uvm_fault(0xffffffff839c1410, 0xffff8000245e3ef0, 0, 1) -> d
kernel: page fault trap, code=0
Stopped at ffs2_balloc+0xa0d: movq 0(%rcx,%rax,8),%r14
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*469023 91058 0 0x1000 0x4080000 1K syz-executor
158453 54585 0 0x2 0 0 syz-executor
ffs2_balloc(fffffd806e14c3f0,fa8000,4000,fffffd80097fb138,2,ffff80003c46d1a8) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614
ffs_write(ffff80003c46d230) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345
VOP_WRITE(fffffd805e6202b8,ffff80003c46d3e8,7,fffffd80097fb138) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
vn_write(fffffd806cba0ec8,ffff80003c46d3e8,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408
dofilewritev(ffff80003c449cc0,5,ffff80003c46d3e8,0,ffff80003c46d4a0) at dofilewritev+0x242 sys/kern/sys_generic.c:380
sys_write(ffff80003c449cc0,ffff80003c46d550,ffff80003c46d4a0) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80003c46d550) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c46d550) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc123921430, count: 7
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
*cpu1: uvm_fault(0xffffffff839c1410, 0xffff8000245e3ef0, 0, 1) -> d
ddb{1}> trace
ffs2_balloc(fffffd806e14c3f0,fa8000,4000,fffffd80097fb138,2,ffff80003c46d1a8) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614
ffs_write(ffff80003c46d230) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345
VOP_WRITE(fffffd805e6202b8,ffff80003c46d3e8,7,fffffd80097fb138) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
vn_write(fffffd806cba0ec8,ffff80003c46d3e8,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408
dofilewritev(ffff80003c449cc0,5,ffff80003c46d3e8,0,ffff80003c46d4a0) at dofilewritev+0x242 sys/kern/sys_generic.c:380
sys_write(ffff80003c449cc0,ffff80003c46d550,ffff80003c46d4a0) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80003c46d550) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c46d550) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc123921430, count: -8
ddb{1}> show registers
rdi 0
rsi 0x2
rbp 0xffff80003c46d150
rbx 0
rdx 0
rcx 0xffff8000245e2000
rax 0x3de
r8 0xffffffffffffffff
r9 0xffff80003c46d1a8
r10 0xf87b4d833747905e
r11 0xf1a9ea28d663c635
r12 0x1
r13 0xffff800000b50000
r14 0xffff80003c46cfe0
r15 0xfffffd8065f9f690
rip 0xffffffff81a086bd ffs2_balloc+0xa0d
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80003c46cfd0
ss 0
ffs2_balloc+0xa0d: movq 0(%rcx,%rax,8),%r14
ddb{1}> show proc
PROC (syz-executor) tid=469023 pid=91058 tcnt=2 stat=onproc
flags process=1000<SINGLEEXIT> proc=4080000<SUSPSINGLE,THREAD>
runpri=17, usrpri=82, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0xffff80003c426028 scnt=1 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003c426028,0xffff80003c4497a0
process=0xffff80003c428e90 user=0xffff80003c468000, vmspace=0xfffffd806c21d9a0
estcpu=32, cpticks=133, pctcpu=1.14, user=0, sys=29, intr=104
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
38901 318130 14634 0 2 0 syz-executor
72230 236697 47527 0 2 0x10 syz-executor
72230 433182 47527 0 2 0x4000010 syz-executor
88772 505376 68324 0 2 0 syz-executor
88772 166448 68324 0 3 0x4000080 fsleep syz-executor
30453 8008 58508 0 2 0xc80 syz-executor
30453 427618 58508 0 3 0x4000080 ttyin syz-executor
71586 506169 71676 -1 2 0xc90 syz-executor
71586 20301 71676 -1 3 0x4000090 lockf syz-executor
71586 361096 71676 -1 3 0x4000090 fsleep syz-executor
91058 245375 32522 0 3 0x3000 suspend syz-executor
*91058 469023 32522 0 7 0x4081000 syz-executor
15766 75820 39192 0 2 0xc82 syz-executor
6368 363527 0 0 3 0x14200 acct acct
46515 18112 0 0 3 0x14280 nfsidl nfsio
68698 146130 0 0 3 0x14280 nfsidl nfsio
69713 142644 0 0 3 0x14280 nfsidl nfsio
68218 121212 0 0 3 0x14280 nfsidl nfsio
26536 369897 0 0 3 0x14280 nfsidl nfsio
25856 306548 0 0 3 0x14280 nfsidl nfsio
87715 143322 0 0 3 0x14280 nfsidl nfsio
37576 199809 0 0 3 0x14280 nfsidl nfsio
49664 38984 0 0 3 0x14280 nfsidl nfsio
31593 420084 0 0 3 0x14280 nfsidl nfsio
95094 347541 0 0 3 0x14280 nfsidl nfsio
60533 292874 0 0 3 0x14280 nfsidl nfsio
45296 81871 0 0 3 0x14280 nfsidl nfsio
84429 461967 0 0 3 0x14280 nfsidl nfsio
86776 300255 0 0 3 0x14280 nfsidl nfsio
83077 154908 0 0 3 0x14280 nfsidl nfsio
39088 420529 0 0 3 0x14280 nfsidl nfsio
61807 108360 0 0 3 0x14280 nfsidl nfsio
85081 267245 0 0 3 0x14280 nfsidl nfsio
35312 252900 0 0 3 0x14280 nfsidl nfsio
82316 228878 0 0 3 0x14200 bored sosplice
14634 56178 39192 0 2 0x2 syz-executor
68324 152375 39192 0 2 0xc82 syz-executor
54585 158453 39192 0 7 0x2 syz-executor
58508 8099 39192 0 2 0xc82 syz-executor
47527 282373 39192 0 2 0xc82 syz-executor
32522 351341 39192 0 3 0x82 wait syz-executor
71676 176765 39192 0 2 0xc82 syz-executor
39192 55000 62524 0 3 0x82 kqread syz-executor
62524 414344 36351 0 3 0x10008a sigsusp ksh
36351 416588 51127 0 3 0x98 kqread sshd-session
51127 311352 69845 0 3 0x92 kqread sshd-session
53326 178184 1 0 3 0x100083 ttyopn getty
69845 78425 1 0 3 0x88 kqread sshd
79577 414610 41761 74 3 0x1100092 bpf pflogd
41761 203702 1 0 3 0x80 sbwait pflogd
93793 118731 8556 73 3 0x1100090 kqread syslogd
8556 182800 1 0 3 0x100082 sbwait syslogd
33467 32209 1 0 3 0x100080 kqread resolvd
9593 303584 62003 77 3 0x100092 kqread dhcpleased
71163 246830 62003 77 3 0x100092 kqread dhcpleased
62003 288083 1 0 3 0x80 kqread dhcpleased
32146 385521 0 0 3 0x14200 bored smr
60219 449466 0 0 3 0x14200 pgzero zerothread
47498 179451 0 0 3 0x14200 aiodoned aiodoned
33288 79028 0 0 3 0x14200 syncer update
47959 126254 0 0 3 0x14200 cleaner cleaner
7192 298086 0 0 3 0x14200 reaper reaper
4200 431286 0 0 3 0x14200 pgdaemon pagedaemon
40910 453958 0 0 3 0x14200 bored viomb
88462 190073 0 0 3 0x40014200 acpi0 acpi0
93626 494047 0 0 3 0x40014200 idle1
63390 172054 0 0 3 0x14200 bored softnet1
64329 355003 0 0 2 0x14200 softnet0
60189 371018 0 0 3 0x14200 bored systqmp
78828 82140 0 0 3 0x14200 bored systq
60596 238572 0 0 3 0x14200 tmoslp softclockmp
11339 505390 0 0 3 0x40014200 tmoslp softclock
41389 408667 0 0 3 0x40014200 idle0
1 239902 0 0 3 0x82 wait init
0 0 -1 0 3 0x10010200 scheduler swapper
ddb{1}> show all locks
Process 91058 (syz-executor) thread 0xffff80003c449cc0 (469023)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839d3030)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1
#2 sleep_finish+0x2d8 sys/kern/kern_synch.c:367
#3 biowait+0xc6 sys/kern/vfs_bio.c:1242
#4 bwrite+0x2e7 sys/kern/vfs_bio.c:754
#5 ffs_write+0x810 sys/ufs/ffs/ffs_vnops.c:377
#6 VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
#7 vn_write+0x1d3 sys/kern/vfs_vnops.c:408
#8 dofilewritev+0x242 sys/kern/sys_generic.c:380
#9 sys_write+0xa2 sys/kern/sys_generic.c:300
#10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806e14c490)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vn_write+0x18f sys/kern/vfs_vnops.c:405
#6 dofilewritev+0x242 sys/kern/sys_generic.c:380
#7 sys_write+0xa2 sys/kern/sys_generic.c:300
#8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
#9 Xsyscall+0x128
Process 54585 (syz-executor) thread 0xffff8000fffefca0 (158453)
exclusive rrwlock inode r = 0 (0xfffffd806e20bb88)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vget+0x2a2 sys/kern/vfs_subr.c:687
#6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98
#7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203
#8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478
#9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566
#11 namei+0x7ca sys/kern/vfs_lookup.c:250
#12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868
#13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806a9a8210)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vget+0x2a2 sys/kern/vfs_subr.c:687
#6 cache_lookup+0x351 sys/kern/vfs_cache.c:222
#7 ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160
#8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#9 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566
#10 namei+0x7ca sys/kern/vfs_lookup.c:250
#11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868
#12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748
#13 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10216 11087K 11288K 166960K 12057 0
pcb 17 14K 16K 166960K 194 0
rtable 230 12K 12K 166960K 487 0
pf 39 18K 20K 166960K 128 0
ifaddr 40 7K 8K 166960K 91 0
ifgroup 55 2K 3K 166960K 150 0
sysctl 4 1K 9K 166960K 12 0
counters 68 36K 38K 166960K 162 0
ioctlops 0 0K 4K 166960K 1639 0
iov 0 0K 12K 166960K 36 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1399 88K 88K 166960K 1972 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 17 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 64 0
dirhash 12 2K 2K 166960K 24 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 17 61K 240K 166960K 835 0
sigio 0 0K 0K 166960K 20 0
proc 72 115K 164K 166960K 624 0
subproc 72 4K 4K 166960K 81 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 223 0
in_multi 89 6K 7K 166960K 149 0
ether_multi 1 0K 0K 166960K 10 0
mrt 0 0K 0K 166960K 7 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 85 387K 387K 166960K 85 0
exec 0 0K 1K 166960K 553 0
fusefs mount 1 32K 32K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 241 151K 177K 166960K 9299 0
UVM aobj 95 3K 3K 166960K 97 0
pinsyscall 42 84K 103K 166960K 1999 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 1 0K 0K 166960K 33 0
NDP 12 0K 1K 166960K 64 0
temp 66 8653K 8717K 166960K 29141 0
kqueue 14 22K 32K 166960K 146 0
SYN cache 2 16K 16K 166960K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 26 0 0 1 0 1 1 0 8 0
rtpcb 120 79 0 76 1 0 1 1 0 8 0
rtentry 176 146 0 55 6 0 6 6 0 8 0
unpcb 144 557 0 539 9 5 4 4 0 8 3
syncache 336 12 0 12 4 3 1 1 0 8 1
tcpqe 32 5 0 5 4 4 0 1 0 8 0
tcpcb 736 324 0 315 13 6 7 7 0 8 5
arp 136 26 0 9 1 0 1 1 0 8 0
inpcb 328 957 0 943 20 13 7 12 0 8 5
nd6 152 32 0 7 2 0 2 2 0 8 0
pkpcb 40 4 0 4 2 1 1 1 0 8 1
kcovpl 48 9 0 1 1 0 1 1 0 8 0
ppxss 1192 37 0 37 4 3 1 1 0 8 1
pppxif 1504 1 0 1 1 1 0 1 0 8 0
pfstscr 40 3 0 3 2 1 1 1 0 8 1
pffrag 232 7 0 3 1 0 1 1 0 482 0
pffrnode 88 7 0 3 1 0 1 1 0 8 0
pffrent 40 12 0 8 1 0 1 1 0 8 0
pfosfp 40 1429 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1429 0 714 21 0 21 21 0 8 0
pfrktable 1344 2 0 0 1 0 1 1 0 8 0
pfstitem 24 59 0 17 1 0 1 1 0 8 0
pfstkey 128 64 0 23 2 0 2 2 0 8 0
pfstate 384 60 0 20 5 0 5 5 0 8 0
pfrule 1344 25 0 19 2 1 1 2 0 8 0
art_heap8 4096 3 0 0 3 0 3 3 0 8 0
art_heap4 256 600 0 217 32 3 29 32 0 8 2
art_table 40 603 0 217 6 0 6 6 0 8 0
art_node 32 146 0 66 1 0 1 1 0 8 0
sysvmsgpl 40 10 0 8 3 2 1 1 0 8 0
semupl 112 2 0 2 2 2 0 1 0 8 0
semapl 112 62 0 52 1 0 1 1 0 8 0
shmpl 112 94 0 2 3 0 3 3 0 8 0
dirhash 1024 25 0 8 3 0 3 3 0 8 0
dino2pl 256 2921 0 1410 96 0 96 96 0 8 0
ffsino 296 2921 0 1410 118 1 117 118 0 8 0
nchpl 144 4060 0 2356 64 0 64 64 0 8 0
rtmask 32 5 0 5 3 2 1 1 0 8 1
vnodes 216 3301 0 0 184 0 184 184 0 8 0
namei 1024 13520 0 13520 4 3 1 2 0 8 1
percpumem 16 96 0 47 1 0 1 1 0 8 0
kstatmem 264 96 0 68 5 2 3 3 0 8 0
scsiplug 72 4 0 4 3 2 1 1 0 8 1
scxspl 216 20245 0 20245 10 9 1 8 1 8 1
plimitpl 152 137 0 118 1 0 1 1 0 8 0
sigapl 424 1146 0 1077 10 1 9 9 0 8 0
knotepl 120 522 0 0 16 0 16 16 0 8 0
kqueuepl 224 360 0 350 9 4 5 5 0 8 4
pipepl 344 192 0 164 3 0 3 3 0 8 0
fdescpl 528 1107 0 1076 3 0 3 3 0 8 0
filepl 160 6680 0 6452 19 6 13 15 0 8 2
lockfpl 104 204 0 199 1 0 1 1 0 8 0
lockfspl 48 79 0 76 1 0 1 1 0 8 0
sessionpl 144 31 0 22 1 0 1 1 0 8 0
pgrppl 48 52 0 35 1 0 1 1 0 8 0
ucredpl 104 1129 0 1112 1 0 1 1 0 8 0
zombiepl 144 1183 0 1181 2 1 1 1 0 8 0
processpl 1232 1146 0 1077 6 0 6 6 0 8 0
procpl 664 2335 0 2260 8 0 8 8 0 8 0
sosppl 168 4 0 4 3 2 1 1 0 8 1
sockpl 752 1616 0 1581 30 19 11 17 0 8 6
mcl64k 65536 29 0 0 4 0 4 4 0 8 0
mcl12k 12288 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 118 0 0 15 0 15 15 0 8 0
mcl2k 2048 49 0 0 7 0 7 7 0 8 0
mtagpl 96 3 0 0 1 0 1 1 0 8 0
mbufpl 256 243 0 0 15 0 15 15 0 8 0
bufpl 280 7699 0 1562 439 0 439 439 0 8 0
anonpl 32 11180 0 0 90 0 90 90 0 246 0
amapchunkpl 152 30193 0 29703 41 13 28 28 0 158 4
amappl16 200 4372 0 4099 41 14 27 27 0 8 11
amappl15 192 8 0 8 1 1 0 1 0 8 0
amappl14 184 7 0 7 1 1 0 1 0 8 0
amappl13 176 438 0 437 1 0 1 1 0 8 0
amappl12 168 1508 0 1467 3 0 3 3 0 8 0
amappl11 160 2 0 2 1 1 0 1 0 8 0
amappl10 152 52 0 38 1 0 1 1 0 8 0
amappl9 144 253 0 252 1 0 1 1 0 8 0
amappl8 136 26 0 24 1 0 1 1 0 8 0
amappl7 128 80 0 79 1 0 1 1 0 8 0
amappl6 120 297 0 283 1 0 1 1 0 8 0
amappl5 112 90 0 78 1 0 1 1 0 8 0
amappl4 104 550 0 519 1 0 1 1 0 8 0
amappl3 96 5270 0 5181 4 1 3 3 0 8 0
amappl2 88 1285 0 1209 2 0 2 2 0 8 0
amappl1 80 14185 0 13593 17 1 16 16 0 8 1
amappl 88 8396 0 8232 5 0 5 5 0 92 0
uvmvnodes 80 3301 0 0 68 0 68 68 0 8 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma2048 2048 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma512 512 1 0 1 1 1 0 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 19 0 18 1 0 1 1 0 8 0
aobjpl 72 96 0 2 2 0 2 2 0 8 0
uaddrrnd 24 1107 0 1076 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1107 0 1076 1 0 1 1 0 8 0
vmmpekpl 168 11229 0 11183 3 0 3 3 0 8 0
vmmpepl 168 80292 0 78134 118 11 107 107 0 357 8
vmsppl 488 1106 0 1076 5 0 5 5 0 8 1
rwobjpl 80 28628 0 24062 99 1 98 98 0 8 3
pdppl 4096 2221 0 2152 119 48 71 85 0 8 2
pvpl 32 19061 0 0 154 0 154 154 0 265 0
pmappl 256 1106 0 1076 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 324 0 67 8 0 8 8 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffffffff83837ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff839d2e28) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline]
__mp_lock(ffffffff839d2e28) at __mp_lock+0x192 sys/kern/kern_lock.c:165
__mp_acquire_count(ffffffff839d2e28,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1
sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:367
biowait(fffffd800e421028) at biowait+0xc6 sys/kern/vfs_bio.c:1242
bwrite(fffffd800e421028) at bwrite+0x2e7 sys/kern/vfs_bio.c:754
ufs_dirremove(fffffd805d1d6d88,fffffd806e20bae8,800c,0) at ufs_dirremove+0x290 sys/ufs/ufs/ufs_lookup.c:919
ufs_remove(ffff80002a3747b0) at ufs_remove+0x1a7 sys/ufs/ufs/ufs_vnops.c:594
VOP_REMOVE(fffffd805d1d6d88,fffffd805d1d6bd8,ffff80002a374888) at VOP_REMOVE+0x172 sys/kern/vfs_vops.c:331
dounlinkat(ffff8000fffefca0,ffffff9c,7cec4e903e50,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904
syscall(ffff80002a374a00) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a374a00) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7cec4e904300, count: 1
ddb{0}> trace
x86_ipi_db(ffffffff83837ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff839d2e28) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline]
__mp_lock(ffffffff839d2e28) at __mp_lock+0x192 sys/kern/kern_lock.c:165
__mp_acquire_count(ffffffff839d2e28,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1
sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:367
biowait(fffffd800e421028) at biowait+0xc6 sys/kern/vfs_bio.c:1242
bwrite(fffffd800e421028) at bwrite+0x2e7 sys/kern/vfs_bio.c:754
ufs_dirremove(fffffd805d1d6d88,fffffd806e20bae8,800c,0) at ufs_dirremove+0x290 sys/ufs/ufs/ufs_lookup.c:919
ufs_remove(ffff80002a3747b0) at ufs_remove+0x1a7 sys/ufs/ufs/ufs_vnops.c:594
VOP_REMOVE(fffffd805d1d6d88,fffffd805d1d6bd8,ffff80002a374888) at VOP_REMOVE+0x172 sys/kern/vfs_vops.c:331
dounlinkat(ffff8000fffefca0,ffffff9c,7cec4e903e50,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904
syscall(ffff80002a374a00) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a374a00) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7cec4e904300, count: -14
ddb{0}> machine ddbcpu 1
Stopped at ffs2_balloc+0xa0d: movq 0(%rcx,%rax,8),%r14
ffs2_balloc(fffffd806e14c3f0,fa8000,4000,fffffd80097fb138,2,ffff80003c46d1a8) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614
ffs_write(ffff80003c46d230) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345
VOP_WRITE(fffffd805e6202b8,ffff80003c46d3e8,7,fffffd80097fb138) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
vn_write(fffffd806cba0ec8,ffff80003c46d3e8,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408
dofilewritev(ffff80003c449cc0,5,ffff80003c46d3e8,0,ffff80003c46d4a0) at dofilewritev+0x242 sys/kern/sys_generic.c:380
sys_write(ffff80003c449cc0,ffff80003c46d550,ffff80003c46d4a0) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80003c46d550) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c46d550) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc123921430, count: 7
ddb{1}> trace
ffs2_balloc(fffffd806e14c3f0,fa8000,4000,fffffd80097fb138,2,ffff80003c46d1a8) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614
ffs_write(ffff80003c46d230) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345
VOP_WRITE(fffffd805e6202b8,ffff80003c46d3e8,7,fffffd80097fb138) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
vn_write(fffffd806cba0ec8,ffff80003c46d3e8,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408
dofilewritev(ffff80003c449cc0,5,ffff80003c46d3e8,0,ffff80003c46d4a0) at dofilewritev+0x242 sys/kern/sys_generic.c:380
sys_write(ffff80003c449cc0,ffff80003c46d550,ffff80003c46d4a0) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80003c46d550) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c46d550) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc123921430, count: -8