panic: kernel diagnostic assertion "vrefcnt(vp) > NUM" failed: file "/sy

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syzbot

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May 18, 2024, 10:51:32 PMMay 18
to syzkaller-...@googlegroups.com
Hello,

syzbot found the following issue on:

HEAD commit: 3c6141f6f36b include all extra flavors of the kernel and u..
git tree: netbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=11f342b2980000
kernel config: https://syzkaller.appspot.com/x/.config?x=1420f906d33d9f1f
dashboard link: https://syzkaller.appspot.com/bug?extid=d0050e645e5eaff7607e
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/a831ba812a5b/disk-3c6141f6.raw.xz
netbsd.gdb: https://storage.googleapis.com/syzbot-assets/553a79a1fdad/netbsd-3c6141f6.gdb.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+d0050e...@syzkaller.appspotmail.com

[ 214.1834685] panic: kernel di agnostic assertion "vrefcnt(vp) > 0 " failed: file "/s yz kaller/managers/c i2-netbs d - kubsan/ke r nel/sys / kern/vfs_vnops .c", line 1373
[ 214. 2134487] c pu 1: Begin traceback...
[ 214.2534487] vpanic() at netbsd:vpanic+0x2f0 sys/kern/subr_prf.c:288
[ 214.3934483] kern_assert() at netbsd:kern_assert+0x65 sys/arch/amd64/amd64/db_disasm.c:1074
[ 214.5134479] vn_lock() at netbsd:vn_lock+0x528 sys/kern/vfs_vnops.c:1373
[ 214.6034499] spec_write() at netbsd:spec_write+0x22d sys/miscfs/specfs/spec_vnops.c:1228
[ 214.7034476] umap_bypass() at netbsd:umap_bypass+0x8e7 sys/miscfs/umapfs/umap_vnops.c:249
[ 214.8034475] VOP_WRITE() at netbsd:VOP_WRITE+0x492 sys/kern/vnode_if.c:824
[ 214.9134475] vn_write() at netbsd:vn_write+0x309 sys/kern/vfs_vnops.c:717
[ 215.0134482] do_filewritev.part.0() at netbsd:do_filewritev.part.0+0x56d
[ 215.1134472] do_filewritev() at netbsd:do_filewritev+0x53 sys/kern/sys_generic.c:399
[ 215.2134471] sys_pwritev() at netbsd:sys_pwritev+0x54 sys/kern/vfs_syscalls.c:3093
[ 215.3134477] sys___syscall() at netbsd:sys___syscall+0x1e4 sy_call sys/sys/syscallvar.h:65 [inline]
[ 215.3134477] sys___syscall() at netbsd:sys___syscall+0x1e4 sys/kern/sys_syscall.c:90
[ 215.4134485] syscall() at netbsd:syscall+0x28b sy_call sys/sys/syscallvar.h:65 [inline]
[ 215.4134485] syscall() at netbsd:syscall+0x28b sy_invoke sys/sys/syscallvar.h:94 [inline]
[ 215.4134485] syscall() at netbsd:syscall+0x28b sys/arch/x86/x86/syscall.c:137
[ 215.4334485] --- syscall (number 290 via SYS_syscall) ---
[ 215.4634475] netbsd:syscall+0x28b:
[ 215.4634475] cpu1: End traceback...
[ 215.4734477] fatal breakpoint trap in supervisor mode
[ 215.4734477] trap type 1 code 0 rip 0xffffffff80235475 cs 0x8 rflags 0x246 cr2 0x75b4ff840000 ilevel 0 rsp 0xffff9d8248a0c9a0
[ 215.4834472] curlwp 0xffffeb804e498780 pid 3139.3053 lowest kstack 0xffff9d8248a082c0
Stopped in pid 3139.3053 (syz-executor.1) 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
kern_assert() at netbsd:kern_assert+0x65 sys/arch/amd64/amd64/db_disasm.c:1074
vn_lock() at netbsd:vn_lock+0x528 sys/kern/vfs_vnops.c:1373
spec_write() at netbsd:spec_write+0x22d sys/miscfs/specfs/spec_vnops.c:1228
umap_bypass() at netbsd:umap_bypass+0x8e7 sys/miscfs/umapfs/umap_vnops.c:249
VOP_WRITE() at netbsd:VOP_WRITE+0x492 sys/kern/vnode_if.c:824
vn_write() at netbsd:vn_write+0x309 sys/kern/vfs_vnops.c:717
do_filewritev.part.0() at netbsd:do_filewritev.part.0+0x56d
do_filewritev() at netbsd:do_filewritev+0x53 sys/kern/sys_generic.c:399
sys_pwritev() at netbsd:sys_pwritev+0x54 sys/kern/vfs_syscalls.c:3093
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 290 via SYS_syscall) ---
netbsd:syscall+0x28b:
Panic string: kernel diagnostic assertion "vrefcnt(vp) > 0" failed: file "/syzkaller/managers/ci2-netbsd-kubsan/kernel/sys/kern/vfs_vnops.c", line 1373
PID LID S CPU FLAGS STRUCT LWP * NAME WAIT
3054 3054 2 1 0 ffffeb803ab2c680 syz-executor.3
5565 5565 2 1 40000 ffffeb8030ac9540 syz-executor.0
4183 5292 2 1 0 ffffeb804a96bb00 syz-executor.5
4183 4183 2 1 10040000 ffffeb804ca86b40 syz-executor.5
4396 4396 3 0 180 ffffeb802cbc5100 syz-executor.2 parked
4023 4023 3 0 40180 ffffeb802bf1f340 syz-executor.3 wait
3139 > 3053 7 1 4100100 ffffeb804e498780 syz-executor.1
3139 3139 2 0 10040040 ffffeb804a96b6c0 syz-executor.1
2715 2715 3 0 0 ffffeb8039853bc0 syz-executor.4 vm_map
3896 > 3896 7 0 140 ffffeb803ab2c240 syz-executor.1
3503 3503 3 1 180 ffffeb8039853780 syz-executor.5 parked
4188 4188 2 1 140 ffffeb803924e580 syz-executor.5
3665 3665 3 0 180 ffffeb803ab2cac0 syz-executor.4 parked
2597 2597 3 1 180 ffffeb802d796640 syz-executor.1 parked
2460 2460 3 0 180 ffffeb803695f600 syz-executor.0 parked
2457 2457 3 0 180 ffffeb802cd29940 syz-executor.4 parked
2344 4401 3 0 11100000 ffffeb803924e9c0 syz-executor.4 vfork
2344 2344 2 0 11000040 ffffeb8039d39740 syz-executor.4
3948 3948 3 1 180 ffffeb8037546900 syz-executor.3 parked
2190 2190 3 0 180 ffffeb8038864180 syz-executor.5 parked
1786 1786 3 1 180 ffffeb8030ac9980 syz-executor.2 parked
1682 1682 3 1 180 ffffeb802bebd9c0 syz-executor.1 parked
1928 1929 3 1 11100000 ffffeb802c025a00 syz-executor.2 vfork
1928 1928 2 0 11000040 ffffeb80388645c0 syz-executor.2
2648 2648 3 0 180 ffffeb8031c12500 syz-executor.2 parked
3175 3175 3 0 180 ffffeb8031c12940 syz-executor.3 parked
2280 2280 3 0 180 ffffeb8039853340 syz-executor.3 parked
2890 2890 3 1 180 ffffeb803aecf200 syz-executor.2 parked
755 755 3 0 180 ffffeb802bebd140 syz-executor.1 parked
2141 2141 3 1 180 ffffeb802b89cac0 getty ttyraw
1083 669 3 1 180 ffffeb803695f1c0 syz-fuzzer wait
1083 1369 3 0 180 ffffeb802d796200 syz-fuzzer wait
1083 1206 3 1 180 ffffeb802cbc5980 syz-fuzzer parked
1083 1208 2 1 140 ffffeb802c18d8c0 syz-fuzzer
1083 1384 2 1 140 ffffeb802cbc5540 syz-fuzzer
1083 1204 3 1 180 ffffeb802c448740 syz-fuzzer parked
1083 974 3 1 180 ffffeb802c025180 syz-fuzzer wait
1083 1239 3 1 180 ffffeb802d7b7b00 syz-fuzzer wait
1083 1130 3 0 180 ffffeb802cf272c0 syz-fuzzer parked
1083 1120 3 0 180 ffffeb802d7b7280 syz-fuzzer parked
1083 941 3 1 180 ffffeb802e040240 syz-fuzzer parked
1083 1233 3 1 180 ffffeb802d78da40 syz-fuzzer wait
1083 1238 2 1 140 ffffeb802bb94280 syz-fuzzer
1083 1083 3 0 180 ffffeb802c18d480 syz-fuzzer parked
1235 1235 3 0 180 ffffeb802bd5b2c0 sshd select
1222 1222 3 0 180 ffffeb802e040680 getty nanoslp
1224 1224 3 1 180 ffffeb802bb94b00 getty nanoslp
1225 1225 3 0 180 ffffeb802b8bf200 getty nanoslp
1103 1103 3 0 180 ffffeb802e040ac0 sshd select
1095 1095 3 0 180 ffffeb802cf27700 powerd kqueue
700 700 3 1 180 ffffeb802bf1fbc0 syslogd kqueue
559 559 3 0 180 ffffeb802bd5bb40 dhcpcd poll
558 558 3 1 180 ffffeb802bf1f780 dhcpcd poll
742 742 3 1 180 ffffeb802bd5b700 dhcpcd poll
602 602 3 1 180 ffffeb802c18d040 dhcpcd poll
292 292 3 0 180 ffffeb802bb946c0 dhcpcd poll
485 485 3 1 180 ffffeb802c448300 dhcpcd poll
291 291 3 1 180 ffffeb802c448b80 dhcpcd poll
1 1 3 0 180 ffffeb8023695140 init wait
0 3923 5 0 200 ffffeb8030ac9100 (zombie)
0 3275 3 0 200 ffffeb8039d39300 ktrace ktrwait
0 734 3 0 200 ffffeb802b8bf640 physiod physiod
0 196 3 0 200 ffffeb802b89c680 pooldrain pooldrain
0 195 3 0 200 ffffeb802b89c240 ioflush syncer
0 194 3 1 200 ffffeb802b8bfa80 pgdaemon pgdaemon
0 170 3 0 200 ffffeb80297cea40 usb7 usbevt
0 169 3 0 200 ffffeb80297ce600 usb6 usbevt
0 168 3 1 200 ffffeb80297ce1c0 usb5 usbevt
0 167 3 1 200 ffffeb8026759a00 usb4 usbevt
0 166 3 0 200 ffffeb80267595c0 usb3 usbevt
0 165 3 1 200 ffffeb8026759180 usb2 usbevt
0 31 3 0 200 ffffeb80236959c0 usb1 usbevt
0 63 3 1 200 ffffeb80234ff740 usb0 usbevt
0 126 3 1 200 ffffeb80234ffb80 usbtask-dr usbtsk
0 125 3 1 200 ffffeb80235de340 usbtask-hc usbtsk
0 124 3 0 200 ffffeb8021a95b00 swwreboot swwreboot
0 123 3 0 200 ffffeb8023695580 npfgc0 npfgcw
0 122 3 0 200 ffffeb802366a980 rt_free rt_free
0 121 3 1 200 ffffeb802366a540 unpgc unpgc
0 120 2 1 200 ffffeb802366a100 key_timehandler
0 119 3 1 200 ffffeb802364d940 icmp6_wqinput/1 icmp6_wqinput
0 118 3 0 200 ffffeb802364d500 icmp6_wqinput/0 icmp6_wqinput
0 117 3 0 200 ffffeb802364d0c0 nd6_timer nd6_timer
0 116 3 1 200 ffffeb8023638900 carp6_wqinput/1 carp6_wqinput
0 115 3 0 200 ffffeb80236384c0 carp6_wqinput/0 carp6_wqinput
0 114 3 1 200 ffffeb8023638080 carp_wqinput/1 carp_wqinput
0 113 3 0 200 ffffeb80236138c0 carp_wqinput/0 carp_wqinput
0 112 3 1 200 ffffeb8023613480 icmp_wqinput/1 icmp_wqinput
0 111 3 0 200 ffffeb8023613040 icmp_wqinput/0 icmp_wqinput
0 110 3 0 200 ffffeb80235debc0 rt_timer rt_timer
0 109 3 1 200 ffffeb80235de780 vmem_rehash vmem_rehash
0 100 3 0 200 ffffeb80234ff300 entbutler entropy
0 99 3 0 200 ffffeb8022f3eb40 viomb balloon
0 98 3 1 200 ffffeb8022f3e700 vioif0_txrx/1 vioif0_txrx
0 97 3 0 200 ffffeb8022f3e2c0 vioif0_txrx/0 vioif0_txrx
0 30 3 0 200 ffffeb8021a956c0 scsibus0 sccomp
0 29 3 1 200 ffffeb8021a95280 pms0 pmsreset
0 28 3 1 200 ffffeb80219b5ac0 xcall/1 xcall
0 27 1 1 200 ffffeb80219b5680 softser/1
0 26 1 1 200 ffffeb80219b5240 softclk/1
0 25 1 1 200 ffffeb8021998a80 softbio/1
0 24 1 1 200 ffffeb8021998640 softnet/1
0 23 1 1 201 ffffeb8021998200 idle/1
0 22 3 1 200 ffffeb814fd33a40 lnxsyswq lnxsyswq
0 21 3 0 200 ffffeb814fd33600 lnxubdwq lnxubdwq
0 20 3 0 200 ffffeb814fd331c0 lnxpwrwq lnxpwrwq
0 19 3 0 200 ffffeb814fd42a00 lnxlngwq lnxlngwq
0 18 3 0 200 ffffeb814fd425c0 lnxhipwq lnxhipwq
0 17 3 0 200 ffffeb814fd42180 lnxrcugc lnxrcugc
0 16 3 0 200 ffffeb814fd599c0 sysmon smtaskq
0 15 3 1 200 ffffeb814fd59580 pmfsuspend pmfsuspend
0 14 3 0 200 ffffeb814fd59140 pmfevent pmfevent
0 13 3 0 200 ffffeb814fd6c980 sopendfree sopendfr
0 12 3 0 200 ffffeb814fd6c540 ifwdog ifwdog
0 11 3 0 200 ffffeb814fd6c100 iflnkst iflnkst
0 10 3 1 200 ffffeb8150d97940 nfssilly nfssilly
0 9 3 1 200 ffffeb8150d97500 pooldisp pooldisp
0 8 3 1 200 ffffeb8150d970c0 modunload mod_unld
0 7 3 0 200 ffffeb8150dc2900 xcall/0 xcall
0 > 6 7 0 200 ffffeb8150dc24c0 softser/0
0 > 5 7 0 200 ffffeb8150dc2080 softclk/0
0 4 1 0 200 ffffeb8150ded8c0 softbio/0
0 3 1 0 200 ffffeb8150ded480 softnet/0
0 2 1 0 201 ffffeb8150ded040 idle/0
0 0 3 0 200 ffffffff867959c0 swapper uvm
[Locks tracked through LWPs]

****** LWP 3054.3054 (syz-executor.3) @ 0xffffeb803ab2c680, l_stat=2

*** Locks held:

* Lock 0 (initialized at netbsd:fork1+0x4c5 sys/kern/kern_fork.c:366)
lock address : ffffeb802cbcf6d0
type : sleep/adaptive
initialized : netbsd:fork1+0x4c5
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xffffeb803ab2c680 last held: 0xffffeb803ab2c680
last locked* : netbsd:execve_loadvm+0x22d
unlocked : 0
owner/count : 0xffffeb803ab2c680 flags : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 5565.5565 (syz-executor.0) @ 0xffffeb8030ac9540, l_stat=2

*** Locks held:

* Lock 0 (initialized at netbsd:kcov_open+0x52 sys/kern/subr_kcov.c:461)
lock address : ffffeb804ce02280
type : sleep/adaptive
initialized : netbsd:kcov_open+0x52
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xffffeb8030ac9540 last held: 0xffffeb8030ac9540
last locked* : netbsd:kcov_fops_ioctl+0x5c
unlocked : 0
owner field : 0xffffeb8030ac9540 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

* Lock 1 (initialized at netbsd:uvm_obj_init+0xee sys/uvm/uvm_object.c:70)
lock address : ffffeb804cab5e80
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 : 0xffffeb8030ac9540 last held: 0xffffeb8030ac9540
last locked* : netbsd:uvm_fault_internal+0x2453
unlocked : netbsd:uvm_fault_lower_enter+0x840
owner/count : 0xffffeb8030ac9540 flags : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 2715.2715 (syz-executor.4) @ 0xffffeb8039853bc0, l_stat=3

*** Locks held:

* Lock 0 (initialized at netbsd:fork1+0x4c5 sys/kern/kern_fork.c:366)
lock address : ffffeb8033bec450
type : sleep/adaptive
initialized : netbsd:fork1+0x4c5
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xffffeb8039853bc0 last held: 0xffffeb8039853bc0
last locked* : netbsd:exit1+0x393
unlocked : netbsd:execve_runproc+0x2c3b
owner/count : 0xffffeb8039853bc0 flags : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 558.558 (dhcpcd) @ 0xffffeb802bf1f780, 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 : 0xffffeb802bf1f780 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 742.742 (dhcpcd) @ 0xffffeb802bd5b700, 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 : 0xffffeb802bd5b700 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) @ 0xffffeb802c448300, 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 : 0xffffeb802c448300 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 291.291 (dhcpcd) @ 0xffffeb802c448b80, 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 : 0xffffeb802c448b80 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 0.26 (softclk/1) @ 0xffffeb80219b5240, 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 : 1 last held: 0
relevant lwp : 0xffffeb80219b5240 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) @ 0xffffeb814fd6c100, 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 : 0xffffeb814fd6c100 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) @ 0xffffeb8150dc2080, l_stat=7

*** 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 : 0xffffeb8150dc2080 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) @ 0xffffffff867959c0, 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 : 0xffffffff867959c0 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:com_attach_subr+0x13d sys/dev/ic/com.c:565)
lock address : ffffeb8021a366e0
type : spin
initialized : netbsd:com_attach_subr+0x13d
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xffffeb8150dc24c0 last held: 0xffffeb8150ded040
last locked* : netbsd:comintr+0x106
unlocked : netbsd:comintr+0x4ff
owner field : 0x0000000000000800 wait/spin: 0/1

******* Locks held on cpu1:

* Lock 0 (initialized at netbsd:main+0x106 sys/kern/init_main.c:304)
lock address : netbsd:kernel_lock
type : spin
initialized : netbsd:main+0x106
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xffffeb804e498780 last held: 0xffffeb804e498780
last locked* : netbsd:sleepq_block+0x81d
unlocked : netbsd:softint_dispatch+0xb17
curcpu holds : 1 wanted by: 000000000000000000

* Lock 1 (initialized at netbsd:kprintf_init+0x72 sys/kern/subr_prf.c:156)
lock address : netbsd:kprintf_mtx
type : spin
initialized : netbsd:kprintf_init+0x72
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xffffeb804e498780 last held: 0xffffeb804e498780
last locked* : netbsd:kprintf_lock+0x50
unlocked : netbsd:kprintf_unlock+0x70
owner field : 0x0000000000000800 wait/spin: 0/1

PAGE FLAG PQ UOBJECT UANON
0xffff9d8000007180 0045 00000000 0x0 0x0
0xffff9d8000007200 0045 00000000 0x0 0x0
0xffff9d8000007280 0045 00000000 0x0 0x0
0xffff9d8000007300 0045 00000000 0x0 0x0
0xffff9d8000007380 0045 00000000 0x0 0x0
0xffff9d8000007400 0045 00000000 0x0 0x0
0xffff9d8000007480 0045 00000000 0x0 0x0
0xffff9d8000007500 0045 00000000 0x0 0x0
0xffff9d8000007580 0045 00000000 0x0 0x0
0xffff9d8000007600 0045 00000000 0x0 0x0
0xffff9d8000007680 0041 00000000 0x0 0x0
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0xffff9d8000014b00 0041 00000000 0x0 0x0
0xffff9d8000014b80 0041 00000000 0x0 0x0
0xffff9d8000014c00 0041 00000000 0x0 0x0
0xffff9d8000014c80 0041 00000000 0x0 0x0
0xffff9d8000014d00 0041 00000000 0x0 0x0
0xffff9d8000014d80 0041 00000000 0x0 0x0
0xffff9d8000014e00 0041 00000000 0x0 0x0
0xffff9d8000014e80 0041 00000000 0x0 0x0
0xffff9d8000014f00 0041 00000000 0x0 0x0
0xffff9d8000014f80 0041 00000000 0x0 0x0
0xffff9d8000015000 0041 00000000 0x0 0x0
0xffff9d8000015080 0041 00000000 0x0 0x0
0xffff9d8000015100 0041 00000000 0x0 0x0
0xffff9d8000015180 0041 00000000 0x0 0x0
0xffff9d8000015200 0041 00000000 0x0 0x0
0xffff9d8000015280 0041 00000000 0x0 0x0
0xffff9d8000015300 0041 00000000 0x0 0x0
0xffff9d8000015380 0041 00000000 0x0 0x0
0xffff9d8000015400 0041 00000000 0x0 0x0
0xffff9d8000015480 0041 00000000 0x0 0x0
0xffff9d8000015500 0041 00000000 0x0 0x0
0xffff9d8000015580 0041 00000000 0x0 0x0
0xffff9d8000015600 0041 00000000 0x0 0x0
0xffff9d8000015680 0041 00000000 0x0 0x0
0xffff9d8000015700 0041 00000000 0x0 0x0
0xffff9d8000015780 0041 00000000 0x0 0x0
0xffff9d8000015800 0041 00000000 0x0 0x0
0xffff9d8000015880 0041 00000000 0x0 0x0
0xffff9d8000015900 0041 00000000 0x0 0x0
0xffff9d8000015980 0001 00000000 0x0 0x0
0xffff9d8000015a00 0001 00000000 0x0 0x0
0xffff9d8000015a80 0001 00000000 0x0 0x0
0xffff9d8000015b00 0001 00000000 0x0 0x0
0xffff9d8000015b80 0001 00000000 0x0 0x0
0xffff9d8000015c00 0001 00000000 0x0 0x0
0xffff9d8000015c80 0001 00000000 0x0 0x0
0xffff9d8000015d00 0001 00000000 0x0 0x0
0xffff9d8000015d80 0001 00000000 0x0 0x0
0xffff9d8000015e00 0001 00000000 0x0 0x0
0xffff9d8000015e80 0001 00000000 0x0 0x0
0xffff9d8000015f00 0001 00000000 0x0 0x0
0xffff9d8000015f80 0001 00000000 0x0 0x0
0xffff9d8000016000 0001 00000000 0x0 0x0
0xffff9d8000016080 0001 00000000 0x0 0x0
0xffff9d8000016100 0001 00000000 0x0 0x0
0xffff9d8000016180 0001 00000000 0x0 0x0
0xffff9d8000016200 0001 00000000 0x0 0x0
0xffff9d8000016280 0001 00000000 0x0 0x0
0xffff9d8000016300 0001 00000000 0x0 0x0
0xffff9d8000016380 0001 00000000 0x0 0x0
0xffff9d8000016400 0001 00000000 0x0 0x0
0xffff9d8000016480 0001 00000000 0x0 0x0
0xffff9d8000016500 0001 00000000 0x0 0x0
0xffff9d8000016580 0001 00000000 0x0 0x0
0xffff9d8000016600 0001 00000000 0x0 0x0
0xffff9d8000016680 0001 00000000 0x0 0x0
0xffff9d8000016700 0001 00000000 0x0 0x0
0xffff9d8000016780 0001 00000000 0x0 0x0
0xffff9d8000016800 0001 00000000 0x0 0x0
0xffff9d8000016880 0001 00000000 0x0 0x0
0xffff9d8000016900 0001 00000000 0x0 0x0
0xffff9d8000016980 0001 00000000 0x0 0x0
0xffff9d8000016a00 0001 00000000 0x0 0x0
0xffff9d8000016a80 0001 00000000 0x0 0x0
0xffff9d8000016b00 0001 00000000 0x0 0x0
0xffff9d8000016b80 0001 00000000 0x0 0x0
0xffff9d8000016c00 0001 00000000 0x0 0x0
0xffff9d8000016c80 0001 00000000 0x0 0x0
0xffff9d8000016d00 0001 00000000 0x0 0x0
0xffff9d8000016d80 0001 00000000 0x0 0x0
0xffff9d8000016e00 0001 00000000 0x0 0x0
0xffff9d8000016e80 0001 00000000 0x0 0x0
0xffff9d8000016f00 0001 00000000 0x0 0x0
0xffff9d8000016f80 0001 00000000 0x0 0x0
0xffff9d8000017000 0001 00000000 0x0 0x0
0xffff9d8000017080 0001 00000000 0x0 0x0
0xffff9d8000017100 0001 00000000 0x0 0x0
0xffff9d8000017180 0001 00000000 0x0 0x0
0xffff9d8000017200 0001 00000000 0x0 0x0
0xffff9d8000017280 0001 00000000 0x0 0x0
0xffff9d8000017300 0001 00000000 0x0 0x0
0xffff9d8000017380 0001 00000000 0x0 0x0
0xffff9d8000017400 0001 00000000 0x0 0x0
0xffff9d8000017480 0041 00000000 0x0 0x0
0xffff9d8000017500 0041 00000000 0x0 0x0
0xffff9d8000017580 0041 00000000 0x0 0x0
0xffff9d8000017600 0041 00000000 0x0 0x0
0xffff9d8000017680 0041 00000000 0x0 0x0
0xffff9d8000017700 0041 00000000 0x0 0x0
0xffff9d8000017780 0041 00000000 0x0 0x0
0xffff9d8000017800 0041 00000000 0x0 0x0
0xffff9d8000017880 0041 00000000 0x0 0x0
0xffff9d8000017900 0041 00000000 0x0 0x0
0xffff9d8000017980 0041 00000000 0x0 0x0
0xffff9d8000017a00 0041 00000000 0x0 0x0
0xffff9d8000017a80 0041 00000000 0x0 0x0
0xffff9d8000017b00 0041 00000000 0x0 0x0
0xffff9d8000017b80 0041 00000000 0x0 0x0
0xffff9d8000017c00 0041 00000000 0x0 0x0
0xffff9d8000017c80 0041 00000000 0x0 0x0
0xffff9d8000017d00 0041 00000000 0x0 0x0
0xffff9d8000017d80 0041 00000000 0x0 0x0
0xffff9d8000017e00 0041 00000000 0x0 0x0
0xffff9d8000017e80 0041 00000000 0x0 0x0
0xffff9d8000017f00 0041 00000000 0x0 0x0
0xffff9d8000017f80 0041 00000000 0x0 0x0
0xffff9d8000018000 0041 00000000 0x0 0x0
0xffff9d8000018080 0041 00000000 0x0 0x0
0xffff9d8000018100 0041 00000000 0x0 0x0
0xffff9d8000018180 0041 00000000 0x0 0x0
0xffff9d8000018200 0041 00000000 0x0 0x0
0xffff9d8000018280 0041 00000000 0x0 0x0
0xffff9d8000018300 0041 00000000 0x0 0x0
0xffff9d8000018380 0041 00000000 0x0 0x0
0xffff9d8000018400 0041 00000000 0x0 0x0
0xffff9d8000018480 0041 00000000 0x0 0x0
0xffff9d8000018500 0041 00000000 0x0 0x0
0xffff9d8000018580 0041 00000000 0x0 0x0
0xffff9d8000018600 0041 00000000 0x0 0x0
0xffff9d8000018680 0041 00000000 0x0 0x0
0xffff9d8000018700 0041 00000000 0x0 0x0
0xffff9d8000018780 0041 00000000 0x0 0x0
0xffff9d8000018800 0041 00000000 0x0 0x0
0xffff9d8000018880 0041 00000000 0x0 0x0
0xffff9d8000018900 0041 00000000 0x0 0x0
0xffff9d8000018980 0041 00000000

---
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