page fault in kpsignal (3)

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syzbot

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Apr 20, 2023, 2:56:42 AM4/20/23
to syzkaller-...@googlegroups.com
Hello,

syzbot found the following issue on:

HEAD commit: 8ac4154f3b05 Another err message typo! (found this one m..
git tree: netbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=15e78fa8280000
kernel config: https://syzkaller.appspot.com/x/.config?x=739e57438eb9ed9e
dashboard link: https://syzkaller.appspot.com/bug?extid=b63d312b8379670141c6
compiler: Debian clang version 15.0.7

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

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/54d4b740d071/disk-8ac4154f.raw.xz
netbsd.gdb: https://storage.googleapis.com/syzbot-assets/83cf154fa1e8/netbsd-8ac4154f.gdb.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b63d31...@syzkaller.appspotmail.com

[ 300.9430308] fatal page fault in supervisor mode
[ 300.9543266] trap type 6 code 0 rip 0xffffffff8527614b cs 0x8 rflags 0x10246 cr2 0x10000009b ilevel 0x2 rsp 0xffffe300aed71aa0
[ 300.9653817] curlwp 0xffffe3000ebdb080 pid 0.5 lowest kstack 0xffffe300aed6a2c0
kernel: page fault trap, code=0
Stopped in pid 0.5 (system) at netbsd:kpsignal+0x11b: movl 0(%r14),%r12d
?
kpsignal() at netbsd:kpsignal+0x11b
kpgsignal() at netbsd:kpgsignal+0x299 sys/kern/kern_sig.c:898
pgsignal() at netbsd:pgsignal+0x1b6 sys/kern/kern_sig.c:887
ttysigintr() at netbsd:ttysigintr+0xd91
softint_dispatch() at netbsd:softint_dispatch+0x12e2 softint_execute sys/kern/kern_softint.c:601 [inline]
softint_dispatch() at netbsd:softint_dispatch+0x12e2 sys/kern/kern_softint.c:842
address 0xffffe300aed720b8 is invalid
address 0xffffe300aed720b0 is invalid
address 0xffffe300aed720c0 is invalid
address 0xffffe300aed720b8 is invalid
address 0xffffe300aed720c8 is invalid
address 0xffffe300aed720c0 is invalid
address 0xffffe300aed720d0 is invalid
address 0xffffe300aed720c8 is invalid
DDB lost frame for netbsd:Xsoftintr+0x57, trying 0xffffe300aed71ff0
Xsoftintr() at netbsd:Xsoftintr+0x57
--- interrupt ---
address 0xffffe300aed720c8 is invalid
address 0xffffe300aed72080 is invalid
66d0750853b0493:
Panic string: (null)
PID LID S CPU FLAGS STRUCT LWP * NAME WAIT
3000 1983 3 0 180 ffffe30013caf5c0 syz-executor.5 parked
3000 >1835 7 0 100 ffffe300133f6540 syz-executor.5
3000 3000 2 0 10040000 ffffe3001374eb00 syz-executor.5
1928 1928 3 1 180 ffffe30013caf180 syz-executor.0 parked
1926 1778 3 1 11100000 ffffe300135289c0 syz-executor.0 vfork
1926 1926 2 1 11000040 ffffe30013c29a40 syz-executor.0
3632 3632 2 0 40 ffffe30013528580 syz-executor.3
3756 3756 3 0 180 ffffe3001359ba00 syz-executor.0 parked
2614 3639 3 0 11100000 ffffe30013c29600 syz-executor.0 vfork
2614 2614 2 1 11000040 ffffe300137b5940 syz-executor.0
1410 1410 3 0 180 ffffe30013740240 syz-executor.5 parked
1419 1419 3 0 180 ffffe300137b50c0 syz-executor.5 parked
1418 1418 3 1 180 ffffe30013881b40 syz-executor.5 parked
3930 3930 3 0 180 ffffe3001388db80 syz-executor.5 parked
1267 1267 3 0 180 ffffe3001378c080 syz-executor.5 parked
2885 2885 3 0 180 ffffe30013786480 syz-executor.3 parked
2137 2137 3 0 180 ffffe3001378c900 syz-executor.3 parked
3548 3548 3 1 180 ffffe300136cf640 syz-executor.3 parked
1180 1180 3 0 180 ffffe3001378c4c0 syz-executor.0 parked
1155 1164 3 0 1100000 ffffe300138812c0 syz-executor.0 vfork
1155 1155 3 0 11000000 ffffe3001388d740 syz-executor.0 lwpwait
2353 2353 3 0 180 ffffe30013740ac0 syz-executor.0 parked
2396 2396 3 0 180 ffffe30013740680 syz-executor.0 parked
2357 2357 3 0 180 ffffe30013881700 syz-executor.0 parked
1715 1715 3 0 180 ffffe3001359b5c0 syz-executor.5 nanoslp
1119 1119 3 1 40 ffffe300133f6980 syz-executor.1 biolock
1080 1206 3 1 180 ffffe30013631600 syz-fuzzer wait
1080 941 3 0 180 ffffe300136311c0 syz-fuzzer wait
1080 1384 2 0 100 ffffe3001359b180 syz-fuzzer
1080 929 3 1 180 ffffe30013528140 syz-fuzzer parked
1080 1243 3 0 180 ffffe300133f6100 syz-fuzzer parked
1080 829 3 1 40 ffffe30012cac940 syz-fuzzer biolock
1080 1241 3 0 180 ffffe30012cac500 syz-fuzzer parked
1080 930 3 0 180 ffffe30012cac0c0 syz-fuzzer parked
1080 449 3 0 180 ffffe30012bed900 syz-fuzzer parked
1080 942 3 0 180 ffffe30012bed4c0 syz-fuzzer wait
1080 1233 3 0 180 ffffe30012bed080 syz-fuzzer parked
1080 1235 2 0 100 ffffe300122ffb00 syz-fuzzer
1080 1080 3 0 180 ffffe300122ff6c0 syz-fuzzer parked
1238 1238 3 0 180 ffffe30012bc08c0 sshd select
1151 1151 3 0 180 ffffe300122ff280 getty nanoslp
1106 1106 3 0 180 ffffe300123902c0 getty nanoslp
1224 1224 3 0 180 ffffe300121feac0 getty nanoslp
1184 >1184 7 1 140 ffffe300121fb200 getty
1102 1102 3 0 180 ffffe3001251d300 sshd select
1088 1088 3 0 180 ffffe300125fd780 powerd kqueue
699 699 3 1 180 ffffe30012bc0480 syslogd kqueue
559 559 3 0 180 ffffe30012bc0040 dhcpcd poll
746 746 3 0 180 ffffe3001251db80 dhcpcd poll
745 745 3 1 180 ffffe300125fdbc0 dhcpcd poll
599 599 3 0 180 ffffe30012390700 dhcpcd poll
487 487 3 0 180 ffffe300125fd340 dhcpcd poll
292 292 3 0 180 ffffe30012390b40 dhcpcd poll
485 485 3 1 180 ffffe3001251d740 dhcpcd poll
1 1 3 1 180 ffffe30011e90100 init wait
0 4028 5 1 200 ffffe3001374e6c0 (zombie)
0 3302 3 0 200 ffffe300137868c0 ktrace ktrwait
0 3142 2 0 200 ffffe30013631a40 ktrace
0 925 3 0 200 ffffe3001388d300 ktrace ktrwait
0 2668 3 0 200 ffffe300136cfa80 ktrace ktrwait
0 1003 3 0 200 ffffe300121fb640 physiod physiod
0 196 3 0 200 ffffe300121fe680 pooldrain pooldrain
0 195 3 0 200 ffffe300121fe240 ioflush syncer
0 194 3 1 200 ffffe300121fba80 pgdaemon pgdaemon
0 171 3 1 200 ffffe3001216ba40 usb7 usbevt
0 170 3 0 200 ffffe3001216b600 usb6 usbevt
0 169 3 1 200 ffffe3001216b1c0 usb5 usbevt
0 167 3 0 200 ffffe3001213ca00 usb4 usbevt
0 166 3 0 200 ffffe3001213c5c0 usb3 usbevt
0 165 3 0 200 ffffe3001213c180 usb2 usbevt
0 31 3 0 200 ffffe300120869c0 usb1 usbevt
0 63 3 0 200 ffffe30012086580 usb0 usbevt
0 126 3 1 200 ffffe30012086140 usbtask-dr usbtsk
0 125 3 1 200 ffffe30011e90980 usbtask-hc usbtsk
0 124 3 0 200 ffffe300103f5b00 swwreboot swwreboot
0 123 3 0 200 ffffe30011e90540 npfgc0 npfgcw
0 122 3 1 200 ffffe30011e83940 rt_free rt_free
0 121 3 1 200 ffffe30011e83500 unpgc unpgc
0 120 3 0 200 ffffe30011e830c0 key_timehandler key_timehandler
0 119 3 1 200 ffffe30011e7f900 icmp6_wqinput/1 icmp6_wqinput
0 118 3 0 200 ffffe30011e7f4c0 icmp6_wqinput/0 icmp6_wqinput
0 117 3 0 200 ffffe30011e7f080 nd6_timer nd6_timer
0 116 3 1 200 ffffe30011e798c0 carp6_wqinput/1 carp6_wqinput
0 115 3 0 200 ffffe30011e79480 carp6_wqinput/0 carp6_wqinput
0 114 3 1 200 ffffe30011e79040 carp_wqinput/1 carp_wqinput
0 113 3 0 200 ffffe30011cefbc0 carp_wqinput/0 carp_wqinput
0 112 3 1 200 ffffe30011cef780 icmp_wqinput/1 icmp_wqinput
0 111 3 0 200 ffffe30011cef340 icmp_wqinput/0 icmp_wqinput
0 110 3 0 200 ffffe30011ced740 rt_timer rt_timer
0 109 3 0 200 ffffe30011cedb80 vmem_rehash vmem_rehash
0 100 3 0 200 ffffe30011ced300 entbutler entropy
0 99 3 0 200 ffffe300117e0b40 viomb balloon
0 98 3 1 200 ffffe300117e0700 vioif0_txrx/1 vioif0_txrx
0 97 3 0 200 ffffe300117e02c0 vioif0_txrx/0 vioif0_txrx
0 30 3 0 200 ffffe300103f56c0 scsibus0 sccomp
0 29 3 0 200 ffffe300103f5280 pms0 pmsreset
0 28 3 1 200 ffffe300103daac0 xcall/1 xcall
0 27 1 1 200 ffffe300103da680 softser/1
0 26 1 1 200 ffffe300103da240 softclk/1
0 25 1 1 200 ffffe300103d8a80 softbio/1
0 24 1 1 200 ffffe300103d8640 softnet/1
0 23 1 1 201 ffffe300103d8200 idle/1
0 22 3 1 200 ffffe3000f1f4a40 lnxsyswq lnxsyswq
0 21 3 0 200 ffffe3000f1f4600 lnxubdwq lnxubdwq
0 20 3 1 200 ffffe3000f1f41c0 lnxpwrwq lnxpwrwq
0 19 3 1 200 ffffe3000f1f2a00 lnxlngwq lnxlngwq
0 18 3 1 200 ffffe3000f1f25c0 lnxhipwq lnxhipwq
0 17 3 1 200 ffffe3000f1f2180 lnxrcugc lnxrcugc
0 16 3 0 200 ffffe3000f1ec9c0 sysmon smtaskq
0 15 3 1 200 ffffe3000f1ec580 pmfsuspend pmfsuspend
0 14 3 0 200 ffffe3000f1ec140 pmfevent pmfevent
0 13 3 0 200 ffffe3000f1e9980 sopendfree sopendfr
0 12 3 0 200 ffffe3000f1e9540 ifwdog ifwdog
0 11 3 0 200 ffffe3000f1e9100 iflnkst iflnkst
0 10 3 1 200 ffffe3000f1df940 nfssilly nfssilly
0 9 3 0 200 ffffe3000f1df500 vdrain vdrain
0 8 3 0 200 ffffe3000f1df0c0 modunload mod_unld
0 7 3 0 200 ffffe3000ebdb900 xcall/0 xcall
0 6 1 0 200 ffffe3000ebdb4c0 softser/0
0 > 5 7 0 200 ffffe3000ebdb080 softclk/0
0 4 1 0 200 ffffe3000ebd98c0 softbio/0
0 3 1 0 200 ffffe3000ebd9480 softnet/0
0 2 1 0 201 ffffe3000ebd9040 idle/0
0 0 3 0 200 ffffffff8686a800 swapper uvm
[Locks tracked through LWPs]

****** LWP 3000.1835 (syz-executor.5) @ 0xffffe300133f6540, l_stat=7

*** 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 : 0 last held: 0
relevant lwp : 0xffffe300133f6540 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 3632.3632 (syz-executor.3) @ 0xffffe30013528580, l_stat=2

*** Locks held:

* Lock 0 (initialized at netbsd:vcache_alloc+0xc6 sys/kern/vfs_vnode.c:1376)
lock address : ffffe30013c328c0
type : sleep/adaptive
initialized : netbsd:vcache_alloc+0xc6
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 1
relevant lwp : 0xffffe30013528580 last held: 0xffffe30013528580
last locked* : netbsd:genfs_lock+0x1d6
unlocked : netbsd:genfs_unlock+0x55
owner/count : 0xffffe30013528580 flags : 0x0000000000000004
Turnstile: no active turnstile for this lock.

* Lock 1 (initialized at netbsd:vcache_alloc+0xc6 sys/kern/vfs_vnode.c:1376)
lock address : ffffe30013f20200
type : sleep/adaptive
initialized : netbsd:vcache_alloc+0xc6
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 1
relevant lwp : 0xffffe30013528580 last held: 0xffffe30013528580
last locked* : netbsd:genfs_lock+0x1d6
unlocked : 0
owner/count : 0xffffe30013528580 flags : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 1155.1164 (syz-executor.0) @ 0xffffe300138812c0, 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 : 0 last held: 0
relevant lwp : 0xffffe300138812c0 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 1119.1119 (syz-executor.1) @ 0xffffe300133f6980, l_stat=3

*** Locks held:

* Lock 0 (initialized at netbsd:vcache_alloc+0xc6 sys/kern/vfs_vnode.c:1376)
lock address : ffffe30013890d40
type : sleep/adaptive
initialized : netbsd:vcache_alloc+0xc6
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xffffe300133f6980 last held: 0xffffe300133f6980
last locked* : netbsd:genfs_lock+0x1d6
unlocked : netbsd:genfs_unlock+0x55
owner/count : 0xffffe300133f6980 flags : 0x0000000000000004
Turnstile: no active turnstile for this lock.

* Lock 1 (initialized at netbsd:vcache_alloc+0xc6 sys/kern/vfs_vnode.c:1376)
lock address : ffffe300137c4200
type : sleep/adaptive
initialized : netbsd:vcache_alloc+0xc6
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xffffe300133f6980 last held: 0xffffe300133f6980
last locked* : netbsd:genfs_lock+0x1d6
unlocked : netbsd:genfs_unlock+0x55
owner/count : 0xffffe300133f6980 flags : 0x0000000000000004
Turnstile: no active turnstile for this lock.

* Lock 2 (initialized at netbsd:genfs_node_init+0x6e sys/miscfs/genfs/genfs_vnops.c:475)
lock address : ffffe3001379c450
type : sleep/adaptive
initialized : netbsd:genfs_node_init+0x6e
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xffffe300133f6980 last held: 0xffffe300133f6980
last locked* : netbsd:ffs_truncate+0x399a
unlocked : 0
owner/count : 0xffffe300133f6980 flags : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 1080.829 (syz-fuzzer) @ 0xffffe30012cac940, l_stat=3

*** Locks held:

* Lock 0 (initialized at netbsd:vcache_alloc+0xc6 sys/kern/vfs_vnode.c:1376)
lock address : ffffe300137a78c0
type : sleep/adaptive
initialized : netbsd:vcache_alloc+0xc6
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xffffe30012cac940 last held: 0xffffe30012cac940
last locked* : netbsd:genfs_lock+0x1d6
unlocked : netbsd:genfs_unlock+0x55
owner/count : 0xffffe30012cac940 flags : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 1184.1184 (getty) @ 0xffffe300121fb200, 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: 1
relevant cpu : 1 last held: 0
relevant lwp : 0xffffe300121fb200 last held: 0xffffe300133f6540
last locked* : netbsd:cdev_ioctl+0x2d6
unlocked : netbsd:cdev_open+0xadf
curcpu holds : 2 wanted by: 000000000000000000

****** LWP 746.746 (dhcpcd) @ 0xffffe3001251db80, 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 : 0 last held: 0
relevant lwp : 0xffffe3001251db80 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 745.745 (dhcpcd) @ 0xffffe300125fdbc0, 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 : 0xffffe300125fdbc0 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) @ 0xffffe30012390b40, 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 : 0 last held: 0
relevant lwp : 0xffffe30012390b40 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) @ 0xffffe3001251d740, 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 : 0xffffe3001251d740 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) @ 0xffffe3000f1e9100, 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 : 0 last held: 0
relevant lwp : 0xffffe3000f1e9100 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) @ 0xffffe3000ebdb080, l_stat=7

*** Locks held:

* Lock 0 (initialized at netbsd:procinit+0x85 sys/kern/kern_proc.c:386)
lock address : netbsd:proc_lock
type : sleep/adaptive
initialized : netbsd:procinit+0x85
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xffffe3000ebdb080 last held: 0xffffe3000ebdb080
last locked* : netbsd:ttysigintr+0x58
unlocked : netbsd:do_sys_waitid+0x3c7
owner field : 0xffffe3000ebdb080 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

*** 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 : 0 last held: 0
relevant lwp : 0xffffe3000ebdb080 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) @ 0xffffffff8686a800, 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 : 0 last held: 0
relevant lwp : 0xffffffff8686a800 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: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: 1
relevant cpu : 0 last held: 0
relevant lwp : 0xffffe3000ebdb080 last held: 0xffffe300133f6540
last locked* : netbsd:cdev_ioctl+0x2d6
unlocked : netbsd:cdev_open+0xadf
curcpu holds : 2 wanted by: 000000000000000000

PAGE FLAG PQ UOBJECT UANON
0xffffe30000017180 0001 00000000 0x0 0x0
0xffffe30000017200 0041 00000000 0x0 0x0
0xffffe30000017280 0041 00000000 0x0 0x0
0xffffe30000017300 0041 00000000 0x0 0x0
0xffffe30000017380 0041 00000000 0x0 0x0
0xffffe30000017400 0041 00000000 0x0 0x0
0xffffe30000017480 0041 00000000 0x0 0x0
0xffffe30000017500 0041 00000000 0x0 0x0
0xffffe30000017580 0041 00000000 0x0 0x0
0xffffe30000017600 0041 00000000 0x0 0x0
0xffffe30000017680 0041 00000000 0x0 0x0
0xffffe30000017700 0041 00000000 0x0 0x0
0xffffe30000017780 0041 00000000 0x0 0x0
0xffffe30000017800 0041 00000000 0x0 0x0
0xffffe30000017880 0041 00000000 0x0 0x0
0xffffe30000017900 0041 00000000 0x0 0x0
0xffffe30000017980 0041 00000000 0x0 0x0
0xffffe30000017a00 0041 00000000 0x0 0x0
0xffffe30000017a80 0041 00000000 0x0 0x0
0xffffe30000017b00 0041 00000000 0x0 0x0
0xffffe30000017b80 0041 00000000 0x0 0x0
0xffffe30000017c00 0041 00000000 0x0 0x0
0xffffe30000017c80 0041 00000000 0x0 0x0
0xffffe30000017d00 0041 00000000 0x0 0x0
0xffffe30000017d80 0041 00000000 0x0 0x0
0xffffe30000017e00 0041 00000000 0x0 0x0
0xffffe30000017e80 0041 00000000 0x0 0x0
0xffffe30000017f00 0041 00000000 0x0 0x0
0xffffe30000017f80 0041 00000000 0x0 0x0
0xffffe30000018000 0041 00000000 0x0 0x0
0xffffe30000018080 0041 00000000 0x0 0x0
0xffffe30000018100 0041 00000000 0x0 0x0
0xffffe30000018180 0041 00000000 0x0 0x0
0xffffe30000018200 0041 00000000 0x0 0x0
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0xffffe30000026280 0001 00000000 0x0 0x0
0xffffe30000026300 0001 00000000 0x0 0x0
0xffffe30000026380 0001 00000000 0x0 0x0
0xffffe30000026400 0001 00000000 0x0 0x0
0xffffe30000026480 0001 00000000 0x0 0x0
0xffffe30000026500 0001 00000000 0x0 0x0
0xffffe30000026580 0001 00000000 0x0 0x0
0xffffe30000026600 0001 00000000 0x0 0x0
0xffffe30000026680 0001 00000000 0x0 0x0
0xffffe30000026700 0001 00000000 0x0 0x0
0xffffe30000026780 0001 00000000 0x0 0x0
0xffffe30000026800 0001 00000000 0x0 0x0
0xffffe30000026880 0001 00000000 0x0 0x0
0xffffe30000026900 0001 00000000 0x0 0x0
0xffffe30000026980 0001 00000000 0x0 0x0
0xffffe30000026a00 0001 00000000 0x0 0x0
0xffffe30000026a80 0001 00000000 0x0 0x0
0xffffe30000026b00 0001 00000000 0x0 0x0
0xffffe30000026b80 0001 00000000 0x0 0x0
0xffffe30000026c00 0001 00000000 0x0 0x0
0xffffe30000026c80 0001 00000000 0x0 0x0
0xffffe30000026d00 0001 00000000 0x0 0x0
0xffffe30000026d80 0001 00000000 0x0 0x0
0xffffe30000026e00 0001 00000000 0x0 0x0
0xffffe30000026e80 0001 00000000 0x0 0x0
0xffffe30000026f00 0001 00000000 0x0 0x0
0xffffe30000026f80 0001 00000000 0x0 0x0
0xffffe30000027000 0001 00000000 0x0 0x0
0xffffe30000027080 0001 00000000 0x0 0x0
0xffffe30000027100 0001 00000000 0x0 0x0
0xffffe30000027180 0001 00000000 0x0 0x0
0xffffe30000027200 0001 00000000 0x0 0x0
0xffffe30000027280 0001 00000000 0x0 0x0
0xffffe30000027300 0001 00000000 0x0 0x0
0xffffe30000027380 0001 00000000 0x0 0x0
0xffffe30000027400 0001 00000000 0x0 0x0
0xffffe30000027480 0001 00000000 0x0 0x0
0xffffe30000027500 0001 00000000 0x0 0x0
0xffffe30000027580 0001 00000000 0x0 0x0
0xffffe30000027600 0001 00000000 0x0 0x0
0xffffe30000027680 0001 00000000 0x0 0x0
0xffffe30000027700 0001 00000000 0x0 0x0
0xffffe30000027780 0001 00000000 0x0 0x0
0xffffe30000027800 0001 00000000 0x0 0x0
0xffffe30000027880 0001 00000000 0x0 0x0
0xffffe30000027900 0001 00000000 0x0 0x0
0xffffe30000027980 0001 00000000 0x0 0x0
0xffffe30000027a00 0001 00000000 0x0 0x0
0xffffe30000027a80 0001 00000000 0x0 0x0
0xffffe30000027b00 0001 00000000 0x0 0x0
0xffffe30000027b80 0001 00000000 0x0 0x0
0xffffe30000027c00 0001 00000000 0x0 0x0
0xffffe30000027c80 0001 00000000 0x0 0x0
0xffffe30000027d00 0001 00000000 0x0 0x0
0xffffe30000027d80 0001 00000000 0x0 0x0
0xffffe30000027e00 0001 00000000 0x0 0x0
0xffffe30000027e80 0001 00000000 0x0 0x0
0xffffe30000027f00 0001 00000000 0x0 0x0
0xffffe30000027f80 0001 00000000 0x0 0x0
0xffffe30000028000 0001 00000000 0x0 0x0
0xffffe30000028080 0001 00000000 0x0 0x0
0xffffe30000028100 0001 00000000 0x0 0x0
0xffffe30000028180 0001 00000000 0x0 0x0
0xffffe30000028200 0001 00000000 0x0 0x0
0xffffe30000028280 0001 00000000 0x0 0x0
0xffffe30000028300 0001 00000000 0x0 0x0
0xffffe30000028380 0001 00000000 0x0 0x0
0xffffe30000028400 0001 00000000 0x0 0x0
0xffffe30000028480 0001 00000000 0x0 0x0
0xffffe30000028500 0001 00000000 0x0 0x0
0xffffe30000028580 0001 00000000 0x0 0x0
0xffffe30000028600 0001 00000000 0x0 0x0
0xffffe30000028680 0001 00000000 0x0 0x0
0xffffe30000028700 0001 00000000 0x0 0x0
0xffffe30000028780 0001 00000000 0x0 0x0
0xffffe30000028800 0001 00000000 0x0 0x0
0xffffe30000028880 0001 00000000 0x0 0x0
0xffffe30000028900 0001 00000000 0x0 0x0
0xffffe30000028980 0001 00000000 0x0 0x0
0xffffe30000028a00 0001 00000000 0x0 0x0
0xffffe30000028a80 0001 00000000 0x0 0x0
0xffffe30000028b00 0001 00000000 0x0 0x0
0xffffe30000028b80 0001 00000000 0x0 0x0
0xffffe30000028c00 0001 00000000 0x0 0x0
0xffffe30000028c80 0001 00000000 0x0 0x0
0xffffe30000028d00 0001 00000000 0x0 0x0
0xffffe30000028d80 0001 00000000 0x0 0x0
0xffffe30000028e00 0001 00000000 0x0 0x0
0xffffe30000028e80 0001 00000000 0x0 0x0
0xffffe30000028f00 0001 00000000 0x0 0x0
0xffffe30000028f80 0001 00000000 0x0 0x0
0xffffe30000029000 0001 00000000 0x0 0x0
0xffffe30000029080 0001 00000000 0x0 0x0
0xffffe30000029100 0001 00000000 0x0 0x0
0xffffe30000029180 0001 00000000 0x0 0x0
0xffffe30000029200 0001 00000000 0x0 0x0
0xffffe30000029280 0001 00000000 0x0 0x0
0xffffe30000029300 0001 00000000 0x0 0x0
0xffffe30000029380 0001 00000000 0x0 0x0
0xffffe30000029400 0001 00000000 0x0 0x0
0xffffe30000029480 0001 00000000 0x0 0x0
0xffffe30000029500 0001 00000000 0x0 0x0
0xffffe30000029580 0001 00000000 0x0 0x0
0xffffe30000029600 0001 00000000 0x0 0x0
0xffffe30000029680 0001 00000000 0x0 0x0
0xffffe30000029700 0001 00000000 0x0 0x0
0xffffe30000029780 0001 00000000 0x0 0x0
0xffffe30000029800 0001 00000000 0x0 0x0
0xffffe30000029880 0001 00000000 0x0 0x0
0xffffe30000029900 0001 00000000 0x0 0x0
0xffffe30000029980 0001 00000000 0x0 0x0
0xffffe30000029a00 0001 00000000 0x0 0x0
0xffffe30000029a80 0001 00000000 0x0 0x0
0xffffe30000029b00 0001 00000000 0x0 0x0
0xffffe30000029b80 0001 00000000 0x0 0x0
0xffffe30000029c00 0001 00000000 0x0 0x0
0xffffe30000029c80 0001 00000000 0x0 0x0
0xffffe30000029d00 0001 00000000 0x0 0x0
0xffffe30000029d80 0001 00000000 0x0 0x0
0xffffe30000029e00 0001 00000000 0x0 0x0
0xffffe30000029e80 0001 00000000 0x0 0x0
0xffffe30000029f00 0001 00000000 0x0 0x0
0xffffe30000029f80 0001 00000000 0x0 0x0
0xffffe3

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

unread,
Jul 19, 2023, 2:57:47 AM7/19/23
to syzkaller-...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
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