====================================== | [ 9.788129][ T210] softirqs last disabled at (16668): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 9.788131][ T210] Preemption disabled at: | [ 9.788132][ T210] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.788140][ T210] Tainted: [W]=WARN [ 9.788141][ T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.788143][ T210] Call Trace: [ 9.788144][ T210] [ 9.788146][ T210] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.788152][ T210] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.788153][ T210] __might_resched.cold (kernel/sched/core.c:9234) [ 9.788158][ T210] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.788162][ 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) [ 9.788166][ 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)) [ 9.788168][ T210] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.788180][ 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) [ 9.788183][ T210] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.788186][ T210] put_chars (drivers/char/virtio_console.c:1176) [ 9.788189][ T210] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.788191][ T210] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.788197][ T210] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.788204][ T210] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.788207][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.788209][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.788213][ T210] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.788217][ T210] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.788219][ 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)) [ 9.788222][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.788224][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.788228][ T210] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.788232][ T210] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.788234][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.788239][ T210] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.788242][ T210] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.788244][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.788245][ 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) [ 9.788249][ T210] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.788251][ T210] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.788255][ T210] vprintk_emit (kernel/printk/printk.c:2479) [ 9.788258][ T210] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.788260][ T210] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.788262][ 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) [ 9.788264][ T210] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.788268][ T210] _printk (kernel/printk/printk.c:2504) [ 9.788271][ T210] ? snapshot_read.cold (user.c:?) [ 9.788274][ T210] ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) [ 9.788279][ T210] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 9.788283][ T210] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 9.788287][ T210] br_init_port (net/bridge/br_stp_if.c:39) [ 9.788289][ T210] new_nbp (net/bridge/br_if.c:449) [ 9.788293][ T210] br_add_if (net/bridge/br_if.c:592) [ 9.788295][ T210] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 9.788296][ T210] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 9.788303][ T210] do_set_master (net/core/rtnetlink.c:3071) [ 9.788307][ T210] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 9.788310][ T210] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 9.788314][ T210] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.788315][ T210] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 9.788318][ T210] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 9.788321][ T210] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.788323][ T210] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.788325][ T210] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.788327][ T210] ? kasan_save_stack (mm/kasan/common.c:58) [ 9.788330][ T210] ? kasan_save_stack (mm/kasan/common.c:57) [ 9.788331][ T210] ? kasan_save_track (mm/kasan/common.c:78) [ 9.788332][ T210] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 9.788335][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.788337][ T210] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 9.788339][ T210] ? ___sys_sendmsg (net/socket.c:2758) [ 9.788343][ T210] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.788345][ T210] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 9.788348][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.788349][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.788351][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.788352][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.788354][ T210] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.788356][ 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) [ 9.788357][ T210] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.788359][ T210] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 9.788362][ T210] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.788363][ T210] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.788368][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.788370][ T210] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 9.788375][ T210] rtnl_newlink (net/core/rtnetlink.c:4215) [ 9.788381][ T210] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.788383][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.788387][ T210] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.788389][ T210] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.788391][ T210] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.788393][ T210] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.788397][ T210] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.788399][ T210] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.788402][ T210] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.788403][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.788408][ T210] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.788410][ T210] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.788413][ T210] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.788416][ T210] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.788419][ T210] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.788426][ 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)) [ 9.788428][ 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)) [ 9.788432][ T210] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.788436][ T210] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.788439][ T210] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.788443][ T210] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.788447][ T210] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.788451][ T210] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.788452][ T210] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 9.788458][ T210] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 9.788461][ T210] ____sys_sendmsg (net/socket.c:2713) [ 9.788463][ T210] ? copy_msghdr_from_user (net/socket.c:2650) [ 9.788465][ T210] ? sock_write_iter (net/socket.c:1269) [ 9.788467][ T210] ? move_addr_to_kernel (net/socket.c:258) [ 9.788474][ T210] ___sys_sendmsg (net/socket.c:2767) [ 9.788477][ T210] ? copy_msghdr_from_user (net/socket.c:2619) [ 9.788493][ T210] __sys_sendmsg (net/socket.c:2799) [ 9.788496][ T210] ? __sys_sendmsg_sock (net/socket.c:2780) [ 9.788502][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.788505][ T210] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.788508][ T210] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.788511][ T210] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.788513][ T210] RIP: 0033:0x7f37d02e054e [ 9.788517][ 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 [ 9.788518][ T210] RSP: 002b:00007ffe693a4dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 9.788521][ T210] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f37d02e054e [ 9.788522][ T210] RDX: 0000000000000000 RSI: 00007ffe693a4e80 RDI: 0000000000000005 [ 9.788523][ T210] RBP: 00007ffe693a4de0 R08: 0000000000000000 R09: 0000000000000000 [ 9.788524][ T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9148ed [ 9.788524][ T210] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe693a5550 | [ 12.405961][ T12] softirqs last disabled at (1508): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 12.405964][ T12] Preemption disabled at: | [ 12.405964][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.405973][ T12] Tainted: [W]=WARN [ 12.405973][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.405975][ T12] Workqueue: netns cleanup_net [ 12.405978][ T12] Call Trace: [ 12.405980][ T12] [ 12.405981][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.405987][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.405989][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 12.405993][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.405997][ 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) [ 12.406002][ 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)) [ 12.406004][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.406010][ 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) [ 12.406013][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.406017][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 12.406019][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.406023][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.406028][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.406032][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.406037][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.406040][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.406046][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.406050][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.406052][ 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)) [ 12.406056][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.406057][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.406062][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.406066][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.406068][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.406074][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.406077][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.406079][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.406080][ 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) [ 12.406084][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.406086][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.406089][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 12.406092][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.406094][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.406096][ 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) [ 12.406101][ T12] _printk (kernel/printk/printk.c:2504) [ 12.406104][ T12] ? snapshot_read.cold (user.c:?) [ 12.406107][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.406109][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.406110][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.406112][ T12] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.406113][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.406117][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.406121][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.406124][ T12] ? netdev_notice (net/core/dev.c:13194) [ 12.406133][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 12.406137][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 12.406140][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 12.406144][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 12.406145][ 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)) [ 12.406151][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 12.406155][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 12.406158][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 12.406163][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 12.406164][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.406170][ T12] cleanup_net (net/core/net_namespace.c:706) [ 12.406173][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 12.406177][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.406179][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.406183][ T12] process_one_work (kernel/workqueue.c:3387) [ 12.406194][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.406197][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.406205][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.406212][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.406214][ T12] kthread (kernel/kthread.c:436) [ 12.406217][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.406220][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.406223][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.406227][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.406231][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.406235][ 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