======================================
| [   10.172249][  T176] softirqs last disabled at (55308): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   10.172251][  T176] Preemption disabled at:
| [   10.172252][  T176] 0x0
| [   10.172262][  T176] Tainted: [W]=WARN
[   10.172263][  T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.172264][  T176] Call Trace:
[   10.172266][  T176]  <TASK>
[   10.172267][  T176]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.172274][  T176]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.172278][  T176]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.172282][  T176]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.172287][  T176]  __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))
[   10.172289][  T176]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.172295][  T176]  ? 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)
[   10.172297][  T176]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.172300][  T176]  put_chars (drivers/char/virtio_console.c:1176)
[   10.172303][  T176]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.172304][  T176]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.172309][  T176]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.172314][  T176]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.172320][  T176]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.172322][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.172325][  T176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.172328][  T176]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.172332][  T176]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.172334][  T176]  ? 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))
[   10.172337][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.172339][  T176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.172343][  T176]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.172347][  T176]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.172349][  T176]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.172354][  T176]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.172357][  T176]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.172358][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.172361][  T176]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.172364][  T176]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.172366][  T176]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.172369][  T176]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.172373][  T176]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.172376][  T176]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.172379][  T176]  _printk (kernel/printk/printk.c:2504)
[   10.172383][  T176]  ? snapshot_read.cold (user.c:?)
[   10.172386][  T176]  ? 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)
[   10.172388][  T176]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.172392][  T176]  ? 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)
[   10.172394][  T176]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.172398][  T176]  ? exit_notify (kernel/exit.c:780)
[   10.172400][  T176]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.172402][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.172406][  T176]  do_group_exit (kernel/exit.c:1151)
[   10.172409][  T176]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.172411][  T176]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.172413][  T176]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.172416][  T176]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.172419][  T176]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.172421][  T176] RIP: 0033:0x7f03d5e321b8
[   10.172423][  T176] Code: Unable to access opcode bytes at 0x7f03d5e3218e.

Code starting with the faulting instruction
===========================================
[   10.172425][  T176] RSP: 002b:00007fffb5e2e928 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.172427][  T176] RAX: ffffffffffffffda RBX: 00007f03d5f62f88 RCX: 00007f03d5e321b8
[   10.172428][  T176] RDX: 00007f03d5b7cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.172429][  T176] RBP: 00007fffb5e2e980 R08: 0000000000000000 R09: 0000000000008010
[   10.172430][  T176] R10: 00007fffb5e2e740 R11: 0000000000000246 R12: 0000000000000001
[   10.172431][  T176] R13: 0000000000000000 R14: 00007f03d5f61680 R15: 00007f03d5f62fa0
| [   11.295770][  T224] softirqs last disabled at (10301): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.295773][  T224] Preemption disabled at:
| [   11.295774][  T224] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.295786][  T224] Tainted: [W]=WARN
[   11.295787][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.295790][  T224] Call Trace:
[   11.295792][  T224]  <TASK>
[   11.295794][  T224]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.295801][  T224]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.295805][  T224]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.295811][  T224]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.295816][  T224]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.295824][  T224]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.295827][  T224]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.295836][  T224]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.295839][  T224]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.295845][  T224]  put_chars (drivers/char/virtio_console.c:1176)
[   11.295849][  T224]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.295854][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.295859][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.295863][  T224]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.295869][  T224]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.295873][  T224]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.295876][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.295878][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.295885][  T224]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.295887][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.295894][  T224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.295901][  T224]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.295907][  T224]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.295910][  T224]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.295915][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.295918][  T224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.295925][  T224]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.295932][  T224]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.295935][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.295943][  T224]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.295948][  T224]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.295950][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.295954][  T224]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.295960][  T224]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.295962][  T224]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.295967][  T224]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.295973][  T224]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.295977][  T224]  ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924)
[   11.295985][  T224]  _printk (kernel/printk/printk.c:2504)
[   11.295990][  T224]  ? snapshot_read.cold (user.c:?)
[   11.295992][  T224]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.295999][  T224]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.296003][  T224]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.296009][  T224]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.296013][  T224]  ? netdev_notice (net/core/dev.c:13194)
[   11.296015][  T224]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   11.296020][  T224]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.296030][  T224]  ? 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)
[   11.296036][  T224]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   11.296043][  T224]  dev_set_allmulti (net/core/dev_api.c:315)
[   11.296049][  T224]  vif_add (net/ipv4/ipmr.c:900)
[   11.296053][  T224]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.296056][  T224]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.296058][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.296065][  T224]  ? pim_rcv (net/ipv4/ipmr.c:2441)
[   11.296070][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.296073][  T224]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.296081][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.296086][  T224]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.296094][  T224]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1497 (discriminator 1))
[   11.296100][  T224]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2973)
[   11.296102][  T224]  ? __mark_inode_dirty (./include/linux/spinlock.h:347 fs/fs-writeback.c:2773)
[   11.296110][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.296115][  T224]  ? __mark_inode_dirty (./include/linux/spinlock.h:401 fs/fs-writeback.c:2835)
[   11.296117][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5593)
[   11.296124][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.296132][  T224]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:952)
[   11.296138][  T224]  ? file_update_time_flags (fs/inode.c:2484)
[   11.296142][  T224]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:609)
[   11.296147][  T224]  ? fault_dirty_shared_page (mm/memory.c:3858)
[   11.296158][  T224]  ? do_pte_missing (mm/memory.c:6092 mm/memory.c:6138 mm/memory.c:4700)
[   11.296165][  T224]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   11.296168][  T224]  ? handle_pte_fault (mm/memory.c:6558)
[   11.296174][  T224]  ip_setsockopt (net/ipv4/ip_sockglue.c:1421)
[   11.296180][  T224]  raw_setsockopt (net/ipv4/raw.c:851)
[   11.296186][  T224]  ? raw_bind (net/ipv4/raw.c:733)
[   11.296188][  T224]  ? __handle_mm_fault (mm/memory.c:6707)
[   11.296193][  T224]  ? __pmd_alloc (./include/linux/mm.h:1762)
[   11.296198][  T224]  do_sock_setsockopt (net/socket.c:2397)
[   11.296206][  T224]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   11.296214][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.296220][  T224]  __sys_setsockopt (net/socket.c:2422)
[   11.296228][  T224]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   11.296231][  T224]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.296235][  T224]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.296238][  T224]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   11.296241][  T224]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.296243][  T224]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.296247][  T224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.296251][  T224] RIP: 0033:0x7f79d29bd2de
[   11.296256][  T224] 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
[   11.296259][  T224] RSP: 002b:00007ffc69b742c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000036
[   11.296263][  T224] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f79d29bd2de
[   11.296265][  T224] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000006
[   11.296266][  T224] RBP: 00007ffc69b743d0 R08: 0000000000000010 R09: 0000000000000000
[   11.296267][  T224] R10: 00007ffc69b74310 R11: 0000000000000202 R12: 00007ffc69b74ad8
[   11.296269][  T224] R13: 0000000000000001 R14: 00007f79d2b05000 R15: 000000000040be00
| [   12.478353][  T269] softirqs last disabled at (15374): fpu_clone (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/core.c:710 (discriminator 2))
| [   12.478356][  T269] Preemption disabled at:
| [   12.478357][  T269] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.478369][  T269] Tainted: [W]=WARN
[   12.478370][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.478373][  T269] Call Trace:
[   12.478375][  T269]  <TASK>
[   12.478377][  T269]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.478383][  T269]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.478387][  T269]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.478393][  T269]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.478398][  T269]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.478406][  T269]  __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))
[   12.478410][  T269]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.478418][  T269]  ? 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)
[   12.478421][  T269]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.478427][  T269]  put_chars (drivers/char/virtio_console.c:1176)
[   12.478429][  T269]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   12.478433][  T269]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.478438][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.478442][  T269]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.478450][  T269]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.478453][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.478456][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.478464][  T269]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.478466][  T269]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.478471][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.478475][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.478482][  T269]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.478489][  T269]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.478491][  T269]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.478496][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.478500][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.478507][  T269]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.478513][  T269]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.478516][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.478525][  T269]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.478529][  T269]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.478532][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.478535][  T269]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.478542][  T269]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.478544][  T269]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.478550][  T269]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.478560][  T269]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.478565][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.478569][  T269]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.478575][  T269]  _printk (kernel/printk/printk.c:2504)
[   12.478580][  T269]  ? snapshot_read.cold (user.c:?)
[   12.478585][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.478587][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.478591][  T269]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   12.478596][  T269]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   12.478602][  T269]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.478606][  T269]  ? netdev_notice (net/core/dev.c:13194)
[   12.478608][  T269]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   12.478614][  T269]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   12.478624][  T269]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.478630][  T269]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   12.478637][  T269]  dev_set_allmulti (net/core/dev_api.c:315)
[   12.478641][  T269]  ? dev_get_by_index (./include/linux/rcupdate.h:882 net/core/dev.c:1025)
[   12.478646][  T269]  mif6_add (net/ipv6/ip6mr.c:943)
[   12.478651][  T269]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.478659][  T269]  ? mr6_netlink_event (./include/net/net_namespace.h:422 (discriminator 7))
[   12.478661][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.478666][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.478671][  T269]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.478680][  T269]  ip6_mroute_setsockopt (net/ipv6/ip6mr.c:1759 (discriminator 1))
[   12.478686][  T269]  ? ip6mr_sk_done (net/ipv6/ip6mr.c:1670 (discriminator 2))
[   12.478689][  T269]  ? validate_chain (kernel/locking/lockdep.c:154 (discriminator 5) kernel/locking/lockdep.c:202 (discriminator 5) kernel/locking/lockdep.c:3329 (discriminator 5) kernel/locking/lockdep.c:3924 (discriminator 5))
[   12.478698][  T269]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.478708][  T269]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.478712][  T269]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.478718][  T269]  do_ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:397)
[   12.478728][  T269]  ? ipv6_set_opt_hdr (net/ipv6/ipv6_sockglue.c:343 (discriminator 1))
[   12.478734][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.478739][  T269]  ? __mark_inode_dirty (./include/linux/spinlock.h:401 fs/fs-writeback.c:2835)
[   12.478743][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5593)
[   12.478745][  T269]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.478749][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.478753][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.478759][  T269]  ? 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)
[   12.478762][  T269]  ? preempt_count_add (./include/linux/ftrace.h:1177 kernel/sched/core.c:5970 kernel/sched/core.c:5967 kernel/sched/core.c:6000)
[   12.478765][  T269]  ? mnt_put_write_access_file (fs/namespace.c:556 fs/namespace.c:580 fs/namespace.c:577)
[   12.478769][  T269]  ? mnt_put_write_access_file (fs/namespace.c:558 (discriminator 1) fs/namespace.c:580 (discriminator 1) fs/namespace.c:577 (discriminator 1))
[   12.478772][  T269]  ? file_update_time_flags (fs/inode.c:2484)
[   12.478778][  T269]  ? fault_dirty_shared_page (mm/memory.c:3858)
[   12.478785][  T269]  ? do_pte_missing (mm/memory.c:6092 mm/memory.c:6138 mm/memory.c:4700)
[   12.478794][  T269]  ? ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:980)
[   12.478797][  T269]  ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:980)
[   12.478803][  T269]  rawv6_setsockopt (net/ipv6/raw.c:1048)
[   12.478807][  T269]  ? mksaveddirty_shift (./arch/x86/include/asm/pgtable.h:373)
[   12.478811][  T269]  ? raw6_seq_show (./include/net/raw.h:68)
[   12.478817][  T269]  ? __pmd_alloc (./include/linux/mm.h:1762)
[   12.478823][  T269]  do_sock_setsockopt (net/socket.c:2397)
[   12.478830][  T269]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   12.478838][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.478844][  T269]  __sys_setsockopt (net/socket.c:2422)
[   12.478853][  T269]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   12.478856][  T269]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.478860][  T269]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.478863][  T269]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   12.478866][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.478868][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.478873][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.478876][  T269] RIP: 0033:0x7f79d29bd2de
[   12.478881][  T269] 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
[   12.478883][  T269] RSP: 002b:00007ffc69b74328 EFLAGS: 00000206 ORIG_RAX: 0000000000000036
[   12.478887][  T269] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f79d29bd2de
[   12.478889][  T269] RDX: 00000000000000ca RSI: 0000000000000029 RDI: 0000000000000006
[   12.478891][  T269] RBP: 00007ffc69b743d0 R08: 000000000000000c R09: 0000000000000000
[   12.478892][  T269] R10: 00007ffc69b7440c R11: 0000000000000206 R12: 00007ffc69b74ad8


Finger prints:
fpu_clone:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print