====================================== | [ 10.564041][ T217] softirqs last disabled at (19926): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.564044][ T217] Preemption disabled at: | [ 10.564045][ T217] 0x0 | [ 10.564055][ T217] Tainted: [W]=WARN [ 10.564056][ T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.564057][ T217] Call Trace: [ 10.564059][ T217] [ 10.564060][ T217] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.564067][ T217] __might_resched.cold (kernel/sched/core.c:9234) [ 10.564071][ T217] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.564075][ T217] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.564080][ T217] __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)) [ 10.564081][ T217] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.564088][ T217] ? 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) [ 10.564091][ T217] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.564094][ T217] put_chars (drivers/char/virtio_console.c:1176) [ 10.564097][ T217] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.564098][ T217] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.564101][ T217] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.564107][ T217] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.564114][ T217] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.564117][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.564119][ T217] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.564123][ T217] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.564127][ T217] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.564128][ T217] ? 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)) [ 10.564132][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.564133][ T217] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.564137][ T217] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.564141][ T217] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.564143][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.564148][ T217] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.564151][ T217] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.564153][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.564155][ T217] ? 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) [ 10.564158][ T217] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.564160][ T217] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.564163][ T217] vprintk_emit (kernel/printk/printk.c:2479) [ 10.564166][ T217] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.564169][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.564172][ T217] _printk (kernel/printk/printk.c:2504) [ 10.564176][ T217] ? snapshot_read.cold (user.c:?) [ 10.564179][ T217] ? 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) [ 10.564181][ T217] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.564185][ T217] ? 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) [ 10.564188][ T217] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.564191][ T217] ? exit_notify (kernel/exit.c:780) [ 10.564193][ T217] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.564196][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.564199][ T217] do_group_exit (kernel/exit.c:1151) [ 10.564202][ T217] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.564204][ T217] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.564206][ T217] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.564210][ T217] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.564213][ T217] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.564215][ T217] RIP: 0033:0x7f70629551b8 [ 10.564217][ T217] Code: Unable to access opcode bytes at 0x7f706295518e. Code starting with the faulting instruction =========================================== [ 10.564218][ T217] RSP: 002b:00007ffd16a20b18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.564221][ T217] RAX: ffffffffffffffda RBX: 00007f7062a85f88 RCX: 00007f70629551b8 [ 10.564222][ T217] RDX: 00007f706269ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.564223][ T217] RBP: 00007ffd16a20b70 R08: 0000000000000000 R09: 0000000000000050 [ 10.564224][ T217] R10: 00007ffd16a20930 R11: 0000000000000246 R12: 0000000000000001 [ 10.564225][ T217] R13: 0000000000000000 R14: 00007f7062a84680 R15: 00007f7062a85fa0 | [ 12.528547][ T270] softirqs last disabled at (17470): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 12.528549][ T270] Preemption disabled at: | [ 12.528550][ T270] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.528558][ T270] Tainted: [W]=WARN [ 12.528559][ T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.528561][ T270] Call Trace: [ 12.528563][ T270] [ 12.528564][ T270] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.528570][ T270] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.528572][ T270] __might_resched.cold (kernel/sched/core.c:9234) [ 12.528576][ T270] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.528580][ T270] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.528585][ T270] __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)) [ 12.528587][ T270] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.528593][ T270] ? 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) [ 12.528596][ T270] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.528600][ T270] put_chars (drivers/char/virtio_console.c:1176) [ 12.528602][ T270] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.528605][ T270] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.528610][ T270] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.528618][ T270] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.528621][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.528623][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.528627][ T270] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.528631][ T270] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.528633][ T270] ? 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)) [ 12.528636][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.528638][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.528641][ T270] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.528645][ T270] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.528647][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.528652][ T270] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.528655][ T270] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.528657][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.528659][ T270] ? 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) [ 12.528662][ T270] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.528664][ T270] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.528667][ T270] vprintk_emit (kernel/printk/printk.c:2479) [ 12.528669][ T270] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.528671][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.528673][ T270] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.528677][ T270] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.528680][ T270] _printk (kernel/printk/printk.c:2504) [ 12.528684][ T270] ? snapshot_read.cold (user.c:?) [ 12.528687][ T270] ? br_multicast_flood (??:?) [ 12.528690][ T270] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.528691][ T270] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.528692][ T270] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.528697][ T270] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 12.528700][ T270] br_init_port (net/bridge/br_stp_if.c:39) [ 12.528703][ T270] new_nbp (net/bridge/br_if.c:449) [ 12.528706][ T270] br_add_if (net/bridge/br_if.c:592) [ 12.528709][ T270] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 12.528713][ T270] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 12.528718][ T270] do_set_master (net/core/rtnetlink.c:3071) [ 12.528720][ T270] ? netif_change_flags (net/core/dev.c:9882) [ 12.528723][ T270] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.528726][ T270] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.528730][ T270] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.528731][ T270] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.528734][ T270] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.528737][ T270] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.528739][ T270] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.528741][ T270] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.528743][ T270] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.528746][ T270] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.528747][ T270] ? kasan_save_track (mm/kasan/common.c:78) [ 12.528748][ T270] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 12.528750][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.528752][ T270] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 12.528755][ T270] ? ___sys_sendmsg (net/socket.c:2758) [ 12.528759][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.528761][ T270] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.528764][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.528765][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.528767][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.528768][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.528770][ T270] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.528772][ T270] ? __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) [ 12.528773][ T270] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.528775][ T270] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.528778][ T270] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.528779][ T270] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.528784][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.528786][ T270] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.528791][ T270] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.528797][ T270] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.528798][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.528803][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.528805][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.528807][ T270] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.528809][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.528812][ T270] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.528814][ T270] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.528817][ T270] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.528819][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.528823][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.528825][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.528828][ T270] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.528831][ T270] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.528834][ T270] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.528840][ T270] ? 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)) [ 12.528843][ T270] ? 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)) [ 12.528847][ T270] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.528851][ T270] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.528853][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.528858][ T270] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.528861][ T270] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.528865][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.528867][ T270] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 12.528872][ T270] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 12.528875][ T270] ____sys_sendmsg (net/socket.c:2713) [ 12.528877][ T270] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.528879][ T270] ? sock_write_iter (net/socket.c:1269) [ 12.528881][ T270] ? move_addr_to_kernel (net/socket.c:258) [ 12.528888][ T270] ___sys_sendmsg (net/socket.c:2767) [ 12.528891][ T270] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.528914][ T270] __sys_sendmsg (net/socket.c:2799) [ 12.528917][ T270] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.528923][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.528926][ T270] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.528929][ T270] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.528932][ T270] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.528934][ T270] RIP: 0033:0x7f7e1272a54e [ 12.528938][ T270] 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 [ 12.528940][ T270] RSP: 002b:00007ffc89726210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.528942][ T270] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7e1272a54e [ 12.528944][ T270] RDX: 0000000000000000 RSI: 00007ffc897262c0 RDI: 0000000000000005 [ 12.528944][ T270] RBP: 00007ffc89726220 R08: 0000000000000000 R09: 0000000000000000 [ 12.528945][ T270] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910234 [ 12.528946][ T270] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc89726990 | [ 13.536761][ T296] softirqs last disabled at (28890): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 13.536764][ T296] Preemption disabled at: | [ 13.536764][ T296] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.536773][ T296] Tainted: [W]=WARN [ 13.536774][ T296] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.536775][ T296] Call Trace: [ 13.536777][ T296] [ 13.536779][ T296] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.536785][ T296] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.536786][ T296] __might_resched.cold (kernel/sched/core.c:9234) [ 13.536791][ T296] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.536795][ T296] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.536799][ T296] __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)) [ 13.536801][ T296] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.536808][ T296] ? 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) [ 13.536811][ T296] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.536815][ T296] put_chars (drivers/char/virtio_console.c:1176) [ 13.536817][ T296] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.536818][ T296] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.536822][ T296] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.536825][ T296] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.536830][ T296] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.536834][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.536839][ T296] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.536842][ T296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.536847][ T296] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.536851][ T296] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.536853][ T296] ? 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)) [ 13.536856][ T296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.536858][ T296] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.536862][ T296] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.536866][ T296] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.536868][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.536874][ T296] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.536877][ T296] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.536879][ T296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.536880][ T296] ? 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) [ 13.536884][ T296] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.536886][ T296] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.536889][ T296] vprintk_emit (kernel/printk/printk.c:2479) [ 13.536892][ T296] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.536894][ T296] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.536896][ T296] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.536900][ T296] _printk (kernel/printk/printk.c:2504) [ 13.536909][ T296] ? snapshot_read.cold (user.c:?) [ 13.536913][ T296] ? br_multicast_flood (??:?) [ 13.536916][ T296] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 13.536917][ T296] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 13.536919][ T296] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.536923][ T296] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 13.536927][ T296] br_init_port (net/bridge/br_stp_if.c:39) [ 13.536930][ T296] new_nbp (net/bridge/br_if.c:449) [ 13.536934][ T296] br_add_if (net/bridge/br_if.c:592) [ 13.536936][ T296] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 13.536944][ T296] do_set_master (net/core/rtnetlink.c:3071) [ 13.536947][ T296] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 13.536951][ T296] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 13.536953][ T296] ? __dev_get_by_name (net/core/dev.c:905) [ 13.536955][ T296] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 13.536965][ T296] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 13.536971][ T296] rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.536977][ T296] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.536979][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.536985][ T296] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.536989][ T296] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.536991][ T296] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.536995][ T296] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.536996][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.537004][ T296] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.537006][ T296] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.537010][ T296] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 13.537013][ T296] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.537016][ T296] ? netlink_ack (./include/linux/skbuff.h:2718) [ 13.537023][ T296] ? 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)) [ 13.537025][ T296] ? 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)) [ 13.537029][ T296] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 13.537033][ T296] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.537039][ T296] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 13.537043][ T296] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.537047][ T296] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.537049][ T296] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 13.537055][ T296] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 13.537059][ T296] ____sys_sendmsg (net/socket.c:2713) [ 13.537061][ T296] ? copy_msghdr_from_user (net/socket.c:2650) [ 13.537063][ T296] ? sock_write_iter (net/socket.c:1269) [ 13.537065][ T296] ? move_addr_to_kernel (net/socket.c:258) [ 13.537070][ T296] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 13.537072][ T296] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.537076][ T296] ___sys_sendmsg (net/socket.c:2767) [ 13.537078][ T296] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 13.537080][ T296] ? copy_msghdr_from_user (net/socket.c:2619) [ 13.537083][ T296] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 13.537098][ T296] __sys_sendmsg (net/socket.c:2799) [ 13.537101][ T296] ? __sys_sendmsg_sock (net/socket.c:2780) [ 13.537107][ T296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.537108][ T296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.537111][ T296] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.537115][ T296] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.537118][ T296] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.537121][ T296] RIP: 0033:0x7fefacfe354e [ 13.537124][ T296] 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 [ 13.537126][ T296] RSP: 002b:00007ffd13608e20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.537129][ T296] RAX: ffffffffffffffda RBX: 00007ffd136095e8 RCX: 00007fefacfe354e [ 13.537130][ T296] RDX: 0000000000000000 RSI: 00007ffd13608ed0 RDI: 0000000000000005 [ 13.537131][ T296] RBP: 00007ffd13608e30 R08: 0000000000000000 R09: 0000000000000000 [ 13.537132][ T296] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910235 [ 13.537133][ T296] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd136095a0 | [ 19.055381][ T311] softirqs last disabled at (31157): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 19.055383][ T311] Preemption disabled at: | [ 19.055384][ T311] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.055392][ T311] Tainted: [W]=WARN [ 19.055393][ T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.055395][ T311] Call Trace: [ 19.055396][ T311] [ 19.055398][ T311] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.055403][ T311] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.055405][ T311] __might_resched.cold (kernel/sched/core.c:9234) [ 19.055409][ T311] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.055413][ T311] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.055418][ T311] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 19.055420][ T311] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.055427][ T311] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 19.055430][ T311] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.055433][ T311] put_chars (drivers/char/virtio_console.c:1176) [ 19.055435][ T311] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 19.055437][ T311] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.055440][ T311] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.055443][ T311] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.055448][ T311] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.055452][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.055454][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.055458][ T311] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.055460][ T311] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 19.055464][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.055466][ T311] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.055470][ T311] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.055474][ T311] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.055476][ T311] ? 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)) [ 19.055479][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.055481][ T311] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.055485][ T311] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.055489][ T311] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.055491][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.055497][ T311] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.055500][ T311] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.055501][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.055503][ T311] ? 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) [ 19.055507][ T311] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.055509][ T311] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.055511][ T311] vprintk_emit (kernel/printk/printk.c:2479) [ 19.055515][ T311] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.055520][ T311] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 19.055524][ T311] _printk (kernel/printk/printk.c:2504) [ 19.055527][ T311] ? snapshot_read.cold (user.c:?) [ 19.055533][ T311] ? 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) [ 19.055537][ T311] gact_init_module (net/sched/act_gact.c:180) act_gact [ 19.055539][ T311] do_one_initcall (init/main.c:1357) [ 19.055542][ T311] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 19.055547][ T311] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 19.055549][ T311] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 19.055555][ T311] do_init_module (kernel/module/main.c:3117) [ 19.055558][ T311] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.055562][ T311] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 19.055564][ T311] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 19.055568][ T311] load_module (kernel/module/main.c:3593) [ 19.055574][ T311] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 19.055579][ T311] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 19.055582][ T311] ? __ia32_sys_fsconfig (??:?) [ 19.055586][ T311] ? backing_file_read_iter (fs/backing-file.c:211) [ 19.055589][ T311] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.055593][ T311] init_module_from_file (kernel/module/main.c:3790) [ 19.055596][ T311] ? __do_sys_init_module (kernel/module/main.c:3664) [ 19.055604][ T311] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.055608][ T311] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 19.055611][ T311] idempotent_init_module (kernel/module/main.c:3802) [ 19.055613][ T311] ? init_module_from_file (kernel/module/main.c:3791) [ 19.055619][ T311] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 19.055622][ T311] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 19.055627][ T311] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 19.055629][ T311] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.055633][ T311] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.055636][ T311] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.055638][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.055640][ T311] RIP: 0033:0x7f01354d137d [ 19.055644][ T311] 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 [ 19.055646][ T311] RSP: 002b:00007fffda85cd58 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 19.055648][ T311] RAX: ffffffffffffffda RBX: 0000558746543810 RCX: 00007f01354d137d [ 19.055649][ T311] RDX: 0000000000000000 RSI: 0000558726866ffd RDI: 0000000000000000 [ 19.055650][ T311] RBP: 00007fffda85cdf0 R08: 0000000000000000 R09: 0000000000000000 [ 19.055651][ T311] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558726866ffd [ 19.055652][ T311] R13: 0000558746543960 R14: 0000000000040000 R15: 0000000000000000 | [ 25.322306][ T12] softirqs last disabled at (33048): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 25.322309][ T12] Preemption disabled at: | [ 25.322309][ T12] 0x0 | [ 25.322320][ T12] Tainted: [W]=WARN [ 25.322321][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.322323][ T12] Workqueue: netns cleanup_net [ 25.322326][ T12] Call Trace: [ 25.322328][ T12] [ 25.322330][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.322337][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 25.322341][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.322345][ 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) [ 25.322350][ 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)) [ 25.322352][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.322358][ 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) [ 25.322361][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.322365][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 25.322367][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.322374][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.322382][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.322386][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.322391][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.322395][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.322397][ 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)) [ 25.322400][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.322403][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.322407][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.322412][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.322414][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.322419][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.322422][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.322424][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.322426][ 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) [ 25.322430][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.322432][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.322435][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 25.322438][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.322439][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.322445][ T12] _printk (kernel/printk/printk.c:2504) [ 25.322449][ T12] ? snapshot_read.cold (user.c:?) [ 25.322457][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 25.322462][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 25.322465][ T12] br_device_event (net/bridge/br.c:111) [ 25.322468][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 25.322472][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 25.322478][ T12] notifier_call_chain (kernel/notifier.c:85) [ 25.322484][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 25.322487][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 25.322491][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 25.322494][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 25.322498][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 25.322501][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 25.322503][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 25.322505][ T12] ? kthread (kernel/kthread.c:436) [ 25.322506][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 25.322510][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 25.322513][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 25.322516][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.322522][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 25.322525][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 25.322528][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.322531][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 25.322535][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 25.322539][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.322542][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 25.322543][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.322546][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 25.322551][ T12] cleanup_net (net/core/net_namespace.c:706) [ 25.322554][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 25.322558][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.322560][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.322564][ T12] process_one_work (kernel/workqueue.c:3387) [ 25.322571][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 25.322574][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.322582][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 25.322590][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.322592][ T12] kthread (kernel/kthread.c:436) [ 25.322594][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 25.322597][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.322600][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 25.322603][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 25.322606][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 25.322610][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.322613][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 28.793710][ T558] softirqs last disabled at (21496): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 28.793712][ T558] Preemption disabled at: | [ 28.793712][ T558] vprintk_emit (kernel/printk/printk.c:2471) | [ 28.793721][ T558] Tainted: [W]=WARN [ 28.793722][ T558] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.793724][ T558] Call Trace: [ 28.793725][ T558] [ 28.793727][ T558] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.793733][ T558] ? vprintk_emit (kernel/printk/printk.c:2471) [ 28.793734][ T558] __might_resched.cold (kernel/sched/core.c:9234) [ 28.793739][ T558] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.793743][ 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) [ 28.793747][ 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)) [ 28.793749][ T558] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.793756][ 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) [ 28.793759][ T558] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.793763][ T558] put_chars (drivers/char/virtio_console.c:1176) [ 28.793765][ T558] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.793766][ T558] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.793770][ T558] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.793776][ T558] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.793783][ T558] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.793786][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.793788][ T558] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.793792][ T558] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.793796][ T558] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.793798][ 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)) [ 28.793801][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.793803][ T558] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.793807][ T558] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.793811][ T558] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.793813][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.793819][ T558] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.793822][ T558] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.793823][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.793825][ 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) [ 28.793829][ T558] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.793831][ T558] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.793833][ T558] vprintk_emit (kernel/printk/printk.c:2479) [ 28.793836][ T558] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.793838][ T558] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.793841][ T558] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 28.793845][ T558] _printk (kernel/printk/printk.c:2504) [ 28.793848][ T558] ? snapshot_read.cold (user.c:?) [ 28.793852][ T558] ? br_multicast_flood (??:?) [ 28.793855][ T558] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 28.793857][ T558] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 28.793858][ T558] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 28.793862][ T558] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 28.793866][ T558] br_init_port (net/bridge/br_stp_if.c:39) [ 28.793869][ T558] new_nbp (net/bridge/br_if.c:449) [ 28.793872][ T558] br_add_if (net/bridge/br_if.c:592) [ 28.793875][ T558] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 28.793879][ T558] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 28.793884][ T558] do_set_master (net/core/rtnetlink.c:3071) [ 28.793886][ T558] ? netif_change_flags (net/core/dev.c:9882) [ 28.793890][ T558] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 28.793893][ T558] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 28.793896][ T558] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 28.793898][ T558] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 28.793900][ T558] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 28.793904][ T558] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.793906][ T558] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 28.793907][ T558] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.793910][ T558] ? kasan_save_stack (mm/kasan/common.c:58) [ 28.793912][ T558] ? kasan_save_stack (mm/kasan/common.c:57) [ 28.793913][ T558] ? kasan_save_track (mm/kasan/common.c:78) [ 28.793915][ T558] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 28.793917][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.793919][ T558] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 28.793922][ T558] ? ___sys_sendmsg (net/socket.c:2758) [ 28.793926][ T558] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.793928][ T558] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 28.793930][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.793932][ T558] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.793933][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.793935][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.793936][ T558] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 28.793939][ 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) [ 28.793941][ T558] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 28.793943][ T558] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 28.793947][ T558] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 28.793948][ T558] ? nla_get_range_signed (lib/nlattr.c:270) [ 28.793953][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.793955][ T558] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 28.793967][ T558] rtnl_newlink (net/core/rtnetlink.c:4215) [ 28.793976][ T558] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 28.793979][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.793987][ T558] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.793989][ T558] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.793991][ T558] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 28.793993][ T558] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.794000][ T558] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 28.794003][ T558] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 28.794007][ T558] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 28.794008][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.794012][ T558] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.794014][ T558] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.794018][ T558] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 28.794021][ T558] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 28.794024][ T558] ? netlink_ack (./include/linux/skbuff.h:2718) [ 28.794030][ 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)) [ 28.794032][ 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)) [ 28.794037][ T558] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 28.794041][ T558] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 28.794043][ T558] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.794047][ T558] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 28.794051][ T558] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 28.794055][ T558] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.794057][ T558] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 28.794062][ T558] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 28.794065][ T558] ____sys_sendmsg (net/socket.c:2713) [ 28.794068][ T558] ? copy_msghdr_from_user (net/socket.c:2650) [ 28.794070][ T558] ? sock_write_iter (net/socket.c:1269) [ 28.794071][ T558] ? move_addr_to_kernel (net/socket.c:258) [ 28.794079][ T558] ___sys_sendmsg (net/socket.c:2767) [ 28.794082][ T558] ? copy_msghdr_from_user (net/socket.c:2619) [ 28.794097][ T558] __sys_sendmsg (net/socket.c:2799) [ 28.794100][ T558] ? __sys_sendmsg_sock (net/socket.c:2780) [ 28.794106][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.794109][ T558] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 28.794112][ T558] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 28.794115][ T558] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 28.794118][ T558] RIP: 0033:0x7fca20b2954e [ 28.794122][ 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 [ 28.794124][ T558] RSP: 002b:00007ffc92db1930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 28.794126][ T558] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fca20b2954e [ 28.794128][ T558] RDX: 0000000000000000 RSI: 00007ffc92db19e0 RDI: 0000000000000005 [ 28.794128][ T558] RBP: 00007ffc92db1940 R08: 0000000000000000 R09: 0000000000000000 [ 28.794129][ T558] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910245 [ 28.794130][ T558] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc92db20b0 | [ 36.617095][ T12] softirqs last disabled at (280178): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 36.617098][ T12] Preemption disabled at: | [ 36.617098][ T12] 0x0 | [ 36.617109][ T12] Tainted: [W]=WARN [ 36.617110][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.617112][ T12] Workqueue: netns cleanup_net [ 36.617116][ T12] Call Trace: [ 36.617117][ T12] [ 36.617120][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.617127][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 36.617131][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.617135][ 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) [ 36.617140][ 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)) [ 36.617142][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.617149][ 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) [ 36.617152][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.617156][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 36.617158][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.617166][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.617174][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.617177][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.617182][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.617187][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.617189][ 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)) [ 36.617192][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.617195][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.617200][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.617204][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.617206][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.617213][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.617216][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.617218][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.617219][ 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) [ 36.617224][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.617226][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.617229][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 36.617232][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.617233][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 36.617236][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.617238][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.617243][ T12] _printk (kernel/printk/printk.c:2504) [ 36.617247][ T12] ? snapshot_read.cold (user.c:?) [ 36.617255][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 36.617261][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 36.617264][ T12] br_device_event (net/bridge/br.c:111) [ 36.617266][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 36.617270][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 36.617277][ T12] notifier_call_chain (kernel/notifier.c:85) [ 36.617283][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 36.617286][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 36.617290][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 36.617293][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 36.617298][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 36.617300][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 36.617302][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 36.617304][ T12] ? kthread (kernel/kthread.c:436) [ 36.617306][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 36.617309][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 36.617312][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 36.617316][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 36.617322][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 36.617326][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 36.617328][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.617331][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 36.617336][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 36.617340][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 36.617343][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 36.617344][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.617348][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 36.617353][ T12] cleanup_net (net/core/net_namespace.c:706) [ 36.617356][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 36.617360][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.617362][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.617366][ T12] process_one_work (kernel/workqueue.c:3387) [ 36.617373][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 36.617377][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.617385][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 36.617393][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 36.617395][ T12] kthread (kernel/kthread.c:436) [ 36.617397][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 36.617400][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 36.617404][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 36.617407][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 36.617410][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 36.617414][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 36.617417][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 39.903341][ T757] softirqs last disabled at (23148): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 39.903343][ T757] Preemption disabled at: | [ 39.903343][ T757] vprintk_emit (kernel/printk/printk.c:2471) | [ 39.903352][ T757] Tainted: [W]=WARN [ 39.903353][ T757] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.903355][ T757] Call Trace: [ 39.903356][ T757] [ 39.903358][ T757] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.903364][ T757] ? vprintk_emit (kernel/printk/printk.c:2471) [ 39.903366][ T757] __might_resched.cold (kernel/sched/core.c:9234) [ 39.903370][ T757] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.903374][ 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) [ 39.903379][ 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)) [ 39.903381][ T757] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.903388][ 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) [ 39.903390][ T757] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.903394][ T757] put_chars (drivers/char/virtio_console.c:1176) [ 39.903397][ T757] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.903398][ T757] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.903402][ T757] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 39.903407][ T757] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.903415][ T757] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.903418][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.903420][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.903425][ T757] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.903429][ T757] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.903431][ 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)) [ 39.903434][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.903436][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.903440][ T757] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.903445][ T757] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.903447][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.903452][ T757] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.903455][ T757] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.903457][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.903459][ 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) [ 39.903463][ T757] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.903465][ T757] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.903467][ T757] vprintk_emit (kernel/printk/printk.c:2479) [ 39.903471][ T757] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.903473][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.903476][ T757] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 39.903479][ T757] _printk (kernel/printk/printk.c:2504) [ 39.903483][ T757] ? snapshot_read.cold (user.c:?) [ 39.903487][ T757] ? br_multicast_flood (??:?) [ 39.903490][ T757] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 39.903492][ T757] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 39.903493][ T757] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 39.903497][ T757] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 39.903502][ T757] br_init_port (net/bridge/br_stp_if.c:39) [ 39.903504][ T757] new_nbp (net/bridge/br_if.c:449) [ 39.903508][ T757] br_add_if (net/bridge/br_if.c:592) [ 39.903511][ T757] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 39.903515][ T757] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 39.903520][ T757] do_set_master (net/core/rtnetlink.c:3071) [ 39.903522][ T757] ? netif_change_flags (net/core/dev.c:9882) [ 39.903525][ T757] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 39.903529][ T757] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 39.903532][ T757] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 39.903534][ T757] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 39.903536][ T757] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 39.903540][ T757] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.903542][ T757] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.903544][ T757] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 39.903546][ T757] ? kasan_save_stack (mm/kasan/common.c:58) [ 39.903548][ T757] ? kasan_save_stack (mm/kasan/common.c:57) [ 39.903550][ T757] ? kasan_save_track (mm/kasan/common.c:78) [ 39.903551][ T757] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 39.903553][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.903555][ T757] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 39.903558][ T757] ? ___sys_sendmsg (net/socket.c:2758) [ 39.903562][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.903564][ T757] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 39.903567][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.903569][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.903570][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.903572][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.903573][ T757] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 39.903576][ 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) [ 39.903578][ T757] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 39.903580][ T757] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 39.903583][ T757] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 39.903585][ T757] ? nla_get_range_signed (lib/nlattr.c:270) [ 39.903590][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.903592][ T757] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 39.903598][ T757] rtnl_newlink (net/core/rtnetlink.c:4215) [ 39.903603][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 39.903605][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.903610][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.903612][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.903614][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 39.903616][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.903620][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 39.903622][ T757] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 39.903626][ T757] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 39.903627][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.903632][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.903634][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.903637][ T757] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 39.903640][ T757] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 39.903643][ T757] ? netlink_ack (./include/linux/skbuff.h:2718) [ 39.903650][ 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)) [ 39.903652][ 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)) [ 39.903657][ T757] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 39.903661][ T757] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 39.903664][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.903668][ T757] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 39.903672][ T757] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 39.903676][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.903678][ T757] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 39.903683][ T757] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 39.903686][ T757] ____sys_sendmsg (net/socket.c:2713) [ 39.903689][ T757] ? copy_msghdr_from_user (net/socket.c:2650) [ 39.903691][ T757] ? sock_write_iter (net/socket.c:1269) [ 39.903693][ T757] ? move_addr_to_kernel (net/socket.c:258) [ 39.903700][ T757] ___sys_sendmsg (net/socket.c:2767) [ 39.903703][ T757] ? copy_msghdr_from_user (net/socket.c:2619) [ 39.903720][ T757] __sys_sendmsg (net/socket.c:2799) [ 39.903723][ T757] ? __sys_sendmsg_sock (net/socket.c:2780) [ 39.903730][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.903733][ T757] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 39.903736][ T757] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 39.903739][ T757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 39.903741][ T757] RIP: 0033:0x7f5694a5c54e [ 39.903745][ 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 [ 39.903747][ T757] RSP: 002b:00007ffd42c0e830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 39.903750][ T757] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5694a5c54e [ 39.903751][ T757] RDX: 0000000000000000 RSI: 00007ffd42c0e8e0 RDI: 0000000000000005 [ 39.903752][ T757] RBP: 00007ffd42c0e840 R08: 0000000000000000 R09: 0000000000000000 [ 39.903753][ T757] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910250 [ 39.903754][ T757] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd42c0efb0 | [ 55.270145][ C2] softirqs last disabled at (2012413): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 55.270148][ C2] Preemption disabled at: | [ 55.270149][ C2] 0x0 | [ 55.270164][ C2] Tainted: [W]=WARN [ 55.270165][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 55.270168][ C2] Call Trace: [ 55.270170][ C2] [ 55.270172][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 55.270180][ C2] __might_resched.cold (kernel/sched/core.c:9234) [ 55.270184][ C2] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 55.270189][ C2] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 55.270193][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.270197][ 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)) [ 55.270201][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 55.270205][ C2] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 55.270211][ 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) [ 55.270213][ C2] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 55.270217][ C2] put_chars (drivers/char/virtio_console.c:1176) [ 55.270220][ C2] ? __send_to_port (drivers/char/virtio_console.c:654) [ 55.270223][ C2] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 55.270227][ C2] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 55.270233][ C2] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 55.270236][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.270238][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.270242][ C2] console_emit_next_record (kernel/printk/printk.c:3183) [ 55.270246][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 55.270249][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.270251][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.270253][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.270256][ C2] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 55.270259][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 55.270262][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 55.270266][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 55.270269][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.270272][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 55.270274][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.270276][ C2] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 55.270278][ 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) [ 55.270282][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 55.270284][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 55.270287][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 55.270290][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 55.270293][ C2] _printk (kernel/printk/printk.c:2504) [ 55.270297][ C2] ? snapshot_read.cold (user.c:?) [ 55.270299][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 55.270304][ C2] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 55.270307][ C2] ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723) [ 55.270309][ C2] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1)) [ 55.270313][ C2] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 55.270318][ C2] mark_lock (kernel/locking/lockdep.c:4769) [ 55.270321][ C2] mark_usage (kernel/locking/lockdep.c:4658) [ 55.270323][ C2] __lock_acquire (kernel/locking/lockdep.c:5208) [ 55.270327][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 55.270330][ C2] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 55.270334][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.270336][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.270339][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 55.270341][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 55.270344][ C2] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 55.270346][ C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 55.270348][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 55.270350][ C2] call_timer_fn (kernel/time/timer.c:1748) [ 55.270355][ C2] ? detach_if_pending (./include/linux/list.h:1159) [ 55.270358][ C2] ? debug_object_active_state (lib/debugobjects.c:1122) [ 55.270362][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 55.270365][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 55.270368][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.270370][ C2] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 55.270373][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 55.270376][ C2] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 55.270379][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 55.270384][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 55.270388][ C2] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 55.270391][ C2] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 55.270393][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 55.270397][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.270399][ C2] handle_softirqs (kernel/softirq.c:645) [ 55.270402][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 55.270405][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 55.270408][ C2] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 55.270411][ C2] irq_exit_rcu (kernel/softirq.c:784) [ 55.270413][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 55.270417][ C2] [ 55.270418][ C2] [ 55.270419][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 55.270421][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 55.270425][ C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 55.270428][ 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 [ 55.270431][ C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282 [ 55.270435][ C2] RAX: 00000000001eb4fb RBX: ff11000001c1c740 RCX: ffffffff83906247 [ 55.270437][ C2] RDX: ff11000001c1c740 RSI: ffffffff86b11027 RDI: ffffffff864949e0 [ 55.270438][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 55.270440][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3 [ 55.270441][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 55.270444][ C2] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 55.270448][ C2] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 55.270451][ C2] default_idle_call (kernel/sched/idle.c:122) [ 55.270453][ C2] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 55.270456][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 55.270458][ C2] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 55.270462][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.270465][ C2] do_idle (kernel/sched/idle.c:355) [ 55.270467][ C2] cpu_startup_entry (kernel/sched/idle.c:454) [ 55.270470][ C2] start_secondary (arch/x86/kernel/smpboot.c:312) [ 55.270472][ C2] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 55.270476][ C2] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 55.341303][ C2] | [ 55.341371][ C2] | [ 55.341371][ C2] stack backtrace: | [ 55.341547][ C2] Tainted: [W]=WARN [ 55.341549][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 55.341550][ C2] Call Trace: [ 55.341551][ C2] [ 55.341553][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 55.341559][ C2] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 55.341562][ C2] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 55.341566][ C2] mark_lock (kernel/locking/lockdep.c:4769) [ 55.341568][ C2] mark_usage (kernel/locking/lockdep.c:4658) [ 55.341570][ C2] __lock_acquire (kernel/locking/lockdep.c:5208) [ 55.341572][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 55.341574][ C2] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 55.341575][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.341578][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.341580][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 55.341581][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 55.341582][ C2] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 55.341584][ C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 55.341585][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 55.341587][ C2] call_timer_fn (kernel/time/timer.c:1748) [ 55.341589][ C2] ? detach_if_pending (./include/linux/list.h:1159) [ 55.341591][ C2] ? debug_object_active_state (lib/debugobjects.c:1122) [ 55.341594][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 55.341596][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 55.341598][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.341599][ C2] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 55.341601][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 55.341603][ C2] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 55.341605][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 55.341608][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 55.341611][ C2] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 55.341613][ C2] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 55.341615][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 55.341618][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.341619][ C2] handle_softirqs (kernel/softirq.c:645) [ 55.341621][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 55.341622][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 55.341625][ C2] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 55.341626][ C2] irq_exit_rcu (kernel/softirq.c:784) [ 55.341628][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 55.341629][ C2] [ 55.341630][ C2] [ 55.341631][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 55.341632][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 55.341634][ C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 55.341636][ 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 [ 55.341638][ C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282 [ 55.341640][ C2] RAX: 00000000001eb4fb RBX: ff11000001c1c740 RCX: ffffffff83906247 [ 55.341641][ C2] RDX: ff11000001c1c740 RSI: ffffffff86b11027 RDI: ffffffff864949e0 [ 55.341642][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 55.341643][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3 [ 55.341644][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 55.341646][ C2] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 55.341648][ C2] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 55.341650][ C2] default_idle_call (kernel/sched/idle.c:122) [ 55.341651][ C2] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 55.341653][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 55.341654][ C2] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 55.341656][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.341658][ C2] do_idle (kernel/sched/idle.c:355) [ 55.341659][ C2] cpu_startup_entry (kernel/sched/idle.c:454) [ 55.341661][ C2] start_secondary (arch/x86/kernel/smpboot.c:312) [ 55.341662][ C2] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 55.341664][ C2] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 59.992447][ T12] softirqs last disabled at (470914): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 59.992449][ T12] Preemption disabled at: | [ 59.992450][ T12] 0x0 | [ 59.992460][ T12] Tainted: [W]=WARN [ 59.992461][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 59.992463][ T12] Workqueue: netns cleanup_net [ 59.992468][ T12] Call Trace: [ 59.992470][ T12] [ 59.992471][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 59.992477][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 59.992481][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 59.992486][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.992488][ 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)) [ 59.992491][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 59.992494][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 59.992499][ 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) [ 59.992501][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 59.992503][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 59.992505][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 59.992506][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 59.992509][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 59.992511][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 59.992516][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 59.992518][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 59.992519][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.992522][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 59.992525][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 59.992527][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.992528][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.992529][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.992530][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.992532][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 59.992534][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 59.992536][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 59.992539][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 59.992541][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.992542][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 59.992544][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.992545][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 59.992547][ 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) [ 59.992548][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 59.992550][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 59.992552][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 59.992554][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 59.992555][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 59.992557][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.992558][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 59.992561][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 59.992563][ T12] _printk (kernel/printk/printk.c:2504) [ 59.992566][ T12] ? snapshot_read.cold (user.c:?) [ 59.992568][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 59.992571][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 59.992575][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 59.992577][ T12] br_device_event (net/bridge/br.c:111) [ 59.992579][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 59.992581][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 59.992583][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 59.992586][ T12] notifier_call_chain (kernel/notifier.c:85) [ 59.992589][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 59.992591][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 59.992594][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.992595][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 59.992597][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 59.992600][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 59.992602][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 59.992603][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 59.992606][ T12] ? kthread (kernel/kthread.c:436) [ 59.992608][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 59.992611][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 59.992613][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 59.992615][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.992617][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 59.992619][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 59.992620][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 59.992622][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.992624][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 59.992625][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 59.992627][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 59.992630][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 59.992632][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 59.992634][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 59.992638][ T12] cleanup_net (net/core/net_namespace.c:706) [ 59.992640][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 59.992641][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 59.992644][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.992646][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.992648][ T12] process_one_work (kernel/workqueue.c:3387) [ 59.992651][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 59.992653][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 59.992655][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 59.992657][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 59.992660][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 59.992662][ T12] kthread (kernel/kthread.c:436) [ 59.992663][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 59.992665][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 59.992667][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 59.992668][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 59.992670][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 59.992673][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 59.992675][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 62.262433][ T1034] softirqs last disabled at (0): 0x0 | [ 62.262435][ T1034] Preemption disabled at: | [ 62.262436][ T1034] vprintk_emit (kernel/printk/printk.c:2471) | [ 62.262446][ T1034] Tainted: [W]=WARN [ 62.262447][ T1034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 62.262449][ T1034] Call Trace: [ 62.262451][ T1034] [ 62.262452][ T1034] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 62.262458][ T1034] ? vprintk_emit (kernel/printk/printk.c:2471) [ 62.262459][ T1034] __might_resched.cold (kernel/sched/core.c:9234) [ 62.262463][ T1034] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 62.262466][ T1034] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 62.262470][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.262472][ T1034] __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)) [ 62.262475][ T1034] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 62.262478][ T1034] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.262483][ T1034] ? 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) [ 62.262485][ T1034] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.262487][ T1034] put_chars (drivers/char/virtio_console.c:1176) [ 62.262489][ T1034] ? __send_to_port (drivers/char/virtio_console.c:654) [ 62.262491][ T1034] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 62.262494][ T1034] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 62.262499][ T1034] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 62.262501][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.262502][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.262505][ T1034] console_emit_next_record (kernel/printk/printk.c:3183) [ 62.262507][ T1034] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 62.262509][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.262511][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.262512][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.262513][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.262515][ T1034] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 62.262517][ T1034] console_flush_one_record (kernel/printk/printk.c:3268) [ 62.262519][ T1034] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 62.262522][ T1034] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 62.262524][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.262525][ T1034] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 62.262527][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.262528][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 62.262530][ T1034] ? 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) [ 62.262531][ T1034] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 62.262533][ T1034] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 62.262535][ T1034] ? vprintk_emit (kernel/printk/printk.c:2478) [ 62.262536][ T1034] vprintk_emit (kernel/printk/printk.c:2479) [ 62.262538][ T1034] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 62.262539][ T1034] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 62.262541][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 62.262544][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.262545][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.262547][ T1034] _printk (kernel/printk/printk.c:2504) [ 62.262550][ T1034] ? snapshot_read.cold (user.c:?) [ 62.262552][ T1034] ? br_multicast_flood (??:?) [ 62.262556][ T1034] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 62.262559][ T1034] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 62.262560][ T1034] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 62.262562][ T1034] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 62.262564][ T1034] br_init_port (net/bridge/br_stp_if.c:39) [ 62.262566][ T1034] new_nbp (net/bridge/br_if.c:449) [ 62.262568][ T1034] br_add_if (net/bridge/br_if.c:592) [ 62.262570][ T1034] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 62.262574][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 62.262577][ T1034] do_set_master (net/core/rtnetlink.c:3071) [ 62.262578][ T1034] ? netif_change_flags (net/core/dev.c:9882) [ 62.262580][ T1034] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 62.262582][ T1034] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 62.262584][ T1034] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 62.262585][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.262586][ T1034] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 62.262589][ T1034] ? kasan_save_stack (mm/kasan/common.c:58) [ 62.262591][ T1034] ? kasan_save_stack (mm/kasan/common.c:57) [ 62.262592][ T1034] ? kasan_save_track (mm/kasan/common.c:78) [ 62.262593][ T1034] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 62.262595][ T1034] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 62.262596][ T1034] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 62.262597][ T1034] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 62.262598][ T1034] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 62.262601][ T1034] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 62.262602][ T1034] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 62.262604][ T1034] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 62.262607][ T1034] ? ____sys_sendmsg (net/socket.c:2713) [ 62.262608][ T1034] ? ___sys_sendmsg (net/socket.c:2767) [ 62.262609][ T1034] ? __sys_sendmsg (net/socket.c:2799) [ 62.262611][ T1034] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 62.262614][ T1034] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 62.262617][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.262618][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.262620][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.262621][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.262622][ T1034] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 62.262623][ T1034] ? __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) [ 62.262625][ T1034] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 62.262626][ T1034] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 62.262628][ T1034] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 62.262629][ T1034] ? nla_get_range_signed (lib/nlattr.c:270) [ 62.262632][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.262633][ T1034] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 62.262636][ T1034] rtnl_newlink (net/core/rtnetlink.c:4215) [ 62.262637][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.262639][ T1034] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.262640][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.262641][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.262643][ T1034] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 62.262645][ T1034] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 62.262647][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 62.262648][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.262649][ T1034] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 62.262653][ T1034] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 62.262655][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.262656][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.262657][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.262659][ T1034] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.262660][ T1034] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 62.262662][ T1034] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 62.262663][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 62.262665][ T1034] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 62.262667][ T1034] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 62.262669][ T1034] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 62.262670][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 62.262672][ T1034] ? netlink_ack (./include/linux/skbuff.h:2718) [ 62.262673][ T1034] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 62.262676][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.262678][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 62.262680][ T1034] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 62.262682][ T1034] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 62.262684][ T1034] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 62.262686][ T1034] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 62.262688][ T1034] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 62.262689][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 62.262691][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.262693][ T1034] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 62.262696][ T1034] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 62.262698][ T1034] ____sys_sendmsg (net/socket.c:2713) [ 62.262699][ T1034] ? copy_msghdr_from_user (net/socket.c:2650) [ 62.262701][ T1034] ? sock_write_iter (net/socket.c:1269) [ 62.262703][ T1034] ? move_addr_to_kernel (net/socket.c:258) [ 62.262704][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 62.262707][ T1034] ___sys_sendmsg (net/socket.c:2767) [ 62.262709][ T1034] ? copy_msghdr_from_user (net/socket.c:2619) [ 62.262714][ T1034] __sys_sendmsg (net/socket.c:2799) [ 62.262716][ T1034] ? __sys_sendmsg_sock (net/socket.c:2780) [ 62.262719][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.262720][ T1034] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 62.262722][ T1034] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 62.262724][ T1034] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 62.262725][ T1034] RIP: 0033:0x7fa3e77bb54e [ 62.262727][ T1034] 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 [ 62.262729][ T1034] RSP: 002b:00007ffe84363780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 62.262733][ T1034] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa3e77bb54e [ 62.262734][ T1034] RDX: 0000000000000000 RSI: 00007ffe84363830 RDI: 0000000000000005 [ 62.262735][ T1034] RBP: 00007ffe84363790 R08: 0000000000000000 R09: 0000000000000000 [ 62.262736][ T1034] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910266 [ 62.262737][ T1034] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe84363f00 | [ 69.362223][ T12] softirqs last disabled at (470914): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 69.362225][ T12] Preemption disabled at: | [ 69.362226][ T12] 0x0 | [ 69.362235][ T12] Tainted: [W]=WARN [ 69.362236][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 69.362238][ T12] Workqueue: netns cleanup_net [ 69.362243][ T12] Call Trace: [ 69.362245][ T12] [ 69.362247][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 69.362252][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 69.362256][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 69.362260][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.362263][ 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)) [ 69.362266][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 69.362269][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 69.362273][ 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) [ 69.362275][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 69.362277][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 69.362279][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 69.362280][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 69.362283][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 69.362286][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 69.362290][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 69.362292][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 69.362294][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.362296][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 69.362299][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 69.362301][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.362302][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.362304][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 69.362306][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 69.362308][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 69.362311][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 69.362313][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.362315][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 69.362316][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.362317][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 69.362319][ 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) [ 69.362320][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 69.362321][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 69.362324][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 69.362325][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 69.362327][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 69.362328][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.362329][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 69.362332][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 69.362334][ T12] _printk (kernel/printk/printk.c:2504) [ 69.362337][ T12] ? snapshot_read.cold (user.c:?) [ 69.362339][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 69.362342][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 69.362345][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 69.362347][ T12] br_device_event (net/bridge/br.c:111) [ 69.362349][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 69.362350][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 69.362352][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 69.362355][ T12] notifier_call_chain (kernel/notifier.c:85) [ 69.362358][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 69.362361][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 69.362363][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.362365][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 69.362366][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 69.362369][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 69.362370][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 69.362372][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 69.362375][ T12] ? kthread (kernel/kthread.c:436) [ 69.362377][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 69.362379][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 69.362382][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 69.362384][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.362385][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 69.362387][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 69.362388][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 69.362389][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.362391][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 69.362392][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 69.362394][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 69.362397][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 69.362399][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 69.362401][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 69.362404][ T12] cleanup_net (net/core/net_namespace.c:706) [ 69.362406][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 69.362408][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.362410][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.362411][ T12] process_one_work (kernel/workqueue.c:3387) [ 69.362414][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 69.362416][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 69.362418][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 69.362420][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 69.362423][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 69.362425][ T12] kthread (kernel/kthread.c:436) [ 69.362427][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 69.362428][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 69.362430][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 69.362432][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 69.362433][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 69.362436][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 69.362438][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 71.525975][ T1247] softirqs last disabled at (0): 0x0 | [ 71.525977][ T1247] Preemption disabled at: | [ 71.525977][ T1247] vprintk_emit (kernel/printk/printk.c:2471) | [ 71.525987][ T1247] Tainted: [W]=WARN [ 71.525988][ T1247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 71.525990][ T1247] Call Trace: [ 71.525992][ T1247] [ 71.525993][ T1247] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 71.526001][ T1247] ? vprintk_emit (kernel/printk/printk.c:2471) [ 71.526004][ T1247] __might_resched.cold (kernel/sched/core.c:9234) [ 71.526008][ T1247] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 71.526012][ T1247] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 71.526015][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.526018][ T1247] __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)) [ 71.526020][ T1247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 71.526023][ T1247] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 71.526028][ T1247] ? 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) [ 71.526030][ T1247] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 71.526033][ T1247] put_chars (drivers/char/virtio_console.c:1176) [ 71.526035][ T1247] ? __send_to_port (drivers/char/virtio_console.c:654) [ 71.526036][ T1247] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 71.526039][ T1247] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 71.526043][ T1247] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 71.526045][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.526046][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.526049][ T1247] console_emit_next_record (kernel/printk/printk.c:3183) [ 71.526053][ T1247] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 71.526056][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.526057][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.526058][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.526059][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.526061][ T1247] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 71.526063][ T1247] console_flush_one_record (kernel/printk/printk.c:3268) [ 71.526065][ T1247] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 71.526068][ T1247] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 71.526070][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.526071][ T1247] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 71.526073][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.526074][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 71.526076][ T1247] ? 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) [ 71.526077][ T1247] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 71.526078][ T1247] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 71.526081][ T1247] ? vprintk_emit (kernel/printk/printk.c:2478) [ 71.526082][ T1247] vprintk_emit (kernel/printk/printk.c:2479) [ 71.526084][ T1247] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 71.526085][ T1247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 71.526086][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 71.526089][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.526090][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.526092][ T1247] _printk (kernel/printk/printk.c:2504) [ 71.526095][ T1247] ? snapshot_read.cold (user.c:?) [ 71.526098][ T1247] ? br_multicast_flood (??:?) [ 71.526102][ T1247] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 71.526105][ T1247] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 71.526106][ T1247] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 71.526114][ T1247] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 71.526117][ T1247] br_init_port (net/bridge/br_stp_if.c:39) [ 71.526118][ T1247] new_nbp (net/bridge/br_if.c:449) [ 71.526121][ T1247] br_add_if (net/bridge/br_if.c:592) [ 71.526123][ T1247] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 71.526126][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 71.526129][ T1247] do_set_master (net/core/rtnetlink.c:3071) [ 71.526130][ T1247] ? netif_change_flags (net/core/dev.c:9882) [ 71.526132][ T1247] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 71.526134][ T1247] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 71.526135][ T1247] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 71.526136][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.526137][ T1247] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 71.526141][ T1247] ? kasan_save_stack (mm/kasan/common.c:58) [ 71.526143][ T1247] ? kasan_save_stack (mm/kasan/common.c:57) [ 71.526144][ T1247] ? kasan_save_track (mm/kasan/common.c:78) [ 71.526145][ T1247] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 71.526146][ T1247] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 71.526147][ T1247] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 71.526148][ T1247] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 71.526149][ T1247] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 71.526153][ T1247] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 71.526155][ T1247] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 71.526157][ T1247] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 71.526160][ T1247] ? ____sys_sendmsg (net/socket.c:2713) [ 71.526161][ T1247] ? ___sys_sendmsg (net/socket.c:2767) [ 71.526163][ T1247] ? __sys_sendmsg (net/socket.c:2799) [ 71.526164][ T1247] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 71.526168][ T1247] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 71.526170][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.526171][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.526173][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.526174][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.526175][ T1247] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 71.526176][ T1247] ? __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) [ 71.526178][ T1247] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 71.526179][ T1247] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 71.526181][ T1247] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 71.526182][ T1247] ? nla_get_range_signed (lib/nlattr.c:270) [ 71.526185][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.526186][ T1247] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 71.526188][ T1247] rtnl_newlink (net/core/rtnetlink.c:4215) [ 71.526190][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.526191][ T1247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 71.526192][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.526194][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.526195][ T1247] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 71.526199][ T1247] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 71.526201][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 71.526203][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.526205][ T1247] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 71.526208][ T1247] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 71.526210][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.526211][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.526213][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.526214][ T1247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 71.526215][ T1247] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 71.526217][ T1247] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 71.526218][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 71.526220][ T1247] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 71.526222][ T1247] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 71.526224][ T1247] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 71.526225][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 71.526226][ T1247] ? netlink_ack (./include/linux/skbuff.h:2718) [ 71.526228][ T1247] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 71.526231][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.526232][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 71.526234][ T1247] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 71.526236][ T1247] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 71.526238][ T1247] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 71.526240][ T1247] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 71.526242][ T1247] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 71.526243][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 71.526246][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.526248][ T1247] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 71.526252][ T1247] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 71.526254][ T1247] ____sys_sendmsg (net/socket.c:2713) [ 71.526256][ T1247] ? copy_msghdr_from_user (net/socket.c:2650) [ 71.526258][ T1247] ? sock_write_iter (net/socket.c:1269) [ 71.526259][ T1247] ? move_addr_to_kernel (net/socket.c:258) [ 71.526260][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 71.526263][ T1247] ___sys_sendmsg (net/socket.c:2767) [ 71.526265][ T1247] ? copy_msghdr_from_user (net/socket.c:2619) [ 71.526270][ T1247] __sys_sendmsg (net/socket.c:2799) [ 71.526272][ T1247] ? __sys_sendmsg_sock (net/socket.c:2780) [ 71.526274][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.526276][ T1247] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 71.526278][ T1247] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 71.526279][ T1247] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 71.526281][ T1247] RIP: 0033:0x7f7444f9954e [ 71.526283][ T1247] 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 [ 71.526284][ T1247] RSP: 002b:00007fff2d80e5f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 71.526288][ T1247] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7444f9954e [ 71.526289][ T1247] RDX: 0000000000000000 RSI: 00007fff2d80e6a0 RDI: 0000000000000005 [ 71.526290][ T1247] RBP: 00007fff2d80e600 R08: 0000000000000000 R09: 0000000000000000 [ 71.526291][ T1247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91026f [ 71.526293][ T1247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2d80ed70 | [ 80.192023][ T12] softirqs last disabled at (470914): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 80.192025][ T12] Preemption disabled at: | [ 80.192025][ T12] 0x0 | [ 80.192035][ T12] Tainted: [W]=WARN [ 80.192036][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 80.192038][ T12] Workqueue: netns cleanup_net [ 80.192044][ T12] Call Trace: [ 80.192046][ T12] [ 80.192047][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 80.192054][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 80.192058][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 80.192062][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.192065][ 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)) [ 80.192068][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 80.192071][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 80.192076][ 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) [ 80.192078][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 80.192080][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 80.192082][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 80.192083][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 80.192086][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 80.192088][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 80.192093][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 80.192095][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 80.192096][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.192099][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 80.192102][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 80.192104][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.192105][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.192106][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.192107][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.192109][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 80.192110][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 80.192113][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 80.192116][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 80.192117][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.192119][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 80.192121][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.192122][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 80.192123][ 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) [ 80.192125][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 80.192126][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 80.192128][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 80.192130][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 80.192132][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 80.192133][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.192134][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 80.192137][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 80.192145][ T12] _printk (kernel/printk/printk.c:2504) [ 80.192148][ T12] ? snapshot_read.cold (user.c:?) [ 80.192150][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 80.192153][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 80.192157][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 80.192159][ T12] br_device_event (net/bridge/br.c:111) [ 80.192162][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 80.192163][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 80.192165][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 80.192168][ T12] notifier_call_chain (kernel/notifier.c:85) [ 80.192171][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 80.192174][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 80.192176][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.192178][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 80.192180][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 80.192182][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 80.192184][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 80.192185][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 80.192188][ T12] ? kthread (kernel/kthread.c:436) [ 80.192190][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 80.192193][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 80.192195][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 80.192196][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.192198][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 80.192200][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 80.192201][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 80.192202][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.192204][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 80.192205][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 80.192207][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 80.192210][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 80.192212][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 80.192214][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 80.192217][ T12] cleanup_net (net/core/net_namespace.c:706) [ 80.192219][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 80.192220][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 80.192223][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.192224][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.192226][ T12] process_one_work (kernel/workqueue.c:3387) [ 80.192229][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 80.192231][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 80.192233][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 80.192235][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 80.192238][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 80.192240][ T12] kthread (kernel/kthread.c:436) [ 80.192241][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 80.192243][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 80.192245][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 80.192246][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 80.192248][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 80.192251][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 80.192253][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 82.213431][ T1516] softirqs last disabled at (0): 0x0 | [ 82.213433][ T1516] Preemption disabled at: | [ 82.213434][ T1516] vprintk_emit (kernel/printk/printk.c:2471) | [ 82.213443][ T1516] Tainted: [W]=WARN [ 82.213444][ T1516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 82.213446][ T1516] Call Trace: [ 82.213447][ T1516] [ 82.213448][ T1516] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 82.213454][ T1516] ? vprintk_emit (kernel/printk/printk.c:2471) [ 82.213455][ T1516] __might_resched.cold (kernel/sched/core.c:9234) [ 82.213459][ T1516] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 82.213462][ T1516] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 82.213466][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.213469][ T1516] __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)) [ 82.213471][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 82.213474][ T1516] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.213479][ T1516] ? 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) [ 82.213481][ T1516] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.213484][ T1516] put_chars (drivers/char/virtio_console.c:1176) [ 82.213485][ T1516] ? __send_to_port (drivers/char/virtio_console.c:654) [ 82.213487][ T1516] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 82.213490][ T1516] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 82.213494][ T1516] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 82.213496][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.213497][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.213500][ T1516] console_emit_next_record (kernel/printk/printk.c:3183) [ 82.213503][ T1516] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 82.213505][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.213506][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.213506][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.213507][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.213509][ T1516] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 82.213511][ T1516] console_flush_one_record (kernel/printk/printk.c:3268) [ 82.213514][ T1516] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 82.213516][ T1516] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 82.213518][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.213520][ T1516] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 82.213522][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.213522][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 82.213524][ T1516] ? 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) [ 82.213525][ T1516] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 82.213527][ T1516] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 82.213529][ T1516] ? vprintk_emit (kernel/printk/printk.c:2478) [ 82.213530][ T1516] vprintk_emit (kernel/printk/printk.c:2479) [ 82.213532][ T1516] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 82.213533][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 82.213535][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 82.213538][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.213539][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.213541][ T1516] _printk (kernel/printk/printk.c:2504) [ 82.213544][ T1516] ? snapshot_read.cold (user.c:?) [ 82.213546][ T1516] ? br_multicast_flood (??:?) [ 82.213549][ T1516] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 82.213552][ T1516] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 82.213553][ T1516] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 82.213555][ T1516] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 82.213558][ T1516] br_init_port (net/bridge/br_stp_if.c:39) [ 82.213560][ T1516] new_nbp (net/bridge/br_if.c:449) [ 82.213562][ T1516] br_add_if (net/bridge/br_if.c:592) [ 82.213564][ T1516] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 82.213568][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 82.213571][ T1516] do_set_master (net/core/rtnetlink.c:3071) [ 82.213572][ T1516] ? netif_change_flags (net/core/dev.c:9882) [ 82.213574][ T1516] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 82.213576][ T1516] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 82.213577][ T1516] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 82.213578][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.213580][ T1516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 82.213583][ T1516] ? kasan_save_stack (mm/kasan/common.c:58) [ 82.213585][ T1516] ? kasan_save_stack (mm/kasan/common.c:57) [ 82.213586][ T1516] ? kasan_save_track (mm/kasan/common.c:78) [ 82.213587][ T1516] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 82.213588][ T1516] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 82.213589][ T1516] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 82.213590][ T1516] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 82.213591][ T1516] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 82.213594][ T1516] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 82.213596][ T1516] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 82.213597][ T1516] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 82.213600][ T1516] ? ____sys_sendmsg (net/socket.c:2713) [ 82.213601][ T1516] ? ___sys_sendmsg (net/socket.c:2767) [ 82.213602][ T1516] ? __sys_sendmsg (net/socket.c:2799) [ 82.213604][ T1516] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 82.213608][ T1516] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 82.213610][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.213611][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.213613][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.213614][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.213615][ T1516] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 82.213616][ T1516] ? __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) [ 82.213618][ T1516] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 82.213619][ T1516] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 82.213620][ T1516] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 82.213621][ T1516] ? nla_get_range_signed (lib/nlattr.c:270) [ 82.213625][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.213626][ T1516] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 82.213628][ T1516] rtnl_newlink (net/core/rtnetlink.c:4215) [ 82.213630][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.213631][ T1516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 82.213633][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.213634][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.213635][ T1516] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 82.213638][ T1516] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 82.213639][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 82.213641][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.213642][ T1516] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 82.213645][ T1516] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 82.213647][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.213648][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.213650][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.213651][ T1516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 82.213652][ T1516] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 82.213654][ T1516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 82.213655][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 82.213656][ T1516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 82.213659][ T1516] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 82.213661][ T1516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 82.213662][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 82.213663][ T1516] ? netlink_ack (./include/linux/skbuff.h:2718) [ 82.213665][ T1516] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 82.213668][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.213669][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 82.213671][ T1516] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 82.213673][ T1516] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 82.213675][ T1516] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 82.213677][ T1516] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 82.213679][ T1516] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 82.213681][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 82.213682][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.213684][ T1516] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 82.213687][ T1516] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 82.213689][ T1516] ____sys_sendmsg (net/socket.c:2713) [ 82.213691][ T1516] ? copy_msghdr_from_user (net/socket.c:2650) [ 82.213692][ T1516] ? sock_write_iter (net/socket.c:1269) [ 82.213694][ T1516] ? move_addr_to_kernel (net/socket.c:258) [ 82.213695][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 82.213698][ T1516] ___sys_sendmsg (net/socket.c:2767) [ 82.213700][ T1516] ? copy_msghdr_from_user (net/socket.c:2619) [ 82.213705][ T1516] __sys_sendmsg (net/socket.c:2799) [ 82.213707][ T1516] ? __sys_sendmsg_sock (net/socket.c:2780) [ 82.213709][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.213711][ T1516] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 82.213713][ T1516] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 82.213715][ T1516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 82.213716][ T1516] RIP: 0033:0x7f1cc99cd54e [ 82.213718][ T1516] 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 [ 82.213720][ T1516] RSP: 002b:00007ffd10771600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 82.213724][ T1516] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1cc99cd54e [ 82.213725][ T1516] RDX: 0000000000000000 RSI: 00007ffd107716b0 RDI: 0000000000000005 [ 82.213726][ T1516] RBP: 00007ffd10771610 R08: 0000000000000000 R09: 0000000000000000 [ 82.213727][ T1516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91027a [ 82.213728][ T1516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd10771d80 | [ 90.830460][ T12] softirqs last disabled at (470914): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 90.830463][ T12] Preemption disabled at: | [ 90.830463][ T12] 0x0 | [ 90.830473][ T12] Tainted: [W]=WARN [ 90.830474][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 90.830476][ T12] Workqueue: netns cleanup_net [ 90.830482][ T12] Call Trace: [ 90.830483][ T12] [ 90.830485][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 90.830491][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 90.830495][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 90.830499][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.830502][ 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)) [ 90.830505][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 90.830508][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 90.830513][ 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) [ 90.830514][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 90.830517][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 90.830519][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 90.830520][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 90.830523][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 90.830525][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 90.830530][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 90.830532][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 90.830533][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.830536][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 90.830539][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 90.830541][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.830542][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.830543][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.830544][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.830546][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 90.830548][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 90.830550][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 90.830553][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 90.830555][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.830557][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 90.830558][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.830559][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 90.830561][ 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) [ 90.830562][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 90.830564][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 90.830566][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 90.830568][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 90.830569][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 90.830570][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.830571][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 90.830575][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 90.830576][ T12] _printk (kernel/printk/printk.c:2504) [ 90.830579][ T12] ? snapshot_read.cold (user.c:?) [ 90.830582][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 90.830585][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 90.830589][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 90.830591][ T12] br_device_event (net/bridge/br.c:111) [ 90.830593][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 90.830595][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 90.830597][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 90.830600][ T12] notifier_call_chain (kernel/notifier.c:85) [ 90.830603][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 90.830606][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 90.830608][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.830609][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 90.830611][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 90.830614][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 90.830616][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 90.830617][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 90.830620][ T12] ? kthread (kernel/kthread.c:436) [ 90.830622][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 90.830625][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 90.830627][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 90.830628][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.830630][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 90.830632][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 90.830633][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 90.830634][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.830636][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 90.830638][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 90.830640][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 90.830642][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 90.830644][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 90.830646][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 90.830649][ T12] cleanup_net (net/core/net_namespace.c:706) [ 90.830651][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 90.830653][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.830655][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.830656][ T12] process_one_work (kernel/workqueue.c:3387) [ 90.830659][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 90.830661][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 90.830664][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 90.830666][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 90.830669][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 90.830671][ T12] kthread (kernel/kthread.c:436) [ 90.830672][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 90.830674][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 90.830676][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 90.830677][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 90.830679][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 90.830682][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 90.830684][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 92.959072][ T1785] softirqs last disabled at (0): 0x0 | [ 92.959073][ T1785] Preemption disabled at: | [ 92.959074][ T1785] vprintk_emit (kernel/printk/printk.c:2471) | [ 92.959084][ T1785] Tainted: [W]=WARN [ 92.959085][ T1785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 92.959086][ T1785] Call Trace: [ 92.959088][ T1785] [ 92.959089][ T1785] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 92.959095][ T1785] ? vprintk_emit (kernel/printk/printk.c:2471) [ 92.959096][ T1785] __might_resched.cold (kernel/sched/core.c:9234) [ 92.959100][ T1785] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 92.959103][ T1785] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 92.959106][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.959109][ T1785] __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)) [ 92.959112][ T1785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 92.959115][ T1785] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 92.959120][ T1785] ? 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) [ 92.959121][ T1785] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 92.959124][ T1785] put_chars (drivers/char/virtio_console.c:1176) [ 92.959126][ T1785] ? __send_to_port (drivers/char/virtio_console.c:654) [ 92.959127][ T1785] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 92.959130][ T1785] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 92.959134][ T1785] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 92.959136][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.959137][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.959140][ T1785] console_emit_next_record (kernel/printk/printk.c:3183) [ 92.959142][ T1785] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 92.959144][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.959145][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.959146][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.959147][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.959149][ T1785] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 92.959151][ T1785] console_flush_one_record (kernel/printk/printk.c:3268) [ 92.959153][ T1785] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 92.959156][ T1785] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 92.959158][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.959159][ T1785] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 92.959161][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.959162][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 92.959163][ T1785] ? 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) [ 92.959165][ T1785] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 92.959166][ T1785] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 92.959168][ T1785] ? vprintk_emit (kernel/printk/printk.c:2478) [ 92.959169][ T1785] vprintk_emit (kernel/printk/printk.c:2479) [ 92.959171][ T1785] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 92.959172][ T1785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 92.959174][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 92.959177][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.959178][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.959180][ T1785] _printk (kernel/printk/printk.c:2504) [ 92.959188][ T1785] ? snapshot_read.cold (user.c:?) [ 92.959190][ T1785] ? br_multicast_flood (??:?) [ 92.959194][ T1785] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 92.959196][ T1785] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 92.959198][ T1785] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 92.959199][ T1785] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 92.959202][ T1785] br_init_port (net/bridge/br_stp_if.c:39) [ 92.959203][ T1785] new_nbp (net/bridge/br_if.c:449) [ 92.959206][ T1785] br_add_if (net/bridge/br_if.c:592) [ 92.959207][ T1785] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 92.959211][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 92.959214][ T1785] do_set_master (net/core/rtnetlink.c:3071) [ 92.959215][ T1785] ? netif_change_flags (net/core/dev.c:9882) [ 92.959217][ T1785] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 92.959219][ T1785] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 92.959220][ T1785] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 92.959221][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.959223][ T1785] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 92.959226][ T1785] ? kasan_save_stack (mm/kasan/common.c:58) [ 92.959228][ T1785] ? kasan_save_stack (mm/kasan/common.c:57) [ 92.959229][ T1785] ? kasan_save_track (mm/kasan/common.c:78) [ 92.959230][ T1785] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 92.959231][ T1785] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 92.959232][ T1785] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 92.959233][ T1785] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 92.959234][ T1785] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 92.959237][ T1785] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 92.959239][ T1785] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 92.959240][ T1785] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 92.959243][ T1785] ? ____sys_sendmsg (net/socket.c:2713) [ 92.959244][ T1785] ? ___sys_sendmsg (net/socket.c:2767) [ 92.959246][ T1785] ? __sys_sendmsg (net/socket.c:2799) [ 92.959247][ T1785] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 92.959251][ T1785] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 92.959253][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.959254][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.959255][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.959256][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.959257][ T1785] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 92.959259][ T1785] ? __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) [ 92.959261][ T1785] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 92.959262][ T1785] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 92.959263][ T1785] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 92.959264][ T1785] ? nla_get_range_signed (lib/nlattr.c:270) [ 92.959268][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.959269][ T1785] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 92.959271][ T1785] rtnl_newlink (net/core/rtnetlink.c:4215) [ 92.959273][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.959274][ T1785] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 92.959275][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.959276][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.959278][ T1785] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 92.959280][ T1785] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 92.959282][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 92.959283][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.959284][ T1785] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 92.959287][ T1785] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 92.959289][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.959290][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.959292][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.959293][ T1785] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 92.959294][ T1785] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 92.959296][ T1785] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 92.959297][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 92.959299][ T1785] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 92.959301][ T1785] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 92.959302][ T1785] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 92.959304][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 92.959305][ T1785] ? netlink_ack (./include/linux/skbuff.h:2718) [ 92.959307][ T1785] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 92.959310][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.959311][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 92.959313][ T1785] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 92.959315][ T1785] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 92.959317][ T1785] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 92.959319][ T1785] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 92.959321][ T1785] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 92.959322][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 92.959324][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.959325][ T1785] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 92.959328][ T1785] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 92.959330][ T1785] ____sys_sendmsg (net/socket.c:2713) [ 92.959332][ T1785] ? copy_msghdr_from_user (net/socket.c:2650) [ 92.959333][ T1785] ? sock_write_iter (net/socket.c:1269) [ 92.959335][ T1785] ? move_addr_to_kernel (net/socket.c:258) [ 92.959336][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 92.959339][ T1785] ___sys_sendmsg (net/socket.c:2767) [ 92.959340][ T1785] ? copy_msghdr_from_user (net/socket.c:2619) [ 92.959345][ T1785] __sys_sendmsg (net/socket.c:2799) [ 92.959347][ T1785] ? __sys_sendmsg_sock (net/socket.c:2780) [ 92.959350][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.959351][ T1785] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 92.959353][ T1785] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 92.959355][ T1785] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 92.959356][ T1785] RIP: 0033:0x7f284b58054e [ 92.959358][ T1785] 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 [ 92.959360][ T1785] RSP: 002b:00007ffccf5a90d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 92.959363][ T1785] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f284b58054e [ 92.959365][ T1785] RDX: 0000000000000000 RSI: 00007ffccf5a9180 RDI: 0000000000000005 [ 92.959365][ T1785] RBP: 00007ffccf5a90e0 R08: 0000000000000000 R09: 0000000000000000 [ 92.959366][ T1785] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910285 [ 92.959367][ T1785] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffccf5a9850 | [ 99.974098][ T12] softirqs last disabled at (470914): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 99.974100][ T12] Preemption disabled at: | [ 99.974100][ T12] 0x0 | [ 99.974110][ T12] Tainted: [W]=WARN [ 99.974111][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 99.974113][ T12] Workqueue: netns cleanup_net [ 99.974119][ T12] Call Trace: [ 99.974121][ T12] [ 99.974122][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 99.974129][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 99.974132][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 99.974136][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.974139][ 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)) [ 99.974142][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 99.974145][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 99.974150][ 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) [ 99.974151][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 99.974154][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 99.974156][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 99.974157][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 99.974160][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 99.974162][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 99.974167][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 99.974169][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 99.974170][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.974173][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 99.974176][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 99.974178][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.974179][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.974180][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.974181][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.974183][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 99.974185][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 99.974187][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 99.974190][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 99.974192][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.974193][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 99.974195][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.974196][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 99.974198][ 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) [ 99.974199][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 99.974201][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 99.974203][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 99.974204][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 99.974206][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 99.974210][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.974212][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 99.974215][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 99.974217][ T12] _printk (kernel/printk/printk.c:2504) [ 99.974219][ T12] ? snapshot_read.cold (user.c:?) [ 99.974222][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 99.974225][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 99.974229][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 99.974231][ T12] br_device_event (net/bridge/br.c:111) [ 99.974233][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 99.974235][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 99.974237][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 99.974239][ T12] notifier_call_chain (kernel/notifier.c:85) [ 99.974243][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 99.974245][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 99.974248][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.974249][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 99.974251][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 99.974253][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 99.974255][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 99.974257][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 99.974260][ T12] ? kthread (kernel/kthread.c:436) [ 99.974262][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 99.974265][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 99.974267][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 99.974269][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.974270][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 99.974272][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 99.974273][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 99.974275][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.974276][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 99.974278][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 99.974280][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 99.974282][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 99.974284][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 99.974286][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 99.974289][ T12] cleanup_net (net/core/net_namespace.c:706) [ 99.974291][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 99.974293][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.974295][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.974296][ T12] process_one_work (kernel/workqueue.c:3387) [ 99.974299][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 99.974301][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 99.974303][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 99.974306][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 99.974309][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 99.974311][ T12] kthread (kernel/kthread.c:436) [ 99.974312][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 99.974314][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 99.974316][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 99.974317][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 99.974319][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 99.974322][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 99.974324][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 102.057155][ T1977] softirqs last disabled at (0): 0x0 | [ 102.057157][ T1977] Preemption disabled at: | [ 102.057158][ T1977] vprintk_emit (kernel/printk/printk.c:2471) | [ 102.057168][ T1977] Tainted: [W]=WARN [ 102.057169][ T1977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 102.057171][ T1977] Call Trace: [ 102.057172][ T1977] [ 102.057173][ T1977] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 102.057178][ T1977] ? vprintk_emit (kernel/printk/printk.c:2471) [ 102.057180][ T1977] __might_resched.cold (kernel/sched/core.c:9234) [ 102.057183][ T1977] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 102.057186][ T1977] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 102.057190][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.057192][ T1977] __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)) [ 102.057194][ T1977] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 102.057197][ T1977] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 102.057202][ T1977] ? 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) [ 102.057204][ T1977] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 102.057206][ T1977] put_chars (drivers/char/virtio_console.c:1176) [ 102.057208][ T1977] ? __send_to_port (drivers/char/virtio_console.c:654) [ 102.057209][ T1977] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 102.057212][ T1977] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 102.057222][ T1977] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 102.057224][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.057225][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.057228][ T1977] console_emit_next_record (kernel/printk/printk.c:3183) [ 102.057231][ T1977] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 102.057233][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.057234][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.057234][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.057235][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.057237][ T1977] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 102.057239][ T1977] console_flush_one_record (kernel/printk/printk.c:3268) [ 102.057242][ T1977] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 102.057244][ T1977] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 102.057246][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.057248][ T1977] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 102.057249][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.057250][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 102.057252][ T1977] ? 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) [ 102.057253][ T1977] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 102.057254][ T1977] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 102.057256][ T1977] ? vprintk_emit (kernel/printk/printk.c:2478) [ 102.057258][ T1977] vprintk_emit (kernel/printk/printk.c:2479) [ 102.057259][ T1977] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 102.057261][ T1977] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 102.057262][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 102.057265][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.057267][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.057268][ T1977] _printk (kernel/printk/printk.c:2504) [ 102.057274][ T1977] ? snapshot_read.cold (user.c:?) [ 102.057276][ T1977] ? br_multicast_flood (??:?) [ 102.057279][ T1977] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 102.057282][ T1977] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 102.057283][ T1977] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 102.057285][ T1977] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 102.057287][ T1977] br_init_port (net/bridge/br_stp_if.c:39) [ 102.057289][ T1977] new_nbp (net/bridge/br_if.c:449) [ 102.057291][ T1977] br_add_if (net/bridge/br_if.c:592) [ 102.057293][ T1977] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 102.057296][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 102.057299][ T1977] do_set_master (net/core/rtnetlink.c:3071) [ 102.057300][ T1977] ? netif_change_flags (net/core/dev.c:9882) [ 102.057302][ T1977] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 102.057304][ T1977] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 102.057306][ T1977] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 102.057307][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.057308][ T1977] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 102.057311][ T1977] ? kasan_save_stack (mm/kasan/common.c:58) [ 102.057313][ T1977] ? kasan_save_stack (mm/kasan/common.c:57) [ 102.057314][ T1977] ? kasan_save_track (mm/kasan/common.c:78) [ 102.057315][ T1977] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 102.057316][ T1977] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 102.057317][ T1977] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 102.057318][ T1977] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 102.057319][ T1977] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 102.057322][ T1977] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 102.057324][ T1977] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 102.057325][ T1977] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 102.057328][ T1977] ? ____sys_sendmsg (net/socket.c:2713) [ 102.057329][ T1977] ? ___sys_sendmsg (net/socket.c:2767) [ 102.057331][ T1977] ? __sys_sendmsg (net/socket.c:2799) [ 102.057332][ T1977] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 102.057336][ T1977] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 102.057338][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.057339][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.057341][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.057342][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.057343][ T1977] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 102.057344][ T1977] ? __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) [ 102.057346][ T1977] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 102.057347][ T1977] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 102.057349][ T1977] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 102.057349][ T1977] ? nla_get_range_signed (lib/nlattr.c:270) [ 102.057353][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.057354][ T1977] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 102.057356][ T1977] rtnl_newlink (net/core/rtnetlink.c:4215) [ 102.057358][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.057359][ T1977] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 102.057360][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.057362][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.057363][ T1977] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 102.057366][ T1977] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 102.057367][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 102.057368][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.057369][ T1977] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 102.057373][ T1977] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 102.057375][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.057376][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.057377][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.057378][ T1977] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 102.057380][ T1977] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 102.057382][ T1977] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 102.057383][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 102.057385][ T1977] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 102.057387][ T1977] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 102.057388][ T1977] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 102.057390][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 102.057391][ T1977] ? netlink_ack (./include/linux/skbuff.h:2718) [ 102.057393][ T1977] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 102.057396][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.057397][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 102.057399][ T1977] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 102.057401][ T1977] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 102.057403][ T1977] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 102.057405][ T1977] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 102.057407][ T1977] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 102.057408][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 102.057410][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.057411][ T1977] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 102.057414][ T1977] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 102.057416][ T1977] ____sys_sendmsg (net/socket.c:2713) [ 102.057418][ T1977] ? copy_msghdr_from_user (net/socket.c:2650) [ 102.057420][ T1977] ? sock_write_iter (net/socket.c:1269) [ 102.057421][ T1977] ? move_addr_to_kernel (net/socket.c:258) [ 102.057423][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 102.057425][ T1977] ___sys_sendmsg (net/socket.c:2767) [ 102.057427][ T1977] ? copy_msghdr_from_user (net/socket.c:2619) [ 102.057432][ T1977] __sys_sendmsg (net/socket.c:2799) [ 102.057434][ T1977] ? __sys_sendmsg_sock (net/socket.c:2780) [ 102.057436][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.057438][ T1977] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 102.057439][ T1977] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 102.057441][ T1977] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 102.057443][ T1977] RIP: 0033:0x7fb17bebb54e [ 102.057445][ T1977] 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 [ 102.057447][ T1977] RSP: 002b:00007fff9023beb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 102.057450][ T1977] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb17bebb54e [ 102.057452][ T1977] RDX: 0000000000000000 RSI: 00007fff9023bf60 RDI: 0000000000000005 [ 102.057452][ T1977] RBP: 00007fff9023bec0 R08: 0000000000000000 R09: 0000000000000000 [ 102.057453][ T1977] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91028e [ 102.057454][ T1977] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9023c630 | [ 103.079392][ T444] softirqs last disabled at (2341): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 103.079396][ T444] Preemption disabled at: | [ 103.079396][ T444] 0x0 | [ 103.079410][ T444] Tainted: [W]=WARN [ 103.079411][ T444] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 103.079413][ T444] Workqueue: events_unbound linkwatch_event [ 103.079420][ T444] Call Trace: [ 103.079422][ T444] [ 103.079424][ T444] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 103.079430][ T444] __might_resched.cold (kernel/sched/core.c:9234) [ 103.079434][ T444] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 103.079438][ T444] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.079441][ T444] __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)) [ 103.079444][ T444] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 103.079447][ T444] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 103.079452][ T444] ? 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) [ 103.079454][ T444] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 103.079457][ T444] put_chars (drivers/char/virtio_console.c:1176) [ 103.079459][ T444] ? __send_to_port (drivers/char/virtio_console.c:654) [ 103.079460][ T444] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 103.079464][ T444] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 103.079469][ T444] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 103.079471][ T444] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 103.079473][ T444] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.079475][ T444] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.079477][ T444] console_emit_next_record (kernel/printk/printk.c:3183) [ 103.079480][ T444] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 103.079483][ T444] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.079484][ T444] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.079485][ T444] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.079486][ T444] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.079488][ T444] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 103.079490][ T444] console_flush_one_record (kernel/printk/printk.c:3268) [ 103.079492][ T444] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 103.079495][ T444] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 103.079497][ T444] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.079498][ T444] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 103.079500][ T444] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.079501][ T444] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 103.079502][ T444] ? 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) [ 103.079504][ T444] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 103.079505][ T444] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 103.079508][ T444] ? vprintk_emit (kernel/printk/printk.c:2478) [ 103.079509][ T444] vprintk_emit (kernel/printk/printk.c:2479) [ 103.079511][ T444] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 103.079512][ T444] ? 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) [ 103.079515][ T444] _printk (kernel/printk/printk.c:2504) [ 103.079518][ T444] ? snapshot_read.cold (user.c:?) [ 103.079520][ T444] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 103.079523][ T444] ? port_cost (net/bridge/br_if.c:40) [ 103.079526][ T444] ? br_multicast_flood (??:?) [ 103.079529][ T444] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 103.079532][ T444] br_init_port (net/bridge/br_stp_if.c:39) [ 103.079533][ T444] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 103.079535][ T444] br_port_carrier_check (net/bridge/br_if.c:90) [ 103.079537][ T444] br_device_event (net/bridge/br.c:101) [ 103.079540][ T444] ? packet_sendmsg_spkt (af_packet.c:?) [ 103.079542][ T444] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 103.079545][ T444] ? addrconf_notify (net/ipv6/addrconf.c:3796) [ 103.079548][ T444] notifier_call_chain (kernel/notifier.c:85) [ 103.079552][ T444] netif_state_change (net/core/dev.c:1625) [ 103.079555][ T444] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 103.079558][ T444] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 103.079559][ T444] __linkwatch_run_queue (net/core/link_watch.c:240) [ 103.079561][ T444] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 103.079563][ T444] ? debug_object_active_state (lib/debugobjects.c:1122) [ 103.079566][ T444] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 103.079568][ T444] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 103.079569][ T444] process_one_work (kernel/workqueue.c:3387) [ 103.079574][ T444] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 103.079576][ T444] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 103.079578][ T444] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 103.079580][ T444] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 103.079583][ T444] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 103.079584][ T444] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 103.079586][ T444] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 103.079588][ T444] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 103.079590][ T444] kthread (kernel/kthread.c:436) [ 103.079592][ T444] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 103.079595][ T444] ? kthread_affine_preferred (kernel/kthread.c:857) [ 103.079597][ T444] ret_from_fork (arch/x86/kernel/process.c:158) [ 103.079600][ T444] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 103.079602][ T444] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 103.079605][ T444] ? kthread_affine_preferred (kernel/kthread.c:857) [ 103.079607][ T444] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 109.466878][ T12] softirqs last disabled at (470914): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 109.466880][ T12] Preemption disabled at: | [ 109.466881][ T12] 0x0 | [ 109.466890][ T12] Tainted: [W]=WARN [ 109.466891][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 109.466893][ T12] Workqueue: netns cleanup_net [ 109.466899][ T12] Call Trace: [ 109.466901][ T12] [ 109.466902][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 109.466909][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 109.466912][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 109.466916][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.466919][ 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)) [ 109.466922][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 109.466925][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 109.466930][ 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) [ 109.466932][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 109.466934][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 109.466936][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 109.466937][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 109.466940][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 109.466943][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 109.466947][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 109.466949][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 109.466951][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.466953][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 109.466956][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 109.466958][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.466959][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.466960][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.466961][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.466963][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 109.466965][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 109.466968][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 109.466970][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 109.466972][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.466974][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 109.466976][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.466977][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 109.466978][ 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) [ 109.466980][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 109.466981][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 109.466983][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 109.466984][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 109.466986][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 109.466987][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.466988][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 109.466992][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 109.466993][ T12] _printk (kernel/printk/printk.c:2504) [ 109.467000][ T12] ? snapshot_read.cold (user.c:?) [ 109.467002][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 109.467006][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 109.467009][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 109.467011][ T12] br_device_event (net/bridge/br.c:111) [ 109.467013][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 109.467015][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 109.467017][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 109.467020][ T12] notifier_call_chain (kernel/notifier.c:85) [ 109.467023][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 109.467026][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 109.467028][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.467030][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 109.467032][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 109.467034][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 109.467036][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 109.467037][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 109.467040][ T12] ? kthread (kernel/kthread.c:436) [ 109.467042][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 109.467045][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 109.467047][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 109.467049][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.467050][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 109.467052][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 109.467054][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 109.467055][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.467056][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 109.467058][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 109.467060][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 109.467063][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 109.467065][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 109.467067][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 109.467070][ T12] cleanup_net (net/core/net_namespace.c:706) [ 109.467072][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 109.467073][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.467075][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.467076][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.467078][ T12] process_one_work (kernel/workqueue.c:3387) [ 109.467081][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 109.467083][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 109.467085][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 109.467087][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 109.467090][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 109.467092][ T12] kthread (kernel/kthread.c:436) [ 109.467094][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 109.467095][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 109.467097][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 109.467099][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 109.467101][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 109.467104][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 109.467106][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 111.554436][ T2215] softirqs last disabled at (0): 0x0 | [ 111.554438][ T2215] Preemption disabled at: | [ 111.554439][ T2215] vprintk_emit (kernel/printk/printk.c:2471) | [ 111.554449][ T2215] Tainted: [W]=WARN [ 111.554450][ T2215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.554452][ T2215] Call Trace: [ 111.554453][ T2215] [ 111.554454][ T2215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 111.554461][ T2215] ? vprintk_emit (kernel/printk/printk.c:2471) [ 111.554462][ T2215] __might_resched.cold (kernel/sched/core.c:9234) [ 111.554466][ T2215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 111.554469][ T2215] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 111.554473][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.554476][ T2215] __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)) [ 111.554478][ T2215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.554481][ T2215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 111.554486][ T2215] ? 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) [ 111.554488][ T2215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 111.554491][ T2215] put_chars (drivers/char/virtio_console.c:1176) [ 111.554492][ T2215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 111.554494][ T2215] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 111.554497][ T2215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 111.554501][ T2215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 111.554503][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.554505][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.554507][ T2215] console_emit_next_record (kernel/printk/printk.c:3183) [ 111.554510][ T2215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 111.554512][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.554513][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.554514][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.554515][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.554517][ T2215] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 111.554519][ T2215] console_flush_one_record (kernel/printk/printk.c:3268) [ 111.554521][ T2215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 111.554524][ T2215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 111.554526][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.554527][ T2215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 111.554529][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.554530][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 111.554531][ T2215] ? 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) [ 111.554533][ T2215] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 111.554534][ T2215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 111.554536][ T2215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 111.554538][ T2215] vprintk_emit (kernel/printk/printk.c:2479) [ 111.554539][ T2215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 111.554540][ T2215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.554542][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 111.554545][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.554547][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.554548][ T2215] _printk (kernel/printk/printk.c:2504) [ 111.554551][ T2215] ? snapshot_read.cold (user.c:?) [ 111.554553][ T2215] ? br_multicast_flood (??:?) [ 111.554556][ T2215] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 111.554559][ T2215] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 111.554560][ T2215] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 111.554562][ T2215] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 111.554565][ T2215] br_init_port (net/bridge/br_stp_if.c:39) [ 111.554566][ T2215] new_nbp (net/bridge/br_if.c:449) [ 111.554568][ T2215] br_add_if (net/bridge/br_if.c:592) [ 111.554570][ T2215] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 111.554574][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 111.554577][ T2215] do_set_master (net/core/rtnetlink.c:3071) [ 111.554578][ T2215] ? netif_change_flags (net/core/dev.c:9882) [ 111.554580][ T2215] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 111.554582][ T2215] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 111.554583][ T2215] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 111.554584][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.554586][ T2215] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 111.554589][ T2215] ? kasan_save_stack (mm/kasan/common.c:58) [ 111.554591][ T2215] ? kasan_save_stack (mm/kasan/common.c:57) [ 111.554592][ T2215] ? kasan_save_track (mm/kasan/common.c:78) [ 111.554593][ T2215] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 111.554594][ T2215] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 111.554595][ T2215] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 111.554596][ T2215] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 111.554597][ T2215] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 111.554600][ T2215] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 111.554602][ T2215] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 111.554603][ T2215] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 111.554606][ T2215] ? ____sys_sendmsg (net/socket.c:2713) [ 111.554607][ T2215] ? ___sys_sendmsg (net/socket.c:2767) [ 111.554609][ T2215] ? __sys_sendmsg (net/socket.c:2799) [ 111.554610][ T2215] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 111.554614][ T2215] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 111.554616][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.554617][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.554619][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.554620][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.554621][ T2215] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 111.554622][ T2215] ? __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) [ 111.554624][ T2215] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 111.554625][ T2215] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 111.554626][ T2215] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 111.554627][ T2215] ? nla_get_range_signed (lib/nlattr.c:270) [ 111.554631][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.554632][ T2215] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 111.554634][ T2215] rtnl_newlink (net/core/rtnetlink.c:4215) [ 111.554636][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.554637][ T2215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 111.554638][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.554640][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.554641][ T2215] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 111.554644][ T2215] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 111.554645][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 111.554646][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.554647][ T2215] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 111.554651][ T2215] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 111.554653][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.554654][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.554656][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.554657][ T2215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 111.554658][ T2215] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 111.554660][ T2215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 111.554661][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 111.554662][ T2215] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 111.554665][ T2215] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 111.554666][ T2215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 111.554668][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 111.554669][ T2215] ? netlink_ack (./include/linux/skbuff.h:2718) [ 111.554671][ T2215] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 111.554674][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.554675][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 111.554677][ T2215] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 111.554679][ T2215] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 111.554681][ T2215] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 111.554683][ T2215] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 111.554685][ T2215] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 111.554686][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 111.554688][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.554689][ T2215] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 111.554693][ T2215] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 111.554695][ T2215] ____sys_sendmsg (net/socket.c:2713) [ 111.554696][ T2215] ? copy_msghdr_from_user (net/socket.c:2650) [ 111.554698][ T2215] ? sock_write_iter (net/socket.c:1269) [ 111.554699][ T2215] ? move_addr_to_kernel (net/socket.c:258) [ 111.554701][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 111.554704][ T2215] ___sys_sendmsg (net/socket.c:2767) [ 111.554705][ T2215] ? copy_msghdr_from_user (net/socket.c:2619) [ 111.554710][ T2215] __sys_sendmsg (net/socket.c:2799) [ 111.554712][ T2215] ? __sys_sendmsg_sock (net/socket.c:2780) [ 111.554715][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.554716][ T2215] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 111.554718][ T2215] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 111.554720][ T2215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 111.554721][ T2215] RIP: 0033:0x7f21ab9b754e [ 111.554723][ T2215] 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 [ 111.554725][ T2215] RSP: 002b:00007ffe17df5c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 111.554729][ T2215] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f21ab9b754e [ 111.554730][ T2215] RDX: 0000000000000000 RSI: 00007ffe17df5d10 RDI: 0000000000000005 [ 111.554731][ T2215] RBP: 00007ffe17df5c70 R08: 0000000000000000 R09: 0000000000000000 [ 111.554732][ T2215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910297 [ 111.554733][ T2215] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe17df63e0 | [ 118.400007][ T12] softirqs last disabled at (470914): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 118.400009][ T12] Preemption disabled at: | [ 118.400010][ T12] 0x0 | [ 118.400021][ T12] Tainted: [W]=WARN [ 118.400022][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 118.400024][ T12] Workqueue: netns cleanup_net [ 118.400030][ T12] Call Trace: [ 118.400031][ T12] [ 118.400033][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 118.400039][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 118.400042][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 118.400046][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.400049][ 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)) [ 118.400051][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 118.400055][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 118.400059][ 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) [ 118.400061][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 118.400064][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 118.400065][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 118.400066][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 118.400069][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 118.400072][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 118.400077][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 118.400079][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 118.400081][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.400083][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 118.400086][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 118.400088][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.400089][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.400090][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.400091][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.400093][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 118.400095][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 118.400097][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 118.400100][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 118.400102][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.400104][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 118.400105][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.400106][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 118.400108][ 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) [ 118.400110][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 118.400111][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 118.400113][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 118.400115][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 118.400117][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 118.400118][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.400119][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 118.400122][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 118.400124][ T12] _printk (kernel/printk/printk.c:2504) [ 118.400127][ T12] ? snapshot_read.cold (user.c:?) [ 118.400129][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 118.400133][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 118.400136][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 118.400138][ T12] br_device_event (net/bridge/br.c:111) [ 118.400141][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 118.400142][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 118.400144][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 118.400147][ T12] notifier_call_chain (kernel/notifier.c:85) [ 118.400150][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 118.400153][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 118.400155][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.400157][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 118.400159][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 118.400161][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 118.400163][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 118.400165][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 118.400168][ T12] ? kthread (kernel/kthread.c:436) [ 118.400170][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 118.400173][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 118.400175][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 118.400177][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.400178][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 118.400180][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 118.400181][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 118.400182][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.400184][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 118.400186][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 118.400188][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 118.400190][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 118.400193][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 118.400194][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 118.400198][ T12] cleanup_net (net/core/net_namespace.c:706) [ 118.400199][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 118.400201][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.400203][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.400205][ T12] process_one_work (kernel/workqueue.c:3387) [ 118.400208][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 118.400210][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 118.400212][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 118.400214][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 118.400217][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 118.400219][ T12] kthread (kernel/kthread.c:436) [ 118.400221][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 118.400223][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 118.400225][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 118.400226][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 118.400228][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 118.400231][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 118.400233][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 120.440827][ T2414] softirqs last disabled at (0): 0x0 | [ 120.440829][ T2414] Preemption disabled at: | [ 120.440829][ T2414] vprintk_emit (kernel/printk/printk.c:2471) | [ 120.440839][ T2414] Tainted: [W]=WARN [ 120.440840][ T2414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 120.440842][ T2414] Call Trace: [ 120.440843][ T2414] [ 120.440844][ T2414] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 120.440850][ T2414] ? vprintk_emit (kernel/printk/printk.c:2471) [ 120.440851][ T2414] __might_resched.cold (kernel/sched/core.c:9234) [ 120.440855][ T2414] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 120.440858][ T2414] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 120.440862][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.440864][ 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)) [ 120.440867][ T2414] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 120.440870][ T2414] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 120.440875][ 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) [ 120.440877][ T2414] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 120.440879][ T2414] put_chars (drivers/char/virtio_console.c:1176) [ 120.440881][ T2414] ? __send_to_port (drivers/char/virtio_console.c:654) [ 120.440882][ T2414] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 120.440885][ T2414] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 120.440889][ T2414] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 120.440891][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.440892][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.440895][ T2414] console_emit_next_record (kernel/printk/printk.c:3183) [ 120.440898][ T2414] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 120.440900][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.440901][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.440901][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.440902][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.440904][ T2414] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 120.440906][ T2414] console_flush_one_record (kernel/printk/printk.c:3268) [ 120.440908][ T2414] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 120.440911][ T2414] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 120.440913][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.440914][ T2414] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 120.440916][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.440917][ T2414] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 120.440918][ 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) [ 120.440920][ T2414] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 120.440921][ T2414] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 120.440923][ T2414] ? vprintk_emit (kernel/printk/printk.c:2478) [ 120.440925][ T2414] vprintk_emit (kernel/printk/printk.c:2479) [ 120.440926][ T2414] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 120.440928][ T2414] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 120.440929][ T2414] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 120.440932][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.440934][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.440935][ T2414] _printk (kernel/printk/printk.c:2504) [ 120.440938][ T2414] ? snapshot_read.cold (user.c:?) [ 120.440940][ T2414] ? br_multicast_flood (??:?) [ 120.440943][ T2414] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 120.440946][ T2414] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 120.440947][ T2414] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 120.440949][ T2414] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 120.440952][ T2414] br_init_port (net/bridge/br_stp_if.c:39) [ 120.440953][ T2414] new_nbp (net/bridge/br_if.c:449) [ 120.440956][ T2414] br_add_if (net/bridge/br_if.c:592) [ 120.440957][ T2414] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 120.440961][ T2414] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 120.440964][ T2414] do_set_master (net/core/rtnetlink.c:3071) [ 120.440965][ T2414] ? netif_change_flags (net/core/dev.c:9882) [ 120.440967][ T2414] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 120.440969][ T2414] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 120.440970][ T2414] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 120.440971][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.440972][ T2414] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 120.440976][ T2414] ? kasan_save_stack (mm/kasan/common.c:58) [ 120.440978][ T2414] ? kasan_save_stack (mm/kasan/common.c:57) [ 120.440979][ T2414] ? kasan_save_track (mm/kasan/common.c:78) [ 120.440980][ T2414] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 120.440981][ T2414] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 120.440982][ T2414] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 120.440983][ T2414] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 120.440984][ T2414] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 120.440987][ T2414] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 120.440989][ T2414] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 120.440990][ T2414] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 120.440992][ T2414] ? ____sys_sendmsg (net/socket.c:2713) [ 120.440994][ T2414] ? ___sys_sendmsg (net/socket.c:2767) [ 120.440995][ T2414] ? __sys_sendmsg (net/socket.c:2799) [ 120.440999][ T2414] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 120.441002][ T2414] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 120.441005][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.441006][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.441007][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.441008][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.441009][ T2414] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 120.441011][ 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) [ 120.441012][ T2414] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 120.441013][ T2414] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 120.441015][ T2414] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 120.441016][ T2414] ? nla_get_range_signed (lib/nlattr.c:270) [ 120.441020][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.441021][ T2414] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 120.441023][ T2414] rtnl_newlink (net/core/rtnetlink.c:4215) [ 120.441025][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.441026][ T2414] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 120.441027][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.441029][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.441030][ T2414] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 120.441032][ T2414] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 120.441034][ T2414] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 120.441035][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.441036][ T2414] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 120.441039][ T2414] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 120.441042][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.441043][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.441044][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.441045][ T2414] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 120.441047][ T2414] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 120.441048][ T2414] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 120.441050][ T2414] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 120.441051][ T2414] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 120.441053][ T2414] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 120.441055][ T2414] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 120.441056][ T2414] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 120.441058][ T2414] ? netlink_ack (./include/linux/skbuff.h:2718) [ 120.441060][ T2414] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 120.441063][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.441064][ T2414] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 120.441066][ T2414] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 120.441068][ T2414] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 120.441070][ T2414] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 120.441071][ T2414] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 120.441074][ T2414] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 120.441075][ T2414] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 120.441077][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.441078][ T2414] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 120.441081][ T2414] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 120.441083][ T2414] ____sys_sendmsg (net/socket.c:2713) [ 120.441085][ T2414] ? copy_msghdr_from_user (net/socket.c:2650) [ 120.441087][ T2414] ? sock_write_iter (net/socket.c:1269) [ 120.441088][ T2414] ? move_addr_to_kernel (net/socket.c:258) [ 120.441089][ T2414] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 120.441092][ T2414] ___sys_sendmsg (net/socket.c:2767) [ 120.441094][ T2414] ? copy_msghdr_from_user (net/socket.c:2619) [ 120.441099][ T2414] __sys_sendmsg (net/socket.c:2799) [ 120.441100][ T2414] ? __sys_sendmsg_sock (net/socket.c:2780) [ 120.441103][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.441105][ T2414] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 120.441106][ T2414] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 120.441108][ T2414] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 120.441110][ T2414] RIP: 0033:0x7f963bf1554e [ 120.441112][ 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 [ 120.441114][ T2414] RSP: 002b:00007ffda9358cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 120.441117][ T2414] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f963bf1554e [ 120.441119][ T2414] RDX: 0000000000000000 RSI: 00007ffda9358da0 RDI: 0000000000000005 [ 120.441119][ T2414] RBP: 00007ffda9358d00 R08: 0000000000000000 R09: 0000000000000000 [ 120.441120][ T2414] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9102a0 [ 120.441121][ T2414] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda9359470 | [ 127.502956][ T12] softirqs last disabled at (470914): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 127.502958][ T12] Preemption disabled at: | [ 127.502959][ T12] 0x0 | [ 127.502969][ T12] Tainted: [W]=WARN [ 127.502970][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 127.502972][ T12] Workqueue: netns cleanup_net [ 127.502978][ T12] Call Trace: [ 127.502979][ T12] [ 127.502981][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 127.502987][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 127.502991][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 127.502999][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.503002][ 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)) [ 127.503005][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 127.503008][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 127.503013][ 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) [ 127.503015][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 127.503017][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 127.503019][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 127.503020][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 127.503023][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 127.503025][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 127.503030][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 127.503032][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 127.503034][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 127.503036][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 127.503039][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 127.503041][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.503042][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.503043][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.503044][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 127.503046][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 127.503048][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 127.503050][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 127.503053][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 127.503055][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 127.503057][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 127.503058][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.503059][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 127.503061][ 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) [ 127.503062][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 127.503064][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 127.503066][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 127.503067][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 127.503069][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 127.503070][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.503072][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 127.503075][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 127.503077][ T12] _printk (kernel/printk/printk.c:2504) [ 127.503080][ T12] ? snapshot_read.cold (user.c:?) [ 127.503082][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 127.503085][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 127.503089][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 127.503091][ T12] br_device_event (net/bridge/br.c:111) [ 127.503093][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 127.503095][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 127.503097][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 127.503100][ T12] notifier_call_chain (kernel/notifier.c:85) [ 127.503103][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 127.503106][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 127.503108][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 127.503110][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 127.503111][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 127.503114][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 127.503116][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 127.503117][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 127.503120][ T12] ? kthread (kernel/kthread.c:436) [ 127.503122][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 127.503125][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 127.503127][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 127.503129][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.503130][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 127.503132][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 127.503134][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 127.503135][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 127.503136][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 127.503138][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 127.503140][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 127.503143][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 127.503145][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 127.503147][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 127.503150][ T12] cleanup_net (net/core/net_namespace.c:706) [ 127.503152][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 127.503154][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 127.503155][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 127.503157][ T12] process_one_work (kernel/workqueue.c:3387) [ 127.503160][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 127.503162][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 127.503164][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 127.503166][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 127.503169][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 127.503171][ T12] kthread (kernel/kthread.c:436) [ 127.503173][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 127.503174][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 127.503176][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 127.503178][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 127.503180][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 127.503183][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 127.503184][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 129.702847][ T2622] softirqs last disabled at (0): 0x0 | [ 129.702848][ T2622] Preemption disabled at: | [ 129.702849][ T2622] vprintk_emit (kernel/printk/printk.c:2471) | [ 129.702859][ T2622] Tainted: [W]=WARN [ 129.702860][ T2622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 129.702862][ T2622] Call Trace: [ 129.702863][ T2622] [ 129.702865][ T2622] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 129.702870][ T2622] ? vprintk_emit (kernel/printk/printk.c:2471) [ 129.702871][ T2622] __might_resched.cold (kernel/sched/core.c:9234) [ 129.702875][ T2622] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 129.702878][ T2622] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 129.702882][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.702884][ 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)) [ 129.702887][ T2622] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 129.702890][ T2622] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 129.702895][ 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) [ 129.702896][ T2622] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 129.702899][ T2622] put_chars (drivers/char/virtio_console.c:1176) [ 129.702900][ T2622] ? __send_to_port (drivers/char/virtio_console.c:654) [ 129.702902][ T2622] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 129.702905][ T2622] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 129.702909][ T2622] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 129.702911][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.702912][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.702915][ T2622] console_emit_next_record (kernel/printk/printk.c:3183) [ 129.702918][ T2622] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 129.702920][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.702921][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.702921][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.702923][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.702925][ T2622] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 129.702926][ T2622] console_flush_one_record (kernel/printk/printk.c:3268) [ 129.702929][ T2622] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 129.702931][ T2622] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 129.702933][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.702935][ T2622] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 129.702936][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.702937][ T2622] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 129.702939][ 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) [ 129.702940][ T2622] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 129.702942][ T2622] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 129.702944][ T2622] ? vprintk_emit (kernel/printk/printk.c:2478) [ 129.702945][ T2622] vprintk_emit (kernel/printk/printk.c:2479) [ 129.702947][ T2622] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 129.702948][ T2622] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 129.702950][ T2622] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 129.702952][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.702954][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.702955][ T2622] _printk (kernel/printk/printk.c:2504) [ 129.702958][ T2622] ? snapshot_read.cold (user.c:?) [ 129.702960][ T2622] ? br_multicast_flood (??:?) [ 129.702964][ T2622] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 129.702966][ T2622] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 129.702968][ T2622] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 129.702969][ T2622] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 129.702972][ T2622] br_init_port (net/bridge/br_stp_if.c:39) [ 129.702974][ T2622] new_nbp (net/bridge/br_if.c:449) [ 129.702976][ T2622] br_add_if (net/bridge/br_if.c:592) [ 129.702978][ T2622] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 129.702981][ T2622] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 129.702984][ T2622] do_set_master (net/core/rtnetlink.c:3071) [ 129.702985][ T2622] ? netif_change_flags (net/core/dev.c:9882) [ 129.702987][ T2622] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 129.702989][ T2622] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 129.702990][ T2622] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 129.702991][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.702992][ T2622] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 129.702996][ T2622] ? kasan_save_stack (mm/kasan/common.c:58) [ 129.703000][ T2622] ? kasan_save_stack (mm/kasan/common.c:57) [ 129.703001][ T2622] ? kasan_save_track (mm/kasan/common.c:78) [ 129.703003][ T2622] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 129.703004][ T2622] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 129.703005][ T2622] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 129.703006][ T2622] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 129.703007][ T2622] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 129.703010][ T2622] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 129.703012][ T2622] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 129.703013][ T2622] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 129.703016][ T2622] ? ____sys_sendmsg (net/socket.c:2713) [ 129.703017][ T2622] ? ___sys_sendmsg (net/socket.c:2767) [ 129.703019][ T2622] ? __sys_sendmsg (net/socket.c:2799) [ 129.703020][ T2622] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 129.703024][ T2622] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 129.703027][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.703028][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.703029][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.703030][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.703031][ T2622] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 129.703033][ 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) [ 129.703034][ T2622] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 129.703036][ T2622] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 129.703037][ T2622] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 129.703038][ T2622] ? nla_get_range_signed (lib/nlattr.c:270) [ 129.703042][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.703043][ T2622] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 129.703045][ T2622] rtnl_newlink (net/core/rtnetlink.c:4215) [ 129.703047][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.703048][ T2622] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 129.703049][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.703050][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.703052][ T2622] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 129.703054][ T2622] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 129.703055][ T2622] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 129.703057][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.703058][ T2622] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 129.703061][ T2622] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 129.703063][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.703064][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.703066][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.703067][ T2622] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 129.703068][ T2622] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 129.703070][ T2622] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 129.703071][ T2622] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 129.703073][ T2622] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 129.703075][ T2622] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 129.703077][ T2622] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 129.703078][ T2622] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 129.703080][ T2622] ? netlink_ack (./include/linux/skbuff.h:2718) [ 129.703081][ T2622] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 129.703084][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.703085][ T2622] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 129.703087][ T2622] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 129.703089][ T2622] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 129.703091][ T2622] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 129.703093][ T2622] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 129.703095][ T2622] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 129.703096][ T2622] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 129.703098][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.703099][ T2622] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 129.703103][ T2622] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 129.703104][ T2622] ____sys_sendmsg (net/socket.c:2713) [ 129.703106][ T2622] ? copy_msghdr_from_user (net/socket.c:2650) [ 129.703108][ T2622] ? sock_write_iter (net/socket.c:1269) [ 129.703109][ T2622] ? move_addr_to_kernel (net/socket.c:258) [ 129.703111][ T2622] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 129.703113][ T2622] ___sys_sendmsg (net/socket.c:2767) [ 129.703115][ T2622] ? copy_msghdr_from_user (net/socket.c:2619) [ 129.703120][ T2622] __sys_sendmsg (net/socket.c:2799) [ 129.703122][ T2622] ? __sys_sendmsg_sock (net/socket.c:2780) [ 129.703124][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.703126][ T2622] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 129.703128][ T2622] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 129.703130][ T2622] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 129.703131][ T2622] RIP: 0033:0x7f283d99154e [ 129.703133][ 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 [ 129.703135][ T2622] RSP: 002b:00007ffcc5b58710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 129.703138][ T2622] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f283d99154e [ 129.703140][ T2622] RDX: 0000000000000000 RSI: 00007ffcc5b587c0 RDI: 0000000000000005 [ 129.703140][ T2622] RBP: 00007ffcc5b58720 R08: 0000000000000000 R09: 0000000000000000 [ 129.703141][ T2622] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9102aa [ 129.703142][ T2622] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc5b58e90 | [ 137.101232][ T12] softirqs last disabled at (470914): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 137.101234][ T12] Preemption disabled at: | [ 137.101234][ T12] 0x0 | [ 137.101244][ T12] Tainted: [W]=WARN [ 137.101245][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 137.101246][ T12] Workqueue: netns cleanup_net [ 137.101252][ T12] Call Trace: [ 137.101254][ T12] [ 137.101255][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 137.101261][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 137.101264][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 137.101268][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.101271][ 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)) [ 137.101274][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 137.101277][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 137.101282][ 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) [ 137.101284][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 137.101286][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 137.101288][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 137.101289][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 137.101292][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 137.101294][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 137.101299][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 137.101301][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 137.101302][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.101305][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 137.101308][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 137.101310][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.101311][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.101311][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.101312][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.101314][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 137.101316][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 137.101318][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 137.101321][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 137.101323][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.101324][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 137.101326][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.101327][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 137.101328][ 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) [ 137.101330][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 137.101331][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 137.101333][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 137.101335][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 137.101337][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 137.101338][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.101347][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 137.101350][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 137.101353][ T12] _printk (kernel/printk/printk.c:2504) [ 137.101356][ T12] ? snapshot_read.cold (user.c:?) [ 137.101360][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 137.101364][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 137.101368][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 137.101370][ T12] br_device_event (net/bridge/br.c:111) [ 137.101372][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 137.101374][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 137.101376][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 137.101379][ T12] notifier_call_chain (kernel/notifier.c:85) [ 137.101383][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 137.101385][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 137.101387][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.101389][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 137.101391][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 137.101393][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 137.101395][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 137.101396][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 137.101399][ T12] ? kthread (kernel/kthread.c:436) [ 137.101401][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 137.101404][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 137.101406][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 137.101407][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.101409][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 137.101411][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 137.101412][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 137.101413][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.101415][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 137.101416][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 137.101419][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 137.101421][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 137.101424][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 137.101425][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 137.101428][ T12] cleanup_net (net/core/net_namespace.c:706) [ 137.101430][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 137.101432][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.101434][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.101435][ T12] process_one_work (kernel/workqueue.c:3387) [ 137.101438][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 137.101440][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 137.101443][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 137.101446][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 137.101447][ T12] kthread (kernel/kthread.c:436) [ 137.101449][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 137.101451][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 137.101452][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 137.101454][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 137.101456][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 137.101459][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 137.101460][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 139.202096][ T2843] softirqs last disabled at (0): 0x0 | [ 139.202098][ T2843] Preemption disabled at: | [ 139.202099][ T2843] vprintk_emit (kernel/printk/printk.c:2471) | [ 139.202109][ T2843] Tainted: [W]=WARN [ 139.202110][ T2843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 139.202111][ T2843] Call Trace: [ 139.202113][ T2843] [ 139.202114][ T2843] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 139.202120][ T2843] ? vprintk_emit (kernel/printk/printk.c:2471) [ 139.202121][ T2843] __might_resched.cold (kernel/sched/core.c:9234) [ 139.202125][ T2843] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 139.202129][ T2843] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 139.202132][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.202135][ 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)) [ 139.202137][ T2843] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 139.202140][ T2843] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 139.202145][ 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) [ 139.202147][ T2843] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 139.202149][ T2843] put_chars (drivers/char/virtio_console.c:1176) [ 139.202151][ T2843] ? __send_to_port (drivers/char/virtio_console.c:654) [ 139.202153][ T2843] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 139.202155][ T2843] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 139.202160][ T2843] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 139.202162][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.202163][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.202166][ T2843] console_emit_next_record (kernel/printk/printk.c:3183) [ 139.202169][ T2843] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 139.202171][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.202172][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.202173][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.202174][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.202176][ T2843] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 139.202177][ T2843] console_flush_one_record (kernel/printk/printk.c:3268) [ 139.202180][ T2843] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 139.202183][ T2843] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 139.202185][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.202186][ T2843] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 139.202188][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.202189][ T2843] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 139.202190][ 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) [ 139.202192][ T2843] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 139.202193][ T2843] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 139.202195][ T2843] ? vprintk_emit (kernel/printk/printk.c:2478) [ 139.202197][ T2843] vprintk_emit (kernel/printk/printk.c:2479) [ 139.202198][ T2843] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 139.202199][ T2843] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 139.202201][ T2843] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 139.202204][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.202205][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.202207][ T2843] _printk (kernel/printk/printk.c:2504) [ 139.202210][ T2843] ? snapshot_read.cold (user.c:?) [ 139.202212][ T2843] ? br_multicast_flood (??:?) [ 139.202215][ T2843] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 139.202218][ T2843] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 139.202219][ T2843] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 139.202221][ T2843] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 139.202223][ T2843] br_init_port (net/bridge/br_stp_if.c:39) [ 139.202225][ T2843] new_nbp (net/bridge/br_if.c:449) [ 139.202227][ T2843] br_add_if (net/bridge/br_if.c:592) [ 139.202229][ T2843] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 139.202233][ T2843] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 139.202236][ T2843] do_set_master (net/core/rtnetlink.c:3071) [ 139.202237][ T2843] ? netif_change_flags (net/core/dev.c:9882) [ 139.202239][ T2843] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 139.202241][ T2843] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 139.202243][ T2843] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 139.202244][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.202245][ T2843] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 139.202248][ T2843] ? kasan_save_stack (mm/kasan/common.c:58) [ 139.202250][ T2843] ? kasan_save_stack (mm/kasan/common.c:57) [ 139.202251][ T2843] ? kasan_save_track (mm/kasan/common.c:78) [ 139.202252][ T2843] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 139.202253][ T2843] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 139.202254][ T2843] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 139.202255][ T2843] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 139.202256][ T2843] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 139.202259][ T2843] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 139.202261][ T2843] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 139.202263][ T2843] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 139.202265][ T2843] ? ____sys_sendmsg (net/socket.c:2713) [ 139.202266][ T2843] ? ___sys_sendmsg (net/socket.c:2767) [ 139.202268][ T2843] ? __sys_sendmsg (net/socket.c:2799) [ 139.202270][ T2843] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 139.202273][ T2843] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 139.202275][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.202277][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.202278][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.202279][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.202280][ T2843] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 139.202282][ 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) [ 139.202283][ T2843] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 139.202284][ T2843] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 139.202286][ T2843] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 139.202287][ T2843] ? nla_get_range_signed (lib/nlattr.c:270) [ 139.202290][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.202292][ T2843] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 139.202294][ T2843] rtnl_newlink (net/core/rtnetlink.c:4215) [ 139.202296][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.202297][ T2843] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 139.202298][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.202300][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.202301][ T2843] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 139.202304][ T2843] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 139.202305][ T2843] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 139.202306][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.202308][ T2843] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 139.202311][ T2843] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 139.202313][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.202314][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.202316][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.202317][ T2843] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 139.202318][ T2843] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 139.202320][ T2843] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 139.202321][ T2843] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 139.202323][ T2843] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 139.202325][ T2843] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 139.202327][ T2843] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 139.202328][ T2843] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 139.202329][ T2843] ? netlink_ack (./include/linux/skbuff.h:2718) [ 139.202331][ T2843] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 139.202334][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.202335][ T2843] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 139.202337][ T2843] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 139.202339][ T2843] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 139.202341][ T2843] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 139.202343][ T2843] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 139.202345][ T2843] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 139.202353][ T2843] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 139.202355][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.202356][ T2843] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 139.202360][ T2843] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 139.202362][ T2843] ____sys_sendmsg (net/socket.c:2713) [ 139.202363][ T2843] ? copy_msghdr_from_user (net/socket.c:2650) [ 139.202365][ T2843] ? sock_write_iter (net/socket.c:1269) [ 139.202366][ T2843] ? move_addr_to_kernel (net/socket.c:258) [ 139.202368][ T2843] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 139.202371][ T2843] ___sys_sendmsg (net/socket.c:2767) [ 139.202372][ T2843] ? copy_msghdr_from_user (net/socket.c:2619) [ 139.202377][ T2843] __sys_sendmsg (net/socket.c:2799) [ 139.202380][ T2843] ? __sys_sendmsg_sock (net/socket.c:2780) [ 139.202383][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.202385][ T2843] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 139.202386][ T2843] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 139.202389][ T2843] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 139.202390][ T2843] RIP: 0033:0x7f70cf62054e [ 139.202392][ 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 [ 139.202394][ T2843] RSP: 002b:00007fffcec56f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 139.202397][ T2843] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f70cf62054e [ 139.202399][ T2843] RDX: 0000000000000000 RSI: 00007fffcec56ff0 RDI: 0000000000000005 [ 139.202400][ T2843] RBP: 00007fffcec56f50 R08: 0000000000000000 R09: 0000000000000000 [ 139.202400][ T2843] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9102b3 [ 139.202401][ T2843] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffcec576c0 | [ 146.817514][ T12] softirqs last disabled at (470914): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 146.817517][ T12] Preemption disabled at: | [ 146.817519][ T12] 0x0 | [ 146.817531][ T12] Tainted: [W]=WARN [ 146.817532][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 146.817535][ T12] Workqueue: netns cleanup_net [ 146.817542][ T12] Call Trace: [ 146.817544][ T12] [ 146.817546][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 146.817553][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 146.817557][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 146.817562][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 146.817566][ 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)) [ 146.817570][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 146.817573][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 146.817579][ 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) [ 146.817582][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 146.817585][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 146.817588][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 146.817590][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 146.817594][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 146.817598][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 146.817604][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 146.817606][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 146.817609][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 146.817613][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 146.817617][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 146.817620][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 146.817621][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 146.817623][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 146.817625][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 146.817628][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 146.817631][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 146.817634][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 146.817638][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 146.817641][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 146.817643][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 146.817646][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 146.817648][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 146.817650][ 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) [ 146.817652][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 146.817655][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 146.817658][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 146.817660][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 146.817663][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 146.817665][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 146.817667][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 146.817671][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 146.817674][ T12] _printk (kernel/printk/printk.c:2504) [ 146.817678][ T12] ? snapshot_read.cold (user.c:?) [ 146.817681][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 146.817685][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 146.817690][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 146.817693][ T12] br_device_event (net/bridge/br.c:111) [ 146.817697][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 146.817699][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 146.817702][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 146.817706][ T12] notifier_call_chain (kernel/notifier.c:85) [ 146.817711][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 146.817714][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 146.817717][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 146.817720][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 146.817723][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 146.817726][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 146.817729][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 146.817731][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 146.817735][ T12] ? kthread (kernel/kthread.c:436) [ 146.817738][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 146.817742][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 146.817745][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 146.817747][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 146.817749][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 146.817753][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 146.817755][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 146.817757][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 146.817760][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 146.817762][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 146.817765][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 146.817769][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 146.817772][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 146.817775][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 146.817779][ T12] cleanup_net (net/core/net_namespace.c:706) [ 146.817782][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 146.817785][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 146.817787][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 146.817790][ T12] process_one_work (kernel/workqueue.c:3387) [ 146.817794][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 146.817798][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 146.817802][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 146.817806][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 146.817809][ T12] kthread (kernel/kthread.c:436) [ 146.817811][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 146.817814][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 146.817817][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 146.817819][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 146.817822][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 146.817826][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: 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 netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __fib6_clean_all:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print addrconf_permanent_addr:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print 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