MSan: Uninitialized Memory in kpreempt

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syzbot

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Feb 10, 2023, 11:54:50 PM2/10/23
to syzkaller-...@googlegroups.com
Hello,

syzbot found the following issue on:

HEAD commit: ae15be0ebec8 apply -g1 to the gdb build as well.
git tree: netbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1570d5c0c80000
kernel config: https://syzkaller.appspot.com/x/.config?x=739e57438eb9ed9e
dashboard link: https://syzkaller.appspot.com/bug?extid=4cea312818a30f570a27
compiler: Debian clang version 15.0.7
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=141f3aaf480000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14ef6db7480000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/76ba54a827de/disk-ae15be0e.raw.xz
netbsd.gdb: https://storage.googleapis.com/syzbot-assets/43c58bcd84d2/netbsd-ae15be0e.gdb.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+4cea31...@syzkaller.appspotmail.com

[ 69.3885024] panic: MSan: Uninitialized Variable 'flt' From uvm_fault_internal()

[ 69.3885024] cpu1: Begin traceback...
[ 69.4084945] vpanic() at netbsd:vpanic+0xc9d
[ 69.4484905] panic() at netbsd:panic+0x1b3 sys/kern/subr_prf.c:208
[ 69.4884900] __msan_warning() at netbsd:__msan_warning+0x11e kmsan_report_inline sys/kern/subr_msan.c:234 [inline]
[ 69.4884900] __msan_warning() at netbsd:__msan_warning+0x11e sys/kern/subr_msan.c:615
[ 69.5284903] ksyms_getname() at netbsd:ksyms_getname+0x29f sys/kern/kern_ksyms.c:768
[ 69.5684897] db_search_symbol() at netbsd:db_search_symbol+0xe8 sys/ddb/db_sym.c:242
[ 69.6084902] db_frame_info() at netbsd:db_frame_info+0x128 sys/arch/amd64/amd64/db_machdep.c:213
[ 69.6484898] db_nextframe() at netbsd:db_nextframe+0x70d sys/arch/amd64/amd64/db_machdep.c:179
[ 69.6884878] db_stack_trace_print() at netbsd:db_stack_trace_print+0x1983 sys/arch/x86/x86/db_trace.c:278
[ 69.7284899] ipi_msg_cpu_handler() at netbsd:ipi_msg_cpu_handler+0x224 sys/kern/subr_ipi.c:347
[ 69.7784934] ipi_cpu_handler() at netbsd:ipi_cpu_handler+0x1dc sys/kern/subr_ipi.c:309
[ 69.8184903] x86_ipi_handler() at netbsd:x86_ipi_handler+0x180
[ 69.8584934] Xresume_lapic_ipi() at netbsd:Xresume_lapic_ipi+0x18
[ 69.8684899] --- interrupt ---
[ 69.8984925] kmsan_atomic_or_uint() at netbsd:kmsan_atomic_or_uint+0x52 kmsan_check_arg sys/kern/subr_msan.c:404 [inline]
[ 69.8984925] kmsan_atomic_or_uint() at netbsd:kmsan_atomic_or_uint+0x52 sys/kern/subr_msan.c:1312
[ 69.9384953] kpreempt() at netbsd:kpreempt+0x959
[ 69.9784891] mutex_enter() at netbsd:mutex_enter+0x2ac9 sys/kern/kern_mutex.c:469
[ 70.0184920] device_lookup_private() at netbsd:device_lookup_private+0x52 device_lookup sys/kern/subr_autoconf.c:2663 [inline]
[ 70.0184920] device_lookup_private() at netbsd:device_lookup_private+0x52 sys/kern/subr_autoconf.c:2681
[ 70.0584928] comstart() at netbsd:comstart+0x9a
[ 70.0984889] ttwrite() at netbsd:ttwrite+0x1fd6 sys/kern/tty.c:2375
[ 70.1384925] comwrite() at netbsd:comwrite+0x208 sys/dev/ic/com.c:1251
[ 70.1784884] cdev_write() at netbsd:cdev_write+0x36b sys/kern/subr_devsw.c:1507
[ 70.2184882] cnwrite() at netbsd:cnwrite+0x26c sys/dev/cons.c:231
[ 70.2584949] cdev_write() at netbsd:cdev_write+0x36b sys/kern/subr_devsw.c:1507
[ 70.2984905] spec_write() at netbsd:spec_write+0x561
[ 70.3384891] VOP_WRITE() at netbsd:VOP_WRITE+0x374
[ 70.3784923] vn_write() at netbsd:vn_write+0x709
[ 70.4184899] do_filewritev() at netbsd:do_filewritev+0xd92 sys/kern/sys_generic.c:476
[ 70.4584927] sys_syscall() at netbsd:sys_syscall+0x2c5 sys/kern/sys_syscall.c:90
[ 70.5084878] syscall() at netbsd:syscall+0x60c sy_invoke sys/sys/syscallvar.h:94 [inline]
[ 70.5084878] syscall() at netbsd:syscall+0x60c sys/arch/x86/x86/syscall.c:138
[ 70.5184894] --- syscall (number 121 via SYS_syscall) ---
[ 70.5384885] netbsd:syscall+0x60c:
[ 70.5384885] cpu1: End traceback...
[ 70.5384885] fatal breakpoint trap in supervisor mode
[ 70.5484869] trap type 1 code 0 rip 0xffffffff8023675d cs 0x8 rflags 0x282 cr2 0x727ea87e8a80 ilevel 0x8 rsp 0xffffa880c7934f40
[ 70.5584913] curlwp 0xffffa88012bba900 pid 1239.1239 lowest kstack 0xffffa880c792f2c0
Stopped in pid 1239.1239 (syz-executor1704) at netbsd:breakpoint+0x5: leave
?
breakpoint() at netbsd:breakpoint+0x5
vpanic() at netbsd:vpanic+0xc9d
panic() at netbsd:panic+0x1b3 sys/kern/subr_prf.c:208
__msan_warning() at netbsd:__msan_warning+0x11e kmsan_report_inline sys/kern/subr_msan.c:234 [inline]
__msan_warning() at netbsd:__msan_warning+0x11e sys/kern/subr_msan.c:615
ksyms_getname() at netbsd:ksyms_getname+0x29f sys/kern/kern_ksyms.c:768
db_search_symbol() at netbsd:db_search_symbol+0xe8 sys/ddb/db_sym.c:242
db_frame_info() at netbsd:db_frame_info+0x128 sys/arch/amd64/amd64/db_machdep.c:213
db_nextframe() at netbsd:db_nextframe+0x70d sys/arch/amd64/amd64/db_machdep.c:179
db_stack_trace_print() at netbsd:db_stack_trace_print+0x1983 sys/arch/x86/x86/db_trace.c:278
ipi_msg_cpu_handler() at netbsd:ipi_msg_cpu_handler+0x224 sys/kern/subr_ipi.c:347
ipi_cpu_handler() at netbsd:ipi_cpu_handler+0x1dc sys/kern/subr_ipi.c:309
x86_ipi_handler() at netbsd:x86_ipi_handler+0x180
Xresume_lapic_ipi() at netbsd:Xresume_lapic_ipi+0x18
--- interrupt ---
kmsan_atomic_or_uint() at netbsd:kmsan_atomic_or_uint+0x52 kmsan_check_arg sys/kern/subr_msan.c:404 [inline]
kmsan_atomic_or_uint() at netbsd:kmsan_atomic_or_uint+0x52 sys/kern/subr_msan.c:1312
kpreempt() at netbsd:kpreempt+0x959
mutex_enter() at netbsd:mutex_enter+0x2ac9 sys/kern/kern_mutex.c:469
device_lookup_private() at netbsd:device_lookup_private+0x52 device_lookup sys/kern/subr_autoconf.c:2663 [inline]
device_lookup_private() at netbsd:device_lookup_private+0x52 sys/kern/subr_autoconf.c:2681
comstart() at netbsd:comstart+0x9a
ttwrite() at netbsd:ttwrite+0x1fd6 sys/kern/tty.c:2375
comwrite() at netbsd:comwrite+0x208 sys/dev/ic/com.c:1251
cdev_write() at netbsd:cdev_write+0x36b sys/kern/subr_devsw.c:1507
cnwrite() at netbsd:cnwrite+0x26c sys/dev/cons.c:231
cdev_write() at netbsd:cdev_write+0x36b sys/kern/subr_devsw.c:1507
spec_write() at netbsd:spec_write+0x561
VOP_WRITE() at netbsd:VOP_WRITE+0x374
vn_write() at netbsd:vn_write+0x709
do_filewritev() at netbsd:do_filewritev+0xd92 sys/kern/sys_generic.c:476
sys_syscall() at netbsd:sys_syscall+0x2c5 sys/kern/sys_syscall.c:90
syscall() at netbsd:syscall+0x60c sy_invoke sys/sys/syscallvar.h:94 [inline]
syscall() at netbsd:syscall+0x60c sys/arch/x86/x86/syscall.c:138
--- syscall (number 121 via SYS_syscall) ---
netbsd:syscall+0x60c:
Panic string: MSan: Uninitialized Variable 'flt' From uvm_fault_internal()

PID LID S CPU FLAGS STRUCT LWP * NAME WAIT
1236 1236 2 0 0 ffffa88013465580 syz-executor1704
990 990 2 0 0 ffffa88013465140 syz-executor1704
1130 1130 2 0 0 ffffa8801343e980 syz-executor1704
947 > 947 7 0 0 ffffa8801343e540 syz-executor1704
1245 1245 2 1 0 ffffa8801343e100 syz-executor1704
1244 1244 2 0 140 ffffa88012c75940 syz-executor1704
1243 1243 2 0 140 ffffa88012c75500 syz-executor1704
1120 1120 2 0 140 ffffa88012c750c0 syz-executor1704
1239 >1239 7 1 0 ffffa88012bba900 syz-executor1704
829 829 2 0 140 ffffa88012bba4c0 syz-executor1704
1241 1241 2 1 140 ffffa88012bba080 syz-executor1704
449 449 2 1 140 ffffa880122efb00 syz-executor1704
942 942 3 0 180 ffffa880122ef6c0 syz-executor1704 nanoslp
1235 1235 2 1 100 ffffa880123822c0 sshd
1222 1222 3 0 180 ffffa880122ef280 getty nanoslp
1082 1082 3 0 180 ffffa880125ecbc0 getty nanoslp
1224 1224 3 0 180 ffffa880121eeac0 getty nanoslp
1216 1216 3 0 1c0 ffffa880121eb200 getty ttyraw
1102 1102 3 1 180 ffffa88012b3b8c0 sshd select
1023 1023 3 0 180 ffffa88012b3b480 powerd kqueue
811 811 3 0 180 ffffa8801250d300 syslogd kqueue
559 559 3 0 180 ffffa88012b3b040 dhcpcd poll
747 747 3 1 180 ffffa8801250d740 dhcpcd poll
742 742 3 1 180 ffffa880125ec780 dhcpcd poll
602 602 3 1 180 ffffa88012382700 dhcpcd poll
292 292 3 0 180 ffffa880125ec340 dhcpcd poll
485 485 3 1 180 ffffa88012382b40 dhcpcd poll
291 291 3 1 180 ffffa8801250db80 dhcpcd poll
1 1 3 0 180 ffffa88011ecf100 init wait
0 673 3 0 200 ffffa880121eb640 physiod physiod
0 196 3 0 200 ffffa880121ee680 pooldrain pooldrain
0 195 3 0 200 ffffa880121ee240 ioflush syncer
0 194 3 1 200 ffffa880121eba80 pgdaemon pgdaemon
0 167 2 1 240 ffffa8801215ba40 usb7
0 172 2 1 240 ffffa8801215b600 usb6
0 170 2 1 240 ffffa8801215b1c0 usb5
0 168 3 0 200 ffffa8801212ca00 usb4 usbevt
0 166 3 0 200 ffffa8801212c5c0 usb3 usbevt
0 165 3 0 200 ffffa8801212c180 usb2 usbevt
0 31 3 0 200 ffffa880120769c0 usb1 usbevt
0 63 3 0 200 ffffa88012076580 usb0 usbevt
0 126 3 1 200 ffffa88012076140 usbtask-dr usbtsk
0 125 3 1 200 ffffa88011ecf980 usbtask-hc usbtsk
0 124 3 0 200 ffffa880103f5b00 swwreboot swwreboot
0 123 3 0 200 ffffa88011ecf540 npfgc0 npfgcw
0 122 3 1 200 ffffa88011ec1940 rt_free rt_free
0 121 3 1 200 ffffa88011ec1500 unpgc unpgc
0 120 2 1 200 ffffa88011ec10c0 key_timehandler
0 119 3 1 200 ffffa88011ebc900 icmp6_wqinput/1 icmp6_wqinput
0 118 3 0 200 ffffa88011ebc4c0 icmp6_wqinput/0 icmp6_wqinput
0 117 2 0 200 ffffa88011ebc080 nd6_timer
0 116 3 1 200 ffffa88011e9b8c0 carp6_wqinput/1 carp6_wqinput
0 115 3 0 200 ffffa88011e9b480 carp6_wqinput/0 carp6_wqinput
0 114 3 1 200 ffffa88011cddb80 carp_wqinput/1 carp_wqinput
0 113 3 0 200 ffffa88011cdd740 carp_wqinput/0 carp_wqinput
0 112 3 1 200 ffffa88011ce0bc0 icmp_wqinput/1 icmp_wqinput
0 111 3 0 200 ffffa88011ce0780 icmp_wqinput/0 icmp_wqinput
0 110 2 0 200 ffffa88011e9b040 rt_timer
0 109 3 0 200 ffffa88011ce0340 vmem_rehash vmem_rehash
0 100 3 0 200 ffffa88011cdd300 entbutler entropy
0 99 2 1 240 ffffa880117e0b40 viomb
0 98 3 1 200 ffffa880117e0700 vioif0_txrx/1 vioif0_txrx
0 97 3 0 200 ffffa880117e02c0 vioif0_txrx/0 vioif0_txrx
0 30 3 0 200 ffffa880103f56c0 scsibus0 sccomp
0 29 3 0 200 ffffa880103f5280 pms0 pmsreset
0 28 3 1 200 ffffa880103daac0 xcall/1 xcall
0 27 1 1 200 ffffa880103da680 softser/1
0 26 1 1 200 ffffa880103da240 softclk/1
0 25 1 1 200 ffffa880103d8a80 softbio/1
0 24 1 1 200 ffffa880103d8640 softnet/1
0 23 1 1 201 ffffa880103d8200 idle/1
0 22 3 0 200 ffffa8800f1f4a40 lnxsyswq lnxsyswq
0 21 3 0 200 ffffa8800f1f4600 lnxubdwq lnxubdwq
0 20 3 0 200 ffffa8800f1f41c0 lnxpwrwq lnxpwrwq
0 19 3 0 200 ffffa8800f1f2a00 lnxlngwq lnxlngwq
0 18 3 0 200 ffffa8800f1f25c0 lnxhipwq lnxhipwq
0 17 3 0 200 ffffa8800f1f2180 lnxrcugc lnxrcugc
0 16 3 0 200 ffffa8800f1ec9c0 sysmon smtaskq
0 15 3 0 200 ffffa8800f1ec580 pmfsuspend pmfsuspend
0 14 3 0 200 ffffa8800f1ec140 pmfevent pmfevent
0 13 3 0 200 ffffa8800f1e9980 sopendfree sopendfr
0 12 3 0 200 ffffa8800f1e9540 ifwdog ifwdog
0 11 3 1 200 ffffa8800f1e9100 iflnkst iflnkst
0 10 3 1 200 ffffa8800f1df940 nfssilly nfssilly
0 9 3 0 200 ffffa8800f1df500 vdrain vdrain
0 8 3 1 200 ffffa8800f1df0c0 modunload mod_unld
0 7 3 0 200 ffffa8800ebdb900 xcall/0 xcall
0 6 1 0 200 ffffa8800ebdb4c0 softser/0
0 > 5 7 0 200 ffffa8800ebdb080 softclk/0
0 4 1 0 200 ffffa8800ebd98c0 softbio/0
0 3 1 0 200 ffffa8800ebd9480 softnet/0
0 2 1 0 201 ffffa8800ebd9040 idle/0
0 0 2 1 240 ffffffff868697c0 swapper
[Locks tracked through LWPs]

****** LWP 947.947 (syz-executor1704) @ 0xffffa8801343e540, l_stat=7

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:main+0x354 sys/kern/init_main.c:303)
lock address : netbsd:kernel_lock
type : spin
initialized : netbsd:main+0x354
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 2
relevant cpu : 0 last held: 1
relevant lwp : 0xffffa8801343e540 last held: 0xffffa88012bba900
last locked* : netbsd:cdev_write+0x296
unlocked : netbsd:intr_biglock_wrapper+0x220
curcpu holds : 1 wanted by: 000000000000000000

****** LWP 1245.1245 (syz-executor1704) @ 0xffffa8801343e100, l_stat=2

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:amap_ctor+0xdf sys/uvm/uvm_amap.c:265)
lock address : ffffa880133565c0
type : sleep/adaptive
initialized : netbsd:amap_ctor+0xdf
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 1
relevant cpu : 1 last held: 0
relevant lwp : 0xffffa8801343e100 last held: 000000000000000000
last locked : netbsd:uvm_fault_internal+0x1d28
unlocked* : netbsd:uvm_fault_upper_enter+0x12e9
owner/count : 000000000000000000 flags : 000000000000000000
Turnstile: no active turnstile for this lock.

****** LWP 747.747 (dhcpcd) @ 0xffffa8801250d740, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x43 sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x43
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xffffa8801250d740 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) @ 0xffffa880125ec780, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x43 sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x43
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xffffa880125ec780 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) @ 0xffffa88012382b40, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x43 sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x43
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xffffa88012382b40 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) @ 0xffffa8801250db80, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x43 sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x43
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xffffa8801250db80 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) @ 0xffffa880103da240, l_stat=1

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x43 sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x43
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xffffa880103da240 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) @ 0xffffa8800f1e9100, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x43 sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x43
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xffffa8800f1e9100 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) @ 0xffffa8800ebdb080, l_stat=7

*** Locks held:

* Lock 0 (initialized at netbsd:soinit+0x4c2 sys/kern/uipc_socket.c:459)
lock address : ffffa8800ebc0080
type : sleep/adaptive
initialized : netbsd:soinit+0x4c2
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xffffa8800ebdb080 last held: 0xffffa8800ebdb080
last locked* : netbsd:frag6_fasttimo+0x45
unlocked : netbsd:ipintr+0x767c
owner field : 0xffffa8800ebdb080 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

*** Locks wanted:

* Lock 0 (initialized at netbsd:main+0x354 sys/kern/init_main.c:303)
lock address : netbsd:kernel_lock
type : spin
initialized : netbsd:main+0x354
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 2
relevant cpu : 0 last held: 1
relevant lwp : 0xffffa8800ebdb080 last held: 0xffffa88012bba900
last locked* : netbsd:cdev_write+0x296
unlocked : netbsd:intr_biglock_wrapper+0x220
curcpu holds : 1 wanted by: 000000000000000000

****** LWP 0.0 (swapper) @ 0xffffffff868697c0, l_stat=2

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x43 sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x43
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xffffffff868697c0 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 cpu1:

* Lock 0 (initialized at netbsd:main+0x354 sys/kern/init_main.c:303)
lock address : netbsd:kernel_lock
type : spin
initialized : netbsd:main+0x354
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 2
relevant cpu : 1 last held: 1
relevant lwp : 0xffffa88012bba900 last held: 0xffffa88012bba900
last locked* : netbsd:cdev_write+0x296
unlocked : netbsd:intr_biglock_wrapper+0x220
curcpu holds : 1 wanted by: 000000000000000000

* Lock 1 (initialized at netbsd:tty_init+0x49 sys/kern/tty.c:3075)
lock address : netbsd:tty_lock
type : spin
initialized : netbsd:tty_init+0x49
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xffffa88012bba900 last held: 0xffffa88012bba900
last locked* : netbsd:ttwrite+0x15e8
unlocked : netbsd:ttwrite+0x2020
owner field : 0x0000000000010600 wait/spin: 0/1

* Lock 2 (initialized at netbsd:kprintf_init+0xdc sys/kern/subr_prf.c:155)
lock address : netbsd:kprintf_mtx
type : spin
initialized : netbsd:kprintf_init+0xdc
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xffffa88012bba900 last held: 0xffffa88012bba900
last locked* : netbsd:vpanic+0x624
unlocked : netbsd:printf+0x2ce
owner field : 0x0000000000000800 wait/spin: 0/1

PAGE FLAG PQ UOBJECT UANON
0xffffa88000017180 0001 00000000 0x0 0x0
0xffffa88000017200 0041 00000000 0x0 0x0
0xffffa88000017280 0041 00000000 0x0 0x0
0xffffa88000017300 0041 00000000 0x0 0x0
0xffffa88000017380 0041 00000000 0x0 0x0
0xffffa88000017400 0041 00000000 0x0 0x0
0xffffa88000017480 0041 00000000 0x0 0x0
0xffffa88000017500 0041 00000000 0x0 0x0
0xffffa88000017580 0041 00000000 0x0 0x0
0xffffa88000017600 0041 00000000 0x0 0x0
0xffffa88000017680 0041 00000000 0x0 0x0
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0xffffa88000025700 0001 00000000 0x0 0x0
0xffffa88000025780 0001 00000000 0x0 0x0
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0xffffa88000025b00 0001 00000000 0x0 0x0
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0xffffa88000025c00 0001 00000000 0x0 0x0
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0xffffa88000025d00 0001 00000000 0x0 0x0
0xffffa88000025d80 0001 00000000 0x0 0x0
0xffffa88000025e00 0001 00000000 0x0 0x0
0xffffa88000025e80 0001 00000000 0x0 0x0
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0xffffa88000026000 0001 00000000 0x0 0x0
0xffffa88000026080 0001 00000000 0x0 0x0
0xffffa88000026100 0001 00000000 0x0 0x0
0xffffa88000026180 0001 00000000 0x0 0x0
0xffffa88000026200 0001 00000000 0x0 0x0
0xffffa88000026280 0001 00000000 0x0 0x0
0xffffa88000026300 0001 00000000 0x0 0x0
0xffffa88000026380 0001 00000000 0x0 0x0
0xffffa88000026400 0001 00000000 0x0 0x0
0xffffa88000026480 0001 00000000 0x0 0x0
0xffffa88000026500 0001 00000000 0x0 0x0
0xffffa88000026580 0001 00000000 0x0 0x0
0xffffa88000026600 0001 00000000 0x0 0x0
0xffffa88000026680 0001 00000000 0x0 0x0
0xffffa88000026700 0001 00000000 0x0 0x0
0xffffa88000026780 0001 00000000 0x0 0x0
0xffffa88000026800 0001 00000000 0x0 0x0
0xffffa88000026880 0001 00000000 0x0 0x0
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0xffffa88000026980 0001 00000000 0x0 0x0
0xffffa88000026a00 0001 00000000 0x0 0x0
0xffffa88000026a80 0001 00000000 0x0 0x0
0xffffa88000026b00 0001 00000000 0x0 0x0
0xffffa88000026b80 0001 00000000 0x0 0x0
0xffffa88000026c00 0001 00000000 0x0 0x0
0xffffa88000026c80 0001 00000000 0x0 0x0
0xffffa88000026d00 0001 00000000 0x0 0x0
0xffffa88000026d80 0001 00000000 0x0 0x0
0xffffa88000026e00 0001 00000000 0x0 0x0
0xffffa88000026e80 0001 00000000 0x0 0x0
0xffffa88000026f00 0001 00000000 0x0 0x0
0xffffa88000026f80 0001 00000000 0x0 0x0
0xffffa88000027000 0001 00000000 0x0 0x0
0xffffa88000027080 0001 00000000 0x0 0x0
0xffffa88000027100 0001 00000000 0x0 0x0
0xffffa88000027180 0001 00000000 0x0 0x0
0xffffa88000027200 0001 00000000 0x0 0x0
0xffffa88000027280 0001 00000000 0x0 0x0
0xffffa88000027300 0001 00000000 0x0 0x0
0xffffa88000027380 0001 00000000 0x0 0x0
0xffffa88000027400 0001 00000000 0x0 0x0
0xffffa88000027480 0001 00000000 0x0 0x0
0xffffa88000027500 0001 00000000 0x0 0x0
0xffffa88000027580 0001 00000000 0x0 0x0
0xffffa88000027600 0001 00000000 0x0 0x0
0xffffa88000027680 0001 00000000 0x0 0x0
0xffffa88000027700 0001 00000000 0x0 0x0
0xffffa88000027780 0001 00000000 0x0 0x0
0xffffa88000027800 0001 00000000 0x0 0x0
0xffffa88000027880 0001 00000000 0x0 0x0
0xffffa88000027900 0001 00000000 0x0 0x0
0xffffa88000027980 0001 00000000 0x0 0x0
0xffffa88000027a00 0001 00000000 0x0 0x0
0xffffa88000027a80 0001 00000000 0x0 0x0
0xffffa88000027b00 0001 00000000 0x0 0x0
0xffffa88000027b80 0001 00000000 0x0 0x0
0xffffa88000027c00 0001 00000000 0x0 0x0
0xffffa88000027c80 0001 00000000 0x0 0x0
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0xffffa88000027e80 0001 00000000 0x0 0x0
0xffffa88000027f00 0001 00000000 0x0 0x0
0xffffa88000027f80 0001 00000000 0x0 0x0
0xffffa88000028000 0001 00000000 0x0 0x0
0xffffa88000028080 0001 00000000 0x0 0x0
0xffffa88000028100 0001 00000000 0x0 0x0
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0xffffa88000028200 0001 00000000 0x0 0x0
0xffffa88000028280 0001 00000000 0x0 0x0
0xffffa88000028300 0001 00000000 0x0 0x0
0xffffa88000028380 0001 00000000 0x0 0x0
0xffffa88000028400 0001 00000000 0x0 0x0
0xffffa88000028480 0001 00000000 0x0 0x0
0xffffa88000028500 0001 00000000 0x0 0x0
0xffffa88000028580 0001 00000000 0x0 0x0
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0xffffa88000028680 0001 00000000 0x0 0x0
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0xffffa88000028780 0001 00000000 0x0 0x0
0xffffa88000028800 0001 00000000 0x0 0x0
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0xffffa88000028a00 0001 00000000 0x0 0x0
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0xffffa88000028b00 0001 00000000 0x0 0x0
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0xffffa88000028c00 0001 00000000 0x0 0x0
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0xffffa88000028d00 0001 00000000 0x0 0x0
0xffffa88000028d80 0001 00000000 0x0 0x0
0xffffa88000028e00 0001 00000000 0x0 0x0
0xffffa88000028e80 0001 00000000 0x0 0x0
0xffffa88000028f00 0001 00000000 0x0 0x0
0xffffa88000028f80 0001 00000000 0x0 0x0
0xffffa88000029000 0001 00000000 0x0 0x0
0xffffa88000029080 0001 00000000 0x0 0x0
0xffffa88000029100 0001 00000000 0x0 0x0
0xffffa88000029180 0001 00000000 0x0 0x0
0xffffa88000029200 0001 00000000 0x0 0x0
0xffffa88000029280 0001 00000000 0x0 0x0
0xffffa88000029300 0001 00000000 0x0 0x0
0xffffa88000029380 0001 00000000 0x0 0x0
0xffffa88000029400 0001 00000000 0x0 0x0
0xffffa88000029480 0001 00000000 0x0 0x0
0xffffa88000029500 0001 00000000 0x0 0x0
0xffffa88000029580 0001 00000000 0x0 0x0
0xffffa88000029600 0001 00000000 0x0 0x0
0xffffa88000029680 0001 00000000 0x0 0x0
0xffffa88000029700 0001 00000000 0x0 0x0
0xffffa88000029780 0001 00000000 0x0 0x0
0xffffa88000029800 0001 00000000 0x0 0x0
0xffffa88000029880 0001 00000000 0x0 0x0
0xffffa88000029900 0001 00000000 0x0 0x0
0xffffa88000029980 0001 00000000 0x0 0x0
0xffffa88000029a00 0001 00000000 0x0 0x0
0xffffa88000029a80 0001 00000000 0x0 0x0
0xffffa88000029b00 0001 00000000 0x0 0x0
0xffffa88000029b80 0001 00000000 0x0 0x0
0xffffa88000029c00 0001 00000000 0x0 0x0
0xffffa88000029c80 0001 00000000 0x0 0x0
0xffffa88000029d00 0001 00000000 0x0 0x0
0xffffa88000029d80 0001 00000000 0x0 0x0
0xffffa88000029e00 0001 00000000 0x0 0x0
0xffffa88000029e80 0001 00000000 0x0 0x0
0xffffa88000029f00 0001 00000000 0x0 0x0
0xffffa88000029f80 0001 00000000 0x0 0x0
0xffffa8800002a000 0001 00000000 0x0 0x0
0xffffa8800002a080 0001 00000000 0x0 0x0
0xffffa8800002a100 0001 00000000 0x0 0x0
0xffffa8800002a180 0001 00000000 0x0 0x0
0xffffa8800002a200 0001 00000000 0x0 0x0
0xffffa8800002a280 0001 00000000 0x0 0x0
0xffffa8800002a300 0001 00000000 0x0 0x0
0xffffa8800002a380 0001 00000000 0x0 0x0
0xffffa8800002a400 0001 00000000 0x0 0x0
0xffffa8800002a480 0001 00000000 0x0 0x0
0xffffa8800002a500 0001 00000000 0x0 0x0
0xffffa8800002a580 0001 00000000 0x0 0x0
0xffffa8800002a600 0001 00000000

---
This report is generated by a bot. It may contain errors.
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