UBSan: Undefined Behavior in genfs_getpages

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syzbot

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Jun 7, 2024, 9:25:23 PMJun 7
to syzkaller-...@googlegroups.com
Hello,

syzbot found the following issue on:

HEAD commit: e5717105ade4 libc/locale: Nix needless size_t casts.
git tree: netbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1543179a980000
kernel config: https://syzkaller.appspot.com/x/.config?x=1420f906d33d9f1f
dashboard link: https://syzkaller.appspot.com/bug?extid=8ff504fde74205d7999b
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/ad29a46b4545/disk-e5717105.raw.xz
netbsd.gdb: https://storage.googleapis.com/syzbot-assets/04bfd7d10379/netbsd-e5717105.gdb.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+8ff504...@syzkaller.appspotmail.com

[ 51.6896685] panic: UBSan: Undefined Behavior in /syzkaller/managers/ci2-netbsd-kubsan/kernel/sys/miscfs/genfs/genfs_io.c:166:2, member access within null pointer of type 'struct genfs_node'

[ 51.7074764] cpu0: Begin traceback...
[ 51.7496566] vpanic() at netbsd:vpanic+0x2f0 sys/kern/subr_prf.c:288
[ 51.8896556] Report() at netbsd:Report+0x3b sys/../common/lib/libc/misc/ubsan.c:1352
[ 52.0096547] HandleTypeMismatch() at netbsd:HandleTypeMismatch+0x1fb sys/../common/lib/libc/misc/ubsan.c:429
[ 52.1096546] genfs_getpages() at netbsd:genfs_getpages+0x3bfa sys/miscfs/genfs/genfs_io.c:166
[ 52.2096564] VOP_GETPAGES() at netbsd:VOP_GETPAGES+0x168 sys/kern/vnode_if.c:1946
[ 52.3196549] uvn_get() at netbsd:uvn_get+0xa4 sys/uvm/uvm_vnode.c:189
[ 52.4296666] ra_startio() at netbsd:ra_startio+0x160 sys/uvm/uvm_readahead.c:161
[ 52.5296582] uvm_readahead() at netbsd:uvm_readahead+0x50 sys/uvm/uvm_readahead.c:361
[ 52.6396831] vn_posix_fadvise() at netbsd:vn_posix_fadvise+0x280 sys/kern/vfs_vnops.c:1302
[ 52.7497030] sys___posix_fadvise50() at netbsd:sys___posix_fadvise50+0xf9 sys/kern/sys_descrip.c:697
[ 52.8496786] sys___syscall() at netbsd:sys___syscall+0x1e4 sy_call sys/sys/syscallvar.h:65 [inline]
[ 52.8496786] sys___syscall() at netbsd:sys___syscall+0x1e4 sys/kern/sys_syscall.c:90
[ 52.9496555] syscall() at netbsd:syscall+0x28b sy_call sys/sys/syscallvar.h:65 [inline]
[ 52.9496555] syscall() at netbsd:syscall+0x28b sy_invoke sys/sys/syscallvar.h:94 [inline]
[ 52.9496555] syscall() at netbsd:syscall+0x28b sys/arch/x86/x86/syscall.c:137
[ 52.9796558] --- syscall (number 416 via SYS_syscall) ---
[ 53.0096561] netbsd:syscall+0x28b:
[ 53.0096561] cpu0: End traceback...
[ 53.0204778] fatal breakpoint trap in supervisor mode
[ 53.0204778] trap type 1 code 0 rip 0xffffffff80235475 cs 0x8 rflags 0x246 cr2 0x1b3102d000 ilevel 0 rsp 0xffffcb024845b5b0
[ 53.0361783] curlwp 0xffffc9401cd17480 pid 1197.587 lowest kstack 0xffffcb02484572c0
Stopped in pid 1197.587 (syz-executor.4) 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
Report() at netbsd:Report+0x3b sys/../common/lib/libc/misc/ubsan.c:1352
HandleTypeMismatch() at netbsd:HandleTypeMismatch+0x1fb sys/../common/lib/libc/misc/ubsan.c:429
genfs_getpages() at netbsd:genfs_getpages+0x3bfa sys/miscfs/genfs/genfs_io.c:166
VOP_GETPAGES() at netbsd:VOP_GETPAGES+0x168 sys/kern/vnode_if.c:1946
uvn_get() at netbsd:uvn_get+0xa4 sys/uvm/uvm_vnode.c:189
ra_startio() at netbsd:ra_startio+0x160 sys/uvm/uvm_readahead.c:161
uvm_readahead() at netbsd:uvm_readahead+0x50 sys/uvm/uvm_readahead.c:361
vn_posix_fadvise() at netbsd:vn_posix_fadvise+0x280 sys/kern/vfs_vnops.c:1302
sys___posix_fadvise50() at netbsd:sys___posix_fadvise50+0xf9 sys/kern/sys_descrip.c:697
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 416 via SYS_syscall) ---
netbsd:syscall+0x28b:
Panic string: UBSan: Undefined Behavior in /syzkaller/managers/ci2-netbsd-kubsan/kernel/sys/miscfs/genfs/genfs_io.c:166:2, member access within null pointer of type 'struct genfs_node'

PID LID S CPU FLAGS STRUCT LWP * NAME WAIT
1579 1579 2 0 0 ffffc94010986a80 syz-fuzzer
1503 592 3 0 180 ffffc94010986200 syz-executor.5 parked
1503 1503 2 1 10000000 ffffc9401c897340 syz-executor.5
1197 > 587 7 0 0 ffffc9401cd17480 syz-executor.4
1197 1197 2 0 10000000 ffffc94010d06b40 syz-executor.4
1467 581 3 0 180 ffffc9401cd178c0 syz-executor.2 parked
1467 588 3 0 180 ffffc9401cd17040 syz-executor.2 parked
1467 1467 2 0 10000000 ffffc94010ad3280 syz-executor.2
1203 1203 2 0 140 ffffc9400ea94ac0 syz-executor.5
1074 1074 2 1 140 ffffc9400fd940c0 syz-executor.2
1106 1106 3 1 180 ffffc9400edeeb00 syz-executor.0 pipe_rd
1199 1199 2 1 1000000 ffffc9400f236080 syz-executor.3
1236 1236 2 1 140 ffffc940133d1300 syz-executor.4
1080 1478 2 0 0 ffffc9401c897bc0 syz-fuzzer
1080 1207 2 0 0 ffffc94010ad3b00 syz-fuzzer
1080 1241 3 1 180 ffffc9400fd94500 syz-fuzzer wait
1080 1120 3 1 180 ffffc9400f2628c0 syz-fuzzer pipe_rd
1080 1244 3 1 180 ffffc9400ee4f2c0 syz-fuzzer wait
1080 990 3 1 180 ffffc9400ee4fb40 syz-fuzzer wait
1080 1239 3 1 180 ffffc9400f2364c0 syz-fuzzer wait
1080 1223 3 0 180 ffffc9400f236900 syz-fuzzer parked
1080 449 3 0 180 ffffc9400fc9c580 syz-fuzzer parked
1080 1229 2 0 0 ffffc9400ee4f700 syz-fuzzer
1080 1233 3 1 180 ffffc9400fd94940 syz-fuzzer wait
1080 > 1231 7 1 140 ffffc9400fe2c100 syz-fuzzer
1080 1080 3 0 180 ffffc9400f14f340 syz-fuzzer parked
1235 1235 3 0 180 ffffc9400f14f780 sshd select
1225 1225 3 0 180 ffffc9400f14fbc0 getty nanoslp
1216 1216 3 0 180 ffffc94010ad36c0 getty nanoslp
1224 1224 3 1 180 ffffc9400edee280 getty nanoslp
1184 1184 3 0 180 ffffc9400eacf200 getty ttyraw
1109 1109 3 0 180 ffffc94010d062c0 sshd select
1023 1023 3 1 180 ffffc94010a47ac0 powerd kqueue
700 700 3 1 180 ffffc940100415c0 syslogd kqueue
746 746 3 0 180 ffffc9400f262040 dhcpcd poll
747 747 3 0 180 ffffc9400fe2c540 dhcpcd poll
742 742 3 1 180 ffffc9400fe2c980 dhcpcd poll
602 602 3 1 180 ffffc9400f1b7b80 dhcpcd poll
292 292 3 0 180 ffffc9400f1b7740 dhcpcd poll
485 485 3 1 180 ffffc9400f1b7300 dhcpcd poll
291 291 3 1 180 ffffc9400f262480 dhcpcd poll
1 1 3 0 180 ffffc9400689f100 init wait
0 673 3 0 200 ffffc9400eacf640 physiod physiod
0 196 3 0 200 ffffc9400ea94680 pooldrain pooldrain
0 195 2 0 240 ffffc9400ea94240 ioflush
0 194 3 1 200 ffffc9400eacfa80 pgdaemon pgdaemon
0 170 3 1 200 ffffc9400c9dea40 usb7 usbevt
0 169 3 1 200 ffffc9400c9de600 usb6 usbevt
0 168 3 1 200 ffffc9400c9de1c0 usb5 usbevt
0 167 3 0 200 ffffc94009949a00 usb4 usbevt
0 166 3 0 200 ffffc940099495c0 usb3 usbevt
0 165 3 0 200 ffffc94009949180 usb2 usbevt
0 31 3 0 200 ffffc940078f49c0 usb1 usbevt
0 63 3 0 200 ffffc940078f4580 usb0 usbevt
0 126 3 1 200 ffffc940078f4140 usbtask-dr usbtsk
0 125 3 1 200 ffffc9400689f980 usbtask-hc usbtsk
0 124 3 0 200 ffffc94004c95b00 swwreboot swwreboot
0 123 2 0 240 ffffc9400689f540 npfgc0
0 122 3 1 200 ffffc9400685d940 rt_free rt_free
0 121 3 1 200 ffffc9400685d500 unpgc unpgc
0 120 2 0 200 ffffc9400685d0c0 key_timehandler
0 119 3 1 200 ffffc9400684f900 icmp6_wqinput/1 icmp6_wqinput
0 118 3 0 200 ffffc9400684f4c0 icmp6_wqinput/0 icmp6_wqinput
0 117 2 0 200 ffffc9400684f080 nd6_timer
0 116 3 1 200 ffffc9400682b8c0 carp6_wqinput/1 carp6_wqinput
0 115 3 0 200 ffffc9400682b480 carp6_wqinput/0 carp6_wqinput
0 114 3 1 200 ffffc9400682b040 carp_wqinput/1 carp_wqinput
0 113 3 0 200 ffffc940067debc0 carp_wqinput/0 carp_wqinput
0 112 3 1 200 ffffc940066ff740 icmp_wqinput/1 icmp_wqinput
0 111 3 0 200 ffffc940066ffb80 icmp_wqinput/0 icmp_wqinput
0 110 2 0 200 ffffc940067de340 rt_timer
0 109 3 0 200 ffffc940067de780 vmem_rehash vmem_rehash
0 100 3 1 200 ffffc940066ff300 entbutler entropy
0 99 3 1 200 ffffc9400613eb40 viomb balloon
0 98 3 1 200 ffffc9400613e700 vioif0_txrx/1 vioif0_txrx
0 97 3 0 200 ffffc9400613e2c0 vioif0_txrx/0 vioif0_txrx
0 30 3 1 200 ffffc94004c956c0 scsibus0 sccomp
0 29 3 0 200 ffffc94004c95280 pms0 pmsreset
0 28 3 1 200 ffffc94004bb5ac0 xcall/1 xcall
0 27 1 1 200 ffffc94004bb5680 softser/1
0 26 1 1 200 ffffc94004bb5240 softclk/1
0 25 1 1 200 ffffc94004b98a80 softbio/1
0 24 1 1 200 ffffc94004b98640 softnet/1
0 23 1 1 201 ffffc94004b98200 idle/1
0 22 3 0 200 ffffc94132f33a40 lnxsyswq lnxsyswq
0 21 3 0 200 ffffc94132f33600 lnxubdwq lnxubdwq
0 20 3 0 200 ffffc94132f331c0 lnxpwrwq lnxpwrwq
0 19 3 1 200 ffffc94132f42a00 lnxlngwq lnxlngwq
0 18 3 1 200 ffffc94132f425c0 lnxhipwq lnxhipwq
0 17 3 1 200 ffffc94132f42180 lnxrcugc lnxrcugc
0 16 3 0 200 ffffc94132f599c0 sysmon smtaskq
0 15 3 1 200 ffffc94132f59580 pmfsuspend pmfsuspend
0 14 3 1 200 ffffc94132f59140 pmfevent pmfevent
0 13 3 0 200 ffffc94132f6c980 sopendfree sopendfr
0 12 3 0 200 ffffc94132f6c540 ifwdog ifwdog
0 11 3 0 200 ffffc94132f6c100 iflnkst iflnkst
0 10 3 1 200 ffffc94133f97940 nfssilly nfssilly
0 9 3 1 200 ffffc94133f97500 pooldisp pooldisp
0 8 3 1 200 ffffc94133f970c0 modunload mod_unld
0 7 3 0 200 ffffc94133fc2900 xcall/0 xcall
0 6 1 0 200 ffffc94133fc24c0 softser/0
0 5 1 0 200 ffffc94133fc2080 softclk/0
0 4 1 0 200 ffffc94133fed8c0 softbio/0
0 3 1 0 200 ffffc94133fed480 softnet/0
0 2 1 0 201 ffffc94133fed040 idle/0
0 0 2 0 240 ffffffff86795cc0 swapper
[Locks tracked through LWPs]

****** LWP 1197.587 (syz-executor.4) @ 0xffffc9401cd17480, l_stat=7

*** Locks held:

* Lock 0 (initialized at netbsd:uvm_obj_init+0xee sys/uvm/uvm_object.c:70)
lock address : ffffc9401cf90640
type : sleep/adaptive
initialized : netbsd:uvm_obj_init+0xee
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xffffc9401cd17480 last held: 0xffffc9401cd17480
last locked* : netbsd:uvm_readahead+0x42
unlocked : netbsd:tmpfs_init_vnode+0x23d
owner/count : 0xffffc9401cd17480 flags : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted:

* Lock 0 (initialized at netbsd:config_init+0x71 sys/kern/subr_autoconf.c:366)
lock address : netbsd:config_misc_lock
type : sleep/adaptive
initialized : netbsd:config_init+0x71
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xffffc9401cd17480 last held: 000000000000000000
last locked : netbsd:config_process_deferred+0x45
unlocked* : netbsd:config_attach_pseudo_acquire+0x208
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 1467.588 (syz-executor.2) @ 0xffffc9401cd17040, 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 : 0xffffc9401cd17040 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 1199.1199 (syz-executor.3) @ 0xffffc9400f236080, l_stat=2

*** Locks held:

* Lock 0 (initialized at netbsd:fork1+0x4c5 sys/kern/kern_fork.c:366)
lock address : ffffc9400ee99a90
type : sleep/adaptive
initialized : netbsd:fork1+0x4c5
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xffffc9400f236080 last held: 0xffffc9400f236080
last locked* : netbsd:exit1+0x393
unlocked : netbsd:execve_runproc+0x2c3b
owner/count : 0xffffc9400f236080 flags : 0x0000000000000004
Turnstile: no active turnstile for this lock.

* Lock 1 (initialized at netbsd:uvm_map_setup+0x282 sys/uvm/uvm_map.c:4786)
lock address : netbsd:kernel_map_store+0x8
type : sleep/adaptive
initialized : netbsd:uvm_map_setup+0x282
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xffffc9400f236080 last held: 0xffffc9400f236080
last locked* : netbsd:vm_map_lock+0x146
unlocked : netbsd:uvm_unmap1+0x6b
owner/count : 000000000000000000 flags : 000000000000000000
Turnstile: no active turnstile for this lock.

* Lock 2 (initialized at netbsd:uvm_obj_init+0xee sys/uvm/uvm_object.c:70)
lock address : ffffc94014183c40
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 : 0xffffc9400f236080 last held: 0xffffc9400f236080
last locked* : netbsd:uvm_map_lock_entry+0xe5
unlocked : netbsd:uvm_fault_lower_enter+0x840
owner/count : 0xffffc9400f236080 flags : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 1080.1120 (syz-fuzzer) @ 0xffffc9400f2628c0, l_stat=3

*** Locks held:

* Lock 0 (initialized at netbsd:vcache_alloc+0xbf sys/kern/vfs_vnode.c:1438)
lock address : ffffc940117312c0
type : sleep/adaptive
initialized : netbsd:vcache_alloc+0xbf
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xffffc9400f2628c0 last held: 0xffffc9400f2628c0
last locked* : netbsd:genfs_lock+0x220
unlocked : netbsd:genfs_unlock+0x50
owner/count : 000000000000000000 flags : 000000000000000000
Turnstile: no active turnstile for this lock.

* Lock 1 (initialized at netbsd:vcache_alloc+0xbf sys/kern/vfs_vnode.c:1438)
lock address : ffffc9401a725780
type : sleep/adaptive
initialized : netbsd:vcache_alloc+0xbf
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xffffc9400f2628c0 last held: 0xffffc9400f2628c0
last locked* : netbsd:genfs_lock+0x220
unlocked : 0
owner/count : 000000000000000000 flags : 000000000000000000
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 747.747 (dhcpcd) @ 0xffffc9400fe2c540, 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 : 0xffffc9400fe2c540 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) @ 0xffffc9400fe2c980, 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 : 0xffffc9400fe2c980 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) @ 0xffffc9400f1b7300, 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 : 0xffffc9400f1b7300 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) @ 0xffffc9400f262480, 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 : 0xffffc9400f262480 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) @ 0xffffc94004bb5240, 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 : 0xffffc94004bb5240 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) @ 0xffffc94132f6c100, 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 : 0xffffc94132f6c100 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) @ 0xffffc94133fc2080, l_stat=1

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x1c sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x1c
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xffffc94133fc2080 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) @ 0xffffffff86795cc0, l_stat=2

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x1c sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x1c
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xffffffff86795cc0 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: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 : 0 last held: 0
relevant lwp : 0xffffc9401cd17480 last held: 0xffffc9401cd17480
last locked* : netbsd:kprintf_lock+0x50
unlocked : netbsd:kprintf_unlock+0x70
owner field : 0x0000000000000800 wait/spin: 0/1

PAGE FLAG PQ UOBJECT UANON
0xffffcb0000007180 0045 00000000 0x0 0x0
0xffffcb0000007200 0045 00000000 0x0 0x0
0xffffcb0000007280 0045 00000000 0x0 0x0
0xffffcb0000007300 0045 00000000 0x0 0x0
0xffffcb0000007380 0045 00000000 0x0 0x0
0xffffcb0000007400 0045 00000000 0x0 0x0
0xffffcb0000007480 0045 00000000 0x0 0x0
0xffffcb0000007500 0045 00000000 0x0 0x0
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0xffffcb0000016280 0001 00000000 0x0 0x0
0xffffcb0000016300 0001 00000000 0x0 0x0
0xffffcb0000016380 0001 00000000 0x0 0x0
0xffffcb0000016400 0001 00000000 0x0 0x0
0xffffcb0000016480 0001 00000000 0x0 0x0
0xffffcb0000016500 0001 00000000 0x0 0x0
0xffffcb0000016580 0001 00000000 0x0 0x0
0xffffcb0000016600 0001 00000000 0x0 0x0
0xffffcb0000016680 0001 00000000 0x0 0x0
0xffffcb0000016700 0001 00000000 0x0 0x0
0xffffcb0000016780 0001 00000000 0x0 0x0
0xffffcb0000016800 0001 00000000 0x0 0x0
0xffffcb0000016880 0001 00000000 0x0 0x0
0xffffcb0000016900 0001 00000000 0x0 0x0
0xffffcb0000016980 0001 00000000 0x0 0x0
0xffffcb0000016a00 0001 00000000 0x0 0x0
0xffffcb0000016a80 0001 00000000 0x0 0x0
0xffffcb0000016b00 0001 00000000 0x0 0x0
0xffffcb0000016b80 0001 00000000 0x0 0x0
0xffffcb0000016c00 0001 00000000 0x0 0x0
0xffffcb0000016c80 0001 00000000 0x0 0x0
0xffffcb0000016d00 0001 00000000 0x0 0x0
0xffffcb0000016d80 0001 00000000 0x0 0x0
0xffffcb0000016e00 0001 00000000 0x0 0x0
0xffffcb0000016e80 0001 00000000 0x0 0x0
0xffffcb0000016f00 0001 00000000 0x0 0x0
0xffffcb0000016f80 0001 00000000 0x0 0x0
0xffffcb0000017000 0001 00000000 0x0 0x0
0xffffcb0000017080 0001 00000000 0x0 0x0
0xffffcb0000017100 0001 00000000 0x0 0x0
0xffffcb0000017180 0001 00000000 0x0 0x0
0xffffcb0000017200 0001 00000000 0x0 0x0
0xffffcb0000017280 0001 00000000 0x0 0x0
0xffffcb0000017300 0001 00000000 0x0 0x0
0xffffcb0000017380 0001 00000000 0x0 0x0
0xffffcb0000017400 0001 00000000 0x0 0x0
0xffffcb0000017480 0041 00000000 0x0 0x0
0xffffcb0000017500 0041 00000000 0x0 0x0
0xffffcb0000017580 0041 00000000 0x0 0x0
0xffffcb0000017600 0041 00000000 0x0 0x0
0xffffcb0000017680 0041 00000000 0x0 0x0
0xffffcb0000017700 0041 00000000 0x0 0x0
0xffffcb0000017780 0041 00000000 0x0 0x0
0xffffcb0000017800 0041 00000000 0x0 0x0
0xffffcb0000017880 0041 00000000 0x0 0x0
0xffffcb0000017900 0041 00000000 0x0 0x0
0xffffcb0000017980 0041 00000000 0x0 0x0
0xffffcb0000017a00 0041 00000000 0x0 0x0
0xffffcb0000017a80 0041 00000000 0x0 0x0
0xffffcb0000017b00 0041 00000000 0x0 0x0
0xffffcb0000017b80 0041 00000000 0x0 0x0
0xffffcb0000017c00 0041 00000000 0x0 0x0
0xffffcb0000017c80 0041 00000000 0x0 0x0
0xffffcb0000017d00 0041 00000000 0x0 0x0
0xffffcb0000017d80 0041 00000000 0x0 0x0
0xffffcb0000017e00 0041 00000000 0x0 0x0
0xffffcb0000017e80 0041 00000000 0x0 0x0
0xffffcb0000017f00 0041 00000000 0x0 0x0
0xffffcb0000017f80 0041 00000000 0x0 0x0
0xffffcb0000018000 0041 00000000 0x0 0x0
0xffffcb0000018080 0041 00000000 0x0 0x0
0xffffcb0000018100 0041 00000000 0x0 0x0
0xffffcb0000018180 0041 00000000 0x0 0x0
0xffffcb0000018200 0041 00000000 0x0 0x0
0xffffcb0000018280 0041 00000000 0x0 0x0
0xffffcb0000018300 0041 00000000 0x0 0x0
0xffffcb0000018380 0041 00000000 0x0 0x0
0xffffcb0000018400 0041 00000000 0x0 0x0
0xffffcb0000018480 0041 00000000 0x0 0x0
0xffffcb0000018500 0041 00000000 0x0 0x0
0xffffcb0000018580 0041 00000000 0x0 0x0
0xffffcb0000018600 0041 00000000 0x0 0x0
0xffffcb0000018680 0041 00000000 0x0 0x0
0xffffcb0000018700 0041 00000000 0x0 0x0
0xffffcb0000018780 0041 00000000 0x0 0x0
0xffffcb0000018800 0041 00000000 0x0 0x0
0xffffcb0000018880 0041 00000000 0x0 0x0
0xffffcb0000018900 0041 00000000 0x0 0x0
0xffffcb0000018980 0041 00000000 0x0 0x0
0xffffcb0000018a00 0041 00000000 0x0 0x0
0xffffcb0000018a80 0041 00000000 0x0 0x0
0xffffcb0000018b00 0001 00000000 0x0 0x0
0xffffcb0000018b80 0001 00000000 0x0 0x0
0xffffcb0000018c00 0001 00000000 0x0 0x0
0xffffcb0000018c80 0001 00000000 0x0 0x0
0xffffcb0000018d00 0001 00000000 0x0 0x0
0xffffcb0000018d80 0001 00000000 0x0 0x0
0xffffcb0000018e00 0001 00000000 0x0 0x0
0xffffcb0000018e80 0001 00000000 0x0 0x0
0xffffcb0000018f00 0001 00000000 0x0 0x0
0xffffcb0000018f80 0001 00000000 0x0 0x0
0xffffcb0000019000 0001 00000000 0x0 0x0
0xffffcb0000019080 0001 00000000 0x0 0x0
0xffffcb0000019100 0001 00000000 0x0 0x0
0xffffcb0000019180 0001 00000000 0x0 0x0
0xffffcb0000019200 0001 00000000 0x0 0x0
0xffffcb0000019280 0001 00000000 0x0 0x0
0xffffcb0000019300 0001 00000000 0x0 0x0
0xffffcb0000019380 0001 00000000 0x0 0x0
0xffffcb0000019400 0001 00000000 0x0 0x0
0xffffcb0000019480 0001 00000000 0x0 0x0
0xffffcb0000019500 0001 00000000 0x0 0x0
0xffffcb0000019580 0001 00000000 0x0 0x0
0xffffcb0000019600 0001 00000000 0x0 0x0
0xffffcb0000019680 0001 00000000 0x0 0x0
0xffffcb0000019700 0001 00000000 0x0 0x0
0xffffcb0000019780 0001 00000000 0x0 0x0
0xffffcb0000019800 0001 00000000 0x0 0x0
0xffffcb0000019880 0001 00000000 0x0 0x0
0xffffcb0000019900 0001 00000000 0x0 0x0
0xffffcb0000019980 0001 00000000 0x0 0x0
0xffffcb0000019a00 0001 00000000 0x0 0x0
0xffffcb0000019a80 0001 00000000 0x0 0x0
0xffffcb0000019b00 0001 00000000 0x0 0x0
0xffffcb0000019b80 0001 00000000 0x0 0x0
0xffffcb0000019c00 0001 00000000 0x0 0x0
0xffffcb0000019c80 0001 00000000 0x0 0x0
0xffffcb0000019d00 0001 00000000 0x0

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