T2622] __might_resched.cold (kernel/sched/core.c:9234) [ 130.219192][ T2622] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 130.219197][ T2622] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 130.219200][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.219206][ T2622] __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)) [ 130.219209][ T2622] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 130.219213][ T2622] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 130.219219][ T2622] ? 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) [ 130.219221][ T2622] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 130.219225][ T2622] put_chars (drivers/char/virtio_console.c:1176) [ 130.219227][ T2622] ? __send_to_port (drivers/char/virtio_console.c:654) [ 130.219230][ T2622] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 130.219234][ T2622] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 130.219240][ T2622] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 130.219243][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.219245][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.219248][ T2622] console_emit_next_record (kernel/printk/printk.c:3183) [ 130.219252][ T2622] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 130.219255][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.219256][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.219258][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.219259][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.219262][ T2622] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 130.219264][ T2622] console_flush_one_record (kernel/printk/printk.c:3268) [ 130.219268][ T2622] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 130.219272][ T2622] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 130.219274][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.219276][ T2622] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 130.219278][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.219280][ T2622] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 130.219282][ T2622] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 130.219284][ T2622] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 130.219287][ T2622] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 130.219289][ T2622] ? vprintk_emit (kernel/printk/printk.c:2478) [ 130.219291][ T2622] vprintk_emit (kernel/printk/printk.c:2479) [ 130.219294][ T2622] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 130.219296][ T2622] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 130.219298][ T2622] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 130.219302][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.219304][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.219306][ T2622] _printk (kernel/printk/printk.c:2504) [ 130.219310][ T2622] ? snapshot_read.cold (user.c:?) [ 130.219313][ T2622] ? br_multicast_flood (??:?) [ 130.219317][ T2622] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 130.219320][ T2622] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 130.219321][ T2622] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 130.219325][ T2622] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 130.219328][ T2622] br_init_port (net/bridge/br_stp_if.c:39) [ 130.219331][ T2622] new_nbp (net/bridge/br_if.c:449) [ 130.219334][ T2622] br_add_if (net/bridge/br_if.c:592) [ 130.219337][ T2622] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 130.219341][ T2622] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 130.219345][ T2622] do_set_master (net/core/rtnetlink.c:3071) [ 130.219348][ T2622] ? netif_change_flags (net/core/dev.c:9882) [ 130.219351][ T2622] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 130.219353][ T2622] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 130.219356][ T2622] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 130.219358][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.219359][ T2622] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 130.219364][ T2622] ? kasan_save_stack (mm/kasan/common.c:58) [ 130.219367][ T2622] ? kasan_save_stack (mm/kasan/common.c:57) [ 130.219368][ T2622] ? kasan_save_track (mm/kasan/common.c:78) [ 130.219370][ T2622] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 130.219372][ T2622] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 130.219373][ T2622] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 130.219375][ T2622] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 130.219377][ T2622] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 130.219380][ T2622] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 130.219382][ T2622] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 130.219384][ T2622] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 130.219388][ T2622] ? ____sys_sendmsg (net/socket.c:2713) [ 130.219389][ T2622] ? ___sys_sendmsg (net/socket.c:2767) [ 130.219391][ T2622] ? __sys_sendmsg (net/socket.c:2799) [ 130.219394][ T2622] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 130.219398][ T2622] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 130.219401][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.219403][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.219405][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.219406][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.219408][ T2622] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 130.219410][ T2622] ? __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) [ 130.219413][ T2622] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 130.219415][ T2622] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 130.219417][ T2622] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 130.219419][ T2622] ? nla_get_range_signed (lib/nlattr.c:270) [ 130.219423][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.219425][ T2622] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 130.219429][ T2622] rtnl_newlink (net/core/rtnetlink.c:4215) [ 130.219432][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.219434][ T2622] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 130.219435][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.219437][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.219440][ T2622] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 130.219443][ T2622] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 130.219445][ T2622] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 130.219447][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.219449][ T2622] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 130.219453][ T2622] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 130.219456][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.219458][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.219460][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.219462][ T2622] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 130.219464][ T2622] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 130.219467][ T2622] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 130.219469][ T2622] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 130.219472][ T2622] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 130.219476][ T2622] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 130.219478][ T2622] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 130.219480][ T2622] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 130.219483][ T2622] ? netlink_ack (./include/linux/skbuff.h:2718) [ 130.219485][ T2622] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 130.219489][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.219491][ T2622] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 130.219494][ T2622] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 130.219497][ T2622] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 130.219499][ T2622] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 130.219502][ T2622] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 130.219506][ T2622] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 130.219508][ T2622] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 130.219510][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.219512][ T2622] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 130.219516][ T2622] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 130.219519][ T2622] ____sys_sendmsg (net/socket.c:2713) [ 130.219521][ T2622] ? copy_msghdr_from_user (net/socket.c:2650) [ 130.219524][ T2622] ? sock_write_iter (net/socket.c:1269) [ 130.219526][ T2622] ? move_addr_to_kernel (net/socket.c:258) [ 130.219528][ T2622] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 130.219532][ T2622] ___sys_sendmsg (net/socket.c:2767) [ 130.219534][ T2622] ? copy_msghdr_from_user (net/socket.c:2619) [ 130.219542][ T2622] __sys_sendmsg (net/socket.c:2799) [ 130.219545][ T2622] ? __sys_sendmsg_sock (net/socket.c:2780) [ 130.219549][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.219552][ T2622] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 130.219554][ T2622] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 130.219557][ T2622] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 130.219559][ T2622] RIP: 0033:0x7f507540c54e [ 130.219562][ T2622] 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 [ 130.219564][ T2622] RSP: 002b:00007fff08e0f7d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 130.219568][ T2622] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f507540c54e [ 130.219570][ T2622] RDX: 0000000000000000 RSI: 00007fff08e0f880 RDI: 0000000000000005 [ 130.219572][ T2622] RBP: 00007fff08e0f7e0 R08: 0000000000000000 R09: 0000000000000000 [ 130.219573][ T2622] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91aa5b [ 130.219574][ T2622] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff08e0ff50 | [ 137.685428][ T12] softirqs last disabled at (480438): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 137.685430][ T12] Preemption disabled at: | [ 137.685431][ T12] 0x0 | [ 137.685441][ T12] Tainted: [W]=WARN [ 137.685442][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 137.685444][ T12] Workqueue: netns cleanup_net [ 137.685450][ T12] Call Trace: [ 137.685451][ T12] [ 137.685453][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 137.685459][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 137.685462][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 137.685466][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.685469][ 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)) [ 137.685472][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 137.685476][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 137.685480][ 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) [ 137.685482][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 137.685485][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 137.685487][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 137.685488][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 137.685491][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 137.685493][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 137.685498][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 137.685500][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 137.685502][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.685504][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 137.685507][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 137.685509][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.685510][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.685511][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.685512][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.685514][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 137.685516][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 137.685519][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 137.685521][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 137.685523][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.685525][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 137.685527][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.685528][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 137.685529][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 137.685531][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 137.685532][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 137.685534][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 137.685536][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 137.685538][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 137.685539][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.685540][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 137.685543][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 137.685545][ T12] _printk (kernel/printk/printk.c:2504) [ 137.685548][ T12] ? snapshot_read.cold (user.c:?) [ 137.685551][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 137.685554][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 137.685558][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 137.685560][ T12] br_device_event (net/bridge/br.c:111) [ 137.685562][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 137.685564][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 137.685566][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 137.685569][ T12] notifier_call_chain (kernel/notifier.c:85) [ 137.685572][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 137.685575][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 137.685577][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.685579][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 137.685581][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 137.685583][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 137.685585][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 137.685586][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 137.685589][ T12] ? kthread (kernel/kthread.c:436) [ 137.685591][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 137.685594][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 137.685597][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 137.685598][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.685599][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 137.685602][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 137.685603][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 137.685605][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.685606][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 137.685608][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 137.685610][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 137.685613][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 137.685615][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 137.685616][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 137.685619][ T12] cleanup_net (net/core/net_namespace.c:706) [ 137.685621][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 137.685623][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.685625][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.685627][ T12] process_one_work (kernel/workqueue.c:3387) [ 137.685630][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 137.685632][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 137.685635][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 137.685638][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 137.685639][ T12] kthread (kernel/kthread.c:436) [ 137.685641][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 137.685643][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 137.685645][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 137.685646][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 137.685648][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 137.685651][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 137.685653][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 140.028004][ T2843] softirqs last disabled at (0): 0x0 | [ 140.028006][ T2843] Preemption disabled at: | [ 140.028007][ T2843] vprintk_emit (kernel/printk/printk.c:2471) | [ 140.028017][ T2843] Tainted: [W]=WARN [ 140.028018][ T2843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 140.028020][ T2843] Call Trace: [ 140.028021][ T2843] [ 140.028022][ T2843] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 140.028028][ T2843] ? vprintk_emit (kernel/printk/printk.c:2471) [ 140.028029][ T2843] __might_resched.cold (kernel/sched/core.c:9234) [ 140.028033][ T2843] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 140.028036][ T2843] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 140.028039][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.028042][ T2843] __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)) [ 140.028044][ T2843] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 140.028048][ T2843] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 140.028052][ T2843] ? 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) [ 140.028054][ T2843] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 140.028057][ T2843] put_chars (drivers/char/virtio_console.c:1176) [ 140.028058][ T2843] ? __send_to_port (drivers/char/virtio_console.c:654) [ 140.028060][ T2843] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 140.028062][ T2843] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 140.028067][ T2843] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 140.028069][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.028070][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.028072][ T2843] console_emit_next_record (kernel/printk/printk.c:3183) [ 140.028075][ T2843] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 140.028077][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.028078][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.028079][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.028080][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.028082][ T2843] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 140.028084][ T2843] console_flush_one_record (kernel/printk/printk.c:3268) [ 140.028086][ T2843] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 140.028088][ T2843] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 140.028090][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.028092][ T2843] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 140.028093][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.028094][ T2843] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 140.028096][ T2843] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 140.028097][ T2843] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 140.028099][ T2843] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 140.028101][ T2843] ? vprintk_emit (kernel/printk/printk.c:2478) [ 140.028102][ T2843] vprintk_emit (kernel/printk/printk.c:2479) [ 140.028104][ T2843] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 140.028105][ T2843] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 140.028106][ T2843] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 140.028109][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.028111][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.028112][ T2843] _printk (kernel/printk/printk.c:2504) [ 140.028115][ T2843] ? snapshot_read.cold (user.c:?) [ 140.028117][ T2843] ? br_multicast_flood (??:?) [ 140.028120][ T2843] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 140.028123][ T2843] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 140.028124][ T2843] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 140.028126][ T2843] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 140.028128][ T2843] br_init_port (net/bridge/br_stp_if.c:39) [ 140.028130][ T2843] new_nbp (net/bridge/br_if.c:449) [ 140.028132][ T2843] br_add_if (net/bridge/br_if.c:592) [ 140.028134][ T2843] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 140.028137][ T2843] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 140.028141][ T2843] do_set_master (net/core/rtnetlink.c:3071) [ 140.028142][ T2843] ? netif_change_flags (net/core/dev.c:9882) [ 140.028144][ T2843] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 140.028146][ T2843] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 140.028148][ T2843] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 140.028149][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.028150][ T2843] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 140.028153][ T2843] ? kasan_save_stack (mm/kasan/common.c:58) [ 140.028155][ T2843] ? kasan_save_stack (mm/kasan/common.c:57) [ 140.028156][ T2843] ? kasan_save_track (mm/kasan/common.c:78) [ 140.028157][ T2843] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 140.028158][ T2843] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 140.028159][ T2843] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 140.028160][ T2843] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 140.028161][ T2843] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 140.028164][ T2843] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 140.028166][ T2843] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 140.028167][ T2843] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 140.028170][ T2843] ? ____sys_sendmsg (net/socket.c:2713) [ 140.028171][ T2843] ? ___sys_sendmsg (net/socket.c:2767) [ 140.028173][ T2843] ? __sys_sendmsg (net/socket.c:2799) [ 140.028174][ T2843] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 140.028178][ T2843] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 140.028180][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.028181][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.028183][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.028184][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.028185][ T2843] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 140.028186][ T2843] ? __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) [ 140.028188][ T2843] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 140.028189][ T2843] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 140.028191][ T2843] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 140.028192][ T2843] ? nla_get_range_signed (lib/nlattr.c:270) [ 140.028196][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.028197][ T2843] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 140.028199][ T2843] rtnl_newlink (net/core/rtnetlink.c:4215) [ 140.028201][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.028205][ T2843] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 140.028206][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.028208][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.028209][ T2843] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 140.028212][ T2843] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 140.028213][ T2843] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 140.028215][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.028216][ T2843] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 140.028219][ T2843] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 140.028222][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.028223][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.028224][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.028226][ T2843] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 140.028227][ T2843] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 140.028228][ T2843] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 140.028230][ T2843] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 140.028231][ T2843] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 140.028233][ T2843] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 140.028235][ T2843] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 140.028236][ T2843] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 140.028238][ T2843] ? netlink_ack (./include/linux/skbuff.h:2718) [ 140.028239][ T2843] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 140.028242][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.028243][ T2843] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 140.028245][ T2843] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 140.028247][ T2843] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 140.028249][ T2843] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 140.028251][ T2843] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 140.028253][ T2843] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 140.028254][ T2843] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 140.028256][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.028257][ T2843] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 140.028260][ T2843] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 140.028262][ T2843] ____sys_sendmsg (net/socket.c:2713) [ 140.028264][ T2843] ? copy_msghdr_from_user (net/socket.c:2650) [ 140.028265][ T2843] ? sock_write_iter (net/socket.c:1269) [ 140.028267][ T2843] ? move_addr_to_kernel (net/socket.c:258) [ 140.028268][ T2843] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 140.028271][ T2843] ___sys_sendmsg (net/socket.c:2767) [ 140.028273][ T2843] ? copy_msghdr_from_user (net/socket.c:2619) [ 140.028277][ T2843] __sys_sendmsg (net/socket.c:2799) [ 140.028279][ T2843] ? __sys_sendmsg_sock (net/socket.c:2780) [ 140.028282][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.028283][ T2843] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 140.028285][ T2843] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 140.028287][ T2843] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 140.028288][ T2843] RIP: 0033:0x7fc7d555b54e [ 140.028290][ T2843] 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 [ 140.028292][ T2843] RSP: 002b:00007fff3612a9d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 140.028295][ T2843] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc7d555b54e [ 140.028297][ T2843] RDX: 0000000000000000 RSI: 00007fff3612aa80 RDI: 0000000000000005 [ 140.028298][ T2843] RBP: 00007fff3612a9e0 R08: 0000000000000000 R09: 0000000000000000 [ 140.028298][ T2843] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91aa65 [ 140.028299][ T2843] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3612b150 | [ 147.754076][ T12] softirqs last disabled at (480438): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 147.754078][ T12] Preemption disabled at: | [ 147.754079][ T12] 0x0 | [ 147.754089][ T12] Tainted: [W]=WARN [ 147.754089][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 147.754092][ T12] Workqueue: netns cleanup_net [ 147.754097][ T12] Call Trace: [ 147.754099][ T12] [ 147.754100][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 147.754106][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 147.754109][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 147.754114][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 147.754116][ 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)) [ 147.754119][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 147.754122][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 147.754127][ 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) [ 147.754128][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 147.754131][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 147.754133][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 147.754134][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 147.754137][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 147.754139][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 147.754144][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 147.754145][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 147.754147][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 147.754150][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 147.754152][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 147.754154][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 147.754155][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 147.754156][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 147.754157][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 147.754159][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 147.754161][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 147.754163][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 147.754166][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 147.754168][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 147.754169][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 147.754171][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 147.754172][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 147.754173][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 147.754175][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 147.754176][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 147.754178][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 147.754180][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 147.754182][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 147.754183][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 147.754184][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 147.754187][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 147.754189][ T12] _printk (kernel/printk/printk.c:2504) [ 147.754192][ T12] ? snapshot_read.cold (user.c:?) [ 147.754195][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 147.754199][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 147.754205][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 147.754207][ T12] br_device_event (net/bridge/br.c:111) [ 147.754209][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 147.754211][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 147.754213][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 147.754216][ T12] notifier_call_chain (kernel/notifier.c:85) [ 147.754220][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 147.754222][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 147.754225][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 147.754227][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 147.754229][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 147.754231][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 147.754233][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 147.754235][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 147.754238][ T12] ? kthread (kernel/kthread.c:436) [ 147.754240][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 147.754243][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 147.754245][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 147.754247][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 147.754248][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 147.754250][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 147.754251][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 147.754253][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 147.754254][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 147.754256][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 147.754258][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 147.754261][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 147.754263][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 147.754265][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 147.754268][ T12] cleanup_net (net/core/net_namespace.c:706) [ 147.754269][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 147.754271][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 147.754273][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 147.754274][ T12] process_one_work (kernel/workqueue.c:3387) [ 147.754277][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 147.754280][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 147.754282][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 147.754285][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 147.754287][ T12] kthread (kernel/kthread.c:436) [ 147.754288][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 147.754290][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 147.754292][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 147.754293][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 147.754295][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 147.754298][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: inet6_fill_ifla6_attrs:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock __fib6_clean_all:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print addrconf_permanent_addr:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars