====================================== | [ 9.623044][ T212] softirqs last disabled at (20838): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 9.623047][ T212] Preemption disabled at: | [ 9.623047][ T212] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.623056][ T212] Tainted: [W]=WARN [ 9.623057][ T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.623059][ T212] Call Trace: [ 9.623060][ T212] [ 9.623062][ T212] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.623068][ T212] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.623070][ T212] __might_resched.cold (kernel/sched/core.c:9234) [ 9.623074][ T212] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.623078][ T212] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.623083][ T212] __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)) [ 9.623085][ T212] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.623091][ T212] ? 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) [ 9.623094][ T212] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.623097][ T212] put_chars (drivers/char/virtio_console.c:1176) [ 9.623100][ T212] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.623103][ T212] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.623108][ T212] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.623116][ T212] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.623118][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.623121][ T212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.623125][ T212] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.623129][ T212] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.623131][ T212] ? 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)) [ 9.623134][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.623136][ T212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.623139][ T212] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.623143][ T212] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.623145][ T212] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.623151][ T212] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.623153][ T212] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.623155][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.623157][ T212] ? 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) [ 9.623161][ T212] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.623163][ T212] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.623165][ T212] vprintk_emit (kernel/printk/printk.c:2479) [ 9.623168][ T212] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.623169][ T212] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.623172][ T212] ? __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) [ 9.623175][ T212] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.623178][ T212] _printk (kernel/printk/printk.c:2504) [ 9.623181][ T212] ? snapshot_read.cold (user.c:?) [ 9.623184][ T212] ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) [ 9.623189][ T212] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 9.623193][ T212] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 9.623197][ T212] br_init_port (net/bridge/br_stp_if.c:39) [ 9.623199][ T212] new_nbp (net/bridge/br_if.c:449) [ 9.623203][ T212] br_add_if (net/bridge/br_if.c:592) [ 9.623205][ T212] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 9.623207][ T212] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 9.623213][ T212] do_set_master (net/core/rtnetlink.c:3071) [ 9.623217][ T212] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 9.623221][ T212] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 9.623224][ T212] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.623226][ T212] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 9.623228][ T212] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 9.623232][ T212] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.623234][ T212] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.623236][ T212] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.623238][ T212] ? kasan_save_stack (mm/kasan/common.c:58) [ 9.623240][ T212] ? kasan_save_stack (mm/kasan/common.c:57) [ 9.623241][ T212] ? kasan_save_track (mm/kasan/common.c:78) [ 9.623243][ T212] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 9.623245][ T212] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.623247][ T212] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 9.623249][ T212] ? ___sys_sendmsg (net/socket.c:2758) [ 9.623253][ T212] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.623255][ T212] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 9.623258][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.623259][ T212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.623261][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.623262][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.623264][ T212] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.623266][ T212] ? __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) [ 9.623267][ T212] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.623269][ T212] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 9.623272][ T212] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.623273][ T212] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.623278][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.623280][ T212] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 9.623285][ T212] rtnl_newlink (net/core/rtnetlink.c:4215) [ 9.623290][ T212] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.623292][ T212] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.623297][ T212] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.623299][ T212] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.623301][ T212] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.623303][ T212] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.623306][ T212] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.623308][ T212] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.623312][ T212] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.623313][ T212] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.623317][ T212] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.623319][ T212] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.623323][ T212] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.623326][ T212] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.623329][ T212] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.623335][ T212] ? 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)) [ 9.623337][ T212] ? 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)) [ 9.623342][ T212] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.623346][ T212] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.623348][ T212] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.623352][ T212] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.623356][ T212] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.623360][ T212] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.623362][ T212] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 9.623367][ T212] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 9.623370][ T212] ____sys_sendmsg (net/socket.c:2713) [ 9.623372][ T212] ? copy_msghdr_from_user (net/socket.c:2650) [ 9.623374][ T212] ? sock_write_iter (net/socket.c:1269) [ 9.623376][ T212] ? move_addr_to_kernel (net/socket.c:258) [ 9.623383][ T212] ___sys_sendmsg (net/socket.c:2767) [ 9.623386][ T212] ? copy_msghdr_from_user (net/socket.c:2619) [ 9.623402][ T212] __sys_sendmsg (net/socket.c:2799) [ 9.623405][ T212] ? __sys_sendmsg_sock (net/socket.c:2780) [ 9.623413][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.623416][ T212] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.623419][ T212] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.623422][ T212] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.623424][ T212] RIP: 0033:0x7feecbed754e [ 9.623428][ T212] 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 [ 9.623430][ T212] RSP: 002b:00007ffec80f1870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 9.623432][ T212] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007feecbed754e [ 9.623434][ T212] RDX: 0000000000000000 RSI: 00007ffec80f1920 RDI: 0000000000000005 [ 9.623434][ T212] RBP: 00007ffec80f1880 R08: 0000000000000000 R09: 0000000000000000 [ 9.623435][ T212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c7fd [ 9.623436][ T212] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec80f1ff0 | [ 12.051309][ T70] softirqs last disabled at (1442): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 12.051311][ T70] Preemption disabled at: | [ 12.051311][ T70] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.051320][ T70] Tainted: [W]=WARN [ 12.051321][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.051323][ T70] Workqueue: netns cleanup_net [ 12.051326][ T70] Call Trace: [ 12.051328][ T70] [ 12.051329][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.051335][ T70] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.051337][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 12.051341][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.051345][ T70] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.051350][ T70] __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)) [ 12.051352][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.051358][ T70] ? 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) [ 12.051361][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.051365][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 12.051368][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.051371][ T70] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.051376][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.051380][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.051386][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.051389][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.051394][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.051399][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.051401][ T70] ? 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)) [ 12.051404][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.051405][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.051410][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.051416][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.051418][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.051423][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.051426][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.051428][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.051430][ T70] ? 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) [ 12.051434][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.051436][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.051438][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 12.051442][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.051443][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.051445][ T70] ? __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) [ 12.051450][ T70] _printk (kernel/printk/printk.c:2504) [ 12.051453][ T70] ? snapshot_read.cold (user.c:?) [ 12.051456][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.051458][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.051459][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.051461][ T70] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.051462][ T70] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.051466][ T70] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.051470][ T70] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.051473][ T70] ? netdev_notice (net/core/dev.c:13194) [ 12.051482][ T70] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 12.051486][ T70] dev_set_allmulti (net/core/dev_api.c:315) [ 12.051489][ T70] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 12.051492][ T70] ? unregister_netdevice_many (net/core/dev.c:12589) [ 12.051494][ T70] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 12.051499][ T70] br_dev_delete (net/bridge/br_if.c:387) [ 12.051502][ T70] br_net_exit_rtnl (net/bridge/br.c:414) [ 12.051506][ T70] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 12.051510][ T70] ? netns_install (./include/linux/ns_common.h:26) [ 12.051512][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.051518][ T70] cleanup_net (net/core/net_namespace.c:706) [ 12.051521][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 12.051525][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.051526][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.051530][ T70] process_one_work (kernel/workqueue.c:3387) [ 12.051537][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.051540][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.051547][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.051552][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.051554][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 12.051557][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.051560][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.051562][ T70] kthread (kernel/kthread.c:436) [ 12.051564][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.051567][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.051570][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.051575][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.051578][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.051581][ T70] ? 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