====================================== | [ 11.306258][ T207] softirqs last disabled at (26571): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.306260][ T207] Preemption disabled at: | [ 11.306261][ T207] 0x0 | [ 11.306271][ T207] Tainted: [W]=WARN [ 11.306272][ T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.306274][ T207] Call Trace: [ 11.306276][ T207] [ 11.306277][ T207] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.306283][ T207] __might_resched.cold (kernel/sched/core.c:9234) [ 11.306288][ T207] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.306292][ T207] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.306297][ T207] __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)) [ 11.306299][ T207] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.306306][ T207] ? 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) [ 11.306308][ T207] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.306312][ T207] put_chars (drivers/char/virtio_console.c:1176) [ 11.306315][ T207] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.306316][ T207] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.306320][ T207] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.306325][ T207] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.306333][ T207] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.306336][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.306338][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.306342][ T207] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.306346][ T207] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.306348][ T207] ? 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)) [ 11.306351][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.306352][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.306356][ T207] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.306361][ T207] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.306363][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.306368][ T207] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.306371][ T207] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.306373][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.306375][ T207] ? 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) [ 11.306378][ T207] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.306380][ T207] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.306383][ T207] vprintk_emit (kernel/printk/printk.c:2479) [ 11.306386][ T207] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.306389][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.306393][ T207] _printk (kernel/printk/printk.c:2504) [ 11.306396][ T207] ? snapshot_read.cold (user.c:?) [ 11.306399][ T207] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 11.306402][ T207] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.306406][ T207] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 11.306409][ T207] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.306413][ T207] ? exit_notify (kernel/exit.c:780) [ 11.306414][ T207] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.306417][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.306420][ T207] do_group_exit (kernel/exit.c:1151) [ 11.306423][ T207] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.306425][ T207] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.306428][ T207] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.306432][ T207] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.306435][ T207] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.306437][ T207] RIP: 0033:0x7f61ea9e31b8 [ 11.306439][ T207] Code: Unable to access opcode bytes at 0x7f61ea9e318e. Code starting with the faulting instruction =========================================== [ 11.306441][ T207] RSP: 002b:00007ffda7d8b5d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.306443][ T207] RAX: ffffffffffffffda RBX: 00007f61eab13f88 RCX: 00007f61ea9e31b8 [ 11.306444][ T207] RDX: 00007f61ea72dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.306445][ T207] RBP: 00007ffda7d8b630 R08: 0000000000000000 R09: 0000000000000050 [ 11.306446][ T207] R10: 00007ffda7d8b3f0 R11: 0000000000000246 R12: 0000000000000001 [ 11.306447][ T207] R13: 0000000000000000 R14: 00007f61eab12680 R15: 00007f61eab13fa0 | [ 13.648798][ T270] softirqs last disabled at (17014): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 13.648800][ T270] Preemption disabled at: | [ 13.648801][ T270] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.648810][ T270] Tainted: [W]=WARN [ 13.648812][ T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.648813][ T270] Call Trace: [ 13.648815][ T270] [ 13.648816][ T270] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.648823][ T270] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.648824][ T270] __might_resched.cold (kernel/sched/core.c:9234) [ 13.648829][ T270] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.648834][ T270] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.648838][ T270] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 13.648840][ T270] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.648847][ T270] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 13.648850][ T270] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.648854][ T270] put_chars (drivers/char/virtio_console.c:1176) [ 13.648856][ T270] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.648859][ T270] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 13.648864][ T270] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.648872][ T270] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.648874][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.648877][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.648881][ T270] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.648885][ T270] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.648887][ T270] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 13.648890][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.648892][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.648896][ T270] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.648900][ T270] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.648902][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.648907][ T270] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.648910][ T270] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.648912][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.648914][ T270] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 13.648918][ T270] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.648919][ T270] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.648922][ T270] vprintk_emit (kernel/printk/printk.c:2479) [ 13.648925][ T270] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.648927][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.648929][ T270] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 13.648933][ T270] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.648936][ T270] _printk (kernel/printk/printk.c:2504) [ 13.648940][ T270] ? snapshot_read.cold (user.c:?) [ 13.648944][ T270] ? br_multicast_flood (??:?) [ 13.648947][ T270] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.648948][ T270] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.648950][ T270] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.648954][ T270] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 13.648958][ T270] br_init_port (net/bridge/br_stp_if.c:39) [ 13.648960][ T270] new_nbp (net/bridge/br_if.c:449) [ 13.648964][ T270] br_add_if (net/bridge/br_if.c:592) [ 13.648967][ T270] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 13.648971][ T270] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 13.648976][ T270] do_set_master (net/core/rtnetlink.c:3071) [ 13.648977][ T270] ? netif_change_flags (net/core/dev.c:9882) [ 13.648981][ T270] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.648985][ T270] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 13.648988][ T270] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 13.648990][ T270] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 13.648992][ T270] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 13.648996][ T270] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.648999][ T270] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.649000][ T270] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.649003][ T270] ? kasan_save_stack (mm/kasan/common.c:58) [ 13.649006][ T270] ? kasan_save_stack (mm/kasan/common.c:57) [ 13.649007][ T270] ? kasan_save_track (mm/kasan/common.c:78) [ 13.649008][ T270] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 13.649010][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.649012][ T270] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 13.649015][ T270] ? ___sys_sendmsg (net/socket.c:2758) [ 13.649019][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.649021][ T270] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.649024][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.649025][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.649027][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.649028][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.649030][ T270] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 13.649032][ T270] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 13.649034][ T270] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 13.649036][ T270] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.649039][ T270] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 13.649040][ T270] ? nla_get_range_signed (lib/nlattr.c:270) [ 13.649046][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.649048][ T270] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 13.649053][ T270] rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.649058][ T270] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.649060][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.649065][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.649067][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.649069][ T270] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.649071][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.649074][ T270] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.649076][ T270] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.649079][ T270] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.649081][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.649085][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.649087][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.649091][ T270] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 13.649094][ T270] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.649097][ T270] ? netlink_ack (./include/linux/skbuff.h:2718) [ 13.649103][ T270] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 13.649105][ T270] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 13.649110][ T270] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 13.649114][ T270] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.649117][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.649121][ T270] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 13.649125][ T270] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.649129][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.649131][ T270] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 13.649136][ T270] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 13.649139][ T270] ____sys_sendmsg (net/socket.c:2713) [ 13.649141][ T270] ? copy_msghdr_from_user (net/socket.c:2650) [ 13.649143][ T270] ? sock_write_iter (net/socket.c:1269) [ 13.649145][ T270] ? move_addr_to_kernel (net/socket.c:258) [ 13.649153][ T270] ___sys_sendmsg (net/socket.c:2767) [ 13.649156][ T270] ? copy_msghdr_from_user (net/socket.c:2619) [ 13.649172][ T270] __sys_sendmsg (net/socket.c:2799) [ 13.649175][ T270] ? __sys_sendmsg_sock (net/socket.c:2780) [ 13.649181][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.649184][ T270] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.649187][ T270] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.649190][ T270] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.649193][ T270] RIP: 0033:0x7f703e5dd54e [ 13.649197][ T270] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 13.649198][ T270] RSP: 002b:00007ffc7176e8e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.649201][ T270] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f703e5dd54e [ 13.649203][ T270] RDX: 0000000000000000 RSI: 00007ffc7176e990 RDI: 0000000000000005 [ 13.649204][ T270] RBP: 00007ffc7176e8f0 R08: 0000000000000000 R09: 0000000000000000 [ 13.649204][ T270] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da03 [ 13.649205][ T270] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7176f060 | [ 20.101510][ T311] softirqs last disabled at (31115): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 20.101512][ T311] Preemption disabled at: | [ 20.101513][ T311] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.101522][ T311] Tainted: [W]=WARN [ 20.101523][ T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.101525][ T311] Call Trace: [ 20.101526][ T311] [ 20.101528][ T311] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.101533][ T311] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.101535][ T311] __might_resched.cold (kernel/sched/core.c:9234) [ 20.101540][ T311] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.101545][ 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) [ 20.101549][ 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)) [ 20.101551][ T311] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.101558][ 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) [ 20.101561][ T311] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.101565][ T311] put_chars (drivers/char/virtio_console.c:1176) [ 20.101566][ T311] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 20.101569][ T311] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.101572][ T311] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.101575][ T311] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.101580][ T311] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.101584][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.101585][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.101590][ T311] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.101592][ T311] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 20.101595][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.101598][ T311] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.101602][ T311] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.101606][ T311] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.101608][ 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)) [ 20.101611][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.101613][ T311] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.101617][ T311] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.101621][ T311] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.101623][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.101628][ T311] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.101631][ T311] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.101633][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.101635][ 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) [ 20.101639][ T311] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.101641][ T311] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.101643][ T311] vprintk_emit (kernel/printk/printk.c:2479) [ 20.101653][ T311] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.101658][ T311] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 20.101661][ T311] _printk (kernel/printk/printk.c:2504) [ 20.101665][ T311] ? snapshot_read.cold (user.c:?) [ 20.101671][ 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) [ 20.101675][ T311] gact_init_module (net/sched/act_gact.c:180) act_gact [ 20.101677][ T311] do_one_initcall (init/main.c:1357) [ 20.101680][ T311] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 20.101685][ T311] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 20.101688][ T311] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 20.101693][ T311] do_init_module (kernel/module/main.c:3117) [ 20.101696][ T311] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 20.101701][ T311] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 20.101703][ T311] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 20.101707][ T311] load_module (kernel/module/main.c:3593) [ 20.101712][ T311] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 20.101717][ T311] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 20.101720][ T311] ? __ia32_sys_fsconfig (??:?) [ 20.101724][ T311] ? backing_file_read_iter (fs/backing-file.c:211) [ 20.101728][ T311] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.101732][ T311] init_module_from_file (kernel/module/main.c:3790) [ 20.101735][ T311] ? __do_sys_init_module (kernel/module/main.c:3664) [ 20.101745][ T311] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.101751][ 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) [ 20.101754][ T311] idempotent_init_module (kernel/module/main.c:3802) [ 20.101757][ T311] ? init_module_from_file (kernel/module/main.c:3791) [ 20.101762][ T311] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 20.101765][ T311] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 20.101770][ T311] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 20.101772][ T311] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.101776][ T311] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.101779][ T311] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.101782][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.101785][ T311] RIP: 0033:0x7f60c54c337d [ 20.101788][ 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 [ 20.101790][ T311] RSP: 002b:00007ffe44b21548 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 20.101793][ T311] RAX: ffffffffffffffda RBX: 000055807ae35810 RCX: 00007f60c54c337d [ 20.101794][ T311] RDX: 0000000000000000 RSI: 000055806af89ffd RDI: 0000000000000000 [ 20.101795][ T311] RBP: 00007ffe44b215e0 R08: 0000000000000000 R09: 0000000000000000 [ 20.101796][ T311] R10: 0000000000000000 R11: 0000000000000246 R12: 000055806af89ffd [ 20.101797][ T311] R13: 000055807ae35960 R14: 0000000000040000 R15: 0000000000000000 | [ 26.537149][ T12] softirqs last disabled at (51694): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 26.537151][ T12] Preemption disabled at: | [ 26.537152][ T12] 0x0 | [ 26.537162][ T12] Tainted: [W]=WARN [ 26.537163][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.537165][ T12] Workqueue: netns cleanup_net [ 26.537168][ T12] Call Trace: [ 26.537170][ T12] [ 26.537172][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.537178][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 26.537183][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.537188][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.537192][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 26.537194][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.537201][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 26.537204][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.537208][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 26.537210][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.537217][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.537225][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.537228][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.537233][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.537237][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.537239][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 26.537242][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.537245][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.537249][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.537253][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.537255][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.537261][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.537264][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.537266][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.537268][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 26.537272][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.537273][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.537276][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 26.537280][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.537281][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 26.537287][ T12] _printk (kernel/printk/printk.c:2504) [ 26.537291][ T12] ? snapshot_read.cold (user.c:?) [ 26.537299][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 26.537304][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 26.537308][ T12] br_device_event (net/bridge/br.c:111) [ 26.537310][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 26.537314][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 26.537320][ T12] notifier_call_chain (kernel/notifier.c:85) [ 26.537325][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 26.537329][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 26.537332][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 26.537335][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 26.537340][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 26.537342][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 26.537344][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 26.537346][ T12] ? kthread (kernel/kthread.c:436) [ 26.537348][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 26.537351][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 26.537354][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 26.537357][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 26.537363][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 26.537366][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 26.537369][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.537372][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 26.537376][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 26.537380][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 26.537383][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 26.537384][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.537388][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 26.537392][ T12] cleanup_net (net/core/net_namespace.c:706) [ 26.537396][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 26.537399][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.537401][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.537405][ T12] process_one_work (kernel/workqueue.c:3387) [ 26.537412][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 26.537415][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.537423][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 26.537430][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.537433][ T12] kthread (kernel/kthread.c:436) [ 26.537435][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.537438][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 26.537441][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 26.537444][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 26.537447][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 26.537451][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 26.537454][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 29.826222][ T558] softirqs last disabled at (30422): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 29.826224][ T558] Preemption disabled at: | [ 29.826225][ T558] vprintk_emit (kernel/printk/printk.c:2471) | [ 29.826233][ T558] Tainted: [W]=WARN [ 29.826234][ T558] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.826235][ T558] Call Trace: [ 29.826237][ T558] [ 29.826238][ T558] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.826244][ T558] ? vprintk_emit (kernel/printk/printk.c:2471) [ 29.826246][ T558] __might_resched.cold (kernel/sched/core.c:9234) [ 29.826251][ T558] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.826255][ T558] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.826259][ T558] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 29.826261][ T558] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.826268][ T558] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 29.826270][ T558] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.826274][ T558] put_chars (drivers/char/virtio_console.c:1176) [ 29.826276][ T558] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.826278][ T558] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.826281][ T558] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.826287][ T558] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.826294][ T558] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.826297][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.826299][ T558] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.826303][ T558] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.826306][ T558] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.826308][ T558] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 29.826312][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.826313][ T558] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.826317][ T558] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.826321][ T558] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.826323][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.826328][ T558] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.826331][ T558] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.826333][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.826335][ T558] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 29.826338][ T558] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.826340][ T558] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.826343][ T558] vprintk_emit (kernel/printk/printk.c:2479) [ 29.826346][ T558] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.826348][ T558] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.826351][ T558] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 29.826354][ T558] _printk (kernel/printk/printk.c:2504) [ 29.826357][ T558] ? snapshot_read.cold (user.c:?) [ 29.826361][ T558] ? br_multicast_flood (??:?) [ 29.826364][ T558] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 29.826366][ T558] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 29.826367][ T558] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 29.826371][ T558] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 29.826375][ T558] br_init_port (net/bridge/br_stp_if.c:39) [ 29.826378][ T558] new_nbp (net/bridge/br_if.c:449) [ 29.826382][ T558] br_add_if (net/bridge/br_if.c:592) [ 29.826384][ T558] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 29.826388][ T558] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 29.826394][ T558] do_set_master (net/core/rtnetlink.c:3071) [ 29.826395][ T558] ? netif_change_flags (net/core/dev.c:9882) [ 29.826399][ T558] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 29.826402][ T558] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 29.826406][ T558] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 29.826407][ T558] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 29.826410][ T558] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 29.826413][ T558] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.826415][ T558] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.826417][ T558] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.826419][ T558] ? kasan_save_stack (mm/kasan/common.c:58) [ 29.826421][ T558] ? kasan_save_stack (mm/kasan/common.c:57) [ 29.826422][ T558] ? kasan_save_track (mm/kasan/common.c:78) [ 29.826424][ T558] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 29.826426][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.826428][ T558] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 29.826431][ T558] ? ___sys_sendmsg (net/socket.c:2758) [ 29.826434][ T558] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.826436][ T558] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 29.826439][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.826440][ T558] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.826442][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.826443][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.826445][ T558] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 29.826447][ T558] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 29.826449][ T558] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 29.826451][ T558] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 29.826455][ T558] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 29.826456][ T558] ? nla_get_range_signed (lib/nlattr.c:270) [ 29.826461][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.826463][ T558] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 29.826468][ T558] rtnl_newlink (net/core/rtnetlink.c:4215) [ 29.826473][ T558] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 29.826475][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.826480][ T558] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.826482][ T558] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.826484][ T558] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 29.826486][ T558] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.826489][ T558] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 29.826491][ T558] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 29.826494][ T558] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 29.826496][ T558] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.826500][ T558] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.826502][ T558] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.826506][ T558] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 29.826509][ T558] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 29.826512][ T558] ? netlink_ack (./include/linux/skbuff.h:2718) [ 29.826518][ T558] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 29.826520][ T558] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 29.826525][ T558] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 29.826529][ T558] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.826531][ T558] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.826535][ T558] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 29.826539][ T558] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.826543][ T558] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.826545][ T558] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 29.826550][ T558] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 29.826553][ T558] ____sys_sendmsg (net/socket.c:2713) [ 29.826555][ T558] ? copy_msghdr_from_user (net/socket.c:2650) [ 29.826558][ T558] ? sock_write_iter (net/socket.c:1269) [ 29.826559][ T558] ? move_addr_to_kernel (net/socket.c:258) [ 29.826566][ T558] ___sys_sendmsg (net/socket.c:2767) [ 29.826569][ T558] ? copy_msghdr_from_user (net/socket.c:2619) [ 29.826585][ T558] __sys_sendmsg (net/socket.c:2799) [ 29.826587][ T558] ? __sys_sendmsg_sock (net/socket.c:2780) [ 29.826593][ T558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.826596][ T558] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.826599][ T558] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 29.826602][ T558] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 29.826604][ T558] RIP: 0033:0x7fcf29f9854e [ 29.826608][ T558] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 29.826610][ T558] RSP: 002b:00007fff5dcd3200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 29.826613][ T558] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fcf29f9854e [ 29.826614][ T558] RDX: 0000000000000000 RSI: 00007fff5dcd32b0 RDI: 0000000000000005 [ 29.826615][ T558] RBP: 00007fff5dcd3210 R08: 0000000000000000 R09: 0000000000000000 [ 29.826616][ T558] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da14 [ 29.826617][ T558] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5dcd3980 | [ 37.788262][ T12] softirqs last disabled at (295006): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 37.788265][ T12] Preemption disabled at: | [ 37.788266][ T12] 0x0 | [ 37.788280][ T12] Tainted: [W]=WARN [ 37.788281][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.788284][ T12] Workqueue: netns cleanup_net [ 37.788288][ T12] Call Trace: [ 37.788291][ T12] [ 37.788294][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.788303][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 37.788309][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.788315][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 37.788323][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 37.788326][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.788336][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 37.788340][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.788346][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 37.788350][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.788363][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.788376][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.788381][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.788390][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.788397][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.788400][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 37.788406][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.788410][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.788418][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.788425][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.788428][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.788439][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.788444][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.788446][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.788450][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 37.788456][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.788459][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.788465][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 37.788471][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.788473][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 37.788477][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.788481][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.788488][ T12] _printk (kernel/printk/printk.c:2504) [ 37.788494][ T12] ? snapshot_read.cold (user.c:?) [ 37.788509][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 37.788516][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 37.788523][ T12] br_device_event (net/bridge/br.c:111) [ 37.788526][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 37.788531][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 37.788544][ T12] notifier_call_chain (kernel/notifier.c:85) [ 37.788555][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 37.788560][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 37.788566][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 37.788571][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 37.788579][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 37.788584][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 37.788587][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 37.788590][ T12] ? kthread (kernel/kthread.c:436) [ 37.788593][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 37.788598][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 37.788603][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 37.788610][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 37.788622][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 37.788628][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 37.788633][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.788637][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 37.788644][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 37.788654][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 37.788658][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 37.788661][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.788666][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 37.788675][ T12] cleanup_net (net/core/net_namespace.c:706) [ 37.788680][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 37.788687][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.788690][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.788697][ T12] process_one_work (kernel/workqueue.c:3387) [ 37.788710][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 37.788716][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.788732][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 37.788748][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 37.788752][ T12] kthread (kernel/kthread.c:436) [ 37.788755][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 37.788760][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 37.788765][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 37.788770][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 37.788776][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 37.788782][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 37.788787][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 41.028700][ T757] softirqs last disabled at (14546): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 41.028702][ T757] Preemption disabled at: | [ 41.028702][ T757] vprintk_emit (kernel/printk/printk.c:2471) | [ 41.028711][ T757] Tainted: [W]=WARN [ 41.028712][ T757] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.028714][ T757] Call Trace: [ 41.028716][ T757] [ 41.028717][ T757] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.028724][ T757] ? vprintk_emit (kernel/printk/printk.c:2471) [ 41.028725][ T757] __might_resched.cold (kernel/sched/core.c:9234) [ 41.028730][ T757] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.028734][ 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) [ 41.028740][ 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)) [ 41.028743][ T757] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.028752][ 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) [ 41.028756][ T757] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.028761][ T757] put_chars (drivers/char/virtio_console.c:1176) [ 41.028763][ T757] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.028765][ T757] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.028769][ T757] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.028775][ T757] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.028783][ T757] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.028785][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.028787][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.028792][ T757] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.028796][ T757] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.028798][ 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)) [ 41.028801][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.028803][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.028807][ T757] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.028811][ T757] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.028813][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.028819][ T757] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.028824][ T757] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.028826][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.028828][ 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) [ 41.028831][ T757] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.028833][ T757] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.028836][ T757] vprintk_emit (kernel/printk/printk.c:2479) [ 41.028839][ T757] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.028841][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.028844][ T757] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 41.028848][ T757] _printk (kernel/printk/printk.c:2504) [ 41.028852][ T757] ? snapshot_read.cold (user.c:?) [ 41.028855][ T757] ? br_multicast_flood (??:?) [ 41.028858][ T757] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 41.028860][ T757] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 41.028861][ T757] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 41.028866][ T757] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 41.028870][ T757] br_init_port (net/bridge/br_stp_if.c:39) [ 41.028873][ T757] new_nbp (net/bridge/br_if.c:449) [ 41.028876][ T757] br_add_if (net/bridge/br_if.c:592) [ 41.028879][ T757] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 41.028883][ T757] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 41.028889][ T757] do_set_master (net/core/rtnetlink.c:3071) [ 41.028890][ T757] ? netif_change_flags (net/core/dev.c:9882) [ 41.028894][ T757] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 41.028898][ T757] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 41.028901][ T757] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 41.028903][ T757] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 41.028906][ T757] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 41.028909][ T757] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.028911][ T757] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.028913][ T757] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.028916][ T757] ? kasan_save_stack (mm/kasan/common.c:58) [ 41.028918][ T757] ? kasan_save_stack (mm/kasan/common.c:57) [ 41.028919][ T757] ? kasan_save_track (mm/kasan/common.c:78) [ 41.028920][ T757] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 41.028923][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.028925][ T757] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 41.028928][ T757] ? ___sys_sendmsg (net/socket.c:2758) [ 41.028932][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.028934][ T757] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 41.028937][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.028938][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.028940][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.028941][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.028943][ T757] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 41.028946][ 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) [ 41.028948][ T757] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 41.028950][ T757] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 41.028954][ T757] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 41.028955][ T757] ? nla_get_range_signed (lib/nlattr.c:270) [ 41.028961][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.028963][ T757] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 41.028968][ T757] rtnl_newlink (net/core/rtnetlink.c:4215) [ 41.028974][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.028976][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.028981][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.028983][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.028985][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.028987][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.028991][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.028993][ T757] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 41.028996][ T757] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.028997][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.029002][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.029004][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.029008][ T757] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 41.029011][ T757] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.029014][ T757] ? netlink_ack (./include/linux/skbuff.h:2718) [ 41.029021][ 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)) [ 41.029023][ 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)) [ 41.029028][ T757] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 41.029032][ T757] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 41.029035][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.029039][ T757] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 41.029043][ T757] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 41.029047][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.029049][ T757] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 41.029054][ T757] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 41.029057][ T757] ____sys_sendmsg (net/socket.c:2713) [ 41.029059][ T757] ? copy_msghdr_from_user (net/socket.c:2650) [ 41.029062][ T757] ? sock_write_iter (net/socket.c:1269) [ 41.029063][ T757] ? move_addr_to_kernel (net/socket.c:258) [ 41.029071][ T757] ___sys_sendmsg (net/socket.c:2767) [ 41.029074][ T757] ? copy_msghdr_from_user (net/socket.c:2619) [ 41.029090][ T757] __sys_sendmsg (net/socket.c:2799) [ 41.029093][ T757] ? __sys_sendmsg_sock (net/socket.c:2780) [ 41.029099][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.029103][ T757] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 41.029106][ T757] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 41.029109][ T757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 41.029111][ T757] RIP: 0033:0x7fbbf10ca54e [ 41.029115][ 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 [ 41.029117][ T757] RSP: 002b:00007fff6d3dbe00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 41.029120][ T757] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbbf10ca54e [ 41.029122][ T757] RDX: 0000000000000000 RSI: 00007fff6d3dbeb0 RDI: 0000000000000005 [ 41.029123][ T757] RBP: 00007fff6d3dbe10 R08: 0000000000000000 R09: 0000000000000000 [ 41.029123][ T757] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da1f [ 41.029124][ T757] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6d3dc580 | [ 56.292945][ C0] softirqs last disabled at (1751013): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 56.292947][ C0] Preemption disabled at: | [ 56.292947][ C0] schedule_preempt_disabled (kernel/sched/core.c:7420) | [ 56.292959][ C0] Tainted: [W]=WARN [ 56.292960][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 56.292962][ C0] Call Trace: [ 56.292964][ C0] [ 56.292966][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 56.292972][ C0] ? schedule_preempt_disabled (kernel/sched/core.c:7420) [ 56.292973][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 56.292977][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 56.292981][ C0] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 56.292984][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.292987][ C0] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 56.292990][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.292993][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.292997][ C0] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 56.292999][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.293002][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 56.293004][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 56.293005][ C0] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 56.293008][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 56.293013][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 56.293015][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.293016][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.293019][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 56.293021][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 56.293023][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.293024][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.293025][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.293027][ C0] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 56.293029][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 56.293032][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 56.293034][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 56.293036][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.293038][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 56.293039][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.293040][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 56.293042][ C0] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 56.293044][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 56.293045][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 56.293047][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 56.293049][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 56.293050][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.293051][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 56.293053][ C0] ? x86_64_start_kernel (./arch/x86/include/asm/page_64.h:103 ./arch/x86/include/asm/page_64.h:114 arch/x86/kernel/head64.c:255) [ 56.293057][ C0] _printk (kernel/printk/printk.c:2504) [ 56.293060][ C0] ? snapshot_read.cold (user.c:?) [ 56.293061][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 56.293064][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 56.293066][ C0] ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723) [ 56.293068][ C0] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1)) [ 56.293071][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 56.293074][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 56.293076][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 56.293078][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 56.293080][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 56.293082][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 56.293085][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.293087][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.293088][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 56.293090][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 56.293091][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 56.293092][ C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 56.293094][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 56.293095][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 56.293099][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 56.293101][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 56.293104][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 56.293106][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 56.293108][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.293109][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 56.293111][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 56.293113][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 56.293115][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 56.293118][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.293120][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 56.293122][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 56.293124][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 56.293127][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.293128][ C0] handle_softirqs (kernel/softirq.c:645) [ 56.293130][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 56.293132][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 56.293134][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 56.293135][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 56.293137][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 56.293139][ C0] [ 56.293140][ C0] [ 56.293140][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 56.293142][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 56.293145][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 56.293147][ C0] Code: 48 8b 3d 94 92 68 02 e8 1f 00 00 00 48 2b 05 58 e3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 16 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 92 68 02 mov 0x2689294(%rip),%rdi # 0x268929b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 e3 a0 00 sub 0xa0e358(%rip),%rax # 0xa0e36b 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 16 0e 00 verw 0xe1613(%rip) # 0xe163b 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 [ 56.293149][ C0] RSP: 0018:ffffffffa2007cf8 EFLAGS: 00000296 [ 56.293152][ C0] RAX: 00000000001ab7e3 RBX: ffffffffa2030600 RCX: ffffffff9e706247 [ 56.293154][ C0] RDX: ffffffffa2030600 RSI: ffffffffa1911042 RDI: ffffffffa12949e0 [ 56.293155][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 56.293156][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4400fa2 [ 56.293157][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 56.293158][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 56.293161][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 56.293163][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 56.293165][ C0] default_idle_call (kernel/sched/idle.c:122) [ 56.293166][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 56.293168][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 56.293170][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 56.293172][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.293174][ C0] do_idle (kernel/sched/idle.c:355) [ 56.293175][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 56.293177][ C0] rest_init (init/main.c:727) [ 56.293179][ C0] ? __cpuidle_text_end (??:?) [ 56.293181][ C0] ? rest_init (init/main.c:727) [ 56.293183][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 56.293187][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 56.293189][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 56.293191][ C0] start_kernel (init/main.c:1185) [ 56.293193][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 56.293195][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 56.293197][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 56.362549][ C0] | [ 56.362624][ C0] | [ 56.362624][ C0] stack backtrace: | [ 56.362875][ C0] Tainted: [W]=WARN [ 56.362876][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 56.362877][ C0] Call Trace: [ 56.362878][ C0] [ 56.362879][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 56.362884][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 56.362887][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 56.362890][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 56.362892][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 56.362894][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 56.362896][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 56.362898][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 56.362899][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362902][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.362904][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 56.362905][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 56.362907][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 56.362908][ C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 56.362909][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 56.362911][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 56.362913][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 56.362915][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 56.362918][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 56.362920][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 56.362922][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362923][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 56.362925][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 56.362927][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 56.362929][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 56.362931][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.362934][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 56.362936][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 56.362938][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 56.362941][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362942][ C0] handle_softirqs (kernel/softirq.c:645) [ 56.362944][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 56.362946][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 56.362948][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 56.362950][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 56.362951][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 56.362953][ C0] [ 56.362953][ C0] [ 56.362954][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 56.362956][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 56.362957][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 56.362959][ C0] Code: 48 8b 3d 94 92 68 02 e8 1f 00 00 00 48 2b 05 58 e3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 16 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 92 68 02 mov 0x2689294(%rip),%rdi # 0x268929b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 e3 a0 00 sub 0xa0e358(%rip),%rax # 0xa0e36b 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 16 0e 00 verw 0xe1613(%rip) # 0xe163b 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 [ 56.362961][ C0] RSP: 0018:ffffffffa2007cf8 EFLAGS: 00000296 [ 56.362962][ C0] RAX: 00000000001ab7e3 RBX: ffffffffa2030600 RCX: ffffffff9e706247 [ 56.362964][ C0] RDX: ffffffffa2030600 RSI: ffffffffa1911042 RDI: ffffffffa12949e0 [ 56.362964][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 56.362965][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4400fa2 [ 56.362966][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 56.362968][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 56.362970][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 56.362971][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 56.362973][ C0] default_idle_call (kernel/sched/idle.c:122) [ 56.362974][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 56.362976][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 56.362978][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 56.362980][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362982][ C0] do_idle (kernel/sched/idle.c:355) [ 56.362983][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 56.362985][ C0] rest_init (init/main.c:727) [ 56.362987][ C0] ? __cpuidle_text_end (??:?) [ 56.362989][ C0] ? rest_init (init/main.c:727) [ 56.362991][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 56.362995][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 56.362996][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 56.362998][ C0] start_kernel (init/main.c:1185) [ 56.363000][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 56.363002][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 56.363004][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 61.045674][ T12] softirqs last disabled at (485468): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 61.045676][ T12] Preemption disabled at: | [ 61.045677][ T12] 0x0 | [ 61.045687][ T12] Tainted: [W]=WARN [ 61.045688][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 61.045690][ T12] Workqueue: netns cleanup_net [ 61.045696][ T12] Call Trace: [ 61.045698][ T12] [ 61.045699][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 61.045705][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 61.045709][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 61.045713][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.045717][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 61.045719][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 61.045723][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 61.045727][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 61.045729][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 61.045732][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 61.045733][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 61.045735][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 61.045738][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 61.045741][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 61.045748][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 61.045750][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 61.045753][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.045756][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 61.045759][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 61.045761][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.045762][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.045763][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.045764][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.045766][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 61.045768][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 61.045770][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 61.045773][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 61.045775][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.045777][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 61.045779][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.045780][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 61.045781][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 61.045783][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 61.045784][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 61.045786][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 61.045787][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 61.045789][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 61.045790][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.045791][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 61.045794][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 61.045796][ T12] _printk (kernel/printk/printk.c:2504) [ 61.045799][ T12] ? snapshot_read.cold (user.c:?) [ 61.045801][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 61.045804][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 61.045809][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 61.045810][ T12] br_device_event (net/bridge/br.c:111) [ 61.045813][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 61.045814][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 61.045816][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 61.045819][ T12] notifier_call_chain (kernel/notifier.c:85) [ 61.045825][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 61.045828][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 61.045830][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.045832][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 61.045834][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 61.045836][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 61.045838][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 61.045839][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 61.045842][ T12] ? kthread (kernel/kthread.c:436) [ 61.045844][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 61.045847][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 61.045849][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 61.045851][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.045852][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 61.045854][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 61.045855][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 61.045857][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.045858][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 61.045860][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 61.045862][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 61.045864][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 61.045866][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 61.045868][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 61.045871][ T12] cleanup_net (net/core/net_namespace.c:706) [ 61.045873][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 61.045875][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.045877][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.045878][ T12] process_one_work (kernel/workqueue.c:3387) [ 61.045881][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 61.045883][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 61.045885][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 61.045888][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 61.045891][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 61.045892][ T12] kthread (kernel/kthread.c:436) [ 61.045894][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 61.045895][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 61.045897][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 61.045899][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 61.045901][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 61.045904][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 61.045906][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 63.062363][ T1034] softirqs last disabled at (0): 0x0 | [ 63.062365][ T1034] Preemption disabled at: | [ 63.062365][ T1034] vprintk_emit (kernel/printk/printk.c:2471) | [ 63.062375][ T1034] Tainted: [W]=WARN [ 63.062376][ T1034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 63.062378][ T1034] Call Trace: [ 63.062380][ T1034] [ 63.062381][ T1034] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 63.062386][ T1034] ? vprintk_emit (kernel/printk/printk.c:2471) [ 63.062387][ T1034] __might_resched.cold (kernel/sched/core.c:9234) [ 63.062391][ T1034] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 63.062395][ T1034] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 63.062398][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.062401][ 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)) [ 63.062403][ T1034] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.062408][ T1034] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.062413][ 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) [ 63.062415][ T1034] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.062418][ T1034] put_chars (drivers/char/virtio_console.c:1176) [ 63.062419][ T1034] ? __send_to_port (drivers/char/virtio_console.c:654) [ 63.062421][ T1034] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 63.062423][ T1034] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 63.062428][ T1034] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 63.062430][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.062431][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.062433][ T1034] console_emit_next_record (kernel/printk/printk.c:3183) [ 63.062436][ T1034] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 63.062438][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.062439][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.062440][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.062441][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.062442][ T1034] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 63.062444][ T1034] console_flush_one_record (kernel/printk/printk.c:3268) [ 63.062446][ T1034] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 63.062449][ T1034] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 63.062451][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.062452][ T1034] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 63.062454][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.062455][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 63.062456][ 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) [ 63.062458][ T1034] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 63.062459][ T1034] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 63.062461][ T1034] ? vprintk_emit (kernel/printk/printk.c:2478) [ 63.062462][ T1034] vprintk_emit (kernel/printk/printk.c:2479) [ 63.062464][ T1034] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 63.062465][ T1034] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.062467][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 63.062469][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.062471][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.062472][ T1034] _printk (kernel/printk/printk.c:2504) [ 63.062475][ T1034] ? snapshot_read.cold (user.c:?) [ 63.062477][ T1034] ? br_multicast_flood (??:?) [ 63.062480][ T1034] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 63.062483][ T1034] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 63.062484][ T1034] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 63.062486][ T1034] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 63.062489][ T1034] br_init_port (net/bridge/br_stp_if.c:39) [ 63.062491][ T1034] new_nbp (net/bridge/br_if.c:449) [ 63.062493][ T1034] br_add_if (net/bridge/br_if.c:592) [ 63.062495][ T1034] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 63.062498][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 63.062501][ T1034] do_set_master (net/core/rtnetlink.c:3071) [ 63.062502][ T1034] ? netif_change_flags (net/core/dev.c:9882) [ 63.062504][ T1034] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 63.062506][ T1034] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 63.062507][ T1034] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 63.062508][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.062509][ T1034] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 63.062513][ T1034] ? kasan_save_stack (mm/kasan/common.c:58) [ 63.062515][ T1034] ? kasan_save_stack (mm/kasan/common.c:57) [ 63.062516][ T1034] ? kasan_save_track (mm/kasan/common.c:78) [ 63.062517][ T1034] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 63.062518][ T1034] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 63.062519][ T1034] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 63.062520][ T1034] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 63.062521][ T1034] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 63.062524][ T1034] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 63.062525][ T1034] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 63.062527][ T1034] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 63.062529][ T1034] ? ____sys_sendmsg (net/socket.c:2713) [ 63.062530][ T1034] ? ___sys_sendmsg (net/socket.c:2767) [ 63.062532][ T1034] ? __sys_sendmsg (net/socket.c:2799) [ 63.062534][ T1034] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 63.062537][ T1034] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 63.062539][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.062541][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.062542][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.062543][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.062544][ T1034] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 63.062546][ 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) [ 63.062547][ T1034] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 63.062548][ T1034] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 63.062550][ T1034] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 63.062551][ T1034] ? nla_get_range_signed (lib/nlattr.c:270) [ 63.062554][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.062556][ T1034] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 63.062557][ T1034] rtnl_newlink (net/core/rtnetlink.c:4215) [ 63.062559][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.062561][ T1034] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 63.062562][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.062563][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.062565][ T1034] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 63.062567][ T1034] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 63.062569][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 63.062570][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.062571][ T1034] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 63.062574][ T1034] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 63.062577][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.062578][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.062579][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.062580][ T1034] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 63.062581][ T1034] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 63.062583][ T1034] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 63.062584][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 63.062586][ T1034] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 63.062588][ T1034] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 63.062589][ T1034] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 63.062591][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 63.062592][ T1034] ? netlink_ack (./include/linux/skbuff.h:2718) [ 63.062594][ T1034] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 63.062597][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.062598][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 63.062600][ T1034] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 63.062602][ T1034] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 63.062604][ T1034] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 63.062606][ T1034] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 63.062608][ T1034] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 63.062609][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 63.062611][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.062612][ T1034] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 63.062616][ T1034] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 63.062617][ T1034] ____sys_sendmsg (net/socket.c:2713) [ 63.062619][ T1034] ? copy_msghdr_from_user (net/socket.c:2650) [ 63.062620][ T1034] ? sock_write_iter (net/socket.c:1269) [ 63.062622][ T1034] ? move_addr_to_kernel (net/socket.c:258) [ 63.062623][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 63.062626][ T1034] ___sys_sendmsg (net/socket.c:2767) [ 63.062628][ T1034] ? copy_msghdr_from_user (net/socket.c:2619) [ 63.062632][ T1034] __sys_sendmsg (net/socket.c:2799) [ 63.062634][ T1034] ? __sys_sendmsg_sock (net/socket.c:2780) [ 63.062637][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.062638][ T1034] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 63.062640][ T1034] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 63.062648][ T1034] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 63.062650][ T1034] RIP: 0033:0x7f4b48dba54e [ 63.062652][ 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 [ 63.062653][ T1034] RSP: 002b:00007ffe97645760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 63.062657][ T1034] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4b48dba54e [ 63.062658][ T1034] RDX: 0000000000000000 RSI: 00007ffe97645810 RDI: 0000000000000005 [ 63.062659][ T1034] RBP: 00007ffe97645770 R08: 0000000000000000 R09: 0000000000000000 [ 63.062660][ T1034] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da35 [ 63.062661][ T1034] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe97645ee0 | [ 69.997327][ T12] softirqs last disabled at (485468): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 69.997329][ T12] Preemption disabled at: | [ 69.997330][ T12] 0x0 | [ 69.997340][ T12] Tainted: [W]=WARN [ 69.997341][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 69.997343][ T12] Workqueue: netns cleanup_net [ 69.997349][ T12] Call Trace: [ 69.997351][ T12] [ 69.997353][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 69.997359][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 69.997363][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 69.997367][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.997370][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 69.997373][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 69.997375][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 69.997380][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 69.997382][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 69.997384][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 69.997386][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 69.997387][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 69.997390][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 69.997393][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 69.997398][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 69.997399][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 69.997401][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.997404][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 69.997406][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 69.997408][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.997410][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.997411][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.997412][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.997413][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 69.997415][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 69.997418][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 69.997420][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 69.997422][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.997424][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 69.997425][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.997426][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 69.997428][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 69.997429][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 69.997431][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 69.997433][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 69.997435][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 69.997436][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 69.997437][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.997439][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 69.997442][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 69.997444][ T12] _printk (kernel/printk/printk.c:2504) [ 69.997447][ T12] ? snapshot_read.cold (user.c:?) [ 69.997449][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 69.997452][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 69.997456][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 69.997458][ T12] br_device_event (net/bridge/br.c:111) [ 69.997460][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 69.997462][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 69.997464][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 69.997466][ T12] notifier_call_chain (kernel/notifier.c:85) [ 69.997470][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 69.997472][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 69.997475][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.997476][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 69.997478][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 69.997480][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 69.997482][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 69.997484][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 69.997487][ T12] ? kthread (kernel/kthread.c:436) [ 69.997488][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 69.997491][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 69.997493][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 69.997495][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.997496][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 69.997498][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 69.997499][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 69.997501][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.997502][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 69.997504][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 69.997506][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 69.997508][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 69.997510][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 69.997512][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 69.997515][ T12] cleanup_net (net/core/net_namespace.c:706) [ 69.997517][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 69.997519][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.997520][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.997522][ T12] process_one_work (kernel/workqueue.c:3387) [ 69.997525][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 69.997527][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 69.997529][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 69.997531][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 69.997536][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 69.997539][ T12] kthread (kernel/kthread.c:436) [ 69.997541][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 69.997544][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 69.997546][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 69.997549][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 69.997550][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 69.997554][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 69.997555][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 72.040637][ T1247] softirqs last disabled at (0): 0x0 | [ 72.040639][ T1247] Preemption disabled at: | [ 72.040640][ T1247] vprintk_emit (kernel/printk/printk.c:2471) | [ 72.040654][ T1247] Tainted: [W]=WARN [ 72.040655][ T1247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 72.040657][ T1247] Call Trace: [ 72.040659][ T1247] [ 72.040660][ T1247] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 72.040665][ T1247] ? vprintk_emit (kernel/printk/printk.c:2471) [ 72.040666][ T1247] __might_resched.cold (kernel/sched/core.c:9234) [ 72.040670][ T1247] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 72.040673][ T1247] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 72.040677][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.040679][ 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)) [ 72.040681][ T1247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 72.040684][ T1247] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 72.040689][ 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) [ 72.040691][ T1247] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 72.040693][ T1247] put_chars (drivers/char/virtio_console.c:1176) [ 72.040695][ T1247] ? __send_to_port (drivers/char/virtio_console.c:654) [ 72.040696][ T1247] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 72.040699][ T1247] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 72.040703][ T1247] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 72.040705][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.040706][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.040709][ T1247] console_emit_next_record (kernel/printk/printk.c:3183) [ 72.040711][ T1247] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 72.040713][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.040714][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.040715][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.040716][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.040718][ T1247] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 72.040720][ T1247] console_flush_one_record (kernel/printk/printk.c:3268) [ 72.040722][ T1247] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 72.040724][ T1247] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 72.040726][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.040728][ T1247] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 72.040729][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.040730][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 72.040732][ 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) [ 72.040733][ T1247] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 72.040735][ T1247] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 72.040736][ T1247] ? vprintk_emit (kernel/printk/printk.c:2478) [ 72.040738][ T1247] vprintk_emit (kernel/printk/printk.c:2479) [ 72.040740][ T1247] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 72.040742][ T1247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 72.040744][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 72.040748][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.040750][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.040752][ T1247] _printk (kernel/printk/printk.c:2504) [ 72.040755][ T1247] ? snapshot_read.cold (user.c:?) [ 72.040757][ T1247] ? br_multicast_flood (??:?) [ 72.040761][ T1247] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 72.040763][ T1247] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 72.040764][ T1247] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 72.040766][ T1247] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 72.040769][ T1247] br_init_port (net/bridge/br_stp_if.c:39) [ 72.040771][ T1247] new_nbp (net/bridge/br_if.c:449) [ 72.040773][ T1247] br_add_if (net/bridge/br_if.c:592) [ 72.040775][ T1247] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 72.040778][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 72.040781][ T1247] do_set_master (net/core/rtnetlink.c:3071) [ 72.040782][ T1247] ? netif_change_flags (net/core/dev.c:9882) [ 72.040785][ T1247] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 72.040786][ T1247] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 72.040788][ T1247] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 72.040789][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.040790][ T1247] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 72.040793][ T1247] ? kasan_save_stack (mm/kasan/common.c:58) [ 72.040795][ T1247] ? kasan_save_stack (mm/kasan/common.c:57) [ 72.040796][ T1247] ? kasan_save_track (mm/kasan/common.c:78) [ 72.040797][ T1247] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 72.040798][ T1247] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 72.040799][ T1247] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 72.040800][ T1247] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 72.040801][ T1247] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 72.040804][ T1247] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 72.040805][ T1247] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 72.040807][ T1247] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 72.040809][ T1247] ? ____sys_sendmsg (net/socket.c:2713) [ 72.040810][ T1247] ? ___sys_sendmsg (net/socket.c:2767) [ 72.040812][ T1247] ? __sys_sendmsg (net/socket.c:2799) [ 72.040813][ T1247] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 72.040816][ T1247] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 72.040819][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.040820][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.040824][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.040825][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.040826][ T1247] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 72.040828][ 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) [ 72.040829][ T1247] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 72.040830][ T1247] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 72.040832][ T1247] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 72.040833][ T1247] ? nla_get_range_signed (lib/nlattr.c:270) [ 72.040836][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.040837][ T1247] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 72.040839][ T1247] rtnl_newlink (net/core/rtnetlink.c:4215) [ 72.040841][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.040842][ T1247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 72.040843][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.040845][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.040846][ T1247] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 72.040849][ T1247] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 72.040850][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 72.040851][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.040852][ T1247] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 72.040855][ T1247] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 72.040858][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.040859][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.040860][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.040861][ T1247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 72.040862][ T1247] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 72.040864][ T1247] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 72.040865][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 72.040867][ T1247] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 72.040869][ T1247] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 72.040870][ T1247] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 72.040872][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 72.040873][ T1247] ? netlink_ack (./include/linux/skbuff.h:2718) [ 72.040875][ T1247] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 72.040878][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.040879][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 72.040881][ T1247] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 72.040883][ T1247] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 72.040884][ T1247] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 72.040886][ T1247] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 72.040888][ T1247] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 72.040890][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 72.040891][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.040893][ T1247] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 72.040896][ T1247] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 72.040898][ T1247] ____sys_sendmsg (net/socket.c:2713) [ 72.040899][ T1247] ? copy_msghdr_from_user (net/socket.c:2650) [ 72.040901][ T1247] ? sock_write_iter (net/socket.c:1269) [ 72.040902][ T1247] ? move_addr_to_kernel (net/socket.c:258) [ 72.040904][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 72.040906][ T1247] ___sys_sendmsg (net/socket.c:2767) [ 72.040908][ T1247] ? copy_msghdr_from_user (net/socket.c:2619) [ 72.040913][ T1247] __sys_sendmsg (net/socket.c:2799) [ 72.040914][ T1247] ? __sys_sendmsg_sock (net/socket.c:2780) [ 72.040917][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.040919][ T1247] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 72.040920][ T1247] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 72.040922][ T1247] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 72.040924][ T1247] RIP: 0033:0x7f9f766e654e [ 72.040925][ 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 [ 72.040927][ T1247] RSP: 002b:00007fffb1e6e190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 72.040931][ T1247] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9f766e654e [ 72.040932][ T1247] RDX: 0000000000000000 RSI: 00007fffb1e6e240 RDI: 0000000000000005 [ 72.040933][ T1247] RBP: 00007fffb1e6e1a0 R08: 0000000000000000 R09: 0000000000000000 [ 72.040934][ T1247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da3e [ 72.040935][ T1247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb1e6e910 | [ 80.568514][ T12] softirqs last disabled at (485468): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 80.568516][ T12] Preemption disabled at: | [ 80.568517][ T12] 0x0 | [ 80.568527][ T12] Tainted: [W]=WARN [ 80.568528][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 80.568530][ T12] Workqueue: netns cleanup_net [ 80.568537][ T12] Call Trace: [ 80.568539][ T12] [ 80.568542][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 80.568548][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 80.568553][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 80.568558][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.568562][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 80.568565][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 80.568568][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 80.568573][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 80.568574][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 80.568577][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 80.568579][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 80.568580][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 80.568583][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 80.568586][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 80.568590][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 80.568592][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 80.568594][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.568596][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 80.568599][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 80.568601][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.568602][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.568603][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.568604][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.568606][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 80.568608][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 80.568610][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 80.568613][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 80.568615][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.568616][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 80.568618][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.568619][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 80.568620][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 80.568622][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 80.568623][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 80.568625][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 80.568626][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 80.568628][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 80.568629][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.568630][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 80.568634][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 80.568635][ T12] _printk (kernel/printk/printk.c:2504) [ 80.568638][ T12] ? snapshot_read.cold (user.c:?) [ 80.568646][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 80.568649][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 80.568653][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 80.568655][ T12] br_device_event (net/bridge/br.c:111) [ 80.568658][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 80.568659][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 80.568661][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 80.568664][ T12] notifier_call_chain (kernel/notifier.c:85) [ 80.568667][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 80.568670][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 80.568672][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.568674][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 80.568676][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 80.568678][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 80.568680][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 80.568681][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 80.568684][ T12] ? kthread (kernel/kthread.c:436) [ 80.568686][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 80.568689][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 80.568691][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 80.568693][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.568694][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 80.568696][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 80.568697][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 80.568699][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.568700][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 80.568702][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 80.568704][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 80.568706][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 80.568709][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 80.568710][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 80.568714][ T12] cleanup_net (net/core/net_namespace.c:706) [ 80.568715][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 80.568717][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.568719][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.568720][ T12] process_one_work (kernel/workqueue.c:3387) [ 80.568723][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 80.568725][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 80.568727][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 80.568730][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 80.568733][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 80.568734][ T12] kthread (kernel/kthread.c:436) [ 80.568736][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 80.568737][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 80.568739][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 80.568741][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 80.568743][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 80.568746][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 80.568748][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 82.648068][ T1516] softirqs last disabled at (0): 0x0 | [ 82.648069][ T1516] Preemption disabled at: | [ 82.648070][ T1516] vprintk_emit (kernel/printk/printk.c:2471) | [ 82.648080][ T1516] Tainted: [W]=WARN [ 82.648081][ T1516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 82.648083][ T1516] Call Trace: [ 82.648084][ T1516] [ 82.648086][ T1516] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 82.648091][ T1516] ? vprintk_emit (kernel/printk/printk.c:2471) [ 82.648092][ T1516] __might_resched.cold (kernel/sched/core.c:9234) [ 82.648096][ T1516] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 82.648099][ T1516] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 82.648102][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.648105][ T1516] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 82.648107][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 82.648110][ T1516] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.648114][ T1516] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 82.648116][ T1516] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.648119][ T1516] put_chars (drivers/char/virtio_console.c:1176) [ 82.648120][ T1516] ? __send_to_port (drivers/char/virtio_console.c:654) [ 82.648122][ T1516] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 82.648124][ T1516] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 82.648129][ T1516] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 82.648131][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.648132][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.648134][ T1516] console_emit_next_record (kernel/printk/printk.c:3183) [ 82.648137][ T1516] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 82.648138][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.648139][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.648140][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.648141][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.648143][ T1516] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 82.648145][ T1516] console_flush_one_record (kernel/printk/printk.c:3268) [ 82.648147][ T1516] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 82.648150][ T1516] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 82.648151][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.648153][ T1516] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 82.648154][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.648155][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 82.648157][ T1516] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 82.648158][ T1516] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 82.648160][ T1516] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 82.648162][ T1516] ? vprintk_emit (kernel/printk/printk.c:2478) [ 82.648163][ T1516] vprintk_emit (kernel/printk/printk.c:2479) [ 82.648165][ T1516] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 82.648166][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 82.648168][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 82.648170][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.648172][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.648173][ T1516] _printk (kernel/printk/printk.c:2504) [ 82.648176][ T1516] ? snapshot_read.cold (user.c:?) [ 82.648178][ T1516] ? br_multicast_flood (??:?) [ 82.648181][ T1516] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 82.648184][ T1516] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 82.648185][ T1516] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 82.648187][ T1516] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 82.648189][ T1516] br_init_port (net/bridge/br_stp_if.c:39) [ 82.648191][ T1516] new_nbp (net/bridge/br_if.c:449) [ 82.648193][ T1516] br_add_if (net/bridge/br_if.c:592) [ 82.648195][ T1516] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 82.648198][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 82.648201][ T1516] do_set_master (net/core/rtnetlink.c:3071) [ 82.648202][ T1516] ? netif_change_flags (net/core/dev.c:9882) [ 82.648204][ T1516] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 82.648206][ T1516] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 82.648208][ T1516] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 82.648209][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.648210][ T1516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 82.648213][ T1516] ? kasan_save_stack (mm/kasan/common.c:58) [ 82.648215][ T1516] ? kasan_save_stack (mm/kasan/common.c:57) [ 82.648216][ T1516] ? kasan_save_track (mm/kasan/common.c:78) [ 82.648217][ T1516] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 82.648218][ T1516] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 82.648219][ T1516] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 82.648220][ T1516] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 82.648221][ T1516] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 82.648224][ T1516] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 82.648225][ T1516] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 82.648226][ T1516] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 82.648229][ T1516] ? ____sys_sendmsg (net/socket.c:2713) [ 82.648230][ T1516] ? ___sys_sendmsg (net/socket.c:2767) [ 82.648232][ T1516] ? __sys_sendmsg (net/socket.c:2799) [ 82.648233][ T1516] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 82.648236][ T1516] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 82.648238][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.648239][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.648241][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.648242][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.648243][ T1516] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 82.648244][ T1516] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 82.648246][ T1516] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 82.648247][ T1516] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 82.648249][ T1516] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 82.648249][ T1516] ? nla_get_range_signed (lib/nlattr.c:270) [ 82.648253][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.648254][ T1516] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 82.648256][ T1516] rtnl_newlink (net/core/rtnetlink.c:4215) [ 82.648258][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.648259][ T1516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 82.648260][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.648261][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.648263][ T1516] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 82.648265][ T1516] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 82.648266][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 82.648268][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.648269][ T1516] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 82.648272][ T1516] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 82.648274][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.648275][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.648277][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.648278][ T1516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 82.648279][ T1516] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 82.648280][ T1516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 82.648282][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 82.648283][ T1516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 82.648285][ T1516] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 82.648287][ T1516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 82.648288][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 82.648289][ T1516] ? netlink_ack (./include/linux/skbuff.h:2718) [ 82.648291][ T1516] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 82.648294][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.648295][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 82.648297][ T1516] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 82.648299][ T1516] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 82.648301][ T1516] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 82.648302][ T1516] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 82.648304][ T1516] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 82.648306][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 82.648307][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.648309][ T1516] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 82.648312][ T1516] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 82.648314][ T1516] ____sys_sendmsg (net/socket.c:2713) [ 82.648315][ T1516] ? copy_msghdr_from_user (net/socket.c:2650) [ 82.648317][ T1516] ? sock_write_iter (net/socket.c:1269) [ 82.648318][ T1516] ? move_addr_to_kernel (net/socket.c:258) [ 82.648320][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 82.648322][ T1516] ___sys_sendmsg (net/socket.c:2767) [ 82.648324][ T1516] ? copy_msghdr_from_user (net/socket.c:2619) [ 82.648328][ T1516] __sys_sendmsg (net/socket.c:2799) [ 82.648330][ T1516] ? __sys_sendmsg_sock (net/socket.c:2780) [ 82.648333][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.648334][ T1516] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 82.648336][ T1516] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 82.648338][ T1516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 82.648339][ T1516] RIP: 0033:0x7f12d69b054e [ 82.648341][ T1516] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 82.648343][ T1516] RSP: 002b:00007ffe009c9130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 82.648346][ T1516] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f12d69b054e [ 82.648348][ T1516] RDX: 0000000000000000 RSI: 00007ffe009c91e0 RDI: 0000000000000005 [ 82.648349][ T1516] RBP: 00007ffe009c9140 R08: 0000000000000000 R09: 0000000000000000 [ 82.648349][ T1516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da48 [ 82.648350][ T1516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe009c98b0 | [ 91.130984][ T12] softirqs last disabled at (485468): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 91.130986][ T12] Preemption disabled at: | [ 91.130987][ T12] 0x0 | [ 91.130997][ T12] Tainted: [W]=WARN [ 91.130999][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 91.131001][ T12] Workqueue: netns cleanup_net [ 91.131007][ T12] Call Trace: [ 91.131008][ T12] [ 91.131009][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 91.131015][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 91.131019][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 91.131024][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.131027][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 91.131030][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 91.131033][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 91.131038][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 91.131039][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 91.131042][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 91.131044][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 91.131045][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 91.131048][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 91.131050][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 91.131055][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 91.131057][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 91.131059][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.131061][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 91.131064][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 91.131066][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.131067][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.131068][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.131069][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.131071][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 91.131073][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 91.131075][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 91.131078][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 91.131080][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.131082][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 91.131083][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.131084][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 91.131086][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 91.131087][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 91.131089][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 91.131091][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 91.131092][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 91.131094][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 91.131095][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.131096][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 91.131099][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 91.131101][ T12] _printk (kernel/printk/printk.c:2504) [ 91.131104][ T12] ? snapshot_read.cold (user.c:?) [ 91.131106][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 91.131109][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 91.131113][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 91.131115][ T12] br_device_event (net/bridge/br.c:111) [ 91.131117][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 91.131119][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 91.131121][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 91.131124][ T12] notifier_call_chain (kernel/notifier.c:85) [ 91.131127][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 91.131130][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 91.131132][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.131134][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 91.131136][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 91.131138][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 91.131140][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 91.131142][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 91.131144][ T12] ? kthread (kernel/kthread.c:436) [ 91.131146][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 91.131149][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 91.131151][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 91.131153][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.131154][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 91.131156][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 91.131158][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 91.131159][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.131161][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 91.131162][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 91.131164][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 91.131167][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 91.131169][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 91.131171][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 91.131174][ T12] cleanup_net (net/core/net_namespace.c:706) [ 91.131176][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 91.131178][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.131179][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.131181][ T12] process_one_work (kernel/workqueue.c:3387) [ 91.131184][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 91.131186][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 91.131188][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 91.131190][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 91.131193][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 91.131195][ T12] kthread (kernel/kthread.c:436) [ 91.131197][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 91.131198][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 91.131200][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 91.131202][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 91.131204][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 91.131207][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 91.131209][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 93.095694][ T1785] softirqs last disabled at (0): 0x0 | [ 93.095696][ T1785] Preemption disabled at: | [ 93.095696][ T1785] vprintk_emit (kernel/printk/printk.c:2471) | [ 93.095706][ T1785] Tainted: [W]=WARN [ 93.095707][ T1785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 93.095709][ T1785] Call Trace: [ 93.095710][ T1785] [ 93.095711][ T1785] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 93.095717][ T1785] ? vprintk_emit (kernel/printk/printk.c:2471) [ 93.095718][ T1785] __might_resched.cold (kernel/sched/core.c:9234) [ 93.095722][ T1785] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 93.095725][ T1785] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 93.095728][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.095731][ 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)) [ 93.095733][ T1785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 93.095736][ T1785] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 93.095742][ 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) [ 93.095744][ T1785] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 93.095748][ T1785] put_chars (drivers/char/virtio_console.c:1176) [ 93.095750][ T1785] ? __send_to_port (drivers/char/virtio_console.c:654) [ 93.095752][ T1785] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 93.095755][ T1785] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 93.095759][ T1785] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 93.095761][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.095762][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.095765][ T1785] console_emit_next_record (kernel/printk/printk.c:3183) [ 93.095768][ T1785] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 93.095770][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.095771][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.095772][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.095772][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.095774][ T1785] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 93.095776][ T1785] console_flush_one_record (kernel/printk/printk.c:3268) [ 93.095779][ T1785] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 93.095781][ T1785] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 93.095783][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.095784][ T1785] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 93.095786][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.095787][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 93.095788][ 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) [ 93.095790][ T1785] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 93.095791][ T1785] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 93.095793][ T1785] ? vprintk_emit (kernel/printk/printk.c:2478) [ 93.095795][ T1785] vprintk_emit (kernel/printk/printk.c:2479) [ 93.095796][ T1785] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 93.095797][ T1785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 93.095799][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 93.095802][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.095803][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.095805][ T1785] _printk (kernel/printk/printk.c:2504) [ 93.095808][ T1785] ? snapshot_read.cold (user.c:?) [ 93.095809][ T1785] ? br_multicast_flood (??:?) [ 93.095813][ T1785] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 93.095815][ T1785] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 93.095817][ T1785] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 93.095819][ T1785] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 93.095823][ T1785] br_init_port (net/bridge/br_stp_if.c:39) [ 93.095825][ T1785] new_nbp (net/bridge/br_if.c:449) [ 93.095828][ T1785] br_add_if (net/bridge/br_if.c:592) [ 93.095829][ T1785] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 93.095833][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 93.095836][ T1785] do_set_master (net/core/rtnetlink.c:3071) [ 93.095837][ T1785] ? netif_change_flags (net/core/dev.c:9882) [ 93.095839][ T1785] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 93.095841][ T1785] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 93.095842][ T1785] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 93.095843][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.095844][ T1785] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 93.095848][ T1785] ? kasan_save_stack (mm/kasan/common.c:58) [ 93.095850][ T1785] ? kasan_save_stack (mm/kasan/common.c:57) [ 93.095851][ T1785] ? kasan_save_track (mm/kasan/common.c:78) [ 93.095852][ T1785] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 93.095853][ T1785] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 93.095854][ T1785] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 93.095855][ T1785] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 93.095856][ T1785] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 93.095859][ T1785] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 93.095860][ T1785] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 93.095862][ T1785] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 93.095864][ T1785] ? ____sys_sendmsg (net/socket.c:2713) [ 93.095865][ T1785] ? ___sys_sendmsg (net/socket.c:2767) [ 93.095867][ T1785] ? __sys_sendmsg (net/socket.c:2799) [ 93.095869][ T1785] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 93.095871][ T1785] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 93.095874][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.095875][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.095876][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.095877][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.095878][ T1785] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 93.095880][ 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) [ 93.095882][ T1785] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 93.095883][ T1785] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 93.095884][ T1785] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 93.095885][ T1785] ? nla_get_range_signed (lib/nlattr.c:270) [ 93.095889][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.095890][ T1785] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 93.095892][ T1785] rtnl_newlink (net/core/rtnetlink.c:4215) [ 93.095894][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.095895][ T1785] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 93.095896][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.095897][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.095899][ T1785] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 93.095902][ T1785] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 93.095903][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 93.095904][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.095905][ T1785] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 93.095909][ T1785] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 93.095911][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.095912][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.095914][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.095915][ T1785] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 93.095916][ T1785] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 93.095918][ T1785] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 93.095919][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 93.095920][ T1785] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 93.095923][ T1785] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 93.095924][ T1785] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 93.095926][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 93.095927][ T1785] ? netlink_ack (./include/linux/skbuff.h:2718) [ 93.095929][ T1785] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 93.095932][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.095933][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 93.095935][ T1785] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 93.095937][ T1785] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 93.095939][ T1785] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 93.095940][ T1785] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 93.095943][ T1785] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 93.095944][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 93.095946][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.095947][ T1785] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 93.095950][ T1785] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 93.095952][ T1785] ____sys_sendmsg (net/socket.c:2713) [ 93.095954][ T1785] ? copy_msghdr_from_user (net/socket.c:2650) [ 93.095955][ T1785] ? sock_write_iter (net/socket.c:1269) [ 93.095957][ T1785] ? move_addr_to_kernel (net/socket.c:258) [ 93.095958][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 93.095961][ T1785] ___sys_sendmsg (net/socket.c:2767) [ 93.095962][ T1785] ? copy_msghdr_from_user (net/socket.c:2619) [ 93.095967][ T1785] __sys_sendmsg (net/socket.c:2799) [ 93.095969][ T1785] ? __sys_sendmsg_sock (net/socket.c:2780) [ 93.095972][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.095973][ T1785] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 93.095975][ T1785] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 93.095977][ T1785] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 93.095978][ T1785] RIP: 0033:0x7efe3990654e [ 93.095980][ 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 [ 93.095982][ T1785] RSP: 002b:00007ffde97a0110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 93.095985][ T1785] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007efe3990654e [ 93.095987][ T1785] RDX: 0000000000000000 RSI: 00007ffde97a01c0 RDI: 0000000000000005 [ 93.095988][ T1785] RBP: 00007ffde97a0120 R08: 0000000000000000 R09: 0000000000000000 [ 93.095989][ T1785] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da53 [ 93.095989][ T1785] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde97a0890 | [ 99.953779][ T12] softirqs last disabled at (485468): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 99.953781][ T12] Preemption disabled at: | [ 99.953782][ T12] 0x0 | [ 99.953792][ T12] Tainted: [W]=WARN [ 99.953793][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 99.953795][ T12] Workqueue: netns cleanup_net [ 99.953801][ T12] Call Trace: [ 99.953802][ T12] [ 99.953804][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 99.953810][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 99.953814][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 99.953818][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.953821][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 99.953827][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 99.953831][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 99.953836][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 99.953839][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 99.953841][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 99.953843][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 99.953844][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 99.953847][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 99.953850][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 99.953854][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 99.953856][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 99.953858][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.953861][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 99.953863][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 99.953865][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.953866][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.953867][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.953868][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.953870][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 99.953872][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 99.953874][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 99.953877][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 99.953879][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.953880][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 99.953882][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.953883][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 99.953885][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 99.953886][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 99.953887][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 99.953889][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 99.953890][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 99.953892][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 99.953893][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.953894][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 99.953898][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 99.953900][ T12] _printk (kernel/printk/printk.c:2504) [ 99.953903][ T12] ? snapshot_read.cold (user.c:?) [ 99.953905][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 99.953908][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 99.953911][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 99.953913][ T12] br_device_event (net/bridge/br.c:111) [ 99.953916][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 99.953917][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 99.953919][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 99.953922][ T12] notifier_call_chain (kernel/notifier.c:85) [ 99.953925][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 99.953928][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 99.953930][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.953932][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 99.953934][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 99.953936][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 99.953938][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 99.953939][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 99.953942][ T12] ? kthread (kernel/kthread.c:436) [ 99.953944][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 99.953946][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 99.953948][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 99.953950][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.953951][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 99.953953][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 99.953955][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 99.953956][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.953957][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 99.953959][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 99.953961][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 99.953963][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 99.953965][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 99.953967][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 99.953970][ T12] cleanup_net (net/core/net_namespace.c:706) [ 99.953972][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 99.953974][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.953976][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.953977][ T12] process_one_work (kernel/workqueue.c:3387) [ 99.953980][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 99.953982][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 99.953984][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 99.953986][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 99.953989][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 99.953991][ T12] kthread (kernel/kthread.c:436) [ 99.953992][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 99.953994][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 99.953996][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 99.953997][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 99.953999][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 99.954002][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 99.954004][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 101.884996][ T1977] softirqs last disabled at (0): 0x0 | [ 101.884998][ T1977] Preemption disabled at: | [ 101.884999][ T1977] vprintk_emit (kernel/printk/printk.c:2471) | [ 101.885008][ T1977] Tainted: [W]=WARN [ 101.885009][ T1977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 101.885011][ T1977] Call Trace: [ 101.885012][ T1977] [ 101.885013][ T1977] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 101.885019][ T1977] ? vprintk_emit (kernel/printk/printk.c:2471) [ 101.885020][ T1977] __might_resched.cold (kernel/sched/core.c:9234) [ 101.885024][ T1977] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 101.885027][ T1977] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 101.885031][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.885033][ 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)) [ 101.885036][ T1977] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 101.885039][ T1977] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 101.885043][ 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) [ 101.885045][ T1977] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 101.885048][ T1977] put_chars (drivers/char/virtio_console.c:1176) [ 101.885049][ T1977] ? __send_to_port (drivers/char/virtio_console.c:654) [ 101.885051][ T1977] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 101.885054][ T1977] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 101.885059][ T1977] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 101.885061][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.885062][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.885064][ T1977] console_emit_next_record (kernel/printk/printk.c:3183) [ 101.885067][ T1977] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 101.885069][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.885070][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.885071][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.885072][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.885073][ T1977] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 101.885075][ T1977] console_flush_one_record (kernel/printk/printk.c:3268) [ 101.885077][ T1977] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 101.885080][ T1977] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 101.885082][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.885083][ T1977] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 101.885085][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.885086][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 101.885087][ 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) [ 101.885089][ T1977] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 101.885090][ T1977] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 101.885092][ T1977] ? vprintk_emit (kernel/printk/printk.c:2478) [ 101.885093][ T1977] vprintk_emit (kernel/printk/printk.c:2479) [ 101.885095][ T1977] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 101.885096][ T1977] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 101.885098][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 101.885101][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.885102][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.885104][ T1977] _printk (kernel/printk/printk.c:2504) [ 101.885107][ T1977] ? snapshot_read.cold (user.c:?) [ 101.885109][ T1977] ? br_multicast_flood (??:?) [ 101.885113][ T1977] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 101.885115][ T1977] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 101.885117][ T1977] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 101.885118][ T1977] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 101.885121][ T1977] br_init_port (net/bridge/br_stp_if.c:39) [ 101.885123][ T1977] new_nbp (net/bridge/br_if.c:449) [ 101.885125][ T1977] br_add_if (net/bridge/br_if.c:592) [ 101.885127][ T1977] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 101.885130][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 101.885133][ T1977] do_set_master (net/core/rtnetlink.c:3071) [ 101.885134][ T1977] ? netif_change_flags (net/core/dev.c:9882) [ 101.885136][ T1977] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 101.885138][ T1977] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 101.885139][ T1977] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 101.885140][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.885141][ T1977] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 101.885145][ T1977] ? kasan_save_stack (mm/kasan/common.c:58) [ 101.885147][ T1977] ? kasan_save_stack (mm/kasan/common.c:57) [ 101.885148][ T1977] ? kasan_save_track (mm/kasan/common.c:78) [ 101.885149][ T1977] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 101.885150][ T1977] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 101.885151][ T1977] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 101.885152][ T1977] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 101.885153][ T1977] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 101.885156][ T1977] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 101.885157][ T1977] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 101.885158][ T1977] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 101.885161][ T1977] ? ____sys_sendmsg (net/socket.c:2713) [ 101.885162][ T1977] ? ___sys_sendmsg (net/socket.c:2767) [ 101.885163][ T1977] ? __sys_sendmsg (net/socket.c:2799) [ 101.885165][ T1977] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 101.885169][ T1977] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 101.885171][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.885172][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.885174][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.885175][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.885176][ T1977] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 101.885177][ 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) [ 101.885179][ T1977] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 101.885180][ T1977] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 101.885182][ T1977] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 101.885183][ T1977] ? nla_get_range_signed (lib/nlattr.c:270) [ 101.885186][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.885187][ T1977] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 101.885189][ T1977] rtnl_newlink (net/core/rtnetlink.c:4215) [ 101.885191][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.885192][ T1977] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 101.885193][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.885195][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.885196][ T1977] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 101.885199][ T1977] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 101.885200][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 101.885202][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.885203][ T1977] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 101.885206][ T1977] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 101.885209][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.885210][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.885211][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.885212][ T1977] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 101.885213][ T1977] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 101.885215][ T1977] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 101.885216][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 101.885218][ T1977] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 101.885220][ T1977] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 101.885222][ T1977] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 101.885223][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 101.885224][ T1977] ? netlink_ack (./include/linux/skbuff.h:2718) [ 101.885226][ T1977] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 101.885229][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.885230][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 101.885232][ T1977] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 101.885234][ T1977] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 101.885236][ T1977] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 101.885238][ T1977] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 101.885240][ T1977] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 101.885241][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 101.885243][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 101.885244][ T1977] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 101.885248][ T1977] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 101.885249][ T1977] ____sys_sendmsg (net/socket.c:2713) [ 101.885251][ T1977] ? copy_msghdr_from_user (net/socket.c:2650) [ 101.885252][ T1977] ? sock_write_iter (net/socket.c:1269) [ 101.885254][ T1977] ? move_addr_to_kernel (net/socket.c:258) [ 101.885255][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 101.885258][ T1977] ___sys_sendmsg (net/socket.c:2767) [ 101.885260][ T1977] ? copy_msghdr_from_user (net/socket.c:2619) [ 101.885264][ T1977] __sys_sendmsg (net/socket.c:2799) [ 101.885266][ T1977] ? __sys_sendmsg_sock (net/socket.c:2780) [ 101.885269][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 101.885270][ T1977] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 101.885272][ T1977] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 101.885274][ T1977] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 101.885276][ T1977] RIP: 0033:0x7fe14784054e [ 101.885278][ 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 [ 101.885279][ T1977] RSP: 002b:00007ffdb00f3ca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 101.885283][ T1977] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe14784054e [ 101.885284][ T1977] RDX: 0000000000000000 RSI: 00007ffdb00f3d50 RDI: 0000000000000005 [ 101.885285][ T1977] RBP: 00007ffdb00f3cb0 R08: 0000000000000000 R09: 0000000000000000 [ 101.885286][ T1977] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da5c [ 101.885287][ T1977] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb00f4420 | [ 109.136955][ T12] softirqs last disabled at (485468): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 109.136957][ T12] Preemption disabled at: | [ 109.136958][ T12] 0x0 | [ 109.136968][ T12] Tainted: [W]=WARN [ 109.136969][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 109.136970][ T12] Workqueue: netns cleanup_net [ 109.136976][ T12] Call Trace: [ 109.136978][ T12] [ 109.136979][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 109.136985][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 109.136989][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 109.136993][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.136996][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 109.136999][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 109.137002][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 109.137007][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 109.137009][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 109.137012][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 109.137013][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 109.137014][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 109.137017][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 109.137019][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 109.137024][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 109.137026][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 109.137028][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.137030][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 109.137033][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 109.137035][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.137036][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.137037][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.137038][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.137040][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 109.137042][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 109.137044][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 109.137047][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 109.137049][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.137050][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 109.137052][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.137053][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 109.137054][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 109.137056][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 109.137057][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 109.137059][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 109.137061][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 109.137062][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 109.137064][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.137065][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 109.137068][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 109.137070][ T12] _printk (kernel/printk/printk.c:2504) [ 109.137073][ T12] ? snapshot_read.cold (user.c:?) [ 109.137075][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 109.137078][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 109.137082][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 109.137084][ T12] br_device_event (net/bridge/br.c:111) [ 109.137086][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 109.137088][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 109.137090][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 109.137093][ T12] notifier_call_chain (kernel/notifier.c:85) [ 109.137096][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 109.137098][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 109.137101][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.137102][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 109.137104][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 109.137106][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 109.137108][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 109.137109][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 109.137113][ T12] ? kthread (kernel/kthread.c:436) [ 109.137114][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 109.137117][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 109.137119][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 109.137121][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.137122][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 109.137124][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 109.137125][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 109.137127][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.137128][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 109.137130][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 109.137131][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 109.137134][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 109.137136][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 109.137138][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 109.137141][ T12] cleanup_net (net/core/net_namespace.c:706) [ 109.137143][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 109.137145][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.137146][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.137148][ T12] process_one_work (kernel/workqueue.c:3387) [ 109.137151][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 109.137153][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 109.137155][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 109.137157][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 109.137160][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 109.137162][ T12] kthread (kernel/kthread.c:436) [ 109.137163][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 109.137165][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 109.137167][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 109.137168][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 109.137170][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 109.137173][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 109.137175][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 111.084758][ T2215] softirqs last disabled at (0): 0x0 | [ 111.084760][ T2215] Preemption disabled at: | [ 111.084761][ T2215] vprintk_emit (kernel/printk/printk.c:2471) | [ 111.084770][ T2215] Tainted: [W]=WARN [ 111.084771][ T2215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.084773][ T2215] Call Trace: [ 111.084775][ T2215] [ 111.084776][ T2215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 111.084782][ T2215] ? vprintk_emit (kernel/printk/printk.c:2471) [ 111.084783][ T2215] __might_resched.cold (kernel/sched/core.c:9234) [ 111.084787][ T2215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 111.084790][ T2215] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 111.084793][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.084795][ T2215] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 111.084797][ T2215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.084800][ T2215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 111.084804][ T2215] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 111.084806][ T2215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 111.084809][ T2215] put_chars (drivers/char/virtio_console.c:1176) [ 111.084810][ T2215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 111.084812][ T2215] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 111.084814][ T2215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 111.084819][ T2215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 111.084821][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.084824][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.084828][ T2215] console_emit_next_record (kernel/printk/printk.c:3183) [ 111.084832][ T2215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 111.084835][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.084836][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.084837][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.084838][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.084840][ T2215] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 111.084842][ T2215] console_flush_one_record (kernel/printk/printk.c:3268) [ 111.084844][ T2215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 111.084847][ T2215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 111.084849][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.084850][ T2215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 111.084852][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.084853][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 111.084854][ T2215] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 111.084856][ T2215] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 111.084857][ T2215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 111.084859][ T2215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 111.084861][ T2215] vprintk_emit (kernel/printk/printk.c:2479) [ 111.084863][ T2215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 111.084864][ T2215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.084865][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 111.084868][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.084870][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.084871][ T2215] _printk (kernel/printk/printk.c:2504) [ 111.084874][ T2215] ? snapshot_read.cold (user.c:?) [ 111.084876][ T2215] ? br_multicast_flood (??:?) [ 111.084880][ T2215] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 111.084882][ T2215] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 111.084883][ T2215] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 111.084885][ T2215] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 111.084888][ T2215] br_init_port (net/bridge/br_stp_if.c:39) [ 111.084889][ T2215] new_nbp (net/bridge/br_if.c:449) [ 111.084892][ T2215] br_add_if (net/bridge/br_if.c:592) [ 111.084894][ T2215] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 111.084897][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 111.084900][ T2215] do_set_master (net/core/rtnetlink.c:3071) [ 111.084901][ T2215] ? netif_change_flags (net/core/dev.c:9882) [ 111.084903][ T2215] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 111.084904][ T2215] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 111.084906][ T2215] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 111.084907][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.084908][ T2215] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 111.084912][ T2215] ? kasan_save_stack (mm/kasan/common.c:58) [ 111.084913][ T2215] ? kasan_save_stack (mm/kasan/common.c:57) [ 111.084914][ T2215] ? kasan_save_track (mm/kasan/common.c:78) [ 111.084915][ T2215] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 111.084916][ T2215] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 111.084917][ T2215] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 111.084918][ T2215] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 111.084919][ T2215] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 111.084922][ T2215] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 111.084924][ T2215] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 111.084925][ T2215] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 111.084928][ T2215] ? ____sys_sendmsg (net/socket.c:2713) [ 111.084929][ T2215] ? ___sys_sendmsg (net/socket.c:2767) [ 111.084930][ T2215] ? __sys_sendmsg (net/socket.c:2799) [ 111.084932][ T2215] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 111.084935][ T2215] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 111.084938][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.084939][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.084940][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.084941][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.084942][ T2215] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 111.084944][ T2215] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 111.084945][ T2215] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 111.084947][ T2215] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 111.084948][ T2215] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 111.084949][ T2215] ? nla_get_range_signed (lib/nlattr.c:270) [ 111.084952][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.084953][ T2215] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 111.084955][ T2215] rtnl_newlink (net/core/rtnetlink.c:4215) [ 111.084957][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.084958][ T2215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 111.084959][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.084961][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.084962][ T2215] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 111.084965][ T2215] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 111.084966][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 111.084967][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.084969][ T2215] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 111.084972][ T2215] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 111.084974][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.084975][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.084977][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.084978][ T2215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 111.084979][ T2215] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 111.084981][ T2215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 111.084982][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 111.084984][ T2215] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 111.084986][ T2215] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 111.084987][ T2215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 111.084989][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 111.084990][ T2215] ? netlink_ack (./include/linux/skbuff.h:2718) [ 111.084992][ T2215] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 111.084995][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.084996][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 111.084998][ T2215] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 111.085000][ T2215] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 111.085002][ T2215] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 111.085004][ T2215] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 111.085006][ T2215] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 111.085007][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 111.085009][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.085010][ T2215] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 111.085014][ T2215] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 111.085015][ T2215] ____sys_sendmsg (net/socket.c:2713) [ 111.085017][ T2215] ? copy_msghdr_from_user (net/socket.c:2650) [ 111.085019][ T2215] ? sock_write_iter (net/socket.c:1269) [ 111.085020][ T2215] ? move_addr_to_kernel (net/socket.c:258) [ 111.085021][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 111.085024][ T2215] ___sys_sendmsg (net/socket.c:2767) [ 111.085026][ T2215] ? copy_msghdr_from_user (net/socket.c:2619) [ 111.085030][ T2215] __sys_sendmsg (net/socket.c:2799) [ 111.085032][ T2215] ? __sys_sendmsg_sock (net/socket.c:2780) [ 111.085035][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.085036][ T2215] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 111.085038][ T2215] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 111.085040][ T2215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 111.085041][ T2215] RIP: 0033:0x7f9b0d77954e [ 111.085043][ T2215] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 111.085045][ T2215] RSP: 002b:00007fffa97f8a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 111.085049][ T2215] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9b0d77954e [ 111.085050][ T2215] RDX: 0000000000000000 RSI: 00007fffa97f8af0 RDI: 0000000000000005 [ 111.085051][ T2215] RBP: 00007fffa97f8a50 R08: 0000000000000000 R09: 0000000000000000 [ 111.085052][ T2215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da65 [ 111.085053][ T2215] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa97f91c0 | [ 117.903463][ T12] softirqs last disabled at (485468): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 117.903465][ T12] Preemption disabled at: | [ 117.903466][ T12] 0x0 | [ 117.903476][ T12] Tainted: [W]=WARN [ 117.903477][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 117.903479][ T12] Workqueue: netns cleanup_net [ 117.903485][ T12] Call Trace: [ 117.903486][ T12] [ 117.903488][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 117.903494][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 117.903497][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 117.903501][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 117.903504][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 117.903506][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 117.903509][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 117.903513][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 117.903514][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 117.903517][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 117.903519][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 117.903520][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 117.903522][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 117.903525][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 117.903529][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 117.903531][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 117.903533][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 117.903535][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 117.903538][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 117.903540][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 117.903541][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 117.903542][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 117.903543][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 117.903545][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 117.903547][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 117.903549][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 117.903552][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 117.903553][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 117.903555][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 117.903557][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 117.903557][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 117.903559][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 117.903561][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 117.903562][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 117.903564][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 117.903565][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 117.903567][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 117.903568][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 117.903569][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 117.903573][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 117.903574][ T12] _printk (kernel/printk/printk.c:2504) [ 117.903577][ T12] ? snapshot_read.cold (user.c:?) [ 117.903579][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 117.903582][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 117.903586][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 117.903588][ T12] br_device_event (net/bridge/br.c:111) [ 117.903590][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 117.903592][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 117.903594][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 117.903597][ T12] notifier_call_chain (kernel/notifier.c:85) [ 117.903600][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 117.903603][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 117.903605][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 117.903607][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 117.903610][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 117.903613][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 117.903615][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 117.903617][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 117.903620][ T12] ? kthread (kernel/kthread.c:436) [ 117.903621][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 117.903624][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 117.903626][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 117.903628][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 117.903629][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 117.903631][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 117.903633][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 117.903634][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 117.903642][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 117.903644][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 117.903646][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 117.903648][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 117.903651][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 117.903652][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 117.903655][ T12] cleanup_net (net/core/net_namespace.c:706) [ 117.903657][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 117.903659][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 117.903661][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 117.903662][ T12] process_one_work (kernel/workqueue.c:3387) [ 117.903665][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 117.903667][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 117.903669][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 117.903671][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 117.903674][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 117.903676][ T12] kthread (kernel/kthread.c:436) [ 117.903678][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 117.903679][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 117.903681][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 117.903683][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 117.903685][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 117.903688][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 117.903689][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 119.884481][ T2413] softirqs last disabled at (0): 0x0 | [ 119.884483][ T2413] Preemption disabled at: | [ 119.884483][ T2413] vprintk_emit (kernel/printk/printk.c:2471) | [ 119.884492][ T2413] Tainted: [W]=WARN [ 119.884493][ T2413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 119.884495][ T2413] Call Trace: [ 119.884496][ T2413] [ 119.884498][ T2413] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 119.884503][ T2413] ? vprintk_emit (kernel/printk/printk.c:2471) [ 119.884504][ T2413] __might_resched.cold (kernel/sched/core.c:9234) [ 119.884507][ T2413] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 119.884511][ T2413] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 119.884514][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.884516][ 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)) [ 119.884519][ T2413] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 119.884521][ T2413] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 119.884525][ 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) [ 119.884527][ T2413] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 119.884529][ T2413] put_chars (drivers/char/virtio_console.c:1176) [ 119.884531][ T2413] ? __send_to_port (drivers/char/virtio_console.c:654) [ 119.884533][ T2413] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 119.884535][ T2413] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 119.884540][ T2413] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 119.884542][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.884543][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.884545][ T2413] console_emit_next_record (kernel/printk/printk.c:3183) [ 119.884548][ T2413] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 119.884550][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.884550][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.884551][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.884553][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.884554][ T2413] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 119.884556][ T2413] console_flush_one_record (kernel/printk/printk.c:3268) [ 119.884558][ T2413] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 119.884561][ T2413] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 119.884563][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.884564][ T2413] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 119.884566][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.884567][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 119.884568][ 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) [ 119.884570][ T2413] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 119.884571][ T2413] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 119.884573][ T2413] ? vprintk_emit (kernel/printk/printk.c:2478) [ 119.884574][ T2413] vprintk_emit (kernel/printk/printk.c:2479) [ 119.884576][ T2413] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 119.884577][ T2413] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 119.884579][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 119.884582][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.884583][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.884585][ T2413] _printk (kernel/printk/printk.c:2504) [ 119.884587][ T2413] ? snapshot_read.cold (user.c:?) [ 119.884589][ T2413] ? br_multicast_flood (??:?) [ 119.884592][ T2413] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 119.884595][ T2413] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 119.884596][ T2413] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 119.884598][ T2413] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 119.884601][ T2413] br_init_port (net/bridge/br_stp_if.c:39) [ 119.884602][ T2413] new_nbp (net/bridge/br_if.c:449) [ 119.884604][ T2413] br_add_if (net/bridge/br_if.c:592) [ 119.884606][ T2413] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 119.884609][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 119.884612][ T2413] do_set_master (net/core/rtnetlink.c:3071) [ 119.884614][ T2413] ? netif_change_flags (net/core/dev.c:9882) [ 119.884616][ T2413] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 119.884617][ T2413] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 119.884619][ T2413] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 119.884620][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.884621][ T2413] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 119.884624][ T2413] ? kasan_save_stack (mm/kasan/common.c:58) [ 119.884626][ T2413] ? kasan_save_stack (mm/kasan/common.c:57) [ 119.884627][ T2413] ? kasan_save_track (mm/kasan/common.c:78) [ 119.884628][ T2413] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 119.884629][ T2413] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 119.884630][ T2413] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 119.884631][ T2413] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 119.884632][ T2413] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 119.884640][ T2413] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 119.884642][ T2413] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 119.884643][ T2413] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 119.884646][ T2413] ? ____sys_sendmsg (net/socket.c:2713) [ 119.884647][ T2413] ? ___sys_sendmsg (net/socket.c:2767) [ 119.884649][ T2413] ? __sys_sendmsg (net/socket.c:2799) [ 119.884650][ T2413] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 119.884654][ T2413] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 119.884656][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.884657][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.884659][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.884660][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.884661][ T2413] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 119.884662][ 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) [ 119.884664][ T2413] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 119.884665][ T2413] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 119.884667][ T2413] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 119.884668][ T2413] ? nla_get_range_signed (lib/nlattr.c:270) [ 119.884671][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.884672][ T2413] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 119.884674][ T2413] rtnl_newlink (net/core/rtnetlink.c:4215) [ 119.884676][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.884677][ T2413] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 119.884678][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.884680][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.884681][ T2413] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 119.884684][ T2413] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 119.884685][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 119.884686][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.884687][ T2413] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 119.884691][ T2413] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 119.884693][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.884694][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.884696][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.884697][ T2413] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 119.884698][ T2413] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 119.884699][ T2413] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 119.884701][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 119.884702][ T2413] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 119.884704][ T2413] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 119.884706][ T2413] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 119.884707][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 119.884709][ T2413] ? netlink_ack (./include/linux/skbuff.h:2718) [ 119.884710][ T2413] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 119.884714][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.884715][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 119.884717][ T2413] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 119.884719][ T2413] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 119.884720][ T2413] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 119.884722][ T2413] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 119.884724][ T2413] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 119.884726][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 119.884727][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.884729][ T2413] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 119.884732][ T2413] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 119.884733][ T2413] ____sys_sendmsg (net/socket.c:2713) [ 119.884735][ T2413] ? copy_msghdr_from_user (net/socket.c:2650) [ 119.884737][ T2413] ? sock_write_iter (net/socket.c:1269) [ 119.884738][ T2413] ? move_addr_to_kernel (net/socket.c:258) [ 119.884740][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 119.884742][ T2413] ___sys_sendmsg (net/socket.c:2767) [ 119.884744][ T2413] ? copy_msghdr_from_user (net/socket.c:2619) [ 119.884749][ T2413] __sys_sendmsg (net/socket.c:2799) [ 119.884750][ T2413] ? __sys_sendmsg_sock (net/socket.c:2780) [ 119.884753][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.884754][ T2413] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 119.884756][ T2413] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 119.884758][ T2413] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 119.884760][ T2413] RIP: 0033:0x7f6f5391d54e [ 119.884762][ 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 [ 119.884763][ T2413] RSP: 002b:00007ffd8a2b1e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 119.884767][ T2413] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6f5391d54e [ 119.884768][ T2413] RDX: 0000000000000000 RSI: 00007ffd8a2b1f40 RDI: 0000000000000005 [ 119.884769][ T2413] RBP: 00007ffd8a2b1ea0 R08: 0000000000000000 R09: 0000000000000000 [ 119.884769][ T2413] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da6e [ 119.884770][ T2413] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8a2b2610 | [ 126.782751][ T12] softirqs last disabled at (485468): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 126.782753][ T12] Preemption disabled at: | [ 126.782754][ T12] 0x0 | [ 126.782763][ T12] Tainted: [W]=WARN [ 126.782764][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 126.782766][ T12] Workqueue: netns cleanup_net [ 126.782772][ T12] Call Trace: [ 126.782774][ T12] [ 126.782775][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 126.782781][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 126.782785][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 126.782789][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.782792][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 126.782795][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 126.782798][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 126.782802][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 126.782804][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 126.782806][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 126.782808][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 126.782809][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 126.782812][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 126.782815][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 126.782819][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 126.782821][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 126.782825][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 126.782828][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 126.782830][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 126.782832][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.782833][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.782834][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.782835][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 126.782837][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 126.782839][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 126.782841][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 126.782844][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 126.782846][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 126.782847][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 126.782849][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.782850][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 126.782851][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 126.782853][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 126.782855][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 126.782857][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 126.782858][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 126.782860][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 126.782861][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.782862][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 126.782865][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 126.782867][ T12] _printk (kernel/printk/printk.c:2504) [ 126.782870][ T12] ? snapshot_read.cold (user.c:?) [ 126.782873][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 126.782876][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 126.782880][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 126.782881][ T12] br_device_event (net/bridge/br.c:111) [ 126.782884][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 126.782885][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 126.782887][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 126.782890][ T12] notifier_call_chain (kernel/notifier.c:85) [ 126.782893][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 126.782896][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 126.782898][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 126.782900][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 126.782902][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 126.782904][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 126.782906][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 126.782907][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 126.782910][ T12] ? kthread (kernel/kthread.c:436) [ 126.782912][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 126.782914][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 126.782917][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 126.782918][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.782919][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 126.782921][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 126.782923][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 126.782924][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 126.782926][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 126.782927][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 126.782929][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 126.782932][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 126.782934][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 126.782935][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 126.782938][ T12] cleanup_net (net/core/net_namespace.c:706) [ 126.782940][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 126.782942][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 126.782944][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 126.782945][ T12] process_one_work (kernel/workqueue.c:3387) [ 126.782948][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 126.782950][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 126.782952][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 126.782955][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 126.782958][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 126.782959][ T12] kthread (kernel/kthread.c:436) [ 126.782961][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 126.782962][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 126.782964][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 126.782966][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 126.782968][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 126.782971][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 126.782973][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 128.794463][ T2622] softirqs last disabled at (0): 0x0 | [ 128.794465][ T2622] Preemption disabled at: | [ 128.794466][ T2622] vprintk_emit (kernel/printk/printk.c:2471) | [ 128.794476][ T2622] Tainted: [W]=WARN [ 128.794477][ T2622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 128.794479][ T2622] Call Trace: [ 128.794481][ T2622] [ 128.794482][ T2622] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 128.794487][ T2622] ? vprintk_emit (kernel/printk/printk.c:2471) [ 128.794489][ T2622] __might_resched.cold (kernel/sched/core.c:9234) [ 128.794493][ T2622] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 128.794496][ T2622] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 128.794500][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.794502][ T2622] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 128.794505][ T2622] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 128.794507][ T2622] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 128.794512][ T2622] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 128.794514][ T2622] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 128.794516][ T2622] put_chars (drivers/char/virtio_console.c:1176) [ 128.794518][ T2622] ? __send_to_port (drivers/char/virtio_console.c:654) [ 128.794519][ T2622] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 128.794522][ T2622] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 128.794527][ T2622] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 128.794529][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.794530][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.794532][ T2622] console_emit_next_record (kernel/printk/printk.c:3183) [ 128.794535][ T2622] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 128.794537][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.794538][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.794539][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.794540][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.794542][ T2622] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 128.794543][ T2622] console_flush_one_record (kernel/printk/printk.c:3268) [ 128.794546][ T2622] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 128.794548][ T2622] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 128.794550][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.794552][ T2622] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 128.794554][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.794555][ T2622] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 128.794556][ T2622] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 128.794558][ T2622] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 128.794559][ T2622] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 128.794561][ T2622] ? vprintk_emit (kernel/printk/printk.c:2478) [ 128.794562][ T2622] vprintk_emit (kernel/printk/printk.c:2479) [ 128.794564][ T2622] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 128.794565][ T2622] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 128.794567][ T2622] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 128.794570][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.794571][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.794573][ T2622] _printk (kernel/printk/printk.c:2504) [ 128.794576][ T2622] ? snapshot_read.cold (user.c:?) [ 128.794578][ T2622] ? br_multicast_flood (??:?) [ 128.794581][ T2622] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 128.794584][ T2622] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 128.794585][ T2622] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 128.794587][ T2622] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 128.794590][ T2622] br_init_port (net/bridge/br_stp_if.c:39) [ 128.794592][ T2622] new_nbp (net/bridge/br_if.c:449) [ 128.794594][ T2622] br_add_if (net/bridge/br_if.c:592) [ 128.794596][ T2622] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 128.794599][ T2622] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 128.794602][ T2622] do_set_master (net/core/rtnetlink.c:3071) [ 128.794604][ T2622] ? netif_change_flags (net/core/dev.c:9882) [ 128.794606][ T2622] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 128.794607][ T2622] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 128.794609][ T2622] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 128.794610][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.794611][ T2622] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 128.794614][ T2622] ? kasan_save_stack (mm/kasan/common.c:58) [ 128.794616][ T2622] ? kasan_save_stack (mm/kasan/common.c:57) [ 128.794617][ T2622] ? kasan_save_track (mm/kasan/common.c:78) [ 128.794618][ T2622] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 128.794619][ T2622] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 128.794621][ T2622] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 128.794622][ T2622] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 128.794623][ T2622] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 128.794625][ T2622] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 128.794627][ T2622] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 128.794628][ T2622] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 128.794631][ T2622] ? ____sys_sendmsg (net/socket.c:2713) [ 128.794632][ T2622] ? ___sys_sendmsg (net/socket.c:2767) [ 128.794634][ T2622] ? __sys_sendmsg (net/socket.c:2799) [ 128.794641][ T2622] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 128.794645][ T2622] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 128.794647][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.794648][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.794650][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.794651][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.794652][ T2622] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 128.794654][ T2622] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 128.794656][ T2622] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 128.794657][ T2622] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 128.794658][ T2622] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 128.794659][ T2622] ? nla_get_range_signed (lib/nlattr.c:270) [ 128.794663][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.794664][ T2622] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 128.794666][ T2622] rtnl_newlink (net/core/rtnetlink.c:4215) [ 128.794668][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.794669][ T2622] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 128.794670][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.794672][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.794673][ T2622] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 128.794675][ T2622] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 128.794677][ T2622] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 128.794678][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.794679][ T2622] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 128.794682][ T2622] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 128.794685][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.794686][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.794687][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.794688][ T2622] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 128.794689][ T2622] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 128.794691][ T2622] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 128.794692][ T2622] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 128.794694][ T2622] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 128.794696][ T2622] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 128.794698][ T2622] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 128.794699][ T2622] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 128.794701][ T2622] ? netlink_ack (./include/linux/skbuff.h:2718) [ 128.794702][ T2622] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 128.794705][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.794706][ T2622] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 128.794708][ T2622] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 128.794710][ T2622] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 128.794712][ T2622] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 128.794714][ T2622] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 128.794716][ T2622] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 128.794718][ T2622] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 128.794719][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.794721][ T2622] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 128.794724][ T2622] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 128.794726][ T2622] ____sys_sendmsg (net/socket.c:2713) [ 128.794727][ T2622] ? copy_msghdr_from_user (net/socket.c:2650) [ 128.794729][ T2622] ? sock_write_iter (net/socket.c:1269) [ 128.794731][ T2622] ? move_addr_to_kernel (net/socket.c:258) [ 128.794732][ T2622] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 128.794735][ T2622] ___sys_sendmsg (net/socket.c:2767) [ 128.794736][ T2622] ? copy_msghdr_from_user (net/socket.c:2619) [ 128.794743][ T2622] __sys_sendmsg (net/socket.c:2799) [ 128.794746][ T2622] ? __sys_sendmsg_sock (net/socket.c:2780) [ 128.794750][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.794752][ T2622] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 128.794755][ T2622] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 128.794757][ T2622] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 128.794758][ T2622] RIP: 0033:0x7f7b3b51354e [ 128.794760][ T2622] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 128.794762][ T2622] RSP: 002b:00007ffe71019c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 128.794766][ T2622] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7b3b51354e [ 128.794767][ T2622] RDX: 0000000000000000 RSI: 00007ffe71019d20 RDI: 0000000000000005 [ 128.794768][ T2622] RBP: 00007ffe71019c80 R08: 0000000000000000 R09: 0000000000000000 [ 128.794769][ T2622] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da77 [ 128.794770][ T2622] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7101a3f0 | [ 136.093456][ T12] softirqs last disabled at (485468): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 136.093458][ T12] Preemption disabled at: | [ 136.093459][ T12] 0x0 | [ 136.093471][ T12] Tainted: [W]=WARN [ 136.093472][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 136.093474][ T12] Workqueue: netns cleanup_net [ 136.093480][ T12] Call Trace: [ 136.093481][ T12] [ 136.093483][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 136.093489][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 136.093493][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 136.093497][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 136.093500][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 136.093503][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 136.093506][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 136.093510][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 136.093512][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 136.093514][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 136.093516][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 136.093517][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 136.093520][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 136.093522][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 136.093527][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 136.093528][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 136.093530][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 136.093533][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 136.093536][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 136.093538][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 136.093539][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 136.093540][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 136.093541][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 136.093542][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 136.093544][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 136.093547][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 136.093549][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 136.093551][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 136.093553][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 136.093554][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 136.093555][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 136.093557][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 136.093558][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 136.093560][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 136.093561][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 136.093563][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 136.093565][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 136.093566][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 136.093567][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 136.093570][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 136.093572][ T12] _printk (kernel/printk/printk.c:2504) [ 136.093575][ T12] ? snapshot_read.cold (user.c:?) [ 136.093577][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 136.093580][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 136.093584][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 136.093586][ T12] br_device_event (net/bridge/br.c:111) [ 136.093588][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 136.093590][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 136.093592][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 136.093595][ T12] notifier_call_chain (kernel/notifier.c:85) [ 136.093598][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 136.093601][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 136.093603][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 136.093605][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 136.093607][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 136.093609][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 136.093611][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 136.093612][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 136.093615][ T12] ? kthread (kernel/kthread.c:436) [ 136.093617][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 136.093620][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 136.093622][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 136.093623][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 136.093625][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 136.093627][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 136.093628][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 136.093629][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 136.093631][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 136.093632][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 136.093640][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 136.093643][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 136.093645][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 136.093647][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 136.093650][ T12] cleanup_net (net/core/net_namespace.c:706) [ 136.093652][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 136.093654][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 136.093656][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 136.093657][ T12] process_one_work (kernel/workqueue.c:3387) [ 136.093660][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 136.093662][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 136.093664][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 136.093667][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 136.093670][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 136.093671][ T12] kthread (kernel/kthread.c:436) [ 136.093673][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 136.093674][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 136.093676][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 136.093678][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 136.093680][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 136.093683][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 136.093685][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 138.158666][ T2843] softirqs last disabled at (0): 0x0 | [ 138.158668][ T2843] Preemption disabled at: | [ 138.158668][ T2843] vprintk_emit (kernel/printk/printk.c:2471) | [ 138.158679][ T2843] Tainted: [W]=WARN [ 138.158680][ T2843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 138.158681][ T2843] Call Trace: [ 138.158683][ T2843] [ 138.158684][ T2843] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 138.158690][ T2843] ? vprintk_emit (kernel/printk/printk.c:2471) [ 138.158691][ T2843] __might_resched.cold (kernel/sched/core.c:9234) [ 138.158695][ T2843] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 138.158698][ T2843] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 138.158702][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.158705][ T2843] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 138.158707][ T2843] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 138.158710][ T2843] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 138.158715][ T2843] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 138.158716][ T2843] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 138.158719][ T2843] put_chars (drivers/char/virtio_console.c:1176) [ 138.158720][ T2843] ? __send_to_port (drivers/char/virtio_console.c:654) [ 138.158722][ T2843] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 138.158725][ T2843] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 138.158729][ T2843] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 138.158731][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.158732][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.158735][ T2843] console_emit_next_record (kernel/printk/printk.c:3183) [ 138.158737][ T2843] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 138.158739][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.158741][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.158742][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.158744][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.158747][ T2843] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 138.158749][ T2843] console_flush_one_record (kernel/printk/printk.c:3268) [ 138.158753][ T2843] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 138.158756][ T2843] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 138.158758][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.158759][ T2843] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 138.158761][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.158762][ T2843] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 138.158764][ T2843] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 138.158765][ T2843] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 138.158766][ T2843] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 138.158768][ T2843] ? vprintk_emit (kernel/printk/printk.c:2478) [ 138.158770][ T2843] vprintk_emit (kernel/printk/printk.c:2479) [ 138.158771][ T2843] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 138.158772][ T2843] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 138.158774][ T2843] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 138.158777][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.158778][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.158780][ T2843] _printk (kernel/printk/printk.c:2504) [ 138.158783][ T2843] ? snapshot_read.cold (user.c:?) [ 138.158785][ T2843] ? br_multicast_flood (??:?) [ 138.158788][ T2843] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 138.158791][ T2843] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 138.158792][ T2843] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 138.158794][ T2843] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 138.158797][ T2843] br_init_port (net/bridge/br_stp_if.c:39) [ 138.158799][ T2843] new_nbp (net/bridge/br_if.c:449) [ 138.158801][ T2843] br_add_if (net/bridge/br_if.c:592) [ 138.158802][ T2843] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 138.158806][ T2843] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 138.158809][ T2843] do_set_master (net/core/rtnetlink.c:3071) [ 138.158810][ T2843] ? netif_change_flags (net/core/dev.c:9882) [ 138.158812][ T2843] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 138.158814][ T2843] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 138.158815][ T2843] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 138.158816][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.158817][ T2843] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 138.158824][ T2843] ? kasan_save_stack (mm/kasan/common.c:58) [ 138.158825][ T2843] ? kasan_save_stack (mm/kasan/common.c:57) [ 138.158826][ T2843] ? kasan_save_track (mm/kasan/common.c:78) [ 138.158828][ T2843] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 138.158829][ T2843] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 138.158830][ T2843] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 138.158831][ T2843] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 138.158832][ T2843] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 138.158835][ T2843] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 138.158836][ T2843] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 138.158838][ T2843] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 138.158840][ T2843] ? ____sys_sendmsg (net/socket.c:2713) [ 138.158841][ T2843] ? ___sys_sendmsg (net/socket.c:2767) [ 138.158843][ T2843] ? __sys_sendmsg (net/socket.c:2799) [ 138.158844][ T2843] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 138.158848][ T2843] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 138.158850][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.158851][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.158853][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.158854][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.158855][ T2843] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 138.158856][ T2843] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 138.158858][ T2843] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 138.158859][ T2843] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 138.158861][ T2843] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 138.158862][ T2843] ? nla_get_range_signed (lib/nlattr.c:270) [ 138.158865][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.158866][ T2843] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 138.158868][ T2843] rtnl_newlink (net/core/rtnetlink.c:4215) [ 138.158870][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.158871][ T2843] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 138.158872][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.158874][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.158875][ T2843] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 138.158878][ T2843] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 138.158879][ T2843] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 138.158881][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.158882][ T2843] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 138.158885][ T2843] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 138.158887][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.158888][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.158890][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.158891][ T2843] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 138.158892][ T2843] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 138.158893][ T2843] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 138.158895][ T2843] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 138.158896][ T2843] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 138.158898][ T2843] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 138.158900][ T2843] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 138.158901][ T2843] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 138.158903][ T2843] ? netlink_ack (./include/linux/skbuff.h:2718) [ 138.158904][ T2843] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 138.158907][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.158908][ T2843] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 138.158910][ T2843] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 138.158912][ T2843] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 138.158914][ T2843] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 138.158916][ T2843] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 138.158918][ T2843] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 138.158919][ T2843] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 138.158921][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.158922][ T2843] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 138.158925][ T2843] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 138.158927][ T2843] ____sys_sendmsg (net/socket.c:2713) [ 138.158929][ T2843] ? copy_msghdr_from_user (net/socket.c:2650) [ 138.158930][ T2843] ? sock_write_iter (net/socket.c:1269) [ 138.158932][ T2843] ? move_addr_to_kernel (net/socket.c:258) [ 138.158933][ T2843] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 138.158936][ T2843] ___sys_sendmsg (net/socket.c:2767) [ 138.158937][ T2843] ? copy_msghdr_from_user (net/socket.c:2619) [ 138.158942][ T2843] __sys_sendmsg (net/socket.c:2799) [ 138.158944][ T2843] ? __sys_sendmsg_sock (net/socket.c:2780) [ 138.158947][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.158948][ T2843] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 138.158950][ T2843] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 138.158952][ T2843] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 138.158953][ T2843] RIP: 0033:0x7efd2667854e [ 138.158955][ T2843] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 138.158957][ T2843] RSP: 002b:00007ffc59a66ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 138.158960][ T2843] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007efd2667854e [ 138.158961][ T2843] RDX: 0000000000000000 RSI: 00007ffc59a66b70 RDI: 0000000000000005 [ 138.158962][ T2843] RBP: 00007ffc59a66ad0 R08: 0000000000000000 R09: 0000000000000000 [ 138.158963][ T2843] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da80 [ 138.158964][ T2843] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc59a67240 | [ 139.173203][ T46] softirqs last disabled at (242079): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 139.173206][ T46] Preemption disabled at: | [ 139.173206][ T46] 0x0 | [ 139.173217][ T46] Tainted: [W]=WARN [ 139.173218][ T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 139.173220][ T46] Workqueue: events_unbound linkwatch_event [ 139.173227][ T46] Call Trace: [ 139.173229][ T46] [ 139.173231][ T46] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 139.173237][ T46] __might_resched.cold (kernel/sched/core.c:9234) [ 139.173241][ T46] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 139.173245][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.173247][ T46] __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)) [ 139.173250][ T46] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 139.173253][ T46] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 139.173258][ T46] ? 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) [ 139.173259][ T46] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 139.173262][ T46] put_chars (drivers/char/virtio_console.c:1176) [ 139.173264][ T46] ? __send_to_port (drivers/char/virtio_console.c:654) [ 139.173265][ T46] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 139.173268][ T46] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 139.173273][ T46] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 139.173275][ T46] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 139.173276][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.173277][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.173280][ T46] console_emit_next_record (kernel/printk/printk.c:3183) [ 139.173283][ T46] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 139.173285][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.173286][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.173287][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.173288][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.173290][ T46] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 139.173291][ T46] console_flush_one_record (kernel/printk/printk.c:3268) [ 139.173293][ T46] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 139.173296][ T46] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 139.173298][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.173299][ T46] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 139.173301][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.173302][ T46] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 139.173303][ T46] ? 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) [ 139.173305][ T46] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 139.173306][ T46] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 139.173308][ T46] ? vprintk_emit (kernel/printk/printk.c:2478) [ 139.173310][ T46] vprintk_emit (kernel/printk/printk.c:2479) [ 139.173311][ T46] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 139.173313][ T46] ? 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) [ 139.173315][ T46] _printk (kernel/printk/printk.c:2504) [ 139.173318][ T46] ? snapshot_read.cold (user.c:?) [ 139.173319][ T46] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 139.173322][ T46] ? port_cost (net/bridge/br_if.c:40) [ 139.173325][ T46] ? br_multicast_flood (??:?) [ 139.173328][ T46] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 139.173331][ T46] br_init_port (net/bridge/br_stp_if.c:39) [ 139.173332][ T46] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 139.173333][ T46] br_port_carrier_check (net/bridge/br_if.c:90) [ 139.173336][ T46] br_device_event (net/bridge/br.c:101) [ 139.173338][ T46] ? packet_sendmsg_spkt (af_packet.c:?) [ 139.173340][ T46] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 139.173343][ T46] ? addrconf_notify (net/ipv6/addrconf.c:3796) [ 139.173346][ T46] notifier_call_chain (kernel/notifier.c:85) [ 139.173349][ T46] netif_state_change (net/core/dev.c:1625) [ 139.173352][ T46] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 139.173355][ T46] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 139.173356][ T46] __linkwatch_run_queue (net/core/link_watch.c:240) [ 139.173358][ T46] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 139.173359][ T46] ? debug_object_active_state (lib/debugobjects.c:1122) [ 139.173363][ T46] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 139.173364][ T46] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 139.173366][ T46] process_one_work (kernel/workqueue.c:3387) [ 139.173370][ T46] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 139.173372][ T46] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 139.173374][ T46] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 139.173376][ T46] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 139.173379][ T46] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 139.173381][ T46] kthread (kernel/kthread.c:436) [ 139.173383][ T46] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 139.173386][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 139.173387][ T46] ret_from_fork (arch/x86/kernel/process.c:158) [ 139.173391][ T46] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 139.173393][ T46] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 139.173396][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 139.173397][ T46] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 145.695540][ T12] softirqs last disabled at (485468): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 145.695543][ T12] Preemption disabled at: | [ 145.695543][ T12] 0x0 | [ 145.695554][ T12] Tainted: [W]=WARN [ 145.695555][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 145.695557][ T12] Workqueue: netns cleanup_net [ 145.695564][ T12] Call Trace: [ 145.695566][ T12] [ 145.695568][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 145.695574][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 145.695578][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 145.695582][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.695585][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 145.695588][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 145.695591][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 145.695596][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 145.695597][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 145.695600][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 145.695602][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 145.695603][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 145.695606][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 145.695608][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 145.695613][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 145.695615][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 145.695616][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 145.695619][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 145.695622][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 145.695624][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.695625][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 145.695627][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 145.695629][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 145.695631][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 145.695643][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 145.695644][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 145.695646][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 145.695648][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.695649][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 145.695650][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 145.695652][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 145.695653][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 145.695655][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 145.695657][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 145.695658][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 145.695660][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.695661][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 145.695664][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 145.695666][ T12] _printk (kernel/printk/printk.c:2504) [ 145.695669][ T12] ? snapshot_read.cold (user.c:?) [ 145.695671][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 145.695674][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 145.695678][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 145.695679][ T12] br_device_event (net/bridge/br.c:111) [ 145.695682][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 145.695683][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 145.695685][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 145.695688][ T12] notifier_call_chain (kernel/notifier.c:85) [ 145.695691][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 145.695694][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 145.695696][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 145.695698][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 145.695699][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 145.695702][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 145.695703][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 145.695705][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 145.695708][ T12] ? kthread (kernel/kthread.c:436) [ 145.695710][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 145.695712][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 145.695714][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 145.695716][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.695717][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 145.695719][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 145.695721][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 145.695722][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 145.695724][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 145.695725][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 145.695727][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 145.695730][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 145.695732][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 145.695734][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 145.695736][ T12] cleanup_net (net/core/net_namespace.c:706) [ 145.695738][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 145.695740][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 145.695742][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 145.695743][ T12] process_one_work (kernel/workqueue.c:3387) [ 145.695746][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 145.695748][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 145.695750][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 145.695753][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 145.695756][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 145.695758][ T12] kthread (kernel/kthread.c:436) [ 145.695759][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 145.695761][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 145.695763][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 145.695764][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 145.695766][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 145.695769][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock __fib6_clean_all:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print addrconf_permanent_addr:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars