======================================
| [   14.586427][  T244] ==================================================================
| [ 14.586731][ T244] BUG: KASAN: use-after-free in page_pool_item_uninit (net/core/page_pool.c:523)
| [   14.586973][  T244] Read of size 8 at addr ffff88800c11b008 by task ip/244
| [   14.587155][  T244]
[   14.587463][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.587648][  T244] Call Trace:
[   14.587766][  T244]  <TASK>
[ 14.587844][ T244] dump_stack_lvl (lib/dump_stack.c:123)
[ 14.588007][ T244] print_address_description.constprop.0 (mm/kasan/report.c:379)
[ 14.588203][ T244] ? page_pool_item_uninit (net/core/page_pool.c:523)
[ 14.588359][ T244] print_report (mm/kasan/report.c:490)
[ 14.588506][ T244] ? kasan_addr_to_slab (./include/linux/mm.h:1295 mm/kasan/../slab.h:211 mm/kasan/common.c:38)
[ 14.588655][ T244] kasan_report (mm/kasan/report.c:604)
[ 14.588767][ T244] ? page_pool_item_uninit (net/core/page_pool.c:523)
[ 14.588931][ T244] page_pool_item_uninit (net/core/page_pool.c:523)
[ 14.589082][ T244] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484)
[ 14.589233][ T244] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[ 14.589418][ T244] ? __pfx_page_pool_release (net/core/page_pool.c:1478)
[ 14.589566][ T244] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832)
[ 14.589719][ T244] page_pool_destroy (net/core/page_pool.c:1555)
[ 14.589868][ T244] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim
[ 14.590033][ T244] __dev_close_many (net/core/dev.c:1591)
[ 14.590182][ T244] ? __pfx___dev_close_many (net/core/dev.c:1555)
[ 14.590334][ T244] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 14.590482][ T244] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 14.590669][ T244] __dev_change_flags (./include/linux/list.h:111 ./include/linux/list.h:215 ./include/linux/list.h:229 net/core/dev.c:1604 net/core/dev.c:8977)
[ 14.590821][ T244] ? __pfx___dev_change_flags (net/core/dev.c:8943)
[ 14.590966][ T244] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364)
[ 14.591117][ T244] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 14.591269][ T244] dev_change_flags (net/core/dev.c:9051)
[ 14.591424][ T244] do_setlink.constprop.0 (net/core/rtnetlink.c:3118)
[ 14.591576][ T244] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:2999)
[ 14.591759][ T244] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 14.591905][ T244] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4025)
[ 14.592054][ T244] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3926)
[ 14.592207][ T244] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6916)
[ 14.592358][ T244] ? __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)
[ 14.592509][ T244] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[ 14.592702][ T244] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 14.592854][ T244] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 37))
[ 14.593006][ T244] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[ 14.593158][ T244] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 14.593307][ T244] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4025)
[ 14.593455][ T244] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 14.593601][ T244] ? __rtnl_newlink (net/core/rtnetlink.c:3876)
[ 14.593750][ T244] rtnl_newlink (net/core/rtnetlink.c:345 net/core/rtnetlink.c:4027)
[ 14.593899][ T244] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3917)
[ 14.594043][ T244] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 14.594191][ T244] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 14.594334][ T244] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 14.594484][ T244] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6914)
[ 14.594632][ T244] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3917)
[ 14.594780][ T244] rtnetlink_rcv_msg (net/core/rtnetlink.c:6916)
[ 14.594928][ T244] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6819)
[ 14.595081][ T244] ? 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)
[ 14.595232][ T244] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 14.595344][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 14.595494][ T244] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 14.595647][ T244] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6819)
[ 14.595795][ T244] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 14.595947][ T244] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 14.596093][ T244] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333)
[ 14.596259][ T244] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 14.596408][ T244] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 14.596559][ T244] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 14.596713][ T244] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 14.596864][ T244] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 14.597013][ T244] ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2594)
[ 14.597176][ T244] ? __pfx_____sys_sendmsg (net/socket.c:2540)
[ 14.597321][ T244] ? __pfx_copy_msghdr_from_user (net/socket.c:2520)
[ 14.597509][ T244] ___sys_sendmsg (net/socket.c:2650)
[ 14.597660][ T244] ? __pfx____sys_sendmsg (net/socket.c:2637)
[ 14.597814][ T244] ? kasan_save_stack (mm/kasan/common.c:49)
[ 14.597961][ T244] ? kasan_save_stack (mm/kasan/common.c:48)
[ 14.598109][ T244] ? __kasan_record_aux_stack (mm/kasan/generic.c:544)
[ 14.598262][ T244] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:87 ./arch/x86/include/asm/irqflags.h:123 kernel/rcu/tree.c:3087)
[ 14.598450][ T244] ? __x64_sys_close (fs/open.c:1557 fs/open.c:1539 fs/open.c:1539)
[ 14.598598][ T244] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 14.598746][ T244] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 14.598933][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 14.599082][ T244] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 14.599229][ T244] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 14.599376][ T244] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2058 arch/x86/mm/physaddr.c:65)
[ 14.599531][ T244] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 14.599677][ T244] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 14.599825][ T244] __sys_sendmsg (net/socket.c:2680)
[ 14.599973][ T244] ? __pfx___sys_sendmsg (net/socket.c:2665)
[ 14.600120][ T244] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4643)
[ 14.600309][ T244] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 14.600456][ T244] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   14.600647][  T244] RIP: 0033:0x7fc5d28a69a7
[ 14.600804][ T244] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0a 00                	or     (%rax),%al
   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 b9                	jmp    0xffffffffffffffc9
  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 2e 00 00 00       	mov    $0x2e,%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:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

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:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   14.601327][  T244] RSP: 002b:00007ffcccba2e28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   14.601556][  T244] RAX: ffffffffffffffda RBX: 00007ffcccba3550 RCX: 00007fc5d28a69a7
[   14.601779][  T244] RDX: 0000000000000000 RSI: 00007ffcccba2e90 RDI: 0000000000000003
[   14.602002][  T244] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   14.602220][  T244] R10: 00007fc5d2764ef8 R11: 0000000000000246 R12: 0000000000000003
[   14.602449][  T244] R13: 00000000677c4d12 R14: 0000000000498600 R15: 0000000000000000
| [   14.606090][  T244] Disabling lock debugging due to kernel taint
| [   14.606418][  T244] Oops: general protection fault, probably for non-canonical address 0xf99995999999999c: 0000 [#1] PREEMPT SMP KASAN NOPTI
| [   14.606791][  T244] KASAN: maybe wild-memory-access in range [0xcccccccccccccce0-0xcccccccccccccce7]
| [   14.607307][  T244] Tainted: [B]=BAD_PAGE
[   14.607415][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 14.607593][ T244] 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)
[ 14.607781][ T244] Code: bb 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:	bb 48 bb 00 00       	mov    $0xbb48,%ebx
   5:	00 00                	add    %al,(%rax)
   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 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
[   14.608283][  T244] RSP: 0018:ffffc900006f6f98 EFLAGS: 00010a06
[   14.608462][  T244] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffffbaa37b43
[   14.608680][  T244] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0
[   14.608895][  T244] RBP: fffffbfff77d8878 R08: 0000000000000000 R09: fffffbfff7b99888
[   14.609106][  T244] R10: ffffffffbdccc447 R11: ffffc900006f6a80 R12: ffff88800b3ef220
[   14.609321][  T244] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000
[   14.609536][  T244] FS:  00007fc5d269a800(0000) GS:ffff88802f700000(0000) knlGS:0000000000000000
[   14.609784][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.609961][  T244] CR2: 00000000004e5d90 CR3: 000000000ede8004 CR4: 0000000000772ef0
[   14.610178][  T244] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   14.610390][  T244] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   14.610612][  T244] PKRU: 55555554
[   14.610718][  T244] Call Trace:
[   14.610825][  T244]  <TASK>
[ 14.610898][ T244] ? die_addr (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:460)
[ 14.611009][ T244] ? exc_general_protection (arch/x86/kernel/traps.c:751 arch/x86/kernel/traps.c:693)
[ 14.611156][ T244] ? asm_exc_general_protection (./arch/x86/include/asm/idtentry.h:617)
[ 14.611306][ T244] ? 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)
[ 14.611449][ T244] ? 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)
[ 14.611589][ T244] ? 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)
[ 14.611733][ T244] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484)
[ 14.611875][ T244] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[ 14.612058][ T244] ? __pfx_page_pool_release (net/core/page_pool.c:1478)
[ 14.612203][ T244] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832)
[ 14.612347][ T244] page_pool_destroy (net/core/page_pool.c:1555)
[ 14.612489][ T244] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim
[ 14.612644][ T244] __dev_close_many (net/core/dev.c:1591)
[ 14.612786][ T244] ? __pfx___dev_close_many (net/core/dev.c:1555)
[ 14.612929][ T244] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 14.613073][ T244] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 14.613247][ T244] __dev_change_flags (./include/linux/list.h:111 ./include/linux/list.h:215 ./include/linux/list.h:229 net/core/dev.c:1604 net/core/dev.c:8977)
[ 14.613385][ T244] ? __pfx___dev_change_flags (net/core/dev.c:8943)
[ 14.613526][ T244] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364)
[ 14.613667][ T244] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 14.613815][ T244] dev_change_flags (net/core/dev.c:9051)
[ 14.613958][ T244] do_setlink.constprop.0 (net/core/rtnetlink.c:3118)
[ 14.614099][ T244] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:2999)
[ 14.614275][ T244] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 14.614415][ T244] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4025)
[ 14.614556][ T244] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3926)
[ 14.614781][ T244] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6916)
[ 14.614924][ T244] ? __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)
[ 14.615064][ T244] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[ 14.615244][ T244] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 14.615461][ T244] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 37))
[ 14.615599][ T244] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[ 14.615747][ T244] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 14.615887][ T244] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4025)
[ 14.616107][ T244] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 14.616255][ T244] ? __rtnl_newlink (net/core/rtnetlink.c:3876)
[ 14.616395][ T244] rtnl_newlink (net/core/rtnetlink.c:345 net/core/rtnetlink.c:4027)
[ 14.616536][ T244] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3917)
[ 14.616754][ T244] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 14.616896][ T244] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 14.617043][ T244] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 14.617184][ T244] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6914)
[ 14.617406][ T244] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3917)
[ 14.617546][ T244] rtnetlink_rcv_msg (net/core/rtnetlink.c:6916)
[ 14.617686][ T244] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6819)
[ 14.617824][ T244] ? 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)
[ 14.618049][ T244] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 14.618158][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 14.618299][ T244] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 14.618439][ T244] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6819)
[ 14.618661][ T244] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 14.618805][ T244] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 14.618951][ T244] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333)
[ 14.619092][ T244] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 14.619316][ T244] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 14.619456][ T244] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 14.619596][ T244] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 14.619734][ T244] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 14.619955][ T244] ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2594)
[ 14.620100][ T244] ? __pfx_____sys_sendmsg (net/socket.c:2540)
[ 14.620239][ T244] ? __pfx_copy_msghdr_from_user (net/socket.c:2520)
[ 14.620419][ T244] ___sys_sendmsg (net/socket.c:2650)
[ 14.620644][ T244] ? __pfx____sys_sendmsg (net/socket.c:2637)
[ 14.620785][ T244] ? kasan_save_stack (mm/kasan/common.c:49)
[ 14.620930][ T244] ? kasan_save_stack (mm/kasan/common.c:48)
[ 14.621070][ T244] ? __kasan_record_aux_stack (mm/kasan/generic.c:544)
[ 14.621295][ T244] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:87 ./arch/x86/include/asm/irqflags.h:123 kernel/rcu/tree.c:3087)
[ 14.621471][ T244] ? __x64_sys_close (fs/open.c:1557 fs/open.c:1539 fs/open.c:1539)
[ 14.621616][ T244] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 14.621758][ T244] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 14.622012][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 14.622153][ T244] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 14.622308][ T244] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 14.622526][ T244] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2058 arch/x86/mm/physaddr.c:65)
[ 14.622668][ T244] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 14.622807][ T244] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 14.622951][ T244] __sys_sendmsg (net/socket.c:2680)
[ 14.623173][ T244] ? __pfx___sys_sendmsg (net/socket.c:2665)
[ 14.623317][ T244] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4643)
[ 14.623498][ T244] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 14.623636][ T244] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   14.623887][  T244] RIP: 0033:0x7fc5d28a69a7
[ 14.624035][ T244] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0a 00                	or     (%rax),%al
   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 b9                	jmp    0xffffffffffffffc9
  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 2e 00 00 00       	mov    $0x2e,%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:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

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:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   14.624530][  T244] RSP: 002b:00007ffcccba2e28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   14.624743][  T244] RAX: ffffffffffffffda RBX: 00007ffcccba3550 RCX: 00007fc5d28a69a7
[   14.625039][  T244] RDX: 0000000000000000 RSI: 00007ffcccba2e90 RDI: 0000000000000003
[   14.625252][  T244] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   14.625467][  T244] R10: 00007fc5d2764ef8 R11: 0000000000000246 R12: 0000000000000003


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