====================================== | [ 11.374709][ T223] softirqs last disabled at (22889): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.374713][ T223] Preemption disabled at: | [ 11.374713][ T223] 0x0 | [ 11.374726][ T223] Tainted: [W]=WARN [ 11.374727][ T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.374729][ T223] Call Trace: [ 11.374731][ T223] [ 11.374734][ T223] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.374742][ T223] __might_resched.cold (kernel/sched/core.c:9234) [ 11.374748][ T223] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.374754][ T223] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.374761][ T223] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.374765][ T223] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.374775][ T223] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.374778][ T223] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.374785][ T223] put_chars (drivers/char/virtio_console.c:1176) [ 11.374789][ T223] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.374791][ T223] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.374797][ T223] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.374807][ T223] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.374819][ T223] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.374824][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.374827][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.374835][ T223] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.374841][ T223] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.374844][ T223] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 11.374850][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.374853][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.374860][ T223] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.374867][ T223] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.374870][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.374880][ T223] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.374885][ T223] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.374887][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.374891][ T223] ? 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) [ 11.374897][ T223] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.374900][ T223] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.374905][ T223] vprintk_emit (kernel/printk/printk.c:2479) [ 11.374911][ T223] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.374916][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.374922][ T223] _printk (kernel/printk/printk.c:2504) [ 11.374927][ T223] ? snapshot_read.cold (user.c:?) [ 11.374932][ T223] ? 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) [ 11.374937][ T223] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.374944][ T223] ? 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) [ 11.374949][ T223] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.374954][ T223] ? exit_notify (kernel/exit.c:780) [ 11.374956][ T223] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.374961][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.374969][ T223] do_group_exit (kernel/exit.c:1151) [ 11.374974][ T223] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.374977][ T223] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.374980][ T223] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.374985][ T223] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.374990][ T223] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.374994][ T223] RIP: 0033:0x7f370db7f1b8 [ 11.374997][ T223] Code: Unable to access opcode bytes at 0x7f370db7f18e. Code starting with the faulting instruction =========================================== [ 11.374998][ T223] RSP: 002b:00007ffdae223328 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.375002][ T223] RAX: ffffffffffffffda RBX: 00007f370dcaff88 RCX: 00007f370db7f1b8 [ 11.375004][ T223] RDX: 00007f370d8c9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.375006][ T223] RBP: 00007ffdae223380 R08: 0000000000000000 R09: 0000000000000050 [ 11.375007][ T223] R10: 00007ffdae223140 R11: 0000000000000246 R12: 0000000000000001 [ 11.375008][ T223] R13: 0000000000000000 R14: 00007f370dcae680 R15: 00007f370dcaffa0 | [ 13.661256][ T270] softirqs last disabled at (16890): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 13.661259][ T270] Preemption disabled at: | [ 13.661259][ T270] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.661268][ T270] Tainted: [W]=WARN [ 13.661269][ T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.661271][ T270] Call Trace: [ 13.661273][ T270] [ 13.661274][ T270] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.661281][ T270] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.661282][ T270] __might_resched.cold (kernel/sched/core.c:9234) [ 13.661287][ T270] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.661291][ 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) [ 13.661296][ 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)) [ 13.661298][ T270] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.661304][ 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) [ 13.661307][ T270] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.661311][ T270] put_chars (drivers/char/virtio_console.c:1176) [ 13.661314][ T270] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.661316][ T270] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 13.661322][ T270] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.661329][ T270] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.661332][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.661335][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.661339][ T270] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.661343][ T270] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.661345][ 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)) [ 13.661348][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.661350][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.661354][ T270] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.661362][ T270] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.661364][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.661370][ T270] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.661373][ T270] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.661375][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.661377][ 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) [ 13.661381][ T270] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.661382][ T270] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.661385][ T270] vprintk_emit (kernel/printk/printk.c:2479) [ 13.661388][ T270] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.661393][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.661395][ T270] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 13.661399][ T270] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.661403][ T270] _printk (kernel/printk/printk.c:2504) [ 13.661406][ T270] ? snapshot_read.cold (user.c:?) [ 13.661410][ T270] ? br_multicast_flood (??:?) [ 13.661413][ T270] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.661414][ T270] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.661416][ T270] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.661420][ T270] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 13.661424][ T270] br_init_port (net/bridge/br_stp_if.c:39) [ 13.661427][ T270] new_nbp (net/bridge/br_if.c:449) [ 13.661431][ T270] br_add_if (net/bridge/br_if.c:592) [ 13.661433][ T270] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 13.661437][ T270] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 13.661442][ T270] do_set_master (net/core/rtnetlink.c:3071) [ 13.661444][ T270] ? netif_change_flags (net/core/dev.c:9882) [ 13.661448][ T270] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.661452][ T270] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 13.661455][ T270] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 13.661456][ T270] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 13.661459][ T270] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 13.661463][ T270] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.661465][ T270] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.661467][ T270] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.661469][ T270] ? kasan_save_stack (mm/kasan/common.c:58) [ 13.661472][ T270] ? kasan_save_stack (mm/kasan/common.c:57) [ 13.661473][ T270] ? kasan_save_track (mm/kasan/common.c:78) [ 13.661474][ T270] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 13.661477][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.661479][ T270] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 13.661481][ T270] ? ___sys_sendmsg (net/socket.c:2758) [ 13.661485][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.661487][ T270] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.661490][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.661492][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.661493][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.661494][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.661496][ T270] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 13.661499][ 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) [ 13.661500][ T270] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 13.661502][ T270] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.661505][ T270] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 13.661507][ T270] ? nla_get_range_signed (lib/nlattr.c:270) [ 13.661512][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.661514][ T270] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 13.661519][ T270] rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.661525][ T270] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.661527][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.661531][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.661533][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.661536][ T270] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.661537][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.661541][ T270] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.661544][ T270] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.661547][ T270] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.661548][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.661553][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.661555][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.661558][ T270] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 13.661562][ T270] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.661565][ T270] ? netlink_ack (./include/linux/skbuff.h:2718) [ 13.661571][ 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)) [ 13.661573][ 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)) [ 13.661578][ T270] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 13.661582][ T270] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.661584][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.661589][ T270] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 13.661593][ T270] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.661597][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.661599][ T270] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 13.661604][ T270] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 13.661607][ T270] ____sys_sendmsg (net/socket.c:2713) [ 13.661609][ T270] ? copy_msghdr_from_user (net/socket.c:2650) [ 13.661612][ T270] ? sock_write_iter (net/socket.c:1269) [ 13.661613][ T270] ? move_addr_to_kernel (net/socket.c:258) [ 13.661621][ T270] ___sys_sendmsg (net/socket.c:2767) [ 13.661624][ T270] ? copy_msghdr_from_user (net/socket.c:2619) [ 13.661640][ T270] __sys_sendmsg (net/socket.c:2799) [ 13.661643][ T270] ? __sys_sendmsg_sock (net/socket.c:2780) [ 13.661649][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.661652][ T270] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.661655][ T270] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.661658][ T270] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.661661][ T270] RIP: 0033:0x7f387787454e [ 13.661665][ 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 [ 13.661666][ T270] RSP: 002b:00007ffd80e54ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.661669][ T270] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f387787454e [ 13.661670][ T270] RDX: 0000000000000000 RSI: 00007ffd80e54d90 RDI: 0000000000000005 [ 13.661671][ T270] RBP: 00007ffd80e54cf0 R08: 0000000000000000 R09: 0000000000000000 [ 13.661672][ T270] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91809e [ 13.661673][ T270] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd80e55460 | [ 14.688391][ T295] softirqs last disabled at (25308): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 14.688393][ T295] Preemption disabled at: | [ 14.688393][ T295] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.688408][ T295] Tainted: [W]=WARN [ 14.688409][ T295] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.688411][ T295] Call Trace: [ 14.688412][ T295] [ 14.688414][ T295] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.688420][ T295] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.688422][ T295] __might_resched.cold (kernel/sched/core.c:9234) [ 14.688427][ T295] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.688431][ T295] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.688436][ T295] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.688438][ T295] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.688444][ T295] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.688447][ T295] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.688451][ T295] put_chars (drivers/char/virtio_console.c:1176) [ 14.688454][ T295] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.688455][ T295] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.688458][ T295] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.688461][ T295] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.688466][ T295] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.688470][ T295] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.688476][ T295] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.688479][ T295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.688484][ T295] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.688488][ T295] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.688490][ T295] ? 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)) [ 14.688493][ T295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.688495][ T295] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.688499][ T295] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.688504][ T295] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.688506][ T295] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.688511][ T295] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.688514][ T295] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.688516][ T295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.688518][ T295] ? 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) [ 14.688522][ T295] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.688524][ T295] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.688526][ T295] vprintk_emit (kernel/printk/printk.c:2479) [ 14.688530][ T295] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.688531][ T295] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.688534][ T295] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 14.688538][ T295] _printk (kernel/printk/printk.c:2504) [ 14.688542][ T295] ? snapshot_read.cold (user.c:?) [ 14.688545][ T295] ? br_multicast_flood (??:?) [ 14.688549][ T295] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 14.688550][ T295] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 14.688551][ T295] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.688555][ T295] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 14.688560][ T295] br_init_port (net/bridge/br_stp_if.c:39) [ 14.688563][ T295] new_nbp (net/bridge/br_if.c:449) [ 14.688567][ T295] br_add_if (net/bridge/br_if.c:592) [ 14.688568][ T295] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 14.688576][ T295] do_set_master (net/core/rtnetlink.c:3071) [ 14.688581][ T295] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 14.688584][ T295] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 14.688586][ T295] ? __dev_get_by_name (net/core/dev.c:905) [ 14.688588][ T295] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 14.688598][ T295] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 14.688605][ T295] rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.688610][ T295] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.688612][ T295] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.688619][ T295] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.688623][ T295] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.688625][ T295] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.688629][ T295] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.688630][ T295] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.688635][ T295] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.688637][ T295] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.688641][ T295] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.688644][ T295] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.688647][ T295] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.688653][ T295] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 14.688655][ T295] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 14.688660][ T295] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.688664][ T295] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.688670][ T295] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.688674][ T295] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.688678][ T295] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.688680][ T295] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 14.688686][ T295] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 14.688690][ T295] ____sys_sendmsg (net/socket.c:2713) [ 14.688692][ T295] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.688694][ T295] ? sock_write_iter (net/socket.c:1269) [ 14.688696][ T295] ? move_addr_to_kernel (net/socket.c:258) [ 14.688701][ T295] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 14.688703][ T295] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.688707][ T295] ___sys_sendmsg (net/socket.c:2767) [ 14.688709][ T295] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 14.688712][ T295] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.688714][ T295] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 14.688730][ T295] __sys_sendmsg (net/socket.c:2799) [ 14.688733][ T295] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.688739][ T295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.688740][ T295] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.688744][ T295] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.688748][ T295] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.688751][ T295] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.688753][ T295] RIP: 0033:0x7f254108254e [ 14.688757][ T295] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 14.688759][ T295] RSP: 002b:00007ffedf1d0910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.688761][ T295] RAX: ffffffffffffffda RBX: 00007ffedf1d10d8 RCX: 00007f254108254e [ 14.688763][ T295] RDX: 0000000000000000 RSI: 00007ffedf1d09c0 RDI: 0000000000000005 [ 14.688764][ T295] RBP: 00007ffedf1d0920 R08: 0000000000000000 R09: 0000000000000000 [ 14.688764][ T295] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91809f [ 14.688765][ T295] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedf1d1090 | [ 20.302891][ T312] softirqs last disabled at (17217): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 20.302894][ T312] Preemption disabled at: | [ 20.302894][ T312] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.302903][ T312] Tainted: [W]=WARN [ 20.302904][ T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.302905][ T312] Call Trace: [ 20.302907][ T312] [ 20.302908][ T312] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.302915][ T312] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.302918][ T312] __might_resched.cold (kernel/sched/core.c:9234) [ 20.302923][ T312] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.302927][ T312] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.302932][ T312] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 20.302934][ T312] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.302941][ T312] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 20.302943][ T312] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.302947][ T312] put_chars (drivers/char/virtio_console.c:1176) [ 20.302949][ T312] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 20.302951][ T312] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.302954][ T312] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.302957][ T312] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.302962][ T312] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.302966][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.302968][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.302973][ T312] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.302974][ T312] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 20.302978][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.302980][ T312] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.302986][ T312] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.302992][ T312] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.302994][ T312] ? 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)) [ 20.302999][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.303001][ T312] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.303005][ T312] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.303009][ T312] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.303011][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.303017][ T312] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.303020][ T312] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.303022][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.303023][ T312] ? 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) [ 20.303027][ T312] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.303029][ T312] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.303031][ T312] vprintk_emit (kernel/printk/printk.c:2479) [ 20.303035][ T312] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.303040][ T312] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 20.303043][ T312] _printk (kernel/printk/printk.c:2504) [ 20.303049][ T312] ? snapshot_read.cold (user.c:?) [ 20.303056][ T312] ? 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) [ 20.303060][ T312] gact_init_module (net/sched/act_gact.c:180) act_gact [ 20.303062][ T312] do_one_initcall (init/main.c:1357) [ 20.303065][ T312] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 20.303070][ T312] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 20.303072][ T312] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 20.303078][ T312] do_init_module (kernel/module/main.c:3117) [ 20.303081][ T312] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.303085][ T312] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 20.303088][ T312] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 20.303092][ T312] load_module (kernel/module/main.c:3593) [ 20.303098][ T312] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 20.303104][ T312] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 20.303108][ T312] ? __ia32_sys_fsconfig (??:?) [ 20.303112][ T312] ? backing_file_read_iter (fs/backing-file.c:211) [ 20.303116][ T312] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.303119][ T312] init_module_from_file (kernel/module/main.c:3790) [ 20.303122][ T312] ? __do_sys_init_module (kernel/module/main.c:3664) [ 20.303129][ T312] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.303133][ T312] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 20.303136][ T312] idempotent_init_module (kernel/module/main.c:3802) [ 20.303139][ T312] ? init_module_from_file (kernel/module/main.c:3791) [ 20.303144][ T312] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 20.303147][ T312] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 20.303152][ T312] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 20.303154][ T312] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.303158][ T312] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.303161][ T312] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.303163][ T312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.303165][ T312] RIP: 0033:0x7fa7d9a4137d [ 20.303169][ T312] 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 [ 20.303170][ T312] RSP: 002b:00007ffee1aff6c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 20.303173][ T312] RAX: ffffffffffffffda RBX: 000056205955c810 RCX: 00007fa7d9a4137d [ 20.303175][ T312] RDX: 0000000000000000 RSI: 0000562037944ffd RDI: 0000000000000000 [ 20.303176][ T312] RBP: 00007ffee1aff760 R08: 0000000000000000 R09: 0000000000000000 [ 20.303177][ T312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562037944ffd [ 20.303177][ T312] R13: 000056205955c960 R14: 0000000000040000 R15: 0000000000000000 | [ 26.801975][ T70] softirqs last disabled at (33336): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 26.801977][ T70] Preemption disabled at: | [ 26.801978][ T70] 0x0 | [ 26.801989][ T70] Tainted: [W]=WARN [ 26.801989][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.801991][ T70] Workqueue: netns cleanup_net [ 26.801995][ T70] Call Trace: [ 26.801996][ T70] [ 26.801999][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.802005][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 26.802010][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.802014][ T70] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.802019][ T70] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 26.802021][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.802028][ T70] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 26.802030][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.802034][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 26.802037][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.802044][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.802052][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.802056][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.802060][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.802065][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.802067][ T70] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 26.802070][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.802073][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.802077][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.802082][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.802084][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.802090][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.802093][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.802094][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.802096][ T70] ? 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) [ 26.802100][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.802102][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.802105][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 26.802109][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.802110][ T70] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 26.802116][ T70] _printk (kernel/printk/printk.c:2504) [ 26.802120][ T70] ? snapshot_read.cold (user.c:?) [ 26.802128][ T70] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 26.802133][ T70] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 26.802137][ T70] br_device_event (net/bridge/br.c:111) [ 26.802139][ T70] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 26.802143][ T70] ? packet_sendmsg_spkt (af_packet.c:?) [ 26.802149][ T70] notifier_call_chain (kernel/notifier.c:85) [ 26.802156][ T70] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 26.802159][ T70] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 26.802162][ T70] ? __dev_close_many (net/core/dev.c:1804) [ 26.802166][ T70] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 26.802170][ T70] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 26.802173][ T70] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 26.802175][ T70] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 26.802177][ T70] ? kthread (kernel/kthread.c:436) [ 26.802179][ T70] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 26.802182][ T70] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 26.802185][ T70] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 26.802188][ T70] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 26.802194][ T70] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 26.802198][ T70] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 26.802200][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.802203][ T70] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 26.802208][ T70] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 26.802211][ T70] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 26.802214][ T70] ? netns_install (./include/linux/ns_common.h:26) [ 26.802216][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.802219][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 26.802224][ T70] cleanup_net (net/core/net_namespace.c:706) [ 26.802227][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 26.802231][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.802233][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.802237][ T70] process_one_work (kernel/workqueue.c:3387) [ 26.802244][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 26.802247][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.802255][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 26.802260][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.802262][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 26.802265][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.802268][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.802270][ T70] kthread (kernel/kthread.c:436) [ 26.802272][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.802275][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 26.802278][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 26.802281][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 26.802285][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 26.802288][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 26.802291][ T70] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 30.254098][ T557] softirqs last disabled at (17014): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 30.254101][ T557] Preemption disabled at: | [ 30.254103][ T557] vprintk_emit (kernel/printk/printk.c:2471) | [ 30.254114][ T557] Tainted: [W]=WARN [ 30.254115][ T557] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.254118][ T557] Call Trace: [ 30.254119][ T557] [ 30.254122][ T557] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.254130][ T557] ? vprintk_emit (kernel/printk/printk.c:2471) [ 30.254132][ T557] __might_resched.cold (kernel/sched/core.c:9234) [ 30.254139][ T557] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.254145][ T557] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 30.254151][ T557] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 30.254155][ T557] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.254165][ T557] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 30.254169][ T557] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.254174][ T557] put_chars (drivers/char/virtio_console.c:1176) [ 30.254178][ T557] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.254181][ T557] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.254186][ T557] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 30.254196][ T557] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.254209][ T557] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.254214][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.254217][ T557] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.254224][ T557] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.254230][ T557] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.254233][ T557] ? 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)) [ 30.254239][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.254242][ T557] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.254249][ T557] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.254256][ T557] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.254259][ T557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.254269][ T557] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.254273][ T557] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.254276][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.254279][ T557] ? 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) [ 30.254286][ T557] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.254288][ T557] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.254293][ T557] vprintk_emit (kernel/printk/printk.c:2479) [ 30.254300][ T557] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.254303][ T557] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.254307][ T557] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 30.254314][ T557] _printk (kernel/printk/printk.c:2504) [ 30.254319][ T557] ? snapshot_read.cold (user.c:?) [ 30.254325][ T557] ? br_multicast_flood (??:?) [ 30.254328][ T557] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 30.254331][ T557] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 30.254333][ T557] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 30.254341][ T557] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 30.254348][ T557] br_init_port (net/bridge/br_stp_if.c:39) [ 30.254353][ T557] new_nbp (net/bridge/br_if.c:449) [ 30.254365][ T557] br_add_if (net/bridge/br_if.c:592) [ 30.254369][ T557] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 30.254375][ T557] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 30.254384][ T557] do_set_master (net/core/rtnetlink.c:3071) [ 30.254387][ T557] ? netif_change_flags (net/core/dev.c:9882) [ 30.254394][ T557] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 30.254400][ T557] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 30.254405][ T557] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 30.254407][ T557] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 30.254411][ T557] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 30.254416][ T557] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.254419][ T557] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.254422][ T557] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 30.254426][ T557] ? kasan_save_stack (mm/kasan/common.c:58) [ 30.254429][ T557] ? kasan_save_stack (mm/kasan/common.c:57) [ 30.254432][ T557] ? kasan_save_track (mm/kasan/common.c:78) [ 30.254434][ T557] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 30.254438][ T557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.254441][ T557] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 30.254445][ T557] ? ___sys_sendmsg (net/socket.c:2758) [ 30.254452][ T557] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.254455][ T557] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 30.254459][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.254463][ T557] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.254465][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.254467][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.254470][ T557] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 30.254474][ T557] ? __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) [ 30.254477][ T557] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 30.254487][ T557] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 30.254493][ T557] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 30.254495][ T557] ? nla_get_range_signed (lib/nlattr.c:270) [ 30.254504][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.254508][ T557] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 30.254518][ T557] rtnl_newlink (net/core/rtnetlink.c:4215) [ 30.254528][ T557] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 30.254531][ T557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.254539][ T557] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.254542][ T557] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.254546][ T557] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 30.254550][ T557] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.254557][ T557] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 30.254560][ T557] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 30.254566][ T557] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.254568][ T557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.254576][ T557] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.254579][ T557] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.254586][ T557] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 30.254590][ T557] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.254595][ T557] ? netlink_ack (./include/linux/skbuff.h:2718) [ 30.254607][ T557] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 30.254610][ T557] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 30.254618][ T557] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.254625][ T557] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.254629][ T557] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.254637][ T557] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.254644][ T557] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.254651][ T557] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.254654][ T557] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 30.254662][ T557] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 30.254667][ T557] ____sys_sendmsg (net/socket.c:2713) [ 30.254671][ T557] ? copy_msghdr_from_user (net/socket.c:2650) [ 30.254675][ T557] ? sock_write_iter (net/socket.c:1269) [ 30.254677][ T557] ? move_addr_to_kernel (net/socket.c:258) [ 30.254691][ T557] ___sys_sendmsg (net/socket.c:2767) [ 30.254696][ T557] ? copy_msghdr_from_user (net/socket.c:2619) [ 30.254726][ T557] __sys_sendmsg (net/socket.c:2799) [ 30.254730][ T557] ? __sys_sendmsg_sock (net/socket.c:2780) [ 30.254742][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.254747][ T557] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.254751][ T557] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.254756][ T557] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.254759][ T557] RIP: 0033:0x7fa62729f54e [ 30.254764][ T557] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 30.254766][ T557] RSP: 002b:00007ffde41bb160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.254771][ T557] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa62729f54e [ 30.254773][ T557] RDX: 0000000000000000 RSI: 00007ffde41bb210 RDI: 0000000000000005 [ 30.254774][ T557] RBP: 00007ffde41bb170 R08: 0000000000000000 R09: 0000000000000000 [ 30.254776][ T557] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9180af [ 30.254777][ T557] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde41bb8e0 | [ 31.261361][ T581] softirqs last disabled at (23462): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 31.261364][ T581] Preemption disabled at: | [ 31.261365][ T581] vprintk_emit (kernel/printk/printk.c:2471) | [ 31.261376][ T581] Tainted: [W]=WARN [ 31.261378][ T581] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.261380][ T581] Call Trace: [ 31.261382][ T581] [ 31.261384][ T581] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.261392][ T581] ? vprintk_emit (kernel/printk/printk.c:2471) [ 31.261395][ T581] __might_resched.cold (kernel/sched/core.c:9234) [ 31.261402][ T581] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.261407][ T581] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 31.261414][ T581] __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)) [ 31.261417][ T581] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.261427][ T581] ? 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) [ 31.261431][ T581] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.261437][ T581] put_chars (drivers/char/virtio_console.c:1176) [ 31.261441][ T581] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.261443][ T581] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 31.261448][ T581] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 31.261451][ T581] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 31.261459][ T581] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.261463][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.261472][ T581] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.261477][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.261489][ T581] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.261495][ T581] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.261498][ T581] ? 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)) [ 31.261503][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.261506][ T581] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.261512][ T581] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.261518][ T581] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.261521][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.261530][ T581] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.261534][ T581] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.261536][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.261539][ T581] ? 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) [ 31.261545][ T581] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.261547][ T581] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.261552][ T581] vprintk_emit (kernel/printk/printk.c:2479) [ 31.261557][ T581] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.261560][ T581] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.261564][ T581] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 31.261569][ T581] _printk (kernel/printk/printk.c:2504) [ 31.261574][ T581] ? snapshot_read.cold (user.c:?) [ 31.261580][ T581] ? br_multicast_flood (??:?) [ 31.261583][ T581] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 31.261585][ T581] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 31.261587][ T581] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 31.261594][ T581] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 31.261600][ T581] br_init_port (net/bridge/br_stp_if.c:39) [ 31.261604][ T581] new_nbp (net/bridge/br_if.c:449) [ 31.261610][ T581] br_add_if (net/bridge/br_if.c:592) [ 31.261612][ T581] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 31.261624][ T581] do_set_master (net/core/rtnetlink.c:3071) [ 31.261630][ T581] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 31.261635][ T581] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 31.261638][ T581] ? __dev_get_by_name (net/core/dev.c:905) [ 31.261641][ T581] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 31.261655][ T581] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 31.261666][ T581] rtnl_newlink (net/core/rtnetlink.c:4215) [ 31.261676][ T581] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.261678][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.261689][ T581] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.261695][ T581] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.261698][ T581] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 31.261703][ T581] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.261705][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.261712][ T581] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.261715][ T581] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.261720][ T581] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 31.261724][ T581] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.261729][ T581] ? netlink_ack (./include/linux/skbuff.h:2718) [ 31.261738][ T581] ? 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)) [ 31.261741][ T581] ? 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)) [ 31.261748][ T581] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 31.261754][ T581] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 31.261762][ T581] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 31.261768][ T581] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 31.261773][ T581] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.261775][ T581] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 31.261783][ T581] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 31.261788][ T581] ____sys_sendmsg (net/socket.c:2713) [ 31.261791][ T581] ? copy_msghdr_from_user (net/socket.c:2650) [ 31.261794][ T581] ? sock_write_iter (net/socket.c:1269) [ 31.261797][ T581] ? move_addr_to_kernel (net/socket.c:258) [ 31.261803][ T581] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 31.261806][ T581] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.261812][ T581] ___sys_sendmsg (net/socket.c:2767) [ 31.261814][ T581] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 31.261818][ T581] ? copy_msghdr_from_user (net/socket.c:2619) [ 31.261821][ T581] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 31.261844][ T581] __sys_sendmsg (net/socket.c:2799) [ 31.261849][ T581] ? __sys_sendmsg_sock (net/socket.c:2780) [ 31.261857][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.261859][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.261864][ T581] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.261868][ T581] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.261872][ T581] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.261875][ T581] RIP: 0033:0x7f4c0a94254e [ 31.261880][ T581] 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 [ 31.261882][ T581] RSP: 002b:00007ffc7afdfc70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 31.261886][ T581] RAX: ffffffffffffffda RBX: 00007ffc7afe0438 RCX: 00007f4c0a94254e [ 31.261887][ T581] RDX: 0000000000000000 RSI: 00007ffc7afdfd20 RDI: 0000000000000005 [ 31.261888][ T581] RBP: 00007ffc7afdfc80 R08: 0000000000000000 R09: 0000000000000000 [ 31.261889][ T581] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9180b0 [ 31.261891][ T581] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7afe03f0 | [ 38.337457][ T70] softirqs last disabled at (252938): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 38.337460][ T70] Preemption disabled at: | [ 38.337460][ T70] 0x0 | [ 38.337471][ T70] Tainted: [W]=WARN [ 38.337472][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.337474][ T70] Workqueue: netns cleanup_net [ 38.337477][ T70] Call Trace: [ 38.337479][ T70] [ 38.337481][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.337488][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 38.337493][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.337497][ T70] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 38.337502][ T70] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 38.337504][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.337510][ T70] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 38.337513][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.337517][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 38.337520][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.337532][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.337540][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.337544][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.337549][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.337553][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.337555][ T70] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 38.337559][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.337562][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.337566][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.337570][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.337572][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.337579][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.337582][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.337584][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.337586][ T70] ? 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) [ 38.337590][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.337592][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.337595][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 38.337598][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.337600][ T70] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 38.337602][ T70] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.337605][ T70] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.337609][ T70] _printk (kernel/printk/printk.c:2504) [ 38.337613][ T70] ? snapshot_read.cold (user.c:?) [ 38.337622][ T70] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 38.337627][ T70] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 38.337630][ T70] br_device_event (net/bridge/br.c:111) [ 38.337633][ T70] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 38.337637][ T70] ? packet_sendmsg_spkt (af_packet.c:?) [ 38.337643][ T70] notifier_call_chain (kernel/notifier.c:85) [ 38.337649][ T70] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 38.337653][ T70] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 38.337656][ T70] ? __dev_close_many (net/core/dev.c:1804) [ 38.337660][ T70] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 38.337664][ T70] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 38.337667][ T70] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 38.337669][ T70] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 38.337671][ T70] ? kthread (kernel/kthread.c:436) [ 38.337673][ T70] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 38.337676][ T70] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 38.337679][ T70] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 38.337682][ T70] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 38.337689][ T70] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 38.337692][ T70] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 38.337695][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.337698][ T70] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 38.337702][ T70] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 38.337706][ T70] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 38.337709][ T70] ? netns_install (./include/linux/ns_common.h:26) [ 38.337711][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.337714][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 38.337719][ T70] cleanup_net (net/core/net_namespace.c:706) [ 38.337722][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 38.337726][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.337728][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.337732][ T70] process_one_work (kernel/workqueue.c:3387) [ 38.337739][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 38.337742][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.337751][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 38.337755][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.337757][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 38.337760][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.337763][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.337765][ T70] kthread (kernel/kthread.c:436) [ 38.337767][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.337771][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.337774][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 38.337777][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 38.337780][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 38.337784][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.337787][ T70] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 42.212016][ T757] softirqs last disabled at (23242): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 42.212018][ T757] Preemption disabled at: | [ 42.212019][ T757] vprintk_emit (kernel/printk/printk.c:2471) | [ 42.212027][ T757] Tainted: [W]=WARN [ 42.212028][ T757] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.212030][ T757] Call Trace: [ 42.212031][ T757] [ 42.212033][ T757] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.212039][ T757] ? vprintk_emit (kernel/printk/printk.c:2471) [ 42.212041][ T757] __might_resched.cold (kernel/sched/core.c:9234) [ 42.212045][ T757] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.212049][ 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) [ 42.212054][ 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)) [ 42.212056][ T757] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.212063][ 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) [ 42.212065][ T757] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.212069][ T757] put_chars (drivers/char/virtio_console.c:1176) [ 42.212072][ T757] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.212073][ T757] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.212076][ T757] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 42.212082][ T757] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.212090][ T757] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.212093][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.212095][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.212099][ T757] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.212103][ T757] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.212105][ 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)) [ 42.212108][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.212110][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.212114][ T757] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.212118][ T757] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.212120][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.212125][ T757] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.212128][ T757] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.212130][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.212132][ 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) [ 42.212136][ T757] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.212137][ T757] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.212140][ T757] vprintk_emit (kernel/printk/printk.c:2479) [ 42.212143][ T757] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.212145][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.212148][ T757] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 42.212152][ T757] _printk (kernel/printk/printk.c:2504) [ 42.212156][ T757] ? snapshot_read.cold (user.c:?) [ 42.212159][ T757] ? br_multicast_flood (??:?) [ 42.212162][ T757] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 42.212164][ T757] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 42.212165][ T757] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 42.212169][ T757] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 42.212174][ T757] br_init_port (net/bridge/br_stp_if.c:39) [ 42.212176][ T757] new_nbp (net/bridge/br_if.c:449) [ 42.212180][ T757] br_add_if (net/bridge/br_if.c:592) [ 42.212183][ T757] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 42.212187][ T757] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 42.212192][ T757] do_set_master (net/core/rtnetlink.c:3071) [ 42.212194][ T757] ? netif_change_flags (net/core/dev.c:9882) [ 42.212198][ T757] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 42.212202][ T757] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 42.212205][ T757] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 42.212207][ T757] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 42.212209][ T757] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 42.212213][ T757] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.212215][ T757] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.212216][ T757] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 42.212219][ T757] ? kasan_save_stack (mm/kasan/common.c:58) [ 42.212221][ T757] ? kasan_save_stack (mm/kasan/common.c:57) [ 42.212222][ T757] ? kasan_save_track (mm/kasan/common.c:78) [ 42.212224][ T757] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 42.212226][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.212228][ T757] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 42.212231][ T757] ? ___sys_sendmsg (net/socket.c:2758) [ 42.212235][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.212237][ T757] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 42.212239][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.212241][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.212243][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.212244][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.212246][ T757] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 42.212248][ 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) [ 42.212251][ T757] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 42.212253][ T757] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 42.212256][ T757] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 42.212257][ T757] ? nla_get_range_signed (lib/nlattr.c:270) [ 42.212263][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.212265][ T757] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 42.212270][ T757] rtnl_newlink (net/core/rtnetlink.c:4215) [ 42.212276][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.212278][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.212282][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.212284][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.212287][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.212288][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.212292][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.212294][ T757] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 42.212297][ T757] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.212299][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.212303][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.212305][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.212309][ T757] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 42.212312][ T757] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.212315][ T757] ? netlink_ack (./include/linux/skbuff.h:2718) [ 42.212322][ 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)) [ 42.212324][ 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)) [ 42.212328][ T757] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 42.212332][ T757] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 42.212335][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.212339][ T757] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 42.212343][ T757] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 42.212347][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.212349][ T757] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 42.212355][ T757] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 42.212362][ T757] ____sys_sendmsg (net/socket.c:2713) [ 42.212364][ T757] ? copy_msghdr_from_user (net/socket.c:2650) [ 42.212367][ T757] ? sock_write_iter (net/socket.c:1269) [ 42.212368][ T757] ? move_addr_to_kernel (net/socket.c:258) [ 42.212376][ T757] ___sys_sendmsg (net/socket.c:2767) [ 42.212379][ T757] ? copy_msghdr_from_user (net/socket.c:2619) [ 42.212395][ T757] __sys_sendmsg (net/socket.c:2799) [ 42.212398][ T757] ? __sys_sendmsg_sock (net/socket.c:2780) [ 42.212404][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.212407][ T757] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 42.212411][ T757] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 42.212413][ T757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.212416][ T757] RIP: 0033:0x7fa6a696e54e [ 42.212420][ 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 [ 42.212422][ T757] RSP: 002b:00007ffd7678c410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 42.212424][ T757] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa6a696e54e [ 42.212426][ T757] RDX: 0000000000000000 RSI: 00007ffd7678c4c0 RDI: 0000000000000005 [ 42.212427][ T757] RBP: 00007ffd7678c420 R08: 0000000000000000 R09: 0000000000000000 [ 42.212428][ T757] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9180bb [ 42.212429][ T757] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7678cb90 | [ 57.801472][ C0] softirqs last disabled at (1938605): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 57.801474][ C0] Preemption disabled at: | [ 57.801475][ C0] schedule_preempt_disabled (kernel/sched/core.c:7420) | [ 57.801486][ C0] Tainted: [W]=WARN [ 57.801487][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 57.801489][ C0] Call Trace: [ 57.801490][ C0] [ 57.801492][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 57.801498][ C0] ? schedule_preempt_disabled (kernel/sched/core.c:7420) [ 57.801500][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 57.801503][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 57.801506][ C0] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 57.801510][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.801513][ C0] __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)) [ 57.801516][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 57.801519][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 57.801523][ C0] ? 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) [ 57.801525][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 57.801528][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 57.801529][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 57.801531][ C0] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 57.801534][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 57.801539][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 57.801541][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.801542][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.801545][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 57.801548][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 57.801550][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.801551][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.801552][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.801554][ C0] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 57.801556][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 57.801558][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 57.801561][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 57.801563][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.801564][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 57.801566][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.801567][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 57.801569][ C0] ? 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) [ 57.801571][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 57.801573][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 57.801575][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 57.801576][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 57.801577][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.801579][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 57.801580][ C0] ? x86_64_start_kernel (./arch/x86/include/asm/page_64.h:103 ./arch/x86/include/asm/page_64.h:114 arch/x86/kernel/head64.c:255) [ 57.801585][ C0] _printk (kernel/printk/printk.c:2504) [ 57.801588][ C0] ? snapshot_read.cold (user.c:?) [ 57.801589][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 57.801592][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 57.801594][ C0] ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723) [ 57.801596][ C0] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1)) [ 57.801599][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 57.801602][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 57.801604][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 57.801606][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 57.801608][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 57.801610][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 57.801613][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.801614][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.801616][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 57.801617][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 57.801619][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 57.801620][ C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 57.801622][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 57.801623][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 57.801632][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 57.801634][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 57.801637][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 57.801639][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 57.801641][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.801643][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 57.801645][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 57.801647][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 57.801648][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 57.801651][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 57.801654][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 57.801656][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 57.801658][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 57.801661][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.801662][ C0] handle_softirqs (kernel/softirq.c:645) [ 57.801664][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 57.801666][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 57.801668][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 57.801669][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 57.801671][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 57.801673][ C0] [ 57.801674][ C0] [ 57.801674][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 57.801676][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 57.801678][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 57.801681][ C0] 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 [ 57.801683][ C0] RSP: 0018:ffffffff92e07cf8 EFLAGS: 00000296 [ 57.801685][ C0] RAX: 00000000001d94ab RBX: ffffffff92e30600 RCX: ffffffff8f506247 [ 57.801687][ C0] RDX: ffffffff92e30600 RSI: ffffffff92711011 RDI: ffffffff920949e0 [ 57.801688][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 57.801688][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff25c0fa2 [ 57.801689][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 57.801691][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 57.801694][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 57.801696][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 57.801698][ C0] default_idle_call (kernel/sched/idle.c:122) [ 57.801699][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 57.801701][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 57.801703][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 57.801705][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 57.801707][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.801708][ C0] do_idle (kernel/sched/idle.c:355) [ 57.801710][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 57.801711][ C0] rest_init (init/main.c:727) [ 57.801713][ C0] ? __cpuidle_text_end (??:?) [ 57.801716][ C0] ? rest_init (init/main.c:727) [ 57.801717][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 57.801721][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 57.801722][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 57.801724][ C0] start_kernel (init/main.c:1185) [ 57.801727][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 57.801729][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 57.801731][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 57.871162][ C0] | [ 57.871236][ C0] | [ 57.871236][ C0] stack backtrace: | [ 57.871423][ C0] Tainted: [W]=WARN [ 57.871424][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 57.871425][ C0] Call Trace: [ 57.871426][ C0] [ 57.871427][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 57.871432][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 57.871436][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 57.871439][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 57.871441][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 57.871443][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 57.871445][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 57.871447][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 57.871449][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.871451][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.871453][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 57.871455][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 57.871456][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 57.871457][ C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 57.871459][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 57.871460][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 57.871462][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 57.871464][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 57.871468][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 57.871469][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 57.871471][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.871473][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 57.871475][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 57.871477][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 57.871479][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 57.871481][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 57.871484][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 57.871486][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 57.871488][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 57.871491][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.871492][ C0] handle_softirqs (kernel/softirq.c:645) [ 57.871494][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 57.871496][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 57.871498][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 57.871500][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 57.871501][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 57.871503][ C0] [ 57.871503][ C0] [ 57.871504][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 57.871506][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 57.871507][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 57.871510][ C0] 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 [ 57.871511][ C0] RSP: 0018:ffffffff92e07cf8 EFLAGS: 00000296 [ 57.871514][ C0] RAX: 00000000001d94ab RBX: ffffffff92e30600 RCX: ffffffff8f506247 [ 57.871515][ C0] RDX: ffffffff92e30600 RSI: ffffffff92711011 RDI: ffffffff920949e0 [ 57.871516][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 57.871517][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff25c0fa2 [ 57.871518][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 57.871519][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 57.871522][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 57.871523][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 57.871525][ C0] default_idle_call (kernel/sched/idle.c:122) [ 57.871526][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 57.871528][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 57.871530][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 57.871532][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 57.871533][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.871535][ C0] do_idle (kernel/sched/idle.c:355) [ 57.871536][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 57.871538][ C0] rest_init (init/main.c:727) [ 57.871540][ C0] ? __cpuidle_text_end (??:?) [ 57.871542][ C0] ? rest_init (init/main.c:727) [ 57.871544][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 57.871548][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 57.871549][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 57.871551][ C0] start_kernel (init/main.c:1185) [ 57.871553][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 57.871555][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 57.871557][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 62.608138][ T70] softirqs last disabled at (465058): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 62.608140][ T70] Preemption disabled at: | [ 62.608140][ T70] 0x0 | [ 62.608150][ T70] Tainted: [W]=WARN [ 62.608151][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 62.608153][ T70] Workqueue: netns cleanup_net [ 62.608158][ T70] Call Trace: [ 62.608160][ T70] [ 62.608161][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 62.608167][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 62.608171][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 62.608175][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.608177][ T70] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 62.608180][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 62.608183][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.608187][ T70] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 62.608189][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.608192][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 62.608193][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 62.608194][ T70] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 62.608197][ T70] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 62.608200][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 62.608205][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 62.608207][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 62.608208][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.608211][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 62.608214][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 62.608215][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.608216][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.608217][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.608218][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.608220][ T70] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 62.608222][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 62.608224][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 62.608227][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 62.608229][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.608230][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 62.608232][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.608233][ T70] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 62.608234][ T70] ? 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) [ 62.608236][ T70] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 62.608237][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 62.608239][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 62.608240][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 62.608242][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 62.608243][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.608244][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 62.608247][ T70] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 62.608249][ T70] _printk (kernel/printk/printk.c:2504) [ 62.608252][ T70] ? snapshot_read.cold (user.c:?) [ 62.608254][ T70] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 62.608257][ T70] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 62.608261][ T70] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 62.608263][ T70] br_device_event (net/bridge/br.c:111) [ 62.608265][ T70] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 62.608267][ T70] ? packet_sendmsg_spkt (af_packet.c:?) [ 62.608269][ T70] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 62.608272][ T70] notifier_call_chain (kernel/notifier.c:85) [ 62.608275][ T70] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 62.608277][ T70] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 62.608280][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.608281][ T70] ? __dev_close_many (net/core/dev.c:1804) [ 62.608283][ T70] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 62.608285][ T70] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 62.608287][ T70] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 62.608288][ T70] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 62.608291][ T70] ? kthread (kernel/kthread.c:436) [ 62.608293][ T70] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 62.608296][ T70] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 62.608298][ T70] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 62.608299][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.608300][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 62.608302][ T70] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 62.608304][ T70] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 62.608305][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.608307][ T70] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 62.608308][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 62.608310][ T70] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 62.608313][ T70] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 62.608315][ T70] ? netns_install (./include/linux/ns_common.h:26) [ 62.608317][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 62.608319][ T70] cleanup_net (net/core/net_namespace.c:706) [ 62.608321][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 62.608323][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.608325][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.608326][ T70] process_one_work (kernel/workqueue.c:3387) [ 62.608329][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 62.608331][ T70] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 62.608333][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 62.608335][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 62.608338][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 62.608339][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 62.608341][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 62.608343][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 62.608345][ T70] kthread (kernel/kthread.c:436) [ 62.608346][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 62.608348][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 62.608349][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 62.608351][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 62.608353][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 62.608357][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 62.608359][ T70] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 64.628417][ T1034] softirqs last disabled at (0): 0x0 | [ 64.628419][ T1034] Preemption disabled at: | [ 64.628420][ T1034] vprintk_emit (kernel/printk/printk.c:2471) | [ 64.628430][ T1034] Tainted: [W]=WARN [ 64.628431][ T1034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 64.628432][ T1034] Call Trace: [ 64.628434][ T1034] [ 64.628435][ T1034] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 64.628441][ T1034] ? vprintk_emit (kernel/printk/printk.c:2471) [ 64.628442][ T1034] __might_resched.cold (kernel/sched/core.c:9234) [ 64.628446][ T1034] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 64.628449][ T1034] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 64.628452][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.628455][ 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)) [ 64.628458][ T1034] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 64.628460][ T1034] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 64.628465][ 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) [ 64.628467][ T1034] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 64.628469][ T1034] put_chars (drivers/char/virtio_console.c:1176) [ 64.628471][ T1034] ? __send_to_port (drivers/char/virtio_console.c:654) [ 64.628473][ T1034] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 64.628476][ T1034] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 64.628480][ T1034] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 64.628482][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.628483][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.628486][ T1034] console_emit_next_record (kernel/printk/printk.c:3183) [ 64.628488][ T1034] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 64.628491][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.628491][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.628492][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.628493][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.628495][ T1034] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 64.628497][ T1034] console_flush_one_record (kernel/printk/printk.c:3268) [ 64.628500][ T1034] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 64.628502][ T1034] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 64.628504][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.628506][ T1034] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 64.628507][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.628508][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 64.628510][ 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) [ 64.628511][ T1034] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 64.628513][ T1034] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 64.628515][ T1034] ? vprintk_emit (kernel/printk/printk.c:2478) [ 64.628516][ T1034] vprintk_emit (kernel/printk/printk.c:2479) [ 64.628518][ T1034] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 64.628519][ T1034] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 64.628521][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 64.628524][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.628525][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.628526][ T1034] _printk (kernel/printk/printk.c:2504) [ 64.628530][ T1034] ? snapshot_read.cold (user.c:?) [ 64.628532][ T1034] ? br_multicast_flood (??:?) [ 64.628535][ T1034] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 64.628538][ T1034] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 64.628539][ T1034] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 64.628541][ T1034] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 64.628543][ T1034] br_init_port (net/bridge/br_stp_if.c:39) [ 64.628545][ T1034] new_nbp (net/bridge/br_if.c:449) [ 64.628547][ T1034] br_add_if (net/bridge/br_if.c:592) [ 64.628549][ T1034] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 64.628553][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 64.628556][ T1034] do_set_master (net/core/rtnetlink.c:3071) [ 64.628557][ T1034] ? netif_change_flags (net/core/dev.c:9882) [ 64.628559][ T1034] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 64.628561][ T1034] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 64.628563][ T1034] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 64.628564][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.628565][ T1034] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 64.628568][ T1034] ? kasan_save_stack (mm/kasan/common.c:58) [ 64.628570][ T1034] ? kasan_save_stack (mm/kasan/common.c:57) [ 64.628571][ T1034] ? kasan_save_track (mm/kasan/common.c:78) [ 64.628572][ T1034] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 64.628573][ T1034] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 64.628574][ T1034] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 64.628575][ T1034] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 64.628577][ T1034] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 64.628580][ T1034] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 64.628581][ T1034] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 64.628582][ T1034] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 64.628585][ T1034] ? ____sys_sendmsg (net/socket.c:2713) [ 64.628586][ T1034] ? ___sys_sendmsg (net/socket.c:2767) [ 64.628588][ T1034] ? __sys_sendmsg (net/socket.c:2799) [ 64.628589][ T1034] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 64.628593][ T1034] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 64.628595][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.628597][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.628598][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.628599][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.628600][ T1034] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 64.628601][ 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) [ 64.628603][ T1034] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 64.628604][ T1034] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 64.628606][ T1034] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 64.628607][ T1034] ? nla_get_range_signed (lib/nlattr.c:270) [ 64.628610][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.628612][ T1034] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 64.628614][ T1034] rtnl_newlink (net/core/rtnetlink.c:4215) [ 64.628616][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.628617][ T1034] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 64.628618][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.628620][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.628621][ T1034] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 64.628624][ T1034] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 64.628625][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 64.628626][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.628627][ T1034] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 64.628630][ T1034] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 64.628633][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.628634][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.628635][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.628636][ T1034] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 64.628638][ T1034] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 64.628639][ T1034] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 64.628640][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 64.628642][ T1034] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 64.628644][ T1034] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 64.628646][ T1034] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 64.628647][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 64.628649][ T1034] ? netlink_ack (./include/linux/skbuff.h:2718) [ 64.628650][ T1034] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 64.628653][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.628654][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 64.628656][ T1034] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 64.628658][ T1034] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 64.628660][ T1034] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 64.628667][ T1034] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 64.628669][ T1034] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 64.628671][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 64.628673][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.628674][ T1034] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 64.628677][ T1034] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 64.628679][ T1034] ____sys_sendmsg (net/socket.c:2713) [ 64.628681][ T1034] ? copy_msghdr_from_user (net/socket.c:2650) [ 64.628682][ T1034] ? sock_write_iter (net/socket.c:1269) [ 64.628684][ T1034] ? move_addr_to_kernel (net/socket.c:258) [ 64.628685][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 64.628688][ T1034] ___sys_sendmsg (net/socket.c:2767) [ 64.628690][ T1034] ? copy_msghdr_from_user (net/socket.c:2619) [ 64.628695][ T1034] __sys_sendmsg (net/socket.c:2799) [ 64.628697][ T1034] ? __sys_sendmsg_sock (net/socket.c:2780) [ 64.628699][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.628701][ T1034] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 64.628703][ T1034] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 64.628705][ T1034] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 64.628706][ T1034] RIP: 0033:0x7f496a17254e [ 64.628708][ 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 [ 64.628709][ T1034] RSP: 002b:00007fff28c998c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 64.628713][ T1034] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f496a17254e [ 64.628714][ T1034] RDX: 0000000000000000 RSI: 00007fff28c99970 RDI: 0000000000000005 [ 64.628715][ T1034] RBP: 00007fff28c998d0 R08: 0000000000000000 R09: 0000000000000000 [ 64.628716][ T1034] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9180d1 [ 64.628717][ T1034] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff28c9a040 | [ 71.625072][ T70] softirqs last disabled at (465058): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 71.625074][ T70] Preemption disabled at: | [ 71.625075][ T70] 0x0 | [ 71.625084][ T70] Tainted: [W]=WARN [ 71.625085][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 71.625087][ T70] Workqueue: netns cleanup_net [ 71.625092][ T70] Call Trace: [ 71.625093][ T70] [ 71.625095][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 71.625100][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 71.625104][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 71.625108][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.625111][ T70] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 71.625113][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 71.625117][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 71.625121][ T70] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 71.625122][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 71.625125][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 71.625127][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 71.625128][ T70] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 71.625131][ T70] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 71.625133][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 71.625138][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 71.625139][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 71.625141][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.625144][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 71.625146][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 71.625148][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.625149][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.625150][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.625151][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.625153][ T70] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 71.625155][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 71.625157][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 71.625160][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 71.625162][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.625163][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 71.625165][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.625166][ T70] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 71.625167][ T70] ? 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) [ 71.625169][ T70] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 71.625170][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 71.625172][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 71.625174][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 71.625175][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 71.625176][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.625177][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 71.625180][ T70] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 71.625182][ T70] _printk (kernel/printk/printk.c:2504) [ 71.625185][ T70] ? snapshot_read.cold (user.c:?) [ 71.625187][ T70] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 71.625190][ T70] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 71.625194][ T70] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 71.625196][ T70] br_device_event (net/bridge/br.c:111) [ 71.625198][ T70] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 71.625200][ T70] ? packet_sendmsg_spkt (af_packet.c:?) [ 71.625202][ T70] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 71.625205][ T70] notifier_call_chain (kernel/notifier.c:85) [ 71.625208][ T70] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 71.625214][ T70] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 71.625216][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.625218][ T70] ? __dev_close_many (net/core/dev.c:1804) [ 71.625220][ T70] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 71.625222][ T70] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 71.625224][ T70] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 71.625225][ T70] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 71.625228][ T70] ? kthread (kernel/kthread.c:436) [ 71.625230][ T70] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 71.625232][ T70] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 71.625235][ T70] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 71.625236][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.625237][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 71.625239][ T70] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 71.625241][ T70] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 71.625242][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.625244][ T70] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 71.625245][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 71.625247][ T70] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 71.625250][ T70] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 71.625252][ T70] ? netns_install (./include/linux/ns_common.h:26) [ 71.625254][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 71.625257][ T70] cleanup_net (net/core/net_namespace.c:706) [ 71.625259][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 71.625261][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.625262][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.625264][ T70] process_one_work (kernel/workqueue.c:3387) [ 71.625267][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 71.625269][ T70] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 71.625271][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 71.625273][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 71.625275][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 71.625277][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 71.625279][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 71.625281][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 71.625283][ T70] kthread (kernel/kthread.c:436) [ 71.625284][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 71.625286][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 71.625288][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 71.625289][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 71.625291][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 71.625294][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 71.625296][ T70] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 73.625411][ T1247] softirqs last disabled at (0): 0x0 | [ 73.625413][ T1247] Preemption disabled at: | [ 73.625413][ T1247] vprintk_emit (kernel/printk/printk.c:2471) | [ 73.625423][ T1247] Tainted: [W]=WARN [ 73.625424][ T1247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 73.625426][ T1247] Call Trace: [ 73.625427][ T1247] [ 73.625428][ T1247] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 73.625434][ T1247] ? vprintk_emit (kernel/printk/printk.c:2471) [ 73.625435][ T1247] __might_resched.cold (kernel/sched/core.c:9234) [ 73.625439][ T1247] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 73.625442][ T1247] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 73.625446][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.625448][ 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)) [ 73.625451][ T1247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 73.625453][ T1247] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 73.625458][ 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) [ 73.625460][ T1247] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 73.625462][ T1247] put_chars (drivers/char/virtio_console.c:1176) [ 73.625464][ T1247] ? __send_to_port (drivers/char/virtio_console.c:654) [ 73.625465][ T1247] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 73.625468][ T1247] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 73.625472][ T1247] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 73.625474][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.625475][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.625478][ T1247] console_emit_next_record (kernel/printk/printk.c:3183) [ 73.625480][ T1247] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 73.625482][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.625483][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.625484][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.625485][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.625487][ T1247] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 73.625489][ T1247] console_flush_one_record (kernel/printk/printk.c:3268) [ 73.625491][ T1247] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 73.625494][ T1247] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 73.625496][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.625497][ T1247] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 73.625499][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.625500][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 73.625501][ 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) [ 73.625503][ T1247] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 73.625504][ T1247] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 73.625506][ T1247] ? vprintk_emit (kernel/printk/printk.c:2478) [ 73.625507][ T1247] vprintk_emit (kernel/printk/printk.c:2479) [ 73.625509][ T1247] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 73.625510][ T1247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 73.625512][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 73.625515][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.625516][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.625517][ T1247] _printk (kernel/printk/printk.c:2504) [ 73.625520][ T1247] ? snapshot_read.cold (user.c:?) [ 73.625522][ T1247] ? br_multicast_flood (??:?) [ 73.625526][ T1247] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 73.625528][ T1247] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 73.625529][ T1247] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 73.625531][ T1247] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 73.625534][ T1247] br_init_port (net/bridge/br_stp_if.c:39) [ 73.625535][ T1247] new_nbp (net/bridge/br_if.c:449) [ 73.625538][ T1247] br_add_if (net/bridge/br_if.c:592) [ 73.625539][ T1247] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 73.625543][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 73.625545][ T1247] do_set_master (net/core/rtnetlink.c:3071) [ 73.625547][ T1247] ? netif_change_flags (net/core/dev.c:9882) [ 73.625549][ T1247] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 73.625551][ T1247] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 73.625552][ T1247] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 73.625553][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.625554][ T1247] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 73.625558][ T1247] ? kasan_save_stack (mm/kasan/common.c:58) [ 73.625559][ T1247] ? kasan_save_stack (mm/kasan/common.c:57) [ 73.625560][ T1247] ? kasan_save_track (mm/kasan/common.c:78) [ 73.625561][ T1247] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 73.625563][ T1247] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 73.625564][ T1247] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 73.625565][ T1247] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 73.625566][ T1247] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 73.625569][ T1247] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 73.625570][ T1247] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 73.625571][ T1247] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 73.625574][ T1247] ? ____sys_sendmsg (net/socket.c:2713) [ 73.625575][ T1247] ? ___sys_sendmsg (net/socket.c:2767) [ 73.625577][ T1247] ? __sys_sendmsg (net/socket.c:2799) [ 73.625578][ T1247] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 73.625582][ T1247] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 73.625584][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.625586][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.625587][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.625588][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.625589][ T1247] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 73.625590][ 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) [ 73.625592][ T1247] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 73.625593][ T1247] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 73.625595][ T1247] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 73.625596][ T1247] ? nla_get_range_signed (lib/nlattr.c:270) [ 73.625599][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.625600][ T1247] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 73.625602][ T1247] rtnl_newlink (net/core/rtnetlink.c:4215) [ 73.625604][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.625605][ T1247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 73.625606][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.625608][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.625609][ T1247] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 73.625612][ T1247] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 73.625613][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 73.625614][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.625615][ T1247] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 73.625618][ T1247] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 73.625621][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.625622][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.625623][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.625624][ T1247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 73.625625][ T1247] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 73.625627][ T1247] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 73.625628][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 73.625630][ T1247] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 73.625632][ T1247] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 73.625634][ T1247] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 73.625635][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 73.625636][ T1247] ? netlink_ack (./include/linux/skbuff.h:2718) [ 73.625638][ T1247] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 73.625641][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.625642][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 73.625644][ T1247] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 73.625646][ T1247] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 73.625648][ T1247] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 73.625650][ T1247] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 73.625652][ T1247] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 73.625653][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 73.625655][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.625656][ T1247] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 73.625659][ T1247] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 73.625661][ T1247] ____sys_sendmsg (net/socket.c:2713) [ 73.625663][ T1247] ? copy_msghdr_from_user (net/socket.c:2650) [ 73.625665][ T1247] ? sock_write_iter (net/socket.c:1269) [ 73.625666][ T1247] ? move_addr_to_kernel (net/socket.c:258) [ 73.625667][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 73.625670][ T1247] ___sys_sendmsg (net/socket.c:2767) [ 73.625672][ T1247] ? copy_msghdr_from_user (net/socket.c:2619) [ 73.625676][ T1247] __sys_sendmsg (net/socket.c:2799) [ 73.625678][ T1247] ? __sys_sendmsg_sock (net/socket.c:2780) [ 73.625681][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.625682][ T1247] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 73.625684][ T1247] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 73.625686][ T1247] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 73.625688][ T1247] RIP: 0033:0x7f3ca4b5154e [ 73.625690][ 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 [ 73.625691][ T1247] RSP: 002b:00007ffd70306770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 73.625694][ T1247] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3ca4b5154e [ 73.625696][ T1247] RDX: 0000000000000000 RSI: 00007ffd70306820 RDI: 0000000000000005 [ 73.625697][ T1247] RBP: 00007ffd70306780 R08: 0000000000000000 R09: 0000000000000000 [ 73.625698][ T1247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9180da [ 73.625698][ T1247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd70306ef0 | [ 82.270321][ T70] softirqs last disabled at (465058): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 82.270323][ T70] Preemption disabled at: | [ 82.270324][ T70] 0x0 | [ 82.270334][ T70] Tainted: [W]=WARN [ 82.270334][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 82.270336][ T70] Workqueue: netns cleanup_net [ 82.270342][ T70] Call Trace: [ 82.270343][ T70] [ 82.270345][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 82.270351][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 82.270359][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 82.270363][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.270366][ T70] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 82.270369][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 82.270372][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.270377][ T70] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 82.270378][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.270381][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 82.270382][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 82.270384][ T70] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 82.270386][ T70] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 82.270389][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 82.270394][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 82.270395][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 82.270397][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.270400][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 82.270402][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 82.270404][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.270405][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.270406][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.270407][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.270409][ T70] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 82.270411][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 82.270413][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 82.270416][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 82.270418][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.270419][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 82.270421][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.270422][ T70] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 82.270423][ T70] ? 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) [ 82.270425][ T70] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 82.270426][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 82.270428][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 82.270430][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 82.270431][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 82.270432][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.270434][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 82.270437][ T70] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 82.270438][ T70] _printk (kernel/printk/printk.c:2504) [ 82.270441][ T70] ? snapshot_read.cold (user.c:?) [ 82.270443][ T70] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 82.270446][ T70] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 82.270450][ T70] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 82.270452][ T70] br_device_event (net/bridge/br.c:111) [ 82.270455][ T70] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 82.270456][ T70] ? packet_sendmsg_spkt (af_packet.c:?) [ 82.270458][ T70] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 82.270461][ T70] notifier_call_chain (kernel/notifier.c:85) [ 82.270464][ T70] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 82.270467][ T70] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 82.270469][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.270471][ T70] ? __dev_close_many (net/core/dev.c:1804) [ 82.270473][ T70] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 82.270475][ T70] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 82.270477][ T70] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 82.270478][ T70] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 82.270481][ T70] ? kthread (kernel/kthread.c:436) [ 82.270483][ T70] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 82.270486][ T70] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 82.270488][ T70] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 82.270489][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.270491][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 82.270493][ T70] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 82.270494][ T70] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 82.270495][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.270497][ T70] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 82.270498][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 82.270500][ T70] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 82.270503][ T70] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 82.270505][ T70] ? netns_install (./include/linux/ns_common.h:26) [ 82.270507][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 82.270510][ T70] cleanup_net (net/core/net_namespace.c:706) [ 82.270511][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 82.270513][ T70] ? update_load_avg (kernel/sched/fair.c:5864) [ 82.270516][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.270517][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.270519][ T70] process_one_work (kernel/workqueue.c:3387) [ 82.270521][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 82.270523][ T70] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 82.270525][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 82.270528][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 82.270530][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 82.270532][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 82.270533][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 82.270535][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 82.270537][ T70] kthread (kernel/kthread.c:436) [ 82.270538][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 82.270540][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 82.270542][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 82.270543][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 82.270545][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 82.270548][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 82.270550][ T70] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 84.331379][ T1516] softirqs last disabled at (0): 0x0 | [ 84.331381][ T1516] Preemption disabled at: | [ 84.331381][ T1516] vprintk_emit (kernel/printk/printk.c:2471) | [ 84.331392][ T1516] Tainted: [W]=WARN [ 84.331393][ T1516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 84.331394][ T1516] Call Trace: [ 84.331395][ T1516] [ 84.331396][ T1516] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 84.331402][ T1516] ? vprintk_emit (kernel/printk/printk.c:2471) [ 84.331403][ T1516] __might_resched.cold (kernel/sched/core.c:9234) [ 84.331407][ T1516] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 84.331409][ T1516] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 84.331413][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.331415][ 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)) [ 84.331418][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 84.331421][ T1516] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 84.331426][ 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) [ 84.331427][ T1516] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 84.331430][ T1516] put_chars (drivers/char/virtio_console.c:1176) [ 84.331432][ T1516] ? __send_to_port (drivers/char/virtio_console.c:654) [ 84.331433][ T1516] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 84.331436][ T1516] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 84.331441][ T1516] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 84.331443][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.331444][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.331446][ T1516] console_emit_next_record (kernel/printk/printk.c:3183) [ 84.331449][ T1516] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 84.331451][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.331452][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.331453][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.331454][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.331456][ T1516] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 84.331457][ T1516] console_flush_one_record (kernel/printk/printk.c:3268) [ 84.331460][ T1516] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 84.331462][ T1516] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 84.331464][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.331466][ T1516] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 84.331467][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.331468][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 84.331470][ 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) [ 84.331471][ T1516] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 84.331473][ T1516] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 84.331475][ T1516] ? vprintk_emit (kernel/printk/printk.c:2478) [ 84.331476][ T1516] vprintk_emit (kernel/printk/printk.c:2479) [ 84.331477][ T1516] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 84.331479][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 84.331480][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 84.331483][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.331485][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.331486][ T1516] _printk (kernel/printk/printk.c:2504) [ 84.331489][ T1516] ? snapshot_read.cold (user.c:?) [ 84.331490][ T1516] ? br_multicast_flood (??:?) [ 84.331494][ T1516] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 84.331496][ T1516] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 84.331497][ T1516] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 84.331499][ T1516] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 84.331502][ T1516] br_init_port (net/bridge/br_stp_if.c:39) [ 84.331504][ T1516] new_nbp (net/bridge/br_if.c:449) [ 84.331506][ T1516] br_add_if (net/bridge/br_if.c:592) [ 84.331507][ T1516] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 84.331511][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 84.331514][ T1516] do_set_master (net/core/rtnetlink.c:3071) [ 84.331515][ T1516] ? netif_change_flags (net/core/dev.c:9882) [ 84.331517][ T1516] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 84.331519][ T1516] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 84.331520][ T1516] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 84.331522][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.331523][ T1516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 84.331526][ T1516] ? kasan_save_stack (mm/kasan/common.c:58) [ 84.331528][ T1516] ? kasan_save_stack (mm/kasan/common.c:57) [ 84.331529][ T1516] ? kasan_save_track (mm/kasan/common.c:78) [ 84.331530][ T1516] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 84.331531][ T1516] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 84.331532][ T1516] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 84.331533][ T1516] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 84.331534][ T1516] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 84.331537][ T1516] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 84.331539][ T1516] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 84.331540][ T1516] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 84.331543][ T1516] ? ____sys_sendmsg (net/socket.c:2713) [ 84.331544][ T1516] ? ___sys_sendmsg (net/socket.c:2767) [ 84.331545][ T1516] ? __sys_sendmsg (net/socket.c:2799) [ 84.331547][ T1516] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 84.331550][ T1516] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 84.331553][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.331554][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.331556][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.331557][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.331558][ T1516] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 84.331559][ 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) [ 84.331561][ T1516] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 84.331562][ T1516] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 84.331564][ T1516] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 84.331565][ T1516] ? nla_get_range_signed (lib/nlattr.c:270) [ 84.331568][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.331569][ T1516] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 84.331571][ T1516] rtnl_newlink (net/core/rtnetlink.c:4215) [ 84.331573][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.331574][ T1516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 84.331576][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.331577][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.331578][ T1516] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 84.331581][ T1516] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 84.331582][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 84.331583][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.331585][ T1516] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 84.331588][ T1516] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 84.331590][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.331591][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.331592][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.331594][ T1516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 84.331595][ T1516] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 84.331596][ T1516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 84.331598][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 84.331599][ T1516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 84.331601][ T1516] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 84.331603][ T1516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 84.331604][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 84.331606][ T1516] ? netlink_ack (./include/linux/skbuff.h:2718) [ 84.331608][ T1516] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 84.331610][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.331612][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 84.331613][ T1516] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 84.331616][ T1516] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 84.331617][ T1516] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 84.331619][ T1516] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 84.331621][ T1516] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 84.331623][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 84.331624][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.331626][ T1516] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 84.331629][ T1516] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 84.331631][ T1516] ____sys_sendmsg (net/socket.c:2713) [ 84.331632][ T1516] ? copy_msghdr_from_user (net/socket.c:2650) [ 84.331634][ T1516] ? sock_write_iter (net/socket.c:1269) [ 84.331635][ T1516] ? move_addr_to_kernel (net/socket.c:258) [ 84.331637][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 84.331639][ T1516] ___sys_sendmsg (net/socket.c:2767) [ 84.331641][ T1516] ? copy_msghdr_from_user (net/socket.c:2619) [ 84.331646][ T1516] __sys_sendmsg (net/socket.c:2799) [ 84.331648][ T1516] ? __sys_sendmsg_sock (net/socket.c:2780) [ 84.331650][ T1516] ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79) [ 84.331652][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.331654][ T1516] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 84.331655][ T1516] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 84.331657][ T1516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 84.331659][ T1516] RIP: 0033:0x7f7a6fe8e54e [ 84.331661][ 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 [ 84.331662][ T1516] RSP: 002b:00007ffc2461eb30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 84.331666][ T1516] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7a6fe8e54e [ 84.331667][ T1516] RDX: 0000000000000000 RSI: 00007ffc2461ebe0 RDI: 0000000000000005 [ 84.331668][ T1516] RBP: 00007ffc2461eb40 R08: 0000000000000000 R09: 0000000000000000 [ 84.331669][ T1516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9180e5 [ 84.331670][ T1516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2461f2b0 | [ 92.845014][ T70] softirqs last disabled at (465058): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 92.845017][ T70] Preemption disabled at: | [ 92.845018][ T70] 0x0 | [ 92.845027][ T70] Tainted: [W]=WARN [ 92.845028][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 92.845030][ T70] Workqueue: netns cleanup_net [ 92.845035][ T70] Call Trace: [ 92.845037][ T70] [ 92.845038][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 92.845044][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 92.845048][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 92.845052][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.845054][ T70] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 92.845057][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 92.845060][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 92.845065][ T70] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 92.845067][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 92.845069][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 92.845071][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 92.845072][ T70] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 92.845075][ T70] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 92.845078][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 92.845083][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 92.845085][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 92.845086][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.845089][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 92.845092][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 92.845094][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.845095][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.845096][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.845097][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.845099][ T70] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 92.845101][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 92.845103][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 92.845106][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 92.845108][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.845109][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 92.845111][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.845112][ T70] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 92.845114][ T70] ? 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) [ 92.845115][ T70] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 92.845117][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 92.845119][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 92.845121][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 92.845122][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 92.845123][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.845124][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 92.845128][ T70] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 92.845129][ T70] _printk (kernel/printk/printk.c:2504) [ 92.845132][ T70] ? snapshot_read.cold (user.c:?) [ 92.845135][ T70] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 92.845138][ T70] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 92.845141][ T70] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 92.845143][ T70] br_device_event (net/bridge/br.c:111) [ 92.845146][ T70] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 92.845148][ T70] ? packet_sendmsg_spkt (af_packet.c:?) [ 92.845150][ T70] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 92.845152][ T70] notifier_call_chain (kernel/notifier.c:85) [ 92.845156][ T70] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 92.845158][ T70] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 92.845161][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.845162][ T70] ? __dev_close_many (net/core/dev.c:1804) [ 92.845165][ T70] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 92.845167][ T70] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 92.845169][ T70] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 92.845171][ T70] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 92.845174][ T70] ? kthread (kernel/kthread.c:436) [ 92.845175][ T70] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 92.845179][ T70] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 92.845181][ T70] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 92.845182][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.845184][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 92.845186][ T70] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 92.845187][ T70] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 92.845189][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.845190][ T70] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 92.845192][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 92.845194][ T70] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 92.845197][ T70] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 92.845199][ T70] ? netns_install (./include/linux/ns_common.h:26) [ 92.845201][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 92.845204][ T70] cleanup_net (net/core/net_namespace.c:706) [ 92.845206][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 92.845208][ T70] ? update_load_avg (kernel/sched/fair.c:5864) [ 92.845211][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.845212][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.845214][ T70] process_one_work (kernel/workqueue.c:3387) [ 92.845217][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 92.845219][ T70] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 92.845221][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 92.845224][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 92.845226][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 92.845228][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 92.845230][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 92.845232][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 92.845234][ T70] kthread (kernel/kthread.c:436) [ 92.845235][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 92.845237][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 92.845238][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 92.845240][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 92.845242][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 92.845245][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 92.845247][ T70] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 94.900934][ T1785] softirqs last disabled at (0): 0x0 | [ 94.900936][ T1785] Preemption disabled at: | [ 94.900936][ T1785] vprintk_emit (kernel/printk/printk.c:2471) | [ 94.900947][ T1785] Tainted: [W]=WARN [ 94.900948][ T1785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 94.900950][ T1785] Call Trace: [ 94.900952][ T1785] [ 94.900953][ T1785] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 94.900958][ T1785] ? vprintk_emit (kernel/printk/printk.c:2471) [ 94.900959][ T1785] __might_resched.cold (kernel/sched/core.c:9234) [ 94.900963][ T1785] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 94.900967][ T1785] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 94.900970][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.900973][ 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)) [ 94.900975][ T1785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 94.900978][ T1785] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 94.900984][ 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) [ 94.900986][ T1785] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 94.900988][ T1785] put_chars (drivers/char/virtio_console.c:1176) [ 94.900990][ T1785] ? __send_to_port (drivers/char/virtio_console.c:654) [ 94.900991][ T1785] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 94.900994][ T1785] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 94.901000][ T1785] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 94.901002][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.901003][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.901005][ T1785] console_emit_next_record (kernel/printk/printk.c:3183) [ 94.901008][ T1785] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 94.901010][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.901011][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.901012][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.901013][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.901015][ T1785] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 94.901017][ T1785] console_flush_one_record (kernel/printk/printk.c:3268) [ 94.901020][ T1785] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 94.901023][ T1785] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 94.901024][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.901026][ T1785] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 94.901028][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.901029][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 94.901030][ 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) [ 94.901032][ T1785] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 94.901033][ T1785] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 94.901036][ T1785] ? vprintk_emit (kernel/printk/printk.c:2478) [ 94.901037][ T1785] vprintk_emit (kernel/printk/printk.c:2479) [ 94.901039][ T1785] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 94.901040][ T1785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 94.901042][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 94.901045][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.901047][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.901048][ T1785] _printk (kernel/printk/printk.c:2504) [ 94.901051][ T1785] ? snapshot_read.cold (user.c:?) [ 94.901053][ T1785] ? br_multicast_flood (??:?) [ 94.901057][ T1785] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 94.901060][ T1785] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 94.901061][ T1785] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 94.901063][ T1785] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 94.901066][ T1785] br_init_port (net/bridge/br_stp_if.c:39) [ 94.901067][ T1785] new_nbp (net/bridge/br_if.c:449) [ 94.901070][ T1785] br_add_if (net/bridge/br_if.c:592) [ 94.901072][ T1785] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 94.901075][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 94.901078][ T1785] do_set_master (net/core/rtnetlink.c:3071) [ 94.901080][ T1785] ? netif_change_flags (net/core/dev.c:9882) [ 94.901082][ T1785] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 94.901084][ T1785] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 94.901086][ T1785] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 94.901087][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.901088][ T1785] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 94.901092][ T1785] ? kasan_save_stack (mm/kasan/common.c:58) [ 94.901094][ T1785] ? kasan_save_stack (mm/kasan/common.c:57) [ 94.901095][ T1785] ? kasan_save_track (mm/kasan/common.c:78) [ 94.901096][ T1785] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 94.901097][ T1785] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 94.901098][ T1785] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 94.901099][ T1785] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 94.901101][ T1785] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 94.901104][ T1785] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 94.901105][ T1785] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 94.901107][ T1785] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 94.901110][ T1785] ? ____sys_sendmsg (net/socket.c:2713) [ 94.901111][ T1785] ? ___sys_sendmsg (net/socket.c:2767) [ 94.901113][ T1785] ? __sys_sendmsg (net/socket.c:2799) [ 94.901115][ T1785] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 94.901118][ T1785] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 94.901121][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.901122][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.901123][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.901124][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.901126][ T1785] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 94.901127][ 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) [ 94.901129][ T1785] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 94.901130][ T1785] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 94.901132][ T1785] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 94.901133][ T1785] ? nla_get_range_signed (lib/nlattr.c:270) [ 94.901137][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.901138][ T1785] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 94.901140][ T1785] rtnl_newlink (net/core/rtnetlink.c:4215) [ 94.901142][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.901144][ T1785] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 94.901145][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.901146][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.901148][ T1785] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 94.901151][ T1785] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 94.901152][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 94.901154][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.901155][ T1785] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 94.901158][ T1785] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 94.901161][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.901162][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.901163][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.901165][ T1785] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 94.901166][ T1785] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 94.901168][ T1785] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 94.901169][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 94.901171][ T1785] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 94.901173][ T1785] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 94.901175][ T1785] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 94.901176][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 94.901178][ T1785] ? netlink_ack (./include/linux/skbuff.h:2718) [ 94.901180][ T1785] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 94.901183][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.901184][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 94.901186][ T1785] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 94.901189][ T1785] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 94.901190][ T1785] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 94.901193][ T1785] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 94.901195][ T1785] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 94.901196][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 94.901198][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.901200][ T1785] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 94.901204][ T1785] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 94.901206][ T1785] ____sys_sendmsg (net/socket.c:2713) [ 94.901207][ T1785] ? copy_msghdr_from_user (net/socket.c:2650) [ 94.901209][ T1785] ? sock_write_iter (net/socket.c:1269) [ 94.901211][ T1785] ? move_addr_to_kernel (net/socket.c:258) [ 94.901212][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 94.901216][ T1785] ___sys_sendmsg (net/socket.c:2767) [ 94.901217][ T1785] ? copy_msghdr_from_user (net/socket.c:2619) [ 94.901223][ T1785] __sys_sendmsg (net/socket.c:2799) [ 94.901225][ T1785] ? __sys_sendmsg_sock (net/socket.c:2780) [ 94.901228][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.901230][ T1785] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 94.901232][ T1785] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 94.901234][ T1785] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 94.901235][ T1785] RIP: 0033:0x7f972232d54e [ 94.901237][ 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 [ 94.901239][ T1785] RSP: 002b:00007fffac585660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 94.901243][ T1785] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f972232d54e [ 94.901245][ T1785] RDX: 0000000000000000 RSI: 00007fffac585710 RDI: 0000000000000005 [ 94.901246][ T1785] RBP: 00007fffac585670 R08: 0000000000000000 R09: 0000000000000000 [ 94.901246][ T1785] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9180f0 [ 94.901247][ T1785] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffac585de0 | [ 101.967667][ T70] softirqs last disabled at (465058): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 101.967669][ T70] Preemption disabled at: | [ 101.967670][ T70] 0x0 | [ 101.967679][ T70] Tainted: [W]=WARN [ 101.967680][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 101.967682][ T70] Workqueue: netns cleanup_net [ 101.967687][ T70] Call Trace: [ 101.967689][ T70] [ 101.967691][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 101.967697][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 101.967700][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 101.967704][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.967707][ T70] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 101.967710][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 101.967713][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 101.967717][ T70] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 101.967719][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 101.967721][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 101.967723][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 101.967724][ T70] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 101.967727][ T70] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 101.967729][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 101.967734][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 101.967735][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 101.967737][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.967740][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 101.967742][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 101.967744][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.967745][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.967746][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.967747][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.967749][ T70] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 101.967751][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 101.967753][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 101.967756][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 101.967758][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.967759][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 101.967761][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.967762][ T70] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 101.967763][ T70] ? 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) [ 101.967765][ T70] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 101.967766][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 101.967768][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 101.967770][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 101.967772][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 101.967773][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.967774][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 101.967777][ T70] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 101.967779][ T70] _printk (kernel/printk/printk.c:2504) [ 101.967782][ T70] ? snapshot_read.cold (user.c:?) [ 101.967784][ T70] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 101.967787][ T70] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 101.967790][ T70] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 101.967792][ T70] br_device_event (net/bridge/br.c:111) [ 101.967795][ T70] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 101.967796][ T70] ? packet_sendmsg_spkt (af_packet.c:?) [ 101.967798][ T70] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 101.967801][ T70] notifier_call_chain (kernel/notifier.c:85) [ 101.967804][ T70] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 101.967806][ T70] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 101.967809][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.967810][ T70] ? __dev_close_many (net/core/dev.c:1804) [ 101.967812][ T70] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 101.967814][ T70] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 101.967816][ T70] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 101.967818][ T70] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 101.967820][ T70] ? kthread (kernel/kthread.c:436) [ 101.967822][ T70] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 101.967825][ T70] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 101.967827][ T70] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 101.967828][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.967830][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 101.967832][ T70] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 101.967833][ T70] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 101.967834][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.967836][ T70] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 101.967837][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 101.967839][ T70] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 101.967842][ T70] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 101.967844][ T70] ? netns_install (./include/linux/ns_common.h:26) [ 101.967846][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 101.967849][ T70] cleanup_net (net/core/net_namespace.c:706) [ 101.967851][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 101.967853][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.967854][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.967856][ T70] process_one_work (kernel/workqueue.c:3387) [ 101.967865][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 101.967867][ T70] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 101.967869][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 101.967871][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 101.967873][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 101.967875][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 101.967877][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 101.967879][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 101.967881][ T70] kthread (kernel/kthread.c:436) [ 101.967882][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 101.967884][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 101.967885][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 101.967887][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 101.967889][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 101.967892][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 101.967893][ T70] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 104.001481][ T1977] softirqs last disabled at (0): 0x0 | [ 104.001483][ T1977] Preemption disabled at: | [ 104.001483][ T1977] vprintk_emit (kernel/printk/printk.c:2471) | [ 104.001493][ T1977] Tainted: [W]=WARN [ 104.001494][ T1977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 104.001496][ T1977] Call Trace: [ 104.001497][ T1977] [ 104.001499][ T1977] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 104.001504][ T1977] ? vprintk_emit (kernel/printk/printk.c:2471) [ 104.001505][ T1977] __might_resched.cold (kernel/sched/core.c:9234) [ 104.001509][ T1977] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 104.001512][ T1977] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 104.001516][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.001518][ 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)) [ 104.001521][ T1977] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 104.001524][ T1977] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 104.001528][ 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) [ 104.001530][ T1977] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 104.001533][ T1977] put_chars (drivers/char/virtio_console.c:1176) [ 104.001534][ T1977] ? __send_to_port (drivers/char/virtio_console.c:654) [ 104.001536][ T1977] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 104.001538][ T1977] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 104.001543][ T1977] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 104.001545][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.001546][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.001548][ T1977] console_emit_next_record (kernel/printk/printk.c:3183) [ 104.001551][ T1977] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 104.001553][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.001554][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.001555][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.001556][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.001558][ T1977] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 104.001560][ T1977] console_flush_one_record (kernel/printk/printk.c:3268) [ 104.001562][ T1977] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 104.001565][ T1977] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 104.001566][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.001568][ T1977] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 104.001569][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.001570][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 104.001572][ 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) [ 104.001574][ T1977] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 104.001575][ T1977] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 104.001577][ T1977] ? vprintk_emit (kernel/printk/printk.c:2478) [ 104.001578][ T1977] vprintk_emit (kernel/printk/printk.c:2479) [ 104.001580][ T1977] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 104.001581][ T1977] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 104.001583][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 104.001586][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.001587][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.001589][ T1977] _printk (kernel/printk/printk.c:2504) [ 104.001591][ T1977] ? snapshot_read.cold (user.c:?) [ 104.001593][ T1977] ? br_multicast_flood (??:?) [ 104.001597][ T1977] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 104.001599][ T1977] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 104.001601][ T1977] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 104.001602][ T1977] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 104.001605][ T1977] br_init_port (net/bridge/br_stp_if.c:39) [ 104.001607][ T1977] new_nbp (net/bridge/br_if.c:449) [ 104.001609][ T1977] br_add_if (net/bridge/br_if.c:592) [ 104.001611][ T1977] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 104.001614][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 104.001617][ T1977] do_set_master (net/core/rtnetlink.c:3071) [ 104.001618][ T1977] ? netif_change_flags (net/core/dev.c:9882) [ 104.001621][ T1977] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 104.001622][ T1977] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 104.001624][ T1977] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 104.001625][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.001626][ T1977] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 104.001629][ T1977] ? kasan_save_stack (mm/kasan/common.c:58) [ 104.001631][ T1977] ? kasan_save_stack (mm/kasan/common.c:57) [ 104.001632][ T1977] ? kasan_save_track (mm/kasan/common.c:78) [ 104.001633][ T1977] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 104.001634][ T1977] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 104.001635][ T1977] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 104.001636][ T1977] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 104.001637][ T1977] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 104.001640][ T1977] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 104.001642][ T1977] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 104.001643][ T1977] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 104.001645][ T1977] ? ____sys_sendmsg (net/socket.c:2713) [ 104.001647][ T1977] ? ___sys_sendmsg (net/socket.c:2767) [ 104.001648][ T1977] ? __sys_sendmsg (net/socket.c:2799) [ 104.001650][ T1977] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 104.001653][ T1977] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 104.001656][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.001657][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.001658][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.001659][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.001660][ T1977] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 104.001662][ 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) [ 104.001663][ T1977] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 104.001665][ T1977] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 104.001666][ T1977] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 104.001667][ T1977] ? nla_get_range_signed (lib/nlattr.c:270) [ 104.001671][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.001672][ T1977] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 104.001674][ T1977] rtnl_newlink (net/core/rtnetlink.c:4215) [ 104.001676][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.001677][ T1977] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 104.001678][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.001679][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.001681][ T1977] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 104.001683][ T1977] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 104.001684][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 104.001686][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.001687][ T1977] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 104.001690][ T1977] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 104.001693][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.001694][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.001695][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.001696][ T1977] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 104.001697][ T1977] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 104.001699][ T1977] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 104.001700][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 104.001702][ T1977] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 104.001704][ T1977] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 104.001706][ T1977] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 104.001707][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 104.001708][ T1977] ? netlink_ack (./include/linux/skbuff.h:2718) [ 104.001710][ T1977] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 104.001713][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.001714][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 104.001716][ T1977] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 104.001718][ T1977] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 104.001720][ T1977] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 104.001721][ T1977] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 104.001724][ T1977] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 104.001725][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 104.001727][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.001728][ T1977] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 104.001731][ T1977] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 104.001733][ T1977] ____sys_sendmsg (net/socket.c:2713) [ 104.001735][ T1977] ? copy_msghdr_from_user (net/socket.c:2650) [ 104.001736][ T1977] ? sock_write_iter (net/socket.c:1269) [ 104.001738][ T1977] ? move_addr_to_kernel (net/socket.c:258) [ 104.001739][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 104.001742][ T1977] ___sys_sendmsg (net/socket.c:2767) [ 104.001744][ T1977] ? copy_msghdr_from_user (net/socket.c:2619) [ 104.001749][ T1977] __sys_sendmsg (net/socket.c:2799) [ 104.001750][ T1977] ? __sys_sendmsg_sock (net/socket.c:2780) [ 104.001753][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.001755][ T1977] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 104.001756][ T1977] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 104.001758][ T1977] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 104.001760][ T1977] RIP: 0033:0x7f80b11d554e [ 104.001761][ 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 [ 104.001763][ T1977] RSP: 002b:00007ffd985b5d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 104.001767][ T1977] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f80b11d554e [ 104.001768][ T1977] RDX: 0000000000000000 RSI: 00007ffd985b5dd0 RDI: 0000000000000005 [ 104.001769][ T1977] RBP: 00007ffd985b5d30 R08: 0000000000000000 R09: 0000000000000000 [ 104.001769][ T1977] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9180f9 [ 104.001770][ T1977] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd985b64a0 | [ 111.406375][ T70] softirqs last disabled at (465058): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 111.406378][ T70] Preemption disabled at: | [ 111.406378][ T70] 0x0 | [ 111.406388][ T70] Tainted: [W]=WARN [ 111.406389][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.406391][ T70] Workqueue: netns cleanup_net [ 111.406397][ T70] Call Trace: [ 111.406398][ T70] [ 111.406400][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 111.406406][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 111.406410][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 111.406414][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.406417][ T70] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 111.406420][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.406423][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 111.406427][ T70] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 111.406429][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 111.406432][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 111.406433][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 111.406434][ T70] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 111.406437][ T70] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 111.406440][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 111.406445][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 111.406447][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.406448][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.406451][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 111.406454][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 111.406456][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.406457][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.406457][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.406458][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.406460][ T70] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 111.406462][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 111.406465][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 111.406467][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 111.406469][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.406471][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 111.406472][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.406473][ T70] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 111.406475][ T70] ? 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) [ 111.406476][ T70] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 111.406478][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 111.406480][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 111.406482][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 111.406484][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 111.406485][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.406486][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 111.406489][ T70] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 111.406491][ T70] _printk (kernel/printk/printk.c:2504) [ 111.406494][ T70] ? snapshot_read.cold (user.c:?) [ 111.406496][ T70] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 111.406499][ T70] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 111.406503][ T70] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 111.406504][ T70] br_device_event (net/bridge/br.c:111) [ 111.406507][ T70] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 111.406508][ T70] ? packet_sendmsg_spkt (af_packet.c:?) [ 111.406510][ T70] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 111.406513][ T70] notifier_call_chain (kernel/notifier.c:85) [ 111.406516][ T70] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 111.406519][ T70] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 111.406521][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.406523][ T70] ? __dev_close_many (net/core/dev.c:1804) [ 111.406525][ T70] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 111.406527][ T70] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 111.406529][ T70] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 111.406530][ T70] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 111.406533][ T70] ? kthread (kernel/kthread.c:436) [ 111.406535][ T70] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 111.406538][ T70] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 111.406540][ T70] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 111.406542][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.406543][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 111.406545][ T70] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 111.406546][ T70] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 111.406548][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.406549][ T70] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 111.406551][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 111.406553][ T70] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 111.406556][ T70] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 111.406558][ T70] ? netns_install (./include/linux/ns_common.h:26) [ 111.406559][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 111.406562][ T70] cleanup_net (net/core/net_namespace.c:706) [ 111.406564][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 111.406566][ T70] ? update_load_avg (kernel/sched/fair.c:5864) [ 111.406568][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.406570][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.406571][ T70] process_one_work (kernel/workqueue.c:3387) [ 111.406574][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 111.406576][ T70] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 111.406578][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.406581][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 111.406583][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 111.406585][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 111.406587][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 111.406588][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 111.406590][ T70] kthread (kernel/kthread.c:436) [ 111.406592][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 111.406593][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 111.406595][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 111.406596][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 111.406598][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 111.406601][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 111.406603][ T70] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 113.440095][ T2215] softirqs last disabled at (0): 0x0 | [ 113.440098][ T2215] Preemption disabled at: | [ 113.440098][ T2215] vprintk_emit (kernel/printk/printk.c:2471) | [ 113.440111][ T2215] Tainted: [W]=WARN [ 113.440112][ T2215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.440115][ T2215] Call Trace: [ 113.440116][ T2215] [ 113.440118][ T2215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 113.440125][ T2215] ? vprintk_emit (kernel/printk/printk.c:2471) [ 113.440127][ T2215] __might_resched.cold (kernel/sched/core.c:9234) [ 113.440132][ T2215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 113.440136][ T2215] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 113.440140][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.440144][ 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)) [ 113.440147][ T2215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 113.440151][ T2215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 113.440157][ 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) [ 113.440159][ T2215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 113.440163][ T2215] put_chars (drivers/char/virtio_console.c:1176) [ 113.440165][ T2215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 113.440168][ T2215] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 113.440172][ T2215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 113.440178][ T2215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 113.440181][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.440183][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.440187][ T2215] console_emit_next_record (kernel/printk/printk.c:3183) [ 113.440190][ T2215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 113.440193][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.440195][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.440197][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.440198][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.440202][ T2215] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 113.440204][ T2215] console_flush_one_record (kernel/printk/printk.c:3268) [ 113.440208][ T2215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 113.440212][ T2215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 113.440214][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.440217][ T2215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 113.440219][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.440221][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 113.440223][ 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) [ 113.440225][ T2215] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 113.440228][ T2215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 113.440230][ T2215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 113.440232][ T2215] vprintk_emit (kernel/printk/printk.c:2479) [ 113.440235][ T2215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 113.440237][ T2215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 113.440240][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 113.440243][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.440245][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.440248][ T2215] _printk (kernel/printk/printk.c:2504) [ 113.440252][ T2215] ? snapshot_read.cold (user.c:?) [ 113.440255][ T2215] ? br_multicast_flood (??:?) [ 113.440259][ T2215] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 113.440263][ T2215] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 113.440264][ T2215] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 113.440268][ T2215] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 113.440272][ T2215] br_init_port (net/bridge/br_stp_if.c:39) [ 113.440274][ T2215] new_nbp (net/bridge/br_if.c:449) [ 113.440277][ T2215] br_add_if (net/bridge/br_if.c:592) [ 113.440280][ T2215] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 113.440284][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 113.440289][ T2215] do_set_master (net/core/rtnetlink.c:3071) [ 113.440291][ T2215] ? netif_change_flags (net/core/dev.c:9882) [ 113.440295][ T2215] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 113.440297][ T2215] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 113.440300][ T2215] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 113.440302][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.440303][ T2215] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 113.440308][ T2215] ? kasan_save_stack (mm/kasan/common.c:58) [ 113.440311][ T2215] ? kasan_save_stack (mm/kasan/common.c:57) [ 113.440312][ T2215] ? kasan_save_track (mm/kasan/common.c:78) [ 113.440314][ T2215] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 113.440316][ T2215] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 113.440318][ T2215] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 113.440319][ T2215] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 113.440321][ T2215] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 113.440324][ T2215] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 113.440326][ T2215] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 113.440329][ T2215] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 113.440332][ T2215] ? ____sys_sendmsg (net/socket.c:2713) [ 113.440334][ T2215] ? ___sys_sendmsg (net/socket.c:2767) [ 113.440336][ T2215] ? __sys_sendmsg (net/socket.c:2799) [ 113.440338][ T2215] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 113.440343][ T2215] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 113.440346][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.440348][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.440351][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.440352][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.440354][ T2215] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 113.440359][ 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) [ 113.440362][ T2215] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 113.440364][ T2215] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 113.440366][ T2215] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 113.440368][ T2215] ? nla_get_range_signed (lib/nlattr.c:270) [ 113.440373][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.440375][ T2215] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 113.440378][ T2215] rtnl_newlink (net/core/rtnetlink.c:4215) [ 113.440382][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.440384][ T2215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 113.440386][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.440388][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.440390][ T2215] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 113.440393][ T2215] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 113.440395][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 113.440398][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.440399][ T2215] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 113.440403][ T2215] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 113.440407][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.440408][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.440411][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.440413][ T2215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 113.440415][ T2215] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 113.440417][ T2215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 113.440419][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 113.440421][ T2215] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 113.440425][ T2215] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 113.440427][ T2215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 113.440430][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 113.440432][ T2215] ? netlink_ack (./include/linux/skbuff.h:2718) [ 113.440434][ T2215] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 113.440438][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.440440][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 113.440443][ T2215] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 113.440447][ T2215] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 113.440449][ T2215] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 113.440452][ T2215] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 113.440456][ T2215] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 113.440458][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 113.440460][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.440463][ T2215] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 113.440467][ T2215] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 113.440470][ T2215] ____sys_sendmsg (net/socket.c:2713) [ 113.440472][ T2215] ? copy_msghdr_from_user (net/socket.c:2650) [ 113.440475][ T2215] ? sock_write_iter (net/socket.c:1269) [ 113.440477][ T2215] ? move_addr_to_kernel (net/socket.c:258) [ 113.440479][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 113.440483][ T2215] ___sys_sendmsg (net/socket.c:2767) [ 113.440486][ T2215] ? copy_msghdr_from_user (net/socket.c:2619) [ 113.440494][ T2215] __sys_sendmsg (net/socket.c:2799) [ 113.440497][ T2215] ? __sys_sendmsg_sock (net/socket.c:2780) [ 113.440501][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.440503][ T2215] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 113.440506][ T2215] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 113.440508][ T2215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 113.440511][ T2215] RIP: 0033:0x7f764995154e [ 113.440513][ 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 [ 113.440516][ T2215] RSP: 002b:00007ffc7da6f450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 113.440520][ T2215] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f764995154e [ 113.440522][ T2215] RDX: 0000000000000000 RSI: 00007ffc7da6f500 RDI: 0000000000000005 [ 113.440524][ T2215] RBP: 00007ffc7da6f460 R08: 0000000000000000 R09: 0000000000000000 [ 113.440525][ T2215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918102 [ 113.440527][ T2215] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7da6fbd0 | [ 120.464863][ T70] softirqs last disabled at (465058): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 120.464865][ T70] Preemption disabled at: | [ 120.464866][ T70] 0x0 | [ 120.464876][ T70] Tainted: [W]=WARN [ 120.464877][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 120.464879][ T70] Workqueue: netns cleanup_net [ 120.464884][ T70] Call Trace: [ 120.464886][ T70] [ 120.464887][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 120.464893][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 120.464897][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 120.464901][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.464904][ T70] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 120.464906][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 120.464909][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 120.464914][ T70] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 120.464916][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 120.464918][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 120.464920][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 120.464921][ T70] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 120.464924][ T70] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 120.464927][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 120.464931][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 120.464933][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 120.464935][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.464937][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 120.464940][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 120.464942][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.464943][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.464944][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.464945][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.464947][ T70] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 120.464949][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 120.464951][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 120.464954][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 120.464956][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.464964][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 120.464965][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.464966][ T70] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 120.464968][ T70] ? 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) [ 120.464969][ T70] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 120.464971][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 120.464973][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 120.464974][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 120.464976][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 120.464977][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.464979][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 120.464982][ T70] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 120.464984][ T70] _printk (kernel/printk/printk.c:2504) [ 120.464987][ T70] ? snapshot_read.cold (user.c:?) [ 120.464989][ T70] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 120.464992][ T70] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 120.464996][ T70] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 120.464998][ T70] br_device_event (net/bridge/br.c:111) [ 120.465001][ T70] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 120.465002][ T70] ? packet_sendmsg_spkt (af_packet.c:?) [ 120.465004][ T70] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 120.465007][ T70] notifier_call_chain (kernel/notifier.c:85) [ 120.465010][ T70] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 120.465013][ T70] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 120.465015][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.465017][ T70] ? __dev_close_many (net/core/dev.c:1804) [ 120.465019][ T70] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 120.465021][ T70] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 120.465023][ T70] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 120.465024][ T70] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 120.465027][ T70] ? kthread (kernel/kthread.c:436) [ 120.465029][ T70] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 120.465032][ T70] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 120.465034][ T70] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 120.465036][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.465037][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 120.465039][ T70] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 120.465040][ T70] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 120.465042][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.465044][ T70] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 120.465045][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 120.465047][ T70] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 120.465050][ T70] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 120.465052][ T70] ? netns_install (./include/linux/ns_common.h:26) [ 120.465054][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 120.465056][ T70] cleanup_net (net/core/net_namespace.c:706) [ 120.465058][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 120.465060][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.465062][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.465063][ T70] process_one_work (kernel/workqueue.c:3387) [ 120.465066][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 120.465068][ T70] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 120.465070][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 120.465072][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 120.465075][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 120.465076][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 120.465078][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 120.465080][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 120.465082][ T70] kthread (kernel/kthread.c:436) [ 120.465083][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 120.465085][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 120.465087][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 120.465088][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 120.465090][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 120.465093][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 120.465095][ T70] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 122.505624][ T2413] softirqs last disabled at (0): 0x0 | [ 122.505626][ T2413] Preemption disabled at: | [ 122.505627][ T2413] vprintk_emit (kernel/printk/printk.c:2471) | [ 122.505636][ T2413] Tainted: [W]=WARN [ 122.505637][ T2413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 122.505639][ T2413] Call Trace: [ 122.505641][ T2413] [ 122.505642][ T2413] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 122.505647][ T2413] ? vprintk_emit (kernel/printk/printk.c:2471) [ 122.505649][ T2413] __might_resched.cold (kernel/sched/core.c:9234) [ 122.505653][ T2413] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 122.505656][ T2413] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 122.505659][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.505661][ T2413] __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)) [ 122.505664][ T2413] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 122.505667][ T2413] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 122.505672][ T2413] ? 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) [ 122.505673][ T2413] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 122.505676][ T2413] put_chars (drivers/char/virtio_console.c:1176) [ 122.505678][ T2413] ? __send_to_port (drivers/char/virtio_console.c:654) [ 122.505679][ T2413] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 122.505682][ T2413] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 122.505686][ T2413] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 122.505688][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.505689][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.505692][ T2413] console_emit_next_record (kernel/printk/printk.c:3183) [ 122.505695][ T2413] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 122.505697][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.505698][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.505699][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.505700][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.505701][ T2413] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 122.505703][ T2413] console_flush_one_record (kernel/printk/printk.c:3268) [ 122.505705][ T2413] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 122.505708][ T2413] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 122.505710][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.505712][ T2413] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 122.505713][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.505714][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 122.505716][ T2413] ? 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) [ 122.505717][ T2413] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 122.505719][ T2413] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 122.505721][ T2413] ? vprintk_emit (kernel/printk/printk.c:2478) [ 122.505722][ T2413] vprintk_emit (kernel/printk/printk.c:2479) [ 122.505724][ T2413] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 122.505725][ T2413] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 122.505727][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 122.505730][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.505731][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.505732][ T2413] _printk (kernel/printk/printk.c:2504) [ 122.505735][ T2413] ? snapshot_read.cold (user.c:?) [ 122.505737][ T2413] ? br_multicast_flood (??:?) [ 122.505741][ T2413] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 122.505744][ T2413] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 122.505745][ T2413] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 122.505747][ T2413] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 122.505749][ T2413] br_init_port (net/bridge/br_stp_if.c:39) [ 122.505751][ T2413] new_nbp (net/bridge/br_if.c:449) [ 122.505753][ T2413] br_add_if (net/bridge/br_if.c:592) [ 122.505755][ T2413] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 122.505758][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 122.505761][ T2413] do_set_master (net/core/rtnetlink.c:3071) [ 122.505763][ T2413] ? netif_change_flags (net/core/dev.c:9882) [ 122.505765][ T2413] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 122.505767][ T2413] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 122.505768][ T2413] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 122.505769][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.505770][ T2413] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 122.505774][ T2413] ? kasan_save_stack (mm/kasan/common.c:58) [ 122.505775][ T2413] ? kasan_save_stack (mm/kasan/common.c:57) [ 122.505777][ T2413] ? kasan_save_track (mm/kasan/common.c:78) [ 122.505778][ T2413] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 122.505779][ T2413] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 122.505780][ T2413] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 122.505781][ T2413] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 122.505782][ T2413] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 122.505785][ T2413] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 122.505786][ T2413] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 122.505788][ T2413] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 122.505790][ T2413] ? ____sys_sendmsg (net/socket.c:2713) [ 122.505792][ T2413] ? ___sys_sendmsg (net/socket.c:2767) [ 122.505793][ T2413] ? __sys_sendmsg (net/socket.c:2799) [ 122.505795][ T2413] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 122.505798][ T2413] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 122.505800][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.505802][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.505803][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.505804][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.505805][ T2413] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 122.505806][ T2413] ? __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) [ 122.505808][ T2413] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 122.505809][ T2413] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 122.505811][ T2413] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 122.505812][ T2413] ? nla_get_range_signed (lib/nlattr.c:270) [ 122.505816][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.505817][ T2413] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 122.505819][ T2413] rtnl_newlink (net/core/rtnetlink.c:4215) [ 122.505821][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.505822][ T2413] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 122.505823][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.505824][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.505826][ T2413] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 122.505829][ T2413] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 122.505830][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 122.505831][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.505832][ T2413] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 122.505835][ T2413] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 122.505838][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.505839][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.505840][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.505841][ T2413] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 122.505842][ T2413] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 122.505844][ T2413] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 122.505845][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 122.505847][ T2413] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 122.505849][ T2413] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 122.505851][ T2413] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 122.505852][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 122.505854][ T2413] ? netlink_ack (./include/linux/skbuff.h:2718) [ 122.505855][ T2413] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 122.505858][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.505859][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 122.505861][ T2413] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 122.505863][ T2413] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 122.505865][ T2413] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 122.505867][ T2413] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 122.505869][ T2413] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 122.505870][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 122.505872][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.505873][ T2413] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 122.505876][ T2413] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 122.505878][ T2413] ____sys_sendmsg (net/socket.c:2713) [ 122.505880][ T2413] ? copy_msghdr_from_user (net/socket.c:2650) [ 122.505881][ T2413] ? sock_write_iter (net/socket.c:1269) [ 122.505883][ T2413] ? move_addr_to_kernel (net/socket.c:258) [ 122.505884][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 122.505887][ T2413] ___sys_sendmsg (net/socket.c:2767) [ 122.505889][ T2413] ? copy_msghdr_from_user (net/socket.c:2619) [ 122.505893][ T2413] __sys_sendmsg (net/socket.c:2799) [ 122.505895][ T2413] ? __sys_sendmsg_sock (net/socket.c:2780) [ 122.505898][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.505899][ T2413] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 122.505901][ T2413] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 122.505903][ T2413] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 122.505904][ T2413] RIP: 0033:0x7f019dc4954e [ 122.505906][ T2413] 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 [ 122.505908][ T2413] RSP: 002b:00007ffd448cd090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 122.505911][ T2413] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f019dc4954e [ 122.505913][ T2413] RDX: 0000000000000000 RSI: 00007ffd448cd140 RDI: 0000000000000005 [ 122.505914][ T2413] RBP: 00007ffd448cd0a0 R08: 0000000000000000 R09: 0000000000000000 [ 122.505914][ T2413] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91810b [ 122.505915][ T2413] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd448cd810 | [ 129.517912][ T70] softirqs last disabled at (465058): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 129.517914][ T70] Preemption disabled at: | [ 129.517915][ T70] 0x0 | [ 129.517927][ T70] Tainted: [W]=WARN [ 129.517928][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 129.517930][ T70] Workqueue: netns cleanup_net [ 129.517936][ T70] Call Trace: [ 129.517938][ T70] [ 129.517941][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 129.517947][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 129.517951][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 129.517957][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.517960][ T70] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 129.517963][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 129.517966][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 129.517972][ T70] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 129.517975][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 129.517978][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 129.517980][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 129.517981][ T70] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 129.517984][ T70] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 129.517987][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 129.517993][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 129.517996][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 129.517998][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.518001][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 129.518003][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 129.518012][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.518013][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.518015][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.518017][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.518021][ T70] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 129.518023][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 129.518027][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 129.518030][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 129.518033][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.518036][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 129.518038][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.518040][ T70] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 129.518043][ T70] ? 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) [ 129.518044][ T70] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 129.518046][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 129.518048][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 129.518050][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 129.518053][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 129.518055][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.518057][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 129.518060][ T70] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 129.518062][ T70] _printk (kernel/printk/printk.c:2504) [ 129.518065][ T70] ? snapshot_read.cold (user.c:?) [ 129.518067][ T70] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 129.518073][ T70] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 129.518077][ T70] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 129.518080][ T70] br_device_event (net/bridge/br.c:111) [ 129.518082][ T70] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 129.518084][ T70] ? packet_sendmsg_spkt (af_packet.c:?) [ 129.518086][ T70] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 129.518090][ T70] notifier_call_chain (kernel/notifier.c:85) [ 129.518095][ T70] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 129.518097][ T70] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 129.518100][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.518101][ T70] ? __dev_close_many (net/core/dev.c:1804) [ 129.518103][ T70] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 129.518106][ T70] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 129.518110][ T70] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 129.518112][ T70] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 129.518115][ T70] ? kthread (kernel/kthread.c:436) [ 129.518117][ T70] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 129.518120][ T70] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 129.518122][ T70] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 129.518125][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.518128][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 129.518131][ T70] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 129.518132][ T70] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 129.518134][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.518135][ T70] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 129.518137][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 129.518139][ T70] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 129.518142][ T70] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 129.518146][ T70] ? netns_install (./include/linux/ns_common.h:26) [ 129.518149][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 129.518152][ T70] cleanup_net (net/core/net_namespace.c:706) [ 129.518154][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 129.518156][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.518157][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.518159][ T70] process_one_work (kernel/workqueue.c:3387) [ 129.518164][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 129.518167][ T70] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 129.518169][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 129.518171][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 129.518174][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 129.518176][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 129.518178][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 129.518181][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 129.518184][ T70] kthread (kernel/kthread.c:436) [ 129.518186][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 129.518187][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 129.518189][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 129.518191][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 129.518193][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 129.518197][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 129.518200][ T70] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 131.689825][ T2621] softirqs last disabled at (0): 0x0 | [ 131.689827][ T2621] Preemption disabled at: | [ 131.689828][ T2621] vprintk_emit (kernel/printk/printk.c:2471) | [ 131.689841][ T2621] Tainted: [W]=WARN [ 131.689842][ T2621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 131.689844][ T2621] Call Trace: [ 131.689845][ T2621] [ 131.689847][ T2621] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 131.689853][ T2621] ? vprintk_emit (kernel/printk/printk.c:2471) [ 131.689855][ T2621] __might_resched.cold (kernel/sched/core.c:9234) [ 131.689860][ T2621] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 131.689864][ T2621] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 131.689868][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.689871][ T2621] __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)) [ 131.689875][ T2621] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 131.689878][ T2621] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 131.689884][ T2621] ? 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) [ 131.689886][ T2621] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 131.689890][ T2621] put_chars (drivers/char/virtio_console.c:1176) [ 131.689893][ T2621] ? __send_to_port (drivers/char/virtio_console.c:654) [ 131.689895][ T2621] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 131.689899][ T2621] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 131.689905][ T2621] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 131.689908][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.689910][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.689914][ T2621] console_emit_next_record (kernel/printk/printk.c:3183) [ 131.689917][ T2621] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 131.689920][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.689922][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.689924][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.689925][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.689928][ T2621] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 131.689931][ T2621] console_flush_one_record (kernel/printk/printk.c:3268) [ 131.689934][ T2621] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 131.689938][ T2621] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 131.689941][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.689943][ T2621] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 131.689946][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.689947][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 131.689950][ T2621] ? 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) [ 131.689952][ T2621] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 131.689954][ T2621] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 131.689957][ T2621] ? vprintk_emit (kernel/printk/printk.c:2478) [ 131.689959][ T2621] vprintk_emit (kernel/printk/printk.c:2479) [ 131.689962][ T2621] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 131.689964][ T2621] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 131.689966][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 131.689970][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.689972][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.689975][ T2621] _printk (kernel/printk/printk.c:2504) [ 131.689978][ T2621] ? snapshot_read.cold (user.c:?) [ 131.689981][ T2621] ? br_multicast_flood (??:?) [ 131.689986][ T2621] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 131.689989][ T2621] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 131.689991][ T2621] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 131.689994][ T2621] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 131.689997][ T2621] br_init_port (net/bridge/br_stp_if.c:39) [ 131.690000][ T2621] new_nbp (net/bridge/br_if.c:449) [ 131.690003][ T2621] br_add_if (net/bridge/br_if.c:592) [ 131.690006][ T2621] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 131.690010][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 131.690015][ T2621] do_set_master (net/core/rtnetlink.c:3071) [ 131.690024][ T2621] ? netif_change_flags (net/core/dev.c:9882) [ 131.690027][ T2621] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 131.690030][ T2621] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 131.690035][ T2621] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 131.690037][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.690039][ T2621] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 131.690044][ T2621] ? kasan_save_stack (mm/kasan/common.c:58) [ 131.690046][ T2621] ? kasan_save_stack (mm/kasan/common.c:57) [ 131.690048][ T2621] ? kasan_save_track (mm/kasan/common.c:78) [ 131.690050][ T2621] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 131.690052][ T2621] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 131.690053][ T2621] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 131.690055][ T2621] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 131.690057][ T2621] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 131.690061][ T2621] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 131.690063][ T2621] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 131.690066][ T2621] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 131.690069][ T2621] ? ____sys_sendmsg (net/socket.c:2713) [ 131.690071][ T2621] ? ___sys_sendmsg (net/socket.c:2767) [ 131.690073][ T2621] ? __sys_sendmsg (net/socket.c:2799) [ 131.690076][ T2621] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 131.690080][ T2621] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 131.690084][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.690086][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.690088][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.690090][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.690092][ T2621] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 131.690094][ T2621] ? __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) [ 131.690097][ T2621] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 131.690099][ T2621] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 131.690102][ T2621] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 131.690103][ T2621] ? nla_get_range_signed (lib/nlattr.c:270) [ 131.690108][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.690110][ T2621] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 131.690113][ T2621] rtnl_newlink (net/core/rtnetlink.c:4215) [ 131.690116][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.690118][ T2621] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 131.690120][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.690123][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.690125][ T2621] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 131.690128][ T2621] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 131.690130][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 131.690133][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.690135][ T2621] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 131.690139][ T2621] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 131.690141][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.690143][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.690146][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.690148][ T2621] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 131.690150][ T2621] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 131.690153][ T2621] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 131.690155][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 131.690157][ T2621] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 131.690160][ T2621] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 131.690163][ T2621] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 131.690165][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 131.690167][ T2621] ? netlink_ack (./include/linux/skbuff.h:2718) [ 131.690170][ T2621] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 131.690174][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.690175][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 131.690179][ T2621] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 131.690182][ T2621] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 131.690185][ T2621] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 131.690188][ T2621] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 131.690191][ T2621] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 131.690193][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 131.690196][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.690198][ T2621] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 131.690203][ T2621] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 131.690206][ T2621] ____sys_sendmsg (net/socket.c:2713) [ 131.690208][ T2621] ? copy_msghdr_from_user (net/socket.c:2650) [ 131.690211][ T2621] ? sock_write_iter (net/socket.c:1269) [ 131.690213][ T2621] ? move_addr_to_kernel (net/socket.c:258) [ 131.690215][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 131.690220][ T2621] ___sys_sendmsg (net/socket.c:2767) [ 131.690222][ T2621] ? copy_msghdr_from_user (net/socket.c:2619) [ 131.690230][ T2621] __sys_sendmsg (net/socket.c:2799) [ 131.690233][ T2621] ? __sys_sendmsg_sock (net/socket.c:2780) [ 131.690237][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.690240][ T2621] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 131.690242][ T2621] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 131.690245][ T2621] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 131.690247][ T2621] RIP: 0033:0x7f7edc95b54e [ 131.690250][ T2621] 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 [ 131.690253][ T2621] RSP: 002b:00007ffda38e1240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 131.690257][ T2621] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7edc95b54e [ 131.690259][ T2621] RDX: 0000000000000000 RSI: 00007ffda38e12f0 RDI: 0000000000000005 [ 131.690260][ T2621] RBP: 00007ffda38e1250 R08: 0000000000000000 R09: 0000000000000000 [ 131.690262][ T2621] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918114 [ 131.690263][ T2621] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda38e19c0 | [ 139.081193][ T70] softirqs last disabled at (465058): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 139.081195][ T70] Preemption disabled at: | [ 139.081196][ T70] 0x0 | [ 139.081209][ T70] Tainted: [W]=WARN [ 139.081210][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 139.081213][ T70] Workqueue: netns cleanup_net [ 139.081219][ T70] Call Trace: [ 139.081221][ T70] [ 139.081223][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 139.081230][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 139.081235][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 139.081240][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.081243][ T70] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 139.081247][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 139.081251][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 139.081257][ T70] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 139.081259][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 139.081263][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 139.081265][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 139.081267][ T70] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 139.081270][ T70] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 139.081274][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 139.081280][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 139.081283][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 139.081285][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.081289][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 139.081292][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 139.081295][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.081297][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.081299][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.081300][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.081303][ T70] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 139.081306][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 139.081309][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 139.081313][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 139.081315][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.081318][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 139.081320][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.081322][ T70] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 139.081324][ T70] ? 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) [ 139.081326][ T70] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 139.081328][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 139.081331][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 139.081333][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 139.081336][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 139.081338][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.081340][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 139.081344][ T70] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 139.081346][ T70] _printk (kernel/printk/printk.c:2504) [ 139.081350][ T70] ? snapshot_read.cold (user.c:?) [ 139.081353][ T70] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 139.081361][ T70] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 139.081366][ T70] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 139.081369][ T70] br_device_event (net/bridge/br.c:111) [ 139.081372][ T70] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 139.081374][ T70] ? packet_sendmsg_spkt (af_packet.c:?) [ 139.081377][ T70] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 139.081381][ T70] notifier_call_chain (kernel/notifier.c:85) [ 139.081385][ T70] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 139.081388][ T70] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 139.081391][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.081394][ T70] ? __dev_close_many (net/core/dev.c:1804) [ 139.081396][ T70] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 139.081399][ T70] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 139.081402][ T70] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 139.081404][ T70] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 139.081408][ T70] ? kthread (kernel/kthread.c:436) [ 139.081410][ T70] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 139.081414][ T70] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 139.081416][ T70] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 139.081419][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.081421][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 139.081424][ T70] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 139.081426][ T70] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 139.081428][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.081431][ T70] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 139.081433][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 139.081436][ T70] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 139.081440][ T70] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 139.081443][ T70] ? netns_install (./include/linux/ns_common.h:26) [ 139.081445][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 139.081449][ T70] cleanup_net (net/core/net_namespace.c:706) [ 139.081452][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 139.081455][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.081457][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.081460][ T70] process_one_work (kernel/workqueue.c:3387) [ 139.081464][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 139.081468][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 139.081471][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 139.081475][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 139.081477][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 139.081480][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 139.081482][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 139.081485][ T70] kthread (kernel/kthread.c:436) [ 139.081487][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 139.081489][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 139.081492][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 139.081494][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 139.081497][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 139.081500][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 139.081503][ T70] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 141.235112][ T2842] softirqs last disabled at (0): 0x0 | [ 141.235114][ T2842] Preemption disabled at: | [ 141.235115][ T2842] vprintk_emit (kernel/printk/printk.c:2471) | [ 141.235126][ T2842] Tainted: [W]=WARN [ 141.235126][ T2842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 141.235128][ T2842] Call Trace: [ 141.235130][ T2842] [ 141.235131][ T2842] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 141.235137][ T2842] ? vprintk_emit (kernel/printk/printk.c:2471) [ 141.235138][ T2842] __might_resched.cold (kernel/sched/core.c:9234) [ 141.235142][ T2842] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 141.235145][ T2842] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 141.235149][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.235151][ T2842] __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)) [ 141.235154][ T2842] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 141.235157][ T2842] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 141.235161][ T2842] ? 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) [ 141.235163][ T2842] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 141.235166][ T2842] put_chars (drivers/char/virtio_console.c:1176) [ 141.235167][ T2842] ? __send_to_port (drivers/char/virtio_console.c:654) [ 141.235169][ T2842] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 141.235172][ T2842] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 141.235176][ T2842] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 141.235178][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.235179][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 141.235182][ T2842] console_emit_next_record (kernel/printk/printk.c:3183) [ 141.235185][ T2842] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 141.235187][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.235187][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.235188][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.235190][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 141.235191][ T2842] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 141.235193][ T2842] console_flush_one_record (kernel/printk/printk.c:3268) [ 141.235196][ T2842] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 141.235198][ T2842] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 141.235200][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 141.235202][ T2842] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 141.235203][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.235204][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 141.235206][ T2842] ? 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) [ 141.235207][ T2842] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 141.235209][ T2842] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 141.235211][ T2842] ? vprintk_emit (kernel/printk/printk.c:2478) [ 141.235212][ T2842] vprintk_emit (kernel/printk/printk.c:2479) [ 141.235214][ T2842] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 141.235215][ T2842] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 141.235217][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 141.235220][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 141.235221][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.235223][ T2842] _printk (kernel/printk/printk.c:2504) [ 141.235226][ T2842] ? snapshot_read.cold (user.c:?) [ 141.235228][ T2842] ? br_multicast_flood (??:?) [ 141.235231][ T2842] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 141.235234][ T2842] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 141.235235][ T2842] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 141.235237][ T2842] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 141.235240][ T2842] br_init_port (net/bridge/br_stp_if.c:39) [ 141.235241][ T2842] new_nbp (net/bridge/br_if.c:449) [ 141.235244][ T2842] br_add_if (net/bridge/br_if.c:592) [ 141.235246][ T2842] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 141.235249][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 141.235252][ T2842] do_set_master (net/core/rtnetlink.c:3071) [ 141.235254][ T2842] ? netif_change_flags (net/core/dev.c:9882) [ 141.235256][ T2842] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 141.235258][ T2842] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 141.235259][ T2842] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 141.235260][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.235262][ T2842] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 141.235265][ T2842] ? kasan_save_stack (mm/kasan/common.c:58) [ 141.235267][ T2842] ? kasan_save_stack (mm/kasan/common.c:57) [ 141.235268][ T2842] ? kasan_save_track (mm/kasan/common.c:78) [ 141.235269][ T2842] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 141.235270][ T2842] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 141.235271][ T2842] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 141.235272][ T2842] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 141.235273][ T2842] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 141.235276][ T2842] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 141.235278][ T2842] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 141.235279][ T2842] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 141.235282][ T2842] ? ____sys_sendmsg (net/socket.c:2713) [ 141.235283][ T2842] ? ___sys_sendmsg (net/socket.c:2767) [ 141.235284][ T2842] ? __sys_sendmsg (net/socket.c:2799) [ 141.235286][ T2842] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 141.235289][ T2842] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 141.235292][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.235293][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 141.235294][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.235295][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.235297][ T2842] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 141.235298][ T2842] ? __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) [ 141.235300][ T2842] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 141.235301][ T2842] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 141.235302][ T2842] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 141.235303][ T2842] ? nla_get_range_signed (lib/nlattr.c:270) [ 141.235307][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.235308][ T2842] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 141.235310][ T2842] rtnl_newlink (net/core/rtnetlink.c:4215) [ 141.235312][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.235313][ T2842] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 141.235314][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 141.235316][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.235317][ T2842] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 141.235320][ T2842] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 141.235321][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 141.235323][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.235324][ T2842] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 141.235327][ T2842] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 141.235329][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.235330][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 141.235332][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.235333][ T2842] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 141.235334][ T2842] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 141.235336][ T2842] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 141.235337][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 141.235339][ T2842] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 141.235341][ T2842] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 141.235343][ T2842] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 141.235344][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 141.235345][ T2842] ? netlink_ack (./include/linux/skbuff.h:2718) [ 141.235347][ T2842] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 141.235350][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.235351][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 141.235353][ T2842] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 141.235355][ T2842] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 141.235359][ T2842] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 141.235361][ T2842] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 141.235363][ T2842] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 141.235365][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 141.235366][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 141.235368][ T2842] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 141.235371][ T2842] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 141.235373][ T2842] ____sys_sendmsg (net/socket.c:2713) [ 141.235375][ T2842] ? copy_msghdr_from_user (net/socket.c:2650) [ 141.235377][ T2842] ? sock_write_iter (net/socket.c:1269) [ 141.235378][ T2842] ? move_addr_to_kernel (net/socket.c:258) [ 141.235380][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 141.235382][ T2842] ___sys_sendmsg (net/socket.c:2767) [ 141.235384][ T2842] ? copy_msghdr_from_user (net/socket.c:2619) [ 141.235389][ T2842] __sys_sendmsg (net/socket.c:2799) [ 141.235391][ T2842] ? __sys_sendmsg_sock (net/socket.c:2780) [ 141.235394][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 141.235395][ T2842] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 141.235397][ T2842] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 141.235399][ T2842] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 141.235400][ T2842] RIP: 0033:0x7f843ceca54e [ 141.235402][ T2842] 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 [ 141.235404][ T2842] RSP: 002b:00007ffdddf9b340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 141.235407][ T2842] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f843ceca54e [ 141.235409][ T2842] RDX: 0000000000000000 RSI: 00007ffdddf9b3f0 RDI: 0000000000000005 [ 141.235410][ T2842] RBP: 00007ffdddf9b350 R08: 0000000000000000 R09: 0000000000000000 [ 141.235411][ T2842] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91811e [ 141.235411][ T2842] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdddf9bac0 | [ 148.765908][ T70] softirqs last disabled at (465058): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 148.765910][ T70] Preemption disabled at: | [ 148.765911][ T70] 0x0 | [ 148.765920][ T70] Tainted: [W]=WARN [ 148.765921][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 148.765922][ T70] Workqueue: netns cleanup_net [ 148.765928][ T70] Call Trace: [ 148.765930][ T70] [ 148.765931][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 148.765938][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 148.765941][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 148.765945][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.765948][ T70] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 148.765951][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 148.765953][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 148.765958][ T70] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 148.765960][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 148.765962][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 148.765964][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 148.765965][ T70] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 148.765968][ T70] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 148.765970][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 148.765975][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 148.765976][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 148.765978][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 148.765981][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 148.765983][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 148.765985][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.765986][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.765987][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.765988][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 148.765990][ T70] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 148.765992][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 148.765994][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 148.765997][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 148.765999][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 148.766000][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 148.766002][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.766003][ T70] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 148.766004][ T70] ? 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) [ 148.766006][ T70] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 148.766007][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 148.766009][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 148.766011][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 148.766012][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 148.766013][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.766014][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 148.766017][ T70] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 148.766019][ T70] _printk (kernel/printk/printk.c:2504) [ 148.766022][ T70] ? snapshot_read.cold (user.c:?) [ 148.766024][ T70] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 148.766027][ T70] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 148.766031][ T70] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 148.766033][ T70] br_device_event (net/bridge/br.c:111) [ 148.766036][ T70] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 148.766037][ T70] ? packet_sendmsg_spkt (af_packet.c:?) [ 148.766039][ T70] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 148.766042][ T70] notifier_call_chain (kernel/notifier.c:85) [ 148.766045][ T70] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 148.766048][ T70] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 148.766050][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 148.766052][ T70] ? __dev_close_many (net/core/dev.c:1804) [ 148.766054][ T70] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 148.766056][ T70] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 148.766058][ T70] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 148.766059][ T70] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 148.766062][ T70] ? kthread (kernel/kthread.c:436) [ 148.766064][ T70] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 148.766067][ T70] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 148.766069][ T70] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 148.766070][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.766072][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 148.766074][ T70] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 148.766075][ T70] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 148.766076][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 148.766078][ T70] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 148.766079][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 148.766081][ T70] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 148.766084][ T70] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 148.766086][ T70] ? netns_install (./include/linux/ns_common.h:26) [ 148.766088][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 148.766091][ T70] cleanup_net (net/core/net_namespace.c:706) [ 148.766093][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 148.766095][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 148.766096][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.766098][ T70] process_one_work (kernel/workqueue.c:3387) [ 148.766100][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 148.766103][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 148.766105][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 148.766113][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 148.766115][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 148.766117][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 148.766119][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 148.766121][ T70] kthread (kernel/kthread.c:436) [ 148.766122][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 148.766124][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 148.766126][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 148.766128][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 148.766129][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 148.766132][ T70] ? 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 __fib6_clean_all:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print addrconf_permanent_addr:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars