panic: vop_generic_badop (2)
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syzbot
Sep 3, 2022, 10:31:26 PM9/3/22
to syzkaller-o...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: ffacad8a9284 regen
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=14bd3417080000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=58bdde9f7a1a407514a7
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+58bdde...@syzkaller.appspotmail.com
panic: vop_generic_bapdaonpi
c: Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
376620 69904 32767 0x10 0x4000000 1 syz-executor.6
*120035 12841 32767 0x10 0x4000000 0 syz-executor.7
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82597087) at panic+0x177 sys/kern/subr_prf.c:198
vop_generic_badop(ffff8000261d4838) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd8068f94cb0,fffffd807b244810) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628
bwrite(fffffd807b244810) at bwrite+0x1f0 sys/kern/vfs_bio.c:760
VOP_BWRITE(fffffd807b244810) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640
ufs_mkdir(ffff8000261d4ad0) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236
VOP_MKDIR(fffffd805d64cd80,ffff8000261d4c30,ffff8000261d4c60,ffff8000261d4b60) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
domkdirat(ffff8000ffff27e8,ffffff9c,20000140,1d2) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
syscall(ffff8000261d4de0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000261d4de0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe744c523650, count: 4
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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: vop_generic_badop
cpu1: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_fork.c", line 676
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82597087) at panic+0x177 sys/kern/subr_prf.c:198
vop_generic_badop(ffff8000261d4838) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd8068f94cb0,fffffd807b244810) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628
bwrite(fffffd807b244810) at bwrite+0x1f0 sys/kern/vfs_bio.c:760
VOP_BWRITE(fffffd807b244810) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640
ufs_mkdir(ffff8000261d4ad0) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236
VOP_MKDIR(fffffd805d64cd80,ffff8000261d4c30,ffff8000261d4c60,ffff8000261d4b60) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
domkdirat(ffff8000ffff27e8,ffffff9c,20000140,1d2) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
syscall(ffff8000261d4de0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000261d4de0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe744c523650, count: -11
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff8000261d4760
rbx 0xffffffff82977b8f cpu_info_full_primary+0x2b8f
rdx 0
rcx 0
rax 0xffff8000ffff27e8
r8 0x101010101010101
r9 0x8080808080808080
r10 0xa2280a812cda540b
r11 0x33d1d1210f4e4ca
r12 0xffffffff82977990 cpu_info_full_primary+0x2990
r13 0
r14 0
r15 0x1
rip 0xffffffff81f1b288 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff8000261d4750
ss 0
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor.7) pid=120035 stat=onproc
flags process=10<SUGID> proc=4000000<THREAD>
pri=17, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff800029632550,0xffff8000ffff37b8
process=0xffff8000281fb620 user=0xffff8000261cf000, vmspace=0xfffffd8068e44b98
estcpu=36, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
69904 243979 82827 32767 2 0x10 syz-executor.6
69904 376620 82827 32767 7 0x4000010 syz-executor.6
12841 335009 28670 32767 2 0x10 syz-executor.7
*12841 120035 28670 32767 7 0x4000010 syz-executor.7
12841 422471 28670 32767 2 0x4000010 syz-executor.7
82857 367491 35337 32767 2 0x10 syz-executor.2
82857 317034 35337 32767 3 0x4000090 netio syz-executor.2
95364 301737 43945 32767 2 0x10 syz-executor.3
70620 331830 85462 32767 2 0x10 syz-executor.0
70620 463074 85462 32767 3 0x4000090 netcon syz-executor.0
70620 278201 85462 32767 2 0x4000010 syz-executor.0
70620 352189 85462 32767 2 0x4000010 syz-executor.0
31370 41279 70517 32767 3 0x90 nanoslp syz-executor.4
31370 298752 70517 32767 3 0x4000090 netio syz-executor.4
31370 470600 70517 32767 3 0x4000090 fsleep syz-executor.4
31370 516039 70517 32767 3 0x4000090 fsleep syz-executor.4
40272 271604 0 0 3 0x14200 bored sosplice
28670 417657 56665 32767 3 0x90 nanoslp syz-executor.7
68784 469774 44562 32767 2 0x10 syz-executor.5
56665 430588 28932 0 3 0x82 wait syz-executor.7
44562 400903 28932 0 3 0x82 wait syz-executor.5
82827 381580 44764 32767 3 0x90 nanoslp syz-executor.6
44764 111988 28932 0 3 0x82 wait syz-executor.6
70517 404945 28274 32767 3 0x90 nanoslp syz-executor.4
35337 306797 67744 32767 3 0x90 nanoslp syz-executor.2
28274 422390 28932 0 3 0x82 wait syz-executor.4
92908 356652 20639 32767 2 0x10 syz-executor.1
67744 474375 28932 0 3 0x82 wait syz-executor.2
43945 383607 55691 32767 3 0x90 nanoslp syz-executor.3
20639 373102 28932 0 3 0x82 wait syz-executor.1
85462 222413 8702 32767 3 0x90 nanoslp syz-executor.0
55691 229608 28932 0 3 0x82 wait syz-executor.3
8702 345087 28932 0 3 0x82 wait syz-executor.0
28932 297713 48805 0 3 0x82 wait syz-fuzzer
28932 197846 48805 0 3 0x4000082 nanoslp syz-fuzzer
28932 418807 48805 0 3 0x4000082 wait syz-fuzzer
28932 40708 48805 0 3 0x4000082 wait syz-fuzzer
28932 404653 48805 0 3 0x4000082 thrsleep syz-fuzzer
28932 150741 48805 0 3 0x4000082 wait syz-fuzzer
28932 167346 48805 0 3 0x4000082 thrsleep syz-fuzzer
28932 513194 48805 0 3 0x4000082 thrsleep syz-fuzzer
28932 210409 48805 0 3 0x4000082 wait syz-fuzzer
28932 204442 48805 0 3 0x4000082 kqread syz-fuzzer
28932 395647 48805 0 3 0x4000082 wait syz-fuzzer
28932 444579 48805 0 3 0x4000082 wait syz-fuzzer
28932 186454 48805 0 3 0x4000082 wait syz-fuzzer
28932 465330 48805 0 3 0x4000082 thrsleep syz-fuzzer
28932 335017 48805 0 3 0x4000082 thrsleep syz-fuzzer
28932 202604 48805 0 3 0x4000082 thrsleep syz-fuzzer
48805 387084 73554 0 3 0x10008a sigsusp ksh
73554 160994 70937 0 3 0x9a kqread sshd
5464 505428 1 0 3 0x100083 ttyin getty
70937 463134 1 0 3 0x88 kqread sshd
4063 307777 76086 73 3 0x1100090 kqread syslogd
76086 510365 1 0 3 0x100082 netio syslogd
27538 323371 1 0 3 0x100080 kqread resolvd
42135 499471 47321 77 3 0x100092 kqread dhcpleased
43701 64459 47321 77 3 0x100092 kqread dhcpleased
47321 373300 1 0 3 0x80 kqread dhcpleased
39711 388380 0 0 3 0x14200 bored smr
4848 370848 0 0 2 0x14200 zerothread
70219 466585 0 0 3 0x14200 aiodoned aiodoned
83677 262424 0 0 3 0x14200 syncer update
67368 445230 0 0 3 0x14200 cleaner cleaner
7182 279202 0 0 3 0x14200 reaper reaper
12957 463495 0 0 3 0x14200 pgdaemon pagedaemon
54410 405085 0 0 3 0x14200 bored viomb
19981 518136 0 0 3 0x40014200 acpi0 acpi0
17726 444551 0 0 3 0x40014200 idle1
47832 337603 0 0 3 0x14200 bored softnet
99257 63930 0 0 3 0x14200 bored softnet
55823 511939 0 0 3 0x14200 bored softnet
50162 51281 0 0 3 0x14200 bored softnet
15258 96475 0 0 3 0x14200 bored systqmp
11109 500099 0 0 3 0x14200 bored systq
46024 142155 0 0 3 0x40014200 bored softclock
21480 409272 0 0 3 0x40014200 idle0
1 432443 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 69904 (syz-executor.6) thread 0xffff8000ffff37a8 (243979)
exclusive rwlock futex r = 0 (0xffffffff829903f0)
#0 witness_lock+0x44d
#1 sys_futex+0x5c sys/kern/sys_futex.c:107
#2 syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#2 syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585
#3 Xsyscall+0x128
Process 12841 (syz-executor.7) thread 0xffff8000ffff27e8 (120035)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82a63da0)
#0 witness_lock+0x44d
#1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
#2 mi_switch+0x3bb sys/kern/sched_bsd.c:415
#3 sleep_finish+0x180 sys/kern/kern_synch.c:417
#4 tsleep+0x12c sys/kern/kern_synch.c:155
#5 biowait+0x91 sys/kern/vfs_bio.c:1268
#6 bwrite+0x21b sys/kern/vfs_bio.c:769
#7 ffs_update+0x27d sys/ufs/ffs/ffs_inode.c:113
#8 ufs_mkdir+0x662 sys/ufs/ufs/ufs_vnops.c:1220
#9 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
#10 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
#11 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#11 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#12 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd807b6f63c8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vget+0x1fc 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:1324
#8 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#9 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150
#10 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
#11 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
#12 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#12 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#13 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd807b6f62b8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412
#6 namei+0x36a sys/kern/vfs_lookup.c:244
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097
#8 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
Process 68784 (syz-executor.5) thread 0xffff800029633510 (469774)
exclusive rrwlock inode r = 0 (0xfffffd807b6f6b38)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353
#6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150
#8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
#9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
#10 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#10 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8068afea30)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412
#6 namei+0x36a sys/kern/vfs_lookup.c:244
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097
#8 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
Process 92908 (syz-executor.1) thread 0xffff8000ffff5a40 (356652)
exclusive rrwlock inode r = 0 (0xfffffd807b6f6a28)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vn_closefile+0xc6 vn_close sys/kern/vfs_vnops.c:292 [inline]
#5 vn_closefile+0xc6 sys/kern/vfs_vnops.c:609
#6 fdrop+0xc7 sys/kern/kern_descrip.c:1274
#7 closef+0x11c sys/kern/kern_descrip.c:1258
#8 syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#8 syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10187 6408K 6420K 78643K 11277 0
pcb 13 10K 12K 78643K 15 0
rtable 238 6K 6K 78643K 388 0
ifaddr 82 16K 16K 78643K 84 0
sysctl 2 0K 0K 78643K 2 0
counters 56 35K 35K 78643K 56 0
ioctlops 0 0K 2K 78643K 42 0
iov 1 4K 17K 78643K 111 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1270 79K 79K 78643K 1597 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 13 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 218 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 24 89K 105K 78643K 1129 0
sigio 0 0K 0K 78643K 170 0
proc 56 78K 115K 78643K 518 0
subproc 104 6K 6K 78643K 104 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 59 0
in_multi 99 6K 6K 78643K 99 0
ether_multi 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 2K 78643K 767 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 261 82K 98K 78643K 8235 0
UVM aobj 87 4K 4K 78643K 90 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 34 0
NDP 11 0K 2K 78643K 27 0
temp 124 4726K 4790K 78643K 5754 0
kqueue 13 20K 24K 78643K 97 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> 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 72 0 68 1 0 1 1 0 8 0
rtentry 112 115 0 3 4 0 4 4 0 8 0
unpcb 144 524 0 507 3 2 1 3 0 8 0
syncache 296 16 0 16 3 2 1 1 0 8 1
tcpqe 32 239 0 239 2 2 0 1 0 8 0
tcpcb 768 408 0 399 17 6 11 11 0 8 10
arp 120 18 0 0 1 0 1 1 0 8 0
inpcb 368 1877 0 1866 25 18 7 14 0 8 5
nd6 48 28 0 2 1 0 1 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 482 0 20 30 1 29 30 0 8 0
art_table 32 483 0 20 4 0 4 4 0 8 0
art_node 16 114 0 12 1 0 1 1 0 8 0
sysvmsgpl 40 32 0 25 1 0 1 1 0 8 0
semapl 112 216 0 206 1 0 1 1 0 8 0
shmpl 112 87 0 3 3 0 3 3 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 2950 0 1515 91 0 91 91 0 8 0
ffsino 272 2950 0 1515 97 0 97 97 0 8 0
nchpl 144 4456 0 2782 63 0 63 63 0 8 0
uvmvnodes 80 3063 0 0 63 0 63 63 0 8 0
vnodes 216 3063 0 0 171 0 171 171 0 8 0
namei 1024 15112 0 15110 3 2 1 2 0 8 0
percpumem 16 40 0 0 1 0 1 1 0 8 0
kstatmem 264 22 0 0 2 0 2 2 0 8 0
scxspl 216 12546 0 12546 11 10 1 8 0 8 1
plimitpl 152 228 0 205 1 0 1 1 0 8 0
sigapl 424 1418 0 1365 7 0 7 7 0 8 0
futexpl 64 8560 0 8558 1 0 1 1 0 8 0
knotepl 120 334 0 0 10 0 10 10 0 8 0
kqueuepl 216 556 0 547 9 4 5 5 0 8 4
pipepl 320 424 0 396 13 5 8 8 0 8 5
fdescpl 496 1400 0 1365 6 1 5 5 0 8 0
filepl 152 9876 0 9630 24 7 17 17 0 8 6
lockfpl 104 523 0 521 2 1 1 2 0 8 0
lockfspl 48 68 0 66 1 0 1 1 0 8 0
sessionpl 144 23 0 7 1 0 1 1 0 8 0
pgrppl 48 23 0 7 1 0 1 1 0 8 0
ucredpl 104 1756 0 1738 1 0 1 1 0 8 0
zombiepl 144 1365 0 1365 1 0 1 1 0 8 1
processpl 1064 1418 0 1365 4 0 4 4 0 8 0
procpl 672 3364 0 3286 10 2 8 8 0 8 1
sosppl 168 14 0 14 2 2 0 1 0 8 0
sockpl 488 2491 0 2459 46 34 12 21 0 8 7
mcl64k 65536 13 0 0 2 0 2 2 0 8 0
mcl16k 16384 11 0 0 2 0 2 2 0 8 0
mcl12k 12288 13 0 0 2 0 2 2 0 8 0
mcl9k 9216 3 0 0 1 0 1 1 0 8 0
mcl8k 8192 8 0 0 1 0 1 1 0 8 0
mcl4k 4096 11 0 0 2 0 2 2 0 8 0
mcl2k2 2112 4 0 0 1 0 1 1 0 8 0
mcl2k 2048 197 0 0 24 0 24 24 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 387 0 0 24 0 24 24 0 8 0
bufpl 288 4883 0 127 340 0 340 340 0 8 0
anonpl 24 296816 0 283606 145 37 108 124 0 186 15
amapchunkpl 152 31174 0 30494 48 19 29 40 0 158 0
amappl16 200 6071 0 5689 73 39 34 43 0 8 12
amappl15 192 223 0 215 1 0 1 1 0 8 0
amappl14 184 154 0 147 1 0 1 1 0 8 0
amappl13 176 334 0 329 1 0 1 1 0 8 0
amappl12 168 136 0 133 1 0 1 1 0 8 0
amappl11 160 336 0 315 1 0 1 1 0 8 0
amappl10 152 19 0 15 1 0 1 1 0 8 0
amappl9 144 500 0 497 1 0 1 1 0 8 0
amappl8 136 715 0 649 3 0 3 3 0 8 0
amappl7 128 260 0 237 1 0 1 1 0 8 0
amappl6 120 213 0 203 2 1 1 2 0 8 0
amappl5 112 977 0 956 1 0 1 1 0 8 0
amappl4 104 1082 0 1050 2 1 1 2 0 8 0
amappl3 96 3904 0 3840 2 0 2 2 0 8 0
amappl2 88 721 0 682 2 0 2 2 0 8 0
amappl1 80 35721 0 34991 20 3 17 20 0 8 0
amappl 88 7708 0 7528 6 1 5 5 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 89 0 3 2 0 2 2 0 8 0
uaddrrnd 24 1401 0 1366 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1401 0 1366 1 0 1 1 0 8 0
vmmpekpl 168 16087 0 16034 3 0 3 3 0 8 0
vmmpepl 168 140153 0 137423 158 18 140 140 0 357 15
vmsppl 368 1400 0 1366 4 0 4 4 0 8 0
rwobjpl 56 40095 0 35547 68 0 68 68 0 8 0
pdppl 4096 2809 0 2732 123 42 81 85 0 8 4
pvpl 32 632312 0 613991 245 58 187 244 0 265 27
pmappl 248 1400 0 1366 4 1 3 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 775 0 65 21 0 21 21 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82597087) at panic+0x177 sys/kern/subr_prf.c:198
vop_generic_badop(ffff8000261d4838) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd8068f94cb0,fffffd807b244810) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628
bwrite(fffffd807b244810) at bwrite+0x1f0 sys/kern/vfs_bio.c:760
VOP_BWRITE(fffffd807b244810) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640
ufs_mkdir(ffff8000261d4ad0) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236
VOP_MKDIR(fffffd805d64cd80,ffff8000261d4c30,ffff8000261d4c60,ffff8000261d4b60) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
domkdirat(ffff8000ffff27e8,ffffff9c,20000140,1d2) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
syscall(ffff8000261d4de0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000261d4de0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe744c523650, count: -11
ddb{0}> machine ddbcpu 1
---
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 syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: ffacad8a9284 regen
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=14bd3417080000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=58bdde9f7a1a407514a7
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+58bdde...@syzkaller.appspotmail.com
panic: vop_generic_bapdaonpi
c: Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
376620 69904 32767 0x10 0x4000000 1 syz-executor.6
*120035 12841 32767 0x10 0x4000000 0 syz-executor.7
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82597087) at panic+0x177 sys/kern/subr_prf.c:198
vop_generic_badop(ffff8000261d4838) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd8068f94cb0,fffffd807b244810) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628
bwrite(fffffd807b244810) at bwrite+0x1f0 sys/kern/vfs_bio.c:760
VOP_BWRITE(fffffd807b244810) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640
ufs_mkdir(ffff8000261d4ad0) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236
VOP_MKDIR(fffffd805d64cd80,ffff8000261d4c30,ffff8000261d4c60,ffff8000261d4b60) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
domkdirat(ffff8000ffff27e8,ffffff9c,20000140,1d2) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
syscall(ffff8000261d4de0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000261d4de0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe744c523650, count: 4
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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: vop_generic_badop
cpu1: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_fork.c", line 676
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82597087) at panic+0x177 sys/kern/subr_prf.c:198
vop_generic_badop(ffff8000261d4838) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd8068f94cb0,fffffd807b244810) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628
bwrite(fffffd807b244810) at bwrite+0x1f0 sys/kern/vfs_bio.c:760
VOP_BWRITE(fffffd807b244810) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640
ufs_mkdir(ffff8000261d4ad0) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236
VOP_MKDIR(fffffd805d64cd80,ffff8000261d4c30,ffff8000261d4c60,ffff8000261d4b60) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
domkdirat(ffff8000ffff27e8,ffffff9c,20000140,1d2) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
syscall(ffff8000261d4de0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000261d4de0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe744c523650, count: -11
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff8000261d4760
rbx 0xffffffff82977b8f cpu_info_full_primary+0x2b8f
rdx 0
rcx 0
rax 0xffff8000ffff27e8
r8 0x101010101010101
r9 0x8080808080808080
r10 0xa2280a812cda540b
r11 0x33d1d1210f4e4ca
r12 0xffffffff82977990 cpu_info_full_primary+0x2990
r13 0
r14 0
r15 0x1
rip 0xffffffff81f1b288 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff8000261d4750
ss 0
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor.7) pid=120035 stat=onproc
flags process=10<SUGID> proc=4000000<THREAD>
pri=17, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff800029632550,0xffff8000ffff37b8
process=0xffff8000281fb620 user=0xffff8000261cf000, vmspace=0xfffffd8068e44b98
estcpu=36, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
69904 243979 82827 32767 2 0x10 syz-executor.6
69904 376620 82827 32767 7 0x4000010 syz-executor.6
12841 335009 28670 32767 2 0x10 syz-executor.7
*12841 120035 28670 32767 7 0x4000010 syz-executor.7
12841 422471 28670 32767 2 0x4000010 syz-executor.7
82857 367491 35337 32767 2 0x10 syz-executor.2
82857 317034 35337 32767 3 0x4000090 netio syz-executor.2
95364 301737 43945 32767 2 0x10 syz-executor.3
70620 331830 85462 32767 2 0x10 syz-executor.0
70620 463074 85462 32767 3 0x4000090 netcon syz-executor.0
70620 278201 85462 32767 2 0x4000010 syz-executor.0
70620 352189 85462 32767 2 0x4000010 syz-executor.0
31370 41279 70517 32767 3 0x90 nanoslp syz-executor.4
31370 298752 70517 32767 3 0x4000090 netio syz-executor.4
31370 470600 70517 32767 3 0x4000090 fsleep syz-executor.4
31370 516039 70517 32767 3 0x4000090 fsleep syz-executor.4
40272 271604 0 0 3 0x14200 bored sosplice
28670 417657 56665 32767 3 0x90 nanoslp syz-executor.7
68784 469774 44562 32767 2 0x10 syz-executor.5
56665 430588 28932 0 3 0x82 wait syz-executor.7
44562 400903 28932 0 3 0x82 wait syz-executor.5
82827 381580 44764 32767 3 0x90 nanoslp syz-executor.6
44764 111988 28932 0 3 0x82 wait syz-executor.6
70517 404945 28274 32767 3 0x90 nanoslp syz-executor.4
35337 306797 67744 32767 3 0x90 nanoslp syz-executor.2
28274 422390 28932 0 3 0x82 wait syz-executor.4
92908 356652 20639 32767 2 0x10 syz-executor.1
67744 474375 28932 0 3 0x82 wait syz-executor.2
43945 383607 55691 32767 3 0x90 nanoslp syz-executor.3
20639 373102 28932 0 3 0x82 wait syz-executor.1
85462 222413 8702 32767 3 0x90 nanoslp syz-executor.0
55691 229608 28932 0 3 0x82 wait syz-executor.3
8702 345087 28932 0 3 0x82 wait syz-executor.0
28932 297713 48805 0 3 0x82 wait syz-fuzzer
28932 197846 48805 0 3 0x4000082 nanoslp syz-fuzzer
28932 418807 48805 0 3 0x4000082 wait syz-fuzzer
28932 40708 48805 0 3 0x4000082 wait syz-fuzzer
28932 404653 48805 0 3 0x4000082 thrsleep syz-fuzzer
28932 150741 48805 0 3 0x4000082 wait syz-fuzzer
28932 167346 48805 0 3 0x4000082 thrsleep syz-fuzzer
28932 513194 48805 0 3 0x4000082 thrsleep syz-fuzzer
28932 210409 48805 0 3 0x4000082 wait syz-fuzzer
28932 204442 48805 0 3 0x4000082 kqread syz-fuzzer
28932 395647 48805 0 3 0x4000082 wait syz-fuzzer
28932 444579 48805 0 3 0x4000082 wait syz-fuzzer
28932 186454 48805 0 3 0x4000082 wait syz-fuzzer
28932 465330 48805 0 3 0x4000082 thrsleep syz-fuzzer
28932 335017 48805 0 3 0x4000082 thrsleep syz-fuzzer
28932 202604 48805 0 3 0x4000082 thrsleep syz-fuzzer
48805 387084 73554 0 3 0x10008a sigsusp ksh
73554 160994 70937 0 3 0x9a kqread sshd
5464 505428 1 0 3 0x100083 ttyin getty
70937 463134 1 0 3 0x88 kqread sshd
4063 307777 76086 73 3 0x1100090 kqread syslogd
76086 510365 1 0 3 0x100082 netio syslogd
27538 323371 1 0 3 0x100080 kqread resolvd
42135 499471 47321 77 3 0x100092 kqread dhcpleased
43701 64459 47321 77 3 0x100092 kqread dhcpleased
47321 373300 1 0 3 0x80 kqread dhcpleased
39711 388380 0 0 3 0x14200 bored smr
4848 370848 0 0 2 0x14200 zerothread
70219 466585 0 0 3 0x14200 aiodoned aiodoned
83677 262424 0 0 3 0x14200 syncer update
67368 445230 0 0 3 0x14200 cleaner cleaner
7182 279202 0 0 3 0x14200 reaper reaper
12957 463495 0 0 3 0x14200 pgdaemon pagedaemon
54410 405085 0 0 3 0x14200 bored viomb
19981 518136 0 0 3 0x40014200 acpi0 acpi0
17726 444551 0 0 3 0x40014200 idle1
47832 337603 0 0 3 0x14200 bored softnet
99257 63930 0 0 3 0x14200 bored softnet
55823 511939 0 0 3 0x14200 bored softnet
50162 51281 0 0 3 0x14200 bored softnet
15258 96475 0 0 3 0x14200 bored systqmp
11109 500099 0 0 3 0x14200 bored systq
46024 142155 0 0 3 0x40014200 bored softclock
21480 409272 0 0 3 0x40014200 idle0
1 432443 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 69904 (syz-executor.6) thread 0xffff8000ffff37a8 (243979)
exclusive rwlock futex r = 0 (0xffffffff829903f0)
#0 witness_lock+0x44d
#1 sys_futex+0x5c sys/kern/sys_futex.c:107
#2 syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#2 syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585
#3 Xsyscall+0x128
Process 12841 (syz-executor.7) thread 0xffff8000ffff27e8 (120035)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82a63da0)
#0 witness_lock+0x44d
#1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227
#2 mi_switch+0x3bb sys/kern/sched_bsd.c:415
#3 sleep_finish+0x180 sys/kern/kern_synch.c:417
#4 tsleep+0x12c sys/kern/kern_synch.c:155
#5 biowait+0x91 sys/kern/vfs_bio.c:1268
#6 bwrite+0x21b sys/kern/vfs_bio.c:769
#7 ffs_update+0x27d sys/ufs/ffs/ffs_inode.c:113
#8 ufs_mkdir+0x662 sys/ufs/ufs/ufs_vnops.c:1220
#9 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
#10 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
#11 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#11 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#12 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd807b6f63c8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vget+0x1fc 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:1324
#8 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#9 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150
#10 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
#11 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
#12 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#12 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#13 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd807b6f62b8)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412
#6 namei+0x36a sys/kern/vfs_lookup.c:244
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097
#8 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
Process 68784 (syz-executor.5) thread 0xffff800029633510 (469774)
exclusive rrwlock inode r = 0 (0xfffffd807b6f6b38)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140
#5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353
#6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394
#7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150
#8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
#9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
#10 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#10 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#11 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd8068afea30)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412
#6 namei+0x36a sys/kern/vfs_lookup.c:244
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097
#8 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
Process 92908 (syz-executor.1) thread 0xffff8000ffff5a40 (356652)
exclusive rrwlock inode r = 0 (0xfffffd807b6f6a28)
#0 witness_lock+0x44d
#1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310
#2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465
#3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518
#4 vn_lock+0x84 sys/kern/vfs_vnops.c:564
#5 vn_closefile+0xc6 vn_close sys/kern/vfs_vnops.c:292 [inline]
#5 vn_closefile+0xc6 sys/kern/vfs_vnops.c:609
#6 fdrop+0xc7 sys/kern/kern_descrip.c:1274
#7 closef+0x11c sys/kern/kern_descrip.c:1258
#8 syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline]
#8 syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10187 6408K 6420K 78643K 11277 0
pcb 13 10K 12K 78643K 15 0
rtable 238 6K 6K 78643K 388 0
ifaddr 82 16K 16K 78643K 84 0
sysctl 2 0K 0K 78643K 2 0
counters 56 35K 35K 78643K 56 0
ioctlops 0 0K 2K 78643K 42 0
iov 1 4K 17K 78643K 111 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1270 79K 79K 78643K 1597 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 13 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 218 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 24 89K 105K 78643K 1129 0
sigio 0 0K 0K 78643K 170 0
proc 56 78K 115K 78643K 518 0
subproc 104 6K 6K 78643K 104 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 59 0
in_multi 99 6K 6K 78643K 99 0
ether_multi 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 2K 78643K 767 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 261 82K 98K 78643K 8235 0
UVM aobj 87 4K 4K 78643K 90 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 34 0
NDP 11 0K 2K 78643K 27 0
temp 124 4726K 4790K 78643K 5754 0
kqueue 13 20K 24K 78643K 97 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> 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 72 0 68 1 0 1 1 0 8 0
rtentry 112 115 0 3 4 0 4 4 0 8 0
unpcb 144 524 0 507 3 2 1 3 0 8 0
syncache 296 16 0 16 3 2 1 1 0 8 1
tcpqe 32 239 0 239 2 2 0 1 0 8 0
tcpcb 768 408 0 399 17 6 11 11 0 8 10
arp 120 18 0 0 1 0 1 1 0 8 0
inpcb 368 1877 0 1866 25 18 7 14 0 8 5
nd6 48 28 0 2 1 0 1 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 482 0 20 30 1 29 30 0 8 0
art_table 32 483 0 20 4 0 4 4 0 8 0
art_node 16 114 0 12 1 0 1 1 0 8 0
sysvmsgpl 40 32 0 25 1 0 1 1 0 8 0
semapl 112 216 0 206 1 0 1 1 0 8 0
shmpl 112 87 0 3 3 0 3 3 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 2950 0 1515 91 0 91 91 0 8 0
ffsino 272 2950 0 1515 97 0 97 97 0 8 0
nchpl 144 4456 0 2782 63 0 63 63 0 8 0
uvmvnodes 80 3063 0 0 63 0 63 63 0 8 0
vnodes 216 3063 0 0 171 0 171 171 0 8 0
namei 1024 15112 0 15110 3 2 1 2 0 8 0
percpumem 16 40 0 0 1 0 1 1 0 8 0
kstatmem 264 22 0 0 2 0 2 2 0 8 0
scxspl 216 12546 0 12546 11 10 1 8 0 8 1
plimitpl 152 228 0 205 1 0 1 1 0 8 0
sigapl 424 1418 0 1365 7 0 7 7 0 8 0
futexpl 64 8560 0 8558 1 0 1 1 0 8 0
knotepl 120 334 0 0 10 0 10 10 0 8 0
kqueuepl 216 556 0 547 9 4 5 5 0 8 4
pipepl 320 424 0 396 13 5 8 8 0 8 5
fdescpl 496 1400 0 1365 6 1 5 5 0 8 0
filepl 152 9876 0 9630 24 7 17 17 0 8 6
lockfpl 104 523 0 521 2 1 1 2 0 8 0
lockfspl 48 68 0 66 1 0 1 1 0 8 0
sessionpl 144 23 0 7 1 0 1 1 0 8 0
pgrppl 48 23 0 7 1 0 1 1 0 8 0
ucredpl 104 1756 0 1738 1 0 1 1 0 8 0
zombiepl 144 1365 0 1365 1 0 1 1 0 8 1
processpl 1064 1418 0 1365 4 0 4 4 0 8 0
procpl 672 3364 0 3286 10 2 8 8 0 8 1
sosppl 168 14 0 14 2 2 0 1 0 8 0
sockpl 488 2491 0 2459 46 34 12 21 0 8 7
mcl64k 65536 13 0 0 2 0 2 2 0 8 0
mcl16k 16384 11 0 0 2 0 2 2 0 8 0
mcl12k 12288 13 0 0 2 0 2 2 0 8 0
mcl9k 9216 3 0 0 1 0 1 1 0 8 0
mcl8k 8192 8 0 0 1 0 1 1 0 8 0
mcl4k 4096 11 0 0 2 0 2 2 0 8 0
mcl2k2 2112 4 0 0 1 0 1 1 0 8 0
mcl2k 2048 197 0 0 24 0 24 24 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 387 0 0 24 0 24 24 0 8 0
bufpl 288 4883 0 127 340 0 340 340 0 8 0
anonpl 24 296816 0 283606 145 37 108 124 0 186 15
amapchunkpl 152 31174 0 30494 48 19 29 40 0 158 0
amappl16 200 6071 0 5689 73 39 34 43 0 8 12
amappl15 192 223 0 215 1 0 1 1 0 8 0
amappl14 184 154 0 147 1 0 1 1 0 8 0
amappl13 176 334 0 329 1 0 1 1 0 8 0
amappl12 168 136 0 133 1 0 1 1 0 8 0
amappl11 160 336 0 315 1 0 1 1 0 8 0
amappl10 152 19 0 15 1 0 1 1 0 8 0
amappl9 144 500 0 497 1 0 1 1 0 8 0
amappl8 136 715 0 649 3 0 3 3 0 8 0
amappl7 128 260 0 237 1 0 1 1 0 8 0
amappl6 120 213 0 203 2 1 1 2 0 8 0
amappl5 112 977 0 956 1 0 1 1 0 8 0
amappl4 104 1082 0 1050 2 1 1 2 0 8 0
amappl3 96 3904 0 3840 2 0 2 2 0 8 0
amappl2 88 721 0 682 2 0 2 2 0 8 0
amappl1 80 35721 0 34991 20 3 17 20 0 8 0
amappl 88 7708 0 7528 6 1 5 5 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 89 0 3 2 0 2 2 0 8 0
uaddrrnd 24 1401 0 1366 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1401 0 1366 1 0 1 1 0 8 0
vmmpekpl 168 16087 0 16034 3 0 3 3 0 8 0
vmmpepl 168 140153 0 137423 158 18 140 140 0 357 15
vmsppl 368 1400 0 1366 4 0 4 4 0 8 0
rwobjpl 56 40095 0 35547 68 0 68 68 0 8 0
pdppl 4096 2809 0 2732 123 42 81 85 0 8 4
pvpl 32 632312 0 613991 245 58 187 244 0 265 27
pmappl 248 1400 0 1366 4 1 3 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 775 0 65 21 0 21 21 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff82597087) at panic+0x177 sys/kern/subr_prf.c:198
vop_generic_badop(ffff8000261d4838) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd8068f94cb0,fffffd807b244810) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628
bwrite(fffffd807b244810) at bwrite+0x1f0 sys/kern/vfs_bio.c:760
VOP_BWRITE(fffffd807b244810) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640
ufs_mkdir(ffff8000261d4ad0) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236
VOP_MKDIR(fffffd805d64cd80,ffff8000261d4c30,ffff8000261d4c60,ffff8000261d4b60) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
domkdirat(ffff8000ffff27e8,ffffff9c,20000140,1d2) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
syscall(ffff8000261d4de0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff8000261d4de0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe744c523650, count: -11
ddb{0}> machine ddbcpu 1
---
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