====================================== | [ 10.653128][ T243] softirqs last disabled at (32951): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.653130][ T243] Preemption disabled at: | [ 10.653131][ T243] 0x0 | [ 10.653142][ T243] Tainted: [W]=WARN [ 10.653143][ T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.653144][ T243] Call Trace: [ 10.653146][ T243] [ 10.653147][ T243] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.653154][ T243] __might_resched.cold (kernel/sched/core.c:9234) [ 10.653158][ T243] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.653162][ T243] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.653167][ T243] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.653169][ T243] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.653176][ T243] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.653178][ T243] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.653182][ T243] put_chars (drivers/char/virtio_console.c:1176) [ 10.653184][ T243] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.653185][ T243] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.653189][ T243] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.653194][ T243] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.653202][ T243] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.653204][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.653206][ T243] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.653210][ T243] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.653214][ T243] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.653216][ T243] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.653219][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.653221][ T243] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.653225][ T243] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.653229][ T243] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.653230][ T243] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.653236][ T243] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.653238][ T243] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.653240][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.653242][ T243] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 10.653245][ T243] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.653247][ T243] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.653250][ T243] vprintk_emit (kernel/printk/printk.c:2479) [ 10.653253][ T243] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.653256][ T243] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.653259][ T243] _printk (kernel/printk/printk.c:2504) [ 10.653263][ T243] ? snapshot_read.cold (user.c:?) [ 10.653266][ T243] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.653268][ T243] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.653272][ T243] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.653275][ T243] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.653280][ T243] ? exit_notify (kernel/exit.c:780) [ 10.653282][ T243] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.653285][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.653288][ T243] do_group_exit (kernel/exit.c:1151) [ 10.653291][ T243] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.653293][ T243] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.653295][ T243] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.653299][ T243] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.653302][ T243] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.653304][ T243] RIP: 0033:0x7fc61a96c1b8 [ 10.653306][ T243] Code: Unable to access opcode bytes at 0x7fc61a96c18e. Code starting with the faulting instruction =========================================== [ 10.653307][ T243] RSP: 002b:00007ffc4606f138 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.653310][ T243] RAX: ffffffffffffffda RBX: 00007fc61aa9cf88 RCX: 00007fc61a96c1b8 [ 10.653311][ T243] RDX: 00007fc61a6b6fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.653312][ T243] RBP: 00007ffc4606f190 R08: 0000000000000000 R09: 0000000000000000 [ 10.653313][ T243] R10: 00007ffc4606ef50 R11: 0000000000000246 R12: 0000000000000001 [ 10.653314][ T243] R13: 0000000000000000 R14: 00007fc61aa9b680 R15: 00007fc61aa9cfa0 | [ 12.093216][ T293] softirqs last disabled at (19204): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 12.093218][ T293] Preemption disabled at: | [ 12.093219][ T293] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.093227][ T293] Tainted: [W]=WARN [ 12.093229][ T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.093230][ T293] Call Trace: [ 12.093232][ T293] [ 12.093233][ T293] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.093239][ T293] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.093240][ T293] __might_resched.cold (kernel/sched/core.c:9234) [ 12.093245][ T293] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.093249][ T293] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.093254][ T293] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.093256][ T293] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.093262][ T293] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.093265][ T293] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.093269][ T293] put_chars (drivers/char/virtio_console.c:1176) [ 12.093271][ T293] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.093272][ T293] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.093276][ T293] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.093283][ T293] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.093291][ T293] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.093294][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.093296][ T293] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.093300][ T293] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.093304][ T293] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.093305][ T293] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.093309][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.093310][ T293] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.093314][ T293] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.093319][ T293] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.093320][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.093326][ T293] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.093329][ T293] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.093331][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.093333][ T293] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 12.093336][ T293] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.093338][ T293] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.093341][ T293] vprintk_emit (kernel/printk/printk.c:2479) [ 12.093344][ T293] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.093346][ T293] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.093349][ T293] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.093352][ T293] _printk (kernel/printk/printk.c:2504) [ 12.093356][ T293] ? snapshot_read.cold (user.c:?) [ 12.093359][ T293] ? br_multicast_flood (??:?) [ 12.093362][ T293] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.093363][ T293] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.093364][ T293] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.093369][ T293] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 12.093373][ T293] br_init_port (net/bridge/br_stp_if.c:39) [ 12.093376][ T293] new_nbp (net/bridge/br_if.c:449) [ 12.093379][ T293] br_add_if (net/bridge/br_if.c:592) [ 12.093382][ T293] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 12.093386][ T293] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 12.093391][ T293] do_set_master (net/core/rtnetlink.c:3071) [ 12.093393][ T293] ? netif_change_flags (net/core/dev.c:9882) [ 12.093396][ T293] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.093400][ T293] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.093403][ T293] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.093404][ T293] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.093407][ T293] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.093410][ T293] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.093412][ T293] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.093414][ T293] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.093416][ T293] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.093419][ T293] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.093420][ T293] ? kasan_save_track (mm/kasan/common.c:78) [ 12.093421][ T293] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 12.093423][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.093425][ T293] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 12.093428][ T293] ? ___sys_sendmsg (net/socket.c:2758) [ 12.093432][ T293] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.093434][ T293] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.093436][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.093438][ T293] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.093440][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.093441][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.093442][ T293] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.093445][ T293] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 12.093447][ T293] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.093449][ T293] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.093453][ T293] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.093454][ T293] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.093459][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.093461][ T293] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.093466][ T293] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.093471][ T293] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.093473][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.093478][ T293] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.093480][ T293] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.093482][ T293] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.093484][ T293] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.093488][ T293] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.093490][ T293] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.093493][ T293] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.093494][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.093498][ T293] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.093500][ T293] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.093504][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.093507][ T293] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.093510][ T293] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.093516][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 12.093518][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 12.093522][ T293] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.093526][ T293] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.093529][ T293] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.093533][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.093537][ T293] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.093541][ T293] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.093543][ T293] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 12.093548][ T293] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 12.093551][ T293] ____sys_sendmsg (net/socket.c:2713) [ 12.093553][ T293] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.093555][ T293] ? sock_write_iter (net/socket.c:1269) [ 12.093557][ T293] ? move_addr_to_kernel (net/socket.c:258) [ 12.093564][ T293] ___sys_sendmsg (net/socket.c:2767) [ 12.093567][ T293] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.093583][ T293] __sys_sendmsg (net/socket.c:2799) [ 12.093585][ T293] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.093592][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.093595][ T293] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.093597][ T293] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.093600][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.093602][ T293] RIP: 0033:0x7fc1233a354e [ 12.093606][ T293] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 12.093608][ T293] RSP: 002b:00007ffefc2dfb30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.093610][ T293] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc1233a354e [ 12.093612][ T293] RDX: 0000000000000000 RSI: 00007ffefc2dfbe0 RDI: 0000000000000005 [ 12.093613][ T293] RBP: 00007ffefc2dfb40 R08: 0000000000000000 R09: 0000000000000000 [ 12.093614][ T293] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90edc2 [ 12.093614][ T293] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefc2e02b0 | [ 17.649654][ T312] softirqs last disabled at (23941): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 17.649656][ T312] Preemption disabled at: | [ 17.649657][ T312] vprintk_emit (kernel/printk/printk.c:2471) | [ 17.649666][ T312] Tainted: [W]=WARN [ 17.649667][ T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.649668][ T312] Call Trace: [ 17.649670][ T312] [ 17.649671][ T312] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.649677][ T312] ? vprintk_emit (kernel/printk/printk.c:2471) [ 17.649678][ T312] __might_resched.cold (kernel/sched/core.c:9234) [ 17.649683][ T312] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.649687][ T312] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.649691][ T312] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 17.649693][ T312] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.649699][ T312] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 17.649702][ T312] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.649706][ T312] put_chars (drivers/char/virtio_console.c:1176) [ 17.649708][ T312] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 17.649710][ T312] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.649713][ T312] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.649716][ T312] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.649720][ T312] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.649724][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.649725][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.649730][ T312] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.649732][ T312] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 17.649735][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.649737][ T312] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.649741][ T312] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.649745][ T312] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.649747][ T312] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 17.649750][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.649752][ T312] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.649755][ T312] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.649760][ T312] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.649762][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.649767][ T312] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.649769][ T312] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.649771][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.649773][ T312] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 17.649776][ T312] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.649778][ T312] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.649781][ T312] vprintk_emit (kernel/printk/printk.c:2479) [ 17.649784][ T312] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.649789][ T312] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 17.649792][ T312] _printk (kernel/printk/printk.c:2504) [ 17.649795][ T312] ? snapshot_read.cold (user.c:?) [ 17.649801][ T312] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 17.649805][ T312] gact_init_module (net/sched/act_gact.c:180) act_gact [ 17.649807][ T312] do_one_initcall (init/main.c:1357) [ 17.649810][ T312] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 17.649814][ T312] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 17.649816][ T312] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 17.649822][ T312] do_init_module (kernel/module/main.c:3117) [ 17.649825][ T312] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 17.649829][ T312] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 17.649831][ T312] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 17.649835][ T312] load_module (kernel/module/main.c:3593) [ 17.649839][ T312] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 17.649844][ T312] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 17.649847][ T312] ? __ia32_sys_fsconfig (??:?) [ 17.649851][ T312] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.649853][ T312] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.649857][ T312] init_module_from_file (kernel/module/main.c:3790) [ 17.649859][ T312] ? __do_sys_init_module (kernel/module/main.c:3664) [ 17.649867][ T312] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.649870][ T312] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 17.649873][ T312] idempotent_init_module (kernel/module/main.c:3802) [ 17.649876][ T312] ? init_module_from_file (kernel/module/main.c:3791) [ 17.649881][ T312] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 17.649883][ T312] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 17.649888][ T312] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 17.649889][ T312] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.649893][ T312] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.649896][ T312] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.649898][ T312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.649901][ T312] RIP: 0033:0x7fdcf0b4937d [ 17.649904][ T312] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 17.649906][ T312] RSP: 002b:00007ffcb7ac4bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 17.649908][ T312] RAX: ffffffffffffffda RBX: 000056437d90f810 RCX: 00007fdcf0b4937d [ 17.649910][ T312] RDX: 0000000000000000 RSI: 000056434e7e0ffd RDI: 0000000000000000 [ 17.649911][ T312] RBP: 00007ffcb7ac4c60 R08: 0000000000000000 R09: 0000000000000000 [ 17.649911][ T312] R10: 0000000000000000 R11: 0000000000000246 R12: 000056434e7e0ffd [ 17.649912][ T312] R13: 000056437d90f960 R14: 0000000000040000 R15: 0000000000000000 | [ 23.575933][ T69] softirqs last disabled at (46112): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 23.575935][ T69] Preemption disabled at: | [ 23.575936][ T69] 0x0 | [ 23.575946][ T69] Tainted: [W]=WARN [ 23.575947][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.575948][ T69] Workqueue: netns cleanup_net [ 23.575952][ T69] Call Trace: [ 23.575953][ T69] [ 23.575955][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.575961][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 23.575966][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.575970][ T69] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 23.575975][ T69] __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)) [ 23.575977][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.575983][ T69] ? 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) [ 23.575986][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.575990][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 23.575992][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.575999][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.576007][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.576010][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.576015][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.576024][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.576026][ T69] ? 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)) [ 23.576029][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.576032][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.576036][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.576041][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.576043][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.576048][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.576051][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.576053][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.576055][ T69] ? 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) [ 23.576058][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.576060][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.576063][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 23.576066][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.576068][ T69] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.576076][ T69] _printk (kernel/printk/printk.c:2504) [ 23.576080][ T69] ? snapshot_read.cold (user.c:?) [ 23.576088][ T69] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 23.576093][ T69] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 23.576096][ T69] br_device_event (net/bridge/br.c:111) [ 23.576098][ T69] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 23.576102][ T69] ? packet_sendmsg_spkt (af_packet.c:?) [ 23.576108][ T69] notifier_call_chain (kernel/notifier.c:85) [ 23.576114][ T69] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 23.576117][ T69] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 23.576120][ T69] ? __dev_close_many (net/core/dev.c:1804) [ 23.576123][ T69] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 23.576128][ T69] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 23.576130][ T69] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 23.576132][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 23.576134][ T69] ? kthread (kernel/kthread.c:436) [ 23.576136][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 23.576139][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 23.576142][ T69] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 23.576145][ T69] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.576151][ T69] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 23.576154][ T69] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 23.576157][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.576159][ T69] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 23.576164][ T69] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 23.576167][ T69] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 23.576170][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 23.576172][ T69] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.576175][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 23.576180][ T69] cleanup_net (net/core/net_namespace.c:706) [ 23.576183][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 23.576186][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.576188][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.576192][ T69] process_one_work (kernel/workqueue.c:3387) [ 23.576198][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 23.576201][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.576209][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 23.576213][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.576215][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 23.576218][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.576221][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.576223][ T69] kthread (kernel/kthread.c:436) [ 23.576225][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 23.576228][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.576231][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 23.576234][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 23.576237][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 23.576241][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.576244][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 26.499972][ T557] softirqs last disabled at (15834): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 26.499974][ T557] Preemption disabled at: | [ 26.499975][ T557] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.499983][ T557] Tainted: [W]=WARN [ 26.499984][ T557] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.499986][ T557] Call Trace: [ 26.499987][ T557] [ 26.499989][ T557] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.499995][ T557] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.499996][ T557] __might_resched.cold (kernel/sched/core.c:9234) [ 26.500001][ T557] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.500005][ T557] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.500010][ T557] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 26.500012][ T557] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.500018][ T557] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 26.500021][ T557] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.500025][ T557] put_chars (drivers/char/virtio_console.c:1176) [ 26.500034][ T557] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.500035][ T557] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.500039][ T557] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.500044][ T557] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.500052][ T557] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.500054][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.500056][ T557] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.500060][ T557] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.500064][ T557] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.500066][ T557] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 26.500069][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.500071][ T557] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.500075][ T557] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.500079][ T557] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.500080][ T557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.500086][ T557] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.500088][ T557] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.500090][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.500092][ T557] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 26.500095][ T557] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.500097][ T557] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.500100][ T557] vprintk_emit (kernel/printk/printk.c:2479) [ 26.500103][ T557] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.500105][ T557] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.500108][ T557] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 26.500111][ T557] _printk (kernel/printk/printk.c:2504) [ 26.500115][ T557] ? snapshot_read.cold (user.c:?) [ 26.500118][ T557] ? br_multicast_flood (??:?) [ 26.500121][ T557] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 26.500123][ T557] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.500124][ T557] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.500128][ T557] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 26.500132][ T557] br_init_port (net/bridge/br_stp_if.c:39) [ 26.500135][ T557] new_nbp (net/bridge/br_if.c:449) [ 26.500138][ T557] br_add_if (net/bridge/br_if.c:592) [ 26.500141][ T557] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 26.500145][ T557] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 26.500150][ T557] do_set_master (net/core/rtnetlink.c:3071) [ 26.500151][ T557] ? netif_change_flags (net/core/dev.c:9882) [ 26.500155][ T557] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 26.500158][ T557] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 26.500161][ T557] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 26.500163][ T557] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 26.500165][ T557] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 26.500169][ T557] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.500171][ T557] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.500173][ T557] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.500175][ T557] ? kasan_save_stack (mm/kasan/common.c:58) [ 26.500177][ T557] ? kasan_save_stack (mm/kasan/common.c:57) [ 26.500178][ T557] ? kasan_save_track (mm/kasan/common.c:78) [ 26.500180][ T557] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 26.500182][ T557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.500184][ T557] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 26.500187][ T557] ? ___sys_sendmsg (net/socket.c:2758) [ 26.500190][ T557] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.500192][ T557] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.500195][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.500196][ T557] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.500198][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.500199][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.500201][ T557] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 26.500203][ T557] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 26.500206][ T557] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 26.500208][ T557] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.500211][ T557] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 26.500212][ T557] ? nla_get_range_signed (lib/nlattr.c:270) [ 26.500217][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.500219][ T557] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 26.500224][ T557] rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.500230][ T557] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.500232][ T557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.500236][ T557] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.500238][ T557] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.500240][ T557] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.500242][ T557] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.500245][ T557] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.500247][ T557] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.500250][ T557] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.500252][ T557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.500256][ T557] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.500258][ T557] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.500261][ T557] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 26.500264][ T557] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.500267][ T557] ? netlink_ack (./include/linux/skbuff.h:2718) [ 26.500273][ T557] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 26.500275][ T557] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 26.500282][ T557] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 26.500286][ T557] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 26.500289][ T557] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.500293][ T557] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 26.500297][ T557] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 26.500300][ T557] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.500302][ T557] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 26.500307][ T557] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 26.500310][ T557] ____sys_sendmsg (net/socket.c:2713) [ 26.500312][ T557] ? copy_msghdr_from_user (net/socket.c:2650) [ 26.500314][ T557] ? sock_write_iter (net/socket.c:1269) [ 26.500316][ T557] ? move_addr_to_kernel (net/socket.c:258) [ 26.500323][ T557] ___sys_sendmsg (net/socket.c:2767) [ 26.500326][ T557] ? copy_msghdr_from_user (net/socket.c:2619) [ 26.500341][ T557] __sys_sendmsg (net/socket.c:2799) [ 26.500344][ T557] ? __sys_sendmsg_sock (net/socket.c:2780) [ 26.500350][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.500353][ T557] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.500356][ T557] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.500359][ T557] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.500361][ T557] RIP: 0033:0x7fde0313f54e [ 26.500365][ T557] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 26.500367][ T557] RSP: 002b:00007ffe6198ab90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.500369][ T557] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fde0313f54e [ 26.500371][ T557] RDX: 0000000000000000 RSI: 00007ffe6198ac40 RDI: 0000000000000005 [ 26.500372][ T557] RBP: 00007ffe6198aba0 R08: 0000000000000000 R09: 0000000000000000 [ 26.500373][ T557] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90edd0 [ 26.500374][ T557] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6198b310 | [ 33.976200][ T69] softirqs last disabled at (247920): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 33.976202][ T69] Preemption disabled at: | [ 33.976203][ T69] 0x0 | [ 33.976214][ T69] Tainted: [W]=WARN [ 33.976215][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.976216][ T69] Workqueue: netns cleanup_net [ 33.976219][ T69] Call Trace: [ 33.976221][ T69] [ 33.976223][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.976229][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 33.976234][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.976238][ T69] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 33.976242][ T69] __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)) [ 33.976244][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.976251][ T69] ? 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) [ 33.976254][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.976258][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 33.976260][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.976267][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.976275][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.976281][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.976285][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.976290][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.976291][ T69] ? 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)) [ 33.976295][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.976298][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.976302][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.976306][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.976308][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.976314][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.976317][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.976319][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.976320][ T69] ? 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) [ 33.976324][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.976326][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.976329][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 33.976332][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.976333][ T69] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 33.976336][ T69] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.976338][ T69] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.976343][ T69] _printk (kernel/printk/printk.c:2504) [ 33.976346][ T69] ? snapshot_read.cold (user.c:?) [ 33.976354][ T69] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 33.976359][ T69] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 33.976363][ T69] br_device_event (net/bridge/br.c:111) [ 33.976365][ T69] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 33.976369][ T69] ? packet_sendmsg_spkt (af_packet.c:?) [ 33.976375][ T69] notifier_call_chain (kernel/notifier.c:85) [ 33.976381][ T69] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 33.976384][ T69] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 33.976388][ T69] ? __dev_close_many (net/core/dev.c:1804) [ 33.976391][ T69] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 33.976395][ T69] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 33.976398][ T69] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 33.976400][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 33.976402][ T69] ? kthread (kernel/kthread.c:436) [ 33.976403][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 33.976406][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 33.976409][ T69] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 33.976412][ T69] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 33.976418][ T69] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 33.976422][ T69] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 33.976424][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.976427][ T69] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 33.976431][ T69] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 33.976435][ T69] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 33.976438][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 33.976439][ T69] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.976442][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 33.976447][ T69] cleanup_net (net/core/net_namespace.c:706) [ 33.976450][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 33.976454][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.976456][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.976460][ T69] process_one_work (kernel/workqueue.c:3387) [ 33.976467][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 33.976470][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.976478][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 33.976482][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 33.976484][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 33.976487][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 33.976490][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 33.976492][ T69] kthread (kernel/kthread.c:436) [ 33.976494][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.976497][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.976500][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 33.976503][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 33.976506][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 33.976510][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.976513][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 36.829583][ T756] softirqs last disabled at (22668): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 36.829585][ T756] Preemption disabled at: | [ 36.829586][ T756] vprintk_emit (kernel/printk/printk.c:2471) | [ 36.829595][ T756] Tainted: [W]=WARN [ 36.829596][ T756] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.829597][ T756] Call Trace: [ 36.829599][ T756] [ 36.829601][ T756] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.829606][ T756] ? vprintk_emit (kernel/printk/printk.c:2471) [ 36.829608][ T756] __might_resched.cold (kernel/sched/core.c:9234) [ 36.829613][ T756] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.829617][ T756] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 36.829621][ T756] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 36.829623][ T756] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.829629][ T756] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 36.829632][ T756] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.829636][ T756] put_chars (drivers/char/virtio_console.c:1176) [ 36.829638][ T756] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.829639][ T756] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.829643][ T756] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 36.829648][ T756] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.829656][ T756] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.829659][ T756] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.829661][ T756] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.829665][ T756] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.829669][ T756] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.829670][ T756] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 36.829673][ T756] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.829675][ T756] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.829679][ T756] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.829683][ T756] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.829685][ T756] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.829690][ T756] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.829693][ T756] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.829695][ T756] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.829697][ T756] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 36.829700][ T756] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.829702][ T756] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.829705][ T756] vprintk_emit (kernel/printk/printk.c:2479) [ 36.829708][ T756] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.829710][ T756] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.829712][ T756] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 36.829716][ T756] _printk (kernel/printk/printk.c:2504) [ 36.829719][ T756] ? snapshot_read.cold (user.c:?) [ 36.829723][ T756] ? br_multicast_flood (??:?) [ 36.829726][ T756] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 36.829727][ T756] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 36.829728][ T756] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 36.829733][ T756] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 36.829737][ T756] br_init_port (net/bridge/br_stp_if.c:39) [ 36.829740][ T756] new_nbp (net/bridge/br_if.c:449) [ 36.829743][ T756] br_add_if (net/bridge/br_if.c:592) [ 36.829746][ T756] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 36.829749][ T756] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 36.829755][ T756] do_set_master (net/core/rtnetlink.c:3071) [ 36.829756][ T756] ? netif_change_flags (net/core/dev.c:9882) [ 36.829760][ T756] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 36.829763][ T756] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 36.829766][ T756] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 36.829768][ T756] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 36.829770][ T756] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 36.829774][ T756] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.829776][ T756] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.829778][ T756] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 36.829780][ T756] ? kasan_save_stack (mm/kasan/common.c:58) [ 36.829782][ T756] ? kasan_save_stack (mm/kasan/common.c:57) [ 36.829783][ T756] ? kasan_save_track (mm/kasan/common.c:78) [ 36.829785][ T756] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 36.829787][ T756] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.829789][ T756] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 36.829791][ T756] ? ___sys_sendmsg (net/socket.c:2758) [ 36.829795][ T756] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.829797][ T756] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 36.829800][ T756] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.829801][ T756] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.829803][ T756] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.829804][ T756] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.829806][ T756] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 36.829808][ T756] ? __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) [ 36.829811][ T756] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 36.829813][ T756] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 36.829816][ T756] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 36.829817][ T756] ? nla_get_range_signed (lib/nlattr.c:270) [ 36.829822][ T756] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.829825][ T756] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 36.829830][ T756] rtnl_newlink (net/core/rtnetlink.c:4215) [ 36.829835][ T756] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.829837][ T756] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.829842][ T756] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.829843][ T756] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.829845][ T756] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.829847][ T756] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.829851][ T756] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.829853][ T756] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 36.829856][ T756] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.829857][ T756] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.829862][ T756] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.829864][ T756] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.829867][ T756] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.829870][ T756] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.829873][ T756] ? netlink_ack (./include/linux/skbuff.h:2718) [ 36.829879][ T756] ? 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)) [ 36.829881][ T756] ? 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)) [ 36.829886][ T756] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.829890][ T756] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 36.829892][ T756] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.829896][ T756] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.829900][ T756] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 36.829904][ T756] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.829906][ T756] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 36.829911][ T756] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 36.829914][ T756] ____sys_sendmsg (net/socket.c:2713) [ 36.829916][ T756] ? copy_msghdr_from_user (net/socket.c:2650) [ 36.829918][ T756] ? sock_write_iter (net/socket.c:1269) [ 36.829920][ T756] ? move_addr_to_kernel (net/socket.c:258) [ 36.829927][ T756] ___sys_sendmsg (net/socket.c:2767) [ 36.829930][ T756] ? copy_msghdr_from_user (net/socket.c:2619) [ 36.829946][ T756] __sys_sendmsg (net/socket.c:2799) [ 36.829949][ T756] ? __sys_sendmsg_sock (net/socket.c:2780) [ 36.829955][ T756] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.829958][ T756] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.829961][ T756] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 36.829964][ T756] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.829966][ T756] RIP: 0033:0x7fa46a60254e [ 36.829970][ T756] 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 [ 36.829971][ T756] RSP: 002b:00007ffd3c2e38c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.829974][ T756] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa46a60254e [ 36.829975][ T756] RDX: 0000000000000000 RSI: 00007ffd3c2e3970 RDI: 0000000000000005 [ 36.829976][ T756] RBP: 00007ffd3c2e38d0 R08: 0000000000000000 R09: 0000000000000000 [ 36.829977][ T756] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eddb [ 36.829978][ T756] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3c2e4040 | [ 52.174367][ C1] softirqs last disabled at (1658761): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 52.174368][ C1] Preemption disabled at: | [ 52.174369][ C1] 0x0 | [ 52.174380][ C1] Tainted: [W]=WARN [ 52.174381][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.174383][ C1] Call Trace: [ 52.174384][ C1] [ 52.174386][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.174392][ C1] __might_resched.cold (kernel/sched/core.c:9234) [ 52.174396][ C1] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 52.174399][ C1] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 52.174402][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.174405][ C1] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 52.174408][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.174411][ C1] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.174415][ C1] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 52.174417][ C1] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.174419][ C1] put_chars (drivers/char/virtio_console.c:1176) [ 52.174421][ C1] ? __send_to_port (drivers/char/virtio_console.c:654) [ 52.174423][ C1] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 52.174426][ C1] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 52.174430][ C1] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 52.174432][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.174433][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.174436][ C1] console_emit_next_record (kernel/printk/printk.c:3183) [ 52.174438][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 52.174441][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.174442][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.174443][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.174444][ C1] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 52.174446][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 52.174449][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 52.174451][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 52.174453][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.174455][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 52.174456][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.174457][ C1] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 52.174459][ C1] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 52.174461][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 52.174463][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 52.174464][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 52.174466][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 52.174467][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:418) [ 52.174471][ C1] _printk (kernel/printk/printk.c:2504) [ 52.174474][ C1] ? snapshot_read.cold (user.c:?) [ 52.174476][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 52.174479][ C1] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 52.174480][ C1] ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723) [ 52.174482][ C1] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1)) [ 52.174485][ C1] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 52.174487][ C1] mark_lock (kernel/locking/lockdep.c:4769) [ 52.174489][ C1] mark_usage (kernel/locking/lockdep.c:4658) [ 52.174491][ C1] __lock_acquire (kernel/locking/lockdep.c:5208) [ 52.174494][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.174495][ C1] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.174499][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.174500][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.174502][ C1] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.174503][ C1] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 52.174505][ C1] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.174506][ C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.174507][ C1] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.174509][ C1] call_timer_fn (kernel/time/timer.c:1748) [ 52.174512][ C1] ? detach_if_pending (./include/linux/list.h:1159) [ 52.174514][ C1] ? debug_object_active_state (lib/debugobjects.c:1122) [ 52.174517][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.174519][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.174521][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.174522][ C1] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 52.174524][ C1] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.174526][ C1] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 52.174528][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.174531][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.174533][ C1] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 52.174535][ C1] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 52.174537][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.174540][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.174541][ C1] handle_softirqs (kernel/softirq.c:645) [ 52.174543][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.174545][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 52.174547][ C1] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 52.174548][ C1] irq_exit_rcu (kernel/softirq.c:784) [ 52.174550][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 52.174552][ C1] [ 52.174553][ C1] [ 52.174554][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 52.174556][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 52.174558][ C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 52.174560][ C1] 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 [ 52.174562][ C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282 [ 52.174565][ C1] RAX: 0000000000194f87 RBX: ff11000001c1a3c0 RCX: ffffffffa3106247 [ 52.174567][ C1] RDX: ff11000001c1a3c0 RSI: ffffffffa6311042 RDI: ffffffffa5c949e0 [ 52.174567][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 52.174568][ C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3 [ 52.174569][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 52.174571][ C1] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.174574][ C1] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 52.174576][ C1] default_idle_call (kernel/sched/idle.c:122) [ 52.174578][ C1] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.174580][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 52.174581][ C1] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 52.174584][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.174585][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.174587][ C1] do_idle (kernel/sched/idle.c:355) [ 52.174588][ C1] cpu_startup_entry (kernel/sched/idle.c:454) [ 52.174590][ C1] start_secondary (arch/x86/kernel/smpboot.c:312) [ 52.174592][ C1] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 52.174594][ C1] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 52.231424][ C1] | [ 52.231489][ C1] | [ 52.231489][ C1] stack backtrace: | [ 52.231701][ C1] Tainted: [W]=WARN [ 52.231702][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.231703][ C1] Call Trace: [ 52.231704][ C1] [ 52.231704][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.231708][ C1] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 52.231711][ C1] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 52.231714][ C1] mark_lock (kernel/locking/lockdep.c:4769) [ 52.231716][ C1] mark_usage (kernel/locking/lockdep.c:4658) [ 52.231718][ C1] __lock_acquire (kernel/locking/lockdep.c:5208) [ 52.231720][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.231722][ C1] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.231724][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.231725][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.231727][ C1] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.231728][ C1] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 52.231730][ C1] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.231731][ C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.231733][ C1] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.231734][ C1] call_timer_fn (kernel/time/timer.c:1748) [ 52.231736][ C1] ? detach_if_pending (./include/linux/list.h:1159) [ 52.231738][ C1] ? debug_object_active_state (lib/debugobjects.c:1122) [ 52.231740][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.231742][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.231744][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.231746][ C1] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 52.231748][ C1] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.231750][ C1] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 52.231751][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.231754][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.231757][ C1] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 52.231759][ C1] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 52.231761][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.231763][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.231764][ C1] handle_softirqs (kernel/softirq.c:645) [ 52.231766][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.231768][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 52.231770][ C1] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 52.231772][ C1] irq_exit_rcu (kernel/softirq.c:784) [ 52.231773][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 52.231775][ C1] [ 52.231775][ C1] [ 52.231776][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 52.231777][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 52.231779][ C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 52.231781][ C1] 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 [ 52.231782][ C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282 [ 52.231783][ C1] RAX: 0000000000194f87 RBX: ff11000001c1a3c0 RCX: ffffffffa3106247 [ 52.231784][ C1] RDX: ff11000001c1a3c0 RSI: ffffffffa6311042 RDI: ffffffffa5c949e0 [ 52.231785][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 52.231786][ C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3 [ 52.231787][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 52.231788][ C1] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.231791][ C1] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 52.231792][ C1] default_idle_call (kernel/sched/idle.c:122) [ 52.231794][ C1] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.231796][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 52.231797][ C1] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 52.231799][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.231800][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.231802][ C1] do_idle (kernel/sched/idle.c:355) [ 52.231804][ C1] cpu_startup_entry (kernel/sched/idle.c:454) [ 52.231805][ C1] start_secondary (arch/x86/kernel/smpboot.c:312) [ 52.231807][ C1] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 52.231809][ C1] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 56.571100][ T69] softirqs last disabled at (453502): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 56.571102][ T69] Preemption disabled at: | [ 56.571102][ T69] 0x0 | [ 56.571112][ T69] Tainted: [W]=WARN [ 56.571113][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 56.571115][ T69] Workqueue: netns cleanup_net [ 56.571120][ T69] Call Trace: [ 56.571121][ T69] [ 56.571123][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 56.571129][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 56.571132][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 56.571144][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.571147][ T69] __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)) [ 56.571150][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.571153][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.571157][ T69] ? 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) [ 56.571159][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.571161][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 56.571162][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 56.571164][ T69] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 56.571166][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 56.571169][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 56.571173][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 56.571174][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.571176][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.571179][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 56.571181][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 56.571183][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.571184][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.571185][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.571186][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.571188][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 56.571189][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 56.571192][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 56.571194][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 56.571196][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.571197][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 56.571199][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.571200][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 56.571202][ T69] ? 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) [ 56.571203][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 56.571204][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 56.571206][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 56.571207][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 56.571209][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 56.571210][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.571211][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 56.571214][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 56.571216][ T69] _printk (kernel/printk/printk.c:2504) [ 56.571219][ T69] ? snapshot_read.cold (user.c:?) [ 56.571221][ T69] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 56.571223][ T69] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 56.571227][ T69] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 56.571229][ T69] br_device_event (net/bridge/br.c:111) [ 56.571231][ T69] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 56.571232][ T69] ? packet_sendmsg_spkt (af_packet.c:?) [ 56.571234][ T69] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 56.571237][ T69] notifier_call_chain (kernel/notifier.c:85) [ 56.571240][ T69] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 56.571242][ T69] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 56.571244][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.571246][ T69] ? __dev_close_many (net/core/dev.c:1804) [ 56.571248][ T69] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 56.571250][ T69] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 56.571252][ T69] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 56.571253][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 56.571256][ T69] ? kthread (kernel/kthread.c:436) [ 56.571257][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 56.571260][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 56.571262][ T69] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 56.571264][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.571265][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 56.571267][ T69] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 56.571268][ T69] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 56.571269][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.571271][ T69] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 56.571272][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 56.571274][ T69] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 56.571281][ T69] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 56.571283][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 56.571285][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 56.571288][ T69] cleanup_net (net/core/net_namespace.c:706) [ 56.571289][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 56.571291][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.571293][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.571294][ T69] process_one_work (kernel/workqueue.c:3387) [ 56.571297][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 56.571299][ T69] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 56.571301][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.571303][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 56.571305][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 56.571307][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 56.571309][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 56.571311][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 56.571312][ T69] kthread (kernel/kthread.c:436) [ 56.571314][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 56.571315][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 56.571317][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 56.571318][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 56.571320][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 56.571323][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 56.571325][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 58.376799][ T1034] softirqs last disabled at (0): 0x0 | [ 58.376800][ T1034] Preemption disabled at: | [ 58.376801][ T1034] vprintk_emit (kernel/printk/printk.c:2471) | [ 58.376811][ T1034] Tainted: [W]=WARN [ 58.376812][ T1034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 58.376813][ T1034] Call Trace: [ 58.376815][ T1034] [ 58.376816][ T1034] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 58.376821][ T1034] ? vprintk_emit (kernel/printk/printk.c:2471) [ 58.376822][ T1034] __might_resched.cold (kernel/sched/core.c:9234) [ 58.376826][ T1034] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 58.376829][ T1034] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 58.376833][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.376835][ 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)) [ 58.376838][ T1034] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.376840][ T1034] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.376845][ 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) [ 58.376847][ T1034] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.376849][ T1034] put_chars (drivers/char/virtio_console.c:1176) [ 58.376851][ T1034] ? __send_to_port (drivers/char/virtio_console.c:654) [ 58.376852][ T1034] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 58.376855][ T1034] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 58.376860][ T1034] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 58.376862][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.376863][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.376865][ T1034] console_emit_next_record (kernel/printk/printk.c:3183) [ 58.376868][ T1034] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 58.376870][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.376871][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.376872][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.376873][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.376874][ T1034] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 58.376876][ T1034] console_flush_one_record (kernel/printk/printk.c:3268) [ 58.376878][ T1034] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 58.376881][ T1034] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 58.376883][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.376884][ T1034] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 58.376886][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.376887][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 58.376888][ 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) [ 58.376890][ T1034] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 58.376891][ T1034] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 58.376893][ T1034] ? vprintk_emit (kernel/printk/printk.c:2478) [ 58.376895][ T1034] vprintk_emit (kernel/printk/printk.c:2479) [ 58.376896][ T1034] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 58.376897][ T1034] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.376899][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 58.376902][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.376903][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.376905][ T1034] _printk (kernel/printk/printk.c:2504) [ 58.376907][ T1034] ? snapshot_read.cold (user.c:?) [ 58.376909][ T1034] ? br_multicast_flood (??:?) [ 58.376913][ T1034] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 58.376916][ T1034] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 58.376917][ T1034] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 58.376919][ T1034] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 58.376921][ T1034] br_init_port (net/bridge/br_stp_if.c:39) [ 58.376923][ T1034] new_nbp (net/bridge/br_if.c:449) [ 58.376925][ T1034] br_add_if (net/bridge/br_if.c:592) [ 58.376927][ T1034] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 58.376930][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 58.376933][ T1034] do_set_master (net/core/rtnetlink.c:3071) [ 58.376934][ T1034] ? netif_change_flags (net/core/dev.c:9882) [ 58.376936][ T1034] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 58.376938][ T1034] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 58.376939][ T1034] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 58.376940][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.376941][ T1034] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 58.376944][ T1034] ? kasan_save_stack (mm/kasan/common.c:58) [ 58.376946][ T1034] ? kasan_save_stack (mm/kasan/common.c:57) [ 58.376947][ T1034] ? kasan_save_track (mm/kasan/common.c:78) [ 58.376948][ T1034] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 58.376949][ T1034] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 58.376950][ T1034] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 58.376951][ T1034] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 58.376952][ T1034] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 58.376955][ T1034] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 58.376956][ T1034] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 58.376958][ T1034] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 58.376960][ T1034] ? ____sys_sendmsg (net/socket.c:2713) [ 58.376961][ T1034] ? ___sys_sendmsg (net/socket.c:2767) [ 58.376963][ T1034] ? __sys_sendmsg (net/socket.c:2799) [ 58.376964][ T1034] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 58.376968][ T1034] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 58.376970][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.376971][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.376973][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.376974][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.376975][ T1034] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 58.376977][ 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) [ 58.376978][ T1034] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 58.376979][ T1034] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 58.376981][ T1034] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 58.376982][ T1034] ? nla_get_range_signed (lib/nlattr.c:270) [ 58.376985][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.376986][ T1034] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 58.376989][ T1034] rtnl_newlink (net/core/rtnetlink.c:4215) [ 58.376991][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.376992][ T1034] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 58.376993][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.376994][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.376996][ T1034] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 58.376998][ T1034] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 58.377000][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 58.377001][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.377002][ T1034] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 58.377005][ T1034] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 58.377008][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.377009][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.377010][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.377011][ T1034] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 58.377013][ T1034] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 58.377014][ T1034] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 58.377015][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 58.377017][ T1034] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 58.377019][ T1034] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 58.377021][ T1034] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 58.377022][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 58.377023][ T1034] ? netlink_ack (./include/linux/skbuff.h:2718) [ 58.377025][ T1034] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 58.377028][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.377029][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 58.377031][ T1034] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 58.377033][ T1034] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 58.377035][ T1034] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 58.377036][ T1034] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 58.377039][ T1034] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 58.377040][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 58.377042][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.377043][ T1034] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 58.377046][ T1034] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 58.377048][ T1034] ____sys_sendmsg (net/socket.c:2713) [ 58.377049][ T1034] ? copy_msghdr_from_user (net/socket.c:2650) [ 58.377051][ T1034] ? sock_write_iter (net/socket.c:1269) [ 58.377053][ T1034] ? move_addr_to_kernel (net/socket.c:258) [ 58.377054][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 58.377057][ T1034] ___sys_sendmsg (net/socket.c:2767) [ 58.377058][ T1034] ? copy_msghdr_from_user (net/socket.c:2619) [ 58.377063][ T1034] __sys_sendmsg (net/socket.c:2799) [ 58.377065][ T1034] ? __sys_sendmsg_sock (net/socket.c:2780) [ 58.377067][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.377069][ T1034] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 58.377071][ T1034] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 58.377072][ T1034] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 58.377074][ T1034] RIP: 0033:0x7f29e107b54e [ 58.377076][ 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 [ 58.377077][ T1034] RSP: 002b:00007ffdf6b39f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 58.377081][ T1034] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f29e107b54e [ 58.377082][ T1034] RDX: 0000000000000000 RSI: 00007ffdf6b39fb0 RDI: 0000000000000005 [ 58.377083][ T1034] RBP: 00007ffdf6b39f10 R08: 0000000000000000 R09: 0000000000000000 [ 58.377084][ T1034] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90edf0 [ 58.377085][ T1034] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf6b3a680 | [ 65.133160][ T69] softirqs last disabled at (453502): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 65.133162][ T69] Preemption disabled at: | [ 65.133171][ T69] 0x0 | [ 65.133181][ T69] Tainted: [W]=WARN [ 65.133182][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 65.133184][ T69] Workqueue: netns cleanup_net [ 65.133190][ T69] Call Trace: [ 65.133191][ T69] [ 65.133193][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 65.133198][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 65.133202][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 65.133206][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.133209][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 65.133212][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.133215][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 65.133219][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 65.133221][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 65.133223][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 65.133225][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 65.133226][ T69] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 65.133229][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 65.133231][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 65.133235][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 65.133237][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.133239][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.133241][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 65.133244][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 65.133246][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.133247][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.133248][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.133249][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.133250][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 65.133252][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 65.133254][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 65.133257][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 65.133259][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.133260][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 65.133262][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.133263][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 65.133264][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 65.133266][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 65.133267][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 65.133269][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 65.133271][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 65.133272][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 65.133273][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.133274][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 65.133281][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 65.133283][ T69] _printk (kernel/printk/printk.c:2504) [ 65.133286][ T69] ? snapshot_read.cold (user.c:?) [ 65.133288][ T69] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 65.133291][ T69] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 65.133295][ T69] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 65.133297][ T69] br_device_event (net/bridge/br.c:111) [ 65.133299][ T69] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 65.133301][ T69] ? packet_sendmsg_spkt (af_packet.c:?) [ 65.133303][ T69] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 65.133305][ T69] notifier_call_chain (kernel/notifier.c:85) [ 65.133308][ T69] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 65.133311][ T69] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 65.133313][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.133314][ T69] ? __dev_close_many (net/core/dev.c:1804) [ 65.133316][ T69] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 65.133318][ T69] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 65.133320][ T69] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 65.133321][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 65.133324][ T69] ? kthread (kernel/kthread.c:436) [ 65.133326][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 65.133329][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 65.133331][ T69] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 65.133332][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.133334][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 65.133336][ T69] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 65.133337][ T69] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 65.133338][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.133340][ T69] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 65.133341][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 65.133343][ T69] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 65.133345][ T69] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 65.133347][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 65.133349][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 65.133352][ T69] cleanup_net (net/core/net_namespace.c:706) [ 65.133354][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 65.133356][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.133357][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.133359][ T69] process_one_work (kernel/workqueue.c:3387) [ 65.133361][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 65.133363][ T69] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 65.133365][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.133368][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 65.133370][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 65.133371][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 65.133373][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 65.133375][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 65.133377][ T69] kthread (kernel/kthread.c:436) [ 65.133378][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 65.133379][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 65.133381][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 65.133383][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 65.133385][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 65.133388][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 65.133389][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 66.911020][ T1247] softirqs last disabled at (0): 0x0 | [ 66.911022][ T1247] Preemption disabled at: | [ 66.911022][ T1247] vprintk_emit (kernel/printk/printk.c:2471) | [ 66.911032][ T1247] Tainted: [W]=WARN [ 66.911034][ T1247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 66.911035][ T1247] Call Trace: [ 66.911037][ T1247] [ 66.911038][ T1247] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 66.911043][ T1247] ? vprintk_emit (kernel/printk/printk.c:2471) [ 66.911044][ T1247] __might_resched.cold (kernel/sched/core.c:9234) [ 66.911048][ T1247] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 66.911051][ T1247] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 66.911054][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.911057][ 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)) [ 66.911059][ T1247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 66.911062][ T1247] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.911067][ 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) [ 66.911068][ T1247] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.911071][ T1247] put_chars (drivers/char/virtio_console.c:1176) [ 66.911073][ T1247] ? __send_to_port (drivers/char/virtio_console.c:654) [ 66.911074][ T1247] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 66.911077][ T1247] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 66.911081][ T1247] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 66.911083][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.911084][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.911087][ T1247] console_emit_next_record (kernel/printk/printk.c:3183) [ 66.911089][ T1247] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 66.911091][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.911092][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.911093][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.911094][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.911096][ T1247] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 66.911098][ T1247] console_flush_one_record (kernel/printk/printk.c:3268) [ 66.911100][ T1247] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 66.911102][ T1247] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 66.911104][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.911106][ T1247] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 66.911108][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.911108][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 66.911110][ 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) [ 66.911112][ T1247] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 66.911113][ T1247] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 66.911115][ T1247] ? vprintk_emit (kernel/printk/printk.c:2478) [ 66.911116][ T1247] vprintk_emit (kernel/printk/printk.c:2479) [ 66.911118][ T1247] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 66.911119][ T1247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 66.911121][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 66.911123][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.911125][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.911126][ T1247] _printk (kernel/printk/printk.c:2504) [ 66.911129][ T1247] ? snapshot_read.cold (user.c:?) [ 66.911131][ T1247] ? br_multicast_flood (??:?) [ 66.911135][ T1247] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 66.911137][ T1247] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 66.911139][ T1247] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 66.911141][ T1247] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 66.911143][ T1247] br_init_port (net/bridge/br_stp_if.c:39) [ 66.911145][ T1247] new_nbp (net/bridge/br_if.c:449) [ 66.911147][ T1247] br_add_if (net/bridge/br_if.c:592) [ 66.911149][ T1247] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 66.911152][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 66.911155][ T1247] do_set_master (net/core/rtnetlink.c:3071) [ 66.911156][ T1247] ? netif_change_flags (net/core/dev.c:9882) [ 66.911158][ T1247] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 66.911160][ T1247] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 66.911161][ T1247] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 66.911162][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.911163][ T1247] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 66.911167][ T1247] ? kasan_save_stack (mm/kasan/common.c:58) [ 66.911168][ T1247] ? kasan_save_stack (mm/kasan/common.c:57) [ 66.911174][ T1247] ? kasan_save_track (mm/kasan/common.c:78) [ 66.911175][ T1247] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 66.911176][ T1247] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 66.911177][ T1247] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 66.911178][ T1247] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 66.911179][ T1247] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 66.911182][ T1247] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 66.911183][ T1247] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 66.911185][ T1247] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 66.911187][ T1247] ? ____sys_sendmsg (net/socket.c:2713) [ 66.911188][ T1247] ? ___sys_sendmsg (net/socket.c:2767) [ 66.911189][ T1247] ? __sys_sendmsg (net/socket.c:2799) [ 66.911191][ T1247] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 66.911194][ T1247] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 66.911196][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.911197][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.911199][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.911200][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.911201][ T1247] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 66.911203][ 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) [ 66.911204][ T1247] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 66.911205][ T1247] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 66.911207][ T1247] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 66.911208][ T1247] ? nla_get_range_signed (lib/nlattr.c:270) [ 66.911211][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.911212][ T1247] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 66.911214][ T1247] rtnl_newlink (net/core/rtnetlink.c:4215) [ 66.911216][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.911217][ T1247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 66.911218][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.911220][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.911221][ T1247] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 66.911223][ T1247] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 66.911225][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 66.911226][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.911227][ T1247] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 66.911230][ T1247] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 66.911233][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.911234][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.911235][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.911236][ T1247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 66.911238][ T1247] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 66.911239][ T1247] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 66.911240][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 66.911242][ T1247] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 66.911244][ T1247] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 66.911246][ T1247] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 66.911247][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 66.911248][ T1247] ? netlink_ack (./include/linux/skbuff.h:2718) [ 66.911250][ T1247] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 66.911253][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.911254][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 66.911256][ T1247] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 66.911258][ T1247] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 66.911260][ T1247] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 66.911262][ T1247] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 66.911264][ T1247] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 66.911265][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 66.911267][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.911268][ T1247] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 66.911272][ T1247] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 66.911273][ T1247] ____sys_sendmsg (net/socket.c:2713) [ 66.911275][ T1247] ? copy_msghdr_from_user (net/socket.c:2650) [ 66.911277][ T1247] ? sock_write_iter (net/socket.c:1269) [ 66.911280][ T1247] ? move_addr_to_kernel (net/socket.c:258) [ 66.911282][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 66.911284][ T1247] ___sys_sendmsg (net/socket.c:2767) [ 66.911286][ T1247] ? copy_msghdr_from_user (net/socket.c:2619) [ 66.911291][ T1247] __sys_sendmsg (net/socket.c:2799) [ 66.911293][ T1247] ? __sys_sendmsg_sock (net/socket.c:2780) [ 66.911295][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.911297][ T1247] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 66.911299][ T1247] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 66.911300][ T1247] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 66.911302][ T1247] RIP: 0033:0x7fd8691a154e [ 66.911304][ 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 [ 66.911305][ T1247] RSP: 002b:00007ffe6dc361c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 66.911309][ T1247] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd8691a154e [ 66.911311][ T1247] RDX: 0000000000000000 RSI: 00007ffe6dc36270 RDI: 0000000000000005 [ 66.911312][ T1247] RBP: 00007ffe6dc361d0 R08: 0000000000000000 R09: 0000000000000000 [ 66.911312][ T1247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90edf9 [ 66.911313][ T1247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6dc36940 | [ 75.138099][ T69] softirqs last disabled at (453502): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 75.138101][ T69] Preemption disabled at: | [ 75.138102][ T69] 0x0 | [ 75.138112][ T69] Tainted: [W]=WARN [ 75.138113][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 75.138114][ T69] Workqueue: netns cleanup_net [ 75.138120][ T69] Call Trace: [ 75.138121][ T69] [ 75.138123][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 75.138128][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 75.138132][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 75.138136][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.138139][ T69] __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)) [ 75.138142][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 75.138145][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 75.138149][ T69] ? 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) [ 75.138151][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 75.138153][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 75.138155][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 75.138156][ T69] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 75.138159][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 75.138161][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 75.138166][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 75.138167][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 75.138169][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.138171][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 75.138174][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 75.138176][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.138177][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.138178][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.138179][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.138180][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 75.138182][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 75.138184][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 75.138187][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 75.138189][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.138190][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 75.138192][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.138193][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 75.138194][ T69] ? 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) [ 75.138196][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 75.138197][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 75.138206][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 75.138207][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 75.138209][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 75.138210][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.138211][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 75.138214][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 75.138216][ T69] _printk (kernel/printk/printk.c:2504) [ 75.138219][ T69] ? snapshot_read.cold (user.c:?) [ 75.138221][ T69] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 75.138224][ T69] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 75.138228][ T69] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 75.138230][ T69] br_device_event (net/bridge/br.c:111) [ 75.138232][ T69] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 75.138233][ T69] ? packet_sendmsg_spkt (af_packet.c:?) [ 75.138235][ T69] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 75.138238][ T69] notifier_call_chain (kernel/notifier.c:85) [ 75.138241][ T69] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 75.138244][ T69] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 75.138246][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.138247][ T69] ? __dev_close_many (net/core/dev.c:1804) [ 75.138249][ T69] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 75.138251][ T69] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 75.138253][ T69] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 75.138254][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 75.138257][ T69] ? kthread (kernel/kthread.c:436) [ 75.138259][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 75.138261][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 75.138263][ T69] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 75.138265][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.138266][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 75.138268][ T69] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 75.138269][ T69] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 75.138270][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.138272][ T69] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 75.138273][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 75.138275][ T69] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 75.138281][ T69] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 75.138283][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 75.138285][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 75.138288][ T69] cleanup_net (net/core/net_namespace.c:706) [ 75.138289][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 75.138291][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.138293][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.138294][ T69] process_one_work (kernel/workqueue.c:3387) [ 75.138297][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 75.138299][ T69] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 75.138301][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 75.138303][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 75.138305][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 75.138307][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 75.138309][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 75.138311][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 75.138312][ T69] kthread (kernel/kthread.c:436) [ 75.138314][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 75.138316][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 75.138317][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 75.138319][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 75.138321][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 75.138324][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 75.138325][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 76.918677][ T1516] softirqs last disabled at (0): 0x0 | [ 76.918679][ T1516] Preemption disabled at: | [ 76.918679][ T1516] vprintk_emit (kernel/printk/printk.c:2471) | [ 76.918689][ T1516] Tainted: [W]=WARN [ 76.918690][ T1516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 76.918691][ T1516] Call Trace: [ 76.918693][ T1516] [ 76.918694][ T1516] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 76.918699][ T1516] ? vprintk_emit (kernel/printk/printk.c:2471) [ 76.918700][ T1516] __might_resched.cold (kernel/sched/core.c:9234) [ 76.918705][ T1516] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 76.918708][ T1516] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 76.918711][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.918714][ 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)) [ 76.918716][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 76.918719][ T1516] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 76.918723][ 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) [ 76.918725][ T1516] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 76.918727][ T1516] put_chars (drivers/char/virtio_console.c:1176) [ 76.918729][ T1516] ? __send_to_port (drivers/char/virtio_console.c:654) [ 76.918730][ T1516] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 76.918733][ T1516] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 76.918737][ T1516] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 76.918739][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.918740][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.918743][ T1516] console_emit_next_record (kernel/printk/printk.c:3183) [ 76.918745][ T1516] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 76.918747][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.918748][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.918749][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.918750][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.918752][ T1516] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 76.918754][ T1516] console_flush_one_record (kernel/printk/printk.c:3268) [ 76.918756][ T1516] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 76.918759][ T1516] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 76.918761][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.918762][ T1516] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 76.918764][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.918765][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 76.918766][ 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) [ 76.918768][ T1516] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 76.918769][ T1516] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 76.918771][ T1516] ? vprintk_emit (kernel/printk/printk.c:2478) [ 76.918772][ T1516] vprintk_emit (kernel/printk/printk.c:2479) [ 76.918774][ T1516] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 76.918775][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 76.918777][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 76.918780][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.918781][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.918783][ T1516] _printk (kernel/printk/printk.c:2504) [ 76.918785][ T1516] ? snapshot_read.cold (user.c:?) [ 76.918787][ T1516] ? br_multicast_flood (??:?) [ 76.918790][ T1516] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 76.918793][ T1516] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 76.918794][ T1516] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 76.918796][ T1516] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 76.918799][ T1516] br_init_port (net/bridge/br_stp_if.c:39) [ 76.918801][ T1516] new_nbp (net/bridge/br_if.c:449) [ 76.918803][ T1516] br_add_if (net/bridge/br_if.c:592) [ 76.918805][ T1516] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 76.918808][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 76.918811][ T1516] do_set_master (net/core/rtnetlink.c:3071) [ 76.918812][ T1516] ? netif_change_flags (net/core/dev.c:9882) [ 76.918814][ T1516] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 76.918816][ T1516] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 76.918817][ T1516] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 76.918818][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.918819][ T1516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 76.918823][ T1516] ? kasan_save_stack (mm/kasan/common.c:58) [ 76.918825][ T1516] ? kasan_save_stack (mm/kasan/common.c:57) [ 76.918825][ T1516] ? kasan_save_track (mm/kasan/common.c:78) [ 76.918826][ T1516] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 76.918827][ T1516] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 76.918828][ T1516] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 76.918829][ T1516] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 76.918830][ T1516] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 76.918833][ T1516] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 76.918835][ T1516] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 76.918836][ T1516] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 76.918838][ T1516] ? ____sys_sendmsg (net/socket.c:2713) [ 76.918840][ T1516] ? ___sys_sendmsg (net/socket.c:2767) [ 76.918841][ T1516] ? __sys_sendmsg (net/socket.c:2799) [ 76.918843][ T1516] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 76.918846][ T1516] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 76.918848][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.918849][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.918850][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.918851][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.918852][ T1516] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 76.918854][ 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) [ 76.918855][ T1516] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 76.918856][ T1516] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 76.918858][ T1516] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 76.918859][ T1516] ? nla_get_range_signed (lib/nlattr.c:270) [ 76.918862][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.918863][ T1516] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 76.918865][ T1516] rtnl_newlink (net/core/rtnetlink.c:4215) [ 76.918867][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.918868][ T1516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 76.918869][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.918871][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.918872][ T1516] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 76.918874][ T1516] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 76.918876][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 76.918877][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.918878][ T1516] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 76.918881][ T1516] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 76.918884][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.918885][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.918886][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.918888][ T1516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 76.918889][ T1516] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 76.918890][ T1516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 76.918892][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 76.918893][ T1516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 76.918895][ T1516] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 76.918897][ T1516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 76.918898][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 76.918900][ T1516] ? netlink_ack (./include/linux/skbuff.h:2718) [ 76.918901][ T1516] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 76.918904][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.918905][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 76.918907][ T1516] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 76.918909][ T1516] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 76.918911][ T1516] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 76.918913][ T1516] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 76.918915][ T1516] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 76.918916][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 76.918918][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.918919][ T1516] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 76.918923][ T1516] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 76.918924][ T1516] ____sys_sendmsg (net/socket.c:2713) [ 76.918926][ T1516] ? copy_msghdr_from_user (net/socket.c:2650) [ 76.918927][ T1516] ? sock_write_iter (net/socket.c:1269) [ 76.918929][ T1516] ? move_addr_to_kernel (net/socket.c:258) [ 76.918930][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 76.918933][ T1516] ___sys_sendmsg (net/socket.c:2767) [ 76.918934][ T1516] ? copy_msghdr_from_user (net/socket.c:2619) [ 76.918939][ T1516] __sys_sendmsg (net/socket.c:2799) [ 76.918941][ T1516] ? __sys_sendmsg_sock (net/socket.c:2780) [ 76.918944][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.918945][ T1516] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 76.918947][ T1516] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 76.918948][ T1516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 76.918950][ T1516] RIP: 0033:0x7f8ff479f54e [ 76.918952][ 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 [ 76.918953][ T1516] RSP: 002b:00007ffee50c5300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 76.918957][ T1516] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8ff479f54e [ 76.918958][ T1516] RDX: 0000000000000000 RSI: 00007ffee50c53b0 RDI: 0000000000000005 [ 76.918959][ T1516] RBP: 00007ffee50c5310 R08: 0000000000000000 R09: 0000000000000000 [ 76.918960][ T1516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee03 [ 76.918961][ T1516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee50c5a80 | [ 85.085023][ T69] softirqs last disabled at (453502): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 85.085025][ T69] Preemption disabled at: | [ 85.085025][ T69] 0x0 | [ 85.085035][ T69] Tainted: [W]=WARN [ 85.085036][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 85.085038][ T69] Workqueue: netns cleanup_net [ 85.085044][ T69] Call Trace: [ 85.085045][ T69] [ 85.085046][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 85.085052][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 85.085056][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 85.085060][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.085063][ T69] __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)) [ 85.085066][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 85.085069][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 85.085074][ T69] ? 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) [ 85.085077][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 85.085080][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 85.085083][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 85.085084][ T69] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 85.085088][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 85.085092][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 85.085097][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 85.085100][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 85.085102][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.085106][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 85.085110][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 85.085113][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.085114][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.085116][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.085117][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.085120][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 85.085123][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 85.085126][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 85.085130][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 85.085133][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.085135][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 85.085137][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.085139][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 85.085141][ T69] ? 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) [ 85.085144][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 85.085146][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 85.085149][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 85.085151][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 85.085154][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 85.085155][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.085157][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 85.085161][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 85.085164][ T69] _printk (kernel/printk/printk.c:2504) [ 85.085167][ T69] ? snapshot_read.cold (user.c:?) [ 85.085171][ T69] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 85.085175][ T69] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 85.085179][ T69] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 85.085182][ T69] br_device_event (net/bridge/br.c:111) [ 85.085185][ T69] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 85.085188][ T69] ? packet_sendmsg_spkt (af_packet.c:?) [ 85.085191][ T69] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 85.085195][ T69] notifier_call_chain (kernel/notifier.c:85) [ 85.085199][ T69] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 85.085203][ T69] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 85.085206][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.085208][ T69] ? __dev_close_many (net/core/dev.c:1804) [ 85.085211][ T69] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 85.085214][ T69] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 85.085217][ T69] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 85.085219][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 85.085222][ T69] ? kthread (kernel/kthread.c:436) [ 85.085225][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 85.085228][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 85.085231][ T69] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 85.085239][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.085241][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 85.085244][ T69] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 85.085246][ T69] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 85.085248][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.085251][ T69] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 85.085253][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 85.085255][ T69] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 85.085259][ T69] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 85.085262][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 85.085264][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 85.085268][ T69] cleanup_net (net/core/net_namespace.c:706) [ 85.085271][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 85.085273][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.085275][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.085280][ T69] process_one_work (kernel/workqueue.c:3387) [ 85.085284][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 85.085287][ T69] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 85.085290][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 85.085293][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 85.085296][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 85.085299][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 85.085301][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 85.085304][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 85.085306][ T69] kthread (kernel/kthread.c:436) [ 85.085308][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 85.085311][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 85.085313][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 85.085316][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 85.085318][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 85.085322][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 85.085325][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 86.892132][ T1785] softirqs last disabled at (0): 0x0 | [ 86.892133][ T1785] Preemption disabled at: | [ 86.892134][ T1785] vprintk_emit (kernel/printk/printk.c:2471) | [ 86.892144][ T1785] Tainted: [W]=WARN [ 86.892145][ T1785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 86.892147][ T1785] Call Trace: [ 86.892148][ T1785] [ 86.892149][ T1785] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 86.892154][ T1785] ? vprintk_emit (kernel/printk/printk.c:2471) [ 86.892155][ T1785] __might_resched.cold (kernel/sched/core.c:9234) [ 86.892159][ T1785] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 86.892162][ T1785] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 86.892166][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.892168][ 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)) [ 86.892171][ T1785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 86.892174][ T1785] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 86.892179][ 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) [ 86.892180][ T1785] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 86.892183][ T1785] put_chars (drivers/char/virtio_console.c:1176) [ 86.892184][ T1785] ? __send_to_port (drivers/char/virtio_console.c:654) [ 86.892186][ T1785] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 86.892189][ T1785] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 86.892193][ T1785] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 86.892195][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.892196][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.892199][ T1785] console_emit_next_record (kernel/printk/printk.c:3183) [ 86.892201][ T1785] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 86.892203][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.892204][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.892205][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.892206][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.892208][ T1785] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 86.892210][ T1785] console_flush_one_record (kernel/printk/printk.c:3268) [ 86.892212][ T1785] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 86.892215][ T1785] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 86.892216][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.892218][ T1785] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 86.892220][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.892221][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 86.892222][ 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) [ 86.892224][ T1785] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 86.892225][ T1785] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 86.892227][ T1785] ? vprintk_emit (kernel/printk/printk.c:2478) [ 86.892228][ T1785] vprintk_emit (kernel/printk/printk.c:2479) [ 86.892230][ T1785] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 86.892231][ T1785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 86.892233][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 86.892235][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.892237][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.892238][ T1785] _printk (kernel/printk/printk.c:2504) [ 86.892245][ T1785] ? snapshot_read.cold (user.c:?) [ 86.892247][ T1785] ? br_multicast_flood (??:?) [ 86.892250][ T1785] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 86.892253][ T1785] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 86.892254][ T1785] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 86.892256][ T1785] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 86.892259][ T1785] br_init_port (net/bridge/br_stp_if.c:39) [ 86.892261][ T1785] new_nbp (net/bridge/br_if.c:449) [ 86.892263][ T1785] br_add_if (net/bridge/br_if.c:592) [ 86.892265][ T1785] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 86.892268][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 86.892271][ T1785] do_set_master (net/core/rtnetlink.c:3071) [ 86.892272][ T1785] ? netif_change_flags (net/core/dev.c:9882) [ 86.892274][ T1785] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 86.892276][ T1785] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 86.892277][ T1785] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 86.892281][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.892282][ T1785] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 86.892285][ T1785] ? kasan_save_stack (mm/kasan/common.c:58) [ 86.892287][ T1785] ? kasan_save_stack (mm/kasan/common.c:57) [ 86.892288][ T1785] ? kasan_save_track (mm/kasan/common.c:78) [ 86.892289][ T1785] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 86.892290][ T1785] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 86.892291][ T1785] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 86.892292][ T1785] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 86.892293][ T1785] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 86.892296][ T1785] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 86.892297][ T1785] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 86.892299][ T1785] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 86.892301][ T1785] ? ____sys_sendmsg (net/socket.c:2713) [ 86.892302][ T1785] ? ___sys_sendmsg (net/socket.c:2767) [ 86.892304][ T1785] ? __sys_sendmsg (net/socket.c:2799) [ 86.892305][ T1785] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 86.892308][ T1785] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 86.892311][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.892312][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.892313][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.892314][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.892315][ T1785] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 86.892317][ 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) [ 86.892318][ T1785] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 86.892319][ T1785] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 86.892321][ T1785] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 86.892322][ T1785] ? nla_get_range_signed (lib/nlattr.c:270) [ 86.892325][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.892326][ T1785] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 86.892328][ T1785] rtnl_newlink (net/core/rtnetlink.c:4215) [ 86.892330][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.892331][ T1785] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 86.892332][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.892334][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.892335][ T1785] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 86.892338][ T1785] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 86.892339][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 86.892340][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.892341][ T1785] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 86.892344][ T1785] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 86.892347][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.892348][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.892350][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.892351][ T1785] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 86.892352][ T1785] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 86.892353][ T1785] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 86.892355][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 86.892356][ T1785] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 86.892358][ T1785] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 86.892360][ T1785] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 86.892361][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 86.892363][ T1785] ? netlink_ack (./include/linux/skbuff.h:2718) [ 86.892364][ T1785] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 86.892367][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.892368][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 86.892370][ T1785] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 86.892372][ T1785] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 86.892374][ T1785] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 86.892376][ T1785] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 86.892378][ T1785] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 86.892379][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 86.892381][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.892382][ T1785] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 86.892385][ T1785] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 86.892387][ T1785] ____sys_sendmsg (net/socket.c:2713) [ 86.892388][ T1785] ? copy_msghdr_from_user (net/socket.c:2650) [ 86.892390][ T1785] ? sock_write_iter (net/socket.c:1269) [ 86.892391][ T1785] ? move_addr_to_kernel (net/socket.c:258) [ 86.892393][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 86.892395][ T1785] ___sys_sendmsg (net/socket.c:2767) [ 86.892397][ T1785] ? copy_msghdr_from_user (net/socket.c:2619) [ 86.892402][ T1785] __sys_sendmsg (net/socket.c:2799) [ 86.892404][ T1785] ? __sys_sendmsg_sock (net/socket.c:2780) [ 86.892406][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.892408][ T1785] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 86.892409][ T1785] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 86.892411][ T1785] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 86.892413][ T1785] RIP: 0033:0x7f8de9ede54e [ 86.892414][ 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 [ 86.892416][ T1785] RSP: 002b:00007ffce145eef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 86.892420][ T1785] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8de9ede54e [ 86.892421][ T1785] RDX: 0000000000000000 RSI: 00007ffce145efa0 RDI: 0000000000000005 [ 86.892422][ T1785] RBP: 00007ffce145ef00 R08: 0000000000000000 R09: 0000000000000000 [ 86.892423][ T1785] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee0d [ 86.892424][ T1785] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce145f670 | [ 93.655895][ T69] softirqs last disabled at (453502): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 93.655897][ T69] Preemption disabled at: | [ 93.655898][ T69] 0x0 | [ 93.655908][ T69] Tainted: [W]=WARN [ 93.655909][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 93.655910][ T69] Workqueue: netns cleanup_net [ 93.655916][ T69] Call Trace: [ 93.655918][ T69] [ 93.655919][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 93.655925][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 93.655930][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 93.655934][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.655936][ T69] __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)) [ 93.655939][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 93.655942][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 93.655947][ T69] ? 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) [ 93.655949][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 93.655951][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 93.655953][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 93.655954][ T69] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 93.655957][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 93.655959][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 93.655964][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 93.655965][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 93.655967][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.655970][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 93.655972][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 93.655974][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.655975][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.655976][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.655977][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.655979][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 93.655981][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 93.655983][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 93.655986][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 93.655987][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.655989][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 93.655991][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.655991][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 93.655993][ T69] ? 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) [ 93.655994][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 93.655996][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 93.655997][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 93.655999][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 93.656001][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 93.656002][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.656003][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 93.656006][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 93.656008][ T69] _printk (kernel/printk/printk.c:2504) [ 93.656010][ T69] ? snapshot_read.cold (user.c:?) [ 93.656012][ T69] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 93.656015][ T69] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 93.656019][ T69] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 93.656021][ T69] br_device_event (net/bridge/br.c:111) [ 93.656023][ T69] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 93.656025][ T69] ? packet_sendmsg_spkt (af_packet.c:?) [ 93.656026][ T69] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 93.656029][ T69] notifier_call_chain (kernel/notifier.c:85) [ 93.656032][ T69] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 93.656035][ T69] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 93.656037][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.656038][ T69] ? __dev_close_many (net/core/dev.c:1804) [ 93.656040][ T69] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 93.656042][ T69] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 93.656044][ T69] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 93.656046][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 93.656048][ T69] ? kthread (kernel/kthread.c:436) [ 93.656050][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 93.656053][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 93.656055][ T69] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 93.656056][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.656058][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 93.656060][ T69] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 93.656061][ T69] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 93.656062][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.656064][ T69] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 93.656065][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 93.656067][ T69] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 93.656070][ T69] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 93.656072][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 93.656074][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 93.656077][ T69] cleanup_net (net/core/net_namespace.c:706) [ 93.656078][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 93.656080][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.656082][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.656083][ T69] process_one_work (kernel/workqueue.c:3387) [ 93.656086][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 93.656088][ T69] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 93.656090][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 93.656092][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 93.656094][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 93.656096][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 93.656098][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 93.656100][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 93.656102][ T69] kthread (kernel/kthread.c:436) [ 93.656103][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 93.656104][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 93.656106][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 93.656108][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 93.656110][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 93.656113][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 93.656114][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 95.443029][ T1977] softirqs last disabled at (0): 0x0 | [ 95.443031][ T1977] Preemption disabled at: | [ 95.443031][ T1977] vprintk_emit (kernel/printk/printk.c:2471) | [ 95.443041][ T1977] Tainted: [W]=WARN [ 95.443042][ T1977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 95.443043][ T1977] Call Trace: [ 95.443044][ T1977] [ 95.443046][ T1977] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 95.443051][ T1977] ? vprintk_emit (kernel/printk/printk.c:2471) [ 95.443052][ T1977] __might_resched.cold (kernel/sched/core.c:9234) [ 95.443056][ T1977] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 95.443059][ T1977] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 95.443062][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.443065][ 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)) [ 95.443067][ T1977] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 95.443070][ T1977] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 95.443075][ 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) [ 95.443077][ T1977] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 95.443079][ T1977] put_chars (drivers/char/virtio_console.c:1176) [ 95.443081][ T1977] ? __send_to_port (drivers/char/virtio_console.c:654) [ 95.443082][ T1977] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 95.443085][ T1977] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 95.443089][ T1977] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 95.443091][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.443092][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.443095][ T1977] console_emit_next_record (kernel/printk/printk.c:3183) [ 95.443097][ T1977] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 95.443099][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.443100][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.443101][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.443102][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.443104][ T1977] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 95.443106][ T1977] console_flush_one_record (kernel/printk/printk.c:3268) [ 95.443108][ T1977] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 95.443111][ T1977] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 95.443113][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.443114][ T1977] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 95.443116][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.443117][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 95.443118][ 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) [ 95.443120][ T1977] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 95.443121][ T1977] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 95.443123][ T1977] ? vprintk_emit (kernel/printk/printk.c:2478) [ 95.443124][ T1977] vprintk_emit (kernel/printk/printk.c:2479) [ 95.443126][ T1977] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 95.443127][ T1977] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 95.443129][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 95.443132][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.443133][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.443134][ T1977] _printk (kernel/printk/printk.c:2504) [ 95.443137][ T1977] ? snapshot_read.cold (user.c:?) [ 95.443139][ T1977] ? br_multicast_flood (??:?) [ 95.443143][ T1977] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 95.443146][ T1977] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 95.443147][ T1977] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 95.443149][ T1977] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 95.443151][ T1977] br_init_port (net/bridge/br_stp_if.c:39) [ 95.443153][ T1977] new_nbp (net/bridge/br_if.c:449) [ 95.443155][ T1977] br_add_if (net/bridge/br_if.c:592) [ 95.443157][ T1977] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 95.443160][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 95.443163][ T1977] do_set_master (net/core/rtnetlink.c:3071) [ 95.443164][ T1977] ? netif_change_flags (net/core/dev.c:9882) [ 95.443167][ T1977] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 95.443168][ T1977] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 95.443170][ T1977] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 95.443171][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.443172][ T1977] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 95.443175][ T1977] ? kasan_save_stack (mm/kasan/common.c:58) [ 95.443177][ T1977] ? kasan_save_stack (mm/kasan/common.c:57) [ 95.443178][ T1977] ? kasan_save_track (mm/kasan/common.c:78) [ 95.443179][ T1977] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 95.443180][ T1977] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 95.443181][ T1977] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 95.443182][ T1977] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 95.443183][ T1977] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 95.443186][ T1977] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 95.443187][ T1977] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 95.443189][ T1977] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 95.443191][ T1977] ? ____sys_sendmsg (net/socket.c:2713) [ 95.443192][ T1977] ? ___sys_sendmsg (net/socket.c:2767) [ 95.443194][ T1977] ? __sys_sendmsg (net/socket.c:2799) [ 95.443196][ T1977] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 95.443199][ T1977] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 95.443201][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.443202][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.443204][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.443205][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.443206][ T1977] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 95.443207][ 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) [ 95.443209][ T1977] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 95.443210][ T1977] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 95.443212][ T1977] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 95.443213][ T1977] ? nla_get_range_signed (lib/nlattr.c:270) [ 95.443216][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.443217][ T1977] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 95.443219][ T1977] rtnl_newlink (net/core/rtnetlink.c:4215) [ 95.443221][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.443222][ T1977] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 95.443223][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.443224][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.443226][ T1977] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 95.443228][ T1977] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 95.443229][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 95.443231][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.443232][ T1977] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 95.443235][ T1977] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 95.443237][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.443238][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.443240][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.443241][ T1977] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 95.443242][ T1977] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 95.443244][ T1977] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 95.443245][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 95.443246][ T1977] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 95.443248][ T1977] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 95.443250][ T1977] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 95.443251][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 95.443253][ T1977] ? netlink_ack (./include/linux/skbuff.h:2718) [ 95.443254][ T1977] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 95.443257][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.443258][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 95.443260][ T1977] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 95.443262][ T1977] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 95.443264][ T1977] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 95.443266][ T1977] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 95.443268][ T1977] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 95.443274][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 95.443276][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.443280][ T1977] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 95.443283][ T1977] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 95.443285][ T1977] ____sys_sendmsg (net/socket.c:2713) [ 95.443286][ T1977] ? copy_msghdr_from_user (net/socket.c:2650) [ 95.443288][ T1977] ? sock_write_iter (net/socket.c:1269) [ 95.443289][ T1977] ? move_addr_to_kernel (net/socket.c:258) [ 95.443290][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 95.443293][ T1977] ___sys_sendmsg (net/socket.c:2767) [ 95.443295][ T1977] ? copy_msghdr_from_user (net/socket.c:2619) [ 95.443299][ T1977] __sys_sendmsg (net/socket.c:2799) [ 95.443301][ T1977] ? __sys_sendmsg_sock (net/socket.c:2780) [ 95.443304][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.443305][ T1977] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 95.443307][ T1977] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 95.443309][ T1977] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 95.443310][ T1977] RIP: 0033:0x7f384985454e [ 95.443312][ 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 [ 95.443313][ T1977] RSP: 002b:00007ffec30aa0d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 95.443317][ T1977] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f384985454e [ 95.443319][ T1977] RDX: 0000000000000000 RSI: 00007ffec30aa180 RDI: 0000000000000005 [ 95.443320][ T1977] RBP: 00007ffec30aa0e0 R08: 0000000000000000 R09: 0000000000000000 [ 95.443320][ T1977] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee15 [ 95.443321][ T1977] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec30aa850 | [ 102.535146][ T69] softirqs last disabled at (453502): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 102.535149][ T69] Preemption disabled at: | [ 102.535149][ T69] 0x0 | [ 102.535159][ T69] Tainted: [W]=WARN [ 102.535161][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 102.535162][ T69] Workqueue: netns cleanup_net [ 102.535168][ T69] Call Trace: [ 102.535170][ T69] [ 102.535171][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 102.535177][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 102.535181][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 102.535185][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.535188][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 102.535191][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 102.535194][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 102.535198][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 102.535200][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 102.535203][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 102.535204][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 102.535205][ T69] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 102.535208][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 102.535211][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 102.535215][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 102.535217][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 102.535219][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.535221][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 102.535224][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 102.535226][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.535227][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.535228][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.535229][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.535231][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 102.535233][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 102.535235][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 102.535238][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 102.535239][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.535241][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 102.535242][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.535243][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 102.535245][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 102.535246][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 102.535248][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 102.535249][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 102.535251][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 102.535253][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 102.535254][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.535255][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 102.535258][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 102.535260][ T69] _printk (kernel/printk/printk.c:2504) [ 102.535263][ T69] ? snapshot_read.cold (user.c:?) [ 102.535265][ T69] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 102.535267][ T69] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 102.535271][ T69] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 102.535273][ T69] br_device_event (net/bridge/br.c:111) [ 102.535275][ T69] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 102.535277][ T69] ? packet_sendmsg_spkt (af_packet.c:?) [ 102.535279][ T69] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 102.535282][ T69] notifier_call_chain (kernel/notifier.c:85) [ 102.535285][ T69] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 102.535287][ T69] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 102.535289][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.535291][ T69] ? __dev_close_many (net/core/dev.c:1804) [ 102.535293][ T69] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 102.535301][ T69] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 102.535303][ T69] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 102.535304][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 102.535307][ T69] ? kthread (kernel/kthread.c:436) [ 102.535308][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 102.535311][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 102.535313][ T69] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 102.535315][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.535316][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 102.535318][ T69] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 102.535319][ T69] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 102.535320][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.535322][ T69] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 102.535323][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 102.535325][ T69] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 102.535328][ T69] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 102.535330][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 102.535331][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 102.535334][ T69] cleanup_net (net/core/net_namespace.c:706) [ 102.535336][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 102.535338][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.535339][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.535341][ T69] process_one_work (kernel/workqueue.c:3387) [ 102.535344][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 102.535346][ T69] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 102.535348][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 102.535350][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 102.535352][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 102.535354][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 102.535356][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 102.535357][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 102.535359][ T69] kthread (kernel/kthread.c:436) [ 102.535361][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 102.535362][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 102.535364][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 102.535365][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 102.535367][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 102.535370][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 102.535372][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 104.320006][ T2215] softirqs last disabled at (0): 0x0 | [ 104.320007][ T2215] Preemption disabled at: | [ 104.320008][ T2215] vprintk_emit (kernel/printk/printk.c:2471) | [ 104.320018][ T2215] Tainted: [W]=WARN [ 104.320019][ T2215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 104.320021][ T2215] Call Trace: [ 104.320022][ T2215] [ 104.320023][ T2215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 104.320028][ T2215] ? vprintk_emit (kernel/printk/printk.c:2471) [ 104.320030][ T2215] __might_resched.cold (kernel/sched/core.c:9234) [ 104.320034][ T2215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 104.320037][ T2215] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 104.320040][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.320043][ 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)) [ 104.320045][ T2215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 104.320048][ T2215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 104.320053][ 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) [ 104.320055][ T2215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 104.320057][ T2215] put_chars (drivers/char/virtio_console.c:1176) [ 104.320059][ T2215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 104.320060][ T2215] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 104.320063][ T2215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 104.320067][ T2215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 104.320069][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.320070][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.320073][ T2215] console_emit_next_record (kernel/printk/printk.c:3183) [ 104.320075][ T2215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 104.320077][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.320078][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.320079][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.320080][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.320082][ T2215] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 104.320084][ T2215] console_flush_one_record (kernel/printk/printk.c:3268) [ 104.320086][ T2215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 104.320089][ T2215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 104.320091][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.320092][ T2215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 104.320094][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.320095][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 104.320096][ 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) [ 104.320098][ T2215] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 104.320099][ T2215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 104.320101][ T2215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 104.320102][ T2215] vprintk_emit (kernel/printk/printk.c:2479) [ 104.320104][ T2215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 104.320105][ T2215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 104.320107][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 104.320110][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.320111][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.320113][ T2215] _printk (kernel/printk/printk.c:2504) [ 104.320115][ T2215] ? snapshot_read.cold (user.c:?) [ 104.320117][ T2215] ? br_multicast_flood (??:?) [ 104.320121][ T2215] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 104.320124][ T2215] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 104.320125][ T2215] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 104.320127][ T2215] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 104.320130][ T2215] br_init_port (net/bridge/br_stp_if.c:39) [ 104.320131][ T2215] new_nbp (net/bridge/br_if.c:449) [ 104.320133][ T2215] br_add_if (net/bridge/br_if.c:592) [ 104.320135][ T2215] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 104.320139][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 104.320142][ T2215] do_set_master (net/core/rtnetlink.c:3071) [ 104.320143][ T2215] ? netif_change_flags (net/core/dev.c:9882) [ 104.320145][ T2215] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 104.320147][ T2215] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 104.320148][ T2215] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 104.320149][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.320150][ T2215] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 104.320154][ T2215] ? kasan_save_stack (mm/kasan/common.c:58) [ 104.320155][ T2215] ? kasan_save_stack (mm/kasan/common.c:57) [ 104.320156][ T2215] ? kasan_save_track (mm/kasan/common.c:78) [ 104.320158][ T2215] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 104.320159][ T2215] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 104.320160][ T2215] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 104.320161][ T2215] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 104.320162][ T2215] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 104.320165][ T2215] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 104.320166][ T2215] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 104.320168][ T2215] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 104.320170][ T2215] ? ____sys_sendmsg (net/socket.c:2713) [ 104.320171][ T2215] ? ___sys_sendmsg (net/socket.c:2767) [ 104.320173][ T2215] ? __sys_sendmsg (net/socket.c:2799) [ 104.320174][ T2215] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 104.320178][ T2215] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 104.320180][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.320181][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.320183][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.320184][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.320185][ T2215] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 104.320186][ 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) [ 104.320188][ T2215] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 104.320189][ T2215] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 104.320190][ T2215] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 104.320191][ T2215] ? nla_get_range_signed (lib/nlattr.c:270) [ 104.320195][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.320196][ T2215] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 104.320198][ T2215] rtnl_newlink (net/core/rtnetlink.c:4215) [ 104.320200][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.320201][ T2215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 104.320202][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.320204][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.320205][ T2215] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 104.320208][ T2215] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 104.320209][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 104.320210][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.320211][ T2215] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 104.320215][ T2215] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 104.320217][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.320218][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.320220][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.320221][ T2215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 104.320222][ T2215] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 104.320224][ T2215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 104.320225][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 104.320226][ T2215] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 104.320229][ T2215] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 104.320230][ T2215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 104.320232][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 104.320233][ T2215] ? netlink_ack (./include/linux/skbuff.h:2718) [ 104.320235][ T2215] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 104.320238][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.320239][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 104.320241][ T2215] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 104.320243][ T2215] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 104.320244][ T2215] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 104.320246][ T2215] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 104.320248][ T2215] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 104.320250][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 104.320251][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.320253][ T2215] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 104.320256][ T2215] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 104.320258][ T2215] ____sys_sendmsg (net/socket.c:2713) [ 104.320259][ T2215] ? copy_msghdr_from_user (net/socket.c:2650) [ 104.320261][ T2215] ? sock_write_iter (net/socket.c:1269) [ 104.320262][ T2215] ? move_addr_to_kernel (net/socket.c:258) [ 104.320264][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 104.320266][ T2215] ___sys_sendmsg (net/socket.c:2767) [ 104.320268][ T2215] ? copy_msghdr_from_user (net/socket.c:2619) [ 104.320273][ T2215] __sys_sendmsg (net/socket.c:2799) [ 104.320275][ T2215] ? __sys_sendmsg_sock (net/socket.c:2780) [ 104.320280][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.320281][ T2215] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 104.320283][ T2215] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 104.320285][ T2215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 104.320286][ T2215] RIP: 0033:0x7fdf0dfd154e [ 104.320288][ 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 [ 104.320290][ T2215] RSP: 002b:00007ffe29468a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 104.320294][ T2215] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fdf0dfd154e [ 104.320295][ T2215] RDX: 0000000000000000 RSI: 00007ffe29468ad0 RDI: 0000000000000005 [ 104.320296][ T2215] RBP: 00007ffe29468a30 R08: 0000000000000000 R09: 0000000000000000 [ 104.320297][ T2215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee1e [ 104.320298][ T2215] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe294691a0 | [ 111.014903][ T69] softirqs last disabled at (453502): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 111.014905][ T69] Preemption disabled at: | [ 111.014905][ T69] 0x0 | [ 111.014915][ T69] Tainted: [W]=WARN [ 111.014916][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.014917][ T69] Workqueue: netns cleanup_net [ 111.014923][ T69] Call Trace: [ 111.014925][ T69] [ 111.014926][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 111.014932][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 111.014936][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 111.014940][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.014943][ T69] __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)) [ 111.014945][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.014948][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 111.014953][ T69] ? 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) [ 111.014954][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 111.014956][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 111.014958][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 111.014959][ T69] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 111.014962][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 111.014964][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 111.014968][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 111.014970][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.014972][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.014974][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 111.014977][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 111.014979][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.014980][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.014981][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.014982][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.014983][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 111.014985][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 111.014987][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 111.014990][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 111.014992][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.014993][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 111.014995][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.014996][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 111.014997][ T69] ? 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) [ 111.014999][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 111.015000][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 111.015002][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 111.015003][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 111.015005][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 111.015006][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.015007][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 111.015010][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 111.015011][ T69] _printk (kernel/printk/printk.c:2504) [ 111.015014][ T69] ? snapshot_read.cold (user.c:?) [ 111.015016][ T69] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 111.015019][ T69] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 111.015022][ T69] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 111.015024][ T69] br_device_event (net/bridge/br.c:111) [ 111.015025][ T69] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 111.015027][ T69] ? packet_sendmsg_spkt (af_packet.c:?) [ 111.015029][ T69] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 111.015031][ T69] notifier_call_chain (kernel/notifier.c:85) [ 111.015034][ T69] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 111.015037][ T69] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 111.015039][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.015041][ T69] ? __dev_close_many (net/core/dev.c:1804) [ 111.015042][ T69] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 111.015044][ T69] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 111.015046][ T69] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 111.015048][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 111.015050][ T69] ? kthread (kernel/kthread.c:436) [ 111.015052][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 111.015055][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 111.015057][ T69] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 111.015058][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.015059][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 111.015061][ T69] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 111.015063][ T69] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 111.015064][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.015066][ T69] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 111.015067][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 111.015069][ T69] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 111.015071][ T69] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 111.015073][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 111.015075][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 111.015078][ T69] cleanup_net (net/core/net_namespace.c:706) [ 111.015079][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 111.015081][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.015083][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.015084][ T69] process_one_work (kernel/workqueue.c:3387) [ 111.015087][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 111.015089][ T69] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 111.015091][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.015093][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 111.015095][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 111.015097][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 111.015099][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 111.015101][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 111.015102][ T69] kthread (kernel/kthread.c:436) [ 111.015104][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 111.015105][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 111.015107][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 111.015109][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 111.015111][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 111.015113][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 111.015115][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 112.796001][ T2413] softirqs last disabled at (0): 0x0 | [ 112.796003][ T2413] Preemption disabled at: | [ 112.796003][ T2413] vprintk_emit (kernel/printk/printk.c:2471) | [ 112.796013][ T2413] Tainted: [W]=WARN [ 112.796014][ T2413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 112.796016][ T2413] Call Trace: [ 112.796018][ T2413] [ 112.796019][ T2413] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 112.796024][ T2413] ? vprintk_emit (kernel/printk/printk.c:2471) [ 112.796025][ T2413] __might_resched.cold (kernel/sched/core.c:9234) [ 112.796029][ T2413] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 112.796032][ T2413] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 112.796036][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.796038][ 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)) [ 112.796041][ T2413] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 112.796043][ T2413] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 112.796048][ 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) [ 112.796050][ T2413] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 112.796052][ T2413] put_chars (drivers/char/virtio_console.c:1176) [ 112.796054][ T2413] ? __send_to_port (drivers/char/virtio_console.c:654) [ 112.796055][ T2413] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 112.796058][ T2413] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 112.796062][ T2413] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 112.796064][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.796065][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.796068][ T2413] console_emit_next_record (kernel/printk/printk.c:3183) [ 112.796070][ T2413] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 112.796072][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.796073][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.796074][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.796075][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.796077][ T2413] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 112.796079][ T2413] console_flush_one_record (kernel/printk/printk.c:3268) [ 112.796081][ T2413] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 112.796084][ T2413] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 112.796086][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.796088][ T2413] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 112.796089][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.796090][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 112.796092][ 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) [ 112.796093][ T2413] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 112.796094][ T2413] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 112.796096][ T2413] ? vprintk_emit (kernel/printk/printk.c:2478) [ 112.796097][ T2413] vprintk_emit (kernel/printk/printk.c:2479) [ 112.796099][ T2413] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 112.796100][ T2413] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 112.796102][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 112.796105][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.796106][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.796108][ T2413] _printk (kernel/printk/printk.c:2504) [ 112.796110][ T2413] ? snapshot_read.cold (user.c:?) [ 112.796112][ T2413] ? br_multicast_flood (??:?) [ 112.796116][ T2413] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 112.796118][ T2413] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 112.796119][ T2413] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 112.796121][ T2413] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 112.796124][ T2413] br_init_port (net/bridge/br_stp_if.c:39) [ 112.796126][ T2413] new_nbp (net/bridge/br_if.c:449) [ 112.796128][ T2413] br_add_if (net/bridge/br_if.c:592) [ 112.796129][ T2413] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 112.796133][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 112.796136][ T2413] do_set_master (net/core/rtnetlink.c:3071) [ 112.796137][ T2413] ? netif_change_flags (net/core/dev.c:9882) [ 112.796139][ T2413] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 112.796141][ T2413] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 112.796142][ T2413] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 112.796144][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.796145][ T2413] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 112.796148][ T2413] ? kasan_save_stack (mm/kasan/common.c:58) [ 112.796150][ T2413] ? kasan_save_stack (mm/kasan/common.c:57) [ 112.796151][ T2413] ? kasan_save_track (mm/kasan/common.c:78) [ 112.796152][ T2413] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 112.796153][ T2413] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 112.796154][ T2413] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 112.796155][ T2413] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 112.796156][ T2413] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 112.796159][ T2413] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 112.796161][ T2413] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 112.796162][ T2413] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 112.796164][ T2413] ? ____sys_sendmsg (net/socket.c:2713) [ 112.796166][ T2413] ? ___sys_sendmsg (net/socket.c:2767) [ 112.796167][ T2413] ? __sys_sendmsg (net/socket.c:2799) [ 112.796169][ T2413] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 112.796172][ T2413] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 112.796174][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.796175][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.796177][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.796178][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.796179][ T2413] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 112.796180][ 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) [ 112.796182][ T2413] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 112.796183][ T2413] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 112.796185][ T2413] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 112.796186][ T2413] ? nla_get_range_signed (lib/nlattr.c:270) [ 112.796189][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.796190][ T2413] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 112.796192][ T2413] rtnl_newlink (net/core/rtnetlink.c:4215) [ 112.796194][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.796195][ T2413] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 112.796196][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.796197][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.796199][ T2413] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 112.796201][ T2413] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 112.796202][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 112.796204][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.796205][ T2413] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 112.796208][ T2413] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 112.796211][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.796212][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.796213][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.796214][ T2413] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 112.796216][ T2413] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 112.796217][ T2413] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 112.796218][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 112.796220][ T2413] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 112.796222][ T2413] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 112.796224][ T2413] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 112.796225][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 112.796227][ T2413] ? netlink_ack (./include/linux/skbuff.h:2718) [ 112.796228][ T2413] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 112.796231][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.796232][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 112.796234][ T2413] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 112.796236][ T2413] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 112.796238][ T2413] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 112.796240][ T2413] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 112.796242][ T2413] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 112.796244][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 112.796245][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 112.796247][ T2413] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 112.796250][ T2413] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 112.796251][ T2413] ____sys_sendmsg (net/socket.c:2713) [ 112.796253][ T2413] ? copy_msghdr_from_user (net/socket.c:2650) [ 112.796255][ T2413] ? sock_write_iter (net/socket.c:1269) [ 112.796256][ T2413] ? move_addr_to_kernel (net/socket.c:258) [ 112.796257][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 112.796260][ T2413] ___sys_sendmsg (net/socket.c:2767) [ 112.796262][ T2413] ? copy_msghdr_from_user (net/socket.c:2619) [ 112.796266][ T2413] __sys_sendmsg (net/socket.c:2799) [ 112.796268][ T2413] ? __sys_sendmsg_sock (net/socket.c:2780) [ 112.796271][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 112.796272][ T2413] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 112.796274][ T2413] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 112.796276][ T2413] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 112.796281][ T2413] RIP: 0033:0x7f9777c8a54e [ 112.796282][ 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 [ 112.796284][ T2413] RSP: 002b:00007ffc161921d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 112.796287][ T2413] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9777c8a54e [ 112.796289][ T2413] RDX: 0000000000000000 RSI: 00007ffc16192280 RDI: 0000000000000005 [ 112.796290][ T2413] RBP: 00007ffc161921e0 R08: 0000000000000000 R09: 0000000000000000 [ 112.796291][ T2413] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee27 [ 112.796292][ T2413] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc16192950 | [ 119.542475][ T69] softirqs last disabled at (453502): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 119.542478][ T69] Preemption disabled at: | [ 119.542478][ T69] 0x0 | [ 119.542488][ T69] Tainted: [W]=WARN [ 119.542489][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 119.542490][ T69] Workqueue: netns cleanup_net [ 119.542497][ T69] Call Trace: [ 119.542498][ T69] [ 119.542500][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 119.542506][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 119.542509][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 119.542513][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.542516][ T69] __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)) [ 119.542519][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 119.542522][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 119.542527][ T69] ? 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) [ 119.542528][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 119.542531][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 119.542532][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 119.542533][ T69] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 119.542536][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 119.542539][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 119.542543][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 119.542545][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 119.542547][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.542549][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 119.542552][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 119.542554][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.542555][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.542555][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.542556][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.542558][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 119.542560][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 119.542562][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 119.542565][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 119.542567][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.542568][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 119.542570][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.542571][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 119.542573][ T69] ? 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) [ 119.542574][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 119.542576][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 119.542578][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 119.542579][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 119.542581][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 119.542582][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.542583][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 119.542586][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 119.542587][ T69] _printk (kernel/printk/printk.c:2504) [ 119.542590][ T69] ? snapshot_read.cold (user.c:?) [ 119.542592][ T69] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 119.542595][ T69] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 119.542599][ T69] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 119.542601][ T69] br_device_event (net/bridge/br.c:111) [ 119.542603][ T69] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 119.542605][ T69] ? packet_sendmsg_spkt (af_packet.c:?) [ 119.542606][ T69] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 119.542609][ T69] notifier_call_chain (kernel/notifier.c:85) [ 119.542612][ T69] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 119.542615][ T69] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 119.542617][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.542619][ T69] ? __dev_close_many (net/core/dev.c:1804) [ 119.542621][ T69] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 119.542623][ T69] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 119.542625][ T69] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 119.542626][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 119.542629][ T69] ? kthread (kernel/kthread.c:436) [ 119.542631][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 119.542633][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 119.542635][ T69] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 119.542637][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.542638][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 119.542640][ T69] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 119.542641][ T69] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 119.542643][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.542644][ T69] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 119.542646][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 119.542647][ T69] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 119.542650][ T69] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 119.542652][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 119.542654][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 119.542657][ T69] cleanup_net (net/core/net_namespace.c:706) [ 119.542659][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 119.542661][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 119.542662][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 119.542664][ T69] process_one_work (kernel/workqueue.c:3387) [ 119.542666][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 119.542668][ T69] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 119.542670][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 119.542673][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 119.542675][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 119.542677][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 119.542678][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 119.542680][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 119.542682][ T69] kthread (kernel/kthread.c:436) [ 119.542683][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 119.542685][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 119.542687][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 119.542688][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 119.542690][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 119.542693][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 119.542695][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 121.372665][ T2621] softirqs last disabled at (0): 0x0 | [ 121.372666][ T2621] Preemption disabled at: | [ 121.372667][ T2621] vprintk_emit (kernel/printk/printk.c:2471) | [ 121.372676][ T2621] Tainted: [W]=WARN [ 121.372677][ T2621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 121.372679][ T2621] Call Trace: [ 121.372681][ T2621] [ 121.372682][ T2621] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 121.372687][ T2621] ? vprintk_emit (kernel/printk/printk.c:2471) [ 121.372688][ T2621] __might_resched.cold (kernel/sched/core.c:9234) [ 121.372692][ T2621] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 121.372695][ T2621] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 121.372699][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.372701][ T2621] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 121.372704][ T2621] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 121.372707][ T2621] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 121.372711][ T2621] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 121.372713][ T2621] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 121.372716][ T2621] put_chars (drivers/char/virtio_console.c:1176) [ 121.372717][ T2621] ? __send_to_port (drivers/char/virtio_console.c:654) [ 121.372718][ T2621] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 121.372721][ T2621] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 121.372726][ T2621] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 121.372727][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.372729][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.372731][ T2621] console_emit_next_record (kernel/printk/printk.c:3183) [ 121.372734][ T2621] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 121.372736][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.372736][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.372737][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.372738][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.372740][ T2621] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 121.372742][ T2621] console_flush_one_record (kernel/printk/printk.c:3268) [ 121.372744][ T2621] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 121.372747][ T2621] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 121.372749][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.372750][ T2621] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 121.372752][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.372753][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 121.372754][ T2621] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 121.372756][ T2621] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 121.372757][ T2621] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 121.372759][ T2621] ? vprintk_emit (kernel/printk/printk.c:2478) [ 121.372760][ T2621] vprintk_emit (kernel/printk/printk.c:2479) [ 121.372762][ T2621] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 121.372763][ T2621] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 121.372765][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 121.372768][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.372769][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.372770][ T2621] _printk (kernel/printk/printk.c:2504) [ 121.372773][ T2621] ? snapshot_read.cold (user.c:?) [ 121.372775][ T2621] ? br_multicast_flood (??:?) [ 121.372779][ T2621] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 121.372781][ T2621] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 121.372782][ T2621] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 121.372784][ T2621] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 121.372787][ T2621] br_init_port (net/bridge/br_stp_if.c:39) [ 121.372788][ T2621] new_nbp (net/bridge/br_if.c:449) [ 121.372790][ T2621] br_add_if (net/bridge/br_if.c:592) [ 121.372792][ T2621] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 121.372795][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 121.372798][ T2621] do_set_master (net/core/rtnetlink.c:3071) [ 121.372799][ T2621] ? netif_change_flags (net/core/dev.c:9882) [ 121.372802][ T2621] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 121.372803][ T2621] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 121.372805][ T2621] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 121.372806][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.372807][ T2621] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 121.372810][ T2621] ? kasan_save_stack (mm/kasan/common.c:58) [ 121.372812][ T2621] ? kasan_save_stack (mm/kasan/common.c:57) [ 121.372813][ T2621] ? kasan_save_track (mm/kasan/common.c:78) [ 121.372816][ T2621] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 121.372817][ T2621] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 121.372819][ T2621] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 121.372820][ T2621] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 121.372821][ T2621] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 121.372823][ T2621] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 121.372825][ T2621] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 121.372826][ T2621] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 121.372828][ T2621] ? ____sys_sendmsg (net/socket.c:2713) [ 121.372830][ T2621] ? ___sys_sendmsg (net/socket.c:2767) [ 121.372831][ T2621] ? __sys_sendmsg (net/socket.c:2799) [ 121.372833][ T2621] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 121.372836][ T2621] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 121.372838][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.372839][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.372841][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.372842][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.372843][ T2621] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 121.372844][ T2621] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 121.372846][ T2621] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 121.372847][ T2621] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 121.372849][ T2621] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 121.372849][ T2621] ? nla_get_range_signed (lib/nlattr.c:270) [ 121.372853][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.372854][ T2621] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 121.372856][ T2621] rtnl_newlink (net/core/rtnetlink.c:4215) [ 121.372858][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.372859][ T2621] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 121.372860][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.372861][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.372862][ T2621] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 121.372865][ T2621] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 121.372866][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 121.372867][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.372868][ T2621] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 121.372872][ T2621] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 121.372874][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.372875][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.372877][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.372878][ T2621] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 121.372879][ T2621] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 121.372880][ T2621] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 121.372882][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 121.372883][ T2621] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 121.372885][ T2621] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 121.372887][ T2621] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 121.372888][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 121.372890][ T2621] ? netlink_ack (./include/linux/skbuff.h:2718) [ 121.372891][ T2621] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 121.372894][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.372895][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 121.372897][ T2621] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 121.372899][ T2621] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 121.372901][ T2621] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 121.372903][ T2621] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 121.372905][ T2621] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 121.372906][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 121.372908][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.372909][ T2621] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 121.372912][ T2621] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 121.372914][ T2621] ____sys_sendmsg (net/socket.c:2713) [ 121.372916][ T2621] ? copy_msghdr_from_user (net/socket.c:2650) [ 121.372917][ T2621] ? sock_write_iter (net/socket.c:1269) [ 121.372919][ T2621] ? move_addr_to_kernel (net/socket.c:258) [ 121.372920][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 121.372922][ T2621] ___sys_sendmsg (net/socket.c:2767) [ 121.372924][ T2621] ? copy_msghdr_from_user (net/socket.c:2619) [ 121.372929][ T2621] __sys_sendmsg (net/socket.c:2799) [ 121.372931][ T2621] ? __sys_sendmsg_sock (net/socket.c:2780) [ 121.372933][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.372935][ T2621] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 121.372936][ T2621] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 121.372938][ T2621] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 121.372940][ T2621] RIP: 0033:0x7f119770f54e [ 121.372941][ T2621] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 121.372943][ T2621] RSP: 002b:00007fffb10fb530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 121.372947][ T2621] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f119770f54e [ 121.372948][ T2621] RDX: 0000000000000000 RSI: 00007fffb10fb5e0 RDI: 0000000000000005 [ 121.372949][ T2621] RBP: 00007fffb10fb540 R08: 0000000000000000 R09: 0000000000000000 [ 121.372950][ T2621] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee2f [ 121.372951][ T2621] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb10fbcb0 | [ 128.540324][ T69] softirqs last disabled at (453502): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 128.540326][ T69] Preemption disabled at: | [ 128.540326][ T69] 0x0 | [ 128.540336][ T69] Tainted: [W]=WARN [ 128.540338][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 128.540339][ T69] Workqueue: netns cleanup_net [ 128.540345][ T69] Call Trace: [ 128.540347][ T69] [ 128.540349][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 128.540354][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 128.540358][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 128.540362][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.540365][ T69] __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)) [ 128.540367][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 128.540370][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 128.540375][ T69] ? 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) [ 128.540376][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 128.540379][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 128.540380][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 128.540381][ T69] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 128.540384][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 128.540393][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 128.540397][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 128.540399][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 128.540401][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.540403][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 128.540406][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 128.540408][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.540409][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.540410][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.540411][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.540413][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 128.540415][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 128.540417][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 128.540419][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 128.540421][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.540423][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 128.540424][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.540425][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 128.540427][ T69] ? 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) [ 128.540428][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 128.540430][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 128.540432][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 128.540433][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 128.540435][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 128.540436][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.540437][ T69] ? clockevents_tick_resume (kernel/time/clockevents.c:193) [ 128.540441][ T69] _printk (kernel/printk/printk.c:2504) [ 128.540444][ T69] ? snapshot_read.cold (user.c:?) [ 128.540445][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 128.540448][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 128.540450][ T69] ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167) [ 128.540452][ T69] ? irqentry_enter (./include/linux/irq-entry-common.h:439 kernel/entry/common.c:120) [ 128.540453][ T69] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 128.540455][ T69] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 128.540459][ T69] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 128.540460][ T69] br_device_event (net/bridge/br.c:111) [ 128.540462][ T69] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 128.540464][ T69] ? packet_sendmsg_spkt (af_packet.c:?) [ 128.540466][ T69] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 128.540469][ T69] notifier_call_chain (kernel/notifier.c:85) [ 128.540471][ T69] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 128.540474][ T69] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 128.540476][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.540477][ T69] ? __dev_close_many (net/core/dev.c:1804) [ 128.540479][ T69] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 128.540481][ T69] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 128.540483][ T69] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 128.540485][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 128.540488][ T69] ? kthread (kernel/kthread.c:436) [ 128.540489][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 128.540492][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 128.540494][ T69] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 128.540496][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.540497][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 128.540499][ T69] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 128.540500][ T69] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 128.540502][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.540503][ T69] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 128.540504][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 128.540506][ T69] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 128.540509][ T69] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 128.540511][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 128.540513][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 128.540515][ T69] cleanup_net (net/core/net_namespace.c:706) [ 128.540517][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 128.540519][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.540520][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.540522][ T69] process_one_work (kernel/workqueue.c:3387) [ 128.540525][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 128.540527][ T69] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 128.540529][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 128.540531][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 128.540533][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 128.540535][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 128.540537][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 128.540539][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 128.540540][ T69] kthread (kernel/kthread.c:436) [ 128.540542][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 128.540543][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 128.540545][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 128.540546][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 128.540548][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 128.540551][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 128.540553][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 130.329286][ T2842] softirqs last disabled at (0): 0x0 | [ 130.329287][ T2842] Preemption disabled at: | [ 130.329288][ T2842] vprintk_emit (kernel/printk/printk.c:2471) | [ 130.329297][ T2842] Tainted: [W]=WARN [ 130.329298][ T2842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 130.329300][ T2842] Call Trace: [ 130.329302][ T2842] [ 130.329303][ T2842] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 130.329308][ T2842] ? vprintk_emit (kernel/printk/printk.c:2471) [ 130.329309][ T2842] __might_resched.cold (kernel/sched/core.c:9234) [ 130.329313][ T2842] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 130.329316][ T2842] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 130.329319][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.329322][ T2842] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 130.329324][ T2842] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 130.329327][ T2842] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 130.329331][ T2842] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 130.329333][ T2842] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 130.329336][ T2842] put_chars (drivers/char/virtio_console.c:1176) [ 130.329337][ T2842] ? __send_to_port (drivers/char/virtio_console.c:654) [ 130.329339][ T2842] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 130.329341][ T2842] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 130.329346][ T2842] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 130.329348][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.329349][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.329351][ T2842] console_emit_next_record (kernel/printk/printk.c:3183) [ 130.329354][ T2842] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 130.329356][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.329357][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.329358][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.329359][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.329360][ T2842] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 130.329362][ T2842] console_flush_one_record (kernel/printk/printk.c:3268) [ 130.329364][ T2842] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 130.329367][ T2842] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 130.329369][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.329371][ T2842] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 130.329372][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.329373][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 130.329375][ T2842] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 130.329376][ T2842] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 130.329378][ T2842] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 130.329380][ T2842] ? vprintk_emit (kernel/printk/printk.c:2478) [ 130.329381][ T2842] vprintk_emit (kernel/printk/printk.c:2479) [ 130.329383][ T2842] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 130.329384][ T2842] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 130.329386][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 130.329388][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.329390][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.329391][ T2842] _printk (kernel/printk/printk.c:2504) [ 130.329398][ T2842] ? snapshot_read.cold (user.c:?) [ 130.329400][ T2842] ? br_multicast_flood (??:?) [ 130.329404][ T2842] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 130.329406][ T2842] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 130.329407][ T2842] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 130.329409][ T2842] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 130.329412][ T2842] br_init_port (net/bridge/br_stp_if.c:39) [ 130.329414][ T2842] new_nbp (net/bridge/br_if.c:449) [ 130.329416][ T2842] br_add_if (net/bridge/br_if.c:592) [ 130.329418][ T2842] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 130.329421][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 130.329424][ T2842] do_set_master (net/core/rtnetlink.c:3071) [ 130.329425][ T2842] ? netif_change_flags (net/core/dev.c:9882) [ 130.329427][ T2842] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 130.329429][ T2842] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 130.329430][ T2842] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 130.329431][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.329432][ T2842] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 130.329436][ T2842] ? kasan_save_stack (mm/kasan/common.c:58) [ 130.329438][ T2842] ? kasan_save_stack (mm/kasan/common.c:57) [ 130.329439][ T2842] ? kasan_save_track (mm/kasan/common.c:78) [ 130.329440][ T2842] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 130.329441][ T2842] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 130.329442][ T2842] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 130.329443][ T2842] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 130.329444][ T2842] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 130.329446][ T2842] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 130.329448][ T2842] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 130.329449][ T2842] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 130.329452][ T2842] ? ____sys_sendmsg (net/socket.c:2713) [ 130.329453][ T2842] ? ___sys_sendmsg (net/socket.c:2767) [ 130.329454][ T2842] ? __sys_sendmsg (net/socket.c:2799) [ 130.329456][ T2842] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 130.329459][ T2842] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 130.329461][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.329463][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.329464][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.329465][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.329466][ T2842] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 130.329468][ T2842] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 130.329469][ T2842] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 130.329470][ T2842] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 130.329472][ T2842] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 130.329473][ T2842] ? nla_get_range_signed (lib/nlattr.c:270) [ 130.329476][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.329477][ T2842] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 130.329479][ T2842] rtnl_newlink (net/core/rtnetlink.c:4215) [ 130.329481][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.329482][ T2842] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 130.329483][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.329484][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.329486][ T2842] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 130.329488][ T2842] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 130.329490][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 130.329491][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.329492][ T2842] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 130.329495][ T2842] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 130.329497][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.329498][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.329500][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.329501][ T2842] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 130.329502][ T2842] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 130.329504][ T2842] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 130.329505][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 130.329506][ T2842] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 130.329509][ T2842] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 130.329510][ T2842] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 130.329511][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 130.329513][ T2842] ? netlink_ack (./include/linux/skbuff.h:2718) [ 130.329514][ T2842] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 130.329517][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.329519][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 130.329521][ T2842] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 130.329523][ T2842] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 130.329524][ T2842] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 130.329526][ T2842] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 130.329528][ T2842] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 130.329530][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 130.329531][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.329533][ T2842] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 130.329536][ T2842] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 130.329538][ T2842] ____sys_sendmsg (net/socket.c:2713) [ 130.329540][ T2842] ? copy_msghdr_from_user (net/socket.c:2650) [ 130.329541][ T2842] ? sock_write_iter (net/socket.c:1269) [ 130.329543][ T2842] ? move_addr_to_kernel (net/socket.c:258) [ 130.329544][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 130.329547][ T2842] ___sys_sendmsg (net/socket.c:2767) [ 130.329548][ T2842] ? copy_msghdr_from_user (net/socket.c:2619) [ 130.329553][ T2842] __sys_sendmsg (net/socket.c:2799) [ 130.329555][ T2842] ? __sys_sendmsg_sock (net/socket.c:2780) [ 130.329558][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.329559][ T2842] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 130.329561][ T2842] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 130.329563][ T2842] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 130.329564][ T2842] RIP: 0033:0x7f0ec098054e [ 130.329566][ T2842] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 130.329567][ T2842] RSP: 002b:00007ffd25d65c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 130.329571][ T2842] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0ec098054e [ 130.329573][ T2842] RDX: 0000000000000000 RSI: 00007ffd25d65ce0 RDI: 0000000000000005 [ 130.329574][ T2842] RBP: 00007ffd25d65c40 R08: 0000000000000000 R09: 0000000000000000 [ 130.329574][ T2842] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ee38 [ 130.329575][ T2842] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd25d663b0 | [ 137.596988][ T69] softirqs last disabled at (453502): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 137.596990][ T69] Preemption disabled at: | [ 137.596991][ T69] 0x0 | [ 137.597001][ T69] Tainted: [W]=WARN [ 137.597002][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 137.597004][ T69] Workqueue: netns cleanup_net [ 137.597009][ T69] Call Trace: [ 137.597011][ T69] [ 137.597012][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 137.597018][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 137.597022][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 137.597026][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.597029][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 137.597032][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 137.597035][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 137.597040][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 137.597042][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 137.597044][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 137.597046][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 137.597047][ T69] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 137.597050][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 137.597052][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 137.597057][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 137.597059][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 137.597060][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.597063][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 137.597065][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 137.597068][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.597069][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.597070][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.597071][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.597072][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 137.597074][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 137.597077][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 137.597079][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 137.597081][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.597083][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 137.597085][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.597085][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 137.597087][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 137.597089][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 137.597090][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 137.597092][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 137.597093][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 137.597095][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 137.597096][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.597097][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 137.597101][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 137.597102][ T69] _printk (kernel/printk/printk.c:2504) [ 137.597105][ T69] ? snapshot_read.cold (user.c:?) [ 137.597107][ T69] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 137.597110][ T69] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 137.597114][ T69] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 137.597116][ T69] br_device_event (net/bridge/br.c:111) [ 137.597118][ T69] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 137.597120][ T69] ? packet_sendmsg_spkt (af_packet.c:?) [ 137.597122][ T69] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 137.597125][ T69] notifier_call_chain (kernel/notifier.c:85) [ 137.597128][ T69] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 137.597130][ T69] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 137.597133][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.597134][ T69] ? __dev_close_many (net/core/dev.c:1804) [ 137.597136][ T69] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 137.597138][ T69] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 137.597140][ T69] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 137.597142][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 137.597144][ T69] ? kthread (kernel/kthread.c:436) [ 137.597146][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 137.597149][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 137.597151][ T69] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 137.597152][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.597153][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 137.597155][ T69] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 137.597157][ T69] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 137.597158][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.597160][ T69] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 137.597161][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 137.597163][ T69] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 137.597166][ T69] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 137.597168][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 137.597170][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 137.597173][ T69] cleanup_net (net/core/net_namespace.c:706) [ 137.597174][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 137.597176][ T69] ? update_load_avg (kernel/sched/fair.c:5864) [ 137.597179][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 137.597180][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 137.597182][ T69] process_one_work (kernel/workqueue.c:3387) [ 137.597185][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 137.597187][ T69] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 137.597189][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 137.597191][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 137.597193][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 137.597195][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 137.597197][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 137.597199][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 137.597200][ T69] kthread (kernel/kthread.c:436) [ 137.597202][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 137.597203][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 137.597205][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 137.597207][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 137.597209][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 137.597212][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock __fib6_clean_all:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print addrconf_permanent_addr:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars