======================================
| [   10.067958][  T225] softirqs last disabled at (4077): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.067961][  T225] Preemption disabled at:
| [   10.067961][  T225] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.067971][  T225] Tainted: [W]=WARN
[   10.067971][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.067973][  T225] Call Trace:
[   10.067975][  T225]  <TASK>
[   10.067976][  T225]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.067982][  T225]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.067984][  T225]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.067989][  T225]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.067993][  T225]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.067999][  T225]  __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))
[   10.068001][  T225]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.068007][  T225]  ? 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)
[   10.068009][  T225]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.068013][  T225]  put_chars (drivers/char/virtio_console.c:1176)
[   10.068015][  T225]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.068017][  T225]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   10.068021][  T225]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.068024][  T225]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.068027][  T225]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.068034][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.068036][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.068040][  T225]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.068041][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.068045][  T225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.068049][  T225]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.068053][  T225]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.068055][  T225]  ? 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))
[   10.068058][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.068062][  T225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.068066][  T225]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.068070][  T225]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.068072][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.068077][  T225]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.068080][  T225]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.068081][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.068084][  T225]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.068087][  T225]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.068089][  T225]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.068092][  T225]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.068096][  T225]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.068099][  T225]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.068101][  T225]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.068106][  T225]  _printk (kernel/printk/printk.c:2504)
[   10.068109][  T225]  ? snapshot_read.cold (user.c:?)
[   10.068111][  T225]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.068113][  T225]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.068116][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.068118][  T225]  ? mpol_to_str (mm/mempolicy.c:3580)
[   10.068121][  T225]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   10.068124][  T225]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   10.068128][  T225]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.068130][  T225]  ? netdev_notice (net/core/dev.c:13194)
[   10.068131][  T225]  ? 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)
[   10.068135][  T225]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   10.068141][  T225]  ? 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)
[   10.068145][  T225]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   10.068150][  T225]  dev_set_allmulti (net/core/dev_api.c:315)
[   10.068154][  T225]  vif_add (net/ipv4/ipmr.c:900)
[   10.068155][  T225]  ? __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)
[   10.068158][  T225]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.068162][  T225]  ? pim_rcv (net/ipv4/ipmr.c:2441)
[   10.068165][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.068167][  T225]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.068172][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.068175][  T225]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.068180][  T225]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1497 (discriminator 1))
[   10.068183][  T225]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2973)
[   10.068191][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.068196][  T225]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:952)
[   10.068200][  T225]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:609)
[   10.068202][  T225]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   10.068204][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.068207][  T225]  ? filemap_update_page (mm/filemap.c:2607)
[   10.068211][  T225]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   10.068215][  T225]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   10.068217][  T225]  ? handle_pte_fault (mm/memory.c:6558)
[   10.068221][  T225]  ip_setsockopt (net/ipv4/ip_sockglue.c:1421)
[   10.068224][  T225]  raw_setsockopt (net/ipv4/raw.c:851)
[   10.068228][  T225]  ? raw_bind (net/ipv4/raw.c:733)
[   10.068230][  T225]  ? __handle_mm_fault (mm/memory.c:6707)
[   10.068232][  T225]  ? __pmd_alloc (./include/linux/mm.h:1762)
[   10.068236][  T225]  do_sock_setsockopt (net/socket.c:2397)
[   10.068241][  T225]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   10.068245][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.068249][  T225]  __sys_setsockopt (net/socket.c:2422)
[   10.068253][  T225]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   10.068255][  T225]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.068259][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.068261][  T225]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   10.068263][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.068264][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.068267][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.068269][  T225] RIP: 0033:0x7fdf053622de
[   10.068273][  T225] 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
[   10.068275][  T225] RSP: 002b:00007fff172e2aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   10.068277][  T225] RAX: ffffffffffffffda RBX: 000055b6f81112c0 RCX: 00007fdf053622de
[   10.068278][  T225] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000007
[   10.068279][  T225] RBP: 00007fff172e2b60 R08: 0000000000000010 R09: 0000000000000001
[   10.068280][  T225] R10: 00007fff172e2ae0 R11: 0000000000000246 R12: 000055b730b1f6d4
[   10.068281][  T225] R13: 0000000000000001 R14: 000055b730b1f6c0 R15: 0000000000000000
| [   17.238144][  T329] softirqs last disabled at (19513): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.238146][  T329] Preemption disabled at:
| [   17.238147][  T329] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.238156][  T329] Tainted: [W]=WARN
[   17.238157][  T329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.238159][  T329] Call Trace:
[   17.238161][  T329]  <TASK>
[   17.238162][  T329]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.238168][  T329]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.238170][  T329]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.238174][  T329]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.238178][  T329]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.238183][  T329]  __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))
[   17.238186][  T329]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.238191][  T329]  ? 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)
[   17.238194][  T329]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.238197][  T329]  put_chars (drivers/char/virtio_console.c:1176)
[   17.238199][  T329]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   17.238201][  T329]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.238204][  T329]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.238207][  T329]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.238212][  T329]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.238214][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.238216][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.238220][  T329]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.238221][  T329]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.238225][  T329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.238228][  T329]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.238231][  T329]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.238235][  T329]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.238237][  T329]  ? 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))
[   17.238240][  T329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.238242][  T329]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.238246][  T329]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.238250][  T329]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.238252][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.238257][  T329]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.238260][  T329]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.238262][  T329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.238264][  T329]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.238267][  T329]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.238269][  T329]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.238272][  T329]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.238277][  T329]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.238282][  T329]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   17.238285][  T329]  _printk (kernel/printk/printk.c:2504)
[   17.238289][  T329]  ? snapshot_read.cold (user.c:?)
[   17.238295][  T329]  ? 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)
[   17.238298][  T329] gact_init_module (net/sched/act_gact.c:180) act_gact
[   17.238300][  T329]  do_one_initcall (init/main.c:1357)
[   17.238303][  T329]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   17.238307][  T329]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   17.238310][  T329]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   17.238315][  T329]  do_init_module (kernel/module/main.c:3117)
[   17.238319][  T329]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.238323][  T329]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   17.238326][  T329]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   17.238330][  T329]  load_module (kernel/module/main.c:3593)
[   17.238337][  T329]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   17.238341][  T329]  ? __ia32_sys_fsconfig (??:?)
[   17.238344][  T329]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   17.238348][  T329]  ? backing_file_read_iter (fs/backing-file.c:211)
[   17.238351][  T329]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.238355][  T329]  init_module_from_file (kernel/module/main.c:3790)
[   17.238358][  T329]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   17.238366][  T329]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.238370][  T329]  ? 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)
[   17.238373][  T329]  idempotent_init_module (kernel/module/main.c:3802)
[   17.238376][  T329]  ? init_module_from_file (kernel/module/main.c:3791)
[   17.238382][  T329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.238385][  T329]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.238392][  T329]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   17.238394][  T329]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.238398][  T329]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.238400][  T329]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.238403][  T329]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.238405][  T329] RIP: 0033:0x7fa0fa2bd37d
[   17.238408][  T329] 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
[   17.238410][  T329] RSP: 002b:00007fffae961ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   17.238413][  T329] RAX: ffffffffffffffda RBX: 000055f1def7f810 RCX: 00007fa0fa2bd37d
[   17.238414][  T329] RDX: 0000000000000000 RSI: 000055f1c071bffd RDI: 0000000000000000
[   17.238415][  T329] RBP: 00007fffae961c40 R08: 0000000000000000 R09: 0000000000000000
[   17.238416][  T329] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f1c071bffd
[   17.238417][  T329] R13: 000055f1def7f960 R14: 0000000000040000 R15: 0000000000000000
| [   22.674430][  T225] softirqs last disabled at (16832): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   22.674432][  T225] Preemption disabled at:
| [   22.674433][  T225] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.674442][  T225] Tainted: [W]=WARN
[   22.674443][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.674444][  T225] Call Trace:
[   22.674445][  T225]  <TASK>
[   22.674447][  T225]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.674452][  T225]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.674455][  T225]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.674459][  T225]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.674463][  T225]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.674468][  T225]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   22.674470][  T225]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.674476][  T225]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.674478][  T225]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.674482][  T225]  put_chars (drivers/char/virtio_console.c:1176)
[   22.674485][  T225]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.674487][  T225]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.674491][  T225]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.674494][  T225]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.674498][  T225]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.674500][  T225]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.674502][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.674504][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.674507][  T225]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.674509][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.674513][  T225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.674516][  T225]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.674520][  T225]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.674522][  T225]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   22.674525][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.674527][  T225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.674531][  T225]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.674535][  T225]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.674537][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.674542][  T225]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.674544][  T225]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.674546][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.674548][  T225]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.674552][  T225]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.674554][  T225]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.674557][  T225]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.674560][  T225]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.674564][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.674567][  T225]  _printk (kernel/printk/printk.c:2504)
[   22.674571][  T225]  ? snapshot_read.cold (user.c:?)
[   22.674573][  T225]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   22.674576][  T225]  ? stack_depot_save_flags (lib/stackdepot.c:728 (discriminator 3))
[   22.674581][  T225]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.674584][  T225]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.674587][  T225]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.674589][  T225]  ? netdev_notice (net/core/dev.c:13194)
[   22.674592][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.674597][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.674599][  T225]  ? 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)
[   22.674602][  T225]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   22.674607][  T225]  dev_set_allmulti (net/core/dev_api.c:315)
[   22.674610][  T225]  mif6_delete (net/ipv6/ip6mr.c:782)
[   22.674615][  T225]  ? ipmr_expire_process (net/ipv4/ipmr.c:790)
[   22.674617][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.674619][  T225]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.674622][  T225]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   22.674624][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   22.674627][  T225]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   22.674630][  T225]  mroute_clean_tables (net/ipv4/ipmr.c:1343)
[   22.674632][  T225]  ? netlink_broadcast_filtered (net/netlink/af_netlink.c:1549)
[   22.674637][  T225]  ? do_one_broadcast (net/netlink/af_netlink.c:1500)
[   22.674639][  T225]  ? inet6_netconf_fill_devconf (./include/net/netlink.h:1614 net/ipv6/addrconf.c:564)
[   22.674644][  T225]  ? ip6mr_vif_seq_start (./include/linux/seq_file_net.h:21)
[   22.674652][  T225]  ? ip6mr_sk_done (net/ipv6/ip6mr.c:1682)
[   22.674654][  T225]  ip6mr_sk_done (net/ipv6/ip6mr.c:1682)
[   22.674657][  T225]  ? ip6mr_mfc_add (./include/net/ipv6.h:593)
[   22.674660][  T225]  ? ip6mr_get_table (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/ip6mr.c:366 (discriminator 2))
[   22.674664][  T225]  ip6_mroute_setsockopt (net/ipv6/ip6mr.c:1749)
[   22.674668][  T225]  ? ip6mr_sk_done (net/ipv6/ip6mr.c:1670 (discriminator 2))
[   22.674669][  T225]  ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924)
[   22.674671][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   22.674674][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.674676][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.674678][  T225]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.674683][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.674685][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.674688][  T225]  do_ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:397)
[   22.674691][  T225]  ? 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))
[   22.674697][  T225]  ? ipv6_set_opt_hdr (net/ipv6/ipv6_sockglue.c:343 (discriminator 1))
[   22.674698][  T225]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   22.674702][  T225]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   22.674705][  T225]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   22.674713][  T225]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.674716][  T225]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.674718][  T225]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.674720][  T225]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.674724][  T225]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.674727][  T225]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.674729][  T225]  ? kasan_record_aux_stack (mm/kasan/generic.c:556)
[   22.674731][  T225]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3181)
[   22.674733][  T225]  ? fput_close_sync (fs/file_table.c:617)
[   22.674735][  T225]  ? __x64_sys_close (fs/open.c:1560 fs/open.c:1545 fs/open.c:1545)
[   22.674737][  T225]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.674739][  T225]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.674744][  T225]  ? ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:980)
[   22.674746][  T225]  ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:980)
[   22.674749][  T225]  rawv6_setsockopt (net/ipv6/raw.c:1048)
[   22.674752][  T225]  ? raw6_seq_show (./include/net/raw.h:68)
[   22.674758][  T225]  do_sock_setsockopt (net/socket.c:2397)
[   22.674762][  T225]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   22.674764][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.674766][  T225]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.674770][  T225]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3206 (discriminator 6))
[   22.674774][  T225]  __sys_setsockopt (net/socket.c:2422)
[   22.674778][  T225]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   22.674780][  T225]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.674782][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   22.674784][  T225]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   22.674785][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.674786][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.674789][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.674790][  T225] RIP: 0033:0x7fdf053622de
[   22.674794][  T225] 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
[   22.674796][  T225] RSP: 002b:00007fff172e2eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   22.674799][  T225] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fdf053622de
[   22.674800][  T225] RDX: 00000000000000c9 RSI: 0000000000000029 RDI: 0000000000000008
[   22.674801][  T225] RBP: 00007fff172e2ed0 R08: 0000000000000000 R09: 0000000000000160
[   22.674802][  T225] 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