panic: LOCKDEBUG: Reader / writer lock error: rw_vector_enter,NUM: locking against m

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syzbot

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May 10, 2024, 8:17:25 PMMay 10
to syzkaller-...@googlegroups.com
Hello,

syzbot found the following issue on:

HEAD commit: 2173c07c8444 tests/usr.bin/mtree/t_sets: Add base32, base6..
git tree: netbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=10a701b8980000
kernel config: https://syzkaller.appspot.com/x/.config?x=1420f906d33d9f1f
dashboard link: https://syzkaller.appspot.com/bug?extid=0d17bc28fb8e4c103d62
compiler: g++ (Debian 12.2.0-14) 12.2.0

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/ac6df0d347b4/disk-2173c07c.raw.xz
netbsd.gdb: https://storage.googleapis.com/syzbot-assets/b8c151e28748/netbsd-2173c07c.gdb.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+0d17bc...@syzkaller.appspotmail.com

[ 88 .0811406] panic: LOCKDEBUG: Rea de r / wri ter lock error: rw_vector_enter,300: locking against myself
[ 88.0909833] cpu1: Begin traceback...
./file0 [ 8 8.1309844] vpanic() at netb sd:vpanic+0x2f0
�� [ 88.2709839] panic() at netbsd:panic+0x49 sys/kern/subr_prf.c:1116
[ 88.3909824] lockdebug_abort1() at netbsd:lockdebug_abort1+0x191 lockdebug_abort1 sys/kern/subr_lockdebug.c:814 [inline]
[ 88.3909824] lockdebug_abort1() at netbsd:lockdebug_abort1+0x191 sys/kern/subr_lockdebug.c:796
[ 88.4909856] lockdebug_wantlock() at netbsd:lockdebug_wantlock+0x457 sys/kern/subr_lockdebug.c:489
[ 88.5909832] rw_enter() at netbsd:rw_enter+0x887 sys/kern/kern_rwlock.c:300
[ 88.6909847] genfs_lock() at netbsd:genfs_lock+0x220 sys/miscfs/genfs/genfs_vnops.c:397
[ 88.7909826] VOP_LOCK() at netbsd:VOP_LOCK+0x22a sys/kern/vnode_if.c:1632
[ 88.8809845] vn_lock() at netbsd:vn_lock+0x2ae sys/kern/vfs_vnops.c:1388
[ 88.9809852] union_lookup() at netbsd:union_lookup+0x2e8 sys/fs/union/union_vnops.c:403
[ 89.0809835] VOP_LOOKUP() at netbsd:VOP_LOOKUP+0x131 sys/kern/vnode_if.c:443
[ 89.1809843] lookup_once() at netbsd:lookup_once+0x5ad sys/kern/vfs_lookup.c:1150
[ 89.2909851] namei_tryemulroot() at netbsd:namei_tryemulroot+0x1fba namei_oneroot sys/kern/vfs_lookup.c:1546 [inline]
[ 89.2909851] namei_tryemulroot() at netbsd:namei_tryemulroot+0x1fba sys/kern/vfs_lookup.c:1906
[ 89.3909830] namei() at netbsd:namei+0x2e sys/kern/vfs_lookup.c:1942
[ 89.5009833] do_sys_unlinkat() at netbsd:do_sys_unlinkat+0x2d8 fd_nameiat sys/kern/vfs_syscalls.c:245 [inline]
[ 89.5009833] do_sys_unlinkat() at netbsd:do_sys_unlinkat+0x2d8 sys/kern/vfs_syscalls.c:2857
[ 89.6009848] sys___syscall() at netbsd:sys___syscall+0x1e4 sy_call sys/sys/syscallvar.h:65 [inline]
[ 89.6009848] sys___syscall() at netbsd:sys___syscall+0x1e4 sys/kern/sys_syscall.c:90
[ 89.7009822] syscall() at netbsd:syscall+0x28b sy_call sys/sys/syscallvar.h:65 [inline]
[ 89.7009822] syscall() at netbsd:syscall+0x28b sy_invoke sys/sys/syscallvar.h:94 [inline]
[ 89.7009822] syscall() at netbsd:syscall+0x28b sys/arch/x86/x86/syscall.c:137
[ 89.7209840] --- syscall (number 10 via SYS_syscall) ---
[ 89.7509884] netbsd:syscall+0x28b:
[ 89.7609846] cpu1: End traceback...
[ 89.7609846] fatal breakpoint trap in supervisor mode
[ 89.7609846] trap type 1 code 0 rip 0xffffffff80235475 cs 0x8 rflags 0x246 cr2 0x7729a741f000 ilevel 0 rsp 0xffff8f0248347720
[ 89.7809831] curlwp 0xfffffe856de57740 pid 3658.2781 lowest kstack 0xffff8f02483432c0
Stopped in pid 3658.2781 (syz-executor.0) at netbsd:breakpoint+0x5: leave
?
breakpoint() at netbsd:breakpoint+0x5
db_panic() at netbsd:db_panic+0xec sys/ddb/db_panic.c:71
vpanic() at netbsd:vpanic+0x2f0 sys/kern/subr_prf.c:288
panic() at netbsd:panic+0x49 sys/kern/subr_prf.c:1116
lockdebug_abort1() at netbsd:lockdebug_abort1+0x191 lockdebug_abort1 sys/kern/subr_lockdebug.c:814 [inline]
lockdebug_abort1() at netbsd:lockdebug_abort1+0x191 sys/kern/subr_lockdebug.c:796
lockdebug_wantlock() at netbsd:lockdebug_wantlock+0x457 sys/kern/subr_lockdebug.c:489
rw_enter() at netbsd:rw_enter+0x887 sys/kern/kern_rwlock.c:300
genfs_lock() at netbsd:genfs_lock+0x220 sys/miscfs/genfs/genfs_vnops.c:397
VOP_LOCK() at netbsd:VOP_LOCK+0x22a sys/kern/vnode_if.c:1632
vn_lock() at netbsd:vn_lock+0x2ae sys/kern/vfs_vnops.c:1388
union_lookup() at netbsd:union_lookup+0x2e8 sys/fs/union/union_vnops.c:403
VOP_LOOKUP() at netbsd:VOP_LOOKUP+0x131 sys/kern/vnode_if.c:443
lookup_once() at netbsd:lookup_once+0x5ad sys/kern/vfs_lookup.c:1150
namei_tryemulroot() at netbsd:namei_tryemulroot+0x1fba namei_oneroot sys/kern/vfs_lookup.c:1546 [inline]
namei_tryemulroot() at netbsd:namei_tryemulroot+0x1fba sys/kern/vfs_lookup.c:1906
namei() at netbsd:namei+0x2e sys/kern/vfs_lookup.c:1942
do_sys_unlinkat() at netbsd:do_sys_unlinkat+0x2d8 fd_nameiat sys/kern/vfs_syscalls.c:245 [inline]
do_sys_unlinkat() at netbsd:do_sys_unlinkat+0x2d8 sys/kern/vfs_syscalls.c:2857
sys___syscall() at netbsd:sys___syscall+0x1e4 sy_call sys/sys/syscallvar.h:65 [inline]
sys___syscall() at netbsd:sys___syscall+0x1e4 sys/kern/sys_syscall.c:90
syscall() at netbsd:syscall+0x28b sy_call sys/sys/syscallvar.h:65 [inline]
syscall() at netbsd:syscall+0x28b sy_invoke sys/sys/syscallvar.h:94 [inline]
syscall() at netbsd:syscall+0x28b sys/arch/x86/x86/syscall.c:137
--- syscall (number 10 via SYS_syscall) ---
netbsd:syscall+0x28b:
Panic string: LOCKDEBUG: Reader / writer lock error: rw_vector_enter,300: locking against myself
PID LID S CPU FLAGS STRUCT LWP * NAME WAIT
3658 > 2781 7 1 0 fffffe856de57740 syz-executor.0
3658 3658 2 0 10000140 fffffe8568e080c0 syz-executor.0
2603 2741 2 0 0 fffffe857129d780 syz-executor.5
2603 2603 2 1 10040000 fffffe8564b72140 syz-executor.5
3272 2995 3 0 180 fffffe8563dc7b80 syz-executor.4 parked
3272 1868 2 0 0 fffffe85703a6540 syz-executor.4
3272 3272 2 0 10040000 fffffe8568e08500 syz-executor.4
1739 1739 2 0 10000000 fffffe85718ca8c0 syz-executor.2
2863 2863 2 0 140 fffffe85647a7080 syz-executor.5
3167 3167 2 1 140 fffffe856fe982c0 syz-executor.0
3245 3245 2 0 140 fffffe85647a7900 syz-executor.2
3669 3669 2 0 0 fffffe8563fb9bc0 syz-executor.3
2625 2625 2 1 140 fffffe8568e08940 syz-executor.4
2609 2609 2 1 0 fffffe856fe98b40 syz-executor.1
1230 2362 2 1 0 fffffe8565e60b00 syz-fuzzer
1230 1206 3 0 180 fffffe8563e37040 syz-fuzzer wait
1230 1200 3 1 180 fffffe85647a74c0 syz-fuzzer wait
1230 1260 3 1 180 fffffe8563c2bb40 syz-fuzzer wait
1230 1240 2 0 140 fffffe8563fb9780 syz-fuzzer
1230 978 3 1 180 fffffe8564ae1980 syz-fuzzer parked
1230 990 3 1 180 fffffe8564b729c0 syz-fuzzer wait
1230 1120 3 1 180 fffffe8565113240 syz-fuzzer wait
1230 1239 3 0 180 fffffe8565113ac0 syz-fuzzer parked
1230 1223 3 1 180 fffffe856369f200 syz-fuzzer parked
1230 1242 3 0 180 fffffe8565627640 syz-fuzzer parked
1230 1229 3 1 180 fffffe856541d600 syz-fuzzer wait
1230 1235 2 1 0 fffffe8564ae1540 syz-fuzzer
1230 1230 3 0 180 fffffe8565e60280 syz-fuzzer parked
1080 1080 3 0 180 fffffe856541da40 sshd select
1222 1222 3 0 180 fffffe8564c065c0 getty nanoslp
1151 1151 3 1 180 fffffe856541d1c0 getty nanoslp
1225 1225 3 1 180 fffffe85639a56c0 getty nanoslp
1184 1184 3 0 180 fffffe85639a5280 getty ttyraw
830 830 3 0 180 fffffe8565627200 sshd select
1088 1088 3 0 180 fffffe8565627a80 powerd kqueue
700 700 3 0 180 fffffe8563fb9340 syslogd kqueue
746 746 3 0 180 fffffe8563e37480 dhcpcd poll
745 745 3 1 180 fffffe8563e378c0 dhcpcd poll
546 546 3 0 180 fffffe8564ae1100 dhcpcd poll
601 601 3 0 180 fffffe8563dc7740 dhcpcd poll
487 487 3 0 180 fffffe8563c2b700 dhcpcd poll
292 292 3 0 180 fffffe8563dc7300 dhcpcd poll
485 485 3 1 180 fffffe8563c2b2c0 dhcpcd poll
1 1 3 0 180 fffffe855b495140 init wait
0 2920 5 1 200 fffffe85650f0940 (zombie)
0 2117 3 1 200 fffffe8565e606c0 acctwatch actwat
0 2383 3 0 200 fffffe856de57300 poolthread pooljob
0 1628 3 0 200 fffffe856de57b80 ktrace ktrwait
0 1454 3 0 200 fffffe85636b4ac0 ktrace ktrwait
0 673 3 0 200 fffffe856369f640 physiod physiod
0 196 3 0 200 fffffe85636b4680 pooldrain pooldrain
0 > 195 7 0 240 fffffe85636b4240 ioflush
0 194 3 1 200 fffffe856369fa80 pgdaemon pgdaemon
0 170 3 0 200 fffffe85615bea40 usb7 usbevt
0 169 3 0 200 fffffe85615be600 usb6 usbevt
0 168 3 1 200 fffffe85615be1c0 usb5 usbevt
0 167 3 0 200 fffffe855e559a00 usb4 usbevt
0 166 3 0 200 fffffe855e5595c0 usb3 usbevt
0 165 3 0 200 fffffe855e559180 usb2 usbevt
0 31 3 0 200 fffffe855b4959c0 usb1 usbevt
0 63 3 1 200 fffffe855b2ff740 usb0 usbevt
0 126 3 1 200 fffffe855b2ffb80 usbtask-dr usbtsk
0 125 3 1 200 fffffe855b3de340 usbtask-hc usbtsk
0 124 3 0 200 fffffe8559895b00 swwreboot swwreboot
0 123 3 0 200 fffffe855b495580 npfgc0 npfgcw
0 122 3 1 200 fffffe855b46a980 rt_free rt_free
0 121 3 1 200 fffffe855b46a540 unpgc unpgc
0 120 3 0 200 fffffe855b46a100 key_timehandler key_timehandler
0 119 3 1 200 fffffe855b44d940 icmp6_wqinput/1 icmp6_wqinput
0 118 3 0 200 fffffe855b44d500 icmp6_wqinput/0 icmp6_wqinput
0 117 2 1 200 fffffe855b44d0c0 nd6_timer
0 116 3 1 200 fffffe855b438900 carp6_wqinput/1 carp6_wqinput
0 115 3 0 200 fffffe855b4384c0 carp6_wqinput/0 carp6_wqinput
0 114 3 1 200 fffffe855b438080 carp_wqinput/1 carp_wqinput
0 113 3 0 200 fffffe855b41b8c0 carp_wqinput/0 carp_wqinput
0 112 3 1 200 fffffe855b41b480 icmp_wqinput/1 icmp_wqinput
0 111 3 0 200 fffffe855b41b040 icmp_wqinput/0 icmp_wqinput
0 110 3 0 200 fffffe855b3debc0 rt_timer rt_timer
0 109 3 0 200 fffffe855b3de780 vmem_rehash vmem_rehash
0 100 3 0 200 fffffe855b2ff300 entbutler entropy
0 99 3 0 200 fffffe855ad3eb40 viomb balloon
0 98 3 1 200 fffffe855ad3e700 vioif0_txrx/1 vioif0_txrx
0 97 3 0 200 fffffe855ad3e2c0 vioif0_txrx/0 vioif0_txrx
0 30 3 1 200 fffffe85598956c0 scsibus0 sccomp
0 29 3 0 200 fffffe8559895280 pms0 pmsreset
0 28 3 1 200 fffffe85597b5ac0 xcall/1 xcall
0 27 1 1 200 fffffe85597b5680 softser/1
0 26 1 1 200 fffffe85597b5240 softclk/1
0 25 1 1 200 fffffe8559798a80 softbio/1
0 24 1 1 200 fffffe8559798640 softnet/1
0 23 1 1 201 fffffe8559798200 idle/1
0 22 3 0 200 fffffe8687b33a40 lnxsyswq lnxsyswq
0 21 3 0 200 fffffe8687b33600 lnxubdwq lnxubdwq
0 20 3 0 200 fffffe8687b331c0 lnxpwrwq lnxpwrwq
0 19 3 1 200 fffffe8687b42a00 lnxlngwq lnxlngwq
0 18 3 1 200 fffffe8687b425c0 lnxhipwq lnxhipwq
0 17 3 1 200 fffffe8687b42180 lnxrcugc lnxrcugc
0 16 3 0 200 fffffe8687b599c0 sysmon smtaskq
0 15 3 1 200 fffffe8687b59580 pmfsuspend pmfsuspend
0 14 3 0 200 fffffe8687b59140 pmfevent pmfevent
0 13 3 0 200 fffffe8687b6c980 sopendfree sopendfr
0 12 3 1 200 fffffe8687b6c540 ifwdog ifwdog
0 11 3 0 200 fffffe8687b6c100 iflnkst iflnkst
0 10 3 1 200 fffffe8688b97940 nfssilly nfssilly
0 9 3 1 200 fffffe8688b97500 pooldisp pooldisp
0 8 3 1 200 fffffe8688b970c0 modunload mod_unld
0 7 3 0 200 fffffe8688bc2900 xcall/0 xcall
0 6 1 0 200 fffffe8688bc24c0 softser/0
0 5 1 0 200 fffffe8688bc2080 softclk/0
0 4 1 0 200 fffffe8688bed8c0 softbio/0
0 3 1 0 200 fffffe8688bed480 softnet/0
0 2 1 0 201 fffffe8688bed040 idle/0
0 0 2 1 240 ffffffff86793c80 swapper
[Locks tracked through LWPs]

****** LWP 3658.2781 (syz-executor.0) @ 0xfffffe856de57740, l_stat=7

*** Locks held:

* Lock 0 (initialized at netbsd:vcache_alloc+0xbf sys/kern/vfs_vnode.c:1438)
lock address : fffffe856f177700
type : sleep/adaptive
initialized : netbsd:vcache_alloc+0xbf
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 1
relevant cpu : 1 last held: 1
relevant lwp : 0xfffffe856de57740 last held: 0xfffffe856de57740
last locked* : netbsd:genfs_lock+0x220
unlocked : netbsd:genfs_unlock+0x50
owner/count : 0xfffffe856de57740 flags : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 3669.3669 (syz-executor.3) @ 0xfffffe8563fb9bc0, l_stat=2

*** Locks held:

* Lock 0 (initialized at netbsd:kcov_open+0x52 sys/kern/subr_kcov.c:461)
lock address : fffffe856a830940
type : sleep/adaptive
initialized : netbsd:kcov_open+0x52
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xfffffe8563fb9bc0 last held: 0xfffffe8563fb9bc0
last locked* : netbsd:kcov_fops_ioctl+0x5c
unlocked : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 2609.2609 (syz-executor.1) @ 0xfffffe856fe98b40, l_stat=2

*** Locks held:

* Lock 0 (initialized at netbsd:fork1+0x4c5 sys/kern/kern_fork.c:366)
lock address : fffffe85654a6710
type : sleep/adaptive
initialized : netbsd:fork1+0x4c5
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xfffffe856fe98b40 last held: 0xfffffe856fe98b40
last locked* : netbsd:exit1+0x393
unlocked : netbsd:execve_runproc+0x2c3b
owner/count : 0xfffffe856fe98b40 flags : 0x0000000000000004
Turnstile: no active turnstile for this lock.

* Lock 1 (initialized at netbsd:uvm_obj_init+0xee sys/uvm/uvm_object.c:70)
lock address : fffffe856d574b80
type : sleep/adaptive
initialized : netbsd:uvm_obj_init+0xee
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xfffffe856fe98b40 last held: 0xfffffe856fe98b40
last locked* : netbsd:uao_detach+0x2c5
unlocked : netbsd:uvm_unmap_remove+0xbf3
owner/count : 0xfffffe856fe98b40 flags : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 745.745 (dhcpcd) @ 0xfffffe8563e378c0, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x1c sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x1c
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xfffffe8563e378c0 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 546.546 (dhcpcd) @ 0xfffffe8564ae1100, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x1c sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x1c
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xfffffe8564ae1100 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 292.292 (dhcpcd) @ 0xfffffe8563dc7300, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x1c sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x1c
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xfffffe8563dc7300 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 485.485 (dhcpcd) @ 0xfffffe8563c2b2c0, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x1c sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x1c
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xfffffe8563c2b2c0 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 0.11 (iflnkst) @ 0xfffffe8687b6c100, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x1c sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x1c
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xfffffe8687b6c100 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 0.5 (softclk/0) @ 0xfffffe8688bc2080, l_stat=1

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x1c sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x1c
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xfffffe8688bc2080 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 0.0 (swapper) @ 0xffffffff86793c80, l_stat=2

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x1c sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x1c
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xffffffff86793c80 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

[Locks tracked through CPUs]

******* Locks held on cpu0:

* Lock 0 (initialized at netbsd:cpu_svs_init+0x17a cpu_index sys/sys/cpu.h:109 [inline])
* Lock 0 (initialized at netbsd:cpu_svs_init+0x17a sys/arch/x86/x86/svs.c:549)
lock address : netbsd:cpu_info_primary+0xb20
type : spin
initialized : netbsd:cpu_svs_init+0x17a
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xfffffe85636b4240 last held: 0xfffffe8568e080c0
last locked* : netbsd:svs_pdir_switch+0x111
unlocked : netbsd:svs_pdir_switch+0x16d
owner field : 0x0000000000000600 wait/spin: 0/1

PAGE FLAG PQ UOBJECT UANON
0xffff8f0000007180 0045 00000000 0x0 0x0
0xffff8f0000007200 0045 00000000 0x0 0x0
0xffff8f0000007280 0045 00000000 0x0 0x0
0xffff8f0000007300 0045 00000000 0x0 0x0
0xffff8f0000007380 0045 00000000 0x0 0x0
0xffff8f0000007400 0045 00000000 0x0 0x0
0xffff8f0000007480 0045 00000000 0x0 0x0
0xffff8f0000007500 0045 00000000 0x0 0x0
0xffff8f0000007580 0045 00000000 0x0 0x0
0xffff8f0000007600 0045 00000000 0x0 0x0
0xffff8f0000007680 0041 00000000 0x0 0x0
0xffff8f0000007700 0041 00000000 0x0 0x0
0xffff8f0000007780 0041 00000000 0x0 0x0
0xffff8f0000007800 0041 00000000 0x0 0x0
0xffff8f0000007880 0041 00000000 0x0 0x0
0xffff8f0000007900 0045 00000000 0x0 0x0
0xffff8f0000007980 0041 00000000 0x0 0x0
0xffff8f0000007a00 0041 00000000 0x0 0x0
0xffff8f0000007a80 0041 00000000 0x0 0x0
0xffff8f0000007b00 0041 00000000 0x0 0x0
0xffff8f0000007b80 0041 00000000 0x0 0x0
0xffff8f0000007c00 0041 00000000 0x0 0x0
0xffff8f0000007c80 0041 00000000 0x0 0x0
0xffff8f0000007d00 0041 00000000 0x0 0x0
0xffff8f0000007d80 0041 00000000 0x0 0x0
0xffff8f0000007e00 0041 00000000 0x0 0x0
0xffff8f0000007e80 0041 00000000 0x0 0x0
0xffff8f0000007f00 0041 00000000 0x0 0x0
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0xffff8f0000015f80 0001 00000000 0x0 0x0
0xffff8f0000016000 0001 00000000 0x0 0x0
0xffff8f0000016080 0001 00000000 0x0 0x0
0xffff8f0000016100 0001 00000000 0x0 0x0
0xffff8f0000016180 0001 00000000 0x0 0x0
0xffff8f0000016200 0001 00000000 0x0 0x0
0xffff8f0000016280 0001 00000000 0x0 0x0
0xffff8f0000016300 0001 00000000 0x0 0x0
0xffff8f0000016380 0001 00000000 0x0 0x0
0xffff8f0000016400 0001 00000000 0x0 0x0
0xffff8f0000016480 0001 00000000 0x0 0x0
0xffff8f0000016500 0001 00000000 0x0 0x0
0xffff8f0000016580 0001 00000000 0x0 0x0
0xffff8f0000016600 0001 00000000 0x0 0x0
0xffff8f0000016680 0001 00000000 0x0 0x0
0xffff8f0000016700 0001 00000000 0x0 0x0
0xffff8f0000016780 0001 00000000 0x0 0x0
0xffff8f0000016800 0001 00000000 0x0 0x0
0xffff8f0000016880 0001 00000000 0x0 0x0
0xffff8f0000016900 0001 00000000 0x0 0x0
0xffff8f0000016980 0001 00000000 0x0 0x0
0xffff8f0000016a00 0001 00000000 0x0 0x0
0xffff8f0000016a80 0001 00000000 0x0 0x0
0xffff8f0000016b00 0001 00000000 0x0 0x0
0xffff8f0000016b80 0001 00000000 0x0 0x0
0xffff8f0000016c00 0001 00000000 0x0 0x0
0xffff8f0000016c80 0001 00000000 0x0 0x0
0xffff8f0000016d00 0001 00000000 0x0 0x0
0xffff8f0000016d80 0001 00000000 0x0 0x0
0xffff8f0000016e00 0001 00000000 0x0 0x0
0xffff8f0000016e80 0001 00000000 0x0 0x0
0xffff8f0000016f00 0001 00000000 0x0 0x0
0xffff8f0000016f80 0001 00000000 0x0 0x0
0xffff8f0000017000 0001 00000000 0x0 0x0
0xffff8f0000017080 0001 00000000 0x0 0x0
0xffff8f0000017100 0001 00000000 0x0 0x0
0xffff8f0000017180 0001 00000000 0x0 0x0
0xffff8f0000017200 0001 00000000 0x0 0x0
0xffff8f0000017280 0001 00000000 0x0 0x0
0xffff8f0000017300 0001 00000000 0x0 0x0
0xffff8f0000017380 0001 00000000 0x0 0x0
0xffff8f0000017400 0001 00000000 0x0 0x0
0xffff8f0000017480 0041 00000000 0x0 0x0
0xffff8f0000017500 0041 00000000 0x0 0x0
0xffff8f0000017580 0041 00000000 0x0 0x0
0xffff8f0000017600 0041 00000000 0x0 0x0
0xffff8f0000017680 0041 00000000 0x0 0x0
0xffff8f0000017700 0041 00000000 0x0 0x0
0xffff8f0000017780 0041 00000000 0x0 0x0
0xffff8f0000017800 0041 00000000 0x0 0x0
0xffff8f0000017880 0041 00000000 0x0 0x0
0xffff8f0000017900 0041 00000000 0x0 0x0
0xffff8f0000017980 0041 00000000 0x0 0x0
0xffff8f0000017a00 0041 00000000 0x0 0x0
0xffff8f0000017a80 0041 00000000 0x0 0x0
0xffff8f0000017b00 0041 00000000 0x0 0x0
0xffff8f0000017b80 0041 00000000 0x0 0x0
0xffff8f0000017c00 0041 00000000 0x0 0x0
0xffff8f0000017c80 0041 00000000 0x0 0x0
0xffff8f0000017d00 0041 00000000 0x0 0x0
0xffff8f0000017d80 0041 00000000 0x0 0x0
0xffff8f0000017e00 0041 00000000 0x0 0x0
0xffff8f0000017e80 0041 00000000 0x0 0x0
0xffff8f0000017f00 0041 00000000 0x0 0x0
0xffff8f0000017f80 0041 00000000 0x0 0x0
0xffff8f0000018000 0041 00000000 0x0 0x0
0xffff8f0000018080 0041 00000000 0x0 0x0
0xffff8f0000018100 0041 00000000 0x0 0x0
0xffff8f0000018180 0041 00000000 0x0 0x0
0xffff8f0000018200 0041 00000000 0x0 0x0
0xffff8f0000018280 0041 00000000 0x0 0x0
0xffff8f0000018300 0041 00000000 0x0 0x0
0xffff8f0000018380 0041 00000000 0x0 0x0
0xffff8f0000018400 0041 00000000 0x0 0x0
0xffff8f0000018480 0041 00000000 0x0 0x0
0xffff8f0000018500 0041 00000000 0x0 0x0
0xffff8f0000018580 0041 00000000 0x0 0x0
0xffff8f0000018600 0041 00000000 0x0 0x0
0xffff8f0000018680 0041 00000000 0x0 0x0
0xffff8f0000018700 0041 00000000 0x0 0x0
0xffff8f0000018780 0041 00000000 0x0 0x0
0xffff8f0000018800 0041 00000000 0x0 0x0
0xffff8f0000018880 0041 00000000 0x0 0x0
0xffff8f0000018900 0041 00000000 0x0 0x0
0xffff8f0000018980 0041 00000000 0x0 0x0
0xffff8f0000018a00 0041 00000000 0x0 0x0
0xffff8f0000018a80 0041 00000000 0x0 0x0
0xffff8f0000018b00 0001 00000000 0x0 0x0
0xffff8f0000018b80 0001 00000000 0x0 0x0
0xffff8f0000018c00 0001 00000000 0x0 0x0
0xffff8f0000018c80 0001 00000000 0x0 0x0
0xffff8f0000018d00 0001 00000000 0x0 0x0
0xffff8f0000018d80 0001 00000000 0x0 0x0
0xffff8f0000018e00 0001 00000000 0x0 0x0
0xffff8f0000018e80 0001 00000000 0x0 0x0
0xffff8f0000018f00 0001 00000000 0x0 0x0
0xffff8f0000018f80 0001 00000000 0x0 0x0
0xffff8f0000019000 0001 00000000 0x0 0x0
0xffff8f0000019080 0001 00000000 0x0 0x0
0xffff8f0000019100 0001 00000000 0x0 0x0
0xffff8f0000019180 0001 00000000 0x0 0x0
0xffff8f0000019200 0001 00000000 0x0 0x0
0xffff8f0000019280 0001 00000000 0x0 0x0
0xffff8f0000019300 0001 00000000 0x0 0x0
0xffff8f0000019380 0001 00000000 0x0 0x0
0xffff8f0000019400 0001 00000000 0x0 0x0
0xffff8f0000019480 0001 00000000 0x0 0x0
0xffff8f0000019500 0001 00000000 0x0 0x0
0xffff8f0000019580 0001 00000000 0x0 0x0
0xffff8f0000019600 0001 00000000 0x0 0x0
0xffff8f0000019680 0001 00000000 0x0 0x0
0xffff8f0000019700 0001 00000000 0x0 0x0
0xffff8f0000019780 0001 00000000 0x0 0x0
0xffff8f0000019800 0001 00000000 0x0 0x0
0xffff8f0000019880 0001 00000000 0x0 0x0
0xffff8f0000019900 0001 00000000 0x0 0x0
0xffff8f0000019980 0001 00000000 0x0 0x0
0xffff8f0000019a00 0001 00000000 0x0 0x0
0xffff8f0000019a80 0001 00000000 0x0 0x0
0xffff8f0000019b00 0001 00000000 0x0 0x0
0xffff8f0000019b80 0001 00000000 0x0 0x0
0xffff8f0000019c00 0001 00000000 0x0 0x0
0xffff8f0000019c80 0001 00000000 0x0 0x0
0xffff8f0000019d00 0001 00000000 0x0 0x0
0xffff8f0000019d80 0001 00000000 0x0 0x0
0xffff8f0000019e00 0001 00000000 0x0 0x0
0xffff8f0000019e80 0001 00000000 0x0 0x0
0xffff8f0000019f00 0001 00000000 0x0 0x0
0xffff8f0000019f80 0001 00000000 0x0 0x0
0xffff8f000001a000 0001 00000000 0x0 0x0
0xffff8f000001a080 0001 00000000 0x0 0x0
0xffff8f000001a100 0001 00000000 0x0 0x0
0xffff8f000001a180 0001 00000000 0x0 0x0
0xffff8f000001a200 0001 00000000 0x0 0x0
0xffff8f000001a280 0001 00000000

---
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