======================================
| [   15.977075][  T301] ==================================================================
| [ 15.977368][ T301] BUG: KASAN: use-after-free in page_pool_item_uninit (net/core/page_pool.c:523)
| [   15.977604][  T301] Read of size 8 at addr ffff88800947d008 by task ip/301
| [   15.977791][  T301]
[   15.978111][  T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.978303][  T301] Call Trace:
[   15.978480][  T301]  <TASK>
[ 15.978611][ T301] dump_stack_lvl (lib/dump_stack.c:123)
[ 15.978796][ T301] print_address_description.constprop.0 (mm/kasan/report.c:379)
[ 15.978992][ T301] ? page_pool_item_uninit (net/core/page_pool.c:523)
[ 15.979204][ T301] print_report (mm/kasan/report.c:490)
[ 15.979394][ T301] ? kasan_addr_to_slab (./include/linux/mm.h:1295 mm/kasan/../slab.h:211 mm/kasan/common.c:38)
[ 15.979602][ T301] kasan_report (mm/kasan/report.c:604)
[ 15.979725][ T301] ? page_pool_item_uninit (net/core/page_pool.c:523)
[ 15.979919][ T301] page_pool_item_uninit (net/core/page_pool.c:523)
[ 15.980105][ T301] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484)
[ 15.980272][ T301] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[ 15.980536][ T301] ? __pfx_page_pool_release (net/core/page_pool.c:1478)
[ 15.980691][ T301] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832)
[ 15.980872][ T301] page_pool_destroy (net/core/page_pool.c:1555)
[ 15.981057][ T301] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim
[ 15.981224][ T301] __dev_close_many (net/core/dev.c:1591)
[ 15.981429][ T301] ? __pfx___dev_close_many (net/core/dev.c:1555)
[ 15.981586][ T301] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 15.981787][ T301] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 15.982025][ T301] __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)
[ 15.982178][ T301] ? __pfx___dev_change_flags (net/core/dev.c:8943)
[ 15.982370][ T301] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364)
[ 15.982558][ T301] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 15.982742][ T301] dev_change_flags (net/core/dev.c:9051)
[ 15.982891][ T301] do_setlink.constprop.0 (net/core/rtnetlink.c:3118)
[ 15.983051][ T301] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:2999)
[ 15.983238][ T301] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 15.983395][ T301] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4025)
[ 15.983552][ T301] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3926)
[ 15.983700][ T301] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6916)
[ 15.983859][ T301] ? __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)
[ 15.984046][ T301] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[ 15.984281][ T301] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 15.984502][ T301] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 37))
[ 15.984691][ T301] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[ 15.984898][ T301] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 15.985135][ T301] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4025)
[ 15.985484][ T301] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 15.985688][ T301] ? __rtnl_newlink (net/core/rtnetlink.c:3876)
[ 15.985837][ T301] rtnl_newlink (net/core/rtnetlink.c:345 net/core/rtnetlink.c:4027)
[ 15.985987][ T301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3917)
[ 15.986135][ T301] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 15.986294][ T301] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 15.986541][ T301] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 15.986751][ T301] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6914)
[ 15.986900][ T301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3917)
[ 15.987051][ T301] rtnetlink_rcv_msg (net/core/rtnetlink.c:6916)
[ 15.987196][ T301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6819)
[ 15.987355][ T301] ? 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)
[ 15.987505][ T301] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 15.987616][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 15.987763][ T301] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 15.987915][ T301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6819)
[ 15.988065][ T301] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 15.988218][ T301] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 15.988387][ T301] ? 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)
[ 15.988536][ T301] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 15.988688][ T301] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 15.988837][ T301] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 15.988994][ T301] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 15.989140][ T301] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 15.989298][ T301] ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2594)
[ 15.989461][ T301] ? __pfx_____sys_sendmsg (net/socket.c:2540)
[ 15.989610][ T301] ? __pfx_copy_msghdr_from_user (net/socket.c:2520)
[ 15.989813][ T301] ___sys_sendmsg (net/socket.c:2650)
[ 15.989964][ T301] ? __pfx____sys_sendmsg (net/socket.c:2637)
[ 15.990123][ T301] ? kasan_save_stack (mm/kasan/common.c:49)
[ 15.990272][ T301] ? kasan_save_stack (mm/kasan/common.c:48)
[ 15.990446][ T301] ? __kasan_record_aux_stack (mm/kasan/generic.c:544)
[ 15.990596][ T301] ? __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)
[ 15.990781][ T301] ? __x64_sys_close (fs/open.c:1557 fs/open.c:1539 fs/open.c:1539)
[ 15.990927][ T301] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 15.991074][ T301] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 15.991265][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 15.991424][ T301] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 15.991624][ T301] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 15.991818][ T301] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2058 arch/x86/mm/physaddr.c:65)
[ 15.991982][ T301] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 15.992145][ T301] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 15.992319][ T301] __sys_sendmsg (net/socket.c:2680)
[ 15.992496][ T301] ? __pfx___sys_sendmsg (net/socket.c:2665)
[ 15.992655][ T301] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4643)
[ 15.992865][ T301] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 15.993029][ T301] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   15.993236][  T301] RIP: 0033:0x7fd41075d9a7
[ 15.993419][ T301] 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)
[   15.993991][  T301] RSP: 002b:00007ffc7236b2a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   15.994236][  T301] RAX: ffffffffffffffda RBX: 00007ffc7236b9d0 RCX: 00007fd41075d9a7
[   15.994490][  T301] RDX: 0000000000000000 RSI: 00007ffc7236b310 RDI: 0000000000000005
[   15.994744][  T301] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   15.994987][  T301] R10: 00007fd41061bef8 R11: 0000000000000246 R12: 0000000000000003
[   15.995233][  T301] R13: 00000000677c4cfa R14: 0000000000498600 R15: 0000000000000000
| [   15.999137][  T301] Disabling lock debugging due to kernel taint
| [   15.999546][  T301] Oops: general protection fault, probably for non-canonical address 0xf99995999999999c: 0000 [#1] PREEMPT SMP KASAN NOPTI
| [   15.999950][  T301] KASAN: maybe wild-memory-access in range [0xcccccccccccccce0-0xcccccccccccccce7]
| [   16.000481][  T301] Tainted: [B]=BAD_PAGE
[   16.000590][  T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.000770][ T301] 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)
[ 16.000959][ T301] Code: 8f 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:	8f 48 bb 00          	(bad)
   4:	00 00                	add    %al,(%rax)
   6:	00 00                	add    %al,(%rax)
   8:	fc                   	cld
   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
[   16.001495][  T301] RSP: 0018:ffffc90000516f98 EFLAGS: 00010a06
[   16.001675][  T301] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffff8e029ac3
[   16.001896][  T301] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0
[   16.002110][  T301] RBP: fffffbfff1e98a78 R08: 0000000000000000 R09: fffffbfff225a088
[   16.002342][  T301] R10: ffffffff912d0447 R11: 205d313033542020 R12: ffff888008d24e20
[   16.002560][  T301] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000
[   16.002779][  T301] FS:  00007fd410551800(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[   16.003031][  T301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.003216][  T301] CR2: 00000000004e55b8 CR3: 0000000009a08001 CR4: 0000000000772ef0
[   16.003456][  T301] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   16.003670][  T301] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   16.003883][  T301] PKRU: 55555554
[   16.003995][  T301] Call Trace:
[   16.004104][  T301]  <TASK>
[ 16.004182][ T301] ? die_addr (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:460)
[ 16.004314][ T301] ? exc_general_protection (arch/x86/kernel/traps.c:751 arch/x86/kernel/traps.c:693)
[ 16.004563][ T301] ? asm_exc_general_protection (./arch/x86/include/asm/idtentry.h:617)
[ 16.004716][ T301] ? 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)
[ 16.004878][ T301] ? 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)
[ 16.005047][ T301] ? 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)
[ 16.005191][ T301] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484)
[ 16.005351][ T301] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[ 16.005542][ T301] ? __pfx_page_pool_release (net/core/page_pool.c:1478)
[ 16.005685][ T301] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832)
[ 16.005926][ T301] page_pool_destroy (net/core/page_pool.c:1555)
[ 16.006094][ T301] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim
[ 16.006282][ T301] __dev_close_many (net/core/dev.c:1591)
[ 16.006454][ T301] ? __pfx___dev_close_many (net/core/dev.c:1555)
[ 16.006750][ T301] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 16.006901][ T301] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 16.007079][ T301] __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)
[ 16.007272][ T301] ? __pfx___dev_change_flags (net/core/dev.c:8943)
[ 16.007524][ T301] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364)
[ 16.007669][ T301] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 16.007814][ T301] dev_change_flags (net/core/dev.c:9051)
[ 16.007956][ T301] do_setlink.constprop.0 (net/core/rtnetlink.c:3118)
[ 16.008194][ T301] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:2999)
[ 16.008390][ T301] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 16.008555][ T301] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4025)
[ 16.008802][ T301] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3926)
[ 16.008977][ T301] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6916)
[ 16.009122][ T301] ? __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)
[ 16.009309][ T301] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[ 16.009635][ T301] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 16.009795][ T301] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 37))
[ 16.009966][ T301] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[ 16.010112][ T301] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 16.010378][ T301] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4025)
[ 16.010536][ T301] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 16.010680][ T301] ? __rtnl_newlink (net/core/rtnetlink.c:3876)
[ 16.010867][ T301] rtnl_newlink (net/core/rtnetlink.c:345 net/core/rtnetlink.c:4027)
[ 16.011094][ T301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3917)
[ 16.011235][ T301] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 16.011402][ T301] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 16.011581][ T301] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 16.011857][ T301] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6914)
[ 16.012042][ T301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3917)
[ 16.012199][ T301] rtnetlink_rcv_msg (net/core/rtnetlink.c:6916)
[ 16.012419][ T301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6819)
[ 16.012644][ T301] ? 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)
[ 16.012792][ T301] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 16.012943][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 16.013105][ T301] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 16.013346][ T301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6819)
[ 16.013543][ T301] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 16.013766][ T301] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 16.013913][ T301] ? 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)
[ 16.014138][ T301] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 16.014281][ T301] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 16.014468][ T301] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 16.014643][ T301] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 16.014929][ T301] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 16.015092][ T301] ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2594)
[ 16.015238][ T301] ? __pfx_____sys_sendmsg (net/socket.c:2540)
[ 16.015422][ T301] ? __pfx_copy_msghdr_from_user (net/socket.c:2520)
[ 16.015716][ T301] ___sys_sendmsg (net/socket.c:2650)
[ 16.015915][ T301] ? __pfx____sys_sendmsg (net/socket.c:2637)
[ 16.016063][ T301] ? kasan_save_stack (mm/kasan/common.c:49)
[ 16.016209][ T301] ? kasan_save_stack (mm/kasan/common.c:48)
[ 16.016455][ T301] ? __kasan_record_aux_stack (mm/kasan/generic.c:544)
[ 16.016628][ T301] ? __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)
[ 16.016823][ T301] ? __x64_sys_close (fs/open.c:1557 fs/open.c:1539 fs/open.c:1539)
[ 16.016969][ T301] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 16.017223][ T301] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 16.017445][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 16.017617][ T301] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 16.017832][ T301] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 16.018107][ T301] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2058 arch/x86/mm/physaddr.c:65)
[ 16.018308][ T301] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 16.018530][ T301] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 16.018730][ T301] __sys_sendmsg (net/socket.c:2680)
[ 16.019103][ T301] ? __pfx___sys_sendmsg (net/socket.c:2665)
[ 16.019319][ T301] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4643)
[ 16.019623][ T301] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 16.020004][ T301] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   16.020296][  T301] RIP: 0033:0x7fd41075d9a7
[ 16.020534][ T301] 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)
[   16.021472][  T301] RSP: 002b:00007ffc7236b2a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   16.021833][  T301] RAX: ffffffffffffffda RBX: 00007ffc7236b9d0 RCX: 00007fd41075d9a7
[   16.022340][  T301] RDX: 0000000000000000 RSI: 00007ffc7236b310 RDI: 0000000000000005
[   16.022692][  T301] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   16.023038][  T301] R10: 00007fd41061bef8 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