======================================
| [   10.628472][  T233] softirqs last disabled at (26255): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.628474][  T233] Preemption disabled at:
| [   10.628475][  T233] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.628484][  T233] Tainted: [W]=WARN
[   10.628485][  T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.628487][  T233] Call Trace:
[   10.628489][  T233]  <TASK>
[   10.628490][  T233]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.628496][  T233]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.628498][  T233]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.628503][  T233]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.628507][  T233]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.628512][  T233]  __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))
[   10.628515][  T233]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.628521][  T233]  ? 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)
[   10.628524][  T233]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.628527][  T233]  put_chars (drivers/char/virtio_console.c:1176)
[   10.628530][  T233]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.628531][  T233]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.628537][  T233]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.628541][  T233]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.628548][  T233]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.628551][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.628556][  T233]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.628559][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.628564][  T233]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.628568][  T233]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.628570][  T233]  ? 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))
[   10.628573][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.628575][  T233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.628579][  T233]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.628583][  T233]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.628585][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.628590][  T233]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.628593][  T233]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.628595][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.628598][  T233]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.628601][  T233]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.628603][  T233]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.628606][  T233]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.628610][  T233]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.628616][  T233]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.628620][  T233]  _printk (kernel/printk/printk.c:2504)
[   10.628623][  T233]  ? snapshot_read.cold (user.c:?)
[   10.628630][  T233]  ? 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)
[   10.628633][  T233] 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
[   10.628636][  T233]  do_one_initcall (init/main.c:1357)
[   10.628639][  T233]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.628644][  T233]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.628647][  T233]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.628652][  T233]  do_init_module (kernel/module/main.c:3117)
[   10.628655][  T233]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.628660][  T233]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.628663][  T233]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.628667][  T233]  load_module (kernel/module/main.c:3593)
[   10.628674][  T233]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.628678][  T233]  ? __ia32_sys_fsconfig (??:?)
[   10.628681][  T233]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.628685][  T233]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.628688][  T233]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.628692][  T233]  init_module_from_file (kernel/module/main.c:3790)
[   10.628696][  T233]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.628704][  T233]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.628707][  T233]  ? 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)
[   10.628710][  T233]  idempotent_init_module (kernel/module/main.c:3802)
[   10.628714][  T233]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.628720][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.628723][  T233]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.628729][  T233]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.628731][  T233]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.628735][  T233]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.628736][  T233]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.628739][  T233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.628742][  T233] RIP: 0033:0x7fcadaf9037d
[   10.628746][  T233] 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
[   10.628747][  T233] RSP: 002b:00007ffde2844778 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.628750][  T233] RAX: ffffffffffffffda RBX: 000055cfb3341810 RCX: 00007fcadaf9037d
[   10.628752][  T233] RDX: 0000000000000000 RSI: 000055cfa5a11ffd RDI: 0000000000000000
[   10.628753][  T233] RBP: 00007ffde2844810 R08: 0000000000000000 R09: 0000000000000000
[   10.628753][  T233] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cfa5a11ffd
[   10.628754][  T233] R13: 000055cfb3341960 R14: 0000000000040000 R15: 0000000000000000
| [   11.735378][  T275] softirqs last disabled at (22143): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.735380][  T275] Preemption disabled at:
| [   11.735381][  T275] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.735390][  T275] Tainted: [W]=WARN
[   11.735391][  T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.735393][  T275] Call Trace:
[   11.735395][  T275]  <TASK>
[   11.735396][  T275]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.735402][  T275]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.735404][  T275]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.735409][  T275]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.735413][  T275]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.735419][  T275]  __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))
[   11.735421][  T275]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.735427][  T275]  ? 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)
[   11.735430][  T275]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.735433][  T275]  put_chars (drivers/char/virtio_console.c:1176)
[   11.735435][  T275]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   11.735437][  T275]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.735440][  T275]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.735444][  T275]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.735448][  T275]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.735451][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.735453][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.735457][  T275]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.735458][  T275]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.735462][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.735465][  T275]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.735469][  T275]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.735473][  T275]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.735474][  T275]  ? 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))
[   11.735478][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.735480][  T275]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.735484][  T275]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.735488][  T275]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.735490][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.735496][  T275]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.735498][  T275]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.735500][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.735503][  T275]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.735506][  T275]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.735508][  T275]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.735512][  T275]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.735516][  T275]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.735521][  T275]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   11.735524][  T275]  _printk (kernel/printk/printk.c:2504)
[   11.735528][  T275]  ? snapshot_read.cold (user.c:?)
[   11.735537][  T275]  ? 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)
[   11.735542][  T275] gre_init (gre.mod.c:?) gre
[   11.735546][  T275]  do_one_initcall (init/main.c:1357)
[   11.735549][  T275]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.735554][  T275]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.735557][  T275]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.735562][  T275]  do_init_module (kernel/module/main.c:3117)
[   11.735566][  T275]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.735568][  T275]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.735572][  T275]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.735576][  T275]  load_module (kernel/module/main.c:3593)
[   11.735583][  T275]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.735588][  T275]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.735592][  T275]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.735596][  T275]  init_module_from_file (kernel/module/main.c:3790)
[   11.735600][  T275]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.735608][  T275]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.735611][  T275]  ? 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)
[   11.735614][  T275]  idempotent_init_module (kernel/module/main.c:3802)
[   11.735618][  T275]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.735624][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.735627][  T275]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.735633][  T275]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.735635][  T275]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.735638][  T275]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.735640][  T275]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.735643][  T275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.735645][  T275] RIP: 0033:0x7f7eabbfc37d
[   11.735649][  T275] 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
[   11.735651][  T275] RSP: 002b:00007ffd54388ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.735654][  T275] RAX: ffffffffffffffda RBX: 0000556efd400a40 RCX: 00007f7eabbfc37d
[   11.735656][  T275] RDX: 0000000000000000 RSI: 0000556eef8ceffd RDI: 0000000000000001
[   11.735656][  T275] RBP: 00007ffd54388f60 R08: 0000000000000000 R09: 0000000000000000
[   11.735657][  T275] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556eef8ceffd
[   11.735658][  T275] R13: 0000556efd400a00 R14: 0000000000040000 R15: 0000000000000000
| [   18.215827][  T342] softirqs last disabled at (22719): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.215829][  T342] Preemption disabled at:
| [   18.215830][  T342] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.215840][  T342] Tainted: [W]=WARN
[   18.215841][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.215843][  T342] Call Trace:
[   18.215845][  T342]  <TASK>
[   18.215846][  T342]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.215852][  T342]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.215855][  T342]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.215859][  T342]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.215863][  T342]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.215869][  T342]  __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))
[   18.215871][  T342]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.215877][  T342]  ? 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)
[   18.215880][  T342]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.215883][  T342]  put_chars (drivers/char/virtio_console.c:1176)
[   18.215886][  T342]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.215888][  T342]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.215892][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.215895][  T342]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.215900][  T342]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.215902][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.215907][  T342]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.215910][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.215915][  T342]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.215919][  T342]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.215921][  T342]  ? 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))
[   18.215924][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.215927][  T342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.215931][  T342]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.215935][  T342]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.215937][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.215947][  T342]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.215950][  T342]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.215952][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.215955][  T342]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.215958][  T342]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.215960][  T342]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.215963][  T342]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.215968][  T342]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.215970][  T342]  ? netdev_run_todo (net/core/dev.c:11776)
[   18.215975][  T342]  ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred
[   18.215977][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.215981][  T342]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   18.215984][  T342]  _printk (kernel/printk/printk.c:2504)
[   18.215988][  T342]  ? snapshot_read.cold (user.c:?)
[   18.215990][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.215993][  T342]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   18.215994][  T342]  ? __up_write (kernel/locking/rwsem.c:1415)
[   18.215996][  T342]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   18.216000][  T342]  ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417)
[   18.216002][  T342] mirred_init_module (net/sched/act_mirred.c:508) act_mirred
[   18.216005][  T342]  do_one_initcall (init/main.c:1357)
[   18.216009][  T342]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   18.216013][  T342]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   18.216016][  T342]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   18.216021][  T342]  do_init_module (kernel/module/main.c:3117)
[   18.216025][  T342]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   18.216029][  T342]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   18.216033][  T342]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   18.216037][  T342]  load_module (kernel/module/main.c:3593)
[   18.216044][  T342]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   18.216048][  T342]  ? __ia32_sys_fsconfig (??:?)
[   18.216051][  T342]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   18.216055][  T342]  ? backing_file_read_iter (fs/backing-file.c:211)
[   18.216058][  T342]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.216062][  T342]  init_module_from_file (kernel/module/main.c:3790)
[   18.216065][  T342]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   18.216073][  T342]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   18.216077][  T342]  ? 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)
[   18.216080][  T342]  idempotent_init_module (kernel/module/main.c:3802)
[   18.216084][  T342]  ? init_module_from_file (kernel/module/main.c:3791)
[   18.216090][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.216092][  T342]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   18.216098][  T342]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   18.216101][  T342]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.216104][  T342]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.216106][  T342]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.216109][  T342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.216111][  T342] RIP: 0033:0x7f6bb13b037d
[   18.216114][  T342] 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
[   18.216116][  T342] RSP: 002b:00007ffce19a0418 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   18.216119][  T342] RAX: ffffffffffffffda RBX: 0000563d736ed810 RCX: 00007f6bb13b037d
[   18.216121][  T342] RDX: 0000000000000000 RSI: 0000563d58090ffd RDI: 0000000000000000
[   18.216122][  T342] RBP: 00007ffce19a04b0 R08: 0000000000000000 R09: 0000000000000000
[   18.216122][  T342] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563d58090ffd
[   18.216123][  T342] R13: 0000563d736ed960 R14: 0000000000040000 R15: 0000000000000000
| [   22.068062][  T357] softirqs last disabled at (26260): fib6_run_gc (./include/linux/spinlock.h:431 net/ipv6/ip6_fib.c:2437)
| [   22.068064][  T357] Preemption disabled at:
| [   22.068065][  T357] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.068074][  T357] Tainted: [W]=WARN
[   22.068075][  T357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.068077][  T357] Call Trace:
[   22.068079][  T357]  <TASK>
[   22.068080][  T357]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.068086][  T357]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.068088][  T357]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.068093][  T357]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.068097][  T357]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.068102][  T357]  __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))
[   22.068105][  T357]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.068110][  T357]  ? 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)
[   22.068113][  T357]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.068116][  T357]  put_chars (drivers/char/virtio_console.c:1176)
[   22.068118][  T357]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   22.068121][  T357]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.068124][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.068127][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.068132][  T357]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.068134][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.068136][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.068141][  T357]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.068142][  T357]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   22.068145][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.068149][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.068153][  T357]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.068157][  T357]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.068159][  T357]  ? 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))
[   22.068162][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.068164][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.068169][  T357]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.068173][  T357]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.068175][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.068181][  T357]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.068184][  T357]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.068186][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.068188][  T357]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.068192][  T357]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.068193][  T357]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.068197][  T357]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.068201][  T357]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.068203][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.068204][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.068206][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.068209][  T357]  ? look_up_lock_class (kernel/locking/lockdep.c:949 (discriminator 5))
[   22.068212][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.068216][  T357]  _printk (kernel/printk/printk.c:2504)
[   22.068220][  T357]  ? snapshot_read.cold (user.c:?)
[   22.068223][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.068226][  T357]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.068229][  T357]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.068232][  T357]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.068235][  T357]  ? netdev_notice (net/core/dev.c:13194)
[   22.068240][  T357]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   22.068242][  T357]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   22.068243][  T357]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   22.068246][  T357]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   22.068248][  T357]  ? kvfree_call_rcu (mm/slab_common.c:1509 (discriminator 3) mm/slab_common.c:2081 (discriminator 3))
[   22.068253][  T357]  team_port_del (drivers/net/team/team_core.c:1468)
[   22.068259][  T357]  do_set_master (net/core/rtnetlink.c:3055)
[   22.068264][  T357]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   22.068268][  T357]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.068271][  T357]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.068273][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.068275][  T357]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.068278][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.068281][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.068283][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.068286][  T357]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.068288][  T357]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.068290][  T357]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.068293][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.068295][  T357]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   22.068298][  T357]  ? ___sys_sendmsg (net/socket.c:2757)
[   22.068303][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.068305][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.068307][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.068310][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.068312][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.068313][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.068316][  T357]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.068320][  T357]  ? __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)
[   22.068323][  T357]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.068326][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.068329][  T357]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.068331][  T357]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.068336][  T357]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.068342][  T357]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.068347][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.068349][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.068353][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.068355][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.068357][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.068359][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.068363][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.068365][  T357]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.068368][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.068370][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.068374][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.068376][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.068380][  T357]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.068381][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.068384][  T357]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.068391][  T357]  ? 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))
[   22.068392][  T357]  ? 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))
[   22.068396][  T357]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.068400][  T357]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.068403][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.068407][  T357]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.068411][  T357]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.068415][  T357]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   22.068420][  T357]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   22.068422][  T357]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.068425][  T357]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   22.068426][  T357]  ? move_addr_to_kernel (net/socket.c:258)
[   22.068434][  T357]  ___sys_sendmsg (net/socket.c:2767)
[   22.068437][  T357]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.068453][  T357]  __sys_sendmsg (net/socket.c:2799)
[   22.068456][  T357]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.068462][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.068466][  T357]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.068468][  T357]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.068471][  T357]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.068473][  T357] RIP: 0033:0x7f5df0c3954e
[   22.068476][  T357] 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 <c9> 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
[   22.068478][  T357] RSP: 002b:00007ffdb7b7d230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.068481][  T357] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5df0c3954e
[   22.068483][  T357] RDX: 0000000000000000 RSI: 00007ffdb7b7d2e0 RDI: 0000000000000005
[   22.068483][  T357] RBP: 00007ffdb7b7d240 R08: 0000000000000000 R09: 0000000000000000
[   22.068484][  T357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da51
[   22.068485][  T357] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb7b7d9a0
| [   26.228876][  T389] softirqs last disabled at (18400): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   26.228878][  T389] Preemption disabled at:
| [   26.228879][  T389] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.228888][  T389] Tainted: [W]=WARN
[   26.228889][  T389] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.228890][  T389] Call Trace:
[   26.228892][  T389]  <TASK>
[   26.228893][  T389]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.228900][  T389]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.228902][  T389]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.228906][  T389]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.228911][  T389]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.228916][  T389]  __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))
[   26.228918][  T389]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.228924][  T389]  ? 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)
[   26.228927][  T389]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.228930][  T389]  put_chars (drivers/char/virtio_console.c:1176)
[   26.228932][  T389]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   26.228935][  T389]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.228943][  T389]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.228947][  T389]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.228950][  T389]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.228954][  T389]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.228957][  T389]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.228959][  T389]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.228960][  T389]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.228964][  T389]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.228966][  T389]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   26.228969][  T389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.228972][  T389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.228976][  T389]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.228979][  T389]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.228981][  T389]  ? 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))
[   26.228984][  T389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.228987][  T389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.228991][  T389]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.228995][  T389]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.228997][  T389]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.229002][  T389]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.229004][  T389]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.229006][  T389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.229008][  T389]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.229012][  T389]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.229014][  T389]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.229017][  T389]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.229021][  T389]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.229023][  T389]  ? team_nl_send_multicast (./include/net/netlink.h:1165 ./include/net/genetlink.h:497 ./include/net/genetlink.h:514 drivers/net/team/team_core.c:3032)
[   26.229027][  T389]  ? team_nl_send_options_get (drivers/net/team/team_core.c:2678)
[   26.229030][  T389]  _printk (kernel/printk/printk.c:2504)
[   26.229034][  T389]  ? snapshot_read.cold (user.c:?)
[   26.229038][  T389]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.229041][  T389]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   26.229044][  T389]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   26.229047][  T389]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   26.229051][  T389]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.229053][  T389]  ? netdev_notice (net/core/dev.c:13194)
[   26.229055][  T389]  ? team_nl_send_options_get (./include/linux/skbuff.h:2915 (discriminator 2))
[   26.229059][  T389]  ? team_options_register (drivers/net/team/team_core.c:343)
[   26.229061][  T389]  ? lb_init (drivers/net/team/team_mode_loadbalance.c:617)
[   26.229065][  T389]  team_mode_option_set.cold (drivers/net/team/team_core.c:639 drivers/net/team/team_core.c:1486)
[   26.229071][  T389]  team_nl_options_set_doit (drivers/net/team/team_core.c:375 drivers/net/team/team_core.c:2849)
[   26.229076][  T389]  ? team_nl_options_get_doit (drivers/net/team/team_core.c:2714)
[   26.229079][  T389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.229086][  T389]  ? __nla_parse (lib/nlattr.c:732)
[   26.229089][  T389]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   26.229093][  T389]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   26.229095][  T389]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   26.229098][  T389]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   26.229104][  T389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.229106][  T389]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   26.229110][  T389]  ? write_profile (profile.c:?)
[   26.229112][  T389]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   26.229117][  T389]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   26.229121][  T389]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   26.229123][  T389]  ? team_nl_options_get_doit (drivers/net/team/team_core.c:2714)
[   26.229126][  T389]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.229131][  T389]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   26.229134][  T389]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.229136][  T389]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   26.229139][  T389]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.229146][  T389]  ? 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))
[   26.229147][  T389]  ? 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))
[   26.229151][  T389]  genl_rcv (net/netlink/genetlink.c:1218)
[   26.229153][  T389]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.229157][  T389]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.229160][  T389]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.229164][  T389]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.229167][  T389]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.229171][  T389]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   26.229177][  T389]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   26.229181][  T389]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.229183][  T389]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   26.229184][  T389]  ? move_addr_to_kernel (net/socket.c:258)
[   26.229188][  T389]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.229190][  T389]  ? net_dim (lib/dim/net_dim.c:265 (discriminator 3) lib/dim/net_dim.c:309 (discriminator 3) lib/dim/net_dim.c:364 (discriminator 3))
[   26.229193][  T389]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.229197][  T389]  ___sys_sendmsg (net/socket.c:2767)
[   26.229199][  T389]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.229202][  T389]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.229209][  T389]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.229215][  T389]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.229217][  T389]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.229221][  T389]  __sys_sendmsg (net/socket.c:2799)
[   26.229224][  T389]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.229226][  T389]  ? do_pipe2 (fs/pipe.c:1129)
[   26.229233][  T389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.229235][  T389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.229239][  T389]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.229240][  T389]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.229243][  T389]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.229245][  T389] RIP: 0033:0x7fc48045754e
[   26.229249][  T389] 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 <c9> 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
[   26.229251][  T389] RSP: 002b:00007ffe4daf84b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.229254][  T389] RAX: ffffffffffffffda RBX: 000055e6fc131f70 RCX: 00007fc48045754e
[   26.229255][  T389] RDX: 0000000000000000 RSI: 00007ffe4daf8550 RDI: 0000000000000007
[   26.229256][  T389] RBP: 00007ffe4daf84c0 R08: 0000000000000000 R09: 0000000000000000
[   26.229257][  T389] R10: 0000000000000000 R11: 0000000000000202 R12: 000055e6fc137c30
[   26.229258][  T389] R13: 00007ffe4daf8550 R14: 000055e6fc131e80 R15: 0000000000000000
| [   32.080425][  T438] softirqs last disabled at (15806): fib6_run_gc (./include/linux/spinlock.h:431 net/ipv6/ip6_fib.c:2437)
| [   32.080428][  T438] Preemption disabled at:
| [   32.080429][  T438] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.080438][  T438] Tainted: [W]=WARN
[   32.080439][  T438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.080441][  T438] Call Trace:
[   32.080442][  T438]  <TASK>
[   32.080444][  T438]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.080450][  T438]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.080452][  T438]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.080457][  T438]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.080461][  T438]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.080466][  T438]  __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))
[   32.080468][  T438]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.080474][  T438]  ? 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)
[   32.080476][  T438]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.080480][  T438]  put_chars (drivers/char/virtio_console.c:1176)
[   32.080481][  T438]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   32.080483][  T438]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.080486][  T438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.080490][  T438]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.080494][  T438]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.080497][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.080498][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.080503][  T438]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.080504][  T438]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   32.080507][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.080510][  T438]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.080514][  T438]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.080517][  T438]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.080519][  T438]  ? 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))
[   32.080522][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.080524][  T438]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.080528][  T438]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.080532][  T438]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.080535][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.080544][  T438]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.080548][  T438]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.080550][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.080552][  T438]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   32.080556][  T438]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.080557][  T438]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.080560][  T438]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.080564][  T438]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.080566][  T438]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.080568][  T438]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.080570][  T438]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.080572][  T438]  ? look_up_lock_class (kernel/locking/lockdep.c:949 (discriminator 5))
[   32.080575][  T438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.080579][  T438]  _printk (kernel/printk/printk.c:2504)
[   32.080583][  T438]  ? snapshot_read.cold (user.c:?)
[   32.080586][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.080588][  T438]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   32.080592][  T438]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   32.080595][  T438]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.080597][  T438]  ? netdev_notice (net/core/dev.c:13194)
[   32.080602][  T438]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   32.080603][  T438]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   32.080605][  T438]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   32.080608][  T438]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   32.080610][  T438]  ? kvfree_call_rcu (mm/slab_common.c:1509 (discriminator 3) mm/slab_common.c:2081 (discriminator 3))
[   32.080615][  T438]  team_port_del (drivers/net/team/team_core.c:1468)
[   32.080620][  T438]  do_set_master (net/core/rtnetlink.c:3055)
[   32.080625][  T438]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   32.080629][  T438]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.080632][  T438]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.080634][  T438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.080635][  T438]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.080639][  T438]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.080641][  T438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.080643][  T438]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.080646][  T438]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.080648][  T438]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.080650][  T438]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.080653][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.080654][  T438]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   32.080657][  T438]  ? ___sys_sendmsg (net/socket.c:2757)
[   32.080662][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.080664][  T438]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.080666][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.080668][  T438]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.080670][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.080672][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.080674][  T438]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.080678][  T438]  ? __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)
[   32.080680][  T438]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.080682][  T438]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.080685][  T438]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.080687][  T438]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.080691][  T438]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   32.080696][  T438]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.080701][  T438]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.080703][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.080707][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.080709][  T438]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.080711][  T438]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.080713][  T438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.080716][  T438]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.080718][  T438]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.080721][  T438]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.080723][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.080727][  T438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.080729][  T438]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.080732][  T438]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.080734][  T438]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.080736][  T438]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.080743][  T438]  ? 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))
[   32.080744][  T438]  ? 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))
[   32.080748][  T438]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.080752][  T438]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.080754][  T438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.080758][  T438]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.080762][  T438]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.080765][  T438]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   32.080770][  T438]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.080772][  T438]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.080774][  T438]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   32.080776][  T438]  ? move_addr_to_kernel (net/socket.c:258)
[   32.080783][  T438]  ___sys_sendmsg (net/socket.c:2767)
[   32.080786][  T438]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.080801][  T438]  __sys_sendmsg (net/socket.c:2799)
[   32.080804][  T438]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.080810][  T438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.080813][  T438]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.080815][  T438]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.080817][  T438]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.080820][  T438] RIP: 0033:0x7fc82467c54e
[   32.080824][  T438] 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 <c9> 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
[   32.080825][  T438] RSP: 002b:00007ffe574f27e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.080828][  T438] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc82467c54e
[   32.080829][  T438] RDX: 0000000000000000 RSI: 00007ffe574f2890 RDI: 0000000000000005
[   32.080830][  T438] RBP: 00007ffe574f27f0 R08: 0000000000000000 R09: 0000000000000000
[   32.080831][  T438] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da5b
[   32.080832][  T438] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe574f2f50
| [   35.810293][  T449] softirqs last disabled at (15100): fib6_run_gc (./include/linux/spinlock.h:431 net/ipv6/ip6_fib.c:2437)
| [   35.810296][  T449] Preemption disabled at:
| [   35.810296][  T449] vprintk_emit (kernel/printk/printk.c:2471)
| [   35.810305][  T449] Tainted: [W]=WARN
[   35.810306][  T449] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.810308][  T449] Call Trace:
[   35.810309][  T449]  <TASK>
[   35.810311][  T449]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.810317][  T449]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   35.810319][  T449]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.810326][  T449]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.810330][  T449]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   35.810335][  T449]  __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))
[   35.810337][  T449]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.810342][  T449]  ? 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)
[   35.810345][  T449]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.810348][  T449]  put_chars (drivers/char/virtio_console.c:1176)
[   35.810350][  T449]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   35.810352][  T449]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.810355][  T449]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.810358][  T449]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.810362][  T449]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.810365][  T449]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.810366][  T449]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.810371][  T449]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.810372][  T449]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   35.810375][  T449]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.810378][  T449]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.810382][  T449]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.810385][  T449]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.810387][  T449]  ? 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))
[   35.810390][  T449]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.810392][  T449]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.810396][  T449]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.810400][  T449]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.810402][  T449]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.810407][  T449]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.810410][  T449]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.810411][  T449]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.810414][  T449]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   35.810417][  T449]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.810419][  T449]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.810422][  T449]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.810425][  T449]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.810427][  T449]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   35.810429][  T449]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.810431][  T449]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.810433][  T449]  ? look_up_lock_class (kernel/locking/lockdep.c:949 (discriminator 5))
[   35.810436][  T449]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.810439][  T449]  _printk (kernel/printk/printk.c:2504)
[   35.810443][  T449]  ? snapshot_read.cold (user.c:?)
[   35.810446][  T449]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.810448][  T449]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   35.810452][  T449]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   35.810455][  T449]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   35.810457][  T449]  ? netdev_notice (net/core/dev.c:13194)
[   35.810462][  T449]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   35.810464][  T449]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   35.810465][  T449]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   35.810468][  T449]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   35.810470][  T449]  ? kvfree_call_rcu (mm/slab_common.c:1509 (discriminator 3) mm/slab_common.c:2081 (discriminator 3))
[   35.810475][  T449]  team_port_del (drivers/net/team/team_core.c:1468)
[   35.810480][  T449]  do_set_master (net/core/rtnetlink.c:3055)
[   35.810485][  T449]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   35.810488][  T449]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   35.810492][  T449]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   35.810493][  T449]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.810495][  T449]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.810498][  T449]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.810500][  T449]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.810502][  T449]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.810504][  T449]  ? kasan_save_stack (mm/kasan/common.c:58)
[   35.810507][  T449]  ? kasan_save_stack (mm/kasan/common.c:57)
[   35.810509][  T449]  ? kasan_save_track (mm/kasan/common.c:78)
[   35.810512][  T449]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.810513][  T449]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   35.810516][  T449]  ? ___sys_sendmsg (net/socket.c:2757)
[   35.810521][  T449]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.810523][  T449]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.810525][  T449]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.810527][  T449]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.810529][  T449]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.810531][  T449]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.810533][  T449]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   35.810537][  T449]  ? __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)
[   35.810540][  T449]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   35.810544][  T449]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.810549][  T449]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   35.810551][  T449]  ? nla_get_range_signed (lib/nlattr.c:270)
[   35.810556][  T449]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   35.810561][  T449]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   35.810566][  T449]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.810568][  T449]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.810573][  T449]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.810574][  T449]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.810576][  T449]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.810578][  T449]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.810582][  T449]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.810584][  T449]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.810587][  T449]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.810588][  T449]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.810592][  T449]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.810594][  T449]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.810597][  T449]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.810599][  T449]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.810602][  T449]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.810607][  T449]  ? 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))
[   35.810609][  T449]  ? 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))
[   35.810613][  T449]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.810617][  T449]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.810619][  T449]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.810623][  T449]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.810627][  T449]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.810630][  T449]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   35.810635][  T449]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   35.810637][  T449]  ? copy_msghdr_from_user (net/socket.c:2650)
[   35.810640][  T449]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   35.810641][  T449]  ? move_addr_to_kernel (net/socket.c:258)
[   35.810648][  T449]  ___sys_sendmsg (net/socket.c:2767)
[   35.810651][  T449]  ? copy_msghdr_from_user (net/socket.c:2619)
[   35.810666][  T449]  __sys_sendmsg (net/socket.c:2799)
[   35.810669][  T449]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   35.810675][  T449]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.810678][  T449]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.810680][  T449]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.810682][  T449]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.810685][  T449] RIP: 0033:0x7f324db7954e
[   35.810689][  T449] 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 <c9> 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
[   35.810690][  T449] RSP: 002b:00007fff812cab40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.810693][  T449] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f324db7954e
[   35.810695][  T449] RDX: 0000000000000000 RSI: 00007fff812cabf0 RDI: 0000000000000005
[   35.810695][  T449] RBP: 00007fff812cab50 R08: 0000000000000000 R09: 0000000000000000
[   35.810696][  T449] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da5f
[   35.810697][  T449] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff812cb2b0
| [   39.991807][  T481] softirqs last disabled at (30310): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   39.991810][  T481] Preemption disabled at:
| [   39.991811][  T481] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.991820][  T481] Tainted: [W]=WARN
[   39.991821][  T481] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.991822][  T481] Call Trace:
[   39.991824][  T481]  <TASK>
[   39.991826][  T481]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.991832][  T481]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.991834][  T481]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.991839][  T481]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.991843][  T481]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   39.991849][  T481]  __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))
[   39.991851][  T481]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.991857][  T481]  ? 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)
[   39.991859][  T481]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.991863][  T481]  put_chars (drivers/char/virtio_console.c:1176)
[   39.991865][  T481]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   39.991867][  T481]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.991870][  T481]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.991875][  T481]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.991877][  T481]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.991881][  T481]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.991884][  T481]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.991886][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.991887][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.991891][  T481]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.991894][  T481]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   39.991897][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.991899][  T481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.991903][  T481]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.991907][  T481]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.991909][  T481]  ? 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))
[   39.991912][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.991915][  T481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.991919][  T481]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.991923][  T481]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.991925][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.991931][  T481]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.991934][  T481]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.991935][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.991943][  T481]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.991947][  T481]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.991949][  T481]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.991952][  T481]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.991956][  T481]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.991959][  T481]  ? team_nl_send_multicast (./include/net/netlink.h:1165 ./include/net/genetlink.h:497 ./include/net/genetlink.h:514 drivers/net/team/team_core.c:3032)
[   39.991963][  T481]  ? team_nl_send_options_get (drivers/net/team/team_core.c:2678)
[   39.991966][  T481]  _printk (kernel/printk/printk.c:2504)
[   39.991970][  T481]  ? snapshot_read.cold (user.c:?)
[   39.991973][  T481]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   39.991977][  T481]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   39.991980][  T481]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.991984][  T481]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.991988][  T481]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.991990][  T481]  ? netdev_notice (net/core/dev.c:13194)
[   39.991992][  T481]  ? team_nl_send_options_get (./include/linux/skbuff.h:2915 (discriminator 2))
[   39.991996][  T481]  ? team_options_register (drivers/net/team/team_core.c:343)
[   39.991998][  T481]  ? lb_init (drivers/net/team/team_mode_loadbalance.c:617)
[   39.992003][  T481]  team_mode_option_set.cold (drivers/net/team/team_core.c:639 drivers/net/team/team_core.c:1486)
[   39.992008][  T481]  team_nl_options_set_doit (drivers/net/team/team_core.c:375 drivers/net/team/team_core.c:2849)
[   39.992014][  T481]  ? team_nl_options_get_doit (drivers/net/team/team_core.c:2714)
[   39.992016][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.992024][  T481]  ? __nla_parse (lib/nlattr.c:732)
[   39.992027][  T481]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   39.992031][  T481]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   39.992033][  T481]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   39.992036][  T481]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   39.992042][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.992045][  T481]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   39.992048][  T481]  ? write_profile (profile.c:?)
[   39.992051][  T481]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   39.992056][  T481]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   39.992059][  T481]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   39.992062][  T481]  ? team_nl_options_get_doit (drivers/net/team/team_core.c:2714)
[   39.992065][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.992070][  T481]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   39.992073][  T481]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.992075][  T481]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   39.992079][  T481]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.992086][  T481]  ? 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))
[   39.992087][  T481]  ? 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))
[   39.992091][  T481]  genl_rcv (net/netlink/genetlink.c:1218)
[   39.992093][  T481]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.992097][  T481]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.992100][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.992104][  T481]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.992108][  T481]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.992112][  T481]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   39.992118][  T481]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.992122][  T481]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.992124][  T481]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   39.992126][  T481]  ? move_addr_to_kernel (net/socket.c:258)
[   39.992130][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.992132][  T481]  ? net_dim (lib/dim/net_dim.c:265 (discriminator 3) lib/dim/net_dim.c:309 (discriminator 3) lib/dim/net_dim.c:364 (discriminator 3))
[   39.992134][  T481]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.992138][  T481]  ___sys_sendmsg (net/socket.c:2767)
[   39.992141][  T481]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.992143][  T481]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.992151][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.992157][  T481]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.992159][  T481]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.992164][  T481]  __sys_sendmsg (net/socket.c:2799)
[   39.992166][  T481]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.992168][  T481]  ? do_pipe2 (fs/pipe.c:1129)
[   39.992175][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.992178][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.992181][  T481]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.992183][  T481]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.992186][  T481]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.992188][  T481] RIP: 0033:0x7f42109ee54e
[   39.992192][  T481] 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 <c9> 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
[   39.992194][  T481] RSP: 002b:00007fffae4ce080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.992197][  T481] RAX: ffffffffffffffda RBX: 000055bcb5dc0f70 RCX: 00007f42109ee54e
[   39.992198][  T481] RDX: 0000000000000000 RSI: 00007fffae4ce120 RDI: 0000000000000007
[   39.992199][  T481] RBP: 00007fffae4ce090 R08: 0000000000000000 R09: 0000000000000000
[   39.992200][  T481] R10: 0000000000000000 R11: 0000000000000202 R12: 000055bcb5dc6c30
[   39.992201][  T481] R13: 00007fffae4ce120 R14: 000055bcb5dc0e80 R15: 0000000000000000
| [   45.870249][  T302] softirqs last disabled at (167954): fib6_run_gc (./include/linux/spinlock.h:431 net/ipv6/ip6_fib.c:2437)
| [   45.870252][  T302] Preemption disabled at:
| [   45.870252][  T302] vprintk_emit (kernel/printk/printk.c:2471)
| [   45.870261][  T302] Tainted: [W]=WARN
[   45.870262][  T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.870264][  T302] Call Trace:
[   45.870266][  T302]  <TASK>
[   45.870267][  T302]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.870273][  T302]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   45.870276][  T302]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.870280][  T302]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.870284][  T302]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   45.870289][  T302]  __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))
[   45.870291][  T302]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.870297][  T302]  ? 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)
[   45.870300][  T302]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.870303][  T302]  put_chars (drivers/char/virtio_console.c:1176)
[   45.870305][  T302]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   45.870307][  T302]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.870310][  T302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.870313][  T302]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.870317][  T302]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.870320][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.870325][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.870330][  T302]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.870331][  T302]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   45.870334][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.870337][  T302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.870341][  T302]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.870345][  T302]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.870347][  T302]  ? 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))
[   45.870350][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.870352][  T302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.870356][  T302]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.870360][  T302]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.870362][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.870367][  T302]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.870369][  T302]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.870371][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.870373][  T302]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   45.870377][  T302]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.870378][  T302]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.870382][  T302]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.870385][  T302]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.870387][  T302]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   45.870389][  T302]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.870391][  T302]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.870393][  T302]  ? look_up_lock_class (kernel/locking/lockdep.c:949 (discriminator 5))
[   45.870396][  T302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.870400][  T302]  _printk (kernel/printk/printk.c:2504)
[   45.870403][  T302]  ? snapshot_read.cold (user.c:?)
[   45.870407][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.870409][  T302]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   45.870412][  T302]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   45.870415][  T302]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   45.870418][  T302]  ? netdev_notice (net/core/dev.c:13194)
[   45.870422][  T302]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   45.870424][  T302]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   45.870425][  T302]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   45.870428][  T302]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   45.870430][  T302]  ? kvfree_call_rcu (mm/slab_common.c:1509 (discriminator 3) mm/slab_common.c:2081 (discriminator 3))
[   45.870435][  T302]  team_port_del (drivers/net/team/team_core.c:1468)
[   45.870441][  T302]  do_set_master (net/core/rtnetlink.c:3055)
[   45.870445][  T302]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   45.870449][  T302]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   45.870452][  T302]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   45.870453][  T302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   45.870455][  T302]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.870459][  T302]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.870461][  T302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.870463][  T302]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.870466][  T302]  ? kasan_save_stack (mm/kasan/common.c:58)
[   45.870469][  T302]  ? kasan_save_stack (mm/kasan/common.c:57)
[   45.870470][  T302]  ? kasan_save_track (mm/kasan/common.c:78)
[   45.870473][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.870475][  T302]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   45.870478][  T302]  ? ___sys_sendmsg (net/socket.c:2757)
[   45.870482][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.870484][  T302]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.870487][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.870489][  T302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.870491][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.870492][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.870495][  T302]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   45.870499][  T302]  ? __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)
[   45.870500][  T302]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   45.870502][  T302]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.870505][  T302]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   45.870507][  T302]  ? nla_get_range_signed (lib/nlattr.c:270)
[   45.870512][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   45.870517][  T302]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   45.870522][  T302]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.870524][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.870528][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.870530][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.870532][  T302]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.870535][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.870542][  T302]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.870546][  T302]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.870549][  T302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.870551][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.870555][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.870557][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.870560][  T302]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.870562][  T302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.870565][  T302]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.870571][  T302]  ? 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))
[   45.870572][  T302]  ? 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))
[   45.870576][  T302]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.870580][  T302]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.870582][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.870586][  T302]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.870590][  T302]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.870594][  T302]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   45.870598][  T302]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.870601][  T302]  ? copy_msghdr_from_user (net/socket.c:2650)
[   45.870603][  T302]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   45.870605][  T302]  ? move_addr_to_kernel (net/socket.c:258)
[   45.870612][  T302]  ___sys_sendmsg (net/socket.c:2767)
[   45.870614][  T302]  ? copy_msghdr_from_user (net/socket.c:2619)
[   45.870622][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.870629][  T302]  ? __ia32_sys_connect (net/socket.c:2186)
[   45.870633][  T302]  __sys_sendmsg (net/socket.c:2799)
[   45.870636][  T302]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   45.870642][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.870645][  T302]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.870647][  T302]  ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 18))
[   45.870650][  T302]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.870652][  T302] RIP: 0033:0x7fae18c8d54e
[   45.870656][  T302] 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 <c9> 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
[   45.870658][  T302] RSP: 002b:00007ffcae833500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.870661][  T302] RAX: ffffffffffffffda RBX: 0000559cd781c330 RCX: 00007fae18c8d54e
[   45.870662][  T302] RDX: 0000000000000000 RSI: 00007ffcae8335a0 RDI: 0000000000000005
[   45.870663][  T302] RBP: 00007ffcae833510 R08: 0000000000000000 R09: 0000000000000000
[   45.870664][  T302] R10: 0000000000000000 R11: 0000000000000202 R12: 0000559cd7841020


Finger prints:
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
fib6_run_gc:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars