panic: rw_enter: unix locking against myself
Stopped at db_enter+0x1c: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 82205 22220 0 0 0x4000000 1 syz-executor2871825532
498541 23923 0 0x14000 0x200 0 zerothread
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff828f78a3) at panic+0x17b sys/kern/subr_prf.c:198
rw_enter(ffff800000d9e920,1) at rw_enter+0x462 rw_enter_diag sys/kern/kern_rwlock.c:183 [inline]
rw_enter(ffff800000d9e920,1) at rw_enter+0x462 sys/kern/kern_rwlock.c:273
soisconnected(ffff800010fdc6e8) at soisconnected+0x1c2 solock sys/kern/uipc_socket2.c:356 [inline]
soisconnected(ffff800010fdc6e8) at soisconnected+0x1c2 sys/kern/uipc_socket2.c:111
unp_connect2(ffff800000d9e918,ffff800010fdc6e8) at unp_connect2+0xca
unp_connect(ffff800000d9e918,fffffd806d4fc100,ffff80002a18c560) at unp_connect+0x46d sys/kern/uipc_usrreq.c:908
sys_connect(ffff80002a18c560,ffff80002a228da0,ffff80002a228cf0) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422
syscall(ffff80002a228da0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002a228da0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xcc2ec244420, count: 6
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: rw_enter: unix locking against myself
ddb{1}> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff828f78a3) at panic+0x17b sys/kern/subr_prf.c:198
rw_enter(ffff800000d9e920,1) at rw_enter+0x462 rw_enter_diag sys/kern/kern_rwlock.c:183 [inline]
rw_enter(ffff800000d9e920,1) at rw_enter+0x462 sys/kern/kern_rwlock.c:273
soisconnected(ffff800010fdc6e8) at soisconnected+0x1c2 solock sys/kern/uipc_socket2.c:356 [inline]
soisconnected(ffff800010fdc6e8) at soisconnected+0x1c2 sys/kern/uipc_socket2.c:111
unp_connect2(ffff800000d9e918,ffff800010fdc6e8) at unp_connect2+0xca
unp_connect(ffff800000d9e918,fffffd806d4fc100,ffff80002a18c560) at unp_connect+0x46d sys/kern/uipc_usrreq.c:908
sys_connect(ffff80002a18c560,ffff80002a228da0,ffff80002a228cf0) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422
syscall(ffff80002a228da0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002a228da0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xcc2ec244420, count: -9
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002a228910
rbx 0xffff800029ceccb7
rdx 0x3fd
rcx 0
rax 0x2d
r8 0x101010101010101
r9 0x8080808080808080
r10 0x647b3d02a9b05424
r11 0x9abb9ef9f4e4974a
r12 0xffff800029cecab8
r13 0
r14 0
r15 0x1
rip 0xffffffff823f13fc db_enter+0x1c
cs 0x8
rflags 0x246
rsp 0xffff80002a228900
ss 0x10
db_enter+0x1c: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor2871825532) tid=82205 pid=22220 tcnt=3 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=61, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002a18cd58,0xffff80002a18cac0
process=0xffff8000ffff3558 user=0xffff80002a223000, vmspace=0xfffffd806c9671d8
estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
85411 156482 9295 0 3 0x80 nanoslp syz-executor2871825532
85411 386132 9295 0 3 0x4000080 fsleep syz-executor2871825532
85411 74628 9295 0 3 0x4000080 fsleep syz-executor2871825532
22220 330704 59423 0 2 0 syz-executor2871825532
*22220 82205 59423 0 7 0x4000000 syz-executor2871825532
22220 38179 59423 0 3 0x4000080 fsleep syz-executor2871825532
9073 384322 44116 0 3 0 getblk syz-executor2871825532
17962 383888 44116 0 3 0x80 nanoslp syz-executor2871825532
73534 504963 44116 0 3 0x80 nanoslp syz-executor2871825532
9295 143697 44116 0 3 0x80 nanoslp syz-executor2871825532
56243 124855 44116 0 3 0x80 nanoslp syz-executor2871825532
22001 60714 44116 0 3 0 biowait syz-executor2871825532
59423 158805 44116 0 3 0x80 nanoslp syz-executor2871825532
30412 406836 44116 0 3 0 biowait syz-executor2871825532
44116 162554 77518 0 3 0x82 nanoslp syz-executor2871825532
77518 237839 60754 0 3 0x10008a sigsusp ksh
60754 132750 14797 0 3 0x9a kqread sshd
74692 230222 1 0 3 0x100083 ttyin getty
14797 256383 1 0 3 0x88 kqread sshd
32991 376975 17201 74 3 0x1100092 bpf pflogd
17201 511235 1 0 3 0x80 netio pflogd
68386 206040 95283 73 3 0x1100090 kqread syslogd
95283 433649 1 0 3 0x100082 netio syslogd
84821 90553 1 0 3 0x100080 kqread resolvd
35658 428926 78308 77 3 0x100092 kqread dhcpleased
4725 343287 78308 77 3 0x100092 kqread dhcpleased
78308 13230 1 0 3 0x80 kqread dhcpleased
47909 507256 0 0 3 0x14200 bored smr
23923 498541 0 0 7 0x14200 zerothread
75613 303870 0 0 3 0x14200 aiodoned aiodoned
46602 395693 0 0 3 0x14200 syncer update
53450 75047 0 0 3 0x14200 cleaner cleaner
88410 272600 0 0 3 0x14200 reaper reaper
42642 205153 0 0 3 0x14200 pgdaemon pagedaemon
4408 326106 0 0 3 0x14200 bored viomb
20400 192813 0 0 3 0x40014200 acpi0 acpi0
51850 373139 0 0 3 0x40014200 idle1
47567 181743 0 0 3 0x14200 bored softnet3
60095 219428 0 0 3 0x14200 bored softnet2
41177 251432 0 0 3 0x14200 bored softnet1
12163 102466 0 0 3 0x14200 bored softnet0
78785 345887 0 0 3 0x14200 bored systqmp
57258 501586 0 0 3 0x14200 bored systq
43848 192539 0 0 3 0x14200 tmoslp softclockmp
52886 139463 0 0 3 0x40014200 tmoslp softclock
6471 344480 0 0 3 0x40014200 idle0
1 218568 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 22220 (syz-executor2871825532) thread 0xffff80002a18c560 (82205)
exclusive rwlock unix r = 0 (0xffff800000d9e930)
#0 witness_lock+0x447
#1 solock_pair+0x9f solock sys/kern/uipc_socket2.c:356 [inline]
#1 solock_pair+0x9f sys/kern/uipc_socket2.c:406
#2 unp_connect+0x395 sys/kern/uipc_usrreq.c:880
#3 sys_connect+0x207 sys/kern/uipc_syscalls.c:422
#4 syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
#4 syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
#5 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806cc6a920)
#0 witness_lock+0x447
#1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309
#2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vget+0x200 sys/kern/vfs_subr.c:676
#6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119
#7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1201
#8 ufs_lookup+0x1188 sys/ufs/ufs/ufs_lookup.c:573
#9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566
#11 namei+0x55a sys/kern/vfs_lookup.c:250
#12 unp_connect+0x1ce sys/kern/uipc_usrreq.c:841
#13 sys_connect+0x207 sys/kern/uipc_syscalls.c:422
#14 syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
#14 syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
#15 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82e2a1d0)
#0 witness_lock+0x447
#1 unp_connect+0x1c6 sys/kern/uipc_usrreq.c:841
#2 sys_connect+0x207 sys/kern/uipc_syscalls.c:422
#3 syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
#3 syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
#4 Xsyscall+0x128
Process 9073 (syz-executor2871825532) thread 0xffff80002a188800 (384322)
exclusive rrwlock inode r = 0 (0xfffffd806cc6a700)
#0 witness_lock+0x447
#1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309
#2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vget+0x200 sys/kern/vfs_subr.c:676
#6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119
#7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1201
#8 ufs_lookup+0x1323 sys/ufs/ufs/ufs_lookup.c:478
#9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566
#11 namei+0x55a sys/kern/vfs_lookup.c:250
#12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847
#13 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
#13 syscall+0x533 sys/arch/amd64/amd64/trap.c:577
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806d5f51a8)
#0 witness_lock+0x447
#1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309
#2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418
#6 namei+0x55a sys/kern/vfs_lookup.c:250
#7 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847
#8 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
#8 syscall+0x533 sys/arch/amd64/amd64/trap.c:577
#9 Xsyscall+0x128
Process 22001 (syz-executor2871825532) thread 0xffff80002a1872c0 (60714)
exclusive rrwlock inode r = 0 (0xfffffd806cc6ad60)
#0 witness_lock+0x447
#1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309
#2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4 ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1230
#6 ffs_inode_alloc+0x1c5 sys/ufs/ffs/ffs_alloc.c:393
#7 ufs_mkdir+0xfb sys/ufs/ufs/ufs_vnops.c:1127
#8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388
#9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3069
#10 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
#10 syscall+0x533 sys/arch/amd64/amd64/trap.c:577
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806d5f5d58)
#0 witness_lock+0x447
#1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309
#2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418
#6 namei+0x55a sys/kern/vfs_lookup.c:250
#7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3054
#8 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
#8 syscall+0x533 sys/arch/amd64/amd64/trap.c:577
#9 Xsyscall+0x128
Process 30412 (syz-executor2871825532) thread 0xffff80002a187568 (406836)
exclusive rrwlock inode r = 0 (0xfffffd806cc6a3d0)
#0 witness_lock+0x447
#1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309
#2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4 ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1230
#6 ffs_inode_alloc+0x1c5 sys/ufs/ffs/ffs_alloc.c:393
#7 ufs_mkdir+0xfb sys/ufs/ufs/ufs_vnops.c:1127
#8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388
#9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3069
#10 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
#10 syscall+0x533 sys/arch/amd64/amd64/trap.c:577
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd807e914d58)
#0 witness_lock+0x447
#1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309
#2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464
#3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418
#6 namei+0x55a sys/kern/vfs_lookup.c:250
#7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3054
#8 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline]
#8 syscall+0x533 sys/arch/amd64/amd64/trap.c:577
#9 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10155 6455K 6456K 166960K 11233 0
pcb 15 10K 10K 166960K 15 0
rtable 58 1K 2K 166960K 116 0
pf 15 6K 10K 166960K 26 0
ifaddr 13 9K 9K 166960K 13 0
ifgroup 22 1K 1K 166960K 22 0
counters 48 34K 34K 166960K 48 0
ioctlops 0 0K 4K 166960K 1475 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1176 74K 74K 166960K 1192 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 1K 166960K 2 0
VM map 2 1K 1K 166960K 2 0
sem 2 0K 0K 166960K 2 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 1 0K 0K 166960K 1 0
proc 67 91K 91K 166960K 302 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
in_multi 11 0K 0K 166960K 11 0
ether_multi 1 0K 0K 166960K 1 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 25 122K 122K 166960K 25 0
exec 0 0K 1K 166960K 272 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 151 7K 8K 166960K 4380 0
UVM aobj 3 2K 2K 166960K 3 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
NDP 4 0K 0K 166960K 4 0
temp 1 6756K 6820K 166960K 3663 0
kqueue 11 16K 18K 166960K 24 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 24 0 0 1 0 1 1 0 8 0
rtpcb 120 21 0 18 1 0 1 1 0 8 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 144 570 0 550 1 0 1 1 0 8 0
syncache 336 5 0 5 1 0 1 1 0 8 1
tcpqe 32 99 0 99 1 1 0 1 0 8 0
tcpcb 808 8 0 5 1 0 1 1 0 8 0
arp 120 2 0 0 1 0 1 1 0 8 0
inpcb 392 33 0 27 1 0 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfstitem 24 9 0 0 1 0 1 1 0 8 0
pfstkey 128 9 0 0 1 0 1 1 0 8 0
pfstate 376 9 0 0 1 0 1 1 0 8 0
pfrule 1344 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 97 0 0 7 0 7 7 0 8 0
art_table 32 98 0 0 1 0 1 1 0 8 0
art_node 16 22 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1956 0 541 89 0 89 89 0 8 0
ffsino 272 1956 0 541 95 0 95 95 0 8 0
nchpl 144 2692 0 1104 60 0 60 60 0 8 0
uvmvnodes 80 1970 0 0 41 0 41 41 0 8 0
vnodes 216 1970 0 0 110 0 110 110 0 8 0
namei 1024 6468 0 6466 2 0 2 2 0 8 1
percpumem 16 38 0 0 1 0 1 1 0 8 0
kstatmem 264 8 0 0 1 0 1 1 0 8 0
scxspl 216 7749 0 7747 3 1 2 2 1 8 1
plimitpl 152 17 0 10 1 0 1 1 0 8 0
sigapl 424 616 0 570 6 0 6 6 0 8 0
futexpl 64 1778 0 1775 1 0 1 1 0 8 0
knotepl 120 42 0 0 2 0 2 2 0 8 0
kqueuepl 216 20 0 13 1 0 1 1 0 8 0
pipepl 320 95 0 92 1 0 1 1 0 8 0
fdescpl 496 598 0 571 4 0 4 4 0 8 0
filepl 152 2077 0 2015 3 0 3 3 0 8 0
lockfpl 104 6 0 4 1 0 1 1 0 8 0
lockfspl 48 4 0 2 1 0 1 1 0 8 0
sessionpl 144 18 0 9 1 0 1 1 0 8 0
pgrppl 48 18 0 9 1 0 1 1 0 8 0
ucredpl 104 71 0 59 1 0 1 1 0 8 0
zombiepl 144 573 0 570 1 0 1 1 0 8 0
processpl 1136 616 0 570 4 0 4 4 0 8 0
procpl 680 1125 0 1075 6 0 6 6 0 8 1
sockpl 584 624 0 595 3 0 3 3 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 6 0 0 1 0 1 1 0 8 0
mcl2k 2048 291 0 0 37 0 37 37 0 8 0
mtagpl 96 3 0 0 1 0 1 1 0 8 0
mbufpl 256 309 0 0 20 0 20 20 0 8 0
bufpl 280 2856 0 90 198 0 198 198 0 8 0
anonpl 24 202214 0 199862 25 2 23 25 0 186 8
amapchunkpl 152 14485 0 14185 14 0 14 14 0 158 2
amappl16 200 5698 0 5686 5 2 3 5 0 8 2
amappl15 192 10 0 10 1 1 0 1 0 8 0
amappl14 184 121 0 110 1 0 1 1 0 8 0
amappl13 176 17 0 17 1 1 0 1 0 8 0
amappl12 168 1150 0 1124 2 0 2 2 0 8 0
amappl11 160 123 0 109 1 0 1 1 0 8 0
amappl10 152 8 0 8 1 0 1 1 0 8 1
amappl9 144 224 0 224 1 0 1 1 0 8 1
amappl8 136 43 0 41 1 0 1 1 0 8 0
amappl7 128 381 0 356 1 0 1 1 0 8 0
amappl6 120 126 0 121 1 0 1 1 0 8 0
amappl5 112 100 0 89 1 0 1 1 0 8 0
amappl4 104 364 0 343 1 0 1 1 0 8 0
amappl3 96 3448 0 3375 3 0 3 3 0 8 1
amappl2 88 646 0 591 2 0 2 2 0 8 0
amappl1 80 10386 0 9874 12 0 12 12 0 8 0
amappl 88 4066 0 3962 3 0 3 3 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 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 598 0 571 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 598 0 571 1 0 1 1 0 8 0
vmmpekpl 168 9114 0 9099 1 0 1 1 0 8 0
vmmpepl 168 46338 0 44956 72 5 67 67 0 357 5
vmsppl 448 597 0 571 4 0 4 4 0 8 0
rwobjpl 56 21952 0 19196 40 1 39 39 0 8 0
pdppl 4096 1203 0 1142 87 18 69 69 0 8 8
pvpl 32 6989 0 0 57 0 57 57 0 265 0
pmappl 248 597 0 571 2 0 2 2 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 361 0 20 10 0 10 10 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp
x86_ipi_db(ffffffff82d27ff0) at x86_ipi_db+0x1e 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+0x27
__mp_lock(ffffffff82e29fc8) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82e29fc8) at __mp_lock+0x129 sys/kern/kern_lock.c:147
intr_handler(ffff80002a16acb0,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539
Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f
__sanitizer_cov_trace_const_cmp4(2,0) at __sanitizer_cov_trace_const_cmp4+0x15 kd_curproc sys/dev/kcov.c:585 [inline]
__sanitizer_cov_trace_const_cmp4(2,0) at __sanitizer_cov_trace_const_cmp4+0x15 sys/dev/kcov.c:235
msleep(ffffffff82e349dc,ffffffff82e34b60,7f,ffffffff828846b0,0) at msleep+0x90 sys/kern/kern_synch.c:218
uvm_pagezero_thread(ffff80002a1452b0) at uvm_pagezero_thread+0xb0 sys/uvm/uvm_pmemrange.c:2171
end trace frame: 0x0, count: 6
ddb{0}> trace
x86_ipi_db(ffffffff82d27ff0) at x86_ipi_db+0x1e 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+0x27
__mp_lock(ffffffff82e29fc8) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82e29fc8) at __mp_lock+0x129 sys/kern/kern_lock.c:147
intr_handler(ffff80002a16acb0,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539
Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f
__sanitizer_cov_trace_const_cmp4(2,0) at __sanitizer_cov_trace_const_cmp4+0x15 kd_curproc sys/dev/kcov.c:585 [inline]
__sanitizer_cov_trace_const_cmp4(2,0) at __sanitizer_cov_trace_const_cmp4+0x15 sys/dev/kcov.c:235
msleep(ffffffff82e349dc,ffffffff82e34b60,7f,ffffffff828846b0,0) at msleep+0x90 sys/kern/kern_synch.c:218
uvm_pagezero_thread(ffff80002a1452b0) at uvm_pagezero_thread+0xb0 sys/uvm/uvm_pmemrange.c:2171
end trace frame: 0x0, count: -9
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x1c: addq $0x8,%rsp
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff828f78a3) at panic+0x17b sys/kern/subr_prf.c:198
rw_enter(ffff800000d9e920,1) at rw_enter+0x462 rw_enter_diag sys/kern/kern_rwlock.c:183 [inline]
rw_enter(ffff800000d9e920,1) at rw_enter+0x462 sys/kern/kern_rwlock.c:273
soisconnected(ffff800010fdc6e8) at soisconnected+0x1c2 solock sys/kern/uipc_socket2.c:356 [inline]
soisconnected(ffff800010fdc6e8) at soisconnected+0x1c2 sys/kern/uipc_socket2.c:111
unp_connect2(ffff800000d9e918,ffff800010fdc6e8) at unp_connect2+0xca
unp_connect(ffff800000d9e918,fffffd806d4fc100,ffff80002a18c560) at unp_connect+0x46d sys/kern/uipc_usrreq.c:908
sys_connect(ffff80002a18c560,ffff80002a228da0,ffff80002a228cf0) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422
syscall(ffff80002a228da0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002a228da0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xcc2ec244420, count: 6
ddb{1}> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff828f78a3) at panic+0x17b sys/kern/subr_prf.c:198
rw_enter(ffff800000d9e920,1) at rw_enter+0x462 rw_enter_diag sys/kern/kern_rwlock.c:183 [inline]
rw_enter(ffff800000d9e920,1) at rw_enter+0x462 sys/kern/kern_rwlock.c:273
soisconnected(ffff800010fdc6e8) at soisconnected+0x1c2 solock sys/kern/uipc_socket2.c:356 [inline]
soisconnected(ffff800010fdc6e8) at soisconnected+0x1c2 sys/kern/uipc_socket2.c:111
unp_connect2(ffff800000d9e918,ffff800010fdc6e8) at unp_connect2+0xca
unp_connect(ffff800000d9e918,fffffd806d4fc100,ffff80002a18c560) at unp_connect+0x46d sys/kern/uipc_usrreq.c:908
sys_connect(ffff80002a18c560,ffff80002a228da0,ffff80002a228cf0) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422
syscall(ffff80002a228da0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline]
syscall(ffff80002a228da0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xcc2ec244420, count: -9
ddb{1}>