======================================
| [   12.399000][  T303] ==================================================================
| [ 12.399353][ T303] BUG: KASAN: use-after-free in page_pool_item_uninit (net/core/page_pool.c:523)
| [   12.399601][  T303] Read of size 8 at addr ffff888009a10008 by task ip/303
| [   12.399796][  T303]
[   12.400121][  T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.400322][  T303] Call Trace:
[   12.400444][  T303]  <TASK>
[ 12.400528][ T303] dump_stack_lvl (lib/dump_stack.c:123)
[ 12.400694][ T303] print_address_description.constprop.0 (mm/kasan/report.c:379)
[ 12.400895][ T303] ? page_pool_item_uninit (net/core/page_pool.c:523)
[ 12.401062][ T303] print_report (mm/kasan/report.c:490)
[ 12.401225][ T303] ? kasan_addr_to_slab (./include/linux/mm.h:1295 mm/kasan/../slab.h:211 mm/kasan/common.c:38)
[ 12.401390][ T303] kasan_report (mm/kasan/report.c:604)
[ 12.401512][ T303] ? page_pool_item_uninit (net/core/page_pool.c:523)
[ 12.401674][ T303] page_pool_item_uninit (net/core/page_pool.c:523)
[ 12.401832][ T303] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484)
[ 12.401991][ T303] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[ 12.402190][ T303] ? __pfx_page_pool_release (net/core/page_pool.c:1478)
[ 12.402346][ T303] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832)
[ 12.402511][ T303] page_pool_destroy (net/core/page_pool.c:1555)
[ 12.402667][ T303] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim
[ 12.402844][ T303] __dev_close_many (net/core/dev.c:1591)
[ 12.403001][ T303] ? __pfx___dev_close_many (net/core/dev.c:1555)
[ 12.403157][ T303] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 12.403316][ T303] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 12.403515][ T303] __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)
[ 12.403679][ T303] ? __pfx___dev_change_flags (net/core/dev.c:8943)
[ 12.403836][ T303] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364)
[ 12.404000][ T303] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 12.404163][ T303] dev_change_flags (net/core/dev.c:9051)
[ 12.404320][ T303] do_setlink.constprop.0 (net/core/rtnetlink.c:3118)
[ 12.404478][ T303] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:2999)
[ 12.404678][ T303] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 12.404837][ T303] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4025)
[ 12.404994][ T303] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3926)
[ 12.405152][ T303] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6916)
[ 12.405312][ T303] ? __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)
[ 12.405472][ T303] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[ 12.405669][ T303] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 12.405825][ T303] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 37))
[ 12.405989][ T303] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[ 12.406151][ T303] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 12.406309][ T303] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4025)
[ 12.406465][ T303] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 12.406628][ T303] ? __rtnl_newlink (net/core/rtnetlink.c:3876)
[ 12.406789][ T303] rtnl_newlink (net/core/rtnetlink.c:345 net/core/rtnetlink.c:4027)
[ 12.406950][ T303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3917)
[ 12.407108][ T303] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 12.407284][ T303] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 12.407441][ T303] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 12.407600][ T303] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6914)
[ 12.407758][ T303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3917)
[ 12.407917][ T303] rtnetlink_rcv_msg (net/core/rtnetlink.c:6916)
[ 12.408076][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6819)
[ 12.408235][ T303] ? 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)
[ 12.408398][ T303] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 12.408520][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 12.408678][ T303] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 12.408835][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6819)
[ 12.408995][ T303] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 12.409159][ T303] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 12.409321][ T303] ? 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)
[ 12.409484][ T303] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 12.409642][ T303] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 12.409801][ T303] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 12.409961][ T303] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 12.410117][ T303] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 12.410278][ T303] ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2594)
[ 12.410440][ T303] ? __pfx_____sys_sendmsg (net/socket.c:2540)
[ 12.410600][ T303] ? __pfx_copy_msghdr_from_user (net/socket.c:2520)
[ 12.410803][ T303] ___sys_sendmsg (net/socket.c:2650)
[ 12.410961][ T303] ? __pfx____sys_sendmsg (net/socket.c:2637)
[ 12.411120][ T303] ? kasan_save_stack (mm/kasan/common.c:49)
[ 12.411280][ T303] ? kasan_save_stack (mm/kasan/common.c:48)
[ 12.411435][ T303] ? __kasan_record_aux_stack (mm/kasan/generic.c:544)
[ 12.411593][ T303] ? __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)
[ 12.411794][ T303] ? __x64_sys_close (fs/open.c:1557 fs/open.c:1539 fs/open.c:1539)
[ 12.411953][ T303] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 12.412112][ T303] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 12.412313][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 12.412473][ T303] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 12.412632][ T303] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 12.412788][ T303] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2058 arch/x86/mm/physaddr.c:65)
[ 12.412949][ T303] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 12.413110][ T303] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 12.413270][ T303] __sys_sendmsg (net/socket.c:2680)
[ 12.413425][ T303] ? __pfx___sys_sendmsg (net/socket.c:2665)
[ 12.413583][ T303] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4643)
[ 12.413788][ T303] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 12.413945][ T303] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   12.414142][  T303] RIP: 0033:0x7f43f9c279a7
[ 12.414306][ T303] 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)
[   12.414858][  T303] RSP: 002b:00007fff88c11bb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   12.415096][  T303] RAX: ffffffffffffffda RBX: 00007fff88c122e0 RCX: 00007f43f9c279a7
[   12.415338][  T303] RDX: 0000000000000000 RSI: 00007fff88c11c20 RDI: 0000000000000005
[   12.415578][  T303] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   12.415819][  T303] R10: 00007f43f9ae5ef8 R11: 0000000000000246 R12: 0000000000000003
[   12.416055][  T303] R13: 00000000677c52aa R14: 0000000000498600 R15: 0000000000000000
| [   12.419881][  T303] Disabling lock debugging due to kernel taint
| [   12.420100][  T303] Oops: general protection fault, probably for non-canonical address 0xf99995999999999c: 0000 [#1] PREEMPT SMP KASAN NOPTI
| [   12.420482][  T303] KASAN: maybe wild-memory-access in range [0xcccccccccccccce0-0xcccccccccccccce7]
| [   12.421030][  T303] Tainted: [B]=BAD_PAGE
[   12.421157][  T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.421351][ T303] 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)
[ 12.421552][ T303] Code: 8d 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 dd 9c 69 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:	8d 48 bb             	lea    -0x45(%rax),%ecx
   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 dd 9c 69 fe       	call   0xfffffffffe699d00
  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
[   12.422101][  T303] RSP: 0018:ffffc90000556f98 EFLAGS: 00010a06
[   12.422303][  T303] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffff8c629ac3
[   12.422534][  T303] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0
[   12.422856][  T303] RBP: fffffbfff1b58a78 R08: 0000000000000000 R09: fffffbfff1f1a088
[   12.423089][  T303] R10: ffffffff8f8d0447 R11: 205d333033542020 R12: ffff88800a72e620
[   12.423334][  T303] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000
[   12.423649][  T303] FS:  00007f43f9a1b800(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[   12.423920][  T303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.424114][  T303] CR2: 00000000004e4890 CR3: 0000000005896003 CR4: 0000000000772ef0
[   12.424436][  T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   12.424666][  T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   12.424982][  T303] PKRU: 55555554
[   12.425098][  T303] Call Trace:
[   12.425219][  T303]  <TASK>
[ 12.425298][ T303] ? die_addr (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:460)
[ 12.425419][ T303] ? exc_general_protection (arch/x86/kernel/traps.c:751 arch/x86/kernel/traps.c:693)
[ 12.425579][ T303] ? asm_exc_general_protection (./arch/x86/include/asm/idtentry.h:617)
[ 12.425817][ T303] ? 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)
[ 12.425971][ T303] ? 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)
[ 12.426126][ T303] ? 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)
[ 12.426280][ T303] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484)
[ 12.426524][ T303] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[ 12.426716][ T303] ? __pfx_page_pool_release (net/core/page_pool.c:1478)
[ 12.426870][ T303] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832)
[ 12.427107][ T303] page_pool_destroy (net/core/page_pool.c:1555)
[ 12.427266][ T303] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim
[ 12.427439][ T303] __dev_close_many (net/core/dev.c:1591)
[ 12.427593][ T303] ? __pfx___dev_close_many (net/core/dev.c:1555)
[ 12.427829][ T303] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 12.427983][ T303] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 12.428178][ T303] __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)
[ 12.428336][ T303] ? __pfx___dev_change_flags (net/core/dev.c:8943)
[ 12.428569][ T303] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364)
[ 12.428729][ T303] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 12.428884][ T303] dev_change_flags (net/core/dev.c:9051)
[ 12.429039][ T303] do_setlink.constprop.0 (net/core/rtnetlink.c:3118)
[ 12.429195][ T303] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:2999)
[ 12.429386][ T303] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 12.429539][ T303] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4025)
[ 12.429693][ T303] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3926)
[ 12.429929][ T303] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6916)
[ 12.430083][ T303] ? __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)
[ 12.430238][ T303] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[ 12.430431][ T303] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 12.430664][ T303] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 37))
[ 12.430816][ T303] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[ 12.430972][ T303] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 12.431128][ T303] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4025)
[ 12.431358][ T303] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 12.431527][ T303] ? __rtnl_newlink (net/core/rtnetlink.c:3876)
[ 12.431684][ T303] rtnl_newlink (net/core/rtnetlink.c:345 net/core/rtnetlink.c:4027)
[ 12.431839][ T303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3917)
[ 12.432072][ T303] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 12.432225][ T303] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 12.432378][ T303] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 12.432535][ T303] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6914)
[ 12.432771][ T303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3917)
[ 12.432925][ T303] rtnetlink_rcv_msg (net/core/rtnetlink.c:6916)
[ 12.433079][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6819)
[ 12.433237][ T303] ? 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)
[ 12.433470][ T303] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 12.433587][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 12.433745][ T303] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 12.433902][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6819)
[ 12.434138][ T303] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 12.434297][ T303] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 12.434453][ T303] ? 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)
[ 12.434612][ T303] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 12.434848][ T303] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 12.435003][ T303] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 12.435158][ T303] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 12.435312][ T303] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 12.435551][ T303] ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2594)
[ 12.435709][ T303] ? __pfx_____sys_sendmsg (net/socket.c:2540)
[ 12.435866][ T303] ? __pfx_copy_msghdr_from_user (net/socket.c:2520)
[ 12.436062][ T303] ___sys_sendmsg (net/socket.c:2650)
[ 12.436302][ T303] ? __pfx____sys_sendmsg (net/socket.c:2637)
[ 12.436457][ T303] ? kasan_save_stack (mm/kasan/common.c:49)
[ 12.436611][ T303] ? kasan_save_stack (mm/kasan/common.c:48)
[ 12.436767][ T303] ? __kasan_record_aux_stack (mm/kasan/generic.c:544)
[ 12.437011][ T303] ? __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)
[ 12.437207][ T303] ? __x64_sys_close (fs/open.c:1557 fs/open.c:1539 fs/open.c:1539)
[ 12.437368][ T303] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 12.437605][ T303] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 12.437795][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 12.437949][ T303] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 12.438107][ T303] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 12.438261][ T303] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2058 arch/x86/mm/physaddr.c:65)
[ 12.438415][ T303] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 12.438569][ T303] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 12.438727][ T303] __sys_sendmsg (net/socket.c:2680)
[ 12.438966][ T303] ? __pfx___sys_sendmsg (net/socket.c:2665)
[ 12.439120][ T303] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4643)
[ 12.439318][ T303] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 12.439474][ T303] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   12.439746][  T303] RIP: 0033:0x7f43f9c279a7
[ 12.439905][ T303] 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)
[   12.440535][  T303] RSP: 002b:00007fff88c11bb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   12.440768][  T303] RAX: ffffffffffffffda RBX: 00007fff88c122e0 RCX: 00007f43f9c279a7
[   12.441099][  T303] RDX: 0000000000000000 RSI: 00007fff88c11c20 RDI: 0000000000000005
[   12.441334][  T303] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   12.441565][  T303] R10: 00007f43f9ae5ef8 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