assert failed: pdk->dk_rawvp != NULL

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syzbot

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Aug 27, 2022, 7:10:29 PM8/27/22
to syzkaller-...@googlegroups.com
Hello,

syzbot found the following issue on:

HEAD commit: 3a258eadab58 Adopt TCP window handling from current HPN pa..
git tree: netbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=12073a1b080000
kernel config: https://syzkaller.appspot.com/x/.config?x=1420f906d33d9f1f
dashboard link: https://syzkaller.appspot.com/bug?extid=7e9044a03c1457ab5658
compiler: g++ (Debian 10.2.1-6) 10.2.1 20210110

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

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/7bbffd00b1de/disk-3a258ead.raw.xz
netbsd.gdb: https://storage.googleapis.com/syzbot-assets/b5164582c1a6/netbsd-3a258ead.gdb.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+7e9044...@syzkaller.appspotmail.com

[ 174.7907251] panic: kernel diagnostic assertion "pdk->dk_rawvp != NULL" failed: file "/syzkaller/managers/ci2-netbsd-kubsan/kernel/sys/dev/dkwedge/dk.c", line 1026
[ 174.8073212] cpu0: Begin traceback...
[ 174.8353417] vpanic() at netbsd:vpanic+0x2f2 sys/kern/subr_prf.c:293
[ 174.9453406] kern_assert() at netbsd:kern_assert+0x65 sys/arch/amd64/amd64/db_disasm.c:1074
[ 175.0253417] dkwedge_read() at netbsd:dkwedge_read+0x43b sys/dev/dkwedge/dk.c:1026
[ 175.1053411] dkwedge_discover_gpt() at netbsd:dkwedge_discover_gpt+0x1a8 sys/dev/dkwedge/dkwedge_gpt.c:140
[ 175.1853410] dkwedge_discover() at netbsd:dkwedge_discover+0x27c sys/dev/dkwedge/dk.c:978
[ 175.2553434] disk_ioctl() at netbsd:disk_ioctl+0x411 sys/kern/subr_disk.c:638
[ 175.3353414] dk_ioctl() at netbsd:dk_ioctl+0x190 sys/dev/dksubr.c:642
[ 175.4053425] sdioctl() at netbsd:sdioctl+0x6b4 sys/dev/scsipi/sd.c:1006
[ 175.4753412] cdev_ioctl() at netbsd:cdev_ioctl+0x139 sys/kern/subr_devsw.c:1248
[ 175.5553491] spec_ioctl() at netbsd:spec_ioctl+0xf2 sys/miscfs/specfs/spec_vnops.c:1320
[ 175.6253444] VOP_IOCTL() at netbsd:VOP_IOCTL+0x149 sys/kern/vnode_if.c:934
[ 175.7053446] vn_ioctl() at netbsd:vn_ioctl+0x195 sys/kern/vfs_vnops.c:868
[ 175.7853420] sys_ioctl() at netbsd:sys_ioctl+0xd88 sys/kern/sys_generic.c:675
[ 175.8553438] sys___syscall() at netbsd:sys___syscall+0x1e4 sy_call sys/sys/syscallvar.h:65 [inline]
[ 175.8553438] sys___syscall() at netbsd:sys___syscall+0x1e4 sys/kern/sys_syscall.c:90
[ 175.9353440] syscall() at netbsd:syscall+0x2da sy_call sys/sys/syscallvar.h:65 [inline]
[ 175.9353440] syscall() at netbsd:syscall+0x2da sy_invoke sys/sys/syscallvar.h:94 [inline]
[ 175.9353440] syscall() at netbsd:syscall+0x2da sys/arch/x86/x86/syscall.c:138
[ 175.9553468] --- syscall (number 54 via SYS_syscall) ---
[ 175.9753429] netbsd:syscall+0x2da:
[ 175.9866962] cpu0: End traceback...
[ 175.9866962] fatal breakpoint trap in supervisor mode
[ 175.9955764] trap type 1 code 0 rip 0xffffffff80221ab5 cs 0x8 rflags 0x246 cr2 0x791c93092630 ilevel 0 rsp 0xffffdc02514a46a0
[ 176.0064835] curlwp 0xfffffdc3b47891c0 pid 14294.14427 lowest kstack 0xffffdc02514a02c0
Stopped in pid 14294.14427 (syz-executor.3) at netbsd:breakpoint+0x5: leave
?
breakpoint() at netbsd:breakpoint+0x5
db_panic() at netbsd:db_panic+0xec sys/ddb/db_panic.c:69
vpanic() at netbsd:vpanic+0x2f2 sys/kern/subr_prf.c:293
kern_assert() at netbsd:kern_assert+0x65 sys/arch/amd64/amd64/db_disasm.c:1074
dkwedge_read() at netbsd:dkwedge_read+0x43b sys/dev/dkwedge/dk.c:1026
dkwedge_discover_gpt() at netbsd:dkwedge_discover_gpt+0x1a8 sys/dev/dkwedge/dkwedge_gpt.c:140
dkwedge_discover() at netbsd:dkwedge_discover+0x27c sys/dev/dkwedge/dk.c:978
disk_ioctl() at netbsd:disk_ioctl+0x411 sys/kern/subr_disk.c:638
dk_ioctl() at netbsd:dk_ioctl+0x190 sys/dev/dksubr.c:642
sdioctl() at netbsd:sdioctl+0x6b4 sys/dev/scsipi/sd.c:1006
cdev_ioctl() at netbsd:cdev_ioctl+0x139 sys/kern/subr_devsw.c:1248
spec_ioctl() at netbsd:spec_ioctl+0xf2 sys/miscfs/specfs/spec_vnops.c:1320
VOP_IOCTL() at netbsd:VOP_IOCTL+0x149 sys/kern/vnode_if.c:934
vn_ioctl() at netbsd:vn_ioctl+0x195 sys/kern/vfs_vnops.c:868
sys_ioctl() at netbsd:sys_ioctl+0xd88 sys/kern/sys_generic.c:675
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+0x2da sy_call sys/sys/syscallvar.h:65 [inline]
syscall() at netbsd:syscall+0x2da sy_invoke sys/sys/syscallvar.h:94 [inline]
syscall() at netbsd:syscall+0x2da sys/arch/x86/x86/syscall.c:138
--- syscall (number 54 via SYS_syscall) ---
netbsd:syscall+0x2da:
Panic string: kernel diagnostic assertion "pdk->dk_rawvp != NULL" failed: file "/syzkaller/managers/ci2-netbsd-kubsan/kernel/sys/dev/dkwedge/dk.c", line 1026
PID LID S CPU FLAGS STRUCT LWP * NAME WAIT
14301 14157 3 1 100000 fffffdc3ae4daac0 syz-executor.1 tstile
14301 14301 3 1 10000000 fffffdc3b49172c0 syz-executor.1 lwpwait
1375 1239 3 1 180 fffffdc3a50db4c0 syz-executor.5 parked
1375 1375 2 0 10000000 fffffdc3b436ab00 syz-executor.5
12751 12751 2 0 0 fffffdc3b436a6c0 syz-executor.4
9305 9305 2 0 0 fffffdc3b2831300 syz-executor.2
14294>14427 7 0 0 fffffdc3b47891c0 syz-executor.3
14294 14294 2 0 10000000 fffffdc3b4789a40 syz-executor.3
578 1605 3 1 0 fffffdc3b45e9200 syz-executor.0 lwpwait
578 6730 2 0 100100 fffffdc3b1092b00 syz-executor.0
11339 11339 3 1 180 fffffdc3b30e8900 syz-executor.1 parked
13773 13773 3 1 180 fffffdc3b34f7a00 syz-executor.4 parked
12111 12111 3 0 180 fffffdc3b25369c0 syz-executor.5 parked
9324 9324 2 1 140 fffffdc3b30e8080 syz-executor.1
9134 9134 3 1 180 fffffdc3b10926c0 syz-executor.1 parked
8893 8893 3 0 180 fffffdc3b39f9100 syz-executor.1 parked
8921 8495 3 1 1100000 fffffdc3a50db080 syz-executor.1 vfork
8921 8921 2 0 11000040 fffffdc3b2536580 syz-executor.1
1234 >1234 7 1 140 fffffdc3a7f48a80 syz-executor.5
828 828 2 1 140 fffffdc3a4b0e8c0 syz-executor.4
448 448 2 0 140 fffffdc3a538f940 syz-executor.3
1002 1002 2 1 140 fffffdc3a7f48640 syz-executor.2
991 991 2 0 140 fffffdc3a5dfe540 syz-executor.0
1223 4140 3 0 1c0 fffffdc3b2831b80 syz-fuzzer parked
1223 1237 3 1 180 fffffdc3a467eb40 syz-fuzzer parked
1223 988 3 1 180 fffffdc3a50db900 syz-fuzzer wait
1223 1236 3 1 180 fffffdc3a538f500 syz-fuzzer parked
1223 1107 2 0 140 fffffdc3a5dfe100 syz-fuzzer
1223 1131 3 1 180 fffffdc3a600a140 syz-fuzzer wait
1223 1225 3 1 180 fffffdc3a43d5280 syz-fuzzer wait
1223 1194 3 1 180 fffffdc3a6b19a40 syz-fuzzer wait
1223 1184 3 0 180 fffffdc3a6b19600 syz-fuzzer parked
1223 1228 3 1 180 fffffdc3a43d56c0 syz-fuzzer wait
1223 1076 3 0 180 fffffdc3a4a1e340 syz-fuzzer parked
1223 1083 3 1 1c0 fffffdc3a407c680 syz-fuzzer parked
1223 1221 2 0 140 fffffdc3a5f6a180 syz-fuzzer
1223 1223 3 1 180 fffffdc3a6b191c0 syz-fuzzer wait
1112 1112 3 0 180 fffffdc3a5f6aa00 sshd select
1081 1081 3 0 180 fffffdc3a5f6a5c0 getty nanoslp
1127 1127 3 0 180 fffffdc3a5dfe980 getty nanoslp
1072 1072 3 0 180 fffffdc3a407cac0 getty nanoslp
1001 1001 3 0 1c0 fffffdc3a2fd7a40 getty ttyraw
1094 1094 3 1 180 fffffdc3a600a580 sshd select
958 958 3 0 180 fffffdc3a600a9c0 powerd kqueue
693 693 3 0 180 fffffdc3a4b0e040 syslogd kqueue
465 465 3 0 180 fffffdc3a43d5b00 dhcpcd poll
599 599 3 1 180 fffffdc3a467e2c0 dhcpcd poll
547 547 3 0 180 fffffdc3a4d18740 dhcpcd poll
592 592 3 0 180 fffffdc3a4b0e480 dhcpcd poll
292 292 3 0 180 fffffdc3a4a1ebc0 dhcpcd poll
290 290 3 0 180 fffffdc3a4a1e780 dhcpcd poll
289 289 3 0 180 fffffdc3a467e700 dhcpcd poll
1 1 3 1 180 fffffdc39be53100 init wait
0 1374 5 1 200 fffffdc3b45e9a80 (zombie)
0 509 3 1 200 fffffdc3b249c040 ktrace ktrwait
0 6117 3 0 200 fffffdc3a538f0c0 ktrace ktrwait
0 895 3 0 200 fffffdc3a407f200 physiod physiod
0 195 3 0 200 fffffdc3a407c240 pooldrain pooldrain
0 194 2 0 240 fffffdc3a407fa80 ioflush
0 193 3 1 200 fffffdc3a407f640 pgdaemon pgdaemon
0 169 3 1 200 fffffdc3a2fd7600 usb7 usbevt
0 168 3 1 200 fffffdc3a2fd71c0 usb6 usbevt
0 167 3 1 200 fffffdc39ff42a00 usb5 usbevt
0 166 3 0 200 fffffdc39ff425c0 usb4 usbevt
0 165 3 0 200 fffffdc39ff42180 usb3 usbevt
0 31 3 1 200 fffffdc39cef59c0 usb2 usbevt
0 63 3 1 200 fffffdc39cef5580 usb1 usbevt
0 126 3 0 200 fffffdc39cef5140 usb0 usbevt
0 125 3 1 200 fffffdc39be53980 usbtask-dr usbtsk
0 124 3 1 200 fffffdc39a2a9b00 usbtask-hc usbtsk
0 123 3 0 200 fffffdc39be53540 npfgc0 npfgcw
0 122 3 1 200 fffffdc39be2e940 rt_free rt_free
0 121 3 1 200 fffffdc39be2e500 unpgc unpgc
0 120 2 0 200 fffffdc39be2e0c0 key_timehandler
0 119 3 1 200 fffffdc39be41900 icmp6_wqinput/1 icmp6_wqinput
0 118 3 0 200 fffffdc39be414c0 icmp6_wqinput/0 icmp6_wqinput
0 117 2 0 200 fffffdc39be41080 nd6_timer
0 116 3 1 200 fffffdc39be1c8c0 carp6_wqinput/1 carp6_wqinput
0 115 3 0 200 fffffdc39be1c480 carp6_wqinput/0 carp6_wqinput
0 114 3 1 200 fffffdc39be1c040 carp_wqinput/1 carp_wqinput
0 113 3 0 200 fffffdc39bce0740 carp_wqinput/0 carp_wqinput
0 112 3 1 200 fffffdc39bce0b80 icmp_wqinput/1 icmp_wqinput
0 111 3 0 200 fffffdc39bdd7340 icmp_wqinput/0 icmp_wqinput
0 110 2 0 200 fffffdc39bdd7bc0 rt_timer
0 109 3 0 200 fffffdc39bdd7780 vmem_rehash vmem_rehash
0 100 3 0 200 fffffdc39bce0300 entbutler entropy
0 99 3 0 200 fffffdc39b748b40 viomb balloon
0 98 3 1 200 fffffdc39b748700 vioif0_txrx/1 vioif0_txrx
0 97 3 0 200 fffffdc39b7482c0 vioif0_txrx/0 vioif0_txrx
0 30 3 1 200 fffffdc39a2a96c0 scsibus0 sccomp
0 29 3 0 200 fffffdc39a2a9280 pms0 pmsreset
0 28 3 1 200 fffffdc39a1acac0 xcall/1 xcall
0 27 1 1 200 fffffdc39a1ac680 softser/1
0 26 1 1 200 fffffdc39a1ac240 softclk/1
0 25 1 1 200 fffffdc39a187a80 softbio/1
0 24 1 1 200 fffffdc39a187640 softnet/1
0 23 1 1 201 fffffdc39a187200 idle/1
0 22 3 1 200 fffffdc4c852da40 lnxsyswq lnxsyswq
0 21 3 1 200 fffffdc4c852d600 lnxubdwq lnxubdwq
0 20 3 1 200 fffffdc4c852d1c0 lnxpwrwq lnxpwrwq
0 19 3 1 200 fffffdc4c8534a00 lnxlngwq lnxlngwq
0 18 3 1 200 fffffdc4c85345c0 lnxhipwq lnxhipwq
0 17 3 1 200 fffffdc4c8534180 lnxrcugc lnxrcugc
0 16 3 0 200 fffffdc4c85539c0 sysmon smtaskq
0 15 3 1 200 fffffdc4c8553580 pmfsuspend pmfsuspend
0 14 3 0 200 fffffdc4c8553140 pmfevent pmfevent
0 13 3 1 200 fffffdc4c855e980 sopendfree sopendfr
0 12 3 0 200 fffffdc4c855e540 ifwdog ifwdog
0 11 3 1 200 fffffdc4c855e100 iflnkst iflnkst
0 10 3 1 200 fffffdc4c9595940 nfssilly nfssilly
0 9 3 0 200 fffffdc4c9595500 vdrain vdrain
0 8 3 1 200 fffffdc4c95950c0 modunload mod_unld
0 7 3 0 200 fffffdc4c95ba900 xcall/0 xcall
0 6 1 0 200 fffffdc4c95ba4c0 softser/0
0 5 1 0 200 fffffdc4c95ba080 softclk/0
0 4 1 0 200 fffffdc4c95eb8c0 softbio/0
0 3 1 0 200 fffffdc4c95eb480 softnet/0
0 2 1 0 201 fffffdc4c95eb040 idle/0
0 0 2 0 240 ffffffff86741080 swapper
[Locks tracked through LWPs]

****** LWP 14301.14157 (syz-executor.1) @ 0xfffffdc3ae4daac0, l_stat=3

*** Locks held:

* Lock 0 (initialized at vcache_alloc)
lock address : 0xfffffdc39bde5980 type : sleep/adaptive
initialized : 0xffffffff839e72e1
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xfffffdc3ae4daac0 last held: 0xfffffdc3ae4daac0
last locked* : 0xffffffff83a47b50 unlocked : 0xffffffff83a47cd4
owner/count : 000000000000000000 flags : 000000000000000000
Turnstile: no active turnstile for this lock.

* Lock 1 (initialized at bufinit)
lock address : 0xffffffff86be1940 type : sleep/adaptive
initialized : 0xffffffff83977a3b
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xfffffdc3ae4daac0 last held: 0xfffffdc3ae4daac0
last locked* : 0xffffffff839bca1f unlocked : 0xffffffff839bd6ef
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

*** Locks wanted:

* Lock 0 (initialized at vcache_alloc)
lock address : 0xfffffdc4c9a6a880 type : sleep/adaptive
initialized : 0xffffffff839e72ed
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 1
relevant cpu : 1 last held: 1
relevant lwp : 0xfffffdc3ae4daac0 last held: 000000000000000000
last locked : 0xffffffff8397a152 unlocked*: 0xffffffff8397a253
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 12751.12751 (syz-executor.4) @ 0xfffffdc3b436a6c0, l_stat=2

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at cwdi_ctor)
lock address : 0xfffffdc3a48de740 type : sleep/adaptive
initialized : 0xffffffff83991c26
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 1
relevant cpu : 0 last held: 65535
relevant lwp : 0xfffffdc3b436a6c0 last held: 000000000000000000
last locked : 0xffffffff839a843a unlocked*: 0xffffffff839a8785
owner/count : 000000000000000000 flags : 000000000000000000
Turnstile: no active turnstile for this lock.

****** LWP 14294.14427 (syz-executor.3) @ 0xfffffdc3b47891c0, l_stat=7

*** Locks held:

* Lock 0 (initialized at disk_init)
lock address : 0xfffffdc39bce4410 type : sleep/adaptive
initialized : 0xffffffff837f9565
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xfffffdc3b47891c0 last held: 0xfffffdc3b47891c0
last locked* : 0xffffffff83a8deda unlocked : 0xffffffff83a8e1b6
owner field : 0xfffffdc3b47891c0 wait/spin: 1/0
Turnstile:
=> 0 waiting readers:
=> 1 waiting writers: 0xfffffdc3ae4daac0

*** Locks wanted:

* Lock 0 (initialized at config_init)
lock address : 0xffffffff86ca9b90 type : sleep/adaptive
initialized : 0xffffffff837cdb0a
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 1
relevant lwp : 0xfffffdc3b47891c0 last held: 000000000000000000
last locked : 0xffffffff837d308c unlocked*: 0xffffffff837d327c
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 599.599 (dhcpcd) @ 0xfffffdc3a467e2c0, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at module_hook_init)
lock address : 0xffffffff86bd7ac0 type : sleep/adaptive
initialized : 0xffffffff83705787
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xfffffdc3a467e2c0 last held: 000000000000000000
last locked : 000000000000000000 unlocked*: 000000000000000000
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 547.547 (dhcpcd) @ 0xfffffdc3a4d18740, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at module_hook_init)
lock address : 0xffffffff86bd7ac0 type : sleep/adaptive
initialized : 0xffffffff83705787
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xfffffdc3a4d18740 last held: 000000000000000000
last locked : 000000000000000000 unlocked*: 000000000000000000
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 290.290 (dhcpcd) @ 0xfffffdc3a4a1e780, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at module_hook_init)
lock address : 0xffffffff86bd7ac0 type : sleep/adaptive
initialized : 0xffffffff83705787
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xfffffdc3a4a1e780 last held: 000000000000000000
last locked : 000000000000000000 unlocked*: 000000000000000000
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 289.289 (dhcpcd) @ 0xfffffdc3a467e700, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at module_hook_init)
lock address : 0xffffffff86bd7ac0 type : sleep/adaptive
initialized : 0xffffffff83705787
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xfffffdc3a467e700 last held: 000000000000000000
last locked : 000000000000000000 unlocked*: 000000000000000000
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 0.11 (iflnkst) @ 0xfffffdc4c855e100, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at module_hook_init)
lock address : 0xffffffff86bd7ac0 type : sleep/adaptive
initialized : 0xffffffff83705787
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xfffffdc4c855e100 last held: 000000000000000000
last locked : 000000000000000000 unlocked*: 000000000000000000
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 0.5 (softclk/0) @ 0xfffffdc4c95ba080, l_stat=1

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at module_hook_init)
lock address : 0xffffffff86bd7ac0 type : sleep/adaptive
initialized : 0xffffffff83705787
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xfffffdc4c95ba080 last held: 000000000000000000
last locked : 000000000000000000 unlocked*: 000000000000000000
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 0.0 (swapper) @ 0xffffffff86741080, l_stat=2

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at module_hook_init)
lock address : 0xffffffff86bd7ac0 type : sleep/adaptive
initialized : 0xffffffff83705787
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xffffffff86741080 last held: 000000000000000000
last locked : 000000000000000000 unlocked*: 000000000000000000
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 kprintf_init)
lock address : 0xffffffff86cbb6e8 type : spin
initialized : 0xffffffff8384ffd3
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xfffffdc3b47891c0 last held: 0xfffffdc3b47891c0
last locked* : 0xffffffff83850061 unlocked : 0xffffffff838500dc
owner field : 0x0000000000000800 wait/spin: 0/1

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

* Lock 0 (initialized at main)
lock address : 0xffffffff86bd79c0 type : spin
initialized : 0xffffffff83ff4686
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xfffffdc3a7f48a80 last held: 0xfffffdc3ae4daac0
last locked* : 0xffffffff837d2f36 unlocked : 0xffffffff837d3539
curcpu holds : 0 wanted by: 000000000000000000

PAGE FLAG PQ UOBJECT UANON
0xffffdc0000007180 0045 00000000 0x0 0x0
0xffffdc0000007200 0045 00000000 0x0 0x0
0xffffdc0000007280 0045 00000000 0x0 0x0
0xffffdc0000007300 0045 00000000 0x0 0x0
0xffffdc0000007380 0045 00000000 0x0 0x0
0xffffdc0000007400 0045 00000000 0x0 0x0
0xffffdc0000007480 0045 00000000 0x0 0x0
0xffffdc0000007500 0045 00000000 0x0 0x0
0xffffdc0000007580 0045 00000000 0x0 0x0
0xffffdc0000007600 0045 00000000 0x0 0x0
0xffffdc0000007680 0041 00000000 0x0 0x0
0xffffdc0000007700 0041 00000000 0x0 0x0
0xffffdc0000007780 0041 00000000 0x0 0x0
0xffffdc0000007800 0041 00000000 0x0 0x0
0xffffdc0000007880 0045 00000000 0x0 0x0
0xffffdc0000007900 0045 00000000 0x0 0x0
0xffffdc0000007980 0041 00000000 0x0 0x0
0xffffdc0000007a00 0041 00000000 0x0 0x0
0xffffdc0000007a80 0041 00000000 0x0 0x0
0xffffdc0000007b00 0041 00000000 0x0 0x0
0xffffdc0000007b80 0041 00000000 0x0 0x0
0xffffdc0000007c00 0041 00000000 0x0 0x0
0xffffdc0000007c80 0041 00000000 0x0 0x0
0xffffdc0000007d00 0041 00000000 0x0 0x0
0xffffdc0000007d80 0041 00000000 0x0 0x0
0xffffdc0000007e00 0041 00000000 0x0 0x0
0xffffdc0000007e80 0041 00000000 0x0 0x0
0xffffdc0000007f00 0041 00000000 0x0 0x0
0xffffdc0000007f80 0041 00000000 0x0 0x0
0xffffdc0000008000 0041 00000000 0x0 0x0
0xffffdc0000008080 0041 00000000 0x0 0x0
0xffffdc0000008100 0041 00000000 0x0 0x0
0xffffdc0000008180 0041 00000000 0x0 0x0
0xffffdc0000008200 0041 00000000 0x0 0x0
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0xffffdc0000016f80 0001 00000000 0x0 0x0
0xffffdc0000017000 0001 00000000 0x0 0x0
0xffffdc0000017080 0001 00000000 0x0 0x0
0xffffdc0000017100 0001 00000000 0x0 0x0
0xffffdc0000017180 0001 00000000 0x0 0x0
0xffffdc0000017200 0001 00000000 0x0 0x0
0xffffdc0000017280 0001 00000000 0x0 0x0
0xffffdc0000017300 0001 00000000 0x0 0x0
0xffffdc0000017380 0001 00000000 0x0 0x0
0xffffdc0000017400 0001 00000000 0x0 0x0
0xffffdc0000017480 0001 00000000 0x0 0x0
0xffffdc0000017500 0001 00000000 0x0 0x0
0xffffdc0000017580 0001 00000000 0x0 0x0
0xffffdc0000017600 0001 00000000 0x0 0x0
0xffffdc0000017680 0001 00000000 0x0 0x0
0xffffdc0000017700 0001 00000000 0x0 0x0
0xffffdc0000017780 0001 00000000 0x0 0x0
0xffffdc0000017800 0041 00000000 0x0 0x0
0xffffdc0000017880 0041 00000000 0x0 0x0
0xffffdc0000017900 0041 00000000 0x0 0x0
0xffffdc0000017980 0041 00000000 0x0 0x0
0xffffdc0000017a00 0041 00000000 0x0 0x0
0xffffdc0000017a80 0041 00000000 0x0 0x0
0xffffdc0000017b00 0041 00000000 0x0 0x0
0xffffdc0000017b80 0041 00000000 0x0 0x0
0xffffdc0000017c00 0041 00000000 0x0 0x0
0xffffdc0000017c80 0041 00000000 0x0 0x0
0xffffdc0000017d00 0041 00000000 0x0 0x0
0xffffdc0000017d80 0041 00000000 0x0 0x0
0xffffdc0000017e00 0041 00000000 0x0 0x0
0xffffdc0000017e80 0041 00000000 0x0 0x0
0xffffdc0000017f00 0041 00000000 0x0 0x0
0xffffdc0000017f80 0041 00000000 0x0 0x0
0xffffdc0000018000 0041 00000000 0x0 0x0
0xffffdc0000018080 0041 00000000 0x0 0x0
0xffffdc0000018100 0041 00000000 0x0 0x0
0xffffdc0000018180 0041 00000000 0x0 0x0
0xffffdc0000018200 0041 00000000 0x0 0x0
0xffffdc0000018280 0041 00000000 0x0 0x0
0xffffdc0000018300 0041 00000000 0x0 0x0
0xffffdc0000018380 0041 00000000 0x0 0x0
0xffffdc0000018400 0041 00000000 0x0 0x0
0xffffdc0000018480 0041 00000000 0x0 0x0
0xffffdc0000018500 0041 00000000 0x0 0x0
0xffffdc0000018580 0041 00000000 0x0 0x0
0xffffdc0000018600 0041 00000000 0x0 0x0
0xffffdc0000018680 0041 00000000 0x0 0x0
0xffffdc0000018700 0041 00000000 0x0 0x0
0xffffdc0000018780 0041 00000000 0x0 0x0
0xffffdc0000018800 0041 00000000 0x0 0x0
0xffffdc0000018880 0041 00000000 0x0 0x0
0xffffdc0000018900 0041 00000000 0x0 0x0
0xffffdc0000018980 0041 00000000 0x0 0x0
0xffffdc0000018a00 0041 00000000 0x0 0x0
0xffffdc0000018a80 0041 00000000 0x0 0x0
0xffffdc0000018b00 0041 00000000 0x0 0x0
0xffffdc0000018b80 0041 00000000 0x0 0x0
0xffffdc0000018c00 0041 00000000 0x0 0x0
0xffffdc0000018c80 0041 00000000 0x0 0x0
0xffffdc0000018d00 0041 00000000 0x0 0x0
0xffffdc0000018d80 0001 00000000 0x0 0x0
0xffffdc0000018e00 0001 00000000 0x0 0x0
0xffffdc0000018e80 0001 00000000 0x0 0x0
0xffffdc0000018f00 0001 00000000 0x0 0x0
0xffffdc0000018f80 0001 00000000 0x0 0x0
0xffffdc0000019000 0001 00000000 0x0 0x0
0xffffdc0000019080 0001 00000000 0x0 0x0
0xffffdc0000019100 0001 00000000 0x0 0x0
0xffffdc0000019180 0001 00000000 0x0 0x0
0xffffdc0000019200 0001 00000000 0x0 0x0
0xffffdc0000019280 0001 00000000 0x0 0x0
0xffffdc0000019300 0001 00000000 0x0 0x0
0xffffdc0000019380 0001 00000000 0x0 0x0
0xffffdc0000019400 0001 00000000 0x0 0x0
0xffffdc0000019480 0001 00000000 0x0 0x0
0xffffdc0000019500 0001 00000000 0x0 0x0
0xffffdc0000019580 0001 00000000 0x0 0x0
0xffffdc0000019600 0001 00000000 0x0 0x0
0xffffdc0000019680 0001 00000000 0x0 0x0
0xffffdc0000019700 0001 00000000 0x0 0x0
0xffffdc0000019780 0001 00000000 0x0 0x0
0xffffdc0000019800 0001 00000000 0x0 0x0
0xffffdc0000019880 0001 00000000 0x0 0x0
0xffffdc0000019900 0001 00000000 0x0 0x0
0xffffdc0000019980 0001 00000000 0x0 0x0
0xffffdc0000019a00 0001 00000000 0x0 0x0
0xffffdc0000019a80 0001 00000000 0x0 0x0
0xffffdc0000019b00 0001 00000000 0x0 0x0
0xffffdc0000019b80 0001 00000000 0x0 0x0
0xffffdc0000019c00 0001 00000000 0x0 0x0
0xffffdc0000019c80 0001 00000000 0x0 0x0
0xffffdc0000019d00 0001 00000000 0x0 0x0
0xffffdc0000019d80 0001 00000000 0x0 0x0
0xffffdc0000019e00 0001 00000000 0x0 0x0
0xffffdc0000019e80 0001 00000000 0x0 0x0
0xffffdc0000019f00 0001 00000000 0x0 0x0
0xffffdc0000019f80 0001 00000000 0x0 0x0
0xffffdc000001a000 0001 00000000 0x0 0x0
0xffffdc000001a080 0001 00000000 0x0 0x0
0xffffdc000001a100 0001 00000000 0x0 0x0
0xffffdc000001a180 0001 00000000 0x0 0x0
0xffffdc000001a200 0001 00000000 0x0 0x0
0xffffdc000001a280 0001 00000000 0x0 0x0
0xffffdc000001a300 0001 00000000 0x0 0x0
0xffffdc000001a380 0001 00000000 0x0 0x0
0xffffdc000001a4

---
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unread,
Jul 16, 2023, 2:43:44 AM7/16/23
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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