======================================
| [ 3565.910910][T30844] ==================================================================
| [3565.911272][T30844] BUG: KASAN: use-after-free in page_pool_item_uninit (net/core/page_pool.c:523)
| [ 3565.911533][T30844] Read of size 8 at addr ffff888005065008 by task rtnetlink.sh/30844
| [ 3565.911781][T30844]
[ 3565.912159][T30844] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3565.912372][T30844] Call Trace:
[ 3565.912505][T30844]  <TASK>
[3565.912596][T30844] dump_stack_lvl (lib/dump_stack.c:123)
[3565.912772][T30844] print_address_description.constprop.0 (mm/kasan/report.c:379)
[3565.912984][T30844] ? page_pool_item_uninit (net/core/page_pool.c:523)
[3565.913154][T30844] print_report (mm/kasan/report.c:490)
[3565.913319][T30844] ? kasan_addr_to_slab (./include/linux/mm.h:1295 mm/kasan/../slab.h:211 mm/kasan/common.c:38)
[3565.913487][T30844] kasan_report (mm/kasan/report.c:604)
[3565.913619][T30844] ? page_pool_item_uninit (net/core/page_pool.c:523)
[3565.913792][T30844] page_pool_item_uninit (net/core/page_pool.c:523)
[3565.913973][T30844] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484)
[3565.914141][T30844] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[3565.914366][T30844] ? __pfx_page_pool_release (net/core/page_pool.c:1478)
[3565.914542][T30844] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832)
[3565.914712][T30844] page_pool_destroy (net/core/page_pool.c:1555)
[3565.914878][T30844] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim
[3565.915059][T30844] __dev_close_many (net/core/dev.c:1591)
[3565.915226][T30844] ? __pfx___dev_close_many (net/core/dev.c:1555)
[3565.915391][T30844] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[3565.915558][T30844] ? 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)
[3565.915724][T30844] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[3565.915853][T30844] ? 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)
[3565.916020][T30844] dev_close_many (net/core/dev.c:1618)
[3565.916187][T30844] ? __pfx_dev_close_many (net/core/dev.c:1608)
[3565.916355][T30844] unregister_netdevice_many_notify (net/core/dev.c:11562)
[3565.916563][T30844] ? __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)
[3565.916730][T30844] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[3565.916935][T30844] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11529)
[3565.917146][T30844] ? lock_acquire (kernel/locking/lockdep.c:5822)
[3565.917314][T30844] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[3565.917482][T30844] ? nsim_destroy (drivers/net/netdevsim/netdev.c:827) netdevsim
[3565.917661][T30844] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[3565.917826][T30844] unregister_netdevice_queue (net/core/dev.c:11524)
[3565.917993][T30844] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[3565.918168][T30844] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11513)
[3565.918377][T30844] nsim_destroy (drivers/net/netdevsim/netdev.c:832 (discriminator 2)) netdevsim
[3565.918557][T30844] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:426 drivers/net/netdevsim/dev.c:1429) netdevsim
[3565.918773][T30844] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1438 drivers/net/netdevsim/dev.c:1661) netdevsim
[3565.918989][T30844] nsim_drv_remove (drivers/net/netdevsim/dev.c:1678) netdevsim
[3565.919165][T30844] device_release_driver_internal (drivers/base/dd.c:1275 drivers/base/dd.c:1296)
[3565.919374][T30844] ? klist_put (lib/klist.c:220)
[3565.919503][T30844] bus_remove_device (./include/linux/kobject.h:193 drivers/base/base.h:73 drivers/base/bus.c:583)
[3565.919672][T30844] device_del (drivers/base/core.c:3855)
[3565.919800][T30844] ? __pfx_device_del (drivers/base/core.c:3809)
[3565.919971][T30844] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[3565.920138][T30844] ? kernfs_fop_write_iter (fs/kernfs/file.c:326)
[3565.920306][T30844] device_unregister (drivers/base/core.c:3772 drivers/base/core.c:3896)
[3565.920471][T30844] del_device_store (drivers/net/netdevsim/bus.c:230) netdevsim
[3565.920695][T30844] ? __pfx_del_device_store (drivers/net/netdevsim/bus.c:197) netdevsim
[3565.920912][T30844] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[3565.921079][T30844] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1))
[3565.921246][T30844] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[3565.921414][T30844] kernfs_fop_write_iter (fs/kernfs/file.c:334)
[3565.921580][T30844] vfs_write (fs/read_write.c:586 fs/read_write.c:679)
[3565.921706][T30844] ? __pfx_vfs_write (fs/read_write.c:660)
[3565.921879][T30844] ? __lock_release (kernel/locking/lockdep.c:5525)
[3565.922045][T30844] ? 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)
[3565.922213][T30844] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[3565.922381][T30844] ksys_write (fs/read_write.c:731)
[3565.922506][T30844] ? __pfx_ksys_write (fs/read_write.c:721)
[3565.922674][T30844] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1340)
[3565.922841][T30844] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[3565.923008][T30844] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 3565.923220][T30844] RIP: 0033:0x7f9b88d2fb77
[ 3565.923398][T30844] 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
[ 3565.923982][T30844] RSP: 002b:00007ffe9a378398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 3565.924245][T30844] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9b88d2fb77
[ 3565.924500][T30844] RDX: 0000000000000002 RSI: 000055c50863cc10 RDI: 0000000000000001
[ 3565.924753][T30844] RBP: 000055c50863cc10 R08: 0000000000000000 R09: 00007f9b88da24e0
[ 3565.925000][T30844] R10: 00007f9b88da23e0 R11: 0000000000000246 R12: 0000000000000002
[ 3565.925251][T30844] R13: 00007f9b88deb760 R14: 0000000000000002 R15: 00007f9b88de69c0
| [ 3565.929532][T30844] Disabling lock debugging due to kernel taint
| [ 3565.929754][T30844] Oops: general protection fault, probably for non-canonical address 0xf99995999999999c: 0000 [#1] PREEMPT SMP KASAN NOPTI
| [ 3565.930162][T30844] KASAN: maybe wild-memory-access in range [0xcccccccccccccce0-0xcccccccccccccce7]
| [ 3565.930759][T30844] Tainted: [B]=BAD_PAGE
[ 3565.930882][T30844] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[3565.931082][T30844] 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)
[ 3565.931297][T30844] Code: b7 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:	b7 48                	mov    $0x48,%bh
   2:	bb 00 00 00 00       	mov    $0x0,%ebx
   7:	00 fc                	add    %bh,%ah
   9:	ff                   	(bad)
   a:	df 48 c1             	fisttps -0x3f(%rax)
   d:	ed                   	in     (%dx),%eax
   e:	03 48 01             	add    0x1(%rax),%ecx
  11:	dd 4d 8d             	fisttpll -0x73(%rbp)
  14:	75 1c                	jne    0x32
  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
[ 3565.931862][T30844] RSP: 0018:ffffc900059574f0 EFLAGS: 00010a06
[ 3565.932075][T30844] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffffb689f6e3
[ 3565.932322][T30844] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0
[ 3565.932564][T30844] RBP: fffffbfff6fe4c78 R08: 0000000000000000 R09: fffffbfff73bf688
[ 3565.932807][T30844] R10: ffffffffb9dfb447 R11: 205d343438303354 R12: ffff8880133eaa20
[ 3565.933048][T30844] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000
[ 3565.933295][T30844] FS:  00007f9b88bee740(0000) GS:ffff88806d080000(0000) knlGS:0000000000000000
[ 3565.933576][T30844] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3565.933779][T30844] CR2: 000055c50863cc10 CR3: 000000000c852005 CR4: 0000000000772ef0
[ 3565.934024][T30844] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3565.934266][T30844] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3565.934530][T30844] PKRU: 55555554
[ 3565.934653][T30844] Call Trace:
[ 3565.934777][T30844]  <TASK>
[3565.934859][T30844] ? die_addr (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:460)
[3565.934986][T30844] ? exc_general_protection (arch/x86/kernel/traps.c:751 arch/x86/kernel/traps.c:693)
[3565.935155][T30844] ? asm_exc_general_protection (./arch/x86/include/asm/idtentry.h:617)
[3565.935319][T30844] ? 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)
[3565.935486][T30844] ? 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)
[3565.935648][T30844] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484)
[3565.935812][T30844] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[3565.936026][T30844] ? __pfx_page_pool_release (net/core/page_pool.c:1478)
[3565.936187][T30844] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832)
[3565.936352][T30844] page_pool_destroy (net/core/page_pool.c:1555)
[3565.936514][T30844] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim
[3565.936694][T30844] __dev_close_many (net/core/dev.c:1591)
[3565.936854][T30844] ? __pfx___dev_close_many (net/core/dev.c:1555)
[3565.937017][T30844] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[3565.937180][T30844] ? 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)
[3565.937340][T30844] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[3565.937461][T30844] ? 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)
[3565.937623][T30844] dev_close_many (net/core/dev.c:1618)
[3565.937787][T30844] ? __pfx_dev_close_many (net/core/dev.c:1608)
[3565.937957][T30844] unregister_netdevice_many_notify (net/core/dev.c:11562)
[3565.938157][T30844] ? __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)
[3565.938320][T30844] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[3565.938521][T30844] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11529)
[3565.938721][T30844] ? lock_acquire (kernel/locking/lockdep.c:5822)
[3565.938883][T30844] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[3565.939051][T30844] ? nsim_destroy (drivers/net/netdevsim/netdev.c:827) netdevsim
[3565.939222][T30844] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[3565.939382][T30844] unregister_netdevice_queue (net/core/dev.c:11524)
[3565.939542][T30844] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[3565.939704][T30844] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11513)
[3565.939905][T30844] nsim_destroy (drivers/net/netdevsim/netdev.c:832 (discriminator 2)) netdevsim
[3565.940077][T30844] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:426 drivers/net/netdevsim/dev.c:1429) netdevsim
[3565.940290][T30844] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1438 drivers/net/netdevsim/dev.c:1661) netdevsim
[3565.940502][T30844] nsim_drv_remove (drivers/net/netdevsim/dev.c:1678) netdevsim
[3565.940675][T30844] device_release_driver_internal (drivers/base/dd.c:1275 drivers/base/dd.c:1296)
[3565.940873][T30844] ? klist_put (lib/klist.c:220)
[3565.940995][T30844] bus_remove_device (./include/linux/kobject.h:193 drivers/base/base.h:73 drivers/base/bus.c:583)
[3565.941159][T30844] device_del (drivers/base/core.c:3855)
[3565.941284][T30844] ? __pfx_device_del (drivers/base/core.c:3809)
[3565.941450][T30844] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[3565.941610][T30844] ? kernfs_fop_write_iter (fs/kernfs/file.c:326)
[3565.941776][T30844] device_unregister (drivers/base/core.c:3772 drivers/base/core.c:3896)
[3565.941935][T30844] del_device_store (drivers/net/netdevsim/bus.c:230) netdevsim
[3565.942146][T30844] ? __pfx_del_device_store (drivers/net/netdevsim/bus.c:197) netdevsim
[3565.942357][T30844] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[3565.942518][T30844] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1))
[3565.942686][T30844] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[3565.942845][T30844] kernfs_fop_write_iter (fs/kernfs/file.c:334)
[3565.943109][T30844] vfs_write (fs/read_write.c:586 fs/read_write.c:679)
[3565.943233][T30844] ? __pfx_vfs_write (fs/read_write.c:660)
[3565.943395][T30844] ? __lock_release (kernel/locking/lockdep.c:5525)
[3565.943555][T30844] ? 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)
[3565.943817][T30844] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[3565.943982][T30844] ksys_write (fs/read_write.c:731)
[3565.944104][T30844] ? __pfx_ksys_write (fs/read_write.c:721)
[3565.944263][T30844] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1340)
[3565.944530][T30844] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[3565.944693][T30844] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 3565.944894][T30844] RIP: 0033:0x7f9b88d2fb77
[ 3565.945060][T30844] 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
[ 3565.945742][T30844] RSP: 002b:00007ffe9a378398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 3565.946086][T30844] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9b88d2fb77
[ 3565.946326][T30844] RDX: 0000000000000002 RSI: 000055c50863cc10 RDI: 0000000000000001
[ 3565.946573][T30844] RBP: 000055c50863cc10 R08: 0000000000000000 R09: 00007f9b88da24e0
[ 3565.946915][T30844] R10: 00007f9b88da23e0 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