panic: vop_generic_WbAaRdNopI
NGS:ta rStPiLn NgO Tst aLcOWk EtRErDac OeN. ..SY
SCALL 3 4 EXIT 0 9
Stopped at savectx+0xb1: movl $0,%gs:0x538
TID PID UID PRFLAGS PFLAGS CPU COMMAND
463520 12017 0 0x2 0 0 syz-executor.4
*186162 48423 74 0x1100012 0 1 pflogd
savectx() at savectx+0xb1
end of kernel
end trace frame: 0x7f7fffff5990, count: 14
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
*cpu0: vop_generic_badop
ddb{1}> trace
savectx() at savectx+0xb1
end of kernel
end trace frame: 0x7f7fffff5990, count: -1
ddb{1}> show registers
rdi 0
rsi 0
rbp 0xffff80002119eaf0
rbx 0
rdx 0
rcx 0
rax 0x31
r8 0xffff80002119ea20
r9 0x1
r10 0xef0e3896798b3308
r11 0xed2d71349a00560f
r12 0
r13 0
r14 0xffff800021142008
r15 0
rip 0xffffffff81451411 savectx+0xb1
cs 0x8
rflags 0x46
rsp 0xffff80002119ea70
ss 0
savectx+0xb1: movl $0,%gs:0x538
ddb{1}> show proc
PROC (pflogd) pid=186162 stat=onproc
flags process=1100012<EXEC,SUGID,PLEDGE,CHROOT> proc=0
pri=26, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff800021142a88,0xffff8000ffff6800
process=0xffff8000211a2150 user=0xffff800021199000, vmspace=0xfffffd807effe2e0
estcpu=0, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
30382 353318 56607 0 2 0 syz-executor.2
20401 204250 53409 0 2 0 syz-executor.6
20401 170059 53409 0 3 0x4000080 dtread syz-executor.6
20401 495835 53409 0 2 0x4000000 syz-executor.6
1173 189174 30118 0 2 0 syz-executor.1
1173 167349 30118 0 3 0x4000080 piperd syz-executor.1
1181 443272 48662 0 2 0 syz-executor.5
1181 480511 48662 0 2 0x4000000 syz-executor.5
48662 345099 36480 0 2 0x482 syz-executor.5
30118 114630 36480 0 2 0x482 syz-executor.1
64722 206990 36480 0 2 0x2 syz-executor.0
53409 312261 36480 0 3 0x82 nanoslp syz-executor.6
68978 369544 36480 0 2 0x2 syz-executor.7
40542 109492 0 0 3 0x14280 nfsidl nfsio
73936 325014 0 0 3 0x14280 nfsidl nfsio
31629 67140 0 0 3 0x14280 nfsidl nfsio
57923 520321 0 0 3 0x14280 nfsidl nfsio
70402 332566 0 0 3 0x14280 nfsidl nfsio
29292 337011 0 0 3 0x14280 nfsidl nfsio
59740 232218 0 0 3 0x14280 nfsidl nfsio
98411 305199 0 0 3 0x14280 nfsidl nfsio
37965 294567 0 0 3 0x14280 nfsidl nfsio
31564 213684 0 0 3 0x14280 nfsidl nfsio
17374 63881 0 0 3 0x14280 nfsidl nfsio
69335 174899 0 0 3 0x14280 nfsidl nfsio
97649 379768 0 0 3 0x14280 nfsidl nfsio
25436 216736 0 0 3 0x14280 nfsidl nfsio
73110 134281 0 0 3 0x14280 nfsidl nfsio
16700 4697 0 0 3 0x14280 nfsidl nfsio
99011 489250 0 0 3 0x14280 nfsidl nfsio
67375 209939 0 0 3 0x14280 nfsidl nfsio
31033 325714 0 0 3 0x14280 nfsidl nfsio
50599 106379 0 0 3 0x14280 nfsidl nfsio
56607 5674 36480 0 2 0x2 syz-executor.2
74457 140885 36480 0 2 0x2 syz-executor.3
46048 496753 0 0 3 0x14200 acct acct
12017 463520 36480 0 7 0x2 syz-executor.4
667 148903 0 0 3 0x14200 bored sosplice
36480 314616 89753 0 3 0x82 kqread syz-fuzzer
36480 136367 89753 0 3 0x4000082 nanoslp syz-fuzzer
36480 495467 89753 0 2 0x4000002 syz-fuzzer
36480 115569 89753 0 3 0x4000082 thrsleep syz-fuzzer
36480 55776 89753 0 3 0x4000082 thrsleep syz-fuzzer
36480 158720 89753 0 3 0x4000082 thrsleep syz-fuzzer
36480 24285 89753 0 3 0x4000082 thrsleep syz-fuzzer
36480 250542 89753 0 3 0x4000082 thrsleep syz-fuzzer
36480 17062 89753 0 3 0x4000082 thrsleep syz-fuzzer
89753 167844 90161 0 3 0x10008a sigsusp ksh
90161 159038 58473 0 3 0x9a kqread sshd
56788 257596 1 0 3 0x100083 ttyin getty
58473 499830 1 0 3 0x88 kqread sshd
*48423 186162 45090 74 7 0x1100012 pflogd
45090 142431 1 0 3 0x80 netio pflogd
63015 131898 5113 73 3 0x1100090 kqread syslogd
5113 270810 1 0 3 0x100082 netio syslogd
73928 481220 1 0 3 0x100080 kqread resolvd
70764 421954 51053 77 3 0x100092 kqread dhcpleased
27122 197787 51053 77 3 0x100092 kqread dhcpleased
51053 222916 1 0 3 0x80 kqread dhcpleased
89241 63986 0 0 3 0x14200 bored smr
27876 76876 0 0 2 0x14200 zerothread
50271 74193 0 0 3 0x14200 aiodoned aiodoned
9848 111028 0 0 3 0x14200 syncer update
16289 51483 0 0 3 0x14200 cleaner cleaner
90325 305643 0 0 3 0x14200 reaper reaper
18509 283950 0 0 3 0x14200 pgdaemon pagedaemon
28213 447629 0 0 3 0x14200 bored viomb
90404 48651 0 0 3 0x40014200 acpi0 acpi0
95654 296368 0 0 3 0x40014200 idle1
20061 93867 0 0 3 0x14200 bored softnet
28388 202355 0 0 3 0x14200 bored systqmp
37503 486737 0 0 3 0x14200 bored systq
40818 1307 0 0 2 0x40014200 softclock
90083 138408 0 0 3 0x40014200 idle0
1 266739 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 64722 (syz-executor.0) thread 0xffff800021162008 (206990)
exclusive rrwlock inode r = 0 (0xfffffd80692e5c58)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5 vget+0x1d3 sys/kern/vfs_subr.c:677
#6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119
#7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318
#8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487
#9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561
#11 namei+0x36a sys/kern/vfs_lookup.c:245
#12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1850
#13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8067ec6a30)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413
#6 namei+0x36a sys/kern/vfs_lookup.c:245
#7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1850
#8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
Process 68978 (syz-executor.7) thread 0xffff800021162fc8 (369544)
exclusive rrwlock inode r = 0 (0xfffffd806918ab40)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347
#6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162
#8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
#9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3101
#10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806918ac50)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413
#6 namei+0x36a sys/kern/vfs_lookup.c:245
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3086
#8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
Process 74457 (syz-executor.3) thread 0xffff80002e402d30 (140885)
exclusive rrwlock inode r = 0 (0xfffffd8067ec6e70)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5 vn_closefile+0xc6 vn_close sys/kern/vfs_vnops.c:298 [inline]
#5 vn_closefile+0xc6 sys/kern/vfs_vnops.c:624
#6 fdrop+0xc7 sys/kern/kern_descrip.c:1279
#7 closef+0x11c sys/kern/kern_descrip.c:1263
#8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
Process 12017 (syz-executor.4) thread 0xffff800021142d28 (463520)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82a6f1a0)
#0 witness_lock+0x44d
#1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
#2 mi_switch+0x3d3 sys/kern/sched_bsd.c:416
#3 sleep_finish+0x198 sys/kern/kern_synch.c:437
#4 tsleep+0x12c sys/kern/kern_synch.c:158
#5 biowait+0x91 sys/kern/vfs_bio.c:1271
#6 bwrite+0x21b sys/kern/vfs_bio.c:772
#7 ffs_update+0x27d sys/ufs/ffs/ffs_inode.c:113
#8 ufs_mkdir+0x662 sys/ufs/ufs/ufs_vnops.c:1232
#9 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
#10 domkdirat+0x121 sys/kern/vfs_syscalls.c:3101
#11 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#11 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#12 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd807d3fae68)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5 vget+0x1d3 sys/kern/vfs_subr.c:677
#6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119
#7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318
#8 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#9 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162
#10 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
#11 domkdirat+0x121 sys/kern/vfs_syscalls.c:3101
#12 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#12 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#13 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd807060e818)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:579
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413
#6 namei+0x36a sys/kern/vfs_lookup.c:245
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3086
#8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
Process 36480 (syz-fuzzer) thread 0xffff8000ffff7cf0 (495467)
exclusive rwlock amaplk r = 0 (0xfffffd8067fda408)
#0 witness_lock+0x44d
#1 uvm_fault_check+0x3ca sys/uvm/uvm_fault.c:774
#2 uvm_fault+0x102 sys/uvm/uvm_fault.c:602
#3 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181
#4 usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403
#5 recall_trap+0x8
shared rwlock vmmaplk r = 0 (0xfffffd806ef7a300)
#0 witness_lock+0x44d
#1 uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1758
#2 uvm_fault_check+0x3a sys/uvm/uvm_fault.c:674
#3 uvm_fault+0x102 sys/uvm/uvm_fault.c:602
#4 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181
#5 usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403
#6 recall_trap+0x8
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10203 6723K 10722K 78643K 19720 0
pcb 13 16K 18K 78643K 1188 0
rtable 240 15K 16K 78643K 2331 0
ifaddr 92 20K 21K 78643K 1252 0
sysctl 2 0K 0K 78643K 2 0
counters 56 35K 35K 78643K 194 0
ioctlops 0 0K 8K 78643K 4870 0
iov 0 0K 18K 78643K 1120 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 5 0
vnodes 1398 87K 88K 78643K 4914 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 80 0
VM map 2 1K 1K 78643K 2 0
sem 12 1K 1K 78643K 18 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 14 49K 85K 78643K 7030 0
sigio 0 0K 0K 78643K 344 0
proc 70 87K 112K 78643K 1447 0
subproc 104 6K 6K 78643K 416 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 301 0
in_multi 99 6K 6K 78643K 431 0
ether_multi 1 0K 0K 78643K 9 0
mrt 4 0K 0K 78643K 40 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 67 307K 307K 78643K 67 0
exec 0 0K 2K 78643K 2177 0
pfkey data 0 0K 0K 78643K 67 0
tdb 3 0K 0K 78643K 3 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 7 26K 26K 78643K 7 0
UVM amap 461 715K 716K 78643K 90651 0
UVM aobj 131 6K 6K 78643K 132 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 143 0
NDP 13 0K 2K 78643K 150 0
temp 155 4753K 4825K 78643K 81398 0
kqueue 12 18K 24K 78643K 367 0
SYN cache 2 16K 16K 78643K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 22 0 0 1 0 1 1 0 8 0
rtpcb 120 410 0 407 5 4 1 3 0 8 0
rtentry 112 448 0 341 5 1 4 4 0 8 0
unpcb 136 3407 0 3392 34 31 3 9 0 8 2
syncache 296 26 0 26 8 8 0 1 0 8 0
tcpqe 32 20 0 20 4 4 0 1 0 8 0
tcpcb 736 8485 0 8467 168 161 7 33 0 8 5
arp 120 73 0 55 1 0 1 1 0 8 0
inpcb 312 12275 0 12266 68 61 7 14 0 8 5
rttmr 72 17 0 17 6 6 0 1 0 8 0
nd6 48 105 0 78 1 0 1 1 0 8 0
pkpcb 40 29 0 29 4 3 1 1 0 8 1
kcovpl 48 32 0 24 1 0 1 1 0 8 0
ppxss 1248 22 0 22 4 4 0 1 0 8 0
pfstscr 40 83 0 83 4 4 0 1 0 8 0
pffrag 232 16 0 16 2 1 1 1 0 482 1
pffrnode 88 16 0 16 2 1 1 1 0 8 1
pffrent 40 120 0 120 2 1 1 1 0 8 1
pfosfp 40 1433 0 1009 5 0 5 5 0 8 0
pfosfpen 112 1433 0 717 21 0 21 21 0 8 0
pfrktable 1344 475 0 475 4 4 0 1 0 8 0
pftag 88 142 0 141 1 0 1 1 0 8 0
pfqueue 264 10 0 10 3 3 0 1 0 8 0
pfstitem 24 37 0 35 1 0 1 1 0 8 0
pfstkey 112 137 0 135 1 0 1 1 0 8 0
pfstate 320 84 0 82 3 2 1 3 0 8 0
pfrule 1360 651 0 643 4 3 1 2 0 8 0
art_heap8 4096 2 0 1 2 1 1 2 0 8 0
art_heap4 256 1861 0 1373 41 10 31 32 0 8 0
art_table 32 1863 0 1374 5 0 5 5 0 8 0
art_node 16 445 0 352 1 0 1 1 0 8 0
sysvmsgpl 40 96 0 83 2 1 1 1 0 8 0
semupl 112 3 0 3 1 1 0 1 0 8 0
semapl 112 13 0 3 1 0 1 1 0 8 0
shmpl 112 129 0 1 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 10720 0 9254 92 0 92 92 0 8 0
ffsino 272 10720 0 9254 98 0 98 98 0 8 0
nchpl 144 19832 0 18207 63 0 63 63 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 224 5926 0 0 349 0 349 349 0 8 0
namei 1024 73495 0 73493 4 3 1 2 0 8 0
percpumem 16 109 0 69 1 0 1 1 0 8 0
vcpupl 2048 140 0 0 18 0 18 18 0 8 0
vmpool 560 212 0 72 10 0 10 10 0 8 0
pfiaddrpl 120 111 0 111 5 5 0 1 0 8 0
scsiplug 72 13 0 13 4 4 0 1 0 8 0
scxspl 216 55490 0 55490 18 14 4 8 0 8 4
plimitpl 152 816 0 801 1 0 1 1 0 8 0
sigapl 424 7325 0 7262 9 1 8 8 0 8 0
futexpl 64 64404 0 64404 2 1 1 1 0 8 1
knotepl 120 456 0 0 10 0 10 10 0 8 0
kqueuepl 216 1556 0 1548 40 39 1 5 0 8 0
pipepl 336 1781 0 1752 38 35 3 11 0 8 0
fdescpl 496 7268 0 7241 5 1 4 5 0 8 0
filepl 152 54616 0 54373 66 51 15 22 0 8 5
lockfpl 104 2122 0 2120 6 5 1 2 0 8 0
lockfspl 48 576 0 574 1 0 1 1 0 8 0
sessionpl 144 48 0 31 1 0 1 1 0 8 0
pgrppl 48 63 0 46 1 0 1 1 0 8 0
ucredpl 96 5490 0 5472 1 0 1 1 0 8 0
zombiepl 144 7262 0 7262 1 0 1 1 0 8 1
processpl 1064 7325 0 7262 5 0 5 5 0 8 0
procpl 672 20547 0 20472 14 6 8 9 0 8 0
srpgc 96 16 0 16 6 6 0 1 0 8 0
sosppl 168 85 0 84 9 8 1 1 0 8 0
sockpl 480 16132 0 16105 204 191 13 34 0 8 8
mcl64k 65536 20 0 0 3 0 3 3 0 8 0
mcl16k 16384 15 0 0 2 0 2 2 0 8 0
mcl12k 12288 25 0 0 2 0 2 2 0 8 0
mcl9k 9216 17 0 0 2 0 2 2 0 8 0
mcl8k 8192 17 0 0 3 0 3 3 0 8 0
mcl4k 4096 25 0 0 3 0 3 3 0 8 0
mcl2k2 2112 9 0 0 1 0 1 1 0 8 0
mcl2k 2048 249 0 0 21 1 20 21 0 8 0
mtagpl 96 363 0 0 7 0 7 7 0 8 0
mbufpl 256 664 0 0 31 0 31 31 0 8 0
bufpl 288 14073 0 7737 453 0 453 453 0 8 0
anonpl 24 2027483 0 2009643 213 75 138 144 0 186 10
amapchunkpl 152 225602 0 224817 66 29 37 43 0 158 2
amappl16 200 19619 0 19002 114 74 40 46 0 8 6
amappl15 192 1559 0 1553 1 0 1 1 0 8 0
amappl14 184 993 0 984 1 0 1 1 0 8 0
amappl13 176 1193 0 1192 1 0 1 1 0 8 0
amappl12 168 1232 0 1229 1 0 1 1 0 8 0
amappl11 160 843 0 826 1 0 1 1 0 8 0
amappl10 152 474 0 468 1 0 1 1 0 8 0
amappl9 144 1920 0 1916 1 0 1 1 0 8 0
amappl8 136 1500 0 1401 4 0 4 4 0 8 0
amappl7 128 550 0 534 1 0 1 1 0 8 0
amappl6 120 1783 0 1750 4 2 2 2 0 8 0
amappl5 112 5230 0 5216 1 0 1 1 0 8 0
amappl4 104 3609 0 3576 2 0 2 2 0 8 0
amappl3 96 2145 0 2133 1 0 1 1 0 8 0
amappl2 88 2723 0 2675 3 1 2 3 0 8 0
amappl1 80 134000 0 133455 25 11 14 19 0 8 0
amappl 88 89561 0 89280 9 1 8 8 0 92 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 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 18 0 17 1 0 1 1 0 8 0
aobjpl 72 131 0 1 3 0 3 3 0 8 0
uaddrrnd 24 7480 0 7313 2 0 2 2 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 7480 0 7313 2 0 2 2 0 8 0
vmmpekpl 168 58415 0 58329 5 0 5 5 0 8 1
vmmpepl 168 669691 0 666930 212 66 146 149 0 357 10
vmsppl 368 7479 0 7313 17 1 16 16 0 8 0
rwobjpl 56 167435 0 159714 119 7 112 114 0 8 0
pdppl 4096 14967 0 14766 443 233 210 210 0 8 9
pvpl 32 3409117 0 3387091 371 147 224 246 0 265 20
pmappl 248 7479 0 7313 12 1 11 11 0 8 0
extentpl 40 58 0 38 1 0 1 1 0 8 0
phpool 112 1515 0 511 29 0 29 29 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffffffff82986ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
__sanitizer_cov_trace_const_cmp1(ffffffff82d45378,ffffffff82d45378) at __sanitizer_cov_trace_const_cmp1+0x3b sys/dev/kcov.c:214
db_stack_trace_print(ffff800029527db0,1,100,ffffffff82627e69,ffffffff81781ce0) at db_stack_trace_print+0x2fd sys/arch/amd64/amd64/db_trace.c:167
db_stack_dump() at db_stack_dump+0x76 sys/ddb/db_output.c:243
panic(ffffffff82580e3b) at panic+0x16b sys/kern/subr_prf.c:233
vop_generic_badop(ffff800029527e88) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd805b998180,fffffd8075164c90) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:644
bwrite(fffffd8075164c90) at bwrite+0x1f0 sys/kern/vfs_bio.c:763
VOP_BWRITE(fffffd8075164c90) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:656
ufs_mkdir(ffff800029528120) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1248
VOP_MKDIR(fffffd8064556400,ffff800029528280,ffff8000295282b0,ffff8000295281b0) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
domkdirat(ffff800021142d28,ffffff9c,7f7fffffb7d0,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3101
end trace frame: 0xffff800029528420, count: 0
ddb{0}> trace
x86_ipi_db(ffffffff82986ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
__sanitizer_cov_trace_const_cmp1(ffffffff82d45378,ffffffff82d45378) at __sanitizer_cov_trace_const_cmp1+0x3b sys/dev/kcov.c:214
db_stack_trace_print(ffff800029527db0,1,100,ffffffff82627e69,ffffffff81781ce0) at db_stack_trace_print+0x2fd sys/arch/amd64/amd64/db_trace.c:167
db_stack_dump() at db_stack_dump+0x76 sys/ddb/db_output.c:243
panic(ffffffff82580e3b) at panic+0x16b sys/kern/subr_prf.c:233
vop_generic_badop(ffff800029527e88) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd805b998180,fffffd8075164c90) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:644
bwrite(fffffd8075164c90) at bwrite+0x1f0 sys/kern/vfs_bio.c:763
VOP_BWRITE(fffffd8075164c90) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:656
ufs_mkdir(ffff800029528120) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1248
VOP_MKDIR(fffffd8064556400,ffff800029528280,ffff8000295282b0,ffff8000295281b0) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404
domkdirat(ffff800021142d28,ffffff9c,7f7fffffb7d0,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3101
syscall(ffff800029528430) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800029528430) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffffb840, count: -16
ddb{0}> machine ddbcpu 1
Stopped at savectx+0xb1: movl $0,%gs:0x538
savectx() at savectx+0xb1
end of kernel
end trace frame: 0x7f7fffff5990, count: 14
ddb{1}> trace
savectx() at savectx+0xb1
end of kernel
end trace frame: 0x7f7fffff5990, count: -1