======================================
| [   10.089191][  T218] softirqs last disabled at (9946): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   10.089194][  T218] Preemption disabled at:
| [   10.089194][  T218] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.089204][  T218] Tainted: [W]=WARN
[   10.089206][  T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.089207][  T218] Call Trace:
[   10.089209][  T218]  <TASK>
[   10.089210][  T218]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.089216][  T218]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.089218][  T218]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.089223][  T218]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.089227][  T218]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.089232][  T218]  __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))
[   10.089235][  T218]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.089241][  T218]  ? 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)
[   10.089243][  T218]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.089247][  T218]  put_chars (drivers/char/virtio_console.c:1176)
[   10.089250][  T218]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.089251][  T218]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   10.089256][  T218]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.089259][  T218]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.089262][  T218]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.089264][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.089265][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.089270][  T218]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.089271][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.089276][  T218]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.089280][  T218]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.089284][  T218]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.089285][  T218]  ? 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))
[   10.089289][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.089293][  T218]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.089297][  T218]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.089301][  T218]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.089303][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.089309][  T218]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.089312][  T218]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.089314][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.089316][  T218]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.089320][  T218]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.089321][  T218]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.089325][  T218]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.089328][  T218]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.089332][  T218]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.089334][  T218]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.089339][  T218]  _printk (kernel/printk/printk.c:2504)
[   10.089342][  T218]  ? snapshot_read.cold (user.c:?)
[   10.089344][  T218]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.089346][  T218]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.089349][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.089351][  T218]  ? mpol_to_str (mm/mempolicy.c:3580)
[   10.089353][  T218]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   10.089357][  T218]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   10.089361][  T218]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.089363][  T218]  ? netdev_notice (net/core/dev.c:13194)
[   10.089364][  T218]  ? 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)
[   10.089368][  T218]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.089374][  T218]  ? 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)
[   10.089378][  T218]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   10.089383][  T218]  dev_set_allmulti (net/core/dev_api.c:315)
[   10.089386][  T218]  vif_add (net/ipv4/ipmr.c:900)
[   10.089388][  T218]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   10.089391][  T218]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.089395][  T218]  ? pim_rcv (net/ipv4/ipmr.c:2441)
[   10.089398][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.089400][  T218]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.089405][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.089408][  T218]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.089413][  T218]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1497 (discriminator 1))
[   10.089416][  T218]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2973)
[   10.089425][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.089430][  T218]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:952)
[   10.089435][  T218]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:609)
[   10.089437][  T218]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   10.089439][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.089442][  T218]  ? filemap_update_page (mm/filemap.c:2607)
[   10.089446][  T218]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   10.089450][  T218]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   10.089452][  T218]  ? handle_pte_fault (mm/memory.c:6558)
[   10.089456][  T218]  ip_setsockopt (net/ipv4/ip_sockglue.c:1421)
[   10.089460][  T218]  raw_setsockopt (net/ipv4/raw.c:851)
[   10.089464][  T218]  ? raw_bind (net/ipv4/raw.c:733)
[   10.089465][  T218]  ? __handle_mm_fault (mm/memory.c:6707)
[   10.089468][  T218]  ? __pmd_alloc (./include/linux/mm.h:1762)
[   10.089472][  T218]  do_sock_setsockopt (net/socket.c:2397)
[   10.089477][  T218]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   10.089481][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.089485][  T218]  __sys_setsockopt (net/socket.c:2422)
[   10.089490][  T218]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   10.089492][  T218]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.089495][  T218]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.089498][  T218]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   10.089500][  T218]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.089501][  T218]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.089504][  T218]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.089506][  T218] RIP: 0033:0x7f5698bf02de
[   10.089510][  T218] 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
[   10.089512][  T218] RSP: 002b:00007ffc123d50a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   10.089515][  T218] RAX: ffffffffffffffda RBX: 000055dd94dc32c0 RCX: 00007f5698bf02de
[   10.089516][  T218] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000007
[   10.089517][  T218] RBP: 00007ffc123d5160 R08: 0000000000000010 R09: 0000000000000001
[   10.089518][  T218] R10: 00007ffc123d50e0 R11: 0000000000000246 R12: 000055dd9fde96d4
[   10.089518][  T218] R13: 0000000000000001 R14: 000055dd9fde96c0 R15: 0000000000000000
| [   18.798632][  T309] softirqs last disabled at (27485): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.798634][  T309] Preemption disabled at:
| [   18.798635][  T309] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.798644][  T309] Tainted: [W]=WARN
[   18.798645][  T309] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.798647][  T309] Call Trace:
[   18.798648][  T309]  <TASK>
[   18.798650][  T309]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.798655][  T309]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.798658][  T309]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.798662][  T309]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.798666][  T309]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.798671][  T309]  __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))
[   18.798673][  T309]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.798679][  T309]  ? 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)
[   18.798682][  T309]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.798685][  T309]  put_chars (drivers/char/virtio_console.c:1176)
[   18.798687][  T309]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   18.798689][  T309]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.798692][  T309]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.798696][  T309]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.798700][  T309]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.798703][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.798705][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.798710][  T309]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.798711][  T309]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   18.798714][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.798717][  T309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.798721][  T309]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.798725][  T309]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.798727][  T309]  ? 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))
[   18.798730][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.798732][  T309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.798736][  T309]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.798741][  T309]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.798742][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.798748][  T309]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.798751][  T309]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.798752][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.798755][  T309]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.798758][  T309]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.798760][  T309]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.798764][  T309]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.798768][  T309]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.798773][  T309]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   18.798777][  T309]  _printk (kernel/printk/printk.c:2504)
[   18.798781][  T309]  ? snapshot_read.cold (user.c:?)
[   18.798787][  T309]  ? 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)
[   18.798790][  T309] gact_init_module (net/sched/act_gact.c:180) act_gact
[   18.798792][  T309]  do_one_initcall (init/main.c:1357)
[   18.798795][  T309]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   18.798800][  T309]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   18.798803][  T309]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   18.798808][  T309]  do_init_module (kernel/module/main.c:3117)
[   18.798812][  T309]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   18.798816][  T309]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   18.798819][  T309]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   18.798824][  T309]  load_module (kernel/module/main.c:3593)
[   18.798831][  T309]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   18.798835][  T309]  ? __ia32_sys_fsconfig (??:?)
[   18.798838][  T309]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   18.798842][  T309]  ? backing_file_read_iter (fs/backing-file.c:211)
[   18.798845][  T309]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.798849][  T309]  init_module_from_file (kernel/module/main.c:3790)
[   18.798852][  T309]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   18.798865][  T309]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   18.798869][  T309]  ? 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)
[   18.798872][  T309]  idempotent_init_module (kernel/module/main.c:3802)
[   18.798875][  T309]  ? init_module_from_file (kernel/module/main.c:3791)
[   18.798881][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.798884][  T309]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   18.798889][  T309]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   18.798892][  T309]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.798895][  T309]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.798897][  T309]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.798900][  T309]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.798902][  T309] RIP: 0033:0x7f7b0cfde37d
[   18.798906][  T309] 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
[   18.798907][  T309] RSP: 002b:00007ffc924a7908 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   18.798910][  T309] RAX: ffffffffffffffda RBX: 000055bfee75e810 RCX: 00007f7b0cfde37d
[   18.798911][  T309] RDX: 0000000000000000 RSI: 000055bfea370ffd RDI: 0000000000000000
[   18.798912][  T309] RBP: 00007ffc924a79a0 R08: 0000000000000000 R09: 0000000000000000
[   18.798913][  T309] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bfea370ffd
[   18.798914][  T309] R13: 000055bfee75e960 R14: 0000000000040000 R15: 0000000000000000
| [   21.695734][  T218] softirqs last disabled at (20888): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   21.695736][  T218] Preemption disabled at:
| [   21.695737][  T218] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.695746][  T218] Tainted: [W]=WARN
[   21.695747][  T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.695749][  T218] Call Trace:
[   21.695750][  T218]  <TASK>
[   21.695752][  T218]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.695758][  T218]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.695760][  T218]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.695764][  T218]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.695769][  T218]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.695774][  T218]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   21.695776][  T218]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.695781][  T218]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.695784][  T218]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.695787][  T218]  put_chars (drivers/char/virtio_console.c:1176)
[   21.695790][  T218]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.695793][  T218]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.695797][  T218]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.695800][  T218]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.695803][  T218]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.695806][  T218]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.695808][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.695809][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.695813][  T218]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.695815][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.695819][  T218]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.695823][  T218]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.695826][  T218]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.695828][  T218]  ? 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))
[   21.695831][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.695834][  T218]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.695837][  T218]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.695841][  T218]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.695843][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.695848][  T218]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.695851][  T218]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.695853][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.695855][  T218]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.695858][  T218]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.695860][  T218]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.695864][  T218]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.695867][  T218]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.695877][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.695880][  T218]  _printk (kernel/printk/printk.c:2504)
[   21.695884][  T218]  ? snapshot_read.cold (user.c:?)
[   21.695885][  T218]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   21.695889][  T218]  ? stack_depot_save_flags (lib/stackdepot.c:728 (discriminator 3))
[   21.695894][  T218]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   21.695897][  T218]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   21.695900][  T218]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.695903][  T218]  ? netdev_notice (net/core/dev.c:13194)
[   21.695905][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.695910][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.695912][  T218]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.695915][  T218]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   21.695920][  T218]  dev_set_allmulti (net/core/dev_api.c:315)
[   21.695923][  T218]  mif6_delete (net/ipv6/ip6mr.c:782)
[   21.695928][  T218]  ? ipmr_expire_process (net/ipv4/ipmr.c:790)
[   21.695930][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.695932][  T218]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.695935][  T218]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   21.695937][  T218]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.695940][  T218]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   21.695943][  T218]  mroute_clean_tables (net/ipv4/ipmr.c:1343)
[   21.695945][  T218]  ? netlink_broadcast_filtered (net/netlink/af_netlink.c:1549)
[   21.695949][  T218]  ? do_one_broadcast (net/netlink/af_netlink.c:1500)
[   21.695951][  T218]  ? inet6_netconf_fill_devconf (./include/net/netlink.h:1614 net/ipv6/addrconf.c:564)
[   21.695957][  T218]  ? ip6mr_vif_seq_start (./include/linux/seq_file_net.h:21)
[   21.695964][  T218]  ? ip6mr_sk_done (net/ipv6/ip6mr.c:1682)
[   21.695965][  T218]  ip6mr_sk_done (net/ipv6/ip6mr.c:1682)
[   21.695969][  T218]  ? ip6mr_mfc_add (./include/net/ipv6.h:593)
[   21.695971][  T218]  ? ip6mr_get_table (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/ip6mr.c:366 (discriminator 2))
[   21.695976][  T218]  ip6_mroute_setsockopt (net/ipv6/ip6mr.c:1749)
[   21.695979][  T218]  ? ip6mr_sk_done (net/ipv6/ip6mr.c:1670 (discriminator 2))
[   21.695980][  T218]  ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924)
[   21.695982][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   21.695985][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.695987][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.695989][  T218]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.695994][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.695996][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.696000][  T218]  do_ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:397)
[   21.696003][  T218]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   21.696008][  T218]  ? ipv6_set_opt_hdr (net/ipv6/ipv6_sockglue.c:343 (discriminator 1))
[   21.696010][  T218]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   21.696014][  T218]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   21.696017][  T218]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   21.696025][  T218]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.696027][  T218]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.696030][  T218]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.696031][  T218]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.696036][  T218]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.696038][  T218]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.696040][  T218]  ? kasan_record_aux_stack (mm/kasan/generic.c:556)
[   21.696042][  T218]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3181)
[   21.696044][  T218]  ? fput_close_sync (fs/file_table.c:617)
[   21.696046][  T218]  ? __x64_sys_close (fs/open.c:1560 fs/open.c:1545 fs/open.c:1545)
[   21.696049][  T218]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.696050][  T218]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.696055][  T218]  ? ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:980)
[   21.696058][  T218]  ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:980)
[   21.696061][  T218]  rawv6_setsockopt (net/ipv6/raw.c:1048)
[   21.696064][  T218]  ? raw6_seq_show (./include/net/raw.h:68)
[   21.696069][  T218]  do_sock_setsockopt (net/socket.c:2397)
[   21.696074][  T218]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   21.696075][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.696081][  T218]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.696084][  T218]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3206 (discriminator 6))
[   21.696089][  T218]  __sys_setsockopt (net/socket.c:2422)
[   21.696094][  T218]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   21.696096][  T218]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.696098][  T218]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.696099][  T218]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   21.696100][  T218]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.696102][  T218]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.696104][  T218]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.696106][  T218] RIP: 0033:0x7f5698bf02de
[   21.696110][  T218] 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
[   21.696112][  T218] RSP: 002b:00007ffc123d54b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   21.696114][  T218] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f5698bf02de
[   21.696116][  T218] RDX: 00000000000000c9 RSI: 0000000000000029 RDI: 0000000000000008
[   21.696117][  T218] RBP: 00007ffc123d54d0 R08: 0000000000000000 R09: 0000000000000160
[   21.696117][  T218] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004


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