======================================
| [   28.344848][  T316] ==================================================================
| [ 28.345219][ T316] BUG: KASAN: use-after-free in page_pool_item_uninit (net/core/page_pool.c:523)
| [   28.345483][  T316] Read of size 8 at addr ffff88800b8ba008 by task echo/316
| [   28.345739][  T316]
[   28.346092][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.346310][  T316] Call Trace:
[   28.346443][  T316]  <TASK>
[ 28.346540][ T316] dump_stack_lvl (lib/dump_stack.c:123)
[ 28.346719][ T316] print_address_description.constprop.0 (mm/kasan/report.c:379)
[ 28.346936][ T316] ? page_pool_item_uninit (net/core/page_pool.c:523)
[ 28.347111][ T316] print_report (mm/kasan/report.c:490)
[ 28.347285][ T316] ? kasan_addr_to_slab (./include/linux/mm.h:1295 mm/kasan/../slab.h:211 mm/kasan/common.c:38)
[ 28.347459][ T316] kasan_report (mm/kasan/report.c:604)
[ 28.347592][ T316] ? page_pool_item_uninit (net/core/page_pool.c:523)
[ 28.347767][ T316] page_pool_item_uninit (net/core/page_pool.c:523)
[ 28.347941][ T316] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484)
[ 28.348117][ T316] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[ 28.348337][ T316] ? __pfx_page_pool_release (net/core/page_pool.c:1478)
[ 28.348514][ T316] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832)
[ 28.348693][ T316] page_pool_destroy (net/core/page_pool.c:1555)
[ 28.348867][ T316] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim
[ 28.349057][ T316] __dev_close_many (net/core/dev.c:1591)
[ 28.349234][ T316] ? __pfx___dev_close_many (net/core/dev.c:1555)
[ 28.349410][ T316] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 28.349587][ T316] ? 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)
[ 28.349758][ T316] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 28.349892][ T316] ? 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)
[ 28.350065][ T316] dev_close_many (net/core/dev.c:1618)
[ 28.350243][ T316] ? __pfx_dev_close_many (net/core/dev.c:1608)
[ 28.350422][ T316] unregister_netdevice_many_notify (net/core/dev.c:11562)
[ 28.350641][ T316] ? __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)
[ 28.350816][ T316] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[ 28.351031][ T316] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11529)
[ 28.351276][ T316] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 28.351455][ T316] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[ 28.351631][ T316] ? nsim_destroy (drivers/net/netdevsim/netdev.c:827) netdevsim
[ 28.351820][ T316] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 28.351994][ T316] unregister_netdevice_queue (net/core/dev.c:11524)
[ 28.352167][ T316] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 28.352340][ T316] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11513)
[ 28.352560][ T316] nsim_destroy (drivers/net/netdevsim/netdev.c:832 (discriminator 2)) netdevsim
[ 28.352744][ T316] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:426 drivers/net/netdevsim/dev.c:1429) netdevsim
[ 28.352974][ T316] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1438 drivers/net/netdevsim/dev.c:1661) netdevsim
[ 28.353197][ T316] nsim_drv_remove (drivers/net/netdevsim/dev.c:1678) netdevsim
[ 28.353383][ T316] device_release_driver_internal (drivers/base/dd.c:1275 drivers/base/dd.c:1296)
[ 28.353599][ T316] ? klist_put (lib/klist.c:220)
[ 28.353731][ T316] bus_remove_device (./include/linux/kobject.h:193 drivers/base/base.h:73 drivers/base/bus.c:583)
[ 28.353906][ T316] device_del (drivers/base/core.c:3855)
[ 28.354038][ T316] ? __pfx_device_del (drivers/base/core.c:3809)
[ 28.354216][ T316] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 28.354390][ T316] ? kernfs_fop_write_iter (fs/kernfs/file.c:326)
[ 28.354566][ T316] device_unregister (drivers/base/core.c:3772 drivers/base/core.c:3896)
[ 28.354741][ T316] del_device_store (drivers/net/netdevsim/bus.c:230) netdevsim
[ 28.354968][ T316] ? __pfx_del_device_store (drivers/net/netdevsim/bus.c:197) netdevsim
[ 28.355194][ T316] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[ 28.355368][ T316] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1))
[ 28.355543][ T316] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[ 28.355712][ T316] kernfs_fop_write_iter (fs/kernfs/file.c:334)
[ 28.355884][ T316] vfs_write (fs/read_write.c:586 fs/read_write.c:679)
[ 28.356017][ T316] ? __pfx_vfs_write (fs/read_write.c:660)
[ 28.356189][ T316] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 28.356368][ T316] ? 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)
[ 28.356542][ T316] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 28.356717][ T316] ksys_write (fs/read_write.c:731)
[ 28.356848][ T316] ? __pfx_ksys_write (fs/read_write.c:721)
[ 28.357020][ T316] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1340)
[ 28.357195][ T316] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 28.357370][ T316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   28.357586][  T316] RIP: 0033:0x7fed64af0b77
[ 28.357767][ T316] 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
[   28.358377][  T316] RSP: 002b:00007ffccf6ec948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   28.358637][  T316] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fed64af0b77
[   28.358893][  T316] RDX: 0000000000000005 RSI: 000055647c0372f0 RDI: 0000000000000001
[   28.359155][  T316] RBP: 000055647c0372f0 R08: 0000000000000004 R09: 0000000000000077
[   28.359412][  T316] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005
[   28.359670][  T316] R13: 00007fed64bac760 R14: 0000000000000005 R15: 00007fed64ba79c0
| [   28.363884][  T316] Disabling lock debugging due to kernel taint
| [   28.364201][  T316] Oops: general protection fault, probably for non-canonical address 0xf99995999999999c: 0000 [#1] PREEMPT SMP KASAN NOPTI
| [   28.364624][  T316] KASAN: maybe wild-memory-access in range [0xcccccccccccccce0-0xcccccccccccccce7]
| [   28.365212][  T316] Tainted: [B]=BAD_PAGE
[   28.365340][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.365554][ T316] 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)
[ 28.365774][ T316] Code: 98 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:	98                   	cwtl
   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
[   28.366367][  T316] RSP: 0018:ffffc900005774f0 EFLAGS: 00010a06
[   28.366579][  T316] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffff96e9f6e3
[   28.366830][  T316] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0
[   28.367081][  T316] RBP: fffffbfff30a4c78 R08: 0000000000000000 R09: fffffbfff347f688
[   28.367335][  T316] R10: ffffffff9a3fb447 R11: 205d363133542020 R12: ffff88800cfb5a20
[   28.367586][  T316] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000
[   28.367842][  T316] FS:  00007fed649af740(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
[   28.368134][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.368349][  T316] CR2: 000055647c0382f8 CR3: 000000000c884005 CR4: 0000000000772ef0
[   28.368613][  T316] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.368865][  T316] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.369117][  T316] PKRU: 55555554
[   28.369246][  T316] Call Trace:
[   28.369372][  T316]  <TASK>
[ 28.369460][ T316] ? die_addr (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:460)
[ 28.369595][ T316] ? exc_general_protection (arch/x86/kernel/traps.c:751 arch/x86/kernel/traps.c:693)
[ 28.369769][ T316] ? asm_exc_general_protection (./arch/x86/include/asm/idtentry.h:617)
[ 28.369942][ T316] ? 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)
[ 28.370111][ T316] ? 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)
[ 28.370283][ T316] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484)
[ 28.370452][ T316] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[ 28.370664][ T316] ? __pfx_page_pool_release (net/core/page_pool.c:1478)
[ 28.370833][ T316] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832)
[ 28.371005][ T316] page_pool_destroy (net/core/page_pool.c:1555)
[ 28.371177][ T316] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim
[ 28.371360][ T316] __dev_close_many (net/core/dev.c:1591)
[ 28.371529][ T316] ? __pfx___dev_close_many (net/core/dev.c:1555)
[ 28.371700][ T316] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 28.371871][ T316] ? 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)
[ 28.372036][ T316] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 28.372161][ T316] ? 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)
[ 28.372332][ T316] dev_close_many (net/core/dev.c:1618)
[ 28.372500][ T316] ? __pfx_dev_close_many (net/core/dev.c:1608)
[ 28.372671][ T316] unregister_netdevice_many_notify (net/core/dev.c:11562)
[ 28.372881][ T316] ? __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)
[ 28.373053][ T316] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[ 28.373266][ T316] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11529)
[ 28.373474][ T316] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 28.373647][ T316] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[ 28.373820][ T316] ? nsim_destroy (drivers/net/netdevsim/netdev.c:827) netdevsim
[ 28.374000][ T316] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 28.374171][ T316] unregister_netdevice_queue (net/core/dev.c:11524)
[ 28.374343][ T316] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 28.374511][ T316] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11513)
[ 28.374723][ T316] nsim_destroy (drivers/net/netdevsim/netdev.c:832 (discriminator 2)) netdevsim
[ 28.374905][ T316] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:426 drivers/net/netdevsim/dev.c:1429) netdevsim
[ 28.375128][ T316] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1438 drivers/net/netdevsim/dev.c:1661) netdevsim
[ 28.375347][ T316] nsim_drv_remove (drivers/net/netdevsim/dev.c:1678) netdevsim
[ 28.375526][ T316] device_release_driver_internal (drivers/base/dd.c:1275 drivers/base/dd.c:1296)
[ 28.375738][ T316] ? klist_put (lib/klist.c:220)
[ 28.375867][ T316] bus_remove_device (./include/linux/kobject.h:193 drivers/base/base.h:73 drivers/base/bus.c:583)
[ 28.376041][ T316] device_del (drivers/base/core.c:3855)
[ 28.376171][ T316] ? __pfx_device_del (drivers/base/core.c:3809)
[ 28.376339][ T316] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 28.376507][ T316] ? kernfs_fop_write_iter (fs/kernfs/file.c:326)
[ 28.376676][ T316] device_unregister (drivers/base/core.c:3772 drivers/base/core.c:3896)
[ 28.376848][ T316] del_device_store (drivers/net/netdevsim/bus.c:230) netdevsim
[ 28.377067][ T316] ? __pfx_del_device_store (drivers/net/netdevsim/bus.c:197) netdevsim
[ 28.377288][ T316] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[ 28.377452][ T316] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1))
[ 28.377620][ T316] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[ 28.377786][ T316] kernfs_fop_write_iter (fs/kernfs/file.c:334)
[ 28.377955][ T316] vfs_write (fs/read_write.c:586 fs/read_write.c:679)
[ 28.378089][ T316] ? __pfx_vfs_write (fs/read_write.c:660)
[ 28.378256][ T316] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 28.378421][ T316] ? 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)
[ 28.378591][ T316] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 28.378759][ T316] ksys_write (fs/read_write.c:731)
[ 28.378885][ T316] ? __pfx_ksys_write (fs/read_write.c:721)
[ 28.379050][ T316] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1340)
[ 28.379325][ T316] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 28.379493][ T316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   28.379699][  T316] RIP: 0033:0x7fed64af0b77
[ 28.379872][ T316] 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
[   28.380566][  T316] RSP: 002b:00007ffccf6ec948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   28.380923][  T316] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fed64af0b77
[   28.381179][  T316] RDX: 0000000000000005 RSI: 000055647c0372f0 RDI: 0000000000000001
[   28.381429][  T316] RBP: 000055647c0372f0 R08: 0000000000000004 R09: 0000000000000077
[   28.381776][  T316] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000005


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