======================================
| [   12.086753][  T218] ==================================================================
| [ 12.087116][ T218] BUG: KASAN: use-after-free in page_pool_item_uninit (net/core/page_pool.c:523)
| [   12.087365][  T218] Read of size 8 at addr ffff888006059008 by task bash/218
| [   12.087598][  T218]
[   12.087930][  T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.088131][  T218] Call Trace:
[   12.088254][  T218]  <TASK>
[ 12.088341][ T218] dump_stack_lvl (lib/dump_stack.c:123)
[ 12.088509][ T218] print_address_description.constprop.0 (mm/kasan/report.c:379)
[ 12.088712][ T218] ? page_pool_item_uninit (net/core/page_pool.c:523)
[ 12.088876][ T218] print_report (mm/kasan/report.c:490)
[ 12.089037][ T218] ? kasan_addr_to_slab (./include/linux/mm.h:1295 mm/kasan/../slab.h:211 mm/kasan/common.c:38)
[ 12.089201][ T218] kasan_report (mm/kasan/report.c:604)
[ 12.089325][ T218] ? page_pool_item_uninit (net/core/page_pool.c:523)
[ 12.089489][ T218] page_pool_item_uninit (net/core/page_pool.c:523)
[ 12.089653][ T218] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484)
[ 12.089814][ T218] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[ 12.090015][ T218] ? __pfx_page_pool_release (net/core/page_pool.c:1478)
[ 12.090179][ T218] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832)
[ 12.090343][ T218] page_pool_destroy (net/core/page_pool.c:1555)
[ 12.090505][ T218] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim
[ 12.090683][ T218] __dev_close_many (net/core/dev.c:1591)
[ 12.090843][ T218] ? __pfx___dev_close_many (net/core/dev.c:1555)
[ 12.091003][ T218] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 12.091166][ T218] ? 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)
[ 12.091324][ T218] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 12.091446][ T218] ? 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)
[ 12.091606][ T218] dev_close_many (net/core/dev.c:1618)
[ 12.091768][ T218] ? __pfx_dev_close_many (net/core/dev.c:1608)
[ 12.091932][ T218] unregister_netdevice_many_notify (net/core/dev.c:11562)
[ 12.092131][ T218] ? __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)
[ 12.092295][ T218] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[ 12.092496][ T218] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11529)
[ 12.092694][ T218] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 12.092854][ T218] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[ 12.093016][ T218] ? nsim_destroy (drivers/net/netdevsim/netdev.c:827) netdevsim
[ 12.093188][ T218] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 12.093349][ T218] unregister_netdevice_queue (net/core/dev.c:11524)
[ 12.093509][ T218] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 12.093675][ T218] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11513)
[ 12.093876][ T218] nsim_destroy (drivers/net/netdevsim/netdev.c:832 (discriminator 2)) netdevsim
[ 12.094046][ T218] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:426 drivers/net/netdevsim/dev.c:1429) netdevsim
[ 12.094254][ T218] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1438 drivers/net/netdevsim/dev.c:1661) netdevsim
[ 12.094465][ T218] nsim_drv_remove (drivers/net/netdevsim/dev.c:1678) netdevsim
[ 12.094633][ T218] device_release_driver_internal (drivers/base/dd.c:1275 drivers/base/dd.c:1296)
[ 12.094834][ T218] ? klist_put (lib/klist.c:220)
[ 12.094957][ T218] bus_remove_device (./include/linux/kobject.h:193 drivers/base/base.h:73 drivers/base/bus.c:583)
[ 12.095122][ T218] device_del (drivers/base/core.c:3855)
[ 12.095245][ T218] ? __pfx_device_del (drivers/base/core.c:3809)
[ 12.095404][ T218] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 12.095565][ T218] ? kernfs_fop_write_iter (fs/kernfs/file.c:326)
[ 12.095728][ T218] device_unregister (drivers/base/core.c:3772 drivers/base/core.c:3896)
[ 12.095887][ T218] del_device_store (drivers/net/netdevsim/bus.c:230) netdevsim
[ 12.096094][ T218] ? __pfx_del_device_store (drivers/net/netdevsim/bus.c:197) netdevsim
[ 12.096305][ T218] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[ 12.096465][ T218] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1))
[ 12.096624][ T218] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[ 12.096785][ T218] kernfs_fop_write_iter (fs/kernfs/file.c:334)
[ 12.096950][ T218] vfs_write (fs/read_write.c:586 fs/read_write.c:679)
[ 12.097073][ T218] ? __pfx_vfs_write (fs/read_write.c:660)
[ 12.097233][ T218] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 12.097401][ T218] ? 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)
[ 12.097565][ T218] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 12.097725][ T218] ksys_write (fs/read_write.c:731)
[ 12.097846][ T218] ? __pfx_ksys_write (fs/read_write.c:721)
[ 12.098004][ T218] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1340)
[ 12.098169][ T218] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 12.098329][ T218] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   12.098528][  T218] RIP: 0033:0x7fd221039b77
[ 12.098695][ T218] 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
[   12.099254][  T218] RSP: 002b:00007ffd8d328a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   12.099494][  T218] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd221039b77
[   12.099733][  T218] RDX: 0000000000000004 RSI: 00005576ced298c0 RDI: 0000000000000001
[   12.099969][  T218] RBP: 00005576ced298c0 R08: 0000000000000000 R09: 00007fd2210ac4e0
[   12.100212][  T218] R10: 00007fd2210ac3e0 R11: 0000000000000246 R12: 0000000000000004
[   12.100450][  T218] R13: 00007fd2210f5760 R14: 0000000000000004 R15: 00007fd2210f09c0
| [   12.105014][  T218] Disabling lock debugging due to kernel taint
| [   12.105311][  T218] Oops: general protection fault, probably for non-canonical address 0xf99995999999999c: 0000 [#1] PREEMPT SMP KASAN NOPTI
| [   12.105696][  T218] KASAN: maybe wild-memory-access in range [0xcccccccccccccce0-0xcccccccccccccce7]
| [   12.106237][  T218] Tainted: [B]=BAD_PAGE
[   12.106360][  T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.106554][ T218] 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)
[ 12.106756][ T218] Code: 95 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:	95                   	xchg   %eax,%ebp
   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
[   12.107304][  T218] RSP: 0018:ffffc90000a774f0 EFLAGS: 00010a06
[   12.107513][  T218] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffff93e37b43
[   12.107744][  T218] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0
[   12.107975][  T218] RBP: fffffbfff2a58878 R08: 0000000000000000 R09: fffffbfff2e19888
[   12.108207][  T218] R10: ffffffff970cc447 R11: 205d383132542020 R12: ffff888002327220
[   12.108442][  T218] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000
[   12.108672][  T218] FS:  00007fd220ef8740(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000
[   12.108942][  T218] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.109137][  T218] CR2: 00007fd2210ac733 CR3: 000000000bddc004 CR4: 0000000000772ef0
[   12.109371][  T218] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   12.109605][  T218] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   12.109836][  T218] PKRU: 55555554
[   12.109955][  T218] Call Trace:
[   12.110076][  T218]  <TASK>
[ 12.110157][ T218] ? die_addr (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:460)
[ 12.110280][ T218] ? exc_general_protection (arch/x86/kernel/traps.c:751 arch/x86/kernel/traps.c:693)
[ 12.110438][ T218] ? asm_exc_general_protection (./arch/x86/include/asm/idtentry.h:617)
[ 12.110600][ T218] ? 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)
[ 12.110756][ T218] ? 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)
[ 12.110912][ T218] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484)
[ 12.111070][ T218] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[ 12.111263][ T218] ? __pfx_page_pool_release (net/core/page_pool.c:1478)
[ 12.111419][ T218] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832)
[ 12.111578][ T218] page_pool_destroy (net/core/page_pool.c:1555)
[ 12.111733][ T218] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim
[ 12.111900][ T218] __dev_close_many (net/core/dev.c:1591)
[ 12.112054][ T218] ? __pfx___dev_close_many (net/core/dev.c:1555)
[ 12.112216][ T218] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 12.112371][ T218] ? 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)
[ 12.112527][ T218] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 12.112644][ T218] ? 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)
[ 12.112802][ T218] dev_close_many (net/core/dev.c:1618)
[ 12.112957][ T218] ? __pfx_dev_close_many (net/core/dev.c:1608)
[ 12.113116][ T218] unregister_netdevice_many_notify (net/core/dev.c:11562)
[ 12.113307][ T218] ? __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)
[ 12.113464][ T218] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[ 12.113656][ T218] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11529)
[ 12.113854][ T218] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 12.114009][ T218] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[ 12.114164][ T218] ? nsim_destroy (drivers/net/netdevsim/netdev.c:827) netdevsim
[ 12.114328][ T218] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 12.114484][ T218] unregister_netdevice_queue (net/core/dev.c:11524)
[ 12.114638][ T218] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 12.114792][ T218] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11513)
[ 12.114988][ T218] nsim_destroy (drivers/net/netdevsim/netdev.c:832 (discriminator 2)) netdevsim
[ 12.115155][ T218] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:426 drivers/net/netdevsim/dev.c:1429) netdevsim
[ 12.115355][ T218] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1438 drivers/net/netdevsim/dev.c:1661) netdevsim
[ 12.115555][ T218] nsim_drv_remove (drivers/net/netdevsim/dev.c:1678) netdevsim
[ 12.115721][ T218] device_release_driver_internal (drivers/base/dd.c:1275 drivers/base/dd.c:1296)
[ 12.115913][ T218] ? klist_put (lib/klist.c:220)
[ 12.116032][ T218] bus_remove_device (./include/linux/kobject.h:193 drivers/base/base.h:73 drivers/base/bus.c:583)
[ 12.116189][ T218] device_del (drivers/base/core.c:3855)
[ 12.116310][ T218] ? __pfx_device_del (drivers/base/core.c:3809)
[ 12.116464][ T218] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 12.116619][ T218] ? kernfs_fop_write_iter (fs/kernfs/file.c:326)
[ 12.116775][ T218] device_unregister (drivers/base/core.c:3772 drivers/base/core.c:3896)
[ 12.116931][ T218] del_device_store (drivers/net/netdevsim/bus.c:230) netdevsim
[ 12.117133][ T218] ? __pfx_del_device_store (drivers/net/netdevsim/bus.c:197) netdevsim
[ 12.117354][ T218] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[ 12.117510][ T218] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1))
[ 12.117665][ T218] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[ 12.117820][ T218] kernfs_fop_write_iter (fs/kernfs/file.c:334)
[ 12.117976][ T218] vfs_write (fs/read_write.c:586 fs/read_write.c:679)
[ 12.118096][ T218] ? __pfx_vfs_write (fs/read_write.c:660)
[ 12.118251][ T218] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 12.118408][ T218] ? 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)
[ 12.118565][ T218] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 12.118722][ T218] ksys_write (fs/read_write.c:731)
[ 12.118840][ T218] ? __pfx_ksys_write (fs/read_write.c:721)
[ 12.118992][ T218] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1340)
[ 12.119151][ T218] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 12.119306][ T218] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   12.119501][  T218] RIP: 0033:0x7fd221039b77
[ 12.119659][ T218] 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
[   12.120201][  T218] RSP: 002b:00007ffd8d328a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   12.120434][  T218] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd221039b77
[   12.120671][  T218] RDX: 0000000000000004 RSI: 00005576ced298c0 RDI: 0000000000000001
[   12.120903][  T218] RBP: 00005576ced298c0 R08: 0000000000000000 R09: 00007fd2210ac4e0
[   12.121134][  T218] R10: 00007fd2210ac3e0 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