======================================
| [    9.628259][  T186] softirqs last disabled at (40387): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.628262][  T186] Preemption disabled at:
| [    9.628263][  T186] 0x0
| [    9.628273][  T186] Tainted: [W]=WARN
[    9.628274][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.628276][  T186] Call Trace:
[    9.628277][  T186]  <TASK>
[    9.628279][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.628285][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.628290][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.628294][  T186]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.628299][  T186]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.628302][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.628308][  T186]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.628311][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.628314][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[    9.628318][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.628320][  T186]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[    9.628323][  T186]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.628327][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.628332][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.628336][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.628338][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.628343][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.628347][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.628349][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.628353][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.628357][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.628361][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.628363][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.628367][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.628371][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.628372][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.628378][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.628380][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.628382][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.628384][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.628388][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.628390][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.628393][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.628396][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.628399][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.628403][  T186]  _printk (kernel/printk/printk.c:2504)
[    9.628407][  T186]  ? snapshot_read.cold (user.c:?)
[    9.628410][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.628412][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.628416][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.628418][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.628422][  T186]  ? exit_notify (kernel/exit.c:780)
[    9.628423][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.628426][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.628430][  T186]  do_group_exit (kernel/exit.c:1151)
[    9.628433][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.628435][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.628438][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.628441][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.628444][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.628446][  T186] RIP: 0033:0x7f99ddc051b8
[    9.628449][  T186] Code: Unable to access opcode bytes at 0x7f99ddc0518e.

Code starting with the faulting instruction
===========================================
[    9.628450][  T186] RSP: 002b:00007ffedb1db738 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.628452][  T186] RAX: ffffffffffffffda RBX: 00007f99ddd35f88 RCX: 00007f99ddc051b8
[    9.628453][  T186] RDX: 00007f99dd94ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.628454][  T186] RBP: 00007ffedb1db790 R08: 0000000000000000 R09: 0000000000008010
[    9.628455][  T186] R10: 00007ffedb1db550 R11: 0000000000000246 R12: 0000000000000001
[    9.628456][  T186] R13: 0000000000000000 R14: 00007f99ddd34680 R15: 00007f99ddd35fa0
| [   11.196297][  T206] softirqs last disabled at (40132): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858)
| [   11.196300][  T206] Preemption disabled at:
| [   11.196300][  T206] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.196309][  T206] Tainted: [W]=WARN
[   11.196310][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.196312][  T206] Call Trace:
[   11.196313][  T206]  <TASK>
[   11.196315][  T206]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.196320][  T206]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.196321][  T206]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.196326][  T206]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.196330][  T206]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.196335][  T206]  __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))
[   11.196338][  T206]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.196344][  T206]  ? 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)
[   11.196346][  T206]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.196350][  T206]  put_chars (drivers/char/virtio_console.c:1176)
[   11.196352][  T206]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   11.196355][  T206]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.196358][  T206]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.196363][  T206]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.196371][  T206]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.196374][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.196377][  T206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.196382][  T206]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.196385][  T206]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.196389][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.196391][  T206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.196395][  T206]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.196399][  T206]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.196401][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.196406][  T206]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.196409][  T206]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.196410][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.196412][  T206]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.196416][  T206]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.196418][  T206]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.196421][  T206]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.196424][  T206]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.196428][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.196431][  T206]  _printk (kernel/printk/printk.c:2504)
[   11.196435][  T206]  ? snapshot_read.cold (user.c:?)
[   11.196436][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.196440][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.196442][  T206]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.196445][  T206]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.196448][  T206]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.196451][  T206]  ? netdev_notice (net/core/dev.c:13194)
[   11.196452][  T206]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   11.196455][  T206]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.196459][  T206]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.196461][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.196463][  T206]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   11.196466][  T206]  ? packet_release (./include/linux/netdevice.h:4548 ./include/linux/netdevice.h:4565 ./include/linux/netdevice.h:4561 net/packet/af_packet.c:3176)
[   11.196468][  T206]  ? __fput (fs/file_table.c:512)
[   11.196471][  T206]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.196474][  T206]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   11.196479][  T206]  netif_set_promiscuity (net/core/dev.c:9699)
[   11.196483][  T206]  dev_set_promiscuity (net/core/dev_api.c:288)
[   11.196487][  T206]  packet_release (net/packet/af_packet.c:3807 net/packet/af_packet.c:3181)
[   11.196492][  T206]  ? packet_set_ring (net/packet/af_packet.c:652)
[   11.196495][  T206]  ? rwsem_down_write_slowpath (./include/linux/list.h:170)
[   11.196500][  T206]  __sock_release (net/socket.c:735)
[   11.196504][  T206]  sock_close (net/socket.c:1526 (discriminator 1))
[   11.196506][  T206]  __fput (fs/file_table.c:512)
[   11.196511][  T206]  fput_close_sync (fs/file_table.c:617)
[   11.196513][  T206]  ? alloc_file_clone (fs/file_table.c:479)
[   11.196516][  T206]  ? 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)
[   11.196519][  T206]  __x64_sys_close (fs/open.c:1560 fs/open.c:1545 fs/open.c:1545)
[   11.196522][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.196524][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.196527][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.196529][  T206] RIP: 0033:0x7f08fdd8354e
[   11.196533][  T206] 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
[   11.196535][  T206] RSP: 002b:00007fff5ce6b340 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
[   11.196538][  T206] RAX: ffffffffffffffda RBX: 000055c20bda1690 RCX: 00007f08fdd8354e
[   11.196539][  T206] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[   11.196540][  T206] RBP: 00007fff5ce6b350 R08: 0000000000000000 R09: 0000000000000000
[   11.196541][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[   11.196542][  T206] R13: 0000000000000000 R14: 000055c1fa256800 R15: 0000000000000001
| [   12.769409][  T208] softirqs last disabled at (884232): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858)
| [   12.769412][  T208] Preemption disabled at:
| [   12.769413][  T208] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.769422][  T208] Tainted: [W]=WARN
[   12.769423][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.769425][  T208] Call Trace:
[   12.769426][  T208]  <TASK>
[   12.769428][  T208]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.769432][  T208]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.769434][  T208]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.769439][  T208]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.769442][  T208]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.769448][  T208]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.769450][  T208]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.769456][  T208]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.769458][  T208]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.769462][  T208]  put_chars (drivers/char/virtio_console.c:1176)
[   12.769465][  T208]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.769469][  T208]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.769475][  T208]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.769478][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.769484][  T208]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.769487][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.769493][  T208]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.769496][  T208]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.769500][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.769502][  T208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.769506][  T208]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.769510][  T208]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.769511][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.769517][  T208]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.769519][  T208]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.769521][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.769523][  T208]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.769526][  T208]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.769528][  T208]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.769531][  T208]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.769534][  T208]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.769537][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.769539][  T208]  ? init_object (mm/slab.h:553 mm/slab.h:954 mm/slub.c:1300)
[   12.769543][  T208]  _printk (kernel/printk/printk.c:2504)
[   12.769547][  T208]  ? snapshot_read.cold (user.c:?)
[   12.769550][  T208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.769552][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.769553][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.769554][  T208]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   12.769558][  T208]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   12.769561][  T208]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.769563][  T208]  ? netdev_notice (net/core/dev.c:13194)
[   12.769565][  T208]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.769574][  T208]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   12.769578][  T208]  netif_set_promiscuity (net/core/dev.c:9699)
[   12.769581][  T208]  dev_set_promiscuity (net/core/dev_api.c:288)
[   12.769583][  T208]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.769586][  T208]  packet_mc_add (net/packet/af_packet.c:3755)
[   12.769588][  T208]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.769592][  T208]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.769595][  T208]  ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18)
[   12.769599][  T208]  packet_setsockopt (net/packet/af_packet.c:3840)
[   12.769604][  T208]  ? packet_bind (net/packet/af_packet.c:3341)
[   12.769606][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.769608][  T208]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.769611][  T208]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.769613][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.769615][  T208]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   12.769618][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.769619][  T208]  ? __create_object (mm/kmemleak.c:807 (discriminator 3))
[   12.769622][  T208]  ? __raw_spin_lock_init (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/spinlock_debug.c:25)
[   12.769623][  T208]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4989)
[   12.769627][  T208]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[   12.769630][  T208]  ? kfree (mm/slub.c:6778 (discriminator 1))
[   12.769634][  T208]  do_sock_setsockopt (net/socket.c:2397)
[   12.769638][  T208]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   12.769640][  T208]  ? fd_install (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:971 (discriminator 2) fs/file.c:698 (discriminator 2))
[   12.769648][  T208]  __sys_setsockopt (net/socket.c:2422)
[   12.769652][  T208]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   12.769660][  T208]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.769663][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.769664][  T208]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   12.769666][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.769667][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.769670][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.769672][  T208] RIP: 0033:0x7f7b970cf2de
[   12.769676][  T208] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 72 f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 e1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 72 f7 ff       	call   0xfffffffffff772ac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	e1                   	.byte 0xe1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	e1                   	.byte 0xe1
[   12.769678][  T208] RSP: 002b:00007fff4cbfb4d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000036
[   12.769681][  T208] RAX: ffffffffffffffda RBX: 00007f7b930636f0 RCX: 00007f7b970cf2de
[   12.769682][  T208] RDX: 0000000000000001 RSI: 0000000000000107 RDI: 0000000000000006
[   12.769683][  T208] RBP: 00007fff4cbfb560 R08: 0000000000000010 R09: 00007fff4cbfb400
[   12.769684][  T208] R10: 00007f7b92e6ff90 R11: 0000000000000202 R12: 00007f7b93064600
[   12.769685][  T208] R13: 0000000000000003 R14: 00007f7b93064600 R15: 00007fff4cbfb838
| [   14.842372][  T208] softirqs last disabled at (890654): __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
| [   14.842375][  T208] Preemption disabled at:
| [   14.842376][  T208] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.842388][  T208] Tainted: [W]=WARN
[   14.842389][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.842392][  T208] Call Trace:
[   14.842394][  T208]  <TASK>
[   14.842396][  T208]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.842403][  T208]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.842405][  T208]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.842412][  T208]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.842417][  T208]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.842425][  T208]  __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))
[   14.842429][  T208]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.842439][  T208]  ? 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)
[   14.842442][  T208]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.842448][  T208]  put_chars (drivers/char/virtio_console.c:1176)
[   14.842453][  T208]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.842459][  T208]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.842468][  T208]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.842480][  T208]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.842485][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.842489][  T208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.842497][  T208]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.842503][  T208]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.842510][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.842513][  T208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.842521][  T208]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.842527][  T208]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.842529][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.842539][  T208]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.842543][  T208]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.842545][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.842549][  T208]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.842555][  T208]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.842558][  T208]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.842563][  T208]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.842569][  T208]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.842573][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.842581][  T208]  _printk (kernel/printk/printk.c:2504)
[   14.842587][  T208]  ? snapshot_read.cold (user.c:?)
[   14.842592][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.842595][  T208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.842598][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.842600][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.842602][  T208]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   14.842606][  T208]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   14.842613][  T208]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.842616][  T208]  ? netdev_notice (net/core/dev.c:13194)
[   14.842621][  T208]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.842629][  T208]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.842639][  T208]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   14.842646][  T208]  netif_set_promiscuity (net/core/dev.c:9699)
[   14.842651][  T208]  dev_set_promiscuity (net/core/dev_api.c:288)
[   14.842657][  T208]  packet_setsockopt (net/packet/af_packet.c:3782 net/packet/af_packet.c:3842)
[   14.842670][  T208]  ? packet_bind (net/packet/af_packet.c:3341)
[   14.842673][  T208]  ? free_object (lib/debugobjects.c:549)
[   14.842678][  T208]  ? debug_object_free (lib/debugobjects.c:1039)
[   14.842681][  T208]  ? hrtimer_sleeper_start_expires (./include/linux/hrtimer.h:247 kernel/time/hrtimer.c:2349)
[   14.842690][  T208]  ? rt_mutex_postunlock (??:?)
[   14.842695][  T208]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   14.842704][  T208]  ? hrtimer_nanosleep (kernel/time/hrtimer.c:501 kernel/time/hrtimer.c:2490)
[   14.842708][  T208]  ? nanosleep_copyout (kernel/time/hrtimer.c:2406)
[   14.842713][  T208]  do_sock_setsockopt (net/socket.c:2397)
[   14.842719][  T208]  ? hrtimer_hres_workfn (kernel/time/hrtimer.c:136)
[   14.842722][  T208]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   14.842730][  T208]  ? common_nsleep_timens (kernel/time/posix-timers.c:1378)
[   14.842737][  T208]  __sys_setsockopt (net/socket.c:2422)
[   14.842746][  T208]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   14.842748][  T208]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.842754][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.842757][  T208]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   14.842759][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.842761][  T208]  ? irq_exit_rcu (kernel/softirq.c:786)
[   14.842767][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.842771][  T208] RIP: 0033:0x7f7b970cf2de
[   14.842776][  T208] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 72 f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 e1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 72 f7 ff       	call   0xfffffffffff772ac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	e1                   	.byte 0xe1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	e1                   	.byte 0xe1
[   14.842779][  T208] RSP: 002b:00007fff4cbfba88 EFLAGS: 00000202 ORIG_RAX: 0000000000000036
[   14.842784][  T208] RAX: ffffffffffffffda RBX: 00007f7b93061d00 RCX: 00007f7b970cf2de
[   14.842786][  T208] RDX: 0000000000000002 RSI: 0000000000000107 RDI: 0000000000000006
[   14.842787][  T208] RBP: 00007fff4cbfbb10 R08: 0000000000000010 R09: 00007fff4cbfb9b0
[   14.842789][  T208] R10: 00007f7b92e81710 R11: 0000000000000202 R12: 00007f7b93064600


Finger prints:
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
release_sock:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__dev_queue_xmit:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars