======================================
| [    9.888992][  T209] softirqs last disabled at (3402): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [    9.888994][  T209] Preemption disabled at:
| [    9.888995][  T209] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.889005][  T209] Tainted: [W]=WARN
[    9.889005][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.889007][  T209] Call Trace:
[    9.889009][  T209]  <TASK>
[    9.889011][  T209]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.889016][  T209]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.889019][  T209]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.889023][  T209]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.889028][  T209]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.889033][  T209]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.889035][  T209]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.889041][  T209]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.889043][  T209]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.889047][  T209]  put_chars (drivers/char/virtio_console.c:1176)
[    9.889049][  T209]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.889051][  T209]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[    9.889055][  T209]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    9.889059][  T209]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.889061][  T209]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.889063][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.889065][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.889069][  T209]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.889070][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.889074][  T209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.889078][  T209]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.889087][  T209]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.889089][  T209]  ? 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))
[    9.889092][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.889096][  T209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.889100][  T209]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.889104][  T209]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.889106][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.889111][  T209]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.889114][  T209]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.889116][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.889118][  T209]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.889122][  T209]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.889124][  T209]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.889127][  T209]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.889131][  T209]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.889134][  T209]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[    9.889136][  T209]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.889141][  T209]  _printk (kernel/printk/printk.c:2504)
[    9.889144][  T209]  ? snapshot_read.cold (user.c:?)
[    9.889146][  T209]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.889148][  T209]  ? kasan_save_stack (mm/kasan/common.c:58)
[    9.889152][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.889153][  T209]  ? mpol_to_str (mm/mempolicy.c:3580)
[    9.889156][  T209]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[    9.889159][  T209]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[    9.889163][  T209]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    9.889165][  T209]  ? netdev_notice (net/core/dev.c:13194)
[    9.889167][  T209]  ? 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)
[    9.889171][  T209]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.889176][  T209]  ? 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)
[    9.889181][  T209]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[    9.889185][  T209]  dev_set_allmulti (net/core/dev_api.c:315)
[    9.889188][  T209]  vif_add (net/ipv4/ipmr.c:900)
[    9.889190][  T209]  ? __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)
[    9.889192][  T209]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    9.889196][  T209]  ? pim_rcv (net/ipv4/ipmr.c:2435)
[    9.889199][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.889201][  T209]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.889207][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.889210][  T209]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.889215][  T209]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1491 (discriminator 1))
[    9.889218][  T209]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2967)
[    9.889226][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.889231][  T209]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:952)
[    9.889236][  T209]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:609)
[    9.889238][  T209]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[    9.889240][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.889243][  T209]  ? filemap_update_page (mm/filemap.c:2607)
[    9.889247][  T209]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[    9.889251][  T209]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[    9.889253][  T209]  ? handle_pte_fault (mm/memory.c:6558)
[    9.889257][  T209]  ip_setsockopt (net/ipv4/ip_sockglue.c:1421)
[    9.889261][  T209]  raw_setsockopt (net/ipv4/raw.c:851)
[    9.889265][  T209]  ? raw_bind (net/ipv4/raw.c:733)
[    9.889266][  T209]  ? __handle_mm_fault (mm/memory.c:6707)
[    9.889269][  T209]  ? __pmd_alloc (./include/linux/mm.h:1762)
[    9.889272][  T209]  do_sock_setsockopt (net/socket.c:2397)
[    9.889277][  T209]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[    9.889282][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.889285][  T209]  __sys_setsockopt (net/socket.c:2422)
[    9.889293][  T209]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[    9.889295][  T209]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.889298][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    9.889301][  T209]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[    9.889303][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.889304][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.889307][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.889310][  T209] RIP: 0033:0x7f96b709b2de
[    9.889313][  T209] 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
[    9.889315][  T209] RSP: 002b:00007fff82e444f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[    9.889318][  T209] RAX: ffffffffffffffda RBX: 000055b489b9b2c0 RCX: 00007f96b709b2de
[    9.889319][  T209] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000007
[    9.889320][  T209] RBP: 00007fff82e445b0 R08: 0000000000000010 R09: 0000000000000001
[    9.889321][  T209] R10: 00007fff82e44530 R11: 0000000000000246 R12: 000055b48e0b76d4
[    9.889322][  T209] R13: 0000000000000001 R14: 000055b48e0b76c0 R15: 0000000000000000
| [   18.517682][  T301] softirqs last disabled at (21987): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.517684][  T301] Preemption disabled at:
| [   18.517685][  T301] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.517694][  T301] Tainted: [W]=WARN
[   18.517694][  T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.517696][  T301] Call Trace:
[   18.517698][  T301]  <TASK>
[   18.517699][  T301]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.517705][  T301]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.517707][  T301]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.517711][  T301]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.517715][  T301]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.517721][  T301]  __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))
[   18.517724][  T301]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.517731][  T301]  ? 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)
[   18.517734][  T301]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.517737][  T301]  put_chars (drivers/char/virtio_console.c:1176)
[   18.517739][  T301]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   18.517741][  T301]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.517744][  T301]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.517747][  T301]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.517752][  T301]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.517754][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.517756][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.517760][  T301]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.517761][  T301]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   18.517764][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.517767][  T301]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.517771][  T301]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.517775][  T301]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.517776][  T301]  ? 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))
[   18.517779][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.517782][  T301]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.517785][  T301]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.517790][  T301]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.517791][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.517796][  T301]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.517799][  T301]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.517801][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.517803][  T301]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.517806][  T301]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.517808][  T301]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.517811][  T301]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.517815][  T301]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.517820][  T301]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   18.517823][  T301]  _printk (kernel/printk/printk.c:2504)
[   18.517827][  T301]  ? snapshot_read.cold (user.c:?)
[   18.517833][  T301]  ? 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)
[   18.517836][  T301] gact_init_module (net/sched/act_gact.c:180) act_gact
[   18.517838][  T301]  do_one_initcall (init/main.c:1357)
[   18.517841][  T301]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   18.517845][  T301]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   18.517848][  T301]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   18.517855][  T301]  do_init_module (kernel/module/main.c:3117)
[   18.517860][  T301]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   18.517864][  T301]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   18.517867][  T301]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   18.517871][  T301]  load_module (kernel/module/main.c:3593)
[   18.517878][  T301]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   18.517881][  T301]  ? __ia32_sys_fsconfig (??:?)
[   18.517885][  T301]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.517887][  T301]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.517891][  T301]  init_module_from_file (kernel/module/main.c:3790)
[   18.517894][  T301]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   18.517902][  T301]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   18.517905][  T301]  ? 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)
[   18.517908][  T301]  idempotent_init_module (kernel/module/main.c:3802)
[   18.517912][  T301]  ? init_module_from_file (kernel/module/main.c:3791)
[   18.517918][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.517920][  T301]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   18.517926][  T301]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   18.517928][  T301]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.517932][  T301]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.517934][  T301]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.517936][  T301]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.517938][  T301] RIP: 0033:0x7f878071837d
[   18.517942][  T301] 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
[   18.517943][  T301] RSP: 002b:00007ffcb68289a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   18.517946][  T301] RAX: ffffffffffffffda RBX: 0000561be378d810 RCX: 00007f878071837d
[   18.517947][  T301] RDX: 0000000000000000 RSI: 0000561ba83efffd RDI: 0000000000000000
[   18.517948][  T301] RBP: 00007ffcb6828a40 R08: 0000000000000000 R09: 0000000000000000
[   18.517949][  T301] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561ba83efffd
[   18.517950][  T301] R13: 0000561be378d960 R14: 0000000000040000 R15: 0000000000000000
| [   21.285804][  T209] softirqs last disabled at (15484): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   21.285806][  T209] Preemption disabled at:
| [   21.285807][  T209] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.285817][  T209] Tainted: [W]=WARN
[   21.285818][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.285820][  T209] Call Trace:
[   21.285821][  T209]  <TASK>
[   21.285823][  T209]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.285829][  T209]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.285831][  T209]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.285836][  T209]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.285841][  T209]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.285846][  T209]  __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))
[   21.285848][  T209]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.285854][  T209]  ? 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)
[   21.285857][  T209]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.285860][  T209]  put_chars (drivers/char/virtio_console.c:1176)
[   21.285863][  T209]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.285868][  T209]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.285874][  T209]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.285877][  T209]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.285882][  T209]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.285885][  T209]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.285886][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.285888][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.285892][  T209]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.285894][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.285898][  T209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.285902][  T209]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.285906][  T209]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.285908][  T209]  ? 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))
[   21.285911][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.285914][  T209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.285918][  T209]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.285922][  T209]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.285924][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.285929][  T209]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.285932][  T209]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.285934][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.285936][  T209]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.285940][  T209]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.285942][  T209]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.285945][  T209]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.285949][  T209]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.285953][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.285957][  T209]  _printk (kernel/printk/printk.c:2504)
[   21.285961][  T209]  ? snapshot_read.cold (user.c:?)
[   21.285962][  T209]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   21.285966][  T209]  ? stack_depot_save_flags (lib/stackdepot.c:728 (discriminator 3))
[   21.285971][  T209]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   21.285975][  T209]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   21.285978][  T209]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.285981][  T209]  ? netdev_notice (net/core/dev.c:13194)
[   21.285983][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.285988][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.285991][  T209]  ? 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)
[   21.285995][  T209]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   21.285999][  T209]  dev_set_allmulti (net/core/dev_api.c:315)
[   21.286003][  T209]  mif6_delete (net/ipv6/ip6mr.c:782)
[   21.286008][  T209]  ? ipmr_expire_process (net/ipv4/ipmr.c:790)
[   21.286010][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.286013][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.286016][  T209]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   21.286017][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.286021][  T209]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   21.286024][  T209]  mroute_clean_tables (net/ipv4/ipmr.c:1337)
[   21.286027][  T209]  ? netlink_broadcast_filtered (net/netlink/af_netlink.c:1549)
[   21.286032][  T209]  ? do_one_broadcast (net/netlink/af_netlink.c:1500)
[   21.286034][  T209]  ? inet6_netconf_fill_devconf (./include/net/netlink.h:1614 net/ipv6/addrconf.c:564)
[   21.286039][  T209]  ? ip6mr_vif_seq_start (./include/linux/seq_file_net.h:21)
[   21.286047][  T209]  ? ip6mr_sk_done (net/ipv6/ip6mr.c:1677)
[   21.286048][  T209]  ip6mr_sk_done (net/ipv6/ip6mr.c:1677)
[   21.286052][  T209]  ? ip6mr_mfc_add (./include/net/ipv6.h:593)
[   21.286055][  T209]  ? ip6mr_get_table (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/ip6mr.c:366 (discriminator 2))
[   21.286059][  T209]  ip6_mroute_setsockopt (net/ipv6/ip6mr.c:1744)
[   21.286063][  T209]  ? ip6mr_sk_done (net/ipv6/ip6mr.c:1665 (discriminator 2))
[   21.286065][  T209]  ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924)
[   21.286067][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   21.286070][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.286072][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.286075][  T209]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.286080][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.286082][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.286086][  T209]  do_ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:397)
[   21.286089][  T209]  ? 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))
[   21.286095][  T209]  ? ipv6_set_opt_hdr (net/ipv6/ipv6_sockglue.c:343 (discriminator 1))
[   21.286098][  T209]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   21.286103][  T209]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   21.286108][  T209]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   21.286120][  T209]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.286130][  T209]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.286133][  T209]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.286135][  T209]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.286139][  T209]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.286142][  T209]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.286144][  T209]  ? kasan_record_aux_stack (mm/kasan/generic.c:556)
[   21.286147][  T209]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3181)
[   21.286149][  T209]  ? fput_close_sync (fs/file_table.c:617)
[   21.286151][  T209]  ? __x64_sys_close (fs/open.c:1560 fs/open.c:1545 fs/open.c:1545)
[   21.286154][  T209]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.286155][  T209]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.286161][  T209]  ? ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:980)
[   21.286163][  T209]  ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:980)
[   21.286166][  T209]  rawv6_setsockopt (net/ipv6/raw.c:1048)
[   21.286170][  T209]  ? raw6_seq_show (./include/net/raw.h:68)
[   21.286176][  T209]  do_sock_setsockopt (net/socket.c:2397)
[   21.286180][  T209]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   21.286182][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.286185][  T209]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.286188][  T209]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3206 (discriminator 6))
[   21.286192][  T209]  __sys_setsockopt (net/socket.c:2422)
[   21.286197][  T209]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   21.286199][  T209]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.286201][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.286203][  T209]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   21.286204][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.286206][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.286208][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.286210][  T209] RIP: 0033:0x7f96b709b2de
[   21.286214][  T209] 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
[   21.286216][  T209] RSP: 002b:00007fff82e44908 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   21.286219][  T209] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f96b709b2de
[   21.286220][  T209] RDX: 00000000000000c9 RSI: 0000000000000029 RDI: 0000000000000008
[   21.286221][  T209] RBP: 00007fff82e44920 R08: 0000000000000000 R09: 0000000000000160
[   21.286222][  T209] 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