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panic: pagedaemon deadlock



Hello,

syzbot found the following issue on:

HEAD commit:    96d4dd836825 indent: extract the stack of parser symbols t..
git tree:       netbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=10f8a71b280000
kernel config:  https://syzkaller.appspot.com/x/.config?x=739e57438eb9ed9e
dashboard link: https://syzkaller.appspot.com/bug?extid=590461f7c59c96e0be0d
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/532ecc0b65b3/disk-96d4dd83.raw.xz
netbsd.gdb: https://storage.googleapis.com/syzbot-assets/8f3528a31a0e/netbsd-96d4dd83.gdb.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+590461f7c59c96e0be0d%syzkaller.appspotmail.com@localhost

[ 331.6383789] panic: pagedaemon deadlock
[ 331.6483703] cpu1: Begin traceback...
[ 331.6683659] vpanic() at netbsd:vpanic+0xc9d
[ 331.7083638] panic() at netbsd:panic+0x1b3 sys/kern/subr_prf.c:209
[ 331.7483627] uvm_wait() at netbsd:uvm_wait+0x2bf sys/uvm/uvm_pdaemon.c:176
[ 331.7883660] uvm_km_kmem_alloc() at netbsd:uvm_km_kmem_alloc+0x746
[ 331.8283676] pool_page_alloc() at netbsd:pool_page_alloc+0x15f sys/kern/subr_pool.c:3008
[ 331.8783740] pool_grow() at netbsd:pool_grow+0x240 pool_allocator_alloc sys/kern/subr_pool.c:2968 [inline]
[ 331.8783740] pool_grow() at netbsd:pool_grow+0x240 sys/kern/subr_pool.c:1417
[ 331.9183726] pool_get() at netbsd:pool_get+0xaa7 sys/kern/subr_pool.c:1175
[ 331.9583676] pool_cache_get_slow() at netbsd:pool_cache_get_slow+0xb8f
[ 332.0083678] pool_cache_get_paddr() at netbsd:pool_cache_get_paddr+0x1092 sys/kern/subr_pool.c:2769
[ 332.0483685] ktr_csw() at netbsd:ktr_csw+0x54c ktealloc sys/kern/kern_ktrace.c:505 [inline]
[ 332.0483685] ktr_csw() at netbsd:ktr_csw+0x54c sys/kern/kern_ktrace.c:865
[ 332.0883714] sleepq_block() at netbsd:sleepq_block+0x78e sys/kern/kern_sleepq.c:401
[ 332.1283689] mtsleep() at netbsd:mtsleep+0x6e5 sys/kern/kern_synch.c:219
[ 332.1683675] uvm_pageout() at netbsd:uvm_pageout+0x66c sys/uvm/uvm_pdaemon.c:285
[ 332.1783718] cpu1: End traceback...
[ 332.1783718] fatal breakpoint trap in supervisor mode
[ 332.1883661] trap type 1 code 0 rip 0xffffffff8023686d cs 0x8 rflags 0x282 cr2 0x7c04b8a18ee8 ilevel 0x8 rsp 0xfffff380c7792390
[ 332.1983623] curlwp 0xfffff380121fba80 pid 0.194 lowest kstack 0xfffff380c778b2c0
Stopped in pid 0.194 (system) at        netbsd:breakpoint+0x5:  leave
?
breakpoint() at netbsd:breakpoint+0x5
vpanic() at netbsd:vpanic+0xc9d
panic() at netbsd:panic+0x1b3 sys/kern/subr_prf.c:209
uvm_wait() at netbsd:uvm_wait+0x2bf sys/uvm/uvm_pdaemon.c:176
uvm_km_kmem_alloc() at netbsd:uvm_km_kmem_alloc+0x746
pool_page_alloc() at netbsd:pool_page_alloc+0x15f sys/kern/subr_pool.c:3008
pool_grow() at netbsd:pool_grow+0x240 pool_allocator_alloc sys/kern/subr_pool.c:2968 [inline]
pool_grow() at netbsd:pool_grow+0x240 sys/kern/subr_pool.c:1417
pool_get() at netbsd:pool_get+0xaa7 sys/kern/subr_pool.c:1175
pool_cache_get_slow() at netbsd:pool_cache_get_slow+0xb8f
pool_cache_get_paddr() at netbsd:pool_cache_get_paddr+0x1092 sys/kern/subr_pool.c:2769
ktr_csw() at netbsd:ktr_csw+0x54c ktealloc sys/kern/kern_ktrace.c:505 [inline]
ktr_csw() at netbsd:ktr_csw+0x54c sys/kern/kern_ktrace.c:865
sleepq_block() at netbsd:sleepq_block+0x78e sys/kern/kern_sleepq.c:401
mtsleep() at netbsd:mtsleep+0x6e5 sys/kern/kern_synch.c:219
uvm_pageout() at netbsd:uvm_pageout+0x66c sys/uvm/uvm_pdaemon.c:285
Panic string: pagedaemon deadlock
PID    LID S CPU     FLAGS       STRUCT LWP *               NAME WAIT
3376  3376 2   1         0   fffff38018b8a8c0     syz-executor.1
1285  1285 2   1         0   fffff38018d1b080     syz-executor.1
1790  1790 2   1         0   fffff38018ac4740     syz-executor.1
7601  7601 2   1         0   fffff38018ac4300     syz-executor.1
1284  1284 2   1         0   fffff38018b8a480     syz-executor.1
7935  7935 3   1         0   fffff38018b8a040     syz-executor.1 anonget2
6899  6899 3   0         0   fffff38018b87bc0     syz-executor.1 anonget2
1254  1254 3   0         0   fffff38018b87780     syz-executor.1 anonget2
6884  6884 3   0         0   fffff38018b87340     syz-executor.1 anonget2
4817  4817 3   0         0   fffff38018ac4b80     syz-executor.1 anonget2
8624  8624 3   1         0   fffff38018a4cb40     syz-executor.1 uarea
1454  1454 2   1         0   fffff38018a4c700     syz-executor.1
7496  7496 2   1         0   fffff38018967ac0     syz-executor.1
1304  1304 2   1         0   fffff38018a4c2c0     syz-executor.1
9515  9515 3   1         0   fffff38018976b00     syz-executor.1 uarea
1311  1311 2   1         0   fffff380189766c0     syz-executor.1
1303  1303 3   1         0   fffff38018976280     syz-executor.1 uarea
1306  1306 2   1         0   fffff38018967680     syz-executor.1
1566  1566 2   1         0   fffff3801860e9c0     syz-executor.1
1305  1305 3   0         0   fffff38018967240     syz-executor.1 vmmpepl
4685  4685 2   1         0   fffff3801882fa80     syz-executor.1
7752  7752 3   1         0   fffff3801882f640     syz-executor.1 uarea
1198  1198 3   0         0   fffff3801882f200     syz-executor.1 pdppl
4640  4640 3   1         0   fffff38018825a40     syz-executor.1 uarea
940    940 2   1         0   fffff38018825600     syz-executor.1
938    938 3   1         0   fffff380188251c0     syz-executor.1 uarea
7750  7750 3   1         0   fffff3801881ea00     syz-executor.1 uarea
934    934 3   1         0   fffff3801881e5c0     syz-executor.1 vmmpepl
1551  1551 3   0         0   fffff3801881e180     syz-executor.1 pdppl
1550  1550 3   1         0   fffff3801860e580     syz-executor.1 uarea
1561  1561 3   1         0   fffff3801860e140     syz-executor.1 uarea
1559  1559 3   1         0   fffff38018606980     syz-executor.1 uarea
936    936 3   1         0   fffff38018606540     syz-executor.1 uarea
4665  4665 2   1         0   fffff38018606100     syz-executor.1
1548  1548 3   1         0   fffff380185f9940     syz-executor.1 uarea
1556  1556 3   1         0   fffff380185f9500     syz-executor.1 uarea
1547  1547 3   1         0   fffff380185f90c0     syz-executor.1 uarea
1154  1154 2   1         0   fffff380185f0900     syz-executor.1
1546  1546 3   0         0   fffff380185f04c0     syz-executor.1 pdppl
1545  1545 2   1         0   fffff380185f0080     syz-executor.1
1599  1599 3   1         0   fffff380185e98c0     syz-executor.1 uarea
1542  1542 2   1         0   fffff380185e9480     syz-executor.1
7223  7223 3   1         0   fffff380185e9040     syz-executor.1 uarea
1662  1662 3   1         0   fffff380185dcbc0     syz-executor.1 vmmpepl
1544  1544 3   1         0   fffff380185dc780     syz-executor.1 uarea
1660  1660 3   1         0   fffff380185dc340     syz-executor.1 uarea
1560  1560 2   1         0   fffff3801851db80     syz-executor.1
6440  6440 3   0         0   fffff3801851d740     syz-executor.1 vmmpepl
1158  1158 2   1         0   fffff3801678d600     syz-executor.1
5413  5413 3   0         0   fffff3801837fb00     syz-executor.1 pdppl
4937  4937 3   0         0   fffff3801851d300     syz-executor.1 pdppl
3381  3381 3   0         0   fffff38018513b40     syz-executor.1 pdppl
3891  3891 3   0         0   fffff38018513700     syz-executor.1 vmmpepl
2353  2353 3   1         0   fffff380185132c0     syz-executor.1 vmmpepl
6467  6467 3   0         0   fffff3801837f6c0     syz-executor.1 pdppl
3387  3387 2   1         0   fffff3801678da40     syz-executor.1
4416  4416 3   0         0   fffff380138a6900     syz-executor.1 pdppl
2380  2380 3   0         0   fffff38013628a40     syz-executor.1 pdppl
8773  8773 3   0         0   fffff380139ce340     syz-executor.1 filedesc
4384  4384 3   0         0   fffff38015205740     syz-executor.1 pdppl
2382  2382 3   0         0   fffff38013728240     syz-executor.1 pdppl
4429  4429 3   0         0   fffff38014239180     syz-executor.1 pdppl
1541  1541 3   0         0   fffff380145a6ac0     syz-executor.1 sigacts
1658  1658 3   0         0   fffff3801837f280     syz-executor.1 kmem-04096
6882  6882 3   1         0   fffff3801647a040     syz-executor.1 vmmpepl
9888  9888 3   1         0   fffff380169b1640     syz-executor.1 uarea
2705  2705 2   1         0   fffff38018378ac0     syz-executor.1
1661  1661 3   1         0   fffff38018378680     syz-executor.1 uarea
1058  1058 2   1         0   fffff38018378240     syz-executor.1
962    962 3   1         0   fffff38018372a80     syz-executor.1 vmmpepl
1659  1659 3   0         0   fffff38018372640     syz-executor.1 vmmpepl
3361  3361 3   1         0   fffff38018372200     syz-executor.1 uarea
1173  1173 3   0         0   fffff380180dea40     syz-executor.1 vmmpepl
8379  8379 3   1         0   fffff380180de600     syz-executor.1 vmmpepl
1307  1307 3   0         0   fffff380180de1c0     syz-executor.1 vmmpepl
4670  4670 3   1         0   fffff380180d6a00     syz-executor.1 vmmpepl
1302  1302 3   1         0   fffff380180d65c0     syz-executor.1 vmmpepl
1647  1647 3   0         0   fffff380180d6180     syz-executor.1 kmem-04096
5669  5669 3   1         0   fffff380180d19c0     syz-executor.1 vmmpepl
1971  1971 3   0         0   fffff380180d1580     syz-executor.1 vmmpepl
1300  1300 3   1         0   fffff380180d1140     syz-executor.1 vmmpepl
4672  4672 3   0         0   fffff380180c6980     syz-executor.1 kmem-04096
1653  1653 3   0         0   fffff380180c6540     syz-executor.1 vmmpepl
1177  1177 3   0         0   fffff380180c6100     syz-executor.1 kmem-04096
1538  1538 3   1         0   fffff380180c2940     syz-executor.1 vmmpepl
1289  1289 3   0         0   fffff380180c2500     syz-executor.1 kmem-04096
4391  4391 2   1         0   fffff380180c20c0     syz-executor.1
8784  8784 2   1         0   fffff380180ba4c0     syz-executor.1
1650  1650 2   1         0   fffff380180ba900     syz-executor.1
1287  1287 3   0         0   fffff380180ba080     syz-executor.1 kmem-04096
6950  6950 3   0         0   fffff380180b08c0     syz-executor.1 vmmpepl
1286  1286 3   0         0   fffff380180b0480     syz-executor.1 kmem-04096
1301  1301 3   1         0   fffff380180b0040     syz-executor.1 vmmpepl
1652  1652 3   0         0   fffff380180a8bc0     syz-executor.1 vmmpepl
9771  9771 3   0         0   fffff380180a8780     syz-executor.1 vmmpepl
1292  1292 3   1         0   fffff380180a8340     syz-executor.1 uarea
1281  1281 3   0         0   fffff38018038b80     syz-executor.1 kmem-04096
3659  3659 3   0         0   fffff38018038740     syz-executor.1 kmem-04096
1069  1069 3   0         0   fffff38018038300     syz-executor.1 kmem-04096
1290  1290 3   0         0   fffff38017f7bb40     syz-executor.1 sigacts
722    722 3   0         0   fffff38017f7b700     syz-executor.1 sigacts
6198  6198 3   0         0   fffff38017d32240     syz-executor.1 kmem-04096
1999  1999 3   0         0   fffff38017f7b2c0     syz-executor.1 sigacts
1562  1562 2   1         0   fffff38017f71b00     syz-executor.1
2252  2252 3   0         0   fffff38017f716c0     syz-executor.1 pdppl
3019  3019 2   1         0   fffff38017f71280     syz-executor.1
4525  4525 3   0         0   fffff38017d32ac0     syz-executor.1 vmmpepl
1174  1174 3   1         0   fffff38017d32680     syz-executor.1 anonget2
1651  1651 3   0         0   fffff38017d25a80     syz-executor.1 anonget2
9788  9788 3   1         0   fffff38017bc5980     syz-executor.1 vmmpepl
1537  1537 3   0         0   fffff38017d25640     syz-executor.1 vmmpepl
6130  6130 3   1         0   fffff38017d25200     syz-executor.1 vmmpepl
1060  1060 3   0         0   fffff38017d1ea40     syz-executor.1 vmmpepl
2664  2664 2   1         0   fffff38017d1e600     syz-executor.1
6245  6245 3   1         0   fffff38017d1e1c0     syz-executor.1 anonget2
1635  1635 3   1         0   fffff38017d12a00     syz-executor.1 anonget2
2796  2796 2   1         0   fffff38017d125c0     syz-executor.1
8754  8754 3   0         0   fffff38017d12180     syz-executor.1 vmmpepl
1246  1246 3   1         0   fffff38017d099c0     syz-executor.1 uarea
1789  1789 2   1         0   fffff38017d09580     syz-executor.1
6895  6895 2   1         0   fffff38017d09140     syz-executor.1
6251  6251 3   1         0   fffff38017bc5540     syz-executor.1 kmem-04096
1536  1536 3   1         0   fffff38017bc5100     syz-executor.1 kmem-04096
2621  2621 3   1         0   fffff38017bbb940     syz-executor.1 kmem-04096
6129  6129 3   1         0   fffff38017bbb500     syz-executor.1 kmem-04096
1172  1172 3   1         0   fffff38017bbb0c0     syz-executor.1 kmem-04096
1059  1059 3   1         0   fffff38017baa900     syz-executor.1 kmem-04096
4164  4164 3   0         0   fffff38017baa4c0     syz-executor.1 kmem-04096
4713  4713 3   1         0   fffff38017baa080     syz-executor.1 uarea
6128  6128 3   0         0   fffff38017b9f8c0     syz-executor.1 kmem-04096
7782  7782 3   0         0   fffff38017b9f480     syz-executor.1 kmem-04096
3687  3687 3   0         0   fffff38017b9f040     syz-executor.1 kmem-04096
1636  1636 3   0         0   fffff38017b8dbc0     syz-executor.1 kmem-04096
1634  1634 3   0         0   fffff38017b8d780     syz-executor.1 kmem-04096
2656  2656 2   1         0   fffff38017ae2740     syz-executor.1
6333  6333 2   1         0   fffff38017b8d340     syz-executor.1
1171  1171 2   1         0   fffff38017ae2b80     syz-executor.1
1633  1633 3   1         0   fffff38017ad1b40     syz-executor.1 kmem-04096
1162  1162 2   1         0   fffff38017ae2300     syz-executor.1
1552  1552 3   1         0   fffff38017ad1700     syz-executor.1 kmem-04096
5870  5870 2   0         0   fffff38017ad12c0     syz-executor.1
4667  4667 3   0         0   fffff38017951b00     syz-executor.1 kmem-04096
6125  6125 3   1         0   fffff380179516c0     syz-executor.1 uarea
1515  1515 3   1         0   fffff38017951280     syz-executor.1 kmem-04096
1514  1514 3   0         0   fffff38017941ac0     syz-executor.1 anonget2
7773  7773 2   1         0   fffff38017941680     syz-executor.1
8169  8169 3   0         0   fffff38017941240     syz-executor.1 filedesc
6376  6376 3   1         0   fffff38017812a80     syz-executor.1 vmmpepl
7911  7911 3   0         0   fffff38017812640     syz-executor.1 filedesc
1510  1510 2   1         0   fffff38017812200     syz-executor.1
6226  6226 3   0         0   fffff38017801a40     syz-executor.1 kmem-04096
741    741 2   1         0   fffff38017801600     syz-executor.1
6116  6116 3   0         0   fffff380178011c0     syz-executor.1 kmem-04096
1176  1176 2   1         0   fffff380177eea00     syz-executor.1
6115  6115 2   1         0   fffff380177ee5c0     syz-executor.1
2609  2609 2   1         0   fffff380177ee180     syz-executor.1
6114  6114 2   1         0   fffff380177dd9c0     syz-executor.1
7759  7759 3   1         0   fffff380177dd580     syz-executor.1 vmmpepl
2618  2618 2   1         0   fffff380177dd140     syz-executor.1
1164  1164 3   0         0   fffff38017661980     syz-executor.1 vmmpepl
7136  7136 3   1         0   fffff38017661540     syz-executor.1 vmmpepl
9183  9183 3   0         0   fffff38017661100     syz-executor.1 kmem-04096
1167  1167 3   0         0   fffff38017650940     syz-executor.1 kmem-04096
4656  4656 3   1         0   fffff38017650500     syz-executor.1 vmmpepl
6283  6283 3   0         0   fffff380176500c0     syz-executor.1 vmmpepl
6280  6280 2   1         0   fffff38013c4e900     syz-executor.1
6113  6113 3   1         0   fffff38013c4e4c0     syz-executor.1 uarea
3631  3631 2   1         0   fffff38017643480     syz-executor.1
1153  1153 3   0         0   fffff38013c4e080     syz-executor.1 vmmpepl
4169  4169 2   1         0   fffff380176438c0     syz-executor.1
6908  6908 3   1         0   fffff38017643040     syz-executor.1 uarea
6907  6907 2   1         0   fffff38017540bc0     syz-executor.1
5882  5882 3   0         0   fffff38017540780     syz-executor.1 kmem-04096
6905  6905 2   1         0   fffff38017540340     syz-executor.1
6904  6904 2   1         0   fffff3801752bb80     syz-executor.1
6903  6903 3   1         0   fffff3801752b740     syz-executor.1 anonget2
6902 >6902 7   0         0   fffff3801752b300     syz-executor.1
6901  6901 3   0         0   fffff38017517b40     syz-executor.1 vmmpepl
6900  6900 2   1         0   fffff38017517700     syz-executor.1
2631  2631 3   0         0   fffff380175172c0     syz-executor.1 vmmpepl
6898  6898 3   1         0   fffff3801742fb00     syz-executor.1 vmmpepl
6897  6897 2   1         0   fffff3801742f6c0     syz-executor.1
6896  6896 2   1         0   fffff3801742f280     syz-executor.1
6382  6382 3   0         0   fffff38017412ac0     syz-executor.1 vmmpepl
6893  6893 3   0         0   fffff38017412680     syz-executor.1 vmmpepl
1245  1245 2   1         0   fffff38017412240     syz-executor.1
3308  3308 3   0         0   fffff38017400a80     syz-executor.1 tstile
1259  1259 3   1         0   fffff38017400640     syz-executor.1 vmmpepl
1258  1258 2   1         0   fffff38017400200     syz-executor.1
8937  8937 2   1         0   fffff3801731ca40     syz-executor.1
7912  7912 3   1         0   fffff3801731c600     syz-executor.1 vmmpepl
2012  2012 2   1         0   fffff3801731c1c0     syz-executor.1
8423  8423 2   1         0   fffff380172ffa00     syz-executor.1
1253  1253 3   1         0   fffff380172ff5c0     syz-executor.1 vmmpepl
2011  2011 3   0         0   fffff380172ff180     syz-executor.1 vmmpepl
6883  6883 3   1         0   fffff380172e99c0     syz-executor.1 uarea
6798  6798 3   1         0   fffff380172e9580     syz-executor.1 vmmpepl
6881  6881 3   0         0   fffff380172e9140     syz-executor.1 kmem-04096
7904  7904 2   1         0   fffff380171e9980     syz-executor.1
9951  9951 3   0         0   fffff380171e9540     syz-executor.1 filedesc
2782  2782 3   0         0   fffff380171e9100     syz-executor.1 vmmpepl
2781  2781 3   1         0   fffff380171d4940     syz-executor.1 anonget2
2780  2780 3   0         0   fffff380171d4500     syz-executor.1 kmem-04096
2779  2779 3   0         0   fffff380171d40c0     syz-executor.1 kmem-04096
2778  2778 3   0         0   fffff380171be900     syz-executor.1 kmem-04096
7897  7897 3   1         0   fffff380171be4c0     syz-executor.1 vmmpepl
3288  3288 3   0         0   fffff380171be080     syz-executor.1 kmem-04096
3799  3799 3   1         0   fffff3801707d8c0     syz-executor.1 uarea
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8112  8112 3   1         0   fffff3801496e980     syz-executor.1 vmmpepl
5567  5567 3   0         0   fffff3801496e540     syz-executor.1 filedesc
913    913 3   0         0   fffff3801496e100     syz-executor.1 vmmpepl
8123  8123 3   0         0   fffff3801495a940     syz-executor.1 vmmpepl
7721  7721 3   1         0   fffff3801495a500     syz-executor.1 vmmpepl
5346  5346 3   1         0   fffff3801495a0c0     syz-executor.1 uarea
8235  8235 3   0         0   fffff380149464c0     syz-executor.1 vmmpepl
5982  5982 3   1         0   fffff38014946080     syz-executor.1 vmmpepl
5345  5345 3   0         0   fffff380149328c0     syz-executor.1 vmmpepl
5535  5535 3   0         0   fffff38014932480     syz-executor.1 vmmpepl
5539  5539 3   1         0   fffff38014932040     syz-executor.1 vmmpepl
5365  5365 3   1         0   fffff3801485bbc0     syz-executor.1 uarea
3757  3757 3   0         0   fffff3801485b780     syz-executor.1 vmmpepl
5418  5418 3   1         0   fffff3801485b340     syz-executor.1 vmmpepl
6077  6077 3   1         0   fffff38014845b80     syz-executor.1 vmmpepl
6190  6190 3   0         0   fffff38014845740     syz-executor.1 vmmpepl
8096  8096 3   1         0   fffff38014845300     syz-executor.1 uarea
6216  6216 3   0         0   fffff38014730b40     syz-executor.1 filedesc
5686  5686 3   0         0   fffff38014730700     syz-executor.1 filedesc
5981  5981 3   0         0   fffff380147302c0     syz-executor.1 vmmpepl
6234  6234 3   1         0   fffff380145b7b00     syz-executor.1 vmmpepl
5275  5275 3   1         0   fffff380145b76c0     syz-executor.1 vmmpepl
5958  5958 3   0         0   fffff380145b7280     syz-executor.1 filedesc
5372  5372 3   0         0   fffff38014248a80     syz-executor.1 vmmpepl
5533  5533 3   0         0   fffff38014248640     syz-executor.1 vmmpepl
6330  6330 3   1         0   fffff38014248200     syz-executor.1 vmmpepl
6981  6981 3   1         0   fffff380141a7980     syz-executor.1 uarea
5458  5458 3   1         0   fffff380141a7540     syz-executor.1 vmmpepl
5796  5796 3   0         0   fffff380141a7100     syz-executor.1 vmmpepl
6992  6992 3   1         0   fffff3801423c600     syz-executor.1 vmmpepl
7218  7218 3   0         0   fffff380142f3140     syz-executor.1 vmmpepl
5477  5477 3   0         0   fffff380138a6080     syz-executor.1 vmmpepl
5414  5414 3   0         0   fffff380145a6680     syz-executor.2 vmmpepl
5512  5512 3   0       180   fffff38014239a00     syz-executor.1 parked
6105  6105 3   1       180   fffff3801419c900     syz-executor.0 parked
5483  5483 3   0       180   fffff380142395c0     syz-executor.0 parked
5717  5717 3   1       1c0   fffff38013561a00     syz-executor.0 pipe_rd
4602  4602 3   0       1c0   fffff380134f2100     syz-executor.1 pipe_rd
6561  6561 3   1        40   fffff38013d2c540     syz-executor.4 vmmpepl
4133  4133 3   0       180   fffff380141a0940     syz-executor.3 parked
6455  6455 3   0       180   fffff3801419c4c0     syz-executor.5 parked
3998  3998 3   0       180   fffff380141a0500     syz-executor.5 parked
3879  3879 3   1       180   fffff380142f39c0     syz-executor.5 parked
3396  3396 3   1       1c0   fffff38013561180     syz-executor.5 pipe_rd
3136  3136 3   0       180   fffff3801402b8c0     syz-executor.3 parked
663    663 3   0         0   fffff3801402b480     syz-executor.3 vfork
2245  2245 3   0         0   fffff3801402b040     syz-executor.3 vfork
661    661 3   0         0   fffff38014021bc0     syz-executor.3 vfork
662    662 3   0         0   fffff38014021780     syz-executor.3 vfork
664    664 3   0         0   fffff38014021340     syz-executor.3 vfork
665    665 3   0         0   fffff38014016b80     syz-executor.3 vfork
666    666 3   0         0   fffff38014016740     syz-executor.3 vfork
652    652 3   0         0   fffff38014016300     syz-executor.3 vfork
658    658 3   0         0   fffff3801400db40     syz-executor.3 vfork
659    659 3   0         0   fffff3801400d700     syz-executor.3 vfork
660    660 3   0         0   fffff3801400d2c0     syz-executor.3 vfork
2729  2729 3   0         0   fffff38013d91b00     syz-executor.3 vfork
653    653 3   0         0   fffff38013d916c0     syz-executor.3 vfork
655    655 3   0         0   fffff38013d91280     syz-executor.3 vfork
656    656 3   0         0   fffff38013d88ac0     syz-executor.3 vfork
649    649 3   0         0   fffff38013d88680     syz-executor.3 vfork
2864  2864 3   0         0   fffff38013d88240     syz-executor.3 vfork
642    642 3   0         0   fffff38013d7fa80     syz-executor.3 vfork
646    646 3   0         0   fffff38013d7f640     syz-executor.3 vfork
650    650 3   0         0   fffff38013d7f200     syz-executor.3 vfork
645    645 3   0         0   fffff38013d74a40     syz-executor.3 vfork
647    647 3   0         0   fffff38013d74600     syz-executor.3 vfork
2873  2873 3   0         0   fffff38013d741c0     syz-executor.3 vfork
3124  3124 3   0         0   fffff38013d2d9c0     syz-executor.3 vfork
1868  1868 3   0         0   fffff38013d2d580     syz-executor.3 vfork
640    640 3   0         0   fffff38013d2d140     syz-executor.3 vfork
3155  3155 3   0         0   fffff38013d2ea00     syz-executor.3 vfork
3243  3243 3   0         0   fffff38013d2e5c0     syz-executor.3 vfork
3104  3104 3   0         0   fffff38013d2e180     syz-executor.3 vfork
3167  3167 3   0         0   fffff38013c75940     syz-executor.3 vfork
2921  2921 3   0         0   fffff38013c75500     syz-executor.3 vfork
3149  3149 3   0         0   fffff38013c750c0     syz-executor.3 vfork
2897  2897 4   0   1000000   fffff38013d2c980     syz-executor.3
2875  2875 4   0   1000000   fffff38013713a80     syz-executor.3
3401  3401 4   0   1000000   fffff38013713640     syz-executor.3
510   2869 3   0   1100000   fffff38013d2c100     syz-executor.3 vfork
510    510 3   0  11000000   fffff380138a64c0     syz-executor.3 lwpwait
3025  3025 3   0       180   fffff380139d0480     syz-executor.3 parked
2256  2256 4   0   1000000   fffff380139d0040     syz-executor.3
1486  1486 4   0   1000100   fffff380138072c0     syz-executor.3
3277  3277 4   0   1000000   fffff38013728ac0     syz-executor.3
1867  1996 3   0  11100000   fffff38013728680     syz-executor.3 vfork
1867  1867 3   0  11000000   fffff3801373c6c0     syz-executor.3 lwpwait
388    388 3   0       180   fffff3801381ab80     syz-executor.3 parked
385    385 4   0   1000000   fffff380139d08c0     syz-executor.3
2151  2151 4   1   1000000   fffff3801381a740     syz-executor.3
2634   387 3   0  11100000   fffff38013713200     syz-executor.3 vfork
2634  2634 3   0  11000000   fffff3801373cb00     syz-executor.3 lwpwait
2743  2743 3   0       180   fffff38013807b40     syz-executor.4 parked
2540  2540 3   0       180   fffff38013807700     syz-executor.4 parked
2081  2081 3   0       180   fffff3801373c280     syz-executor.4 parked
1970  1970 3   0       180   fffff380139ce780     syz-executor.1 parked
2095  2095 3   0       180   fffff380139cebc0     syz-executor.1 parked
990    990 3   1        40   fffff380134f2540     syz-executor.2 vmmpepl
1224  5972 3   0       180   fffff3801354b580         syz-fuzzer parked
1224  1244 3   1       180   fffff38013628600         syz-fuzzer parked
1224  1203 3   0       180   fffff380136281c0         syz-fuzzer wait
1224  1236 3   0       180   fffff380135615c0         syz-fuzzer parked
1224  1242 2   1        40   fffff3801354b9c0         syz-fuzzer
1224   829 3   0       180   fffff3801354b140         syz-fuzzer wait
1224  1120 3   0       180   fffff38012c64940         syz-fuzzer wait
1224  1243 3   1         0   fffff38012c64500         syz-fuzzer tstile
1224   989 3   1       180   fffff38012c640c0         syz-fuzzer parked
1224  1128 3   1       180   fffff38012ba2900         syz-fuzzer parked
1224   942 3   0       180   fffff38012ba24c0         syz-fuzzer wait
1224  1231 3   1       180   fffff38012ba2080         syz-fuzzer parked
1224  1237 3   1        40   fffff38012b748c0         syz-fuzzer tstile
1224  1224 3   0       1c0   fffff380122ffb00         syz-fuzzer wait
1080  1080 3   0       180   fffff380122ff6c0               sshd select
1222  1222 3   0       180   fffff38012b74480              getty nanoslp
1073  1073 3   0       180   fffff380122ff280              getty nanoslp
1082  1082 3   0        40   fffff380121feac0              getty flt_noram1
1151  1151 3   1       1c0   fffff380121fb200              getty ttyraw
1102  1102 3   0       180   fffff3801251d740               sshd select
1095  1095 3   0       180   fffff3801251d300             powerd kqueue
694    694 2   1         0   fffff380125fd780            syslogd
746    746 3   0       180   fffff38012b74040             dhcpcd poll
747    747 3   1       180   fffff3801238f2c0             dhcpcd poll
742    742 3   0       180   fffff3801238f700             dhcpcd poll
598    598 3   0       180   fffff380125fdbc0             dhcpcd poll
292    292 3   0       180   fffff380125fd340             dhcpcd poll
485    485 3   1       180   fffff3801238fb40             dhcpcd poll
291    291 3   1       180   fffff3801251db80             dhcpcd poll
1        1 3   0       180   fffff38011ede100               init wait
0     6236 5   0       200   fffff380145a6240           (zombie)
0     4908 3   0       3c0   fffff380134f2980             ktrace pipe_wr
0     7020 3   1       200   fffff380142f3580             ktrace ktrsync
0     2776 3   1       200   fffff3801423ca40             ktrace ktrwait
0      557 3   0       200   fffff380121fb640            physiod physiod
0      196 3   0       240   fffff380121fe680          pooldrain vmmpepl
0      195 3   1       200   fffff380121fe240            ioflush ktrsync
0    > 194 7   1     40240   fffff380121fba80           pgdaemon
0      167 3   1       200   fffff3801216ba40               usb7 usbevt
0      172 3   1       200   fffff3801216b600               usb6 usbevt
0      170 3   0       200   fffff3801216b1c0               usb5 usbevt
0      168 3   0       200   fffff3801213ca00               usb4 usbevt
0      166 3   0       200   fffff3801213c5c0               usb3 usbevt
0      165 3   0       200   fffff3801213c180               usb2 usbevt
0       31 3   1       200   fffff380120869c0               usb1 usbevt
0       63 3   0       200   fffff38012086580               usb0 usbevt
0      126 3   1       200   fffff38012086140         usbtask-dr usbtsk
0      125 3   1       200   fffff38011ede980         usbtask-hc usbtsk
0      124 3   0       200   fffff380103f5b00          swwreboot swwreboot
0      123 3   0       200   fffff38011ede540             npfgc0 ktrsync
0      122 3   1       200   fffff38011ed1940            rt_free rt_free
0      121 3   1       200   fffff38011ed1500              unpgc unpgc
0      120 3   0       200   fffff38011ed10c0    key_timehandler ktrsync
0      119 3   1       200   fffff38011ecd900    icmp6_wqinput/1 icmp6_wqinput
0      118 3   0       200   fffff38011ecd4c0    icmp6_wqinput/0 icmp6_wqinput
0      117 3   0       200   fffff38011ecd080          nd6_timer ktrsync
0      116 3   1       200   fffff38011eab8c0    carp6_wqinput/1 carp6_wqinput
0      115 3   0       200   fffff38011eab480    carp6_wqinput/0 carp6_wqinput
0      114 3   1       200   fffff38011eab040     carp_wqinput/1 carp_wqinput
0      113 3   0       200   fffff38011cedb80     carp_wqinput/0 carp_wqinput
0      112 3   1       200   fffff38011ced740     icmp_wqinput/1 icmp_wqinput
0      111 3   0       200   fffff38011cefbc0     icmp_wqinput/0 icmp_wqinput
0      110 3   0       200   fffff38011cef340           rt_timer ktrsync
0      109 3   0       200   fffff38011cef780        vmem_rehash vmem_rehash
0      100 3   0       200   fffff38011ced300          entbutler entropy
0       99 3   0       200   fffff380117e0b40              viomb balloon
0       98 3   1       200   fffff380117e0700      vioif0_txrx/1 vioif0_txrx
0       97 3   0       200   fffff380117e02c0      vioif0_txrx/0 vioif0_txrx
0       30 3   0       200   fffff380103f56c0           scsibus0 sccomp
0       29 3   0       200   fffff380103f5280               pms0 pmsreset
0       28 3   1       200   fffff380103daac0            xcall/1 xcall
0       27 1   1       200   fffff380103da680          softser/1
0       26 1   1       200   fffff380103da240          softclk/1
0       25 1   1       200   fffff380103d8a80          softbio/1
0       24 1   1       200   fffff380103d8640          softnet/1
0       23 1   1       201   fffff380103d8200             idle/1
0       22 3   0       200   fffff3800f1f4a40           lnxsyswq lnxsyswq
0       21 3   0       200   fffff3800f1f4600           lnxubdwq lnxubdwq
0       20 3   0       200   fffff3800f1f41c0           lnxpwrwq lnxpwrwq
0       19 3   0       200   fffff3800f1f2a00           lnxlngwq lnxlngwq
0       18 3   0       200   fffff3800f1f25c0           lnxhipwq lnxhipwq
0       17 3   0       200   fffff3800f1f2180           lnxrcugc lnxrcugc
0       16 3   0       200   fffff3800f1ec9c0             sysmon smtaskq
0       15 3   0       200   fffff3800f1ec580         pmfsuspend pmfsuspend
0       14 3   0       200   fffff3800f1ec140           pmfevent pmfevent
0       13 3   0       200   fffff3800f1e9980         sopendfree sopendfr
0       12 3   0       200   fffff3800f1e9540             ifwdog ktrsync
0       11 3   0       200   fffff3800f1e9100            iflnkst iflnkst
0       10 3   0       200   fffff3800f1df940           nfssilly nfssilly
0        9 3   1       200   fffff3800f1df500             vdrain vdrain
0        8 3   0       200   fffff3800f1df0c0          modunload mod_unld
0        7 3   0       200   fffff3800ebdb900            xcall/0 xcall
0        6 1   0       200   fffff3800ebdb4c0          softser/0
0        5 1   0       200   fffff3800ebdb080          softclk/0
0        4 1   0       200   fffff3800ebd98c0          softbio/0
0        3 1   0       200   fffff3800ebd9480          softnet/0
0        2 1   0       201   fffff3800ebd9040             idle/0
0        0 3   0       200   ffffffff8686bec0            swapper ktrsync
[Locks tracked through LWPs]

****** LWP 3376.3376 (syz-executor.1) @ 0xfffff38018b8a8c0, l_stat=2

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvm_map_setup sys/uvm/uvm_map.c:4789 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_init sys/uvm/uvm_map.c:4132 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_alloc sys/uvm/uvm_map.c:4111 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 sys/uvm/uvm_map.c:4588)
lock address : fffff380183a1920
type         : sleep/adaptive
initialized  : netbsd:uvmspace_fork+0x3e4
shared holds :                  0 exclusive:                  0
shares wanted:                  1 exclusive:                  0
relevant cpu :                  1 last held:              65535
relevant lwp : 0xfffff38018b8a8c0 last held: 000000000000000000
last locked  : netbsd:uvm_fault_internal+0xcebb
unlocked*    : netbsd:uvm_fault_lower_enter+0x1f45
owner/count  : 0x0000000000000020 flags    : 000000000000000000
Turnstile: no active turnstile for this lock.

****** LWP 1306.1306 (syz-executor.1) @ 0xfffff38018967680, l_stat=2

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:amap_ctor+0xdf sys/uvm/uvm_amap.c:265)
lock address : fffff3801350b200
type         : sleep/adaptive
initialized  : netbsd:amap_ctor+0xdf
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  7
relevant cpu :                  1 last held:                  1
relevant lwp : 0xfffff38018967680 last held: 0xfffff38017643480
last locked* : netbsd:uvmfault_anonget+0x1bb4
unlocked     : netbsd:uvm_fault_upper_enter+0xaba
owner/count  : 0xfffff38017643480 flags    : 0x0000000000000007
Turnstile:
=> 0 waiting readers:
=> 2 waiting writers: 0xfffff38016c01900 0xfffff38017400a80

****** LWP 1198.1198 (syz-executor.1) @ 0xfffff3801882f200, l_stat=3

*** Locks held:

* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvm_map_setup sys/uvm/uvm_map.c:4789 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_init sys/uvm/uvm_map.c:4132 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_alloc sys/uvm/uvm_map.c:4111 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 sys/uvm/uvm_map.c:4588)
lock address : fffff380163b57c0
type         : sleep/adaptive
initialized  : netbsd:uvmspace_fork+0x3e4
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
relevant cpu :                  0 last held:                  0
relevant lwp : 0xfffff3801882f200 last held: 0xfffff3801882f200
last locked* : netbsd:vm_map_lock+0x57
unlocked     : netbsd:uvm_fault_upper_enter+0x161a
owner/count  : 0xfffff3801882f200 flags    : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 940.940 (syz-executor.1) @ 0xfffff38018825600, l_stat=2

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvm_map_setup sys/uvm/uvm_map.c:4789 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_init sys/uvm/uvm_map.c:4132 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_alloc sys/uvm/uvm_map.c:4111 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 sys/uvm/uvm_map.c:4588)
lock address : fffff380163b5510
type         : sleep/adaptive
initialized  : netbsd:uvmspace_fork+0x3e4
shared holds :                  0 exclusive:                  0
shares wanted:                  1 exclusive:                  0
relevant cpu :                  1 last held:              65535
relevant lwp : 0xfffff38018825600 last held: 000000000000000000
last locked  : netbsd:uvm_fault_internal+0xcebb
unlocked*    : netbsd:uvmfault_anonget+0x188d
owner/count  : 0x0000000000000020 flags    : 000000000000000000
Turnstile: no active turnstile for this lock.

****** LWP 934.934 (syz-executor.1) @ 0xfffff3801881e5c0, l_stat=3

*** Locks held:

* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvm_map_setup sys/uvm/uvm_map.c:4789 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_init sys/uvm/uvm_map.c:4132 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_alloc sys/uvm/uvm_map.c:4111 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 sys/uvm/uvm_map.c:4588)
lock address : fffff3801612ad18
type         : sleep/adaptive
initialized  : netbsd:uvmspace_fork+0x3e4
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
relevant cpu :                  1 last held:                  1
relevant lwp : 0xfffff3801881e5c0 last held: 0xfffff3801881e5c0
last locked* : netbsd:vm_map_lock+0x57
unlocked     : netbsd:uvm_fault_lower_enter+0x2071
owner/count  : 0xfffff3801881e5c0 flags    : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 1551.1551 (syz-executor.1) @ 0xfffff3801881e180, l_stat=3

*** Locks held:

* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvm_map_setup sys/uvm/uvm_map.c:4789 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_init sys/uvm/uvm_map.c:4132 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_alloc sys/uvm/uvm_map.c:4111 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 sys/uvm/uvm_map.c:4588)
lock address : fffff38016510950
type         : sleep/adaptive
initialized  : netbsd:uvmspace_fork+0x3e4
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
relevant cpu :                  0 last held:                  0
relevant lwp : 0xfffff3801881e180 last held: 0xfffff3801881e180
last locked* : netbsd:vm_map_lock+0x57
unlocked     : netbsd:uvm_fault_lower_enter+0x2071
owner/count  : 0xfffff3801881e180 flags    : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 1546.1546 (syz-executor.1) @ 0xfffff380185f04c0, l_stat=3

*** Locks held:

* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvm_map_setup sys/uvm/uvm_map.c:4789 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_init sys/uvm/uvm_map.c:4132 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_alloc sys/uvm/uvm_map.c:4111 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 sys/uvm/uvm_map.c:4588)
lock address : fffff38016572708
type         : sleep/adaptive
initialized  : netbsd:uvmspace_fork+0x3e4
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
relevant cpu :                  0 last held:                  0
relevant lwp : 0xfffff380185f04c0 last held: 0xfffff380185f04c0
last locked* : netbsd:vm_map_lock+0x57
unlocked     : netbsd:uvm_fault_lower_enter+0x2071
owner/count  : 0xfffff380185f04c0 flags    : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 1542.1542 (syz-executor.1) @ 0xfffff380185e9480, l_stat=2

*** Locks held:

* Lock 0 (initialized at netbsd:pool_init+0x2061 sys/kern/subr_pool.c:981)
lock address : fffff3800eb9b270
type         : sleep/adaptive
initialized  : netbsd:pool_init+0x2061
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
relevant cpu :                  1 last held:                  1
relevant lwp : 0xfffff380185e9480 last held: 0xfffff380185e9480
last locked* : netbsd:pool_grow+0x5d6
unlocked     : netbsd:cv_enter+0x80b
owner field  : 0xfffff380185e9480 wait/spin:                0/0
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 5413.5413 (syz-executor.1) @ 0xfffff3801837fb00, l_stat=3

*** Locks held:

* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvm_map_setup sys/uvm/uvm_map.c:4789 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_init sys/uvm/uvm_map.c:4132 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_alloc sys/uvm/uvm_map.c:4111 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 sys/uvm/uvm_map.c:4588)
lock address : fffff380183a17c8
type         : sleep/adaptive
initialized  : netbsd:uvmspace_fork+0x3e4
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
relevant cpu :                  0 last held:                  1
relevant lwp : 0xfffff3801837fb00 last held: 0xfffff3801837fb00
last locked* : netbsd:vm_map_lock+0x57
unlocked     : netbsd:uvm_fault_lower_enter+0x2071
owner/count  : 0xfffff3801837fb00 flags    : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 4937.4937 (syz-executor.1) @ 0xfffff3801851d300, l_stat=3

*** Locks held:

* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvm_map_setup sys/uvm/uvm_map.c:4789 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_init sys/uvm/uvm_map.c:4132 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_alloc sys/uvm/uvm_map.c:4111 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 sys/uvm/uvm_map.c:4588)
lock address : fffff3801802fa70
type         : sleep/adaptive
initialized  : netbsd:uvmspace_fork+0x3e4
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
relevant cpu :                  0 last held:                  0
relevant lwp : 0xfffff3801851d300 last held: 0xfffff3801851d300
last locked* : netbsd:vm_map_lock+0x57
unlocked     : netbsd:uvm_fault_lower_enter+0x2071
owner/count  : 0xfffff3801851d300 flags    : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 3381.3381 (syz-executor.1) @ 0xfffff38018513b40, l_stat=3

*** Locks held:

* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvm_map_setup sys/uvm/uvm_map.c:4789 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_init sys/uvm/uvm_map.c:4132 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_alloc sys/uvm/uvm_map.c:4111 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 sys/uvm/uvm_map.c:4588)
lock address : fffff380183a1e80
type         : sleep/adaptive
initialized  : netbsd:uvmspace_fork+0x3e4
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
relevant cpu :                  0 last held:                  0
relevant lwp : 0xfffff38018513b40 last held: 0xfffff38018513b40
last locked* : netbsd:vm_map_lock+0x57
unlocked     : netbsd:uvm_fault_lower_enter+0x2071
owner/count  : 0xfffff38018513b40 flags    : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 3891.3891 (syz-executor.1) @ 0xfffff38018513700, l_stat=3

*** Locks held:

* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvm_map_setup sys/uvm/uvm_map.c:4789 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_init sys/uvm/uvm_map.c:4132 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_alloc sys/uvm/uvm_map.c:4111 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 sys/uvm/uvm_map.c:4588)
lock address : fffff380183a1d28
type         : sleep/adaptive
initialized  : netbsd:uvmspace_fork+0x3e4
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
relevant cpu :                  0 last held:                  0
relevant lwp : 0xfffff38018513700 last held: 0xfffff38018513700
last locked* : netbsd:vm_map_lock+0x57
unlocked     : netbsd:uvm_fault_lower_enter+0x2071
owner/count  : 0xfffff38018513700 flags    : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 2353.2353 (syz-executor.1) @ 0xfffff380185132c0, l_stat=3

*** Locks held:

* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvm_map_setup sys/uvm/uvm_map.c:4789 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_init sys/uvm/uvm_map.c:4132 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_alloc sys/uvm/uvm_map.c:4111 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 sys/uvm/uvm_map.c:4588)
lock address : fffff380183a1a78
type         : sleep/adaptive
initialized  : netbsd:uvmspace_fork+0x3e4
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
relevant cpu :                  1 last held:                  0
relevant lwp : 0xfffff380185132c0 last held: 0xfffff380185132c0
last locked* : netbsd:vm_map_lock+0x57
unlocked     : netbsd:uvm_fault_lower_enter+0x2071
owner/count  : 0xfffff380185132c0 flags    : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 6467.6467 (syz-executor.1) @ 0xfffff3801837f6c0, l_stat=3

*** Locks held:

* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvm_map_setup sys/uvm/uvm_map.c:4789 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_init sys/uvm/uvm_map.c:4132 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_alloc sys/uvm/uvm_map.c:4111 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 sys/uvm/uvm_map.c:4588)
lock address : fffff380183a1518
type         : sleep/adaptive
initialized  : netbsd:uvmspace_fork+0x3e4
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
relevant cpu :                  0 last held:                  1
relevant lwp : 0xfffff3801837f6c0 last held: 0xfffff3801837f6c0
last locked* : netbsd:vm_map_lock+0x57
unlocked     : netbsd:uvm_fault_lower_enter+0x2071
owner/count  : 0xfffff3801837f6c0 flags    : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 3387.3387 (syz-executor.1) @ 0xfffff3801678da40, l_stat=2

*** Locks held:

* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvm_map_setup sys/uvm/uvm_map.c:4789 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_init sys/uvm/uvm_map.c:4132 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_alloc sys/uvm/uvm_map.c:4111 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 sys/uvm/uvm_map.c:4588)
lock address : fffff380183a13c0
type         : sleep/adaptive
initialized  : netbsd:uvmspace_fork+0x3e4
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
relevant cpu :                  1 last held:                  1
relevant lwp : 0xfffff3801678da40 last held: 0xfffff3801678da40
last locked* : netbsd:vm_map_lock+0x57
unlocked     : netbsd:uvm_fault_lower_enter+0x2071
owner/count  : 0xfffff3801678da40 flags    : 0x0000000000000004
Turnstile: no active turnstile 

---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller%googlegroups.com@localhost.

syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.

If the bug is already fixed, let syzbot know by replying with:
#syz fix: exact-commit-title

If you want to change bug's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)

If the bug is a duplicate of another bug, reply with:
#syz dup: exact-subject-of-another-report

If you want to undo deduplication, reply with:
#syz undup

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