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MSan: Uninitialized Memory in tmpfs_rmdir



Hello,

syzbot found the following issue on:

HEAD commit:    463a9e2dfed1 curses: init old_mode to 1 (normal visible cu..
git tree:       netbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1404bdf4980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=739e57438eb9ed9e
dashboard link: https://syzkaller.appspot.com/bug?extid=bc52cd0ec95e4bf10bcb
compiler:       Debian clang version 15.0.6

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

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/f445d346cecc/disk-463a9e2d.raw.xz
netbsd.gdb: https://storage.googleapis.com/syzbot-assets/c0d2c3db96be/netbsd-463a9e2d.gdb.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+bc52cd0ec95e4bf10bcb%syzkaller.appspotmail.com@localhost

[  56.1048504] panic: MSan: Uninitialized Kmem Memory From layerfs_loadvnode()

[  56.1196997] cpu0: Begin traceback...
[  56.1348236] vpanic() at netbsd:vpanic+0xc9d
[  56.1847923] panic() at netbsd:panic+0x1b3
[  56.2347712] __msan_warning() at netbsd:__msan_warning+0x11e kmsan_report_inline sys/kern/subr_msan.c:250 [inline]
[  56.2347712] __msan_warning() at netbsd:__msan_warning+0x11e sys/kern/subr_msan.c:631
[  56.2847392] tmpfs_rmdir() at netbsd:tmpfs_rmdir+0xc8f sys/fs/tmpfs/tmpfs_vnops.c:863
[  56.3247171] VOP_RMDIR() at netbsd:VOP_RMDIR+0x380 sys/kern/vnode_if.c:1382
[  56.3746961] union_rmdir() at netbsd:union_rmdir+0x602 sys/fs/union/union_vnops.c:1485
[  56.4246658] VOP_RMDIR() at netbsd:VOP_RMDIR+0x380 sys/kern/vnode_if.c:1382
[  56.4846317] do_sys_unlinkat() at netbsd:do_sys_unlinkat+0xd56
[  56.5346106] syscall() at netbsd:syscall+0x576 sy_invoke sys/sys/syscallvar.h:94 [inline]
[  56.5346106] syscall() at netbsd:syscall+0x576 sys/arch/x86/x86/syscall.c:137
[  56.5546016] --- syscall (number 137) ---
[  56.5745859] netbsd:syscall+0x576:
[  56.5745859] cpu0: End traceback...
[  56.5745859] fatal breakpoint trap in supervisor mode
[  56.5850843] trap type 1 code 0 rip 0xffffffff8023687d cs 0x8 rflags 0x282 cr2 0x6185a0 ilevel 0x5 rsp 0xffffcd00c7a80770
[  56.5976464] curlwp 0xffffcd0012d0e940 pid 829.829 lowest kstack 0xffffcd00c7a792c0
Stopped in pid 829.829 (syz-executor.0) at      netbsd:breakpoint+0x5:  leave
?
breakpoint() at netbsd:breakpoint+0x5
vpanic() at netbsd:vpanic+0xc9d
panic() at netbsd:panic+0x1b3
__msan_warning() at netbsd:__msan_warning+0x11e kmsan_report_inline sys/kern/subr_msan.c:250 [inline]
__msan_warning() at netbsd:__msan_warning+0x11e sys/kern/subr_msan.c:631
tmpfs_rmdir() at netbsd:tmpfs_rmdir+0xc8f sys/fs/tmpfs/tmpfs_vnops.c:863
VOP_RMDIR() at netbsd:VOP_RMDIR+0x380 sys/kern/vnode_if.c:1382
union_rmdir() at netbsd:union_rmdir+0x602 sys/fs/union/union_vnops.c:1485
VOP_RMDIR() at netbsd:VOP_RMDIR+0x380 sys/kern/vnode_if.c:1382
do_sys_unlinkat() at netbsd:do_sys_unlinkat+0xd56
syscall() at netbsd:syscall+0x576 sy_invoke sys/sys/syscallvar.h:94 [inline]
syscall() at netbsd:syscall+0x576 sys/arch/x86/x86/syscall.c:137
--- syscall (number 137) ---
netbsd:syscall+0x576:
Panic string: MSan: Uninitialized Kmem Memory From layerfs_loadvnode()

PID     LID S CPU     FLAGS       STRUCT LWP *               NAME WAIT
1197   1197 2   0         0   ffffcd0013949b00     syz-executor.4
1751   1644 2   0         0   ffffcd0013789a80     syz-executor.5
1751   1718 2   0         0   ffffcd0013789640     syz-executor.5
1751   1464 3   1         0   ffffcd00136535c0     syz-executor.5 biowait
1751   1751 2   1  10000000   ffffcd001354f580     syz-executor.5
1719   1852 2   0         0   ffffcd00139f7780     syz-executor.3
1719   1843 2   0         0   ffffcd00139f7340     syz-executor.3
1719   1630 2   0         0   ffffcd0013985b80     syz-executor.3
1719   1492 2   0         0   ffffcd0013985740     syz-executor.3
1719   1851 2   0         0   ffffcd0013985300     syz-executor.3
1719   1743 2   0         0   ffffcd0013789200     syz-executor.3
1719   1756 2   1         0   ffffcd0013862680     syz-executor.3
1719    715 2   0         0   ffffcd0013862240     syz-executor.3
1719    848 2   1         0   ffffcd001396e2c0     syz-executor.3
1719 > 1719 7   1  10000000   ffffcd001396e700     syz-executor.3
1728   1728 2   0     40000   ffffcd001396eb40     syz-executor.1
1503   1503 3   1     40180   ffffcd0013949280     syz-executor.4 wait
1461   1461 3   0       180   ffffcd00139496c0     syz-executor.3 parked
1460   1460 3   1       180   ffffcd00136cea40     syz-executor.3 parked
1240   1240 3   0       180   ffffcd0013653180     syz-executor.3 nanoslp
1199   1199 2   1       140   ffffcd001354f9c0     syz-executor.5
829  >  829 7   0         0   ffffcd0012d0e940     syz-executor.0
1237   1074 3   1       180   ffffcd00136ce600         syz-fuzzer wait
1237   1200 3   1       180   ffffcd00136ce1c0         syz-fuzzer parked
1237   1383 3   1       180   ffffcd0013653a00         syz-fuzzer wait
1237   1120 3   1       180   ffffcd001352f980         syz-fuzzer wait
1237   1242 3   1       180   ffffcd001352f100         syz-fuzzer parked
1237   1113 2   0         0   ffffcd001352f540         syz-fuzzer
1237    929 3   1       180   ffffcd0012d0e500         syz-fuzzer wait
1237   1224 3   1       180   ffffcd0012d0e0c0         syz-fuzzer parked
1237    449 2   0         0   ffffcd0012c33900         syz-fuzzer
1237   1225 3   1         0   ffffcd0012c334c0         syz-fuzzer xclow
1237   1115 3   1       180   ffffcd0012c33080         syz-fuzzer parked
1237   1230 2   0         0   ffffcd0012310b00         syz-fuzzer
1237   1237 3   0       180   ffffcd00123106c0         syz-fuzzer parked
1229   1229 3   0       180   ffffcd001233d2c0               sshd select
1184   1184 3   0       180   ffffcd0012310280              getty nanoslp
1191   1191 3   1       180   ffffcd0012520300              getty nanoslp
1223   1223 3   0       180   ffffcd0012275ac0              getty nanoslp
1194   1194 3   0       180   ffffcd00121d7200              getty ttyraw
1098   1098 3   0       180   ffffcd0012b828c0               sshd select
1094   1094 3   1       180   ffffcd0012b82480             powerd kqueue
702     702 3   0       180   ffffcd0012551780            syslogd kqueue
746     746 3   0       180   ffffcd0012b82040             dhcpcd poll
747     747 3   0       180   ffffcd001233d700             dhcpcd poll
466     466 3   0       180   ffffcd0012551bc0             dhcpcd poll
598     598 3   0       180   ffffcd0012520b80             dhcpcd poll
292     292 3   0       180   ffffcd0012551340             dhcpcd poll
485     485 3   0       180   ffffcd001233db40             dhcpcd poll
291     291 3   0       180   ffffcd0012520740             dhcpcd poll
1         1 3   0       180   ffffcd0011e53100               init wait
0      1638 3   0       200   ffffcd0013862ac0             ktrace ktrwait
0       686 3   0       200   ffffcd00121d7640            physiod physiod
0       196 3   0       200   ffffcd0012275680          pooldrain pooldrain
0       195 3   0       200   ffffcd0012275240            ioflush syncer
0       194 3   1       200   ffffcd00121d7a80           pgdaemon pgdaemon
0       172 3   0       200   ffffcd00121a7a40               usb7 usbevt
0       171 3   0       200   ffffcd00121a7600               usb6 usbevt
0       169 3   0       200   ffffcd00121a71c0               usb5 usbevt
0       168 3   0       200   ffffcd001211ba00               usb4 usbevt
0       166 3   0       200   ffffcd001211b5c0               usb3 usbevt
0       165 3   0       200   ffffcd001211b180               usb2 usbevt
0        31 3   0       200   ffffcd001206b9c0               usb1 usbevt
0        63 3   0       200   ffffcd001206b580               usb0 usbevt
0       126 3   1       200   ffffcd001206b140         usbtask-dr usbtsk
0       125 3   1       200   ffffcd0011e53980         usbtask-hc usbtsk
0       124 3   0       200   ffffcd00103d3b00          swwreboot swwreboot
0       123 3   0       200   ffffcd0011e53540             npfgc0 npfgcw
0       122 3   1       200   ffffcd0011e47940            rt_free rt_free
0       121 3   0       200   ffffcd0011e47500              unpgc unpgc
0       120 3   0       200   ffffcd0011e470c0    key_timehandler key_timehandler
0       119 3   1       200   ffffcd0011e41900    icmp6_wqinput/1 icmp6_wqinput
0       118 3   0       200   ffffcd0011e414c0    icmp6_wqinput/0 icmp6_wqinput
0       117 3   0       200   ffffcd0011e41080          nd6_timer nd6_timer
0       116 3   1       200   ffffcd0011ccd8c0    carp6_wqinput/1 carp6_wqinput
0       115 3   0       200   ffffcd0011ccd480    carp6_wqinput/0 carp6_wqinput
0       114 3   1       200   ffffcd0011ccd040     carp_wqinput/1 carp_wqinput
0       113 3   0       200   ffffcd0011cccbc0     carp_wqinput/0 carp_wqinput
0       112 3   1       200   ffffcd0011ccc340     icmp_wqinput/1 icmp_wqinput
0       111 3   0       200   ffffcd0011cc9b80     icmp_wqinput/0 icmp_wqinput
0       110 3   0       200   ffffcd0011cc9740           rt_timer rt_timer
0       109 3   0       200   ffffcd0011ccc780        vmem_rehash vmem_rehash
0       100 3   0       200   ffffcd0011cc9300          entbutler entropy
0        99 3   0       200   ffffcd00117c0b40              viomb balloon
0        98 3   1       200   ffffcd00117c0700      vioif0_txrx/1 vioif0_txrx
0        97 3   0       200   ffffcd00117c02c0      vioif0_txrx/0 vioif0_txrx
0        30 3   0       200   ffffcd00103d36c0           scsibus0 sccomp
0        29 3   0       200   ffffcd00103d3280               pms0 pmsreset
0        28 3   1       200   ffffcd00103baac0            xcall/1 xcall
0        27 1   1       200   ffffcd00103ba680          softser/1
0        26 1   1       200   ffffcd00103ba240          softclk/1
0        25 1   1       200   ffffcd00103b7a80          softbio/1
0        24 1   1       200   ffffcd00103b7640          softnet/1
0        23 1   1       201   ffffcd00103b7200             idle/1
0        22 3   0       200   ffffcd000f1d2a40           lnxsyswq lnxsyswq
0        21 3   1       200   ffffcd000f1d2600           lnxubdwq lnxubdwq
0        20 3   1       200   ffffcd000f1d21c0           lnxpwrwq lnxpwrwq
0        19 3   1       200   ffffcd000f1d1a00           lnxlngwq lnxlngwq
0        18 3   1       200   ffffcd000f1d15c0           lnxhipwq lnxhipwq
0        17 3   1       200   ffffcd000f1d1180           lnxrcugc lnxrcugc
0        16 3   0       200   ffffcd000f1ca9c0             sysmon smtaskq
0        15 3   0       200   ffffcd000f1ca580         pmfsuspend pmfsuspend
0        14 3   1       200   ffffcd000f1ca140           pmfevent pmfevent
0        13 3   0       200   ffffcd000f1c8980         sopendfree sopendfr
0        12 3   0       200   ffffcd000f1c8540             ifwdog ifwdog
0        11 3   1       200   ffffcd000f1c8100            iflnkst iflnkst
0        10 3   0       200   ffffcd000f1be940           nfssilly nfssilly
0         9 3   0       200   ffffcd000f1be500           pooldisp pooldisp
0         8 3   0       200   ffffcd000f1be0c0          modunload mod_unld
0         7 2   0       200   ffffcd000ebc9900            xcall/0
0         6 1   0       200   ffffcd000ebc94c0          softser/0
0         5 1   0       200   ffffcd000ebc9080          softclk/0
0         4 1   0       200   ffffcd000ebc88c0          softbio/0
0         3 1   0       200   ffffcd000ebc8480          softnet/0
0         2 1   0       201   ffffcd000ebc8040             idle/0
0         0 3   0       200   ffffffff86a6f9c0            swapper uvm
[Locks tracked through LWPs]

****** LWP 1719.715 (syz-executor.3) @ 0xffffcd0013862240, l_stat=2

*** Locks held:

* Lock 0 (initialized at netbsd:filedesc_ctor+0x8e sys/kern/kern_descrip.c:1355)
lock address : ffffcd0013783340
type         : sleep/adaptive
initialized  : netbsd:filedesc_ctor+0x8e
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
relevant cpu :                  0 last held:                  0
relevant lwp : 0xffffcd0013862240 last held: 0xffffcd0013862240
last locked* : netbsd:fd_alloc+0x177
unlocked     : netbsd:fd_alloc+0xf3e
owner field  : 0xffffcd0013862240 wait/spin:                0/0
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 1728.1728 (syz-executor.1) @ 0xffffcd001396eb40, l_stat=2

*** Locks held:

* Lock 0 (initialized at netbsd:kcov_open+0x10d sys/kern/subr_kcov.c:461)
lock address : ffffcd001384dec0
type         : sleep/adaptive
initialized  : netbsd:kcov_open+0x10d
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
relevant cpu :                  0 last held:                  0
relevant lwp : 0xffffcd001396eb40 last held: 0xffffcd001396eb40
last locked* : netbsd:kcov_fops_ioctl+0xa0
unlocked     : 0
owner field  : 0xffffcd001396eb40 wait/spin:                0/0
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 1503.1503 (syz-executor.4) @ 0xffffcd0013949280, l_stat=3

*** Locks held:

* Lock 0 (initialized at netbsd:kcov_open+0x10d sys/kern/subr_kcov.c:461)
lock address : ffffcd0013874bc0
type         : sleep/adaptive
initialized  : netbsd:kcov_open+0x10d
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
relevant cpu :                  1 last held:                  1
relevant lwp : 0xffffcd0013949280 last held: 0xffffcd0013949280
last locked* : netbsd:kcov_fops_ioctl+0xa0
unlocked     : 0
owner field  : 000000000000000000 wait/spin:                0/0
Turnstile: no active turnstile for this lock.

* Lock 1 (initialized at netbsd:uvm_obj_init+0x88 sys/uvm/uvm_object.c:70)
lock address : ffffcd0013874dc0
type         : sleep/adaptive
initialized  : netbsd:uvm_obj_init+0x88
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
relevant cpu :                  1 last held:                  1
relevant lwp : 0xffffcd0013949280 last held: 0xffffcd0013949280
last locked* : netbsd:uvm_fault_internal+0x4caf
unlocked     : netbsd:uvm_fault_lower_enter+0x1b49
owner/count  : 000000000000000000 flags    : 000000000000000000
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 829.829 (syz-executor.0) @ 0xffffcd0012d0e940, l_stat=7

*** Locks held:

* Lock 0 (initialized at netbsd:vcache_alloc+0xc6 sys/kern/vfs_vnode.c:1438)
lock address : ffffcd0013987440
type         : sleep/adaptive
initialized  : netbsd:vcache_alloc+0xc6
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
relevant cpu :                  0 last held:                  0
relevant lwp : 0xffffcd0012d0e940 last held: 0xffffcd0012d0e940
last locked* : netbsd:genfs_lock+0x1d6
unlocked     : netbsd:genfs_unlock+0x55
owner/count  : 0xffffcd0012d0e940 flags    : 0x0000000000000004
Turnstile: no active turnstile for this lock.

* Lock 1 (initialized at netbsd:vcache_alloc+0xc6 sys/kern/vfs_vnode.c:1438)
lock address : ffffcd0013987b00
type         : sleep/adaptive
initialized  : netbsd:vcache_alloc+0xc6
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
relevant cpu :                  0 last held:                  0
relevant lwp : 0xffffcd0012d0e940 last held: 0xffffcd0012d0e940
last locked* : netbsd:genfs_lock+0x1d6
unlocked     : netbsd:genfs_unlock+0x55
owner/count  : 0xffffcd0012d0e940 flags    : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 747.747 (dhcpcd) @ 0xffffcd001233d700, 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 : 0xffffcd001233d700 last held: 000000000000000000
last locked  : 0
unlocked*    : 0
owner field  : 000000000000000000 wait/spin:                0/0
Turnstile: no active turnstile for this lock.

****** LWP 466.466 (dhcpcd) @ 0xffffcd0012551bc0, 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 : 0xffffcd0012551bc0 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) @ 0xffffcd001233db40, 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 : 0xffffcd001233db40 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) @ 0xffffcd0012520740, 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 : 0xffffcd0012520740 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) @ 0xffffcd00103ba240, 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 : 0xffffcd00103ba240 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) @ 0xffffcd000f1c8100, 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 : 0xffffcd000f1c8100 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) @ 0xffffcd000ebc9080, 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 :                  0 last held:                  0
relevant lwp : 0xffffcd000ebc9080 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) @ 0xffffffff86a6f9c0, 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 : 0xffffffff86a6f9c0 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+0xcb sys/kern/subr_prf.c:156)
lock address : netbsd:kprintf_mtx
type         : spin
initialized  : netbsd:kprintf_init+0xcb
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
relevant cpu :                  0 last held:                  0
relevant lwp : 0xffffcd0012d0e940 last held: 0xffffcd0012d0e940
last locked* : netbsd:vpanic+0x624
unlocked     : netbsd:log+0x618
owner field  : 0x0000000000000800 wait/spin:                0/1

              PAGE FLAG   PQ            UOBJECT              UANON
0xffffcd0000017180 0001 00000000                0x0                0x0
0xffffcd0000017200 0041 00000000                0x0                0x0
0xffffcd0000017280 0041 00000000                0x0                0x0
0xffffcd0000017300 0041 00000000                0x0                0x0
0xffffcd0000017380 0041 00000000                0x0                0x0
0xffffcd0000017400 0041 00000000                0x0                0x0
0xffffcd0000017480 0041 00000000                0x0                0x0
0xffffcd0000017500 0041 00000000                0x0                0x0
0xffffcd0000017580 0041 00000000                0x0                0x0
0xffffcd0000017600 0041 00000000                0x0                0x0
0xffffcd0000017680 0041 00000000                0x0                0x0
0xffffcd0000017700 0041 00000000                0x0                0x0
0xffffcd0000017780 0041 00000000                0x0                0x0
0xffffcd0000017800 0041 00000000                0x0                0x0
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0xffffcd0000024c80 0001 00000000                0x0                0x0
0xffffcd0000024d00 0001 00000000                0x0                0x0
0xffffcd0000024d80 0001 00000000                0x0                0x0
0xffffcd0000024e00 0001 00000000                0x0                0x0
0xffffcd0000024e80 0001 00000000                0x0                0x0
0xffffcd0000024f00 0001 00000000                0x0                0x0
0xffffcd0000024f80 0001 00000000                0x0                0x0
0xffffcd0000025000 0001 00000000                0x0                0x0
0xffffcd0000025080 0001 00000000                0x0                0x0
0xffffcd0000025100 0001 00000000                0x0                0x0
0xffffcd0000025180 0001 00000000                0x0                0x0
0xffffcd0000025200 0001 00000000                0x0                0x0
0xffffcd0000025280 0001 00000000                0x0                0x0
0xffffcd0000025300 0001 00000000                0x0                0x0
0xffffcd0000025380 0001 00000000                0x0                0x0
0xffffcd0000025400 0001 00000000                0x0                0x0
0xffffcd0000025480 0001 00000000                0x0                0x0
0xffffcd0000025500 0001 00000000                0x0                0x0
0xffffcd0000025580 0001 00000000                0x0                0x0
0xffffcd0000025600 0001 00000000                0x0                0x0
0xffffcd0000025680 0001 00000000                0x0                0x0
0xffffcd0000025700 0001 00000000                0x0                0x0
0xffffcd0000025780 0001 00000000                0x0                0x0
0xffffcd0000025800 0001 00000000                0x0                0x0
0xffffcd0000025880 0001 00000000                0x0                0x0
0xffffcd0000025900 0001 00000000                0x0                0x0
0xffffcd0000025980 0001 00000000                0x0                0x0
0xffffcd0000025a00 0001 00000000                0x0                0x0
0xffffcd0000025a80 0001 00000000                0x0                0x0
0xffffcd0000025b00 0001 00000000                0x0                0x0
0xffffcd0000025b80 0001 00000000                0x0                0x0
0xffffcd0000025c00 0001 00000000                0x0                0x0
0xffffcd0000025c80 0001 00000000                0x0                0x0
0xffffcd0000025d00 0001 00000000                0x0                0x0
0xffffcd0000025d80 0001 00000000                0x0                0x0
0xffffcd0000025e00 0001 00000000                0x0                0x0
0xffffcd0000025e80 0001 00000000                0x0                0x0
0xffffcd0000025f00 0001 00000000                0x0                0x0
0xffffcd0000025f80 0001 00000000                0x0                0x0
0xffffcd0000026000 0001 00000000                0x0                0x0
0xffffcd0000026080 0001 00000000                0x0                0x0
0xffffcd0000026100 0001 00000000                0x0                0x0
0xffffcd0000026180 0001 00000000                0x0                0x0
0xffffcd0000026200 0001 00000000                0x0                0x0
0xffffcd0000026280 0001 00000000                0x0                0x0
0xffffcd0000026300 0001 00000000                0x0                0x0
0xffffcd0000026380 0001 00000000                0x0                0x0
0xffffcd0000026400 0001 00000000                0x0                0x0
0xffffcd0000026480 0001 00000000                0x0                0x0
0xffffcd0000026500 0001 00000000                0x0                0x0
0xffffcd0000026580 0001 00000000                0x0                0x0
0xffffcd0000026600 0001 00000000                0x0                0x0
0xffffcd0000026680 0001 00000000                0x0                0x0
0xffffcd0000026700 0001 00000000                0x0                0x0
0xffffcd0000026780 0001 00000000                0x0                0x0
0xffffcd0000026800 0001 00000000                0x0                0x0
0xffffcd0000026880 0001 00000000                0x0                0x0
0xffffcd0000026900 0001 00000000                0x0                0x0
0xffffcd0000026980 0001 00000000                0x0                0x0
0xffffcd0000026a00 0001 00000000                0x0                0x0
0xffffcd0000026a80 0001 00000000                0x0                0x0
0xffffcd0000026b00 0001 00000000                0x0                0x0
0xffffcd0000026b80 0001 00000000                0x0                0x0
0xffffcd0000026c00 0001 00000000                0x0                0x0
0xffffcd0000026c80 0001 00000000                0x0                0x0
0xffffcd0000026d00 0001 00000000                0x0                0x0
0xffffcd0000026d80 0001 00000000                0x0                0x0
0xffffcd0000026e00 0001 00000000                0x0                0x0
0xffffcd0000026e80 0001 00000000                0x0                0x0
0xffffcd0000026f00 0001 00000000                0x0                0x0
0xffffcd0000026f80 0001 00000000                0x0                0x0
0xffffcd0000027000 0001 00000000                0x0                0x0
0xffffcd0000027080 0001 00000000                0x0                0x0
0xffffcd0000027100 0001 00000000                0x0                0x0
0xffffcd0000027180 0001 00000000                0x0                0x0
0xffffcd0000027200 0001 00000000                0x0                0x0
0xffffcd0000027280 0001 00000000                0x0                0x0
0xffffcd0000027300 0001 00000000                0x0                0x0
0xffffcd0000027380 0001 00000000                0x0                0x0
0xffffcd0000027400 0001 00000000                0x0                0x0
0xffffcd0000027480 0001 00000000                0x0                0x0
0xffffcd0000027500 0001 00000000                0x0                0x0
0xffffcd0000027580 0001 00000000                0x0                0x0
0xffffcd0000027600 0001 00000000                0x0                0x0
0xffffcd0000027680 0001 00000000                0x0                0x0
0xffffcd0000027700 0001 00000000                0x0                0x0
0xffffcd0000027780 0001 00000000                0x0                0x0
0xffffcd0000027800 0001 00000000                0x0                0x0
0xffffcd0000027880 0001 00000000                0x0                0x0
0xffffcd0000027900 0001 00000000                0x0                0x0
0xffffcd0000027980 0001 00000000                0x0                0x0
0xffffcd0000027a00 0001 00000000                0x0                0x0
0xffffcd0000027a80 0001 00000000                0x0                0x0
0xffffcd0000027b00 0001 00000000                0x0                0x0
0xffffcd0000027b80 0001 00000000                0x0                0x0
0xffffcd0000027c00 0001 00000000                0x0                0x0
0xffffcd0000027c80 0001 00000000                0x0                0x0
0xffffcd0000027d00 0001 00000000                0x0                0x0
0xffffcd0000027d80 0001 00000000                0x0                0x0
0xffffcd0000027e00 0001 00000000                0x0                0x0
0xffffcd0000027e80 0001 00000000                0x0                0x0
0xffffcd0000027f00 0001 00000000                0x0                0x0
0xffffcd0000027f80 0001 00000000                0x0                0x0
0xffffcd0000028000 0001 00000000                0x0                0x0
0xffffcd0000028080 0001 00000000                0x0                0x0
0xffffcd0000028100 0001 00000000                0x0                0x0
0xffffcd0000028180 0001 00000000                0x0                0x0
0xffffcd0000028200 0001 00000000                0x0                0x0
0xffffcd0000028280 0001 00000000                0x0                0x0
0xffffcd0000028300 0001 00000000                0x0                0x0
0xffffcd0000028380 0001 00000000                0x0                0x0
0xffffcd0000028400 0001 00000000                0x0                0x0
0xffffcd0000028480 0001 00000000                0x0                0x0
0xffffcd0000028500 0001 00000000                0x0                0x0
0xffffcd0000028580 0001 00000000                0x0                0x0
0xffffcd0000028600 0001 00000000                0x0                0x0
0xffffcd0000028680 0001 00000000                0x0                0x0
0xffffcd0000028700 0001 00000000                0x0                0x0
0xffffcd0000028780 0001 00000000                0x0                0x0
0xffffcd0000028800 0001 00000000                0x0                0x0
0xffffcd0000028880 0001 00000000                0x0                0x0
0xffffcd0000028900 0001 00000000                0x0                0x0
0xffffcd0000028980 0001 00000000                0x0                0x0
0xffffcd0000028a00 0001 00000000                0x0                0x0
0xffffcd0000028a80 0001 00000000                0x0                0x0
0xffffcd0000028b00 0001 00000000                0x0                0x0
0xffffcd0000028b80 0001 00000000                0x0                0x0
0xffffcd0000028c00 0001 00000000                0x0                0x0
0xffffcd0000028c80 0001 00000000                0x0                0x0
0xffffcd0000028d00 0001 00000000                0x0                0x0
0xffffcd0000028d80 0001 00000000                0x0                0x0
0xffffcd0000028e00 0001 00000000                0x0                0x0
0xffffcd0000028e80 0001 00000000                0x0                0x0
0xffffcd0000028f00 0001 00000000                0x0                0x0
0xffffcd0000028f80 0001 00000000                0x0                0x0
0xffffcd0000029000 0001 00000000                0x0                0x0
0xffffcd0000029080 0001 00000000                0x0                0x0
0xffffcd0000029100 0001 00000000                0x0                0x0
0xffffcd0000029180 0001 00000000                0x0                0x0
0xffffcd0000029200 0001 00000000                0x0                0x0
0xffffcd0000029280 0001 00000000                0x0                0x0
0xffffcd0000029300 0001 00000000                0x0                0x0
0xffffcd0000029380 0001 00000000                0x0                0x0
0xffffcd0000029400 0001 00000000                0x0                0x0
0xffffcd0000029480 0001 00000000                0x0                0x0
0xffffcd0000029500 0001 00000000                0x0                0x0
0xffffcd0000029580 0001 00000000                0x0                0x0
0xffffcd0000029600 0001 00000000                0x0                0x0
0xffffcd0000029680 0001 00000000                0x0                0x0
0xffffcd0000029700 0001 00000000                0x0                0x0
0xffffcd0000029780 0001 00000000                0x0                0x0
0xffffcd0000029800 0001 00000000                0x0                0x0
0xffffcd0000029880 0001 00000000                0x0                0x0
0xffffcd0000029900 0001 00000000                0x0                0x0
0xffffcd0000029980 0001 00000000                0x0                0x0
0xffffcd0000029a00 0001 00000000                0x0                0x0
0xffffcd0000029a80 0001 00000000                0x0                0x0
0xffffcd0000029b00 0001 00000000                0x0                0x0
0xffffcd0000029b80 0001 00000000                0x0                0x0
0xffffcd0000029c00 0001 00000000                0x0                0x0
0xffffcd0000029c80 0001 00000000                0x0                0x0
0xffffcd0000029d00 0001 00000000                0x0                0x0
0xffffcd0000029d80 0001 00000000                0x0                0x0
0xffffcd0000029e00 0001 00000000                0x0                0x0
0xffffcd0000029e80 0001 00000000                0x0                0x0
0xffffcd0000029f00 0001 00000000                0x0                0x0
0xffffcd0000029f80 0001 00000000                0x0                0x0
0xffffcd000002a000 0001 00000000                0x0                0x0
0xffffcd000002a080 0001 00000000                0x0                0x0
0xffffcd000002a100 0001 00000000                0x0                0x0
0xffffcd000002a180 0001 00000000                0x0                0x0
0xffffcd000002a200 0001 00000000                0x0                0x0
0xffffcd000002a280 0001 00000000                0x0                0x0
0xffffcd000002a300 0001 00000000                0x0                0x0
0xffffcd000002a380 0001 00000000                0x0                0x0
0xffffcd000002a400 0001 00000000                0x0                0x0
0xffffcd000002a480 0001 00000000                0x0                0x0
0xffffcd000002a500 0001 00000000                0x0                0x0
0xffffcd000002a580 0001 00000000                0x0                0x0
0xffffcd000002a600 0001 00000000                0x0                0x0
0xffffcd000002a680 0001 00000000                0x0                0x0
0xffffcd000002a700 0001 00000000                0x0                0x0
0xffffcd000002a780 0001 00000000                0x0                0x0
0xffffcd000002a800 0001 00000000                0x0                0x0
0xffffcd000002a880 0001 00000000                0x0                0x0
0xffffcd000002a900 0001 00000000                0x0                0x0
0xffffcd000002a980 0001 00000000                0x0   

---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
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syzbot will keep track of this issue. See:
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If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title

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#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)

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#syz dup: exact-subject-of-another-report

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#syz undup

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