====================================== | [ 9.318737][ T184] softirqs last disabled at (23748): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.318739][ T184] Preemption disabled at: | [ 9.318740][ T184] 0x0 | [ 9.318749][ T184] Tainted: [W]=WARN [ 9.318750][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.318752][ T184] Call Trace: [ 9.318753][ T184] [ 9.318755][ T184] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.318760][ T184] __might_resched.cold (kernel/sched/core.c:9234) [ 9.318764][ T184] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.318768][ T184] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.318772][ T184] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.318775][ T184] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.318781][ T184] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.318783][ T184] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.318787][ T184] put_chars (drivers/char/virtio_console.c:1176) [ 9.318789][ T184] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.318796][ T184] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.318802][ T184] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.318805][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.318809][ T184] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.318813][ T184] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.318814][ T184] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.318817][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.318820][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.318824][ T184] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.318827][ T184] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.318828][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.318833][ T184] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.318836][ T184] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.318837][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.318839][ T184] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.318847][ T184] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.318849][ T184] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.318851][ T184] vprintk_emit (kernel/printk/printk.c:2479) [ 9.318855][ T184] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.318857][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.318861][ T184] _printk (kernel/printk/printk.c:2504) [ 9.318865][ T184] ? snapshot_read.cold (user.c:?) [ 9.318867][ T184] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.318870][ T184] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.318874][ T184] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.318876][ T184] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.318880][ T184] ? exit_notify (kernel/exit.c:780) [ 9.318882][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.318884][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.318888][ T184] do_group_exit (kernel/exit.c:1151) [ 9.318891][ T184] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.318893][ T184] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.318896][ T184] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.318899][ T184] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.318902][ T184] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.318904][ T184] RIP: 0033:0x7f1c381711b8 [ 9.318906][ T184] Code: Unable to access opcode bytes at 0x7f1c3817118e. Code starting with the faulting instruction =========================================== [ 9.318907][ T184] RSP: 002b:00007ffd253e2d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.318910][ T184] RAX: ffffffffffffffda RBX: 00007f1c382a1f88 RCX: 00007f1c381711b8 [ 9.318911][ T184] RDX: 00007f1c37ebbfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.318912][ T184] RBP: 00007ffd253e2d80 R08: 0000000000000000 R09: 0000000000000050 [ 9.318913][ T184] R10: 00007ffd253e2b40 R11: 0000000000000246 R12: 0000000000000001 [ 9.318913][ T184] R13: 0000000000000000 R14: 00007f1c382a0680 R15: 00007f1c382a1fa0 | [ 10.623133][ T225] softirqs last disabled at (16708): br_stp_enable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:53) bridge | [ 10.623142][ T225] Preemption disabled at: | [ 10.623143][ T225] 0x0 | [ 10.623153][ T225] Tainted: [W]=WARN [ 10.623154][ T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.623155][ T225] Call Trace: [ 10.623157][ T225] [ 10.623159][ T225] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.623164][ T225] __might_resched.cold (kernel/sched/core.c:9234) [ 10.623168][ T225] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.623171][ T225] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.623176][ T225] __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)) [ 10.623179][ T225] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.623185][ T225] ? 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) [ 10.623187][ T225] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.623191][ T225] put_chars (drivers/char/virtio_console.c:1176) [ 10.623194][ T225] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.623197][ T225] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.623202][ T225] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.623205][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.623206][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.623211][ T225] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.623212][ T225] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 10.623215][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.623218][ T225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.623222][ T225] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.623225][ T225] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.623226][ T225] ? 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)) [ 10.623229][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.623231][ T225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.623235][ T225] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.623238][ T225] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.623239][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.623245][ T225] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.623247][ T225] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.623248][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.623250][ T225] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.623253][ T225] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.623255][ T225] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.623258][ T225] vprintk_emit (kernel/printk/printk.c:2479) [ 10.623261][ T225] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.623266][ T225] _printk (kernel/printk/printk.c:2504) [ 10.623269][ T225] ? snapshot_read.cold (user.c:?) [ 10.623272][ T225] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 10.623275][ T225] ? try_to_grab_pending (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 kernel/workqueue.c:2158) [ 10.623277][ T225] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.623281][ T225] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.623286][ T225] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 10.623299][ T225] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 10.623309][ T225] br_stp_enable_bridge (net/bridge/br_stp_if.c:93 net/bridge/br_stp_if.c:62) bridge [ 10.623318][ T225] br_dev_open (net/bridge/br_device.c:170) bridge [ 10.623326][ T225] __dev_open (net/core/dev.c:1724) [ 10.623329][ T225] ? netif_state_change (./include/net/netdev_lock.h:33) [ 10.623331][ T225] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.623333][ T225] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.623337][ T225] __dev_change_flags (net/core/dev.c:9812) [ 10.623340][ T225] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 10.623343][ T225] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.623345][ T225] ? __kernel_text_address (kernel/extable.c:79) [ 10.623347][ T225] ? write_profile (profile.c:?) [ 10.623351][ T225] netif_change_flags (net/core/dev.c:9877) [ 10.623355][ T225] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 10.623358][ T225] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.623361][ T225] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.623362][ T225] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.623365][ T225] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.623370][ T225] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.623373][ T225] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.623374][ T225] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.623377][ T225] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.623380][ T225] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.623382][ T225] ? kasan_save_track (mm/kasan/common.c:78) [ 10.623384][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.623386][ T225] ? netlink_update_listeners (net/netlink/af_netlink.c:532) [ 10.623389][ T225] ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763) [ 10.623394][ T225] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.623396][ T225] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.623398][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.623400][ T225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.623402][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.623403][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.623405][ T225] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.623407][ T225] ? __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) [ 10.623409][ T225] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.623412][ T225] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.623415][ T225] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.623420][ T225] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.623425][ T225] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.623430][ T225] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.623432][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.623437][ T225] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.623439][ T225] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.623441][ T225] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.623442][ T225] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.623446][ T225] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.623448][ T225] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.623451][ T225] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.623452][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.623457][ T225] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.623459][ T225] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.623462][ T225] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.623464][ T225] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.623467][ T225] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.623473][ T225] ? 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)) [ 10.623474][ T225] ? 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)) [ 10.623478][ T225] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.623482][ T225] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.623484][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3)) [ 10.623488][ T225] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.623492][ T225] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.623493][ T225] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.623496][ T225] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.623500][ T225] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.623504][ T225] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 10.623506][ T225] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.623508][ T225] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 10.623510][ T225] ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1)) [ 10.623517][ T225] ___sys_sendmsg (net/socket.c:2767) [ 10.623520][ T225] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.623535][ T225] __sys_sendmsg (net/socket.c:2799) [ 10.623538][ T225] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.623544][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.623547][ T225] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.623549][ T225] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.623552][ T225] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.623554][ T225] RIP: 0033:0x7fa966b3d54e [ 10.623557][ T225] 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 [ 10.623558][ T225] RSP: 002b:00007ffcfafbf030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.623560][ T225] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa966b3d54e [ 10.623562][ T225] RDX: 0000000000000000 RSI: 00007ffcfafbf0e0 RDI: 0000000000000005 [ 10.623563][ T225] RBP: 00007ffcfafbf040 R08: 0000000000000000 R09: 0000000000000000 [ 10.623563][ T225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9169c9 [ 10.623564][ T225] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfafbf7b0 | [ 12.705928][ T12] softirqs last disabled at (19348): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan | [ 12.705932][ T12] Preemption disabled at: | [ 12.705933][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.705941][ T12] Tainted: [W]=WARN [ 12.705942][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.705943][ T12] Workqueue: netns cleanup_net [ 12.705946][ T12] Call Trace: [ 12.705948][ T12] [ 12.705950][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.705955][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.705956][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 12.705961][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.705964][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.705969][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.705972][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.705978][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.705981][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.705984][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 12.705987][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.705990][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.705995][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.705998][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.706004][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.706006][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.706012][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.706016][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.706017][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.706019][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.706021][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.706026][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.706029][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.706030][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.706036][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.706038][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.706040][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.706042][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.706045][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.706047][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.706050][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 12.706053][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.706055][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 12.706056][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.706058][ T12] ? kthread (kernel/kthread.c:436) [ 12.706060][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 12.706063][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 12.706068][ T12] _printk (kernel/printk/printk.c:2504) [ 12.706072][ T12] ? snapshot_read.cold (user.c:?) [ 12.706076][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.706079][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.706083][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.706086][ T12] ? netdev_notice (net/core/dev.c:13194) [ 12.706090][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.706092][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 12.706094][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 12.706096][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 12.706099][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 12.706104][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 12.706108][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 12.706121][ T12] br_dev_delete (net/bridge/br_if.c:387) bridge [ 12.706130][ T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 12.706138][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 12.706142][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.706146][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 12.706148][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.706151][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 12.706156][ T12] cleanup_net (net/core/net_namespace.c:706) [ 12.706159][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 12.706162][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.706164][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.706168][ T12] process_one_work (kernel/workqueue.c:3387) [ 12.706174][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.706176][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.706184][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.706190][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.706192][ T12] kthread (kernel/kthread.c:436) [ 12.706194][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.706197][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.706200][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.706203][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.706206][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.706209][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: vxlan_flush:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars br_stp_enable_bridge:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print