====================================== | [ 10.508348][ T210] softirqs last disabled at (24240): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 10.508351][ T210] Preemption disabled at: | [ 10.508352][ T210] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.508360][ T210] Tainted: [W]=WARN [ 10.508361][ T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.508363][ T210] Call Trace: [ 10.508364][ T210] [ 10.508366][ T210] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.508372][ T210] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.508374][ T210] __might_resched.cold (kernel/sched/core.c:9234) [ 10.508378][ T210] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.508382][ 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) [ 10.508387][ 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)) [ 10.508389][ T210] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.508395][ 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) [ 10.508398][ T210] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.508402][ T210] put_chars (drivers/char/virtio_console.c:1176) [ 10.508404][ T210] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.508407][ T210] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.508412][ T210] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.508420][ T210] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.508423][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.508426][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.508429][ T210] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.508433][ T210] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.508435][ 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)) [ 10.508442][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.508444][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.508448][ T210] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.508453][ T210] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.508454][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.508460][ T210] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.508463][ T210] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.508464][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.508466][ 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) [ 10.508470][ T210] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.508471][ T210] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.508474][ T210] vprintk_emit (kernel/printk/printk.c:2479) [ 10.508477][ T210] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.508478][ T210] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.508481][ 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) [ 10.508483][ T210] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.508487][ T210] _printk (kernel/printk/printk.c:2504) [ 10.508490][ T210] ? snapshot_read.cold (user.c:?) [ 10.508493][ T210] ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) [ 10.508498][ T210] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 10.508502][ T210] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 10.508505][ T210] br_init_port (net/bridge/br_stp_if.c:39) [ 10.508508][ T210] new_nbp (net/bridge/br_if.c:449) [ 10.508512][ T210] br_add_if (net/bridge/br_if.c:592) [ 10.508514][ T210] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 10.508515][ T210] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.508522][ T210] do_set_master (net/core/rtnetlink.c:3071) [ 10.508526][ T210] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.508529][ T210] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.508532][ T210] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.508534][ T210] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.508537][ T210] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.508540][ T210] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.508543][ T210] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.508544][ T210] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.508547][ T210] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.508549][ T210] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.508550][ T210] ? kasan_save_track (mm/kasan/common.c:78) [ 10.508551][ T210] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.508554][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.508556][ T210] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 10.508558][ T210] ? ___sys_sendmsg (net/socket.c:2758) [ 10.508562][ T210] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.508564][ T210] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.508566][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.508568][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.508570][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.508571][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.508572][ T210] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.508574][ 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) [ 10.508576][ T210] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.508577][ T210] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.508581][ T210] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.508582][ T210] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.508587][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.508589][ T210] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.508594][ T210] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.508599][ T210] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.508601][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.508606][ T210] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.508608][ T210] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.508610][ T210] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.508612][ T210] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.508615][ T210] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.508617][ T210] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.508621][ T210] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.508622][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.508626][ T210] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.508628][ T210] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.508632][ T210] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.508635][ T210] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.508638][ T210] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.508644][ 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)) [ 10.508646][ 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)) [ 10.508650][ T210] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.508654][ T210] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.508657][ T210] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.508661][ T210] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.508665][ T210] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.508669][ T210] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.508670][ T210] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.508675][ T210] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.508678][ T210] ____sys_sendmsg (net/socket.c:2713) [ 10.508680][ T210] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.508683][ T210] ? sock_write_iter (net/socket.c:1269) [ 10.508684][ T210] ? move_addr_to_kernel (net/socket.c:258) [ 10.508691][ T210] ___sys_sendmsg (net/socket.c:2767) [ 10.508694][ T210] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.508710][ T210] __sys_sendmsg (net/socket.c:2799) [ 10.508712][ T210] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.508719][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.508722][ T210] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.508725][ T210] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.508727][ T210] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.508730][ T210] RIP: 0033:0x7ffbe2a4054e [ 10.508734][ 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 [ 10.508735][ T210] RSP: 002b:00007ffed1fcdcd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.508738][ T210] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ffbe2a4054e [ 10.508740][ T210] RDX: 0000000000000000 RSI: 00007ffed1fcdd80 RDI: 0000000000000005 [ 10.508740][ T210] RBP: 00007ffed1fcdce0 R08: 0000000000000000 R09: 0000000000000000 [ 10.508741][ T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918b48 [ 10.508742][ T210] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed1fce450 | [ 13.255151][ T12] softirqs last disabled at (1462): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 13.255154][ T12] Preemption disabled at: | [ 13.255154][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.255163][ T12] Tainted: [W]=WARN [ 13.255164][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.255166][ T12] Workqueue: netns cleanup_net [ 13.255169][ T12] Call Trace: [ 13.255171][ T12] [ 13.255173][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.255179][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.255181][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 13.255186][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.255190][ 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) [ 13.255194][ 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)) [ 13.255196][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.255203][ 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) [ 13.255206][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.255210][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 13.255213][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.255216][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 13.255221][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.255225][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.255231][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.255234][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.255240][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.255244][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.255246][ 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)) [ 13.255249][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.255251][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.255255][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.255260][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.255262][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.255267][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.255270][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.255272][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.255274][ 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) [ 13.255278][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.255280][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.255282][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 13.255286][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.255287][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.255289][ 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) [ 13.255294][ T12] _printk (kernel/printk/printk.c:2504) [ 13.255298][ T12] ? snapshot_read.cold (user.c:?) [ 13.255301][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.255303][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.255304][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.255305][ T12] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 13.255307][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 13.255311][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 13.255315][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 13.255318][ T12] ? netdev_notice (net/core/dev.c:13194) [ 13.255327][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 13.255331][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 13.255334][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 13.255338][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 13.255339][ 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)) [ 13.255345][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 13.255348][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 13.255352][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 13.255357][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 13.255358][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.255364][ T12] cleanup_net (net/core/net_namespace.c:706) [ 13.255367][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 13.255371][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.255373][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.255377][ T12] process_one_work (kernel/workqueue.c:3387) [ 13.255384][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 13.255387][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.255395][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.255402][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.255405][ T12] kthread (kernel/kthread.c:436) [ 13.255407][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.255410][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.255413][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 13.255418][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 13.255421][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 13.255425][ 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