======================================
| [   13.940328][  T217] ==================================================================
| [ 13.940761][ T217] BUG: KASAN: use-after-free in page_pool_item_uninit (net/core/page_pool.c:523)
| [   13.941051][  T217] Read of size 8 at addr ffff88800a9a4008 by task bash/217
| [   13.941315][  T217]
[   13.941685][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.941893][  T217] Call Trace:
[   13.942026][  T217]  <TASK>
[ 13.942128][ T217] dump_stack_lvl (lib/dump_stack.c:123)
[ 13.942309][ T217] print_address_description.constprop.0 (mm/kasan/report.c:379)
[ 13.942524][ T217] ? page_pool_item_uninit (net/core/page_pool.c:523)
[ 13.942696][ T217] print_report (mm/kasan/report.c:490)
[ 13.942858][ T217] ? kasan_addr_to_slab (./include/linux/mm.h:1295 mm/kasan/../slab.h:211 mm/kasan/common.c:38)
[ 13.943047][ T217] kasan_report (mm/kasan/report.c:604)
[ 13.943172][ T217] ? page_pool_item_uninit (net/core/page_pool.c:523)
[ 13.943353][ T217] page_pool_item_uninit (net/core/page_pool.c:523)
[ 13.943525][ T217] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484)
[ 13.943711][ T217] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[ 13.943926][ T217] ? __pfx_page_pool_release (net/core/page_pool.c:1478)
[ 13.944099][ T217] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832)
[ 13.944275][ T217] page_pool_destroy (net/core/page_pool.c:1555)
[ 13.944442][ T217] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim
[ 13.944634][ T217] __dev_close_many (net/core/dev.c:1591)
[ 13.944807][ T217] ? __pfx___dev_close_many (net/core/dev.c:1555)
[ 13.944975][ T217] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 13.945157][ T217] ? 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)
[ 13.945330][ T217] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 13.945473][ T217] ? 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)
[ 13.945644][ T217] dev_close_many (net/core/dev.c:1618)
[ 13.945814][ T217] ? __pfx_dev_close_many (net/core/dev.c:1608)
[ 13.945991][ T217] unregister_netdevice_many_notify (net/core/dev.c:11562)
[ 13.946216][ T217] ? __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)
[ 13.946394][ T217] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[ 13.946612][ T217] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11529)
[ 13.946842][ T217] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 13.947008][ T217] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[ 13.947185][ T217] ? nsim_destroy (drivers/net/netdevsim/netdev.c:827) netdevsim
[ 13.947365][ T217] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 13.947544][ T217] unregister_netdevice_queue (net/core/dev.c:11524)
[ 13.947713][ T217] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 13.947891][ T217] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11513)
[ 13.948104][ T217] nsim_destroy (drivers/net/netdevsim/netdev.c:832 (discriminator 2)) netdevsim
[ 13.948295][ T217] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:426 drivers/net/netdevsim/dev.c:1429) netdevsim
[ 13.948515][ T217] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1438 drivers/net/netdevsim/dev.c:1661) netdevsim
[ 13.948742][ T217] nsim_drv_remove (drivers/net/netdevsim/dev.c:1678) netdevsim
[ 13.948915][ T217] device_release_driver_internal (drivers/base/dd.c:1275 drivers/base/dd.c:1296)
[ 13.949132][ T217] ? klist_put (lib/klist.c:220)
[ 13.949269][ T217] bus_remove_device (./include/linux/kobject.h:193 drivers/base/base.h:73 drivers/base/bus.c:583)
[ 13.949440][ T217] device_del (drivers/base/core.c:3855)
[ 13.949571][ T217] ? __pfx_device_del (drivers/base/core.c:3809)
[ 13.949737][ T217] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 13.949902][ T217] ? kernfs_fop_write_iter (fs/kernfs/file.c:326)
[ 13.950073][ T217] device_unregister (drivers/base/core.c:3772 drivers/base/core.c:3896)
[ 13.950237][ T217] del_device_store (drivers/net/netdevsim/bus.c:230) netdevsim
[ 13.950450][ T217] ? __pfx_del_device_store (drivers/net/netdevsim/bus.c:197) netdevsim
[ 13.950675][ T217] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[ 13.950848][ T217] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1))
[ 13.951014][ T217] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[ 13.951175][ T217] kernfs_fop_write_iter (fs/kernfs/file.c:334)
[ 13.951340][ T217] vfs_write (fs/read_write.c:586 fs/read_write.c:679)
[ 13.951470][ T217] ? __pfx_vfs_write (fs/read_write.c:660)
[ 13.951644][ T217] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 13.951811][ T217] ? 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)
[ 13.951984][ T217] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 13.952153][ T217] ksys_write (fs/read_write.c:731)
[ 13.952280][ T217] ? __pfx_ksys_write (fs/read_write.c:721)
[ 13.952450][ T217] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1340)
[ 13.952623][ T217] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 13.952791][ T217] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   13.953000][  T217] RIP: 0033:0x7f1a0355eb77
[ 13.953184][ T217] 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
[   13.953781][  T217] RSP: 002b:00007ffe1c778238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   13.954040][  T217] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1a0355eb77
[   13.954300][  T217] RDX: 0000000000000004 RSI: 000055c107196420 RDI: 0000000000000001
[   13.954573][  T217] RBP: 000055c107196420 R08: 0000000000000000 R09: 00007f1a035d14e0
[   13.954837][  T217] R10: 00007f1a035d13e0 R11: 0000000000000246 R12: 0000000000000004
[   13.955092][  T217] R13: 00007f1a0361a760 R14: 0000000000000004 R15: 00007f1a036159c0
| [   13.959365][  T217] Disabling lock debugging due to kernel taint
| [   13.959629][  T217] Oops: general protection fault, probably for non-canonical address 0xf99995999999999c: 0000 [#1] PREEMPT SMP KASAN NOPTI
| [   13.960038][  T217] KASAN: maybe wild-memory-access in range [0xcccccccccccccce0-0xcccccccccccccce7]
| [   13.960606][  T217] Tainted: [B]=BAD_PAGE
[   13.960729][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 13.960929][ T217] 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)
[ 13.961154][ T217] Code: 91 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 5d bc 68 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:	91                   	xchg   %eax,%ecx
   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 5d bc 68 fe       	call   0xfffffffffe68bc80
  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
[   13.961732][  T217] RSP: 0018:ffffc90000ac74f0 EFLAGS: 00010a06
[   13.961949][  T217] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffff90837b43
[   13.962217][  T217] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0
[   13.962473][  T217] RBP: fffffbfff2398878 R08: 0000000000000000 R09: fffffbfff2759888
[   13.962719][  T217] R10: ffffffff93acc447 R11: 205d373132542020 R12: ffff888009f2da20
[   13.962967][  T217] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000
[   13.963208][  T217] FS:  00007f1a0341d740(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   13.963498][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.963707][  T217] CR2: 00007f1a035d1733 CR3: 000000000b47c001 CR4: 0000000000772ef0
[   13.963949][  T217] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   13.964213][  T217] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   13.964468][  T217] PKRU: 55555554
[   13.964593][  T217] Call Trace:
[   13.964716][  T217]  <TASK>
[ 13.964828][ T217] ? die_addr (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:460)
[ 13.964965][ T217] ? exc_general_protection (arch/x86/kernel/traps.c:751 arch/x86/kernel/traps.c:693)
[ 13.965151][ T217] ? asm_exc_general_protection (./arch/x86/include/asm/idtentry.h:617)
[ 13.965315][ T217] ? 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)
[ 13.965485][ T217] ? 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)
[ 13.965654][ T217] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484)
[ 13.965818][ T217] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[ 13.966014][ T217] ? __pfx_page_pool_release (net/core/page_pool.c:1478)
[ 13.966175][ T217] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832)
[ 13.966339][ T217] page_pool_destroy (net/core/page_pool.c:1555)
[ 13.966499][ T217] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim
[ 13.966677][ T217] __dev_close_many (net/core/dev.c:1591)
[ 13.966836][ T217] ? __pfx___dev_close_many (net/core/dev.c:1555)
[ 13.966993][ T217] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 13.967155][ T217] ? 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)
[ 13.967317][ T217] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 13.967448][ T217] ? 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)
[ 13.967604][ T217] dev_close_many (net/core/dev.c:1618)
[ 13.967761][ T217] ? __pfx_dev_close_many (net/core/dev.c:1608)
[ 13.967928][ T217] unregister_netdevice_many_notify (net/core/dev.c:11562)
[ 13.968130][ T217] ? __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)
[ 13.968293][ T217] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[ 13.968487][ T217] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11529)
[ 13.968684][ T217] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 13.968842][ T217] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[ 13.969005][ T217] ? nsim_destroy (drivers/net/netdevsim/netdev.c:827) netdevsim
[ 13.969177][ T217] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 13.969336][ T217] unregister_netdevice_queue (net/core/dev.c:11524)
[ 13.969493][ T217] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 13.969654][ T217] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11513)
[ 13.969852][ T217] nsim_destroy (drivers/net/netdevsim/netdev.c:832 (discriminator 2)) netdevsim
[ 13.970017][ T217] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:426 drivers/net/netdevsim/dev.c:1429) netdevsim
[ 13.970227][ T217] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1438 drivers/net/netdevsim/dev.c:1661) netdevsim
[ 13.970434][ T217] nsim_drv_remove (drivers/net/netdevsim/dev.c:1678) netdevsim
[ 13.970599][ T217] device_release_driver_internal (drivers/base/dd.c:1275 drivers/base/dd.c:1296)
[ 13.970803][ T217] ? klist_put (lib/klist.c:220)
[ 13.970926][ T217] bus_remove_device (./include/linux/kobject.h:193 drivers/base/base.h:73 drivers/base/bus.c:583)
[ 13.971083][ T217] device_del (drivers/base/core.c:3855)
[ 13.971204][ T217] ? __pfx_device_del (drivers/base/core.c:3809)
[ 13.971361][ T217] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 13.971521][ T217] ? kernfs_fop_write_iter (fs/kernfs/file.c:326)
[ 13.971685][ T217] device_unregister (drivers/base/core.c:3772 drivers/base/core.c:3896)
[ 13.971844][ T217] del_device_store (drivers/net/netdevsim/bus.c:230) netdevsim
[ 13.972050][ T217] ? __pfx_del_device_store (drivers/net/netdevsim/bus.c:197) netdevsim
[ 13.972262][ T217] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[ 13.972423][ T217] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1))
[ 13.972590][ T217] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[ 13.972750][ T217] kernfs_fop_write_iter (fs/kernfs/file.c:334)
[ 13.972910][ T217] vfs_write (fs/read_write.c:586 fs/read_write.c:679)
[ 13.973038][ T217] ? __pfx_vfs_write (fs/read_write.c:660)
[ 13.973197][ T217] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 13.973369][ T217] ? 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)
[ 13.973538][ T217] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 13.973698][ T217] ksys_write (fs/read_write.c:731)
[ 13.973822][ T217] ? __pfx_ksys_write (fs/read_write.c:721)
[ 13.973986][ T217] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1340)
[ 13.974148][ T217] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 13.974314][ T217] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   13.974613][  T217] RIP: 0033:0x7f1a0355eb77
[ 13.974791][ T217] 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
[   13.975482][  T217] RSP: 002b:00007ffe1c778238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   13.975743][  T217] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1a0355eb77
[   13.976082][  T217] RDX: 0000000000000004 RSI: 000055c107196420 RDI: 0000000000000001
[   13.976349][  T217] RBP: 000055c107196420 R08: 0000000000000000 R09: 00007f1a035d14e0
[   13.976586][  T217] R10: 00007f1a035d13e0 R11: 0000000000000246 R12: 0000000000000004


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