papanic: kernel diagnostic assertion "((flags & PGO_LOCKED) != 0 && rw_lock_held(uobj->vmobjlock)) || (flags & PGO_LOCKED) == 0" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_vnode.c", line 953
Stopped at db_enter+0x1c: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*280064 6999 32767 0x10 0 1 syz-executor.4
217148 58785 32767 0x10 0 0 syz-executor.7
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff827a4f32) at panic+0x17b sys/kern/subr_prf.c:198
__assert(ffffffff82825a79,ffffffff82849ed7,3b9,ffffffff827860e0) at __assert+0x29 sys/kern/subr_prf.c:157
uvn_get(fffffd806da12b00,23000,ffff800029fdf450,ffff800029fdf2c4,3,4,30caef727a2a47e5,fffffd806da12b00) at uvn_get+0x4b6 sys/uvm/uvm_vnode.c:952
uvm_fault_lower_lookup(ffff800029fdf4d0,ffff800029fdf508,ffff800029fdf450) at uvm_fault_lower_lookup+0xf7 sys/uvm/uvm_fault.c:1128
uvm_fault_lower(ffff800029fdf4d0,ffff800029fdf508,ffff800029fdf450,0) at uvm_fault_lower+0x63 sys/uvm/uvm_fault.c:1227
uvm_fault(fffffd806bd80758,13a00433000,0,4) at uvm_fault+0x238
upageflttrap(ffff800029fdf650,13a00433c90) at upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188
usertrap(ffff800029fdf650) at usertrap+0x226 sys/arch/amd64/amd64/trap.c:436
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7a3f05bbcbc0, count: 5
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
cpu1: kernel diagnostic assertion "((flags & PGO_LOCKED) != 0 && rw_lock_held(uobj->vmobjlock)) || (flags & PGO_LOCKED) == 0" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_vnode.c", line 953
ddb{1}> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff827a4f32) at panic+0x17b sys/kern/subr_prf.c:198
__assert(ffffffff82825a79,ffffffff82849ed7,3b9,ffffffff827860e0) at __assert+0x29 sys/kern/subr_prf.c:157
uvn_get(fffffd806da12b00,23000,ffff800029fdf450,ffff800029fdf2c4,3,4,30caef727a2a47e5,fffffd806da12b00) at uvn_get+0x4b6 sys/uvm/uvm_vnode.c:952
uvm_fault_lower_lookup(ffff800029fdf4d0,ffff800029fdf508,ffff800029fdf450) at uvm_fault_lower_lookup+0xf7 sys/uvm/uvm_fault.c:1128
uvm_fault_lower(ffff800029fdf4d0,ffff800029fdf508,ffff800029fdf450,0) at uvm_fault_lower+0x63 sys/uvm/uvm_fault.c:1227
uvm_fault(fffffd806bd80758,13a00433000,0,4) at uvm_fault+0x238
upageflttrap(ffff800029fdf650,13a00433c90) at upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188
usertrap(ffff800029fdf650) at usertrap+0x226 sys/arch/amd64/amd64/trap.c:436
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7a3f05bbcbc0, count: -10
ddb{1}> show registers
rdi 0
rsi 0x1
rbp 0xffff800029fdf0f0
rbx 0xffff800020d59ba7
rdx 0
rcx 0xffff800022cdb540
rax 0xffff800020d58ff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x1638f06f3d84c750
r11 0x77e063a9e58be02
r12 0xffff800020d599a8
r13 0
r14 0xffffffff82c4b9a8 cpu_info_full_primary+0x29a8
r15 0x1
rip 0xffffffff81fbcbec db_enter+0x1c
cs 0x8
rflags 0x246
rsp 0xffff800029fdf0e0
ss 0
db_enter+0x1c: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor.4) tid=280064 pid=6999 tcnt=1 stat=onproc
flags process=10<SUGID> proc=0
runpri=82, usrpri=86, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff800022cdb298,0xffff800022cdad58
process=0xffff80002128bab8 user=0xffff800029fda000, vmspace=0xfffffd806bd80758
estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
23517 81429 33628 32767 2 0x10 syz-executor.5
* 6999 280064 15212 32767 7 0x10 syz-executor.4
81469 95020 57669 32767 2 0x490 syz-executor.2
81469 85937 57669 32767 3 0x4000090 fsleep syz-executor.2
81469 506683 57669 32767 3 0x4000090 fsleep syz-executor.2
81469 7257 57669 32767 3 0x4000090 netcon syz-executor.2
28526 415904 32241 32767 2 0x10 syz-executor.0
28526 511820 32241 32767 2 0x4000010 syz-executor.0
28526 44870 32241 32767 2 0x4000010 syz-executor.0
33628 507446 78933 32767 3 0x90 nanoslp syz-executor.5
78933 237396 38500 0 3 0x82 wait syz-executor.5
58785 217148 87630 32767 7 0x10 syz-executor.7
87630 109245 38500 0 3 0x82 wait syz-executor.7
10950 121234 33381 32767 2 0x10 syz-executor.6
33381 16127 38500 0 3 0x82 wait syz-executor.6
57669 382662 42830 32767 3 0x90 nanoslp syz-executor.2
42830 231193 38500 0 3 0x82 wait syz-executor.2
32241 429868 89062 32767 2 0x490 syz-executor.0
89062 48871 38500 0 3 0x82 wait syz-executor.0
15212 420793 83377 32767 3 0x90 nanoslp syz-executor.4
83377 422400 38500 0 3 0x82 wait syz-executor.4
42664 302401 71605 32767 3 0x10 biowait syz-executor.1
71605 221790 38500 0 3 0x82 wait syz-executor.1
31526 354818 0 0 3 0x14200 bored sosplice
67371 400827 47611 32767 3 0x90 nanoslp syz-executor.3
47611 421361 38500 0 3 0x82 wait syz-executor.3
38500 486441 31755 0 3 0x2000082 thrsleep syz-fuzzer
38500 369665 31755 0 3 0x6000082 thrsleep syz-fuzzer
38500 431406 31755 0 3 0x6000082 wait syz-fuzzer
38500 90064 31755 0 3 0x6000082 wait syz-fuzzer
38500 108865 31755 0 3 0x6000082 wait syz-fuzzer
38500 159740 31755 0 3 0x6000082 wait syz-fuzzer
38500 323125 31755 0 3 0x6000082 thrsleep syz-fuzzer
38500 72111 31755 0 3 0x6000082 thrsleep syz-fuzzer
38500 41223 31755 0 3 0x6000082 wait syz-fuzzer
38500 223039 31755 0 3 0x6000082 thrsleep syz-fuzzer
38500 188089 31755 0 3 0x6000082 kqread syz-fuzzer
38500 26427 31755 0 3 0x6000082 thrsleep syz-fuzzer
38500 41914 31755 0 3 0x6000082 wait syz-fuzzer
38500 451879 31755 0 3 0x6000082 wait syz-fuzzer
38500 28698 31755 0 3 0x6000082 thrsleep syz-fuzzer
38500 173304 31755 0 3 0x6000082 wait syz-fuzzer
38500 283347 31755 0 3 0x6000082 thrsleep syz-fuzzer
31755 514114 43099 0 3 0x10008a sigsusp ksh
43099 91794 30899 0 3 0x9a kqread sshd
78060 186613 1 0 3 0x100083 ttyin getty
30899 96517 1 0 3 0x88 kqread sshd
12075 439958 36535 73 3 0x1100090 kqread syslogd
36535 180200 1 0 3 0x100082 netio syslogd
77526 231673 1 0 3 0x100080 kqread resolvd
31663 213011 29772 77 3 0x100092 kqread dhcpleased
86917 286454 29772 77 3 0x100092 kqread dhcpleased
29772 453566 1 0 3 0x80 kqread dhcpleased
22896 191420 0 0 3 0x14200 bored smr
89253 376661 0 0 2 0x14200 zerothread
54339 388451 0 0 3 0x14200 aiodoned aiodoned
12857 61260 0 0 3 0x14200 syncer update
79364 70888 0 0 3 0x14200 cleaner cleaner
24105 242553 0 0 3 0x14200 reaper reaper
64478 404066 0 0 3 0x14200 pgdaemon pagedaemon
96346 459817 0 0 3 0x14200 bored viomb
76346 472958 0 0 3 0x40014200 acpi0 acpi0
54488 160017 0 0 3 0x40014200 idle1
17807 224938 0 0 3 0x14200 bored softnet3
81468 106884 0 0 3 0x14200 bored softnet2
79726 423298 0 0 3 0x14200 bored softnet1
50157 492625 0 0 3 0x14200 bored softnet0
65179 105932 0 0 3 0x14200 bored systqmp
27579 154119 0 0 3 0x14200 bored systq
12957 125717 0 0 3 0x14200 tmoslp softclockmp
32178 295334 0 0 3 0x40014200 tmoslp softclock
81210 222788 0 0 3 0x40014200 idle0
1 402488 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 23517 (syz-executor.5) thread 0xffff800022cdad48 (81429)
shared rwlock vmmaplk r = 0 (0xfffffd806bd80dc0)
#0 witness_lock+0x447
#1 uvm_map_inentry_fix+0xa5 vm_map_lock_read_ln sys/uvm/uvm_map.c:5368 [inline]
#1 uvm_map_inentry_fix+0xa5 sys/uvm/uvm_map.c:1657
#2 uvm_map_inentry+0xce sys/uvm/uvm_map.c:1688
#3 usertrap+0x202 sys/arch/amd64/amd64/trap.c:432
#4 recall_trap+0x8
Process 58785 (syz-executor.7) thread 0xffff8000211ead60 (217148)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d0f638)
#0 witness_lock+0x447
#1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
#2 mi_switch+0x46d sys/kern/sched_bsd.c:470
#3 sleep_finish+0x19b sys/kern/kern_synch.c:414
#4 biowait+0x91 sys/kern/vfs_bio.c:1278
#5 bwrite+0x21c sys/kern/vfs_bio.c:769
#6 ffs_update+0x281 sys/ufs/ffs/ffs_inode.c:113
#7 ufs_mkdir+0x672 sys/ufs/ufs/ufs_vnops.c:1219
#8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388
#9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3073
#10 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline]
#10 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8065f310a0)
#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:1314
#8 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394
#9 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149
#10 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388
#11 domkdirat+0x125 sys/kern/vfs_syscalls.c:3073
#12 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline]
#12 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623
#13 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd807db3cb40)
#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:3058
#8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline]
#8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623
#9 Xsyscall+0x128
Process 10950 (syz-executor.6) thread 0xffff8000211ea2c0 (121234)
exclusive rrwlock inode r = 0 (0xfffffd8065f31700)
#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 vn_closefile+0xca vn_close sys/kern/vfs_vnops.c:292 [inline]
#5 vn_closefile+0xca sys/kern/vfs_vnops.c:609
#6 fdrop+0xcb sys/kern/kern_descrip.c:1274
#7 closef+0x120 sys/kern/kern_descrip.c:1258
#8 syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline]
#8 syscall+0x606 sys/arch/amd64/amd64/trap.c:623
#9 Xsyscall+0x128
Process 42664 (syz-executor.1) thread 0xffff800022ce7548 (302401)
exclusive rrwlock inode r = 0 (0xfffffd8065f31e70)
#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:1343
#6 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394
#7 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149
#8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388
#9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3073
#10 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline]
#10 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8062ce22c8)
#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:3058
#8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline]
#8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623
#9 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10188 6409K 6420K 78643K 11299 0
pcb 13 10K 12K 78643K 15 0
rtable 236 6K 6K 78643K 890 0
pf 29 8K 8K 78643K 51 0
ifaddr 44 15K 15K 78643K 92 0
ifgroup 50 2K 2K 78643K 94 0
sysctl 3 0K 0K 78643K 3 0
counters 60 35K 35K 78643K 82 0
ioctlops 0 0K 2K 78643K 60 0
iov 0 0K 16K 78643K 324 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1278 80K 80K 78643K 2335 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 9K 78643K 65 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 1171 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 22 81K 121K 78643K 4678 0
sigio 1 0K 0K 78643K 170 0
proc 56 78K 115K 78643K 978 0
subproc 104 6K 6K 78643K 247 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 2633 0
in_multi 99 7K 7K 78643K 477 0
ether_multi 1 0K 0K 78643K 12 0
mrt 1 0K 0K 78643K 1 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 1K 78643K 1294 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 8 62K 64K 78643K 10 0
UVM amap 396 93K 101K 78643K 48863 0
UVM aobj 131 4K 4K 78643K 139 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 82 0
NDP 11 0K 2K 78643K 60 0
temp 74 5920K 6000K 78643K 15880 0
kqueue 12 18K 28K 78643K 453 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 120 383 0 380 6 5 1 3 0 8 0
rtentry 112 241 0 130 4 0 4 4 0 8 0
unpcb 144 5098 0 5085 38 32 6 10 0 8 5
syncache 304 60 0 60 9 8 1 1 0 8 1
tcpqe 32 156 0 156 8 7 1 1 0 8 1
tcpcb 808 2363 0 2331 60 50 10 18 0 8 4
arp 120 40 0 22 1 0 1 1 0 8 0
ipq 40 9 0 9 2 2 0 1 0 8 0
ipqe 40 24 0 24 2 2 0 1 0 8 0
inpcb 368 4613 0 4577 55 45 10 17 0 8 4
nd6 136 66 0 41 1 0 1 1 0 8 0
kcovpl 48 19 0 11 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 990 0 533 31 2 29 30 0 8 0
art_table 32 991 0 533 4 0 4 4 0 8 0
art_node 16 240 0 139 1 0 1 1 0 8 0
sysvmsgpl 40 40 0 0 1 0 1 1 0 8 0
semapl 112 1169 0 1159 1 0 1 1 0 8 0
shmpl 112 136 0 8 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 7397 0 5944 92 0 92 92 0 8 0
ffsino 272 7397 0 5944 98 0 98 98 0 8 0
nchpl 144 13479 0 11839 63 0 63 63 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 216 5926 0 0 330 0 330 330 0 8 0
namei 1024 45085 0 45083 3 2 1 2 0 8 0
percpumem 16 54 0 11 1 0 1 1 0 8 0
kstatmem 264 44 0 22 2 0 2 2 0 8 0
scxspl 216 40479 0 40478 23 20 3 8 1 8 2
plimitpl 152 520 0 497 8 6 2 2 0 8 1
sigapl 424 4954 0 4901 7 0 7 7 0 8 0
futexpl 64 44192 0 44190 1 0 1 1 0 8 0
knotepl 120 500 0 0 12 1 11 12 0 8 0
kqueuepl 216 914 0 906 14 13 1 8 0 8 0
pipepl 320 6121 0 6092 75 66 9 19 0 8 5
fdescpl 496 4935 0 4902 7 2 5 6 0 8 0
filepl 152 42449 0 42209 72 57 15 24 0 8 5
lockfpl 104 619 0 617 1 0 1 1 0 8 0
lockfspl 48 219 0 217 1 0 1 1 0 8 0
sessionpl 144 34 0 18 1 0 1 1 0 8 0
pgrppl 48 99 0 83 1 0 1 1 0 8 0
ucredpl 104 4779 0 4761 1 0 1 1 0 8 0
zombiepl 144 4902 0 4901 1 0 1 1 0 8 0
processpl 1072 4954 0 4901 5 1 4 5 0 8 0
procpl 680 13257 0 13183 12 4 8 9 0 8 0
sosppl 168 93 0 92 4 3 1 1 0 8 0
sockpl 488 10368 0 10316 212 194 18 35 0 8 8
mcl64k 65536 25 0 0 3 0 3 3 0 8 0
mcl16k 16384 25 0 0 3 0 3 3 0 8 0
mcl12k 12288 17 0 0 2 0 2 2 0 8 0
mcl9k 9216 13 0 0 1 0 1 1 0 8 0
mcl8k 8192 80 0 0 10 1 9 10 0 8 1
mcl4k 4096 20 0 0 3 0 3 3 0 8 0
mcl2k2 2112 4 0 0 1 0 1 1 0 8 0
mcl2k 2048 278 0 0 34 5 29 34 0 8 0
mtagpl 96 30 0 0 1 0 1 1 0 8 0
mbufpl 256 1089 0 0 63 0 63 63 0 8 0
bufpl 288 11736 0 5414 452 0 452 452 0 8 0
anonpl 24 2410780 0 2395446 263 103 160 163 0 186 37
amapchunkpl 152 160958 0 160124 86 44 42 47 0 158 2
amappl16 200 120842 0 120289 464 424 40 66 0 8 9
amappl15 192 14 0 13 1 0 1 1 0 8 0
amappl14 184 187 0 175 2 1 1 2 0 8 0
amappl13 176 15 0 15 3 3 0 1 0 8 0
amappl12 168 5767 0 5729 3 0 3 3 0 8 0
amappl11 160 57 0 47 1 0 1 1 0 8 0
amappl10 152 45 0 31 2 1 1 1 0 8 0
amappl9 144 230 0 229 1 0 1 1 0 8 0
amappl8 136 448 0 331 5 0 5 5 0 8 0
amappl7 128 233 0 205 2 0 2 2 0 8 0
amappl6 120 427 0 413 1 0 1 1 0 8 0
amappl5 112 202 0 194 1 0 1 1 0 8 0
amappl4 104 627 0 599 2 1 1 2 0 8 0
amappl3 96 29901 0 29817 13 9 4 4 0 8 1
amappl2 88 5678 0 5606 3 1 2 3 0 8 0
amappl1 80 25823 0 25298 22 9 13 22 0 8 0
amappl 88 48070 0 47835 7 0 7 7 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 72 138 0 8 3 0 3 3 0 8 0
uaddrrnd 24 4935 0 4902 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 4935 0 4902 1 0 1 1 0 8 0
vmmpekpl 168 65548 0 65470 4 0 4 4 0 8 0
vmmpepl 168 413623 0 411057 231 85 146 149 0 357 24
vmsppl 464 4934 0 4902 7 2 5 6 0 8 0
rwobjpl 56 194703 0 187039 133 17 116 119 0 8 2
pdppl 4096 9878 0 9804 242 160 82 94 0 8 8
pvpl 32 3505655 0 3484540 440 174 266 335 0 265 58
pmappl 248 4934 0 4902 4 1 3 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 1168 0 271 26 0 26 26 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp
x86_ipi_db(ffffffff82c4aff0) 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(ffffffff82d0f430) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82d0f430) at __mp_lock+0x122 sys/kern/kern_lock.c:147
intr_handler(ffff80002c9ecc20,ffff80000007bd80) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:532
Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f
Xspllower() at Xspllower+0x1d
cnputc(61) at cnputc+0x4f sys/dev/cons.c:218
db_putchar(61) at db_putchar+0x3fc sys/ddb/db_output.c:155
kprintf() at kprintf+0x6bc sys/kern/subr_prf.c:724
db_printf(ffffffff82827b86) at db_printf+0x89 sys/kern/subr_prf.c:498
panic(ffffffff8279a2db) at panic+0xdb sys/kern/subr_prf.c:216
vop_generic_badop(ffff80002c9ed048) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd805b005518,fffffd8062d33000) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628
end trace frame: 0xffff80002c9ed0f0, count: 0
ddb{0}> trace
x86_ipi_db(ffffffff82c4aff0) 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(ffffffff82d0f430) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82d0f430) at __mp_lock+0x122 sys/kern/kern_lock.c:147
intr_handler(ffff80002c9ecc20,ffff80000007bd80) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:532
Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f
Xspllower() at Xspllower+0x1d
cnputc(61) at cnputc+0x4f sys/dev/cons.c:218
db_putchar(61) at db_putchar+0x3fc sys/ddb/db_output.c:155
kprintf() at kprintf+0x6bc sys/kern/subr_prf.c:724
db_printf(ffffffff82827b86) at db_printf+0x89 sys/kern/subr_prf.c:498
panic(ffffffff8279a2db) at panic+0xdb sys/kern/subr_prf.c:216
vop_generic_badop(ffff80002c9ed048) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd805b005518,fffffd8062d33000) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628
bwrite(fffffd8062d33000) at bwrite+0x1f1 sys/kern/vfs_bio.c:760
VOP_BWRITE(fffffd8062d33000) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640
ufs_mkdir(ffff80002c9ed2e0) at ufs_mkdir+0x6c4 sys/ufs/ufs/ufs_vnops.c:1235
VOP_MKDIR(fffffd806559b8a8,ffff80002c9ed440,ffff80002c9ed470,ffff80002c9ed370) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388
domkdirat(ffff8000211ead60,ffffff9c,722cfa59e340,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3073
syscall(ffff80002c9ed5f0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline]
syscall(ffff80002c9ed5f0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x722cfa59e3b0, count: -21
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(ffffffff827a4f32) at panic+0x17b sys/kern/subr_prf.c:198
__assert(ffffffff82825a79,ffffffff82849ed7,3b9,ffffffff827860e0) at __assert+0x29 sys/kern/subr_prf.c:157
uvn_get(fffffd806da12b00,23000,ffff800029fdf450,ffff800029fdf2c4,3,4,30caef727a2a47e5,fffffd806da12b00) at uvn_get+0x4b6 sys/uvm/uvm_vnode.c:952
uvm_fault_lower_lookup(ffff800029fdf4d0,ffff800029fdf508,ffff800029fdf450) at uvm_fault_lower_lookup+0xf7 sys/uvm/uvm_fault.c:1128
uvm_fault_lower(ffff800029fdf4d0,ffff800029fdf508,ffff800029fdf450,0) at uvm_fault_lower+0x63 sys/uvm/uvm_fault.c:1227
uvm_fault(fffffd806bd80758,13a00433000,0,4) at uvm_fault+0x238
upageflttrap(ffff800029fdf650,13a00433c90) at upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188
usertrap(ffff800029fdf650) at usertrap+0x226 sys/arch/amd64/amd64/trap.c:436
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7a3f05bbcbc0, count: 5
ddb{1}> trace
db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff827a4f32) at panic+0x17b sys/kern/subr_prf.c:198
__assert(ffffffff82825a79,ffffffff82849ed7,3b9,ffffffff827860e0) at __assert+0x29 sys/kern/subr_prf.c:157
uvn_get(fffffd806da12b00,23000,ffff800029fdf450,ffff800029fdf2c4,3,4,30caef727a2a47e5,fffffd806da12b00) at uvn_get+0x4b6 sys/uvm/uvm_vnode.c:952
uvm_fault_lower_lookup(ffff800029fdf4d0,ffff800029fdf508,ffff800029fdf450) at uvm_fault_lower_lookup+0xf7 sys/uvm/uvm_fault.c:1128
uvm_fault_lower(ffff800029fdf4d0,ffff800029fdf508,ffff800029fdf450,0) at uvm_fault_lower+0x63 sys/uvm/uvm_fault.c:1227
uvm_fault(fffffd806bd80758,13a00433000,0,4) at uvm_fault+0x238
upageflttrap(ffff800029fdf650,13a00433c90) at upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188
usertrap(ffff800029fdf650) at usertrap+0x226 sys/arch/amd64/amd64/trap.c:436
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7a3f05bbcbc0, count: -10