====================================== | [ 9.741794][ T229] softirqs last disabled at (0): 0x0 | [ 9.741796][ T229] Preemption disabled at: | [ 9.741797][ T229] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.741808][ T229] Tainted: [W]=WARN [ 9.741809][ T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.741810][ T229] Call Trace: [ 9.741812][ T229] [ 9.741813][ T229] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.741818][ T229] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.741820][ T229] __might_resched.cold (kernel/sched/core.c:9234) [ 9.741824][ T229] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 9.741826][ T229] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.741829][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.741833][ T229] __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)) [ 9.741836][ T229] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.741839][ T229] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.741843][ T229] ? 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) [ 9.741844][ T229] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.741846][ T229] put_chars (drivers/char/virtio_console.c:1176) [ 9.741848][ T229] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.741850][ T229] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 9.741852][ T229] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.741855][ T229] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.741856][ T229] ? vsnprintf (lib/vsprintf.c:2900) [ 9.741860][ T229] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.741861][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.741863][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.741865][ T229] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.741868][ T229] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.741869][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.741871][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.741873][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.741874][ T229] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.741876][ T229] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 9.741878][ T229] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.741880][ T229] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.741882][ T229] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.741884][ T229] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.741885][ T229] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.741887][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.741888][ T229] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.741890][ T229] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.741891][ T229] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 9.741893][ T229] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.741895][ T229] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.741897][ T229] vprintk_emit (kernel/printk/printk.c:2479) [ 9.741899][ T229] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.741902][ T229] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 9.741905][ T229] _printk (kernel/printk/printk.c:2504) [ 9.741908][ T229] ? snapshot_read.cold (user.c:?) [ 9.741911][ T229] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 9.741913][ T229] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q [ 9.741915][ T229] do_one_initcall (init/main.c:1357) [ 9.741917][ T229] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 9.741919][ T229] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 9.741922][ T229] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 9.741925][ T229] do_init_module (kernel/module/main.c:3117) [ 9.741928][ T229] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 9.741930][ T229] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 9.741932][ T229] load_module (kernel/module/main.c:3593) [ 9.741935][ T229] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 9.741937][ T229] ? __ia32_sys_fsconfig (??:?) [ 9.741939][ T229] ? ovl_real_file (fs/overlayfs/file.c:195) [ 9.741943][ T229] ? backing_file_read_iter (fs/backing-file.c:211) [ 9.741945][ T229] init_module_from_file (kernel/module/main.c:3790) [ 9.741948][ T229] ? __do_sys_init_module (kernel/module/main.c:3664) [ 9.741950][ T229] ? ovl_mmap (fs/overlayfs/file.c:477) [ 9.741952][ T229] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.741954][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.741955][ T229] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.741957][ T229] ? 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) [ 9.741959][ T229] idempotent_init_module (kernel/module/main.c:3802) [ 9.741961][ T229] ? init_module_from_file (kernel/module/main.c:3791) [ 9.741964][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.741965][ T229] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.741969][ T229] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 9.741971][ T229] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.741974][ T229] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.741976][ T229] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.741978][ T229] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.741980][ T229] RIP: 0033:0x7f9a2a37737d [ 9.741982][ T229] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 9.741983][ T229] RSP: 002b:00007ffe7aa458f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9.741988][ T229] RAX: ffffffffffffffda RBX: 000055aa3b289810 RCX: 00007f9a2a37737d [ 9.741989][ T229] RDX: 0000000000000000 RSI: 000055aa12827ffd RDI: 0000000000000000 [ 9.741990][ T229] RBP: 00007ffe7aa45990 R08: 0000000000000000 R09: 0000000000000000 [ 9.741991][ T229] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aa12827ffd [ 9.741991][ T229] R13: 000055aa3b289960 R14: 0000000000040000 R15: 0000000000000000 | [ 11.300463][ T326] softirqs last disabled at (0): 0x0 | [ 11.300464][ T326] Preemption disabled at: | [ 11.300465][ T326] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.300477][ T326] Tainted: [W]=WARN [ 11.300478][ T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.300480][ T326] Call Trace: [ 11.300481][ T326] [ 11.300482][ T326] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.300488][ T326] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.300490][ T326] __might_resched.cold (kernel/sched/core.c:9234) [ 11.300493][ T326] ? __module_address (kernel/module/main.c:3915) [ 11.300503][ T326] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.300506][ T326] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 11.300508][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300511][ T326] __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)) [ 11.300515][ T326] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.300517][ T326] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.300521][ T326] ? 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) [ 11.300523][ T326] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.300525][ T326] put_chars (drivers/char/virtio_console.c:1176) [ 11.300527][ T326] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 11.300528][ T326] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.300530][ T326] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 11.300532][ T326] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.300535][ T326] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.300537][ T326] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 11.300538][ T326] ? vsnprintf (lib/vsprintf.c:2900) [ 11.300541][ T326] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.300543][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300545][ T326] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.300547][ T326] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.300549][ T326] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.300551][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300552][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300554][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300556][ T326] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.300557][ T326] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 11.300559][ T326] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.300561][ T326] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.300564][ T326] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.300565][ T326] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.300567][ T326] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.300568][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300570][ T326] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 11.300571][ T326] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.300572][ T326] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 11.300574][ T326] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.300576][ T326] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.300578][ T326] vprintk_emit (kernel/printk/printk.c:2479) [ 11.300581][ T326] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.300582][ T326] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.300584][ T326] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 11.300585][ T326] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.300587][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300589][ T326] _printk (kernel/printk/printk.c:2504) [ 11.300592][ T326] ? snapshot_read.cold (user.c:?) [ 11.300594][ T326] ? br_multicast_flood (??:?) bridge [ 11.300606][ T326] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.300609][ T326] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.300610][ T326] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.300612][ T326] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 11.300620][ T326] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 11.300627][ T326] new_nbp (net/bridge/br_if.c:449) bridge [ 11.300634][ T326] br_add_if (net/bridge/br_if.c:592) bridge [ 11.300640][ T326] ? bpf_address_lookup (kernel/bpf/core.c:730) [ 11.300644][ T326] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 11.300646][ T326] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 11.300648][ T326] ? __kernel_text_address (kernel/extable.c:79) [ 11.300650][ T326] do_set_master (net/core/rtnetlink.c:3071) [ 11.300653][ T326] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.300654][ T326] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.300656][ T326] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.300657][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300658][ T326] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 11.300662][ T326] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.300665][ T326] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.300666][ T326] ? kasan_save_track (mm/kasan/common.c:78) [ 11.300667][ T326] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 11.300669][ T326] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 11.300670][ T326] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 11.300671][ T326] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.300672][ T326] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.300675][ T326] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.300676][ T326] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.300677][ T326] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 11.300680][ T326] ? ___sys_sendmsg (net/socket.c:2767) [ 11.300681][ T326] ? __sys_sendmsg (net/socket.c:2799) [ 11.300683][ T326] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.300684][ T326] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.300687][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300688][ T326] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.300690][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300691][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300693][ T326] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.300696][ T326] ? __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) [ 11.300698][ T326] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.300699][ T326] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.300701][ T326] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.300702][ T326] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.300704][ T326] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.300706][ T326] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.300708][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300710][ T326] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.300711][ T326] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.300715][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300717][ T326] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 11.300718][ T326] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 11.300720][ T326] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 11.300721][ T326] ? __kernel_text_address (kernel/extable.c:79) [ 11.300722][ T326] ? write_profile (profile.c:?) [ 11.300723][ T326] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 11.300726][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300728][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300729][ T326] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.300733][ T326] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.300734][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300736][ T326] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.300737][ T326] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.300739][ T326] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.300740][ T326] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 11.300741][ T326] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 11.300744][ T326] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.300745][ T326] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.300746][ T326] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 11.300748][ T326] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.300749][ T326] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 11.300751][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300753][ T326] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 11.300755][ T326] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.300757][ T326] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.300758][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300760][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300761][ T326] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.300763][ T326] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.300765][ T326] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.300767][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300768][ T326] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 11.300770][ T326] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 11.300772][ T326] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.300773][ T326] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 11.300775][ T326] ? move_addr_to_kernel (net/socket.c:258) [ 11.300776][ T326] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 11.300778][ T326] ___sys_sendmsg (net/socket.c:2767) [ 11.300780][ T326] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.300785][ T326] __sys_sendmsg (net/socket.c:2799) [ 11.300787][ T326] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.300789][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.300791][ T326] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.300792][ T326] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.300795][ T326] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.300796][ T326] RIP: 0033:0x7f1352dbe54e [ 11.300798][ T326] 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 [ 11.300800][ T326] RSP: 002b:00007ffcefe44fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.300804][ T326] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1352dbe54e [ 11.300806][ T326] RDX: 0000000000000000 RSI: 00007ffcefe45060 RDI: 0000000000000005 [ 11.300807][ T326] RBP: 00007ffcefe44fc0 R08: 0000000000000000 R09: 0000000000000000 [ 11.300807][ T326] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91847f [ 11.300808][ T326] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcefe45720 | [ 12.313344][ T72] softirqs last disabled at (0): 0x0 | [ 12.313347][ T72] Preemption disabled at: | [ 12.313347][ T72] 0x0 | [ 12.313356][ T72] Tainted: [W]=WARN [ 12.313357][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.313359][ T72] Workqueue: events_unbound linkwatch_event [ 12.313366][ T72] Call Trace: [ 12.313368][ T72] [ 12.313369][ T72] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.313375][ T72] __might_resched.cold (kernel/sched/core.c:9234) [ 12.313379][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.313383][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.313387][ T72] __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)) [ 12.313390][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.313393][ T72] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.313397][ T72] ? 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) [ 12.313398][ T72] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.313400][ T72] put_chars (drivers/char/virtio_console.c:1176) [ 12.313402][ T72] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.313403][ T72] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 12.313407][ T72] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.313410][ T72] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.313412][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.313413][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.313415][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.313417][ T72] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.313420][ T72] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.313421][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.313423][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.313424][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.313426][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.313428][ T72] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 12.313430][ T72] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.313432][ T72] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.313434][ T72] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.313436][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.313437][ T72] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.313439][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.313440][ T72] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 12.313442][ T72] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.313443][ T72] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 12.313445][ T72] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.313447][ T72] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.313449][ T72] vprintk_emit (kernel/printk/printk.c:2479) [ 12.313452][ T72] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.313454][ T72] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 12.313456][ T72] _printk (kernel/printk/printk.c:2504) [ 12.313459][ T72] ? snapshot_read.cold (user.c:?) [ 12.313460][ T72] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 12.313463][ T72] ? port_cost (net/bridge/br_if.c:40) bridge [ 12.313475][ T72] ? br_multicast_flood (??:?) bridge [ 12.313483][ T72] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 12.313490][ T72] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 12.313503][ T72] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge [ 12.313509][ T72] br_port_carrier_check (net/bridge/br_if.c:90) bridge [ 12.313516][ T72] br_device_event (net/bridge/br.c:101) bridge [ 12.313523][ T72] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 12.313525][ T72] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 12.313528][ T72] ? addrconf_notify (net/ipv6/addrconf.c:3796) [ 12.313532][ T72] notifier_call_chain (kernel/notifier.c:85) [ 12.313535][ T72] netif_state_change (net/core/dev.c:1625) [ 12.313538][ T72] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.313541][ T72] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 12.313542][ T72] __linkwatch_run_queue (net/core/link_watch.c:240) [ 12.313544][ T72] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.313545][ T72] ? debug_object_active_state (lib/debugobjects.c:1122) [ 12.313549][ T72] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 12.313551][ T72] ? __linkwatch_run_queue (./include/linux/list.h:577) [ 12.313552][ T72] process_one_work (kernel/workqueue.c:3387) [ 12.313556][ T72] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.313558][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.313561][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.313563][ T72] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.313566][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.313567][ T72] kthread (kernel/kthread.c:436) [ 12.313569][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.313570][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.313572][ T72] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.313575][ T72] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.313576][ T72] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.313579][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.313581][ T72] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 21.110336][ T12] softirqs last disabled at (82): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2)) | [ 21.110338][ T12] Preemption disabled at: | [ 21.110339][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 21.110350][ T12] Tainted: [W]=WARN [ 21.110351][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.110353][ T12] Workqueue: netns cleanup_net [ 21.110360][ T12] Call Trace: [ 21.110361][ T12] [ 21.110363][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.110368][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 21.110370][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 21.110374][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.110377][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.110381][ 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)) [ 21.110384][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.110387][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.110390][ 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) [ 21.110392][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.110394][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 21.110396][ T12] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 21.110397][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.110399][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 21.110401][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.110405][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.110406][ T12] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 21.110407][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.110409][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.110410][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.110412][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.110414][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.110417][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.110418][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.110420][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.110422][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.110423][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.110425][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 21.110427][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.110429][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.110431][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.110433][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.110435][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.110436][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.110438][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.110439][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.110440][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 21.110442][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.110444][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.110446][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 21.110448][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.110450][ T12] ? process_one_work (kernel/workqueue.c:3387) [ 21.110452][ T12] ? kthread (kernel/kthread.c:436) [ 21.110454][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 21.110457][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 21.110459][ T12] _printk (kernel/printk/printk.c:2504) [ 21.110462][ T12] ? snapshot_read.cold (user.c:?) [ 21.110464][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 21.110467][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 21.110468][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 21.110470][ T12] ? netdev_notice (net/core/dev.c:13194) [ 21.110472][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.110474][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 21.110476][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 21.110478][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 21.110479][ T12] ? 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) [ 21.110482][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 21.110485][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 21.110487][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 21.110500][ T12] br_dev_delete (net/bridge/br_if.c:387) bridge [ 21.110508][ T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 21.110515][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 21.110517][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 21.110518][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 21.110529][ T12] cleanup_net (net/core/net_namespace.c:706) [ 21.110531][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 21.110533][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.110534][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.110537][ T12] process_one_work (kernel/workqueue.c:3387) [ 21.110539][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 21.110542][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.110544][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 21.110547][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 21.110548][ T12] kthread (kernel/kthread.c:436) [ 21.110550][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.110551][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.110553][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 21.110554][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 21.110556][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 21.110559][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record addrconf_verify_rtnl:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars