====================================== | [ 9.817023][ T212] softirqs last disabled at (21119): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.817026][ T212] Preemption disabled at: | [ 9.817027][ T212] 0x0 | [ 9.817037][ T212] Tainted: [W]=WARN [ 9.817038][ T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.817040][ T212] Call Trace: [ 9.817041][ T212] [ 9.817043][ T212] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.817049][ T212] __might_resched.cold (kernel/sched/core.c:9234) [ 9.817053][ T212] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.817057][ T212] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.817062][ T212] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.817064][ T212] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.817071][ T212] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.817073][ T212] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.817077][ T212] put_chars (drivers/char/virtio_console.c:1176) [ 9.817079][ T212] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.817081][ T212] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.817084][ T212] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.817089][ T212] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.817097][ T212] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.817099][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.817102][ T212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.817106][ T212] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.817110][ T212] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.817111][ T212] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.817115][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.817116][ T212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.817120][ T212] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.817124][ T212] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.817126][ T212] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.817131][ T212] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.817134][ T212] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.817136][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.817138][ T212] ? 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) [ 9.817141][ T212] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.817143][ T212] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.817146][ T212] vprintk_emit (kernel/printk/printk.c:2479) [ 9.817149][ T212] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.817152][ T212] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.817155][ T212] _printk (kernel/printk/printk.c:2504) [ 9.817159][ T212] ? snapshot_read.cold (user.c:?) [ 9.817162][ T212] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.817164][ T212] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.817168][ T212] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.817171][ T212] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.817174][ T212] ? exit_notify (kernel/exit.c:780) [ 9.817176][ T212] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.817178][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.817182][ T212] do_group_exit (kernel/exit.c:1151) [ 9.817185][ T212] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.817186][ T212] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.817189][ T212] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.817193][ T212] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.817195][ T212] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.817197][ T212] RIP: 0033:0x7fb37d6211b8 [ 9.817199][ T212] Code: Unable to access opcode bytes at 0x7fb37d62118e. Code starting with the faulting instruction =========================================== [ 9.817201][ T212] RSP: 002b:00007ffd7b1c71b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.817203][ T212] RAX: ffffffffffffffda RBX: 00007fb37d751f88 RCX: 00007fb37d6211b8 [ 9.817204][ T212] RDX: 00007fb37d36bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.817205][ T212] RBP: 00007ffd7b1c7210 R08: 0000000000000000 R09: 0000000000000050 [ 9.817206][ T212] R10: 00007ffd7b1c6fd0 R11: 0000000000000246 R12: 0000000000000001 [ 9.817206][ T212] R13: 0000000000000000 R14: 00007fb37d750680 R15: 00007fb37d751fa0 | [ 11.884363][ T270] softirqs last disabled at (21342): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 11.884365][ T270] Preemption disabled at: | [ 11.884366][ T270] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.884374][ T270] Tainted: [W]=WARN [ 11.884375][ T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.884376][ T270] Call Trace: [ 11.884378][ T270] [ 11.884379][ T270] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.884385][ T270] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.884386][ T270] __might_resched.cold (kernel/sched/core.c:9234) [ 11.884391][ T270] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.884395][ 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) [ 11.884399][ 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)) [ 11.884401][ T270] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.884407][ 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) [ 11.884409][ T270] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.884413][ T270] put_chars (drivers/char/virtio_console.c:1176) [ 11.884415][ T270] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.884418][ T270] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.884423][ T270] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.884431][ T270] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.884433][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.884436][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.884440][ T270] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.884444][ T270] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.884445][ 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)) [ 11.884449][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.884450][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.884454][ T270] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.884458][ T270] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.884460][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.884465][ T270] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.884468][ T270] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.884470][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.884472][ 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) [ 11.884475][ T270] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.884477][ T270] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.884480][ T270] vprintk_emit (kernel/printk/printk.c:2479) [ 11.884483][ T270] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.884485][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.884486][ T270] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 11.884490][ T270] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.884494][ T270] _printk (kernel/printk/printk.c:2504) [ 11.884497][ T270] ? snapshot_read.cold (user.c:?) [ 11.884500][ T270] ? br_multicast_flood (??:?) [ 11.884503][ T270] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.884504][ T270] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.884506][ T270] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.884510][ T270] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 11.884514][ T270] br_init_port (net/bridge/br_stp_if.c:39) [ 11.884516][ T270] new_nbp (net/bridge/br_if.c:449) [ 11.884520][ T270] br_add_if (net/bridge/br_if.c:592) [ 11.884522][ T270] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 11.884526][ T270] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 11.884535][ T270] do_set_master (net/core/rtnetlink.c:3071) [ 11.884536][ T270] ? netif_change_flags (net/core/dev.c:9882) [ 11.884540][ T270] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.884543][ T270] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.884546][ T270] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.884548][ T270] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.884550][ T270] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.884554][ T270] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.884556][ T270] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.884558][ T270] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.884560][ T270] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.884562][ T270] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.884563][ T270] ? kasan_save_track (mm/kasan/common.c:78) [ 11.884564][ T270] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 11.884567][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.884569][ T270] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 11.884571][ T270] ? ___sys_sendmsg (net/socket.c:2758) [ 11.884575][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.884577][ T270] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.884580][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.884581][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.884583][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.884584][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.884586][ T270] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.884588][ 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) [ 11.884590][ T270] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.884592][ T270] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.884595][ T270] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.884596][ T270] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.884600][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.884603][ T270] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.884608][ T270] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.884618][ T270] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.884620][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.884624][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.884626][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.884628][ T270] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.884630][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.884634][ T270] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.884636][ T270] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.884639][ T270] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.884640][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.884644][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.884646][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.884650][ T270] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.884653][ T270] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.884656][ T270] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.884662][ 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)) [ 11.884664][ 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)) [ 11.884668][ T270] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.884672][ T270] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.884675][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.884679][ T270] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.884683][ T270] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.884686][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.884688][ T270] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 11.884693][ T270] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 11.884696][ T270] ____sys_sendmsg (net/socket.c:2713) [ 11.884698][ T270] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.884700][ T270] ? sock_write_iter (net/socket.c:1269) [ 11.884702][ T270] ? move_addr_to_kernel (net/socket.c:258) [ 11.884709][ T270] ___sys_sendmsg (net/socket.c:2767) [ 11.884711][ T270] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.884727][ T270] __sys_sendmsg (net/socket.c:2799) [ 11.884729][ T270] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.884735][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.884738][ T270] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.884741][ T270] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.884744][ T270] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.884746][ T270] RIP: 0033:0x7eff4f5f654e [ 11.884750][ 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 [ 11.884752][ T270] RSP: 002b:00007ffd9b99b6e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.884754][ T270] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007eff4f5f654e [ 11.884756][ T270] RDX: 0000000000000000 RSI: 00007ffd9b99b790 RDI: 0000000000000005 [ 11.884757][ T270] RBP: 00007ffd9b99b6f0 R08: 0000000000000000 R09: 0000000000000000 [ 11.884758][ T270] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91168b [ 11.884758][ T270] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9b99be60 | [ 18.197538][ T311] softirqs last disabled at (16617): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 18.197540][ T311] Preemption disabled at: | [ 18.197541][ T311] vprintk_emit (kernel/printk/printk.c:2471) | [ 18.197550][ T311] Tainted: [W]=WARN [ 18.197550][ T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.197552][ T311] Call Trace: [ 18.197554][ T311] [ 18.197555][ T311] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.197561][ T311] ? vprintk_emit (kernel/printk/printk.c:2471) [ 18.197562][ T311] __might_resched.cold (kernel/sched/core.c:9234) [ 18.197567][ T311] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.197570][ T311] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.197575][ T311] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 18.197577][ T311] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.197584][ T311] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 18.197586][ T311] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.197590][ T311] put_chars (drivers/char/virtio_console.c:1176) [ 18.197591][ T311] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 18.197594][ T311] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.197597][ T311] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.197600][ T311] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.197604][ T311] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.197608][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.197610][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.197614][ T311] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.197616][ T311] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 18.197619][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.197622][ T311] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.197625][ T311] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.197629][ T311] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.197631][ T311] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 18.197634][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.197636][ T311] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.197643][ T311] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.197647][ T311] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.197649][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.197654][ T311] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.197657][ T311] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.197659][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.197660][ T311] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 18.197664][ T311] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.197666][ T311] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.197668][ T311] vprintk_emit (kernel/printk/printk.c:2479) [ 18.197671][ T311] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.197676][ T311] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 18.197679][ T311] _printk (kernel/printk/printk.c:2504) [ 18.197683][ T311] ? snapshot_read.cold (user.c:?) [ 18.197689][ T311] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 18.197692][ T311] gact_init_module (net/sched/act_gact.c:180) act_gact [ 18.197694][ T311] do_one_initcall (init/main.c:1357) [ 18.197697][ T311] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 18.197702][ T311] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 18.197704][ T311] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 18.197710][ T311] do_init_module (kernel/module/main.c:3117) [ 18.197713][ T311] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 18.197716][ T311] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 18.197719][ T311] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 18.197722][ T311] load_module (kernel/module/main.c:3593) [ 18.197727][ T311] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 18.197732][ T311] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 18.197735][ T311] ? __ia32_sys_fsconfig (??:?) [ 18.197739][ T311] ? backing_file_read_iter (fs/backing-file.c:211) [ 18.197743][ T311] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.197746][ T311] init_module_from_file (kernel/module/main.c:3790) [ 18.197749][ T311] ? __do_sys_init_module (kernel/module/main.c:3664) [ 18.197756][ T311] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.197759][ T311] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 18.197762][ T311] idempotent_init_module (kernel/module/main.c:3802) [ 18.197765][ T311] ? init_module_from_file (kernel/module/main.c:3791) [ 18.197770][ T311] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 18.197773][ T311] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 18.197778][ T311] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 18.197780][ T311] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.197784][ T311] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.197786][ T311] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.197789][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.197791][ T311] RIP: 0033:0x7f048552e37d [ 18.197794][ T311] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 18.197796][ T311] RSP: 002b:00007ffdac516e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 18.197798][ T311] RAX: ffffffffffffffda RBX: 000055da5cb9d810 RCX: 00007f048552e37d [ 18.197800][ T311] RDX: 0000000000000000 RSI: 000055da4bd6cffd RDI: 0000000000000000 [ 18.197801][ T311] RBP: 00007ffdac516ea0 R08: 0000000000000000 R09: 0000000000000000 [ 18.197801][ T311] R10: 0000000000000000 R11: 0000000000000246 R12: 000055da4bd6cffd [ 18.197802][ T311] R13: 000055da5cb9d960 R14: 0000000000040000 R15: 0000000000000000 | [ 24.138272][ T71] softirqs last disabled at (33194): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 24.138274][ T71] Preemption disabled at: | [ 24.138275][ T71] 0x0 | [ 24.138285][ T71] Tainted: [W]=WARN [ 24.138286][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.138288][ T71] Workqueue: netns cleanup_net [ 24.138291][ T71] Call Trace: [ 24.138293][ T71] [ 24.138294][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.138301][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 24.138305][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.138309][ T71] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 24.138314][ T71] __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)) [ 24.138316][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.138322][ T71] ? 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) [ 24.138325][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.138329][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 24.138331][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.138338][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.138346][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.138349][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.138354][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.138358][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.138360][ T71] ? 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)) [ 24.138363][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.138366][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.138370][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.138374][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.138376][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.138382][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.138384][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.138386][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.138388][ T71] ? 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) [ 24.138392][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.138394][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.138396][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 24.138400][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.138401][ T71] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 24.138407][ T71] _printk (kernel/printk/printk.c:2504) [ 24.138410][ T71] ? snapshot_read.cold (user.c:?) [ 24.138418][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 24.138423][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 24.138426][ T71] br_device_event (net/bridge/br.c:111) [ 24.138428][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 24.138432][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 24.138438][ T71] notifier_call_chain (kernel/notifier.c:85) [ 24.138444][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 24.138447][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 24.138450][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 24.138453][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 24.138458][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 24.138460][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 24.138462][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 24.138464][ T71] ? kthread (kernel/kthread.c:436) [ 24.138466][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 24.138469][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 24.138472][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 24.138475][ T71] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 24.138481][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 24.138484][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 24.138487][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.138489][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 24.138493][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 24.138497][ T71] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 24.138500][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 24.138502][ T71] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.138505][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 24.138510][ T71] cleanup_net (net/core/net_namespace.c:706) [ 24.138513][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 24.138517][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.138518][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.138522][ T71] process_one_work (kernel/workqueue.c:3387) [ 24.138531][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 24.138535][ T71] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.138542][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 24.138547][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.138549][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 24.138552][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.138555][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.138557][ T71] kthread (kernel/kthread.c:436) [ 24.138559][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 24.138562][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.138565][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 24.138568][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 24.138571][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 24.138575][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.138577][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 27.109225][ T556] softirqs last disabled at (26320): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 27.109227][ T556] Preemption disabled at: | [ 27.109227][ T556] vprintk_emit (kernel/printk/printk.c:2471) | [ 27.109236][ T556] Tainted: [W]=WARN [ 27.109237][ T556] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.109238][ T556] Call Trace: [ 27.109240][ T556] [ 27.109241][ T556] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.109247][ T556] ? vprintk_emit (kernel/printk/printk.c:2471) [ 27.109249][ T556] __might_resched.cold (kernel/sched/core.c:9234) [ 27.109253][ T556] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.109257][ T556] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 27.109262][ T556] __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)) [ 27.109264][ T556] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.109270][ T556] ? 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) [ 27.109273][ T556] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.109277][ T556] put_chars (drivers/char/virtio_console.c:1176) [ 27.109279][ T556] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.109280][ T556] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.109284][ T556] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.109289][ T556] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.109296][ T556] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.109299][ T556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.109301][ T556] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.109305][ T556] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.109309][ T556] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.109311][ T556] ? 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)) [ 27.109314][ T556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.109315][ T556] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.109319][ T556] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.109324][ T556] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.109325][ T556] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.109331][ T556] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.109334][ T556] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.109335][ T556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.109337][ T556] ? 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) [ 27.109341][ T556] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.109342][ T556] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.109345][ T556] vprintk_emit (kernel/printk/printk.c:2479) [ 27.109348][ T556] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.109350][ T556] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.109353][ T556] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 27.109356][ T556] _printk (kernel/printk/printk.c:2504) [ 27.109360][ T556] ? snapshot_read.cold (user.c:?) [ 27.109363][ T556] ? br_multicast_flood (??:?) [ 27.109366][ T556] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 27.109368][ T556] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 27.109369][ T556] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 27.109373][ T556] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 27.109377][ T556] br_init_port (net/bridge/br_stp_if.c:39) [ 27.109380][ T556] new_nbp (net/bridge/br_if.c:449) [ 27.109383][ T556] br_add_if (net/bridge/br_if.c:592) [ 27.109386][ T556] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 27.109390][ T556] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 27.109395][ T556] do_set_master (net/core/rtnetlink.c:3071) [ 27.109396][ T556] ? netif_change_flags (net/core/dev.c:9882) [ 27.109400][ T556] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 27.109403][ T556] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 27.109407][ T556] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 27.109408][ T556] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 27.109411][ T556] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 27.109414][ T556] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.109416][ T556] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.109418][ T556] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.109421][ T556] ? kasan_save_stack (mm/kasan/common.c:58) [ 27.109423][ T556] ? kasan_save_stack (mm/kasan/common.c:57) [ 27.109424][ T556] ? kasan_save_track (mm/kasan/common.c:78) [ 27.109425][ T556] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 27.109428][ T556] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.109429][ T556] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 27.109432][ T556] ? ___sys_sendmsg (net/socket.c:2758) [ 27.109436][ T556] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.109438][ T556] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 27.109441][ T556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.109442][ T556] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.109444][ T556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.109445][ T556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.109447][ T556] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 27.109449][ T556] ? __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) [ 27.109451][ T556] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 27.109453][ T556] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 27.109456][ T556] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 27.109458][ T556] ? nla_get_range_signed (lib/nlattr.c:270) [ 27.109462][ T556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.109464][ T556] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 27.109470][ T556] rtnl_newlink (net/core/rtnetlink.c:4215) [ 27.109475][ T556] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 27.109477][ T556] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.109481][ T556] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.109483][ T556] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.109485][ T556] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 27.109487][ T556] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.109491][ T556] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 27.109493][ T556] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 27.109496][ T556] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 27.109497][ T556] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.109501][ T556] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.109503][ T556] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.109507][ T556] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 27.109510][ T556] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 27.109513][ T556] ? netlink_ack (./include/linux/skbuff.h:2718) [ 27.109519][ T556] ? 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)) [ 27.109521][ T556] ? 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)) [ 27.109525][ T556] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 27.109531][ T556] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 27.109533][ T556] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.109538][ T556] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 27.109541][ T556] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 27.109545][ T556] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.109547][ T556] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 27.109552][ T556] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 27.109555][ T556] ____sys_sendmsg (net/socket.c:2713) [ 27.109557][ T556] ? copy_msghdr_from_user (net/socket.c:2650) [ 27.109559][ T556] ? sock_write_iter (net/socket.c:1269) [ 27.109561][ T556] ? move_addr_to_kernel (net/socket.c:258) [ 27.109568][ T556] ___sys_sendmsg (net/socket.c:2767) [ 27.109570][ T556] ? copy_msghdr_from_user (net/socket.c:2619) [ 27.109586][ T556] __sys_sendmsg (net/socket.c:2799) [ 27.109588][ T556] ? __sys_sendmsg_sock (net/socket.c:2780) [ 27.109594][ T556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.109597][ T556] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 27.109600][ T556] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 27.109603][ T556] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 27.109605][ T556] RIP: 0033:0x7f131c45954e [ 27.109609][ T556] 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 [ 27.109611][ T556] RSP: 002b:00007ffe183af3b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 27.109613][ T556] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f131c45954e [ 27.109615][ T556] RDX: 0000000000000000 RSI: 00007ffe183af460 RDI: 0000000000000005 [ 27.109615][ T556] RBP: 00007ffe183af3c0 R08: 0000000000000000 R09: 0000000000000000 [ 27.109616][ T556] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91169a [ 27.109617][ T556] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe183afb30 | [ 34.596818][ T71] softirqs last disabled at (273504): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 34.596820][ T71] Preemption disabled at: | [ 34.596821][ T71] 0x0 | [ 34.596831][ T71] Tainted: [W]=WARN [ 34.596832][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.596833][ T71] Workqueue: netns cleanup_net [ 34.596837][ T71] Call Trace: [ 34.596838][ T71] [ 34.596840][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.596846][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 34.596851][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.596855][ T71] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 34.596859][ T71] __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)) [ 34.596861][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.596868][ T71] ? 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) [ 34.596871][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.596875][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 34.596877][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.596884][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.596892][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.596895][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.596900][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.596904][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.596906][ T71] ? 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)) [ 34.596909][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.596912][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.596916][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.596920][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.596922][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.596928][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.596930][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.596932][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.596934][ T71] ? 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) [ 34.596938][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.596940][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.596942][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 34.596945][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.596947][ T71] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 34.596949][ T71] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 34.596951][ T71] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.596956][ T71] _printk (kernel/printk/printk.c:2504) [ 34.596960][ T71] ? snapshot_read.cold (user.c:?) [ 34.596967][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 34.596972][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 34.596975][ T71] br_device_event (net/bridge/br.c:111) [ 34.596978][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 34.596982][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 34.596987][ T71] notifier_call_chain (kernel/notifier.c:85) [ 34.596993][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 34.596996][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 34.597000][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 34.597003][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 34.597007][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 34.597010][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 34.597012][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 34.597013][ T71] ? kthread (kernel/kthread.c:436) [ 34.597015][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 34.597019][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 34.597021][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 34.597025][ T71] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 34.597030][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 34.597034][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 34.597036][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.597038][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 34.597043][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 34.597047][ T71] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 34.597049][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 34.597051][ T71] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.597054][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 34.597059][ T71] cleanup_net (net/core/net_namespace.c:706) [ 34.597062][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 34.597066][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.597068][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.597071][ T71] process_one_work (kernel/workqueue.c:3387) [ 34.597078][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 34.597081][ T71] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.597089][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 34.597093][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 34.597095][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 34.597098][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 34.597100][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 34.597102][ T71] kthread (kernel/kthread.c:436) [ 34.597104][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 34.597108][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 34.597111][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 34.597113][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 34.597117][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 34.597120][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 34.597123][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 37.493910][ T757] softirqs last disabled at (19914): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 37.493912][ T757] Preemption disabled at: | [ 37.493913][ T757] vprintk_emit (kernel/printk/printk.c:2471) | [ 37.493922][ T757] Tainted: [W]=WARN [ 37.493922][ T757] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.493924][ T757] Call Trace: [ 37.493926][ T757] [ 37.493927][ T757] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.493933][ T757] ? vprintk_emit (kernel/printk/printk.c:2471) [ 37.493935][ T757] __might_resched.cold (kernel/sched/core.c:9234) [ 37.493939][ T757] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.493943][ 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) [ 37.493947][ 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)) [ 37.493949][ T757] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.493956][ 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) [ 37.493959][ T757] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.493963][ T757] put_chars (drivers/char/virtio_console.c:1176) [ 37.493965][ T757] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.493966][ T757] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.493970][ T757] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 37.493975][ T757] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.493983][ T757] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.493985][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.493987][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.493991][ T757] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.493996][ T757] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.493998][ 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)) [ 37.494001][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.494002][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.494006][ T757] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.494011][ T757] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.494012][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.494018][ T757] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.494021][ T757] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.494022][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.494024][ 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) [ 37.494028][ T757] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.494029][ T757] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.494032][ T757] vprintk_emit (kernel/printk/printk.c:2479) [ 37.494035][ T757] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.494037][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.494040][ T757] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 37.494043][ T757] _printk (kernel/printk/printk.c:2504) [ 37.494047][ T757] ? snapshot_read.cold (user.c:?) [ 37.494050][ T757] ? br_multicast_flood (??:?) [ 37.494054][ T757] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 37.494055][ T757] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 37.494056][ T757] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 37.494060][ T757] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 37.494065][ T757] br_init_port (net/bridge/br_stp_if.c:39) [ 37.494067][ T757] new_nbp (net/bridge/br_if.c:449) [ 37.494071][ T757] br_add_if (net/bridge/br_if.c:592) [ 37.494073][ T757] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 37.494077][ T757] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 37.494083][ T757] do_set_master (net/core/rtnetlink.c:3071) [ 37.494084][ T757] ? netif_change_flags (net/core/dev.c:9882) [ 37.494088][ T757] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 37.494091][ T757] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 37.494094][ T757] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 37.494096][ T757] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 37.494098][ T757] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 37.494102][ T757] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.494104][ T757] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.494105][ T757] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 37.494108][ T757] ? kasan_save_stack (mm/kasan/common.c:58) [ 37.494110][ T757] ? kasan_save_stack (mm/kasan/common.c:57) [ 37.494111][ T757] ? kasan_save_track (mm/kasan/common.c:78) [ 37.494113][ T757] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 37.494115][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.494117][ T757] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 37.494120][ T757] ? ___sys_sendmsg (net/socket.c:2758) [ 37.494124][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.494126][ T757] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 37.494128][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.494130][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.494132][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.494133][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.494134][ T757] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 37.494137][ 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) [ 37.494139][ T757] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 37.494141][ T757] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 37.494144][ T757] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 37.494146][ T757] ? nla_get_range_signed (lib/nlattr.c:270) [ 37.494150][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.494153][ T757] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 37.494158][ T757] rtnl_newlink (net/core/rtnetlink.c:4215) [ 37.494163][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.494165][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.494169][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.494171][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.494173][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.494175][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.494179][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.494181][ T757] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 37.494184][ T757] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 37.494185][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.494190][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.494192][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.494195][ T757] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 37.494198][ T757] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 37.494201][ T757] ? netlink_ack (./include/linux/skbuff.h:2718) [ 37.494208][ 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)) [ 37.494210][ 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)) [ 37.494214][ T757] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 37.494218][ T757] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 37.494221][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.494225][ T757] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 37.494229][ T757] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 37.494233][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.494235][ T757] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 37.494240][ T757] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 37.494243][ T757] ____sys_sendmsg (net/socket.c:2713) [ 37.494245][ T757] ? copy_msghdr_from_user (net/socket.c:2650) [ 37.494247][ T757] ? sock_write_iter (net/socket.c:1269) [ 37.494249][ T757] ? move_addr_to_kernel (net/socket.c:258) [ 37.494256][ T757] ___sys_sendmsg (net/socket.c:2767) [ 37.494259][ T757] ? copy_msghdr_from_user (net/socket.c:2619) [ 37.494275][ T757] __sys_sendmsg (net/socket.c:2799) [ 37.494277][ T757] ? __sys_sendmsg_sock (net/socket.c:2780) [ 37.494284][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.494287][ T757] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 37.494289][ T757] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 37.494292][ T757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.494294][ T757] RIP: 0033:0x7f266fea554e [ 37.494298][ 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 [ 37.494300][ T757] RSP: 002b:00007fffa409b770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 37.494303][ T757] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f266fea554e [ 37.494304][ T757] RDX: 0000000000000000 RSI: 00007fffa409b820 RDI: 0000000000000005 [ 37.494305][ T757] RBP: 00007fffa409b780 R08: 0000000000000000 R09: 0000000000000000 [ 37.494306][ T757] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9116a4 [ 37.494306][ T757] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa409bef0 | [ 52.682641][ C3] softirqs last disabled at (1471723): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 52.682643][ C3] Preemption disabled at: | [ 52.682644][ C3] 0x0 | [ 52.682655][ C3] Tainted: [W]=WARN [ 52.682656][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.682658][ C3] Call Trace: [ 52.682660][ C3] [ 52.682662][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.682668][ C3] __might_resched.cold (kernel/sched/core.c:9234) [ 52.682671][ C3] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 52.682674][ C3] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 52.682678][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.682680][ C3] __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)) [ 52.682683][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.682686][ C3] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.682690][ C3] ? 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) [ 52.682692][ C3] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.682695][ C3] put_chars (drivers/char/virtio_console.c:1176) [ 52.682696][ C3] ? __send_to_port (drivers/char/virtio_console.c:654) [ 52.682698][ C3] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 52.682701][ C3] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 52.682706][ C3] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 52.682708][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.682709][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.682712][ C3] console_emit_next_record (kernel/printk/printk.c:3183) [ 52.682714][ C3] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 52.682716][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.682717][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.682718][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.682720][ C3] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 52.682722][ C3] console_flush_one_record (kernel/printk/printk.c:3268) [ 52.682725][ C3] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 52.682727][ C3] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 52.682729][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.682731][ C3] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 52.682732][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.682733][ C3] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 52.682735][ C3] ? 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) [ 52.682737][ C3] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 52.682739][ C3] ? vprintk_emit (kernel/printk/printk.c:2478) [ 52.682740][ C3] vprintk_emit (kernel/printk/printk.c:2479) [ 52.682742][ C3] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 52.682743][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:418) [ 52.682747][ C3] _printk (kernel/printk/printk.c:2504) [ 52.682750][ C3] ? snapshot_read.cold (user.c:?) [ 52.682752][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 52.682755][ C3] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 52.682756][ C3] ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723) [ 52.682758][ C3] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1)) [ 52.682761][ C3] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 52.682763][ C3] mark_lock (kernel/locking/lockdep.c:4769) [ 52.682765][ C3] mark_usage (kernel/locking/lockdep.c:4658) [ 52.682767][ C3] __lock_acquire (kernel/locking/lockdep.c:5208) [ 52.682769][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.682771][ C3] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.682774][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.682775][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.682777][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.682779][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 52.682780][ C3] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.682781][ C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.682783][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.682784][ C3] call_timer_fn (kernel/time/timer.c:1748) [ 52.682788][ C3] ? detach_if_pending (./include/linux/list.h:1159) [ 52.682789][ C3] ? debug_object_active_state (lib/debugobjects.c:1122) [ 52.682796][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.682798][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.682800][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.682802][ C3] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 52.682804][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.682805][ C3] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 52.682807][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.682810][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.682812][ C3] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 52.682815][ C3] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 52.682817][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.682819][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.682821][ C3] handle_softirqs (kernel/softirq.c:645) [ 52.682823][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.682824][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 52.682826][ C3] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 52.682828][ C3] irq_exit_rcu (kernel/softirq.c:784) [ 52.682830][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 52.682832][ C3] [ 52.682832][ C3] [ 52.682833][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 52.682835][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 52.682837][ C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 52.682840][ C3] 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 [ 52.682842][ C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282 [ 52.682845][ C3] RAX: 00000000001674e9 RBX: ff11000001cb8040 RCX: ffffffff9fb06247 [ 52.682846][ C3] RDX: ff11000001cb8040 RSI: ffffffffa2d11027 RDI: ffffffffa26949e0 [ 52.682847][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 52.682848][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3 [ 52.682849][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 52.682850][ C3] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.682854][ C3] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 52.682856][ C3] default_idle_call (kernel/sched/idle.c:122) [ 52.682857][ C3] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.682859][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 52.682861][ C3] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 52.682863][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.682865][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.682866][ C3] do_idle (kernel/sched/idle.c:355) [ 52.682868][ C3] cpu_startup_entry (kernel/sched/idle.c:454) [ 52.682869][ C3] start_secondary (arch/x86/kernel/smpboot.c:312) [ 52.682871][ C3] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 52.682873][ C3] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 52.740235][ C3] | [ 52.740353][ C3] | [ 52.740353][ C3] stack backtrace: | [ 52.740523][ C3] Tainted: [W]=WARN [ 52.740524][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.740525][ C3] Call Trace: [ 52.740526][ C3] [ 52.740527][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.740532][ C3] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 52.740535][ C3] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 52.740538][ C3] mark_lock (kernel/locking/lockdep.c:4769) [ 52.740540][ C3] mark_usage (kernel/locking/lockdep.c:4658) [ 52.740542][ C3] __lock_acquire (kernel/locking/lockdep.c:5208) [ 52.740544][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.740546][ C3] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.740547][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.740549][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.740551][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.740553][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 52.740554][ C3] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.740556][ C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.740557][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.740559][ C3] call_timer_fn (kernel/time/timer.c:1748) [ 52.740561][ C3] ? detach_if_pending (./include/linux/list.h:1159) [ 52.740562][ C3] ? debug_object_active_state (lib/debugobjects.c:1122) [ 52.740566][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.740567][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.740569][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.740571][ C3] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 52.740572][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.740574][ C3] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 52.740576][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.740579][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.740582][ C3] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 52.740584][ C3] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 52.740586][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.740588][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.740590][ C3] handle_softirqs (kernel/softirq.c:645) [ 52.740592][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.740594][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 52.740596][ C3] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 52.740597][ C3] irq_exit_rcu (kernel/softirq.c:784) [ 52.740599][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 52.740600][ C3] [ 52.740601][ C3] [ 52.740602][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 52.740603][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 52.740605][ C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 52.740607][ C3] 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 [ 52.740608][ C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282 [ 52.740610][ C3] RAX: 00000000001674e9 RBX: ff11000001cb8040 RCX: ffffffff9fb06247 [ 52.740612][ C3] RDX: ff11000001cb8040 RSI: ffffffffa2d11027 RDI: ffffffffa26949e0 [ 52.740612][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 52.740613][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3 [ 52.740614][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 52.740615][ C3] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.740618][ C3] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 52.740619][ C3] default_idle_call (kernel/sched/idle.c:122) [ 52.740621][ C3] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.740622][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 52.740624][ C3] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 52.740626][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.740627][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.740628][ C3] do_idle (kernel/sched/idle.c:355) [ 52.740630][ C3] cpu_startup_entry (kernel/sched/idle.c:454) [ 52.740632][ C3] start_secondary (arch/x86/kernel/smpboot.c:312) [ 52.740633][ C3] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 52.740635][ C3] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 57.219722][ T71] softirqs last disabled at (451198): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 57.219724][ T71] Preemption disabled at: | [ 57.219725][ T71] 0x0 | [ 57.219734][ T71] Tainted: [W]=WARN [ 57.219735][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 57.219737][ T71] Workqueue: netns cleanup_net [ 57.219742][ T71] Call Trace: [ 57.219744][ T71] [ 57.219746][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 57.219752][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 57.219756][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 57.219759][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.219762][ T71] __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)) [ 57.219765][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 57.219768][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 57.219772][ T71] ? 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) [ 57.219774][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 57.219776][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 57.219778][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 57.219779][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 57.219782][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 57.219784][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 57.219789][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 57.219790][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 57.219792][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.219794][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 57.219797][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 57.219799][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.219800][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.219801][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.219802][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.219804][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 57.219805][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 57.219807][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 57.219810][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 57.219820][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.219821][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 57.219823][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.219824][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 57.219825][ T71] ? 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) [ 57.219827][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 57.219828][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 57.219830][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 57.219831][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 57.219833][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 57.219834][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.219835][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 57.219838][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 57.219840][ T71] _printk (kernel/printk/printk.c:2504) [ 57.219842][ T71] ? snapshot_read.cold (user.c:?) [ 57.219844][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 57.219847][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 57.219851][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 57.219852][ T71] br_device_event (net/bridge/br.c:111) [ 57.219855][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 57.219856][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 57.219858][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 57.219861][ T71] notifier_call_chain (kernel/notifier.c:85) [ 57.219864][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 57.219866][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 57.219868][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.219870][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 57.219871][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 57.219873][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 57.219875][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 57.219877][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 57.219880][ T71] ? kthread (kernel/kthread.c:436) [ 57.219881][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 57.219884][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 57.219886][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 57.219888][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.219889][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 57.219891][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 57.219892][ T71] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 57.219893][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.219895][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 57.219896][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 57.219898][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 57.219900][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 57.219902][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 57.219904][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 57.219907][ T71] cleanup_net (net/core/net_namespace.c:706) [ 57.219909][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 57.219910][ T71] ? update_load_avg (kernel/sched/fair.c:5864) [ 57.219912][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.219914][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.219915][ T71] process_one_work (kernel/workqueue.c:3387) [ 57.219918][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 57.219920][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 57.219922][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 57.219924][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 57.219926][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 57.219928][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 57.219930][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 57.219932][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 57.219933][ T71] kthread (kernel/kthread.c:436) [ 57.219935][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 57.219936][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 57.219938][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 57.219939][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 57.219941][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 57.219944][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 57.219946][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 59.127770][ T1034] softirqs last disabled at (0): 0x0 | [ 59.127772][ T1034] Preemption disabled at: | [ 59.127773][ T1034] vprintk_emit (kernel/printk/printk.c:2471) | [ 59.127783][ T1034] Tainted: [W]=WARN [ 59.127784][ T1034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 59.127785][ T1034] Call Trace: [ 59.127787][ T1034] [ 59.127788][ T1034] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 59.127793][ T1034] ? vprintk_emit (kernel/printk/printk.c:2471) [ 59.127795][ T1034] __might_resched.cold (kernel/sched/core.c:9234) [ 59.127798][ T1034] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 59.127801][ T1034] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 59.127804][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.127807][ 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)) [ 59.127809][ T1034] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 59.127812][ T1034] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 59.127817][ 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) [ 59.127819][ T1034] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 59.127826][ T1034] put_chars (drivers/char/virtio_console.c:1176) [ 59.127828][ T1034] ? __send_to_port (drivers/char/virtio_console.c:654) [ 59.127829][ T1034] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 59.127832][ T1034] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 59.127836][ T1034] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 59.127838][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.127839][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.127842][ T1034] console_emit_next_record (kernel/printk/printk.c:3183) [ 59.127845][ T1034] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 59.127846][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.127847][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.127848][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.127849][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.127851][ T1034] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 59.127853][ T1034] console_flush_one_record (kernel/printk/printk.c:3268) [ 59.127855][ T1034] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 59.127858][ T1034] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 59.127860][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.127861][ T1034] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 59.127863][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.127864][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 59.127865][ 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) [ 59.127867][ T1034] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 59.127868][ T1034] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 59.127870][ T1034] ? vprintk_emit (kernel/printk/printk.c:2478) [ 59.127871][ T1034] vprintk_emit (kernel/printk/printk.c:2479) [ 59.127873][ T1034] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 59.127874][ T1034] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 59.127876][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 59.127878][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.127880][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.127881][ T1034] _printk (kernel/printk/printk.c:2504) [ 59.127884][ T1034] ? snapshot_read.cold (user.c:?) [ 59.127886][ T1034] ? br_multicast_flood (??:?) [ 59.127889][ T1034] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 59.127892][ T1034] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 59.127893][ T1034] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 59.127895][ T1034] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 59.127897][ T1034] br_init_port (net/bridge/br_stp_if.c:39) [ 59.127899][ T1034] new_nbp (net/bridge/br_if.c:449) [ 59.127901][ T1034] br_add_if (net/bridge/br_if.c:592) [ 59.127903][ T1034] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 59.127906][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 59.127909][ T1034] do_set_master (net/core/rtnetlink.c:3071) [ 59.127910][ T1034] ? netif_change_flags (net/core/dev.c:9882) [ 59.127913][ T1034] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 59.127914][ T1034] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 59.127916][ T1034] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 59.127917][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.127918][ T1034] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 59.127921][ T1034] ? kasan_save_stack (mm/kasan/common.c:58) [ 59.127923][ T1034] ? kasan_save_stack (mm/kasan/common.c:57) [ 59.127924][ T1034] ? kasan_save_track (mm/kasan/common.c:78) [ 59.127925][ T1034] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 59.127926][ T1034] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 59.127927][ T1034] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 59.127928][ T1034] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 59.127929][ T1034] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 59.127932][ T1034] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 59.127933][ T1034] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 59.127935][ T1034] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 59.127937][ T1034] ? ____sys_sendmsg (net/socket.c:2713) [ 59.127939][ T1034] ? ___sys_sendmsg (net/socket.c:2767) [ 59.127940][ T1034] ? __sys_sendmsg (net/socket.c:2799) [ 59.127942][ T1034] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 59.127945][ T1034] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 59.127947][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.127948][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.127950][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.127951][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.127952][ T1034] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 59.127953][ 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) [ 59.127955][ T1034] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 59.127956][ T1034] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 59.127957][ T1034] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 59.127958][ T1034] ? nla_get_range_signed (lib/nlattr.c:270) [ 59.127961][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.127963][ T1034] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 59.127965][ T1034] rtnl_newlink (net/core/rtnetlink.c:4215) [ 59.127966][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.127968][ T1034] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 59.127969][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.127970][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.127971][ T1034] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 59.127974][ T1034] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 59.127975][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 59.127976][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.127977][ T1034] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 59.127981][ T1034] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 59.127983][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.127984][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.127985][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.127987][ T1034] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 59.127988][ T1034] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 59.127990][ T1034] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 59.127991][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 59.127992][ T1034] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 59.127994][ T1034] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 59.127996][ T1034] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 59.127997][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 59.127999][ T1034] ? netlink_ack (./include/linux/skbuff.h:2718) [ 59.128000][ T1034] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 59.128003][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.128004][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 59.128006][ T1034] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 59.128008][ T1034] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 59.128010][ T1034] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 59.128012][ T1034] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 59.128014][ T1034] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 59.128015][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 59.128017][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.128018][ T1034] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 59.128021][ T1034] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 59.128023][ T1034] ____sys_sendmsg (net/socket.c:2713) [ 59.128025][ T1034] ? copy_msghdr_from_user (net/socket.c:2650) [ 59.128026][ T1034] ? sock_write_iter (net/socket.c:1269) [ 59.128028][ T1034] ? move_addr_to_kernel (net/socket.c:258) [ 59.128029][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 59.128032][ T1034] ___sys_sendmsg (net/socket.c:2767) [ 59.128033][ T1034] ? copy_msghdr_from_user (net/socket.c:2619) [ 59.128038][ T1034] __sys_sendmsg (net/socket.c:2799) [ 59.128040][ T1034] ? __sys_sendmsg_sock (net/socket.c:2780) [ 59.128042][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.128044][ T1034] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 59.128046][ T1034] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 59.128048][ T1034] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 59.128049][ T1034] RIP: 0033:0x7ff95f93754e [ 59.128051][ 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 [ 59.128053][ T1034] RSP: 002b:00007ffcd1481320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 59.128056][ T1034] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff95f93754e [ 59.128058][ T1034] RDX: 0000000000000000 RSI: 00007ffcd14813d0 RDI: 0000000000000005 [ 59.128059][ T1034] RBP: 00007ffcd1481330 R08: 0000000000000000 R09: 0000000000000000 [ 59.128059][ T1034] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9116ba [ 59.128060][ T1034] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd1481aa0 | [ 65.953800][ T71] softirqs last disabled at (451198): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 65.953802][ T71] Preemption disabled at: | [ 65.953803][ T71] 0x0 | [ 65.953812][ T71] Tainted: [W]=WARN [ 65.953813][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 65.953815][ T71] Workqueue: netns cleanup_net [ 65.953821][ T71] Call Trace: [ 65.953822][ T71] [ 65.953824][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 65.953830][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 65.953833][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 65.953837][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.953840][ T71] __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)) [ 65.953843][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.953846][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 65.953854][ T71] ? 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) [ 65.953856][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 65.953859][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 65.953861][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 65.953862][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 65.953865][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 65.953867][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 65.953872][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 65.953874][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.953875][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.953878][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 65.953880][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 65.953882][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.953883][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.953884][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.953885][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.953887][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 65.953889][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 65.953891][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 65.953894][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 65.953896][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.953897][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 65.953899][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.953900][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 65.953901][ T71] ? 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) [ 65.953903][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 65.953904][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 65.953906][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 65.953907][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 65.953909][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 65.953910][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.953911][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 65.953914][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 65.953916][ T71] _printk (kernel/printk/printk.c:2504) [ 65.953919][ T71] ? snapshot_read.cold (user.c:?) [ 65.953921][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 65.953925][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 65.953928][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 65.953930][ T71] br_device_event (net/bridge/br.c:111) [ 65.953932][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 65.953934][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 65.953935][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 65.953938][ T71] notifier_call_chain (kernel/notifier.c:85) [ 65.953941][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 65.953943][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 65.953946][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.953947][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 65.953949][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 65.953951][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 65.953953][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 65.953955][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 65.953957][ T71] ? kthread (kernel/kthread.c:436) [ 65.953959][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 65.953962][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 65.953964][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 65.953965][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.953967][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 65.953969][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 65.953970][ T71] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 65.953971][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.953973][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 65.953974][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 65.953976][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 65.953979][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 65.953981][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 65.953982][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 65.953985][ T71] cleanup_net (net/core/net_namespace.c:706) [ 65.953987][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 65.953989][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.953991][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.953992][ T71] process_one_work (kernel/workqueue.c:3387) [ 65.953995][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 65.953997][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 65.953999][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.954001][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 65.954003][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 65.954005][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 65.954007][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 65.954009][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 65.954010][ T71] kthread (kernel/kthread.c:436) [ 65.954012][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 65.954013][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 65.954015][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 65.954016][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 65.954018][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 65.954021][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 65.954023][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 67.840093][ T1247] softirqs last disabled at (0): 0x0 | [ 67.840095][ T1247] Preemption disabled at: | [ 67.840096][ T1247] vprintk_emit (kernel/printk/printk.c:2471) | [ 67.840105][ T1247] Tainted: [W]=WARN [ 67.840106][ T1247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 67.840108][ T1247] Call Trace: [ 67.840110][ T1247] [ 67.840111][ T1247] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 67.840117][ T1247] ? vprintk_emit (kernel/printk/printk.c:2471) [ 67.840118][ T1247] __might_resched.cold (kernel/sched/core.c:9234) [ 67.840122][ T1247] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 67.840125][ T1247] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 67.840128][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.840131][ 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)) [ 67.840133][ T1247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 67.840136][ T1247] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 67.840141][ 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) [ 67.840143][ T1247] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 67.840145][ T1247] put_chars (drivers/char/virtio_console.c:1176) [ 67.840147][ T1247] ? __send_to_port (drivers/char/virtio_console.c:654) [ 67.840149][ T1247] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 67.840151][ T1247] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 67.840156][ T1247] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 67.840157][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.840159][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.840161][ T1247] console_emit_next_record (kernel/printk/printk.c:3183) [ 67.840164][ T1247] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 67.840166][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.840167][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.840167][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.840169][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.840170][ T1247] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 67.840172][ T1247] console_flush_one_record (kernel/printk/printk.c:3268) [ 67.840174][ T1247] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 67.840177][ T1247] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 67.840179][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.840180][ T1247] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 67.840182][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.840183][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 67.840184][ 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) [ 67.840186][ T1247] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 67.840187][ T1247] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 67.840189][ T1247] ? vprintk_emit (kernel/printk/printk.c:2478) [ 67.840190][ T1247] vprintk_emit (kernel/printk/printk.c:2479) [ 67.840192][ T1247] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 67.840193][ T1247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 67.840194][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 67.840197][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.840199][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.840200][ T1247] _printk (kernel/printk/printk.c:2504) [ 67.840203][ T1247] ? snapshot_read.cold (user.c:?) [ 67.840205][ T1247] ? br_multicast_flood (??:?) [ 67.840208][ T1247] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 67.840211][ T1247] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 67.840212][ T1247] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 67.840214][ T1247] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 67.840216][ T1247] br_init_port (net/bridge/br_stp_if.c:39) [ 67.840218][ T1247] new_nbp (net/bridge/br_if.c:449) [ 67.840220][ T1247] br_add_if (net/bridge/br_if.c:592) [ 67.840222][ T1247] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 67.840225][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 67.840228][ T1247] do_set_master (net/core/rtnetlink.c:3071) [ 67.840229][ T1247] ? netif_change_flags (net/core/dev.c:9882) [ 67.840232][ T1247] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 67.840233][ T1247] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 67.840235][ T1247] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 67.840236][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.840237][ T1247] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 67.840240][ T1247] ? kasan_save_stack (mm/kasan/common.c:58) [ 67.840242][ T1247] ? kasan_save_stack (mm/kasan/common.c:57) [ 67.840243][ T1247] ? kasan_save_track (mm/kasan/common.c:78) [ 67.840244][ T1247] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 67.840245][ T1247] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 67.840246][ T1247] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 67.840247][ T1247] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 67.840248][ T1247] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 67.840251][ T1247] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 67.840252][ T1247] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 67.840254][ T1247] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 67.840256][ T1247] ? ____sys_sendmsg (net/socket.c:2713) [ 67.840257][ T1247] ? ___sys_sendmsg (net/socket.c:2767) [ 67.840259][ T1247] ? __sys_sendmsg (net/socket.c:2799) [ 67.840260][ T1247] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 67.840264][ T1247] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 67.840266][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.840267][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.840268][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.840269][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.840270][ T1247] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 67.840272][ 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) [ 67.840273][ T1247] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 67.840274][ T1247] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 67.840276][ T1247] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 67.840277][ T1247] ? nla_get_range_signed (lib/nlattr.c:270) [ 67.840280][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.840281][ T1247] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 67.840283][ T1247] rtnl_newlink (net/core/rtnetlink.c:4215) [ 67.840285][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.840286][ T1247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 67.840287][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.840289][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.840290][ T1247] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 67.840293][ T1247] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 67.840294][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 67.840295][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.840296][ T1247] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 67.840299][ T1247] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 67.840301][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.840302][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.840304][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.840305][ T1247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 67.840306][ T1247] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 67.840308][ T1247] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 67.840309][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 67.840310][ T1247] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 67.840312][ T1247] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 67.840314][ T1247] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 67.840315][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 67.840317][ T1247] ? netlink_ack (./include/linux/skbuff.h:2718) [ 67.840319][ T1247] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 67.840321][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.840322][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 67.840324][ T1247] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 67.840326][ T1247] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 67.840328][ T1247] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 67.840330][ T1247] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 67.840332][ T1247] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 67.840333][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 67.840335][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.840336][ T1247] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 67.840339][ T1247] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 67.840341][ T1247] ____sys_sendmsg (net/socket.c:2713) [ 67.840343][ T1247] ? copy_msghdr_from_user (net/socket.c:2650) [ 67.840344][ T1247] ? sock_write_iter (net/socket.c:1269) [ 67.840346][ T1247] ? move_addr_to_kernel (net/socket.c:258) [ 67.840347][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 67.840349][ T1247] ___sys_sendmsg (net/socket.c:2767) [ 67.840351][ T1247] ? copy_msghdr_from_user (net/socket.c:2619) [ 67.840356][ T1247] __sys_sendmsg (net/socket.c:2799) [ 67.840358][ T1247] ? __sys_sendmsg_sock (net/socket.c:2780) [ 67.840360][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.840362][ T1247] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 67.840363][ T1247] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 67.840365][ T1247] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 67.840367][ T1247] RIP: 0033:0x7f95c759054e [ 67.840368][ 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 [ 67.840370][ T1247] RSP: 002b:00007ffcfd9d2790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 67.840374][ T1247] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f95c759054e [ 67.840375][ T1247] RDX: 0000000000000000 RSI: 00007ffcfd9d2840 RDI: 0000000000000005 [ 67.840376][ T1247] RBP: 00007ffcfd9d27a0 R08: 0000000000000000 R09: 0000000000000000 [ 67.840377][ T1247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9116c3 [ 67.840377][ T1247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfd9d2f10 | [ 76.205259][ T71] softirqs last disabled at (451198): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 76.205262][ T71] Preemption disabled at: | [ 76.205262][ T71] 0x0 | [ 76.205272][ T71] Tainted: [W]=WARN [ 76.205272][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 76.205274][ T71] Workqueue: netns cleanup_net [ 76.205280][ T71] Call Trace: [ 76.205282][ T71] [ 76.205283][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 76.205289][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 76.205293][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 76.205297][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.205300][ T71] __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)) [ 76.205303][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 76.205306][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 76.205310][ T71] ? 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) [ 76.205312][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 76.205314][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 76.205316][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 76.205317][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 76.205320][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 76.205322][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 76.205327][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 76.205328][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 76.205330][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.205333][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 76.205335][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 76.205337][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.205338][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.205339][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.205340][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.205342][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 76.205344][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 76.205346][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 76.205349][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 76.205350][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.205352][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 76.205353][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.205354][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 76.205356][ T71] ? 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) [ 76.205357][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 76.205358][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 76.205360][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 76.205362][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 76.205364][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 76.205365][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.205366][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 76.205369][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 76.205371][ T71] _printk (kernel/printk/printk.c:2504) [ 76.205374][ T71] ? snapshot_read.cold (user.c:?) [ 76.205376][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 76.205379][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 76.205383][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 76.205384][ T71] br_device_event (net/bridge/br.c:111) [ 76.205387][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 76.205388][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 76.205390][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 76.205393][ T71] notifier_call_chain (kernel/notifier.c:85) [ 76.205396][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 76.205398][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 76.205400][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.205402][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 76.205404][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 76.205406][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 76.205408][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 76.205409][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 76.205412][ T71] ? kthread (kernel/kthread.c:436) [ 76.205414][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 76.205416][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 76.205419][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 76.205420][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.205422][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 76.205424][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 76.205425][ T71] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 76.205426][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.205428][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 76.205429][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 76.205431][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 76.205433][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 76.205435][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 76.205437][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 76.205440][ T71] cleanup_net (net/core/net_namespace.c:706) [ 76.205442][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 76.205444][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.205445][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.205447][ T71] process_one_work (kernel/workqueue.c:3387) [ 76.205449][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 76.205451][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 76.205453][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 76.205456][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 76.205458][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 76.205460][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 76.205461][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 76.205463][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 76.205465][ T71] kthread (kernel/kthread.c:436) [ 76.205466][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 76.205468][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 76.205469][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 76.205471][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 76.205473][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 76.205475][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 76.205477][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 78.078822][ T1516] softirqs last disabled at (0): 0x0 | [ 78.078824][ T1516] Preemption disabled at: | [ 78.078825][ T1516] vprintk_emit (kernel/printk/printk.c:2471) | [ 78.078834][ T1516] Tainted: [W]=WARN [ 78.078834][ T1516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 78.078836][ T1516] Call Trace: [ 78.078838][ T1516] [ 78.078839][ T1516] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 78.078844][ T1516] ? vprintk_emit (kernel/printk/printk.c:2471) [ 78.078846][ T1516] __might_resched.cold (kernel/sched/core.c:9234) [ 78.078849][ T1516] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 78.078852][ T1516] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 78.078856][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.078858][ 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)) [ 78.078861][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 78.078864][ T1516] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 78.078868][ 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) [ 78.078870][ T1516] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 78.078873][ T1516] put_chars (drivers/char/virtio_console.c:1176) [ 78.078874][ T1516] ? __send_to_port (drivers/char/virtio_console.c:654) [ 78.078876][ T1516] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 78.078878][ T1516] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 78.078883][ T1516] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 78.078885][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.078886][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.078888][ T1516] console_emit_next_record (kernel/printk/printk.c:3183) [ 78.078891][ T1516] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 78.078893][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.078894][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.078894][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.078895][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.078897][ T1516] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 78.078899][ T1516] console_flush_one_record (kernel/printk/printk.c:3268) [ 78.078901][ T1516] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 78.078904][ T1516] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 78.078909][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.078911][ T1516] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 78.078912][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.078913][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 78.078915][ 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) [ 78.078916][ T1516] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 78.078918][ T1516] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 78.078920][ T1516] ? vprintk_emit (kernel/printk/printk.c:2478) [ 78.078921][ T1516] vprintk_emit (kernel/printk/printk.c:2479) [ 78.078923][ T1516] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 78.078924][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 78.078926][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 78.078929][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.078930][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.078931][ T1516] _printk (kernel/printk/printk.c:2504) [ 78.078934][ T1516] ? snapshot_read.cold (user.c:?) [ 78.078936][ T1516] ? br_multicast_flood (??:?) [ 78.078940][ T1516] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 78.078943][ T1516] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 78.078944][ T1516] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 78.078946][ T1516] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 78.078948][ T1516] br_init_port (net/bridge/br_stp_if.c:39) [ 78.078950][ T1516] new_nbp (net/bridge/br_if.c:449) [ 78.078952][ T1516] br_add_if (net/bridge/br_if.c:592) [ 78.078954][ T1516] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 78.078957][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 78.078960][ T1516] do_set_master (net/core/rtnetlink.c:3071) [ 78.078961][ T1516] ? netif_change_flags (net/core/dev.c:9882) [ 78.078963][ T1516] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 78.078965][ T1516] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 78.078966][ T1516] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 78.078967][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.078968][ T1516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 78.078971][ T1516] ? kasan_save_stack (mm/kasan/common.c:58) [ 78.078973][ T1516] ? kasan_save_stack (mm/kasan/common.c:57) [ 78.078974][ T1516] ? kasan_save_track (mm/kasan/common.c:78) [ 78.078975][ T1516] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 78.078976][ T1516] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 78.078977][ T1516] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 78.078978][ T1516] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 78.078979][ T1516] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 78.078982][ T1516] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 78.078983][ T1516] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 78.078985][ T1516] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 78.078987][ T1516] ? ____sys_sendmsg (net/socket.c:2713) [ 78.078989][ T1516] ? ___sys_sendmsg (net/socket.c:2767) [ 78.078990][ T1516] ? __sys_sendmsg (net/socket.c:2799) [ 78.078992][ T1516] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 78.078995][ T1516] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 78.078997][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.078999][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.079000][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.079001][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.079002][ T1516] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 78.079003][ 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) [ 78.079005][ T1516] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 78.079006][ T1516] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 78.079008][ T1516] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 78.079009][ T1516] ? nla_get_range_signed (lib/nlattr.c:270) [ 78.079012][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.079013][ T1516] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 78.079015][ T1516] rtnl_newlink (net/core/rtnetlink.c:4215) [ 78.079017][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.079018][ T1516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 78.079019][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.079020][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.079022][ T1516] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 78.079024][ T1516] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 78.079025][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 78.079027][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.079028][ T1516] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 78.079031][ T1516] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 78.079033][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.079034][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.079036][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.079037][ T1516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 78.079038][ T1516] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 78.079039][ T1516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 78.079041][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 78.079042][ T1516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 78.079044][ T1516] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 78.079046][ T1516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 78.079047][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 78.079049][ T1516] ? netlink_ack (./include/linux/skbuff.h:2718) [ 78.079050][ T1516] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 78.079053][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.079054][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 78.079056][ T1516] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 78.079058][ T1516] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 78.079060][ T1516] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 78.079062][ T1516] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 78.079064][ T1516] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 78.079065][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 78.079067][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.079068][ T1516] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 78.079071][ T1516] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 78.079073][ T1516] ____sys_sendmsg (net/socket.c:2713) [ 78.079075][ T1516] ? copy_msghdr_from_user (net/socket.c:2650) [ 78.079076][ T1516] ? sock_write_iter (net/socket.c:1269) [ 78.079078][ T1516] ? move_addr_to_kernel (net/socket.c:258) [ 78.079079][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 78.079081][ T1516] ___sys_sendmsg (net/socket.c:2767) [ 78.079083][ T1516] ? copy_msghdr_from_user (net/socket.c:2619) [ 78.079088][ T1516] __sys_sendmsg (net/socket.c:2799) [ 78.079090][ T1516] ? __sys_sendmsg_sock (net/socket.c:2780) [ 78.079093][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.079094][ T1516] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 78.079096][ T1516] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 78.079097][ T1516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 78.079099][ T1516] RIP: 0033:0x7f0cc8eed54e [ 78.079101][ 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 [ 78.079103][ T1516] RSP: 002b:00007fff0f6e4ab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 78.079106][ T1516] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0cc8eed54e [ 78.079107][ T1516] RDX: 0000000000000000 RSI: 00007fff0f6e4b60 RDI: 0000000000000005 [ 78.079108][ T1516] RBP: 00007fff0f6e4ac0 R08: 0000000000000000 R09: 0000000000000000 [ 78.079109][ T1516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9116cd [ 78.079110][ T1516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0f6e5230 | [ 86.283172][ T71] softirqs last disabled at (451198): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 86.283175][ T71] Preemption disabled at: | [ 86.283175][ T71] 0x0 | [ 86.283185][ T71] Tainted: [W]=WARN [ 86.283186][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 86.283187][ T71] Workqueue: netns cleanup_net [ 86.283193][ T71] Call Trace: [ 86.283194][ T71] [ 86.283196][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 86.283201][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 86.283205][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 86.283209][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.283211][ T71] __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)) [ 86.283214][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 86.283217][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 86.283221][ T71] ? 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) [ 86.283223][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 86.283225][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 86.283227][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 86.283228][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 86.283231][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 86.283233][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 86.283238][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 86.283239][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 86.283241][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.283243][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 86.283246][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 86.283248][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.283249][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.283250][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.283251][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.283253][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 86.283254][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 86.283257][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 86.283259][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 86.283261][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.283263][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 86.283264][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.283265][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 86.283267][ T71] ? 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) [ 86.283268][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 86.283269][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 86.283271][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 86.283273][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 86.283274][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 86.283275][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.283276][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 86.283279][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 86.283281][ T71] _printk (kernel/printk/printk.c:2504) [ 86.283284][ T71] ? snapshot_read.cold (user.c:?) [ 86.283286][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 86.283289][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 86.283292][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 86.283294][ T71] br_device_event (net/bridge/br.c:111) [ 86.283296][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 86.283297][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 86.283299][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 86.283302][ T71] notifier_call_chain (kernel/notifier.c:85) [ 86.283305][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 86.283308][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 86.283310][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.283311][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 86.283313][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 86.283315][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 86.283317][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 86.283318][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 86.283321][ T71] ? kthread (kernel/kthread.c:436) [ 86.283323][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 86.283325][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 86.283327][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 86.283329][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.283330][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 86.283332][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 86.283333][ T71] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 86.283335][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.283336][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 86.283337][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 86.283339][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 86.283342][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 86.283344][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 86.283345][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 86.283348][ T71] cleanup_net (net/core/net_namespace.c:706) [ 86.283350][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 86.283352][ T71] ? update_load_avg (kernel/sched/fair.c:5864) [ 86.283354][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.283356][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.283357][ T71] process_one_work (kernel/workqueue.c:3387) [ 86.283360][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 86.283362][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 86.283363][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 86.283366][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 86.283368][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 86.283369][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 86.283371][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 86.283373][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 86.283375][ T71] kthread (kernel/kthread.c:436) [ 86.283376][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 86.283377][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 86.283379][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 86.283381][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 86.283382][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 86.283385][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 86.283387][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 88.176247][ T1785] softirqs last disabled at (0): 0x0 | [ 88.176249][ T1785] Preemption disabled at: | [ 88.176250][ T1785] vprintk_emit (kernel/printk/printk.c:2471) | [ 88.176260][ T1785] Tainted: [W]=WARN [ 88.176261][ T1785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 88.176263][ T1785] Call Trace: [ 88.176265][ T1785] [ 88.176266][ T1785] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 88.176271][ T1785] ? vprintk_emit (kernel/printk/printk.c:2471) [ 88.176272][ T1785] __might_resched.cold (kernel/sched/core.c:9234) [ 88.176276][ T1785] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 88.176279][ T1785] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 88.176282][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.176285][ 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)) [ 88.176287][ T1785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 88.176290][ T1785] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 88.176295][ 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) [ 88.176297][ T1785] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 88.176299][ T1785] put_chars (drivers/char/virtio_console.c:1176) [ 88.176301][ T1785] ? __send_to_port (drivers/char/virtio_console.c:654) [ 88.176302][ T1785] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 88.176305][ T1785] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 88.176309][ T1785] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 88.176311][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.176312][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.176315][ T1785] console_emit_next_record (kernel/printk/printk.c:3183) [ 88.176317][ T1785] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 88.176319][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.176320][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.176321][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.176322][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.176324][ T1785] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 88.176325][ T1785] console_flush_one_record (kernel/printk/printk.c:3268) [ 88.176328][ T1785] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 88.176330][ T1785] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 88.176332][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.176334][ T1785] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 88.176335][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.176336][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 88.176338][ 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) [ 88.176339][ T1785] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 88.176341][ T1785] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 88.176343][ T1785] ? vprintk_emit (kernel/printk/printk.c:2478) [ 88.176344][ T1785] vprintk_emit (kernel/printk/printk.c:2479) [ 88.176346][ T1785] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 88.176347][ T1785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 88.176348][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 88.176351][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.176353][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.176354][ T1785] _printk (kernel/printk/printk.c:2504) [ 88.176357][ T1785] ? snapshot_read.cold (user.c:?) [ 88.176359][ T1785] ? br_multicast_flood (??:?) [ 88.176362][ T1785] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 88.176365][ T1785] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 88.176366][ T1785] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 88.176368][ T1785] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 88.176370][ T1785] br_init_port (net/bridge/br_stp_if.c:39) [ 88.176372][ T1785] new_nbp (net/bridge/br_if.c:449) [ 88.176374][ T1785] br_add_if (net/bridge/br_if.c:592) [ 88.176376][ T1785] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 88.176379][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 88.176382][ T1785] do_set_master (net/core/rtnetlink.c:3071) [ 88.176383][ T1785] ? netif_change_flags (net/core/dev.c:9882) [ 88.176385][ T1785] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 88.176387][ T1785] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 88.176389][ T1785] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 88.176390][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.176391][ T1785] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 88.176394][ T1785] ? kasan_save_stack (mm/kasan/common.c:58) [ 88.176396][ T1785] ? kasan_save_stack (mm/kasan/common.c:57) [ 88.176397][ T1785] ? kasan_save_track (mm/kasan/common.c:78) [ 88.176398][ T1785] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 88.176399][ T1785] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 88.176400][ T1785] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 88.176401][ T1785] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 88.176402][ T1785] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 88.176404][ T1785] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 88.176406][ T1785] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 88.176407][ T1785] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 88.176410][ T1785] ? ____sys_sendmsg (net/socket.c:2713) [ 88.176411][ T1785] ? ___sys_sendmsg (net/socket.c:2767) [ 88.176412][ T1785] ? __sys_sendmsg (net/socket.c:2799) [ 88.176414][ T1785] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 88.176417][ T1785] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 88.176420][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.176421][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.176422][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.176423][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.176424][ T1785] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 88.176426][ 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) [ 88.176427][ T1785] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 88.176428][ T1785] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 88.176430][ T1785] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 88.176431][ T1785] ? nla_get_range_signed (lib/nlattr.c:270) [ 88.176434][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.176435][ T1785] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 88.176437][ T1785] rtnl_newlink (net/core/rtnetlink.c:4215) [ 88.176439][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.176440][ T1785] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 88.176441][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.176443][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.176444][ T1785] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 88.176446][ T1785] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 88.176448][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 88.176449][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.176450][ T1785] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 88.176453][ T1785] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 88.176455][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.176456][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.176458][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.176459][ T1785] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 88.176460][ T1785] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 88.176462][ T1785] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 88.176463][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 88.176464][ T1785] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 88.176467][ T1785] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 88.176468][ T1785] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 88.176469][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 88.176471][ T1785] ? netlink_ack (./include/linux/skbuff.h:2718) [ 88.176472][ T1785] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 88.176475][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.176476][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 88.176478][ T1785] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 88.176480][ T1785] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 88.176482][ T1785] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 88.176484][ T1785] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 88.176486][ T1785] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 88.176487][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 88.176489][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.176490][ T1785] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 88.176494][ T1785] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 88.176495][ T1785] ____sys_sendmsg (net/socket.c:2713) [ 88.176497][ T1785] ? copy_msghdr_from_user (net/socket.c:2650) [ 88.176499][ T1785] ? sock_write_iter (net/socket.c:1269) [ 88.176500][ T1785] ? move_addr_to_kernel (net/socket.c:258) [ 88.176501][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 88.176504][ T1785] ___sys_sendmsg (net/socket.c:2767) [ 88.176505][ T1785] ? copy_msghdr_from_user (net/socket.c:2619) [ 88.176510][ T1785] __sys_sendmsg (net/socket.c:2799) [ 88.176512][ T1785] ? __sys_sendmsg_sock (net/socket.c:2780) [ 88.176515][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.176516][ T1785] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 88.176518][ T1785] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 88.176520][ T1785] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 88.176521][ T1785] RIP: 0033:0x7fa421cb154e [ 88.176523][ 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 [ 88.176525][ T1785] RSP: 002b:00007fff44c475f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 88.176528][ T1785] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa421cb154e [ 88.176531][ T1785] RDX: 0000000000000000 RSI: 00007fff44c476a0 RDI: 0000000000000005 [ 88.176532][ T1785] RBP: 00007fff44c47600 R08: 0000000000000000 R09: 0000000000000000 [ 88.176533][ T1785] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9116d7 [ 88.176534][ T1785] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff44c47d70 | [ 95.025599][ T71] softirqs last disabled at (451198): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 95.025601][ T71] Preemption disabled at: | [ 95.025602][ T71] 0x0 | [ 95.025612][ T71] Tainted: [W]=WARN [ 95.025613][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 95.025615][ T71] Workqueue: netns cleanup_net [ 95.025621][ T71] Call Trace: [ 95.025622][ T71] [ 95.025623][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 95.025629][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 95.025633][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 95.025636][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.025639][ T71] __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)) [ 95.025642][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 95.025645][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 95.025650][ T71] ? 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) [ 95.025651][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 95.025654][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 95.025655][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 95.025656][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 95.025659][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 95.025661][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 95.025666][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 95.025668][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 95.025669][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.025672][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 95.025674][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 95.025676][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.025677][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.025678][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.025679][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.025681][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 95.025682][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 95.025685][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 95.025687][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 95.025689][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.025691][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 95.025692][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.025693][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 95.025695][ T71] ? 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) [ 95.025696][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 95.025697][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 95.025699][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 95.025701][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 95.025703][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 95.025704][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.025705][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 95.025708][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 95.025710][ T71] _printk (kernel/printk/printk.c:2504) [ 95.025712][ T71] ? snapshot_read.cold (user.c:?) [ 95.025714][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 95.025718][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 95.025721][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 95.025723][ T71] br_device_event (net/bridge/br.c:111) [ 95.025725][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 95.025727][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 95.025729][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 95.025731][ T71] notifier_call_chain (kernel/notifier.c:85) [ 95.025735][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 95.025737][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 95.025739][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.025741][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 95.025743][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 95.025745][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 95.025747][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 95.025748][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 95.025751][ T71] ? kthread (kernel/kthread.c:436) [ 95.025752][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 95.025755][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 95.025757][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 95.025758][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.025760][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 95.025762][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 95.025763][ T71] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 95.025764][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.025766][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 95.025767][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 95.025769][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 95.025771][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 95.025773][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 95.025775][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 95.025778][ T71] cleanup_net (net/core/net_namespace.c:706) [ 95.025780][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 95.025782][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.025783][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.025785][ T71] process_one_work (kernel/workqueue.c:3387) [ 95.025787][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 95.025789][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 95.025791][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 95.025793][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 95.025796][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 95.025797][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 95.025799][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 95.025801][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 95.025803][ T71] kthread (kernel/kthread.c:436) [ 95.025804][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 95.025806][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 95.025807][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 95.025809][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 95.025811][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 95.025814][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 95.025815][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 97.143338][ T1977] softirqs last disabled at (0): 0x0 | [ 97.143340][ T1977] Preemption disabled at: | [ 97.143341][ T1977] vprintk_emit (kernel/printk/printk.c:2471) | [ 97.143351][ T1977] Tainted: [W]=WARN [ 97.143352][ T1977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 97.143353][ T1977] Call Trace: [ 97.143355][ T1977] [ 97.143356][ T1977] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 97.143361][ T1977] ? vprintk_emit (kernel/printk/printk.c:2471) [ 97.143363][ T1977] __might_resched.cold (kernel/sched/core.c:9234) [ 97.143366][ T1977] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 97.143369][ T1977] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 97.143373][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.143375][ 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)) [ 97.143378][ T1977] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 97.143380][ T1977] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 97.143385][ 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) [ 97.143387][ T1977] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 97.143389][ T1977] put_chars (drivers/char/virtio_console.c:1176) [ 97.143391][ T1977] ? __send_to_port (drivers/char/virtio_console.c:654) [ 97.143392][ T1977] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 97.143395][ T1977] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 97.143400][ T1977] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 97.143401][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.143402][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.143405][ T1977] console_emit_next_record (kernel/printk/printk.c:3183) [ 97.143408][ T1977] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 97.143409][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.143410][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.143411][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.143412][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.143414][ T1977] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 97.143416][ T1977] console_flush_one_record (kernel/printk/printk.c:3268) [ 97.143418][ T1977] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 97.143421][ T1977] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 97.143422][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.143424][ T1977] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 97.143426][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.143426][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 97.143428][ 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) [ 97.143429][ T1977] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 97.143431][ T1977] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 97.143432][ T1977] ? vprintk_emit (kernel/printk/printk.c:2478) [ 97.143434][ T1977] vprintk_emit (kernel/printk/printk.c:2479) [ 97.143435][ T1977] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 97.143436][ T1977] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 97.143438][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 97.143441][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.143442][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.143444][ T1977] _printk (kernel/printk/printk.c:2504) [ 97.143447][ T1977] ? snapshot_read.cold (user.c:?) [ 97.143448][ T1977] ? br_multicast_flood (??:?) [ 97.143452][ T1977] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 97.143455][ T1977] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 97.143456][ T1977] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 97.143457][ T1977] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 97.143460][ T1977] br_init_port (net/bridge/br_stp_if.c:39) [ 97.143461][ T1977] new_nbp (net/bridge/br_if.c:449) [ 97.143463][ T1977] br_add_if (net/bridge/br_if.c:592) [ 97.143465][ T1977] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 97.143469][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 97.143472][ T1977] do_set_master (net/core/rtnetlink.c:3071) [ 97.143473][ T1977] ? netif_change_flags (net/core/dev.c:9882) [ 97.143475][ T1977] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 97.143477][ T1977] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 97.143478][ T1977] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 97.143479][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.143480][ T1977] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 97.143484][ T1977] ? kasan_save_stack (mm/kasan/common.c:58) [ 97.143485][ T1977] ? kasan_save_stack (mm/kasan/common.c:57) [ 97.143486][ T1977] ? kasan_save_track (mm/kasan/common.c:78) [ 97.143487][ T1977] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 97.143488][ T1977] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 97.143489][ T1977] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 97.143490][ T1977] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 97.143491][ T1977] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 97.143494][ T1977] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 97.143496][ T1977] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 97.143497][ T1977] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 97.143499][ T1977] ? ____sys_sendmsg (net/socket.c:2713) [ 97.143501][ T1977] ? ___sys_sendmsg (net/socket.c:2767) [ 97.143502][ T1977] ? __sys_sendmsg (net/socket.c:2799) [ 97.143504][ T1977] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 97.143507][ T1977] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 97.143510][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.143511][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.143512][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.143513][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.143514][ T1977] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 97.143516][ 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) [ 97.143517][ T1977] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 97.143518][ T1977] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 97.143520][ T1977] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 97.143521][ T1977] ? nla_get_range_signed (lib/nlattr.c:270) [ 97.143524][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.143525][ T1977] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 97.143527][ T1977] rtnl_newlink (net/core/rtnetlink.c:4215) [ 97.143531][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.143532][ T1977] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 97.143533][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.143535][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.143536][ T1977] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 97.143539][ T1977] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 97.143540][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 97.143541][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.143542][ T1977] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 97.143545][ T1977] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 97.143548][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.143549][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.143550][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.143551][ T1977] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 97.143553][ T1977] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 97.143554][ T1977] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 97.143555][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 97.143557][ T1977] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 97.143559][ T1977] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 97.143561][ T1977] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 97.143562][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 97.143563][ T1977] ? netlink_ack (./include/linux/skbuff.h:2718) [ 97.143565][ T1977] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 97.143568][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.143569][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 97.143571][ T1977] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 97.143573][ T1977] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 97.143575][ T1977] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 97.143577][ T1977] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 97.143579][ T1977] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 97.143580][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 97.143582][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.143583][ T1977] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 97.143586][ T1977] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 97.143588][ T1977] ____sys_sendmsg (net/socket.c:2713) [ 97.143590][ T1977] ? copy_msghdr_from_user (net/socket.c:2650) [ 97.143592][ T1977] ? sock_write_iter (net/socket.c:1269) [ 97.143593][ T1977] ? move_addr_to_kernel (net/socket.c:258) [ 97.143594][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 97.143597][ T1977] ___sys_sendmsg (net/socket.c:2767) [ 97.143599][ T1977] ? copy_msghdr_from_user (net/socket.c:2619) [ 97.143603][ T1977] __sys_sendmsg (net/socket.c:2799) [ 97.143605][ T1977] ? __sys_sendmsg_sock (net/socket.c:2780) [ 97.143608][ T1977] ? 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) [ 97.143610][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.143611][ T1977] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 97.143613][ T1977] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 97.143615][ T1977] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 97.143616][ T1977] RIP: 0033:0x7f930f90654e [ 97.143618][ 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 [ 97.143620][ T1977] RSP: 002b:00007ffd5ab0b080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 97.143623][ T1977] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f930f90654e [ 97.143625][ T1977] RDX: 0000000000000000 RSI: 00007ffd5ab0b130 RDI: 0000000000000005 [ 97.143625][ T1977] RBP: 00007ffd5ab0b090 R08: 0000000000000000 R09: 0000000000000000 [ 97.143626][ T1977] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9116e0 [ 97.143627][ T1977] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5ab0b800 | [ 104.262395][ T71] softirqs last disabled at (451198): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 104.262397][ T71] Preemption disabled at: | [ 104.262398][ T71] 0x0 | [ 104.262408][ T71] Tainted: [W]=WARN [ 104.262409][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 104.262410][ T71] Workqueue: netns cleanup_net [ 104.262416][ T71] Call Trace: [ 104.262418][ T71] [ 104.262420][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 104.262425][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 104.262429][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 104.262433][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.262436][ T71] __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)) [ 104.262439][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 104.262442][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 104.262446][ T71] ? 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) [ 104.262448][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 104.262450][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 104.262452][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 104.262453][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 104.262455][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 104.262458][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 104.262462][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 104.262464][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 104.262466][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.262468][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 104.262471][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 104.262473][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.262474][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.262475][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.262476][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.262477][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 104.262479][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 104.262481][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 104.262484][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 104.262486][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.262487][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 104.262489][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.262490][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 104.262491][ T71] ? 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) [ 104.262493][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 104.262494][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 104.262496][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 104.262498][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 104.262500][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 104.262501][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.262502][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 104.262505][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 104.262506][ T71] _printk (kernel/printk/printk.c:2504) [ 104.262509][ T71] ? snapshot_read.cold (user.c:?) [ 104.262511][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 104.262514][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 104.262518][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 104.262520][ T71] br_device_event (net/bridge/br.c:111) [ 104.262522][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 104.262524][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 104.262525][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 104.262528][ T71] notifier_call_chain (kernel/notifier.c:85) [ 104.262531][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 104.262534][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 104.262536][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.262537][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 104.262539][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 104.262541][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 104.262543][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 104.262544][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 104.262547][ T71] ? kthread (kernel/kthread.c:436) [ 104.262549][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 104.262552][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 104.262554][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 104.262555][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.262556][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 104.262558][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 104.262560][ T71] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 104.262561][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.262562][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 104.262564][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 104.262566][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 104.262568][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 104.262570][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 104.262572][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 104.262575][ T71] cleanup_net (net/core/net_namespace.c:706) [ 104.262577][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 104.262578][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.262580][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.262581][ T71] process_one_work (kernel/workqueue.c:3387) [ 104.262584][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 104.262586][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 104.262588][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 104.262590][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 104.262593][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 104.262594][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 104.262596][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 104.262598][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 104.262600][ T71] kthread (kernel/kthread.c:436) [ 104.262601][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 104.262602][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 104.262604][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 104.262606][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 104.262608][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 104.262610][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 104.262612][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 106.139952][ T2215] softirqs last disabled at (0): 0x0 | [ 106.139954][ T2215] Preemption disabled at: | [ 106.139954][ T2215] vprintk_emit (kernel/printk/printk.c:2471) | [ 106.139964][ T2215] Tainted: [W]=WARN [ 106.139965][ T2215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 106.139966][ T2215] Call Trace: [ 106.139968][ T2215] [ 106.139969][ T2215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 106.139975][ T2215] ? vprintk_emit (kernel/printk/printk.c:2471) [ 106.139976][ T2215] __might_resched.cold (kernel/sched/core.c:9234) [ 106.139980][ T2215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 106.139983][ T2215] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 106.139986][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.139988][ 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)) [ 106.139991][ T2215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 106.139994][ T2215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 106.139999][ 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) [ 106.140000][ T2215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 106.140003][ T2215] put_chars (drivers/char/virtio_console.c:1176) [ 106.140005][ T2215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 106.140006][ T2215] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 106.140009][ T2215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 106.140013][ T2215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 106.140015][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.140016][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 106.140018][ T2215] console_emit_next_record (kernel/printk/printk.c:3183) [ 106.140021][ T2215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 106.140023][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.140024][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.140025][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.140026][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 106.140028][ T2215] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 106.140033][ T2215] console_flush_one_record (kernel/printk/printk.c:3268) [ 106.140035][ T2215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 106.140038][ T2215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 106.140040][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 106.140041][ T2215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 106.140043][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.140044][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 106.140045][ 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) [ 106.140047][ T2215] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 106.140048][ T2215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 106.140050][ T2215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 106.140051][ T2215] vprintk_emit (kernel/printk/printk.c:2479) [ 106.140053][ T2215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 106.140054][ T2215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 106.140056][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 106.140058][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 106.140060][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.140061][ T2215] _printk (kernel/printk/printk.c:2504) [ 106.140064][ T2215] ? snapshot_read.cold (user.c:?) [ 106.140066][ T2215] ? br_multicast_flood (??:?) [ 106.140069][ T2215] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 106.140072][ T2215] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 106.140073][ T2215] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 106.140075][ T2215] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 106.140078][ T2215] br_init_port (net/bridge/br_stp_if.c:39) [ 106.140079][ T2215] new_nbp (net/bridge/br_if.c:449) [ 106.140081][ T2215] br_add_if (net/bridge/br_if.c:592) [ 106.140083][ T2215] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 106.140086][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 106.140089][ T2215] do_set_master (net/core/rtnetlink.c:3071) [ 106.140090][ T2215] ? netif_change_flags (net/core/dev.c:9882) [ 106.140093][ T2215] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 106.140094][ T2215] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 106.140096][ T2215] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 106.140097][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.140098][ T2215] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 106.140101][ T2215] ? kasan_save_stack (mm/kasan/common.c:58) [ 106.140103][ T2215] ? kasan_save_stack (mm/kasan/common.c:57) [ 106.140104][ T2215] ? kasan_save_track (mm/kasan/common.c:78) [ 106.140105][ T2215] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 106.140106][ T2215] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 106.140107][ T2215] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 106.140108][ T2215] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 106.140109][ T2215] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 106.140112][ T2215] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 106.140113][ T2215] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 106.140115][ T2215] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 106.140117][ T2215] ? ____sys_sendmsg (net/socket.c:2713) [ 106.140118][ T2215] ? ___sys_sendmsg (net/socket.c:2767) [ 106.140120][ T2215] ? __sys_sendmsg (net/socket.c:2799) [ 106.140121][ T2215] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 106.140124][ T2215] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 106.140127][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.140128][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 106.140129][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.140130][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.140131][ T2215] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 106.140133][ 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) [ 106.140134][ T2215] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 106.140135][ T2215] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 106.140137][ T2215] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 106.140138][ T2215] ? nla_get_range_signed (lib/nlattr.c:270) [ 106.140141][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.140142][ T2215] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 106.140144][ T2215] rtnl_newlink (net/core/rtnetlink.c:4215) [ 106.140146][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.140147][ T2215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 106.140148][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 106.140150][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.140151][ T2215] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 106.140154][ T2215] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 106.140155][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 106.140156][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.140157][ T2215] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 106.140160][ T2215] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 106.140162][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.140163][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 106.140165][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.140166][ T2215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 106.140167][ T2215] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 106.140169][ T2215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 106.140170][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 106.140171][ T2215] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 106.140173][ T2215] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 106.140175][ T2215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 106.140176][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 106.140178][ T2215] ? netlink_ack (./include/linux/skbuff.h:2718) [ 106.140180][ T2215] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 106.140182][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.140184][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 106.140185][ T2215] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 106.140187][ T2215] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 106.140189][ T2215] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 106.140191][ T2215] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 106.140193][ T2215] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 106.140194][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 106.140196][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 106.140197][ T2215] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 106.140201][ T2215] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 106.140202][ T2215] ____sys_sendmsg (net/socket.c:2713) [ 106.140204][ T2215] ? copy_msghdr_from_user (net/socket.c:2650) [ 106.140205][ T2215] ? sock_write_iter (net/socket.c:1269) [ 106.140207][ T2215] ? move_addr_to_kernel (net/socket.c:258) [ 106.140208][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 106.140211][ T2215] ___sys_sendmsg (net/socket.c:2767) [ 106.140212][ T2215] ? copy_msghdr_from_user (net/socket.c:2619) [ 106.140217][ T2215] __sys_sendmsg (net/socket.c:2799) [ 106.140219][ T2215] ? __sys_sendmsg_sock (net/socket.c:2780) [ 106.140222][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.140223][ T2215] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 106.140225][ T2215] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 106.140227][ T2215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 106.140228][ T2215] RIP: 0033:0x7f37a245054e [ 106.140230][ 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 [ 106.140232][ T2215] RSP: 002b:00007fff51f2d3f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 106.140235][ T2215] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f37a245054e [ 106.140237][ T2215] RDX: 0000000000000000 RSI: 00007fff51f2d4a0 RDI: 0000000000000005 [ 106.140237][ T2215] RBP: 00007fff51f2d400 R08: 0000000000000000 R09: 0000000000000000 [ 106.140238][ T2215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9116e9 [ 106.140239][ T2215] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff51f2db70 | [ 112.891790][ T71] softirqs last disabled at (451198): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 112.891792][ T71] Preemption disabled at: | [ 112.891793][ T71] 0x0 | [ 112.891802][ T71] Tainted: [W]=WARN [ 112.891803][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 112.891804][ T71] Workqueue: netns cleanup_net [ 112.891810][ T71] Call Trace: [ 112.891811][ T71] [ 112.891813][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 112.891819][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 112.891822][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 112.891826][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.891829][ T71] __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)) [ 112.891832][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 112.891835][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 112.891839][ T71] ? 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) [ 112.891841][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 112.891844][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 112.891845][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 112.891846][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 112.891849][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 112.891851][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 112.891856][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 112.891857][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 112.891859][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.891862][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 112.891864][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 112.891866][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.891867][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.891868][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.891869][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.891871][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 112.891873][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 112.891875][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 112.891877][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 112.891879][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.891881][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 112.891882][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.891883][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 112.891885][ T71] ? 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) [ 112.891886][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 112.891887][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 112.891889][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 112.891891][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 112.891892][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 112.891893][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.891894][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 112.891897][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 112.891899][ T71] _printk (kernel/printk/printk.c:2504) [ 112.891902][ T71] ? snapshot_read.cold (user.c:?) [ 112.891904][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 112.891907][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 112.891911][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 112.891913][ T71] br_device_event (net/bridge/br.c:111) [ 112.891915][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 112.891916][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 112.891918][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 112.891921][ T71] notifier_call_chain (kernel/notifier.c:85) [ 112.891924][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 112.891926][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 112.891928][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.891930][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 112.891931][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 112.891933][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 112.891935][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 112.891937][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 112.891940][ T71] ? kthread (kernel/kthread.c:436) [ 112.891942][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 112.891944][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 112.891946][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 112.891948][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.891949][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 112.891951][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 112.891953][ T71] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 112.891954][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.891955][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 112.891957][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 112.891959][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 112.891961][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 112.891963][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 112.891965][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 112.891968][ T71] cleanup_net (net/core/net_namespace.c:706) [ 112.891970][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 112.891972][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.891973][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.891974][ T71] process_one_work (kernel/workqueue.c:3387) [ 112.891977][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 112.891979][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 112.891981][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 112.891984][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 112.891986][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 112.891987][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 112.891989][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 112.891991][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 112.891993][ T71] kthread (kernel/kthread.c:436) [ 112.891994][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 112.891996][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 112.891997][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 112.891999][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 112.892001][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 112.892003][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 112.892005][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 114.758350][ T2413] softirqs last disabled at (0): 0x0 | [ 114.758352][ T2413] Preemption disabled at: | [ 114.758353][ T2413] vprintk_emit (kernel/printk/printk.c:2471) | [ 114.758362][ T2413] Tainted: [W]=WARN [ 114.758363][ T2413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 114.758365][ T2413] Call Trace: [ 114.758367][ T2413] [ 114.758368][ T2413] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 114.758373][ T2413] ? vprintk_emit (kernel/printk/printk.c:2471) [ 114.758375][ T2413] __might_resched.cold (kernel/sched/core.c:9234) [ 114.758378][ T2413] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 114.758381][ T2413] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 114.758384][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.758387][ 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)) [ 114.758389][ T2413] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 114.758392][ T2413] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 114.758397][ 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) [ 114.758398][ T2413] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 114.758401][ T2413] put_chars (drivers/char/virtio_console.c:1176) [ 114.758402][ T2413] ? __send_to_port (drivers/char/virtio_console.c:654) [ 114.758404][ T2413] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 114.758407][ T2413] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 114.758411][ T2413] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 114.758413][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.758414][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 114.758417][ T2413] console_emit_next_record (kernel/printk/printk.c:3183) [ 114.758419][ T2413] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 114.758421][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.758422][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.758423][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.758424][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 114.758426][ T2413] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 114.758428][ T2413] console_flush_one_record (kernel/printk/printk.c:3268) [ 114.758430][ T2413] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 114.758433][ T2413] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 114.758434][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 114.758436][ T2413] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 114.758437][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.758438][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 114.758440][ 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) [ 114.758441][ T2413] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 114.758442][ T2413] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 114.758444][ T2413] ? vprintk_emit (kernel/printk/printk.c:2478) [ 114.758446][ T2413] vprintk_emit (kernel/printk/printk.c:2479) [ 114.758447][ T2413] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 114.758448][ T2413] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 114.758450][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 114.758453][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 114.758454][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.758455][ T2413] _printk (kernel/printk/printk.c:2504) [ 114.758458][ T2413] ? snapshot_read.cold (user.c:?) [ 114.758460][ T2413] ? br_multicast_flood (??:?) [ 114.758463][ T2413] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 114.758466][ T2413] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 114.758467][ T2413] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 114.758469][ T2413] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 114.758472][ T2413] br_init_port (net/bridge/br_stp_if.c:39) [ 114.758473][ T2413] new_nbp (net/bridge/br_if.c:449) [ 114.758475][ T2413] br_add_if (net/bridge/br_if.c:592) [ 114.758477][ T2413] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 114.758480][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 114.758484][ T2413] do_set_master (net/core/rtnetlink.c:3071) [ 114.758485][ T2413] ? netif_change_flags (net/core/dev.c:9882) [ 114.758487][ T2413] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 114.758488][ T2413] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 114.758490][ T2413] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 114.758491][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.758492][ T2413] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 114.758495][ T2413] ? kasan_save_stack (mm/kasan/common.c:58) [ 114.758497][ T2413] ? kasan_save_stack (mm/kasan/common.c:57) [ 114.758498][ T2413] ? kasan_save_track (mm/kasan/common.c:78) [ 114.758499][ T2413] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 114.758500][ T2413] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 114.758501][ T2413] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 114.758502][ T2413] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 114.758503][ T2413] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 114.758506][ T2413] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 114.758507][ T2413] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 114.758509][ T2413] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 114.758511][ T2413] ? ____sys_sendmsg (net/socket.c:2713) [ 114.758512][ T2413] ? ___sys_sendmsg (net/socket.c:2767) [ 114.758513][ T2413] ? __sys_sendmsg (net/socket.c:2799) [ 114.758515][ T2413] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 114.758519][ T2413] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 114.758521][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.758522][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 114.758523][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.758524][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.758525][ T2413] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 114.758527][ 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) [ 114.758528][ T2413] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 114.758531][ T2413] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 114.758533][ T2413] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 114.758534][ T2413] ? nla_get_range_signed (lib/nlattr.c:270) [ 114.758537][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.758538][ T2413] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 114.758540][ T2413] rtnl_newlink (net/core/rtnetlink.c:4215) [ 114.758542][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.758543][ T2413] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 114.758544][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 114.758546][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.758547][ T2413] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 114.758550][ T2413] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 114.758551][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 114.758552][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.758553][ T2413] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 114.758556][ T2413] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 114.758558][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.758559][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 114.758561][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.758562][ T2413] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 114.758563][ T2413] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 114.758565][ T2413] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 114.758566][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 114.758567][ T2413] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 114.758569][ T2413] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 114.758571][ T2413] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 114.758572][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 114.758574][ T2413] ? netlink_ack (./include/linux/skbuff.h:2718) [ 114.758575][ T2413] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 114.758578][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.758579][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 114.758581][ T2413] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 114.758583][ T2413] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 114.758585][ T2413] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 114.758587][ T2413] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 114.758589][ T2413] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 114.758590][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 114.758592][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 114.758593][ T2413] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 114.758597][ T2413] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 114.758598][ T2413] ____sys_sendmsg (net/socket.c:2713) [ 114.758600][ T2413] ? copy_msghdr_from_user (net/socket.c:2650) [ 114.758601][ T2413] ? sock_write_iter (net/socket.c:1269) [ 114.758603][ T2413] ? move_addr_to_kernel (net/socket.c:258) [ 114.758604][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 114.758607][ T2413] ___sys_sendmsg (net/socket.c:2767) [ 114.758608][ T2413] ? copy_msghdr_from_user (net/socket.c:2619) [ 114.758613][ T2413] __sys_sendmsg (net/socket.c:2799) [ 114.758615][ T2413] ? __sys_sendmsg_sock (net/socket.c:2780) [ 114.758618][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 114.758619][ T2413] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 114.758621][ T2413] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 114.758623][ T2413] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 114.758624][ T2413] RIP: 0033:0x7fc29d14e54e [ 114.758626][ 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 [ 114.758627][ T2413] RSP: 002b:00007ffd455ec270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 114.758631][ T2413] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc29d14e54e [ 114.758632][ T2413] RDX: 0000000000000000 RSI: 00007ffd455ec320 RDI: 0000000000000005 [ 114.758633][ T2413] RBP: 00007ffd455ec280 R08: 0000000000000000 R09: 0000000000000000 [ 114.758634][ T2413] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9116f2 [ 114.758634][ T2413] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd455ec9f0 | [ 121.588409][ T71] softirqs last disabled at (451198): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 121.588411][ T71] Preemption disabled at: | [ 121.588412][ T71] 0x0 | [ 121.588421][ T71] Tainted: [W]=WARN [ 121.588422][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 121.588424][ T71] Workqueue: netns cleanup_net [ 121.588429][ T71] Call Trace: [ 121.588431][ T71] [ 121.588432][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 121.588438][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 121.588441][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 121.588445][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.588448][ T71] __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)) [ 121.588451][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 121.588454][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 121.588459][ T71] ? 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) [ 121.588460][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 121.588463][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 121.588464][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 121.588465][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 121.588468][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 121.588470][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 121.588474][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 121.588476][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 121.588478][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.588480][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 121.588483][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 121.588485][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.588486][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.588487][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.588488][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.588489][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 121.588491][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 121.588493][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 121.588496][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 121.588498][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.588499][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 121.588501][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.588502][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 121.588503][ T71] ? 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) [ 121.588505][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 121.588506][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 121.588508][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 121.588509][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 121.588511][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 121.588512][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.588513][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 121.588516][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 121.588518][ T71] _printk (kernel/printk/printk.c:2504) [ 121.588520][ T71] ? snapshot_read.cold (user.c:?) [ 121.588522][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 121.588525][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 121.588533][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 121.588535][ T71] br_device_event (net/bridge/br.c:111) [ 121.588537][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 121.588539][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 121.588541][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 121.588544][ T71] notifier_call_chain (kernel/notifier.c:85) [ 121.588547][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 121.588549][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 121.588551][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.588553][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 121.588555][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 121.588557][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 121.588559][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 121.588560][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 121.588563][ T71] ? kthread (kernel/kthread.c:436) [ 121.588565][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 121.588567][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 121.588569][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 121.588571][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.588572][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 121.588574][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 121.588575][ T71] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 121.588576][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.588578][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 121.588579][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 121.588581][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 121.588584][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 121.588586][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 121.588587][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 121.588590][ T71] cleanup_net (net/core/net_namespace.c:706) [ 121.588592][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 121.588594][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.588595][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.588597][ T71] process_one_work (kernel/workqueue.c:3387) [ 121.588599][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 121.588601][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 121.588603][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 121.588605][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 121.588608][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 121.588609][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 121.588611][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 121.588613][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 121.588614][ T71] kthread (kernel/kthread.c:436) [ 121.588616][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 121.588617][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 121.588619][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 121.588621][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 121.588622][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 121.588625][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 121.588627][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 123.483281][ T2621] softirqs last disabled at (0): 0x0 | [ 123.483283][ T2621] Preemption disabled at: | [ 123.483284][ T2621] vprintk_emit (kernel/printk/printk.c:2471) | [ 123.483294][ T2621] Tainted: [W]=WARN [ 123.483295][ T2621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 123.483297][ T2621] Call Trace: [ 123.483298][ T2621] [ 123.483299][ T2621] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 123.483304][ T2621] ? vprintk_emit (kernel/printk/printk.c:2471) [ 123.483306][ T2621] __might_resched.cold (kernel/sched/core.c:9234) [ 123.483309][ T2621] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 123.483313][ T2621] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 123.483316][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.483318][ 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)) [ 123.483321][ T2621] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 123.483323][ T2621] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 123.483328][ 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) [ 123.483330][ T2621] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 123.483333][ T2621] put_chars (drivers/char/virtio_console.c:1176) [ 123.483334][ T2621] ? __send_to_port (drivers/char/virtio_console.c:654) [ 123.483335][ T2621] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 123.483338][ T2621] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 123.483343][ T2621] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 123.483345][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.483346][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.483348][ T2621] console_emit_next_record (kernel/printk/printk.c:3183) [ 123.483351][ T2621] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 123.483353][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.483354][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.483354][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.483355][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.483357][ T2621] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 123.483359][ T2621] console_flush_one_record (kernel/printk/printk.c:3268) [ 123.483361][ T2621] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 123.483364][ T2621] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 123.483365][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.483367][ T2621] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 123.483369][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.483369][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 123.483371][ 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) [ 123.483372][ T2621] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 123.483374][ T2621] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 123.483375][ T2621] ? vprintk_emit (kernel/printk/printk.c:2478) [ 123.483377][ T2621] vprintk_emit (kernel/printk/printk.c:2479) [ 123.483378][ T2621] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 123.483379][ T2621] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 123.483381][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 123.483384][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.483385][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.483387][ T2621] _printk (kernel/printk/printk.c:2504) [ 123.483389][ T2621] ? snapshot_read.cold (user.c:?) [ 123.483391][ T2621] ? br_multicast_flood (??:?) [ 123.483395][ T2621] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 123.483397][ T2621] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 123.483399][ T2621] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 123.483400][ T2621] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 123.483403][ T2621] br_init_port (net/bridge/br_stp_if.c:39) [ 123.483404][ T2621] new_nbp (net/bridge/br_if.c:449) [ 123.483406][ T2621] br_add_if (net/bridge/br_if.c:592) [ 123.483408][ T2621] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 123.483412][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 123.483415][ T2621] do_set_master (net/core/rtnetlink.c:3071) [ 123.483416][ T2621] ? netif_change_flags (net/core/dev.c:9882) [ 123.483418][ T2621] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 123.483420][ T2621] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 123.483421][ T2621] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 123.483423][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.483423][ T2621] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 123.483427][ T2621] ? kasan_save_stack (mm/kasan/common.c:58) [ 123.483428][ T2621] ? kasan_save_stack (mm/kasan/common.c:57) [ 123.483429][ T2621] ? kasan_save_track (mm/kasan/common.c:78) [ 123.483430][ T2621] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 123.483432][ T2621] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 123.483433][ T2621] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 123.483433][ T2621] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 123.483435][ T2621] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 123.483437][ T2621] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 123.483439][ T2621] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 123.483440][ T2621] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 123.483442][ T2621] ? ____sys_sendmsg (net/socket.c:2713) [ 123.483444][ T2621] ? ___sys_sendmsg (net/socket.c:2767) [ 123.483445][ T2621] ? __sys_sendmsg (net/socket.c:2799) [ 123.483447][ T2621] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 123.483450][ T2621] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 123.483452][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.483453][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.483455][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.483456][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.483457][ T2621] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 123.483458][ 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) [ 123.483460][ T2621] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 123.483461][ T2621] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 123.483462][ T2621] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 123.483463][ T2621] ? nla_get_range_signed (lib/nlattr.c:270) [ 123.483466][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.483468][ T2621] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 123.483470][ T2621] rtnl_newlink (net/core/rtnetlink.c:4215) [ 123.483471][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.483472][ T2621] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 123.483474][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.483475][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.483476][ T2621] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 123.483479][ T2621] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 123.483480][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 123.483482][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.483483][ T2621] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 123.483486][ T2621] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 123.483488][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.483489][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.483490][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.483492][ T2621] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 123.483493][ T2621] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 123.483494][ T2621] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 123.483496][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 123.483497][ T2621] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 123.483499][ T2621] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 123.483501][ T2621] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 123.483502][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 123.483503][ T2621] ? netlink_ack (./include/linux/skbuff.h:2718) [ 123.483505][ T2621] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 123.483508][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.483509][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 123.483511][ T2621] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 123.483513][ T2621] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 123.483515][ T2621] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 123.483516][ T2621] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 123.483518][ T2621] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 123.483520][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 123.483521][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.483523][ T2621] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 123.483526][ T2621] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 123.483527][ T2621] ____sys_sendmsg (net/socket.c:2713) [ 123.483531][ T2621] ? copy_msghdr_from_user (net/socket.c:2650) [ 123.483533][ T2621] ? sock_write_iter (net/socket.c:1269) [ 123.483534][ T2621] ? move_addr_to_kernel (net/socket.c:258) [ 123.483536][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 123.483538][ T2621] ___sys_sendmsg (net/socket.c:2767) [ 123.483540][ T2621] ? copy_msghdr_from_user (net/socket.c:2619) [ 123.483545][ T2621] __sys_sendmsg (net/socket.c:2799) [ 123.483547][ T2621] ? __sys_sendmsg_sock (net/socket.c:2780) [ 123.483549][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.483551][ T2621] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 123.483552][ T2621] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 123.483554][ T2621] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 123.483556][ T2621] RIP: 0033:0x7f1e4d09454e [ 123.483557][ 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 [ 123.483559][ T2621] RSP: 002b:00007ffd2beb9d90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 123.483562][ T2621] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1e4d09454e [ 123.483564][ T2621] RDX: 0000000000000000 RSI: 00007ffd2beb9e40 RDI: 0000000000000005 [ 123.483564][ T2621] RBP: 00007ffd2beb9da0 R08: 0000000000000000 R09: 0000000000000000 [ 123.483565][ T2621] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9116fa [ 123.483566][ T2621] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2beba510 | [ 130.688518][ T71] softirqs last disabled at (451198): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 130.688521][ T71] Preemption disabled at: | [ 130.688521][ T71] 0x0 | [ 130.688534][ T71] Tainted: [W]=WARN [ 130.688535][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 130.688537][ T71] Workqueue: netns cleanup_net [ 130.688542][ T71] Call Trace: [ 130.688544][ T71] [ 130.688545][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 130.688551][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 130.688555][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 130.688559][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.688562][ T71] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 130.688564][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 130.688567][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 130.688572][ T71] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 130.688574][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 130.688576][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 130.688578][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 130.688579][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 130.688581][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 130.688584][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 130.688588][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 130.688590][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 130.688592][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.688594][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 130.688597][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 130.688599][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.688600][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.688601][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.688602][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.688603][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 130.688605][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 130.688607][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 130.688610][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 130.688612][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.688613][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 130.688615][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.688616][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 130.688617][ T71] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 130.688619][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 130.688620][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 130.688622][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 130.688624][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 130.688625][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 130.688626][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.688627][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 130.688631][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 130.688632][ T71] _printk (kernel/printk/printk.c:2504) [ 130.688635][ T71] ? snapshot_read.cold (user.c:?) [ 130.688637][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 130.688640][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 130.688644][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 130.688646][ T71] br_device_event (net/bridge/br.c:111) [ 130.688648][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 130.688650][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 130.688652][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 130.688655][ T71] notifier_call_chain (kernel/notifier.c:85) [ 130.688658][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 130.688660][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 130.688662][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.688664][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 130.688666][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 130.688668][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 130.688670][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 130.688671][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 130.688674][ T71] ? kthread (kernel/kthread.c:436) [ 130.688676][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 130.688678][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 130.688681][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 130.688682][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.688683][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 130.688685][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 130.688686][ T71] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 130.688688][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.688689][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 130.688691][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 130.688693][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 130.688695][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 130.688697][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 130.688699][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 130.688702][ T71] cleanup_net (net/core/net_namespace.c:706) [ 130.688704][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 130.688705][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.688707][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.688708][ T71] process_one_work (kernel/workqueue.c:3387) [ 130.688711][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 130.688713][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 130.688715][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 130.688717][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 130.688719][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 130.688721][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 130.688723][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 130.688725][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 130.688727][ T71] kthread (kernel/kthread.c:436) [ 130.688728][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 130.688729][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 130.688731][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 130.688733][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 130.688735][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 130.688737][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 130.688739][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 132.532570][ T2842] softirqs last disabled at (0): 0x0 | [ 132.532572][ T2842] Preemption disabled at: | [ 132.532573][ T2842] vprintk_emit (kernel/printk/printk.c:2471) | [ 132.532582][ T2842] Tainted: [W]=WARN [ 132.532583][ T2842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 132.532585][ T2842] Call Trace: [ 132.532586][ T2842] [ 132.532588][ T2842] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 132.532593][ T2842] ? vprintk_emit (kernel/printk/printk.c:2471) [ 132.532594][ T2842] __might_resched.cold (kernel/sched/core.c:9234) [ 132.532597][ T2842] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 132.532600][ T2842] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 132.532604][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.532606][ 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)) [ 132.532609][ T2842] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 132.532612][ T2842] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 132.532617][ 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) [ 132.532618][ T2842] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 132.532621][ T2842] put_chars (drivers/char/virtio_console.c:1176) [ 132.532622][ T2842] ? __send_to_port (drivers/char/virtio_console.c:654) [ 132.532624][ T2842] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 132.532626][ T2842] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 132.532631][ T2842] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 132.532632][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.532634][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 132.532636][ T2842] console_emit_next_record (kernel/printk/printk.c:3183) [ 132.532639][ T2842] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 132.532641][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.532642][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.532642][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.532643][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 132.532645][ T2842] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 132.532647][ T2842] console_flush_one_record (kernel/printk/printk.c:3268) [ 132.532649][ T2842] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 132.532652][ T2842] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 132.532653][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 132.532655][ T2842] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 132.532657][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.532657][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 132.532659][ 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) [ 132.532660][ T2842] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 132.532662][ T2842] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 132.532664][ T2842] ? vprintk_emit (kernel/printk/printk.c:2478) [ 132.532665][ T2842] vprintk_emit (kernel/printk/printk.c:2479) [ 132.532667][ T2842] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 132.532668][ T2842] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 132.532669][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 132.532672][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 132.532673][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.532675][ T2842] _printk (kernel/printk/printk.c:2504) [ 132.532677][ T2842] ? snapshot_read.cold (user.c:?) [ 132.532679][ T2842] ? br_multicast_flood (??:?) [ 132.532683][ T2842] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 132.532685][ T2842] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 132.532686][ T2842] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 132.532688][ T2842] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 132.532691][ T2842] br_init_port (net/bridge/br_stp_if.c:39) [ 132.532692][ T2842] new_nbp (net/bridge/br_if.c:449) [ 132.532694][ T2842] br_add_if (net/bridge/br_if.c:592) [ 132.532696][ T2842] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 132.532699][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 132.532702][ T2842] do_set_master (net/core/rtnetlink.c:3071) [ 132.532703][ T2842] ? netif_change_flags (net/core/dev.c:9882) [ 132.532706][ T2842] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 132.532707][ T2842] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 132.532709][ T2842] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 132.532710][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.532711][ T2842] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 132.532714][ T2842] ? kasan_save_stack (mm/kasan/common.c:58) [ 132.532716][ T2842] ? kasan_save_stack (mm/kasan/common.c:57) [ 132.532717][ T2842] ? kasan_save_track (mm/kasan/common.c:78) [ 132.532718][ T2842] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 132.532719][ T2842] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 132.532720][ T2842] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 132.532721][ T2842] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 132.532722][ T2842] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 132.532724][ T2842] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 132.532726][ T2842] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 132.532727][ T2842] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 132.532730][ T2842] ? ____sys_sendmsg (net/socket.c:2713) [ 132.532731][ T2842] ? ___sys_sendmsg (net/socket.c:2767) [ 132.532732][ T2842] ? __sys_sendmsg (net/socket.c:2799) [ 132.532734][ T2842] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 132.532737][ T2842] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 132.532739][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.532740][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 132.532742][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.532743][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.532744][ T2842] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 132.532745][ 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) [ 132.532747][ T2842] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 132.532748][ T2842] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 132.532749][ T2842] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 132.532750][ T2842] ? nla_get_range_signed (lib/nlattr.c:270) [ 132.532753][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.532755][ T2842] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 132.532757][ T2842] rtnl_newlink (net/core/rtnetlink.c:4215) [ 132.532758][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.532759][ T2842] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 132.532761][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 132.532762][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.532763][ T2842] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 132.532766][ T2842] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 132.532767][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 132.532768][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.532769][ T2842] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 132.532772][ T2842] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 132.532775][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.532776][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 132.532777][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.532778][ T2842] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 132.532779][ T2842] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 132.532781][ T2842] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 132.532782][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 132.532784][ T2842] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 132.532786][ T2842] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 132.532787][ T2842] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 132.532789][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 132.532790][ T2842] ? netlink_ack (./include/linux/skbuff.h:2718) [ 132.532792][ T2842] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 132.532795][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.532796][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 132.532798][ T2842] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 132.532800][ T2842] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 132.532801][ T2842] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 132.532803][ T2842] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 132.532805][ T2842] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 132.532807][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 132.532808][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 132.532810][ T2842] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 132.532813][ T2842] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 132.532815][ T2842] ____sys_sendmsg (net/socket.c:2713) [ 132.532816][ T2842] ? copy_msghdr_from_user (net/socket.c:2650) [ 132.532818][ T2842] ? sock_write_iter (net/socket.c:1269) [ 132.532819][ T2842] ? move_addr_to_kernel (net/socket.c:258) [ 132.532821][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 132.532823][ T2842] ___sys_sendmsg (net/socket.c:2767) [ 132.532825][ T2842] ? copy_msghdr_from_user (net/socket.c:2619) [ 132.532829][ T2842] __sys_sendmsg (net/socket.c:2799) [ 132.532831][ T2842] ? __sys_sendmsg_sock (net/socket.c:2780) [ 132.532834][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.532835][ T2842] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 132.532837][ T2842] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 132.532839][ T2842] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 132.532840][ T2842] RIP: 0033:0x7fe08b00b54e [ 132.532842][ 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 [ 132.532844][ T2842] RSP: 002b:00007ffe878be3e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 132.532848][ T2842] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe08b00b54e [ 132.532849][ T2842] RDX: 0000000000000000 RSI: 00007ffe878be490 RDI: 0000000000000005 [ 132.532850][ T2842] RBP: 00007ffe878be3f0 R08: 0000000000000000 R09: 0000000000000000 [ 132.532851][ T2842] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911703 [ 132.532851][ T2842] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe878beb60 | [ 139.863554][ T71] softirqs last disabled at (451198): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 139.863556][ T71] Preemption disabled at: | [ 139.863557][ T71] 0x0 | [ 139.863566][ T71] Tainted: [W]=WARN [ 139.863567][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 139.863569][ T71] Workqueue: netns cleanup_net [ 139.863575][ T71] Call Trace: [ 139.863576][ T71] [ 139.863578][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 139.863583][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 139.863587][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 139.863590][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.863594][ T71] __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)) [ 139.863596][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 139.863599][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 139.863604][ T71] ? 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) [ 139.863606][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 139.863608][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 139.863610][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 139.863611][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 139.863613][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 139.863616][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 139.863621][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 139.863622][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 139.863624][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.863626][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 139.863629][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 139.863631][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.863632][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.863633][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.863634][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.863636][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 139.863637][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 139.863640][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 139.863642][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 139.863644][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.863645][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 139.863647][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.863648][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 139.863649][ T71] ? 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) [ 139.863651][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 139.863652][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 139.863654][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 139.863655][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 139.863657][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 139.863658][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.863659][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 139.863663][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 139.863664][ T71] _printk (kernel/printk/printk.c:2504) [ 139.863667][ T71] ? snapshot_read.cold (user.c:?) [ 139.863669][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 139.863672][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 139.863676][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 139.863678][ T71] br_device_event (net/bridge/br.c:111) [ 139.863680][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 139.863681][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 139.863683][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 139.863686][ T71] notifier_call_chain (kernel/notifier.c:85) [ 139.863689][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 139.863691][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 139.863694][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.863695][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 139.863697][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 139.863699][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 139.863701][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 139.863703][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 139.863705][ T71] ? kthread (kernel/kthread.c:436) [ 139.863707][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 139.863710][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 139.863712][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 139.863713][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.863714][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 139.863716][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 139.863718][ T71] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 139.863719][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.863720][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 139.863722][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 139.863724][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 139.863726][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 139.863728][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 139.863730][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 139.863733][ T71] cleanup_net (net/core/net_namespace.c:706) [ 139.863735][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 139.863736][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.863738][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.863739][ T71] process_one_work (kernel/workqueue.c:3387) [ 139.863742][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 139.863744][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 139.863746][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 139.863748][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 139.863750][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 139.863752][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 139.863754][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 139.863756][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 139.863757][ T71] kthread (kernel/kthread.c:436) [ 139.863759][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 139.863760][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 139.863762][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 139.863764][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 139.863765][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 139.863768][ T71] ? 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: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