======================================
| [   12.850802][  T252] ==================================================================
| [ 12.851155][ T252] BUG: KASAN: use-after-free in page_pool_item_uninit (net/core/page_pool.c:523)
| [   12.851403][  T252] Read of size 8 at addr ffff8880029b9008 by task busy_poll_test./252
| [   12.851643][  T252]
[   12.852008][  T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.852211][  T252] Call Trace:
[   12.852336][  T252]  <TASK>
[ 12.852422][ T252] dump_stack_lvl (lib/dump_stack.c:123)
[ 12.852589][ T252] print_address_description.constprop.0 (mm/kasan/report.c:379)
[ 12.852796][ T252] ? page_pool_item_uninit (net/core/page_pool.c:523)
[ 12.852961][ T252] print_report (mm/kasan/report.c:490)
[ 12.853121][ T252] ? kasan_addr_to_slab (./include/linux/mm.h:1295 mm/kasan/../slab.h:211 mm/kasan/common.c:38)
[ 12.853283][ T252] kasan_report (mm/kasan/report.c:604)
[ 12.853405][ T252] ? page_pool_item_uninit (net/core/page_pool.c:523)
[ 12.853573][ T252] page_pool_item_uninit (net/core/page_pool.c:523)
[ 12.853738][ T252] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484)
[ 12.853901][ T252] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[ 12.854102][ T252] ? __pfx_page_pool_release (net/core/page_pool.c:1478)
[ 12.854264][ T252] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832)
[ 12.854429][ T252] page_pool_destroy (net/core/page_pool.c:1555)
[ 12.854599][ T252] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim
[ 12.854776][ T252] __dev_close_many (net/core/dev.c:1591)
[ 12.854940][ T252] ? __pfx___dev_close_many (net/core/dev.c:1555)
[ 12.855105][ T252] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 12.855267][ T252] ? 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)
[ 12.855426][ T252] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 12.855549][ T252] ? 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)
[ 12.855713][ T252] dev_close_many (net/core/dev.c:1618)
[ 12.855879][ T252] ? __pfx_dev_close_many (net/core/dev.c:1608)
[ 12.856056][ T252] unregister_netdevice_many_notify (net/core/dev.c:11562)
[ 12.856252][ T252] ? __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)
[ 12.856413][ T252] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[ 12.856630][ T252] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11529)
[ 12.856833][ T252] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 12.856996][ T252] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[ 12.857157][ T252] ? nsim_destroy (drivers/net/netdevsim/netdev.c:827) netdevsim
[ 12.857329][ T252] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 12.857494][ T252] unregister_netdevice_queue (net/core/dev.c:11524)
[ 12.857671][ T252] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 12.857829][ T252] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11513)
[ 12.858025][ T252] nsim_destroy (drivers/net/netdevsim/netdev.c:832 (discriminator 2)) netdevsim
[ 12.858196][ T252] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:426 drivers/net/netdevsim/dev.c:1429) netdevsim
[ 12.858403][ T252] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1438 drivers/net/netdevsim/dev.c:1661) netdevsim
[ 12.858607][ T252] nsim_drv_remove (drivers/net/netdevsim/dev.c:1678) netdevsim
[ 12.858773][ T252] device_release_driver_internal (drivers/base/dd.c:1275 drivers/base/dd.c:1296)
[ 12.858990][ T252] ? klist_put (lib/klist.c:220)
[ 12.859113][ T252] bus_remove_device (./include/linux/kobject.h:193 drivers/base/base.h:73 drivers/base/bus.c:583)
[ 12.859280][ T252] device_del (drivers/base/core.c:3855)
[ 12.859409][ T252] ? __pfx_device_del (drivers/base/core.c:3809)
[ 12.859573][ T252] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 12.859735][ T252] ? kernfs_fop_write_iter (fs/kernfs/file.c:326)
[ 12.859900][ T252] device_unregister (drivers/base/core.c:3772 drivers/base/core.c:3896)
[ 12.860062][ T252] del_device_store (drivers/net/netdevsim/bus.c:230) netdevsim
[ 12.860283][ T252] ? __pfx_del_device_store (drivers/net/netdevsim/bus.c:197) netdevsim
[ 12.860508][ T252] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[ 12.860671][ T252] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1))
[ 12.860831][ T252] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[ 12.860993][ T252] kernfs_fop_write_iter (fs/kernfs/file.c:334)
[ 12.861153][ T252] vfs_write (fs/read_write.c:586 fs/read_write.c:679)
[ 12.861276][ T252] ? __pfx_vfs_write (fs/read_write.c:660)
[ 12.861437][ T252] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 12.861600][ T252] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 12.861766][ T252] ksys_write (fs/read_write.c:731)
[ 12.861889][ T252] ? __pfx_ksys_write (fs/read_write.c:721)
[ 12.862052][ T252] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 12.862214][ T252] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   12.862426][  T252] RIP: 0033:0x7fbd2e99ab77
[ 12.862591][ T252] 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
[   12.863151][  T252] RSP: 002b:00007fff2dd71128 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   12.863390][  T252] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbd2e99ab77
[   12.863626][  T252] RDX: 0000000000000004 RSI: 00005633961cef80 RDI: 0000000000000001
[   12.863859][  T252] RBP: 00005633961cef80 R08: 0000000000000000 R09: 00007fbd2ea0d4e0
[   12.864097][  T252] R10: 00007fbd2ea0d3e0 R11: 0000000000000246 R12: 0000000000000004
[   12.864332][  T252] R13: 00007fbd2ea56760 R14: 0000000000000004 R15: 00007fbd2ea519c0
| [   12.868363][  T252] Disabling lock debugging due to kernel taint
| [   12.868590][  T252] Oops: general protection fault, probably for non-canonical address 0xf99995999999999c: 0000 [#1] PREEMPT SMP KASAN NOPTI
| [   12.868974][  T252] KASAN: maybe wild-memory-access in range [0xcccccccccccccce0-0xcccccccccccccce7]
| [   12.869560][  T252] Tainted: [B]=BAD_PAGE
[   12.869688][  T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.869878][ T252] 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)
[ 12.870077][ T252] Code: b2 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:	b2 48                	mov    $0x48,%dl
   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
[   12.870613][  T252] RSP: 0018:ffffc90000b374f0 EFLAGS: 00010a06
[   12.870805][  T252] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffffb189f6e3
[   12.871032][  T252] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0
[   12.871257][  T252] RBP: fffffbfff65e4c78 R08: 0000000000000000 R09: fffffbfff69bf688
[   12.871482][  T252] R10: ffffffffb4dfb447 R11: 205d323532542020 R12: ffff88800e48aa20
[   12.871712][  T252] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000
[   12.871939][  T252] FS:  00007fbd2e859740(0000) GS:ffff88806d080000(0000) knlGS:0000000000000000
[   12.872224][  T252] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.872420][  T252] CR2: 00005633961cef80 CR3: 0000000009920004 CR4: 0000000000772ef0
[   12.872655][  T252] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   12.872887][  T252] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   12.873119][  T252] PKRU: 55555554
[   12.873235][  T252] Call Trace:
[   12.873351][  T252]  <TASK>
[ 12.873431][ T252] ? die_addr (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:460)
[ 12.873553][ T252] ? exc_general_protection (arch/x86/kernel/traps.c:751 arch/x86/kernel/traps.c:693)
[ 12.873724][ T252] ? asm_exc_general_protection (./arch/x86/include/asm/idtentry.h:617)
[ 12.873878][ T252] ? 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)
[ 12.874029][ T252] ? 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)
[ 12.874182][ T252] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484)
[ 12.874336][ T252] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[ 12.874563][ T252] ? __pfx_page_pool_release (net/core/page_pool.c:1478)
[ 12.874720][ T252] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832)
[ 12.874879][ T252] page_pool_destroy (net/core/page_pool.c:1555)
[ 12.875035][ T252] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim
[ 12.875204][ T252] __dev_close_many (net/core/dev.c:1591)
[ 12.875360][ T252] ? __pfx___dev_close_many (net/core/dev.c:1555)
[ 12.875517][ T252] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 12.875673][ T252] ? 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)
[ 12.875838][ T252] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 12.875957][ T252] ? 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)
[ 12.876128][ T252] dev_close_many (net/core/dev.c:1618)
[ 12.876284][ T252] ? __pfx_dev_close_many (net/core/dev.c:1608)
[ 12.876441][ T252] unregister_netdevice_many_notify (net/core/dev.c:11562)
[ 12.876637][ T252] ? __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)
[ 12.876796][ T252] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[ 12.876988][ T252] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11529)
[ 12.877185][ T252] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 12.877342][ T252] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[ 12.877499][ T252] ? nsim_destroy (drivers/net/netdevsim/netdev.c:827) netdevsim
[ 12.877693][ T252] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 12.877849][ T252] unregister_netdevice_queue (net/core/dev.c:11524)
[ 12.878005][ T252] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 12.878163][ T252] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11513)
[ 12.878357][ T252] nsim_destroy (drivers/net/netdevsim/netdev.c:832 (discriminator 2)) netdevsim
[ 12.878523][ T252] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:426 drivers/net/netdevsim/dev.c:1429) netdevsim
[ 12.878727][ T252] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1438 drivers/net/netdevsim/dev.c:1661) netdevsim
[ 12.878931][ T252] nsim_drv_remove (drivers/net/netdevsim/dev.c:1678) netdevsim
[ 12.879097][ T252] device_release_driver_internal (drivers/base/dd.c:1275 drivers/base/dd.c:1296)
[ 12.879290][ T252] ? klist_put (lib/klist.c:220)
[ 12.879413][ T252] bus_remove_device (./include/linux/kobject.h:193 drivers/base/base.h:73 drivers/base/bus.c:583)
[ 12.879570][ T252] device_del (drivers/base/core.c:3855)
[ 12.879691][ T252] ? __pfx_device_del (drivers/base/core.c:3809)
[ 12.879846][ T252] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 12.880003][ T252] ? kernfs_fop_write_iter (fs/kernfs/file.c:326)
[ 12.880161][ T252] device_unregister (drivers/base/core.c:3772 drivers/base/core.c:3896)
[ 12.880316][ T252] del_device_store (drivers/net/netdevsim/bus.c:230) netdevsim
[ 12.880524][ T252] ? __pfx_del_device_store (drivers/net/netdevsim/bus.c:197) netdevsim
[ 12.880728][ T252] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[ 12.880882][ T252] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1))
[ 12.881040][ T252] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132)
[ 12.881293][ T252] kernfs_fop_write_iter (fs/kernfs/file.c:334)
[ 12.881459][ T252] vfs_write (fs/read_write.c:586 fs/read_write.c:679)
[ 12.881578][ T252] ? __pfx_vfs_write (fs/read_write.c:660)
[ 12.881744][ T252] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 12.881988][ T252] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 12.882143][ T252] ksys_write (fs/read_write.c:731)
[ 12.882258][ T252] ? __pfx_ksys_write (fs/read_write.c:721)
[ 12.882431][ T252] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 12.882682][ T252] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   12.882875][  T252] RIP: 0033:0x7fbd2e99ab77
[ 12.883035][ T252] 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
[   12.883689][  T252] RSP: 002b:00007fff2dd71128 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   12.883917][  T252] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbd2e99ab77
[   12.884242][  T252] RDX: 0000000000000004 RSI: 00005633961cef80 RDI: 0000000000000001
[   12.884494][  T252] RBP: 00005633961cef80 R08: 0000000000000000 R09: 00007fbd2ea0d4e0
[   12.884827][  T252] R10: 00007fbd2ea0d3e0 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