====================================== | [ 10.024936][ T224] softirqs last disabled at (20496): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.024939][ T224] Preemption disabled at: | [ 10.024939][ T224] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.024948][ T224] Tainted: [W]=WARN [ 10.024949][ T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.024951][ T224] Call Trace: [ 10.024952][ T224] [ 10.024954][ T224] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.024959][ T224] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.024961][ T224] __might_resched.cold (kernel/sched/core.c:9234) [ 10.024966][ T224] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.024973][ T224] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.024977][ T224] __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)) [ 10.024979][ T224] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.024986][ T224] ? 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) [ 10.024988][ T224] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.024992][ T224] put_chars (drivers/char/virtio_console.c:1176) [ 10.024994][ T224] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.025001][ T224] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.025008][ T224] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.025012][ T224] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.025016][ T224] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.025020][ T224] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.025021][ T224] ? 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)) [ 10.025025][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.025027][ T224] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.025031][ T224] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.025035][ T224] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.025037][ T224] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.025042][ T224] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.025045][ T224] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.025047][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.025049][ T224] ? 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) [ 10.025052][ T224] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.025054][ T224] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.025057][ T224] vprintk_emit (kernel/printk/printk.c:2479) [ 10.025060][ T224] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.025062][ T224] ? save_trace (kernel/locking/lockdep.c:589) [ 10.025067][ T224] _printk (kernel/printk/printk.c:2504) [ 10.025070][ T224] ? snapshot_read.cold (user.c:?) [ 10.025074][ T224] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.025076][ T224] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.025079][ T224] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.025082][ T224] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.025084][ T224] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.025087][ T224] ? netdev_notice (net/core/dev.c:13194) [ 10.025090][ T224] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.025092][ T224] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.025095][ T224] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.025098][ T224] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.025101][ T224] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.025103][ T224] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 10.025108][ T224] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.025111][ T224] ? __kernel_text_address (kernel/extable.c:79) [ 10.025113][ T224] ? write_profile (profile.c:?) [ 10.025117][ T224] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.025123][ T224] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.025126][ T224] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.025128][ T224] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.025130][ T224] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.025132][ T224] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.025136][ T224] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.025138][ T224] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.025139][ T224] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.025142][ T224] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.025144][ T224] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.025145][ T224] ? kasan_save_track (mm/kasan/common.c:78) [ 10.025146][ T224] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.025148][ T224] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.025150][ T224] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 10.025153][ T224] ? ___sys_sendmsg (net/socket.c:2758) [ 10.025157][ T224] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.025159][ T224] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.025162][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.025163][ T224] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.025165][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.025166][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.025168][ T224] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.025170][ T224] ? __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) [ 10.025172][ T224] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.025174][ T224] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.025178][ T224] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.025179][ T224] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.025184][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.025186][ T224] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.025191][ T224] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.025197][ T224] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.025199][ T224] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.025206][ T224] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.025208][ T224] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.025210][ T224] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.025212][ T224] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.025216][ T224] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.025218][ T224] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.025221][ T224] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.025222][ T224] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.025226][ T224] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.025228][ T224] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.025232][ T224] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.025235][ T224] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.025237][ T224] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.025244][ T224] ? 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)) [ 10.025246][ T224] ? 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)) [ 10.025250][ T224] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.025254][ T224] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.025256][ T224] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.025261][ T224] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.025264][ T224] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.025268][ T224] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.025270][ T224] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.025275][ T224] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.025278][ T224] ____sys_sendmsg (net/socket.c:2713) [ 10.025280][ T224] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.025282][ T224] ? sock_write_iter (net/socket.c:1269) [ 10.025284][ T224] ? move_addr_to_kernel (net/socket.c:258) [ 10.025291][ T224] ___sys_sendmsg (net/socket.c:2767) [ 10.025293][ T224] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.025309][ T224] __sys_sendmsg (net/socket.c:2799) [ 10.025312][ T224] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.025318][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.025321][ T224] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.025323][ T224] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.025326][ T224] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.025329][ T224] RIP: 0033:0x7f3ac0e2454e [ 10.025332][ T224] 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 [ 10.025334][ T224] RSP: 002b:00007fff5c407f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.025336][ T224] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3ac0e2454e [ 10.025338][ T224] RDX: 0000000000000000 RSI: 00007fff5c407ff0 RDI: 0000000000000005 [ 10.025339][ T224] RBP: 00007fff5c407f50 R08: 0000000000000000 R09: 0000000000000000 [ 10.025339][ T224] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91491d [ 10.025340][ T224] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5c4086c0 | [ 11.168122][ T58] softirqs last disabled at (21482): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 11.168124][ T58] Preemption disabled at: | [ 11.168125][ T58] 0x0 | [ 11.168135][ T58] Tainted: [W]=WARN [ 11.168136][ T58] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.168138][ T58] Workqueue: events_unbound linkwatch_event [ 11.168141][ T58] Call Trace: [ 11.168143][ T58] [ 11.168144][ T58] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.168151][ T58] __might_resched.cold (kernel/sched/core.c:9234) [ 11.168155][ T58] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.168159][ T58] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.168164][ T58] __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)) [ 11.168166][ T58] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.168172][ T58] ? 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) [ 11.168175][ T58] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.168179][ T58] put_chars (drivers/char/virtio_console.c:1176) [ 11.168182][ T58] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.168183][ T58] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 11.168187][ T58] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.168191][ T58] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.168195][ T58] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.168197][ T58] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.168199][ T58] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.168203][ T58] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.168205][ T58] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.168213][ T58] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.168217][ T58] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.168221][ T58] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.168223][ T58] ? 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)) [ 11.168227][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.168229][ T58] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.168233][ T58] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.168238][ T58] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.168240][ T58] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.168241][ T58] ? write_ibpb (arch/x86/entry/entry.S:25) [ 11.168247][ T58] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.168250][ T58] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.168252][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.168254][ T58] ? 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) [ 11.168258][ T58] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.168260][ T58] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.168262][ T58] vprintk_emit (kernel/printk/printk.c:2479) [ 11.168265][ T58] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.168271][ T58] _printk (kernel/printk/printk.c:2504) [ 11.168275][ T58] ? snapshot_read.cold (user.c:?) [ 11.168280][ T58] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.168284][ T58] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 11.168288][ T58] br_init_port (net/bridge/br_stp_if.c:39) [ 11.168291][ T58] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 11.168292][ T58] br_port_carrier_check (net/bridge/br_if.c:90) [ 11.168296][ T58] br_device_event (net/bridge/br.c:101) [ 11.168300][ T58] ? packet_sendmsg_spkt (af_packet.c:?) [ 11.168302][ T58] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 11.168309][ T58] notifier_call_chain (kernel/notifier.c:85) [ 11.168314][ T58] netif_state_change (net/core/dev.c:1625) [ 11.168319][ T58] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.168324][ T58] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 11.168326][ T58] __linkwatch_run_queue (net/core/link_watch.c:240) [ 11.168329][ T58] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.168332][ T58] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.168336][ T58] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 11.168338][ T58] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 11.168342][ T58] process_one_work (kernel/workqueue.c:3387) [ 11.168349][ T58] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 11.168351][ T58] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.168359][ T58] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 11.168363][ T58] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 11.168365][ T58] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 11.168368][ T58] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 11.168371][ T58] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 11.168373][ T58] kthread (kernel/kthread.c:436) [ 11.168375][ T58] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.168378][ T58] ? kthread_affine_preferred (kernel/kthread.c:857) [ 11.168381][ T58] ret_from_fork (arch/x86/kernel/process.c:158) [ 11.168385][ T58] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 11.168389][ T58] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 11.168392][ T58] ? kthread_affine_preferred (kernel/kthread.c:857) [ 11.168395][ T58] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 12.236598][ T69] softirqs last disabled at (86404): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 12.236601][ T69] Preemption disabled at: | [ 12.236602][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.236610][ T69] Tainted: [W]=WARN [ 12.236611][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.236613][ T69] Workqueue: netns cleanup_net [ 12.236616][ T69] Call Trace: [ 12.236618][ T69] [ 12.236619][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.236625][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.236627][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 12.236631][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.236635][ T69] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.236640][ T69] __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)) [ 12.236642][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.236649][ T69] ? 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) [ 12.236651][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.236655][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 12.236657][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.236658][ T69] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.236662][ T69] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.236665][ T69] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.236670][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.236673][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.236679][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.236682][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.236687][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.236690][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.236692][ T69] ? 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)) [ 12.236696][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.236697][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.236702][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.236706][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.236708][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.236713][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.236716][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.236718][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.236720][ T69] ? 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) [ 12.236724][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.236725][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.236728][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 12.236731][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.236733][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 12.236734][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.236736][ T69] ? kthread (kernel/kthread.c:436) [ 12.236738][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 12.236741][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 12.236746][ T69] _printk (kernel/printk/printk.c:2504) [ 12.236750][ T69] ? snapshot_read.cold (user.c:?) [ 12.236754][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.236758][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.236762][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.236765][ T69] ? netdev_notice (net/core/dev.c:13194) [ 12.236769][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.236771][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 12.236773][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 12.236775][ T69] ? 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) [ 12.236778][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 12.236782][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 12.236785][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 12.236789][ T69] ? __up_write (kernel/locking/rwsem.c:1415) [ 12.236790][ T69] ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1)) [ 12.236794][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 12.236797][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 12.236801][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 12.236804][ T69] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.236808][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 12.236810][ T69] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.236813][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 12.236818][ T69] cleanup_net (net/core/net_namespace.c:706) [ 12.236821][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 12.236824][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.236826][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.236830][ T69] process_one_work (kernel/workqueue.c:3387) [ 12.236837][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.236840][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.236847][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.236851][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.236854][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 12.236856][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.236859][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.236861][ T69] kthread (kernel/kthread.c:436) [ 12.236863][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.236866][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.236869][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.236872][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.236875][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.236879][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars