======================================
| [  152.930543][  T250] ==================================================================
| [ 152.930844][ T250] BUG: KASAN: use-after-free in page_pool_item_uninit (net/core/page_pool.c:523)
| [  152.931106][  T250] Read of size 8 at addr ffff88800abab008 by task rtnetlink.sh/250
| [  152.931354][  T250]
[  152.931736][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  152.931947][  T250] Call Trace:
[  152.932084][  T250]  <TASK>
[ 152.932177][ T250] dump_stack_lvl (lib/dump_stack.c:123)
[ 152.932356][ T250] print_address_description.constprop.0 (mm/kasan/report.c:379)
[ 152.932571][ T250] ? page_pool_item_uninit (net/core/page_pool.c:523)
[ 152.932751][ T250] print_report (mm/kasan/report.c:490)
[ 152.932921][ T250] ? kasan_addr_to_slab (./include/linux/mm.h:1295 mm/kasan/../slab.h:211 mm/kasan/common.c:38)
[ 152.933093][ T250] kasan_report (mm/kasan/report.c:604)
[ 152.933248][ T250] ? page_pool_item_uninit (net/core/page_pool.c:523)
[ 152.933427][ T250] page_pool_item_uninit (net/core/page_pool.c:523)
[ 152.933604][ T250] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484)
[ 152.933780][ T250] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[ 152.934005][ T250] ? __pfx_page_pool_release (net/core/page_pool.c:1478)
[ 152.934181][ T250] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832)
[ 152.934371][ T250] page_pool_destroy (net/core/page_pool.c:1555)
[ 152.934540][ T250] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim
[ 152.934723][ T250] __dev_close_many (net/core/dev.c:1591)
[ 152.934895][ T250] ? __pfx___dev_close_many (net/core/dev.c:1555)
[ 152.935062][ T250] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 152.935235][ T250] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 152.935404][ T250] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 152.935534][ T250] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 152.935702][ T250] dev_close_many (net/core/dev.c:1618)
[ 152.935871][ T250] ? __pfx_dev_close_many (net/core/dev.c:1608)
[ 152.936041][ T250] unregister_netdevice_many_notify (net/core/dev.c:11562)
[ 152.936253][ T250] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:104)
[ 152.936425][ T250] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[ 152.936636][ T250] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11529)
[ 152.936847][ T250] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 152.937018][ T250] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[ 152.937190][ T250] ? nsim_destroy (drivers/net/netdevsim/netdev.c:827) netdevsim
[ 152.937364][ T250] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 152.937532][ T250] unregister_netdevice_queue (net/core/dev.c:11524)
[ 152.937704][ T250] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 152.937872][ T250] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11513)
[ 152.938084][ T250] nsim_destroy (drivers/net/netdevsim/netdev.c:832 (discriminator 2)) netdevsim
[ 152.938261][ T250] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:426 drivers/net/netdevsim/dev.c:1429) netdevsim
[ 152.938476][ T250] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1438 drivers/net/netdevsim/dev.c:1661) netdevsim
[ 152.938688][ T250] nsim_drv_remove (drivers/net/netdevsim/dev.c:1678) netdevsim
[ 152.938865][ T250] device_release_driver_internal (drivers/base/dd.c:1275 drivers/base/dd.c:1296)
[ 152.939092][ T250] ? klist_put (lib/klist.c:220)
[ 152.939223][ T250] bus_remove_device (./include/linux/kobject.h:193 drivers/base/base.h:73 drivers/base/bus.c:583)
[ 152.939399][ T250] device_del (drivers/base/core.c:3855)
[ 152.939534][ T250] ? __pfx_device_del (drivers/base/core.c:3809)
[ 152.939707][ T250] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 152.939881][ T250] ? kernfs_fop_write_iter (fs/kernfs/file.c:326)
[ 152.940058][ T250] device_unregister (drivers/base/core.c:3772 drivers/base/core.c:3896)
[ 152.940244][ T250] del_device_store (drivers/net/netdevsim/bus.c:230) netdevsim
[ 152.940481][ T250] ? __pfx_del_device_store (drivers/net/netdevsim/bus.c:197) netdevsim
[ 152.940709][ T250] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[ 152.940883][ T250] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1))
[ 152.941061][ T250] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[ 152.941235][ T250] kernfs_fop_write_iter (fs/kernfs/file.c:334)
[ 152.941418][ T250] vfs_write (fs/read_write.c:586 fs/read_write.c:679)
[ 152.941552][ T250] ? __pfx_vfs_write (fs/read_write.c:660)
[ 152.941727][ T250] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 152.941906][ T250] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1340)
[ 152.942086][ T250] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 152.942262][ T250] ksys_write (fs/read_write.c:731)
[ 152.942393][ T250] ? __pfx_ksys_write (fs/read_write.c:721)
[ 152.942577][ T250] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1340)
[ 152.942750][ T250] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 152.942919][ T250] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  152.943155][  T250] RIP: 0033:0x7f7080831b77
[ 152.943338][ T250] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  152.943953][  T250] RSP: 002b:00007ffe32604118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  152.944217][  T250] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7080831b77
[  152.944484][  T250] RDX: 0000000000000002 RSI: 0000561c1ffb0c10 RDI: 0000000000000001
[  152.944737][  T250] RBP: 0000561c1ffb0c10 R08: 0000000000000000 R09: 00007f70808a44e0
[  152.944986][  T250] R10: 00007f70808a43e0 R11: 0000000000000246 R12: 0000000000000002
[  152.945268][  T250] R13: 00007f70808ed760 R14: 0000000000000002 R15: 00007f70808e89c0
| [  152.949575][  T250] Disabling lock debugging due to kernel taint
| [  152.949804][  T250] Oops: general protection fault, probably for non-canonical address 0xf99995999999999c: 0000 [#1] PREEMPT SMP KASAN NOPTI
| [  152.950231][  T250] KASAN: maybe wild-memory-access in range [0xcccccccccccccce0-0xcccccccccccccce7]
| [  152.950842][  T250] Tainted: [B]=BAD_PAGE
[  152.950969][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 152.951178][ T250] RIP: 0010:page_pool_item_uninit (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:136 net/core/page_pool.c:524)
[ 152.951391][ T250] Code: 9c 48 bb 00 00 00 00 00 fc ff df 48 c1 ed 03 48 01 dd 4d 8d 75 1c be 04 00 00 00 4c 89 f7 e8 ad 6d 63 fe 4c 89 f0 48 c1 e8 03 <0f> b6 14 18 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 62 41
All code
========
   0:	9c                   	pushf
   1:	48 bb 00 00 00 00 00 	movabs $0xdffffc0000000000,%rbx
   8:	fc ff df 
   b:	48 c1 ed 03          	shr    $0x3,%rbp
   f:	48 01 dd             	add    %rbx,%rbp
  12:	4d 8d 75 1c          	lea    0x1c(%r13),%r14
  16:	be 04 00 00 00       	mov    $0x4,%esi
  1b:	4c 89 f7             	mov    %r14,%rdi
  1e:	e8 ad 6d 63 fe       	call   0xfffffffffe636dd0
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
  2a:*	0f b6 14 18          	movzbl (%rax,%rbx,1),%edx		<-- trapping instruction
  2e:	4c 89 f0             	mov    %r14,%rax
  31:	83 e0 07             	and    $0x7,%eax
  34:	83 c0 03             	add    $0x3,%eax
  37:	38 d0                	cmp    %dl,%al
  39:	7c 04                	jl     0x3f
  3b:	84 d2                	test   %dl,%dl
  3d:	75 62                	jne    0xa1
  3f:	41                   	rex.B

Code starting with the faulting instruction
===========================================
   0:	0f b6 14 18          	movzbl (%rax,%rbx,1),%edx
   4:	4c 89 f0             	mov    %r14,%rax
   7:	83 e0 07             	and    $0x7,%eax
   a:	83 c0 03             	add    $0x3,%eax
   d:	38 d0                	cmp    %dl,%al
   f:	7c 04                	jl     0x15
  11:	84 d2                	test   %dl,%dl
  13:	75 62                	jne    0x77
  15:	41                   	rex.B
[  152.951961][  T250] RSP: 0018:ffffc90000b974f0 EFLAGS: 00010a06
[  152.952170][  T250] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffff9b29f6e3
[  152.952419][  T250] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0
[  152.952666][  T250] RBP: fffffbfff3924c78 R08: 0000000000000000 R09: fffffbfff3cff688
[  152.952911][  T250] R10: ffffffff9e7fb447 R11: 205d303532542020 R12: ffff888005351220
[  152.953177][  T250] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000
[  152.953436][  T250] FS:  00007f70806f0740(0000) GS:ffff88806d080000(0000) knlGS:0000000000000000
[  152.953732][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  152.953946][  T250] CR2: 00007f708084ecb0 CR3: 00000000096c8005 CR4: 0000000000772ef0
[  152.954200][  T250] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  152.954461][  T250] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  152.954704][  T250] PKRU: 55555554
[  152.954829][  T250] Call Trace:
[  152.954954][  T250]  <TASK>
[ 152.955040][ T250] ? die_addr (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:460)
[ 152.955167][ T250] ? exc_general_protection (arch/x86/kernel/traps.c:751 arch/x86/kernel/traps.c:693)
[ 152.955333][ T250] ? asm_exc_general_protection (./arch/x86/include/asm/idtentry.h:617)
[ 152.955503][ T250] ? page_pool_item_uninit (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:136 net/core/page_pool.c:524)
[ 152.955667][ T250] ? page_pool_item_uninit (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:136 net/core/page_pool.c:524)
[ 152.955832][ T250] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484)
[ 152.955996][ T250] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[ 152.956202][ T250] ? __pfx_page_pool_release (net/core/page_pool.c:1478)
[ 152.956364][ T250] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832)
[ 152.956533][ T250] page_pool_destroy (net/core/page_pool.c:1555)
[ 152.956699][ T250] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim
[ 152.956875][ T250] __dev_close_many (net/core/dev.c:1591)
[ 152.957038][ T250] ? __pfx___dev_close_many (net/core/dev.c:1555)
[ 152.957203][ T250] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 152.957369][ T250] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 152.957535][ T250] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 152.957661][ T250] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 152.957827][ T250] dev_close_many (net/core/dev.c:1618)
[ 152.957994][ T250] ? __pfx_dev_close_many (net/core/dev.c:1608)
[ 152.958164][ T250] unregister_netdevice_many_notify (net/core/dev.c:11562)
[ 152.958372][ T250] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:104)
[ 152.958536][ T250] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[ 152.958740][ T250] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11529)
[ 152.958944][ T250] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 152.959129][ T250] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[ 152.959300][ T250] ? nsim_destroy (drivers/net/netdevsim/netdev.c:827) netdevsim
[ 152.959477][ T250] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 152.959648][ T250] unregister_netdevice_queue (net/core/dev.c:11524)
[ 152.959819][ T250] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 152.959987][ T250] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11513)
[ 152.960207][ T250] nsim_destroy (drivers/net/netdevsim/netdev.c:832 (discriminator 2)) netdevsim
[ 152.960385][ T250] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:426 drivers/net/netdevsim/dev.c:1429) netdevsim
[ 152.960598][ T250] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1438 drivers/net/netdevsim/dev.c:1661) netdevsim
[ 152.960809][ T250] nsim_drv_remove (drivers/net/netdevsim/dev.c:1678) netdevsim
[ 152.960981][ T250] device_release_driver_internal (drivers/base/dd.c:1275 drivers/base/dd.c:1296)
[ 152.961184][ T250] ? klist_put (lib/klist.c:220)
[ 152.961308][ T250] bus_remove_device (./include/linux/kobject.h:193 drivers/base/base.h:73 drivers/base/bus.c:583)
[ 152.961474][ T250] device_del (drivers/base/core.c:3855)
[ 152.961601][ T250] ? __pfx_device_del (drivers/base/core.c:3809)
[ 152.961765][ T250] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 152.961928][ T250] ? kernfs_fop_write_iter (fs/kernfs/file.c:326)
[ 152.962094][ T250] device_unregister (drivers/base/core.c:3772 drivers/base/core.c:3896)
[ 152.962261][ T250] del_device_store (drivers/net/netdevsim/bus.c:230) netdevsim
[ 152.962470][ T250] ? __pfx_del_device_store (drivers/net/netdevsim/bus.c:197) netdevsim
[ 152.962684][ T250] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[ 152.962846][ T250] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1))
[ 152.963008][ T250] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[ 152.963198][ T250] kernfs_fop_write_iter (fs/kernfs/file.c:334)
[ 152.963368][ T250] vfs_write (fs/read_write.c:586 fs/read_write.c:679)
[ 152.963498][ T250] ? __pfx_vfs_write (fs/read_write.c:660)
[ 152.963669][ T250] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 152.963835][ T250] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1340)
[ 152.964010][ T250] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 152.964181][ T250] ksys_write (fs/read_write.c:731)
[ 152.964322][ T250] ? __pfx_ksys_write (fs/read_write.c:721)
[ 152.964486][ T250] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1340)
[ 152.964652][ T250] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 152.964819][ T250] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  152.965024][  T250] RIP: 0033:0x7f7080831b77
[ 152.965195][ T250] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  152.965769][  T250] RSP: 002b:00007ffe32604118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  152.966112][  T250] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7080831b77
[  152.966367][  T250] RDX: 0000000000000002 RSI: 0000561c1ffb0c10 RDI: 0000000000000001
[  152.966611][  T250] RBP: 0000561c1ffb0c10 R08: 0000000000000000 R09: 00007f70808a44e0
[  152.966951][  T250] R10: 00007f70808a43e0 R11: 0000000000000246 R12: 0000000000000002


Finger prints:
print_report:kasan_report:page_pool_item_uninit:page_pool_release:page_pool_destroy
page_pool_item_uninit:page_pool_release:page_pool_destroy:nsim_stop:__dev_close_many