====================================== | [ 10.291787][ T210] softirqs last disabled at (27426): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 10.291789][ T210] Preemption disabled at: | [ 10.291790][ T210] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.291799][ T210] Tainted: [W]=WARN [ 10.291800][ T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.291801][ T210] Call Trace: [ 10.291803][ T210] [ 10.291805][ T210] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.291811][ T210] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.291812][ T210] __might_resched.cold (kernel/sched/core.c:9234) [ 10.291817][ T210] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.291821][ T210] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.291826][ T210] __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)) [ 10.291827][ T210] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.291834][ T210] ? 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) [ 10.291837][ T210] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.291841][ T210] put_chars (drivers/char/virtio_console.c:1176) [ 10.291843][ T210] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.291846][ T210] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.291851][ T210] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.291859][ T210] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.291862][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.291865][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.291869][ T210] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.291872][ T210] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.291874][ T210] ? 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)) [ 10.291878][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.291879][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.291883][ T210] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.291887][ T210] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.291889][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.291895][ T210] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.291898][ T210] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.291900][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.291901][ T210] ? 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) [ 10.291905][ T210] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.291907][ T210] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.291910][ T210] vprintk_emit (kernel/printk/printk.c:2479) [ 10.291913][ T210] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.291914][ T210] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.291916][ T210] ? __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) [ 10.291919][ T210] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.291922][ T210] _printk (kernel/printk/printk.c:2504) [ 10.291926][ T210] ? snapshot_read.cold (user.c:?) [ 10.291929][ T210] ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) [ 10.291934][ T210] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 10.291938][ T210] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 10.291942][ T210] br_init_port (net/bridge/br_stp_if.c:39) [ 10.291944][ T210] new_nbp (net/bridge/br_if.c:449) [ 10.291948][ T210] br_add_if (net/bridge/br_if.c:592) [ 10.291950][ T210] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 10.291952][ T210] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.291958][ T210] do_set_master (net/core/rtnetlink.c:3071) [ 10.291962][ T210] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.291966][ T210] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.291969][ T210] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.291971][ T210] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.291973][ T210] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.291977][ T210] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.291979][ T210] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.291981][ T210] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.291984][ T210] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.291986][ T210] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.291987][ T210] ? kasan_save_track (mm/kasan/common.c:78) [ 10.291989][ T210] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.291991][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.291993][ T210] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 10.291996][ T210] ? ___sys_sendmsg (net/socket.c:2758) [ 10.291999][ T210] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.292001][ T210] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.292004][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.292006][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.292007][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.292008][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.292010][ T210] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.292012][ T210] ? __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) [ 10.292013][ T210] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.292015][ T210] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.292019][ T210] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.292020][ T210] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.292025][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.292027][ T210] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.292032][ T210] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.292038][ T210] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.292040][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.292044][ T210] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.292046][ T210] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.292048][ T210] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.292050][ T210] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.292054][ T210] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.292056][ T210] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.292059][ T210] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.292061][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.292065][ T210] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.292067][ T210] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.292071][ T210] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.292074][ T210] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.292077][ T210] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.292083][ T210] ? 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)) [ 10.292085][ T210] ? 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)) [ 10.292090][ T210] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.292094][ T210] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.292096][ T210] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.292101][ T210] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.292105][ T210] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.292109][ T210] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.292112][ T210] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.292117][ T210] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.292120][ T210] ____sys_sendmsg (net/socket.c:2713) [ 10.292123][ T210] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.292125][ T210] ? sock_write_iter (net/socket.c:1269) [ 10.292126][ T210] ? move_addr_to_kernel (net/socket.c:258) [ 10.292134][ T210] ___sys_sendmsg (net/socket.c:2767) [ 10.292136][ T210] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.292152][ T210] __sys_sendmsg (net/socket.c:2799) [ 10.292155][ T210] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.292161][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.292164][ T210] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.292167][ T210] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.292170][ T210] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.292173][ T210] RIP: 0033:0x7f7465b3554e [ 10.292176][ T210] 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 [ 10.292178][ T210] RSP: 002b:00007ffddfd6c160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.292181][ T210] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7465b3554e [ 10.292182][ T210] RDX: 0000000000000000 RSI: 00007ffddfd6c210 RDI: 0000000000000005 [ 10.292183][ T210] RBP: 00007ffddfd6c170 R08: 0000000000000000 R09: 0000000000000000 [ 10.292184][ T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919e80 [ 10.292185][ T210] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffddfd6c8e0 | [ 12.809188][ T12] softirqs last disabled at (1704): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 12.809190][ T12] Preemption disabled at: | [ 12.809191][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.809199][ T12] Tainted: [W]=WARN [ 12.809200][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.809201][ T12] Workqueue: netns cleanup_net [ 12.809204][ T12] Call Trace: [ 12.809206][ T12] [ 12.809207][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.809214][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.809215][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 12.809220][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.809224][ 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) [ 12.809229][ 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)) [ 12.809231][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.809237][ 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) [ 12.809240][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.809244][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 12.809247][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.809250][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.809255][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.809259][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.809265][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.809268][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.809273][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.809278][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.809283][ 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)) [ 12.809287][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.809289][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.809293][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.809300][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.809302][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.809307][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.809310][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.809312][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.809314][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 12.809318][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.809320][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.809322][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 12.809326][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.809327][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.809329][ T12] ? __queue_work (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/workqueue.c:808 kernel/workqueue.c:836 kernel/workqueue.c:2364) [ 12.809334][ T12] _printk (kernel/printk/printk.c:2504) [ 12.809338][ T12] ? snapshot_read.cold (user.c:?) [ 12.809341][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.809342][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.809343][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.809345][ T12] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.809346][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.809350][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.809354][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.809357][ T12] ? netdev_notice (net/core/dev.c:13194) [ 12.809366][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 12.809370][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 12.809373][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 12.809376][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 12.809378][ T12] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 12.809383][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 12.809387][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 12.809390][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 12.809395][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 12.809397][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.809403][ T12] cleanup_net (net/core/net_namespace.c:706) [ 12.809406][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 12.809410][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.809412][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.809415][ T12] process_one_work (kernel/workqueue.c:3387) [ 12.809422][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.809425][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.809433][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.809440][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.809442][ T12] kthread (kernel/kthread.c:436) [ 12.809445][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.809448][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.809451][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.809455][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.809459][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.809462][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars