======================================
| [   11.503043][  T239] ==================================================================
| [ 11.503390][ T239] BUG: KASAN: use-after-free in page_pool_item_uninit (net/core/page_pool.c:523)
| [   11.503635][  T239] Read of size 8 at addr ffff88800902b008 by task ip/239
| [   11.503829][  T239]
[   11.504150][  T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.504348][  T239] Call Trace:
[   11.504470][  T239]  <TASK>
[ 11.504553][ T239] dump_stack_lvl (lib/dump_stack.c:123)
[ 11.504718][ T239] print_address_description.constprop.0 (mm/kasan/report.c:379)
[ 11.504918][ T239] ? page_pool_item_uninit (net/core/page_pool.c:523)
[ 11.505086][ T239] print_report (mm/kasan/report.c:490)
[ 11.505244][ T239] ? kasan_addr_to_slab (./include/linux/mm.h:1295 mm/kasan/../slab.h:211 mm/kasan/common.c:38)
[ 11.505404][ T239] kasan_report (mm/kasan/report.c:604)
[ 11.505526][ T239] ? page_pool_item_uninit (net/core/page_pool.c:523)
[ 11.505686][ T239] page_pool_item_uninit (net/core/page_pool.c:523)
[ 11.505846][ T239] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484)
[ 11.506005][ T239] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[ 11.506216][ T239] ? __pfx_page_pool_release (net/core/page_pool.c:1478)
[ 11.506378][ T239] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832)
[ 11.506539][ T239] page_pool_destroy (net/core/page_pool.c:1555)
[ 11.506697][ T239] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim
[ 11.506869][ T239] __dev_close_many (net/core/dev.c:1591)
[ 11.507029][ T239] ? __pfx___dev_close_many (net/core/dev.c:1555)
[ 11.507220][ T239] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 11.507378][ T239] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 11.507574][ T239] __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)
[ 11.507732][ T239] ? __pfx___dev_change_flags (net/core/dev.c:8943)
[ 11.507888][ T239] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364)
[ 11.508063][ T239] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 11.508223][ T239] dev_change_flags (net/core/dev.c:9051)
[ 11.508386][ T239] do_setlink.constprop.0 (net/core/rtnetlink.c:3118)
[ 11.508549][ T239] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:2999)
[ 11.508745][ T239] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 11.508905][ T239] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4025)
[ 11.509063][ T239] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3926)
[ 11.509219][ T239] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6916)
[ 11.509376][ T239] ? __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)
[ 11.509537][ T239] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[ 11.509739][ T239] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 11.509898][ T239] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 37))
[ 11.510059][ T239] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[ 11.510219][ T239] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 11.510380][ T239] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4025)
[ 11.510538][ T239] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 11.510697][ T239] ? __rtnl_newlink (net/core/rtnetlink.c:3876)
[ 11.510858][ T239] rtnl_newlink (net/core/rtnetlink.c:345 net/core/rtnetlink.c:4027)
[ 11.511021][ T239] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3917)
[ 11.511179][ T239] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 11.511338][ T239] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 11.511496][ T239] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 11.511655][ T239] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6914)
[ 11.511816][ T239] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3917)
[ 11.511976][ T239] rtnetlink_rcv_msg (net/core/rtnetlink.c:6916)
[ 11.512135][ T239] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6819)
[ 11.512293][ T239] ? 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)
[ 11.512453][ T239] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 11.512575][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 11.512735][ T239] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 11.512894][ T239] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6819)
[ 11.513052][ T239] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 11.513215][ T239] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 11.513378][ T239] ? 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)
[ 11.513543][ T239] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 11.513702][ T239] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 11.513861][ T239] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 11.514020][ T239] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 11.514183][ T239] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 11.514345][ T239] ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2594)
[ 11.514505][ T239] ? __pfx_____sys_sendmsg (net/socket.c:2540)
[ 11.514661][ T239] ? __pfx_copy_msghdr_from_user (net/socket.c:2520)
[ 11.514866][ T239] ___sys_sendmsg (net/socket.c:2650)
[ 11.515024][ T239] ? __pfx____sys_sendmsg (net/socket.c:2637)
[ 11.515183][ T239] ? kasan_save_stack (mm/kasan/common.c:49)
[ 11.515343][ T239] ? kasan_save_stack (mm/kasan/common.c:48)
[ 11.515504][ T239] ? __kasan_record_aux_stack (mm/kasan/generic.c:544)
[ 11.515666][ T239] ? __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)
[ 11.515862][ T239] ? __x64_sys_close (fs/open.c:1557 fs/open.c:1539 fs/open.c:1539)
[ 11.516024][ T239] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 11.516190][ T239] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 11.516391][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 11.516553][ T239] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 11.516715][ T239] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 11.516872][ T239] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2058 arch/x86/mm/physaddr.c:65)
[ 11.517034][ T239] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 11.517192][ T239] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 11.517351][ T239] __sys_sendmsg (net/socket.c:2680)
[ 11.517508][ T239] ? __pfx___sys_sendmsg (net/socket.c:2665)
[ 11.517672][ T239] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4643)
[ 11.517877][ T239] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 11.518034][ T239] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   11.518229][  T239] RIP: 0033:0x7f7cdf3179a7
[ 11.518391][ T239] 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)
[   11.518955][  T239] RSP: 002b:00007ffea5f2d3c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   11.519195][  T239] RAX: ffffffffffffffda RBX: 00007ffea5f2daf0 RCX: 00007f7cdf3179a7
[   11.519435][  T239] RDX: 0000000000000000 RSI: 00007ffea5f2d430 RDI: 0000000000000003
[   11.519672][  T239] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   11.519913][  T239] R10: 00007f7cdf1d5ef8 R11: 0000000000000246 R12: 0000000000000003
[   11.520151][  T239] R13: 00000000677c5327 R14: 0000000000498600 R15: 0000000000000000
| [   11.523900][  T239] Disabling lock debugging due to kernel taint
| [   11.524111][  T239] Oops: general protection fault, probably for non-canonical address 0xf99995999999999c: 0000 [#1] PREEMPT SMP KASAN NOPTI
| [   11.524496][  T239] KASAN: maybe wild-memory-access in range [0xcccccccccccccce0-0xcccccccccccccce7]
| [   11.525037][  T239] Tainted: [B]=BAD_PAGE
[   11.525156][  T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.525350][ T239] 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)
[ 11.525552][ T239] Code: 86 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:	86 48 bb             	xchg   %cl,-0x45(%rax)
   3:	00 00                	add    %al,(%rax)
   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
[   11.526102][  T239] RSP: 0018:ffffc900006a6f98 EFLAGS: 00010a06
[   11.526306][  T239] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffff85437b43
[   11.526540][  T239] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0
[   11.526775][  T239] RBP: fffffbfff0d18878 R08: 0000000000000000 R09: fffffbfff10d9888
[   11.527009][  T239] R10: ffffffff886cc447 R11: ffffc900006a6a80 R12: ffff88800f299e20
[   11.527249][  T239] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000
[   11.527481][  T239] FS:  00007f7cdf10b800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[   11.527753][  T239] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.527949][  T239] CR2: 00000000004e45d0 CR3: 0000000004dba002 CR4: 0000000000772ef0
[   11.528190][  T239] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   11.528422][  T239] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   11.528655][  T239] PKRU: 55555554
[   11.528773][  T239] Call Trace:
[   11.528891][  T239]  <TASK>
[ 11.528971][ T239] ? die_addr (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:460)
[ 11.529093][ T239] ? exc_general_protection (arch/x86/kernel/traps.c:751 arch/x86/kernel/traps.c:693)
[ 11.529256][ T239] ? asm_exc_general_protection (./arch/x86/include/asm/idtentry.h:617)
[ 11.529414][ T239] ? 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)
[ 11.529570][ T239] ? 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)
[ 11.529725][ T239] ? 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)
[ 11.529880][ T239] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484)
[ 11.530036][ T239] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[ 11.530232][ T239] ? __pfx_page_pool_release (net/core/page_pool.c:1478)
[ 11.530388][ T239] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832)
[ 11.530545][ T239] page_pool_destroy (net/core/page_pool.c:1555)
[ 11.530700][ T239] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim
[ 11.530868][ T239] __dev_close_many (net/core/dev.c:1591)
[ 11.531026][ T239] ? __pfx___dev_close_many (net/core/dev.c:1555)
[ 11.531180][ T239] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 11.531336][ T239] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 11.531534][ T239] __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)
[ 11.531691][ T239] ? __pfx___dev_change_flags (net/core/dev.c:8943)
[ 11.531845][ T239] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364)
[ 11.532003][ T239] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 11.532160][ T239] dev_change_flags (net/core/dev.c:9051)
[ 11.532318][ T239] do_setlink.constprop.0 (net/core/rtnetlink.c:3118)
[ 11.532479][ T239] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:2999)
[ 11.532672][ T239] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 11.532828][ T239] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4025)
[ 11.532983][ T239] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3926)
[ 11.533137][ T239] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6916)
[ 11.533293][ T239] ? __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)
[ 11.533450][ T239] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[ 11.533652][ T239] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 11.533806][ T239] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 37))
[ 11.533961][ T239] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[ 11.534118][ T239] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 11.534272][ T239] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4025)
[ 11.534426][ T239] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 11.534613][ T239] ? __rtnl_newlink (net/core/rtnetlink.c:3876)
[ 11.534770][ T239] rtnl_newlink (net/core/rtnetlink.c:345 net/core/rtnetlink.c:4027)
[ 11.534930][ T239] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3917)
[ 11.535083][ T239] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 11.535236][ T239] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 11.535390][ T239] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 11.535547][ T239] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6914)
[ 11.535704][ T239] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3917)
[ 11.535857][ T239] rtnetlink_rcv_msg (net/core/rtnetlink.c:6916)
[ 11.536016][ T239] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6819)
[ 11.536179][ T239] ? 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)
[ 11.536333][ T239] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 11.536450][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 11.536605][ T239] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 11.536762][ T239] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6819)
[ 11.536918][ T239] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 11.537078][ T239] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 11.537233][ T239] ? 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)
[ 11.537387][ T239] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 11.537540][ T239] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 11.537696][ T239] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 11.537851][ T239] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 11.538007][ T239] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 11.538166][ T239] ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2594)
[ 11.538320][ T239] ? __pfx_____sys_sendmsg (net/socket.c:2540)
[ 11.538474][ T239] ? __pfx_copy_msghdr_from_user (net/socket.c:2520)
[ 11.538674][ T239] ___sys_sendmsg (net/socket.c:2650)
[ 11.538830][ T239] ? __pfx____sys_sendmsg (net/socket.c:2637)
[ 11.538985][ T239] ? kasan_save_stack (mm/kasan/common.c:49)
[ 11.539141][ T239] ? kasan_save_stack (mm/kasan/common.c:48)
[ 11.539294][ T239] ? __kasan_record_aux_stack (mm/kasan/generic.c:544)
[ 11.539452][ T239] ? __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)
[ 11.539641][ T239] ? __x64_sys_close (fs/open.c:1557 fs/open.c:1539 fs/open.c:1539)
[ 11.539798][ T239] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 11.539952][ T239] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 11.540143][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 11.540297][ T239] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 11.540453][ T239] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 11.540607][ T239] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2058 arch/x86/mm/physaddr.c:65)
[ 11.540763][ T239] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 11.540997][ T239] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 11.541154][ T239] __sys_sendmsg (net/socket.c:2680)
[ 11.541309][ T239] ? __pfx___sys_sendmsg (net/socket.c:2665)
[ 11.541463][ T239] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4643)
[ 11.541736][ T239] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 11.541895][ T239] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   11.542086][  T239] RIP: 0033:0x7f7cdf3179a7
[ 11.542246][ T239] 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)
[   11.542867][  T239] RSP: 002b:00007ffea5f2d3c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   11.543188][  T239] RAX: ffffffffffffffda RBX: 00007ffea5f2daf0 RCX: 00007f7cdf3179a7
[   11.543420][  T239] RDX: 0000000000000000 RSI: 00007ffea5f2d430 RDI: 0000000000000003
[   11.543650][  T239] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   11.543966][  T239] R10: 00007f7cdf1d5ef8 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