panic: vop_generic_bapdoapn

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: e90d50aa6e65 Document lease files
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=10d5e2d3080000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=2128cf4d0c54066c851f

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+2128cf...@syzkaller.appspotmail.com

panic: vop_generic_bapdoapn
iStopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
398284 22754 0 0 0x4000000 1 syz-executor.5
*248934 9887 0 0x2 0 0 syz-executor.7
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437
panic(ffffffff8259599b) at panic+0x177 sys/kern/subr_prf.c:198
vop_generic_badop(ffff80002b00e378) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd807ba95960,fffffd807bc216c8) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628
bwrite(fffffd807bc216c8) at bwrite+0x1f0 sys/kern/vfs_bio.c:760
VOP_BWRITE(fffffd807bc216c8) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640
ufs_mkdir(ffff80002b00e610) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236
VOP_MKDIR(fffffd8069ea92c8,ffff80002b00e770,ffff80002b00e7a0,ffff80002b00e6a0) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
domkdirat(ffff8000212f47f0,ffffff9c,7f7fffff5050,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
syscall(ffff80002b00e920) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff80002b00e920) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff50c0, 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/multicore/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(ffffffff8259599b) at panic+0x177 sys/kern/subr_prf.c:198
vop_generic_badop(ffff80002b00e378) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd807ba95960,fffffd807bc216c8) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628
bwrite(fffffd807bc216c8) at bwrite+0x1f0 sys/kern/vfs_bio.c:760
VOP_BWRITE(fffffd807bc216c8) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640
ufs_mkdir(ffff80002b00e610) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236
VOP_MKDIR(fffffd8069ea92c8,ffff80002b00e770,ffff80002b00e7a0,ffff80002b00e6a0) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
domkdirat(ffff8000212f47f0,ffffff9c,7f7fffff5050,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
syscall(ffff80002b00e920) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff80002b00e920) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff50c0, count: -11
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002b00e2a0
rbx 0xffffffff8293eb8f cpu_info_full_primary+0x2b8f
rdx 0
rcx 0
rax 0xffff8000212f47f0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x83bbb890b38a5c3b
r11 0x7954d264b4ad7b4d
r12 0xffffffff8293e990 cpu_info_full_primary+0x2990
r13 0
r14 0
r15 0x1
rip 0xffffffff8187df28 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff80002b00e290
ss 0
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor.7) pid=248934 stat=onproc
flags process=2<EXEC> proc=0
pri=17, usrpri=83, nice=20
forw=0xffffffffffffffff, list=0xffff8000212f4a90,0xffff8000212f4d40
process=0xffff8000ffff29a8 user=0xffff80002b009000, vmspace=0xfffffd806aa4bd00
estcpu=36, cpticks=0, pctcpu=0.11
user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
78379 110004 57526 0 2 0 syz-executor.3
22754 417702 35561 0 2 0 syz-executor.5
22754 398284 35561 0 7 0x4000000 syz-executor.5
76623 462328 33682 0 2 0 syz-executor.6
76623 332598 33682 0 3 0x4000080 fsleep syz-executor.6
97392 413561 72716 0 2 0 syz-executor.4
97392 67491 72716 0 2 0x4000000 syz-executor.4
33682 273527 45882 0 3 0x82 nanoslp syz-executor.6
* 9887 248934 45882 0 7 0x2 syz-executor.7
11574 477277 45882 0 3 0x82 nanoslp syz-executor.2
35561 91396 45882 0 3 0x82 nanoslp syz-executor.5
72716 364195 45882 0 3 0x82 nanoslp syz-executor.4
75624 96076 45882 0 3 0x82 nanoslp syz-executor.1
57526 71257 45882 0 3 0x82 nanoslp syz-executor.3
97500 343429 45882 0 2 0x2 syz-executor.0
45882 170225 33597 0 3 0x82 wait syz-fuzzer
45882 456270 33597 0 3 0x4000082 nanoslp syz-fuzzer
45882 376466 33597 0 3 0x4000082 wait syz-fuzzer
45882 403180 33597 0 3 0x4000082 wait syz-fuzzer
45882 406010 33597 0 3 0x4000082 thrsleep syz-fuzzer
45882 5976 33597 0 3 0x4000082 thrsleep syz-fuzzer
45882 229360 33597 0 3 0x4000082 wait syz-fuzzer
45882 257771 33597 0 3 0x4000082 thrsleep syz-fuzzer
45882 355969 33597 0 3 0x4000082 wait syz-fuzzer
45882 132345 33597 0 3 0x4000082 wait syz-fuzzer
45882 160304 33597 0 3 0x4000082 wait syz-fuzzer
45882 396829 33597 0 3 0x4000082 wait syz-fuzzer
45882 389191 33597 0 3 0x4000082 thrsleep syz-fuzzer
45882 180908 33597 0 3 0x4000082 kqread syz-fuzzer
45882 347674 33597 0 3 0x4000082 thrsleep syz-fuzzer
45882 253649 33597 0 3 0x4000082 nanoslp syz-fuzzer
33597 246577 26708 0 3 0x10008a sigsusp ksh
26708 489433 65527 0 3 0x9a kqread sshd
977 188918 1 0 3 0x100083 ttyin getty
65527 429097 1 0 3 0x88 kqread sshd
12229 321472 8002 74 3 0x1100092 bpf pflogd
8002 118966 1 0 3 0x80 netio pflogd
96355 184616 54026 73 3 0x1100090 kqread syslogd
54026 388326 1 0 3 0x100082 netio syslogd
99008 333428 1 0 3 0x100080 kqread resolvd
56233 204113 62059 77 3 0x100092 kqread dhcpleased
33194 388471 62059 77 3 0x100092 kqread dhcpleased
62059 155344 1 0 3 0x80 kqread dhcpleased
95790 1533 0 0 3 0x14200 bored smr
72254 154971 0 0 2 0x14200 zerothread
18569 442189 0 0 3 0x14200 aiodoned aiodoned
30919 85222 0 0 3 0x14200 syncer update
52988 431682 0 0 3 0x14200 cleaner cleaner
44496 212371 0 0 3 0x14200 reaper reaper
76382 1554 0 0 3 0x14200 pgdaemon pagedaemon
11307 315474 0 0 3 0x14200 bored viomb
48358 462440 0 0 3 0x40014200 acpi0 acpi0
88253 353714 0 0 3 0x40014200 idle1
44478 438815 0 0 3 0x14200 bored softnet
982 278440 0 0 3 0x14200 bored softnet
97190 250030 0 0 3 0x14200 bored softnet
28097 240742 0 0 3 0x14200 bored softnet
63052 323663 0 0 3 0x14200 bored systqmp
58810 456050 0 0 3 0x14200 bored systq
35291 54098 0 0 3 0x40014200 bored softclock
10490 5003 0 0 3 0x40014200 idle0
1 25147 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 9887 (syz-executor.7) thread 0xffff8000212f47f0 (248934)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82b10858)
#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 (0xfffffd8068abc2b8)
#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 (0xfffffd8068de8d60)
#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 97500 (syz-executor.0) thread 0xffff8000ffff4008 (343429)
exclusive rrwlock inode r = 0 (0xfffffd8068abc098)
#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 10181 6490K 6732K 78643K 14554 0
pcb 13 12K 14K 78643K 211 0
rtable 234 6K 6K 78643K 353 0
ifaddr 87 17K 17K 78643K 92 0
counters 56 35K 35K 78643K 56 0
ioctlops 0 0K 4K 78643K 3833 0
iov 0 0K 1K 78643K 268 0
mount 1 1K 1K 78643K 1 0
log 0 0K 0K 78643K 4 0
vnodes 1264 79K 80K 78643K 4973 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 29K 78643K 3711 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 355 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12548 0
file desc 14 49K 89K 78643K 25768 0
sigio 0 0K 0K 78643K 506 0
proc 67 91K 163K 78643K 7741 0
subproc 104 6K 6K 78643K 104 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 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 25 122K 122K 78643K 25 0
exec 0 0K 2K 78643K 658 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 62K 78643K 8 0
UVM amap 216 79K 79K 78643K 130767 0
UVM aobj 131 4K 4K 78643K 131 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 12 0K 1K 78643K 28 0
temp 98 4718K 4841K 78643K 55896 0
kqueue 12 18K 26K 78643K 321 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 36 0 33 1 0 1 1 0 8 0
rtentry 112 111 0 1 4 0 4 4 0 8 0
unpcb 144 5896 0 5880 27 26 1 6 0 8 0
syncache 296 4 0 4 1 1 0 1 0 8 0
tcpcb 768 8 0 4 1 0 1 1 0 8 0
arp 120 18 0 0 1 0 1 1 0 8 0
inpcb 320 957 0 950 12 8 4 6 0 8 3
nd6 48 24 0 0 1 0 1 1 0 8 0
kcovpl 48 8 0 0 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 28 0 26 1 0 1 1 0 8 0
pfstkey 120 28 0 26 1 0 1 1 0 8 0
pfstate 336 28 0 26 2 1 1 2 0 8 0
pfrule 1360 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 256 452 0 0 29 0 29 29 0 8 0
art_table 32 453 0 0 4 0 4 4 0 8 0
art_node 16 110 0 10 1 0 1 1 0 8 0
sysvmsgpl 40 50 0 10 1 0 1 1 0 8 0
semapl 112 353 0 343 1 0 1 1 0 8 0
shmpl 112 128 0 0 4 0 4 4 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 34056 0 32629 91 0 91 91 0 8 0
ffsino 272 34056 0 32629 97 0 97 97 0 8 0
nchpl 144 68609 0 66928 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 188041 0 188040 2 1 1 2 0 8 0
percpumem 16 40 0 0 1 0 1 1 0 8 0
kstatmem 264 24 0 0 2 0 2 2 0 8 0
scxspl 216 170518 0 170518 9 8 1 8 0 8 1
plimitpl 152 23 0 8 1 0 1 1 0 8 0
sigapl 424 26082 0 26036 8 2 6 7 0 8 0
futexpl 64 161502 0 161501 1 0 1 1 0 8 0
knotepl 120 137 0 0 4 0 4 4 0 8 0
kqueuepl 216 1359 0 1351 15 14 1 5 0 8 0
pipepl 320 20042 0 20014 91 80 11 13 0 8 8
fdescpl 496 26065 0 26038 5 1 4 5 0 8 0
filepl 152 97419 0 97179 102 85 17 20 0 8 7
lockfpl 104 2507 0 2505 2 1 1 2 0 8 0
lockfspl 48 809 0 807 1 0 1 1 0 8 0
sessionpl 144 24 0 7 1 0 1 1 0 8 0
pgrppl 48 124 0 107 1 0 1 1 0 8 0
ucredpl 104 125 0 113 1 0 1 1 0 8 0
zombiepl 144 26038 0 26036 1 0 1 1 0 8 0
processpl 1064 26082 0 26036 4 0 4 4 0 8 0
procpl 672 59357 0 59293 32 25 7 9 0 8 0
sockpl 488 6889 0 6863 86 78 8 20 0 8 4
mcl64k 65536 33 0 0 3 0 3 3 0 8 0
mcl16k 16384 17 0 0 3 0 3 3 0 8 0
mcl12k 12288 33 0 0 3 1 2 2 0 8 0
mcl9k 9216 25 0 0 2 0 2 2 0 8 0
mcl8k 8192 39 0 0 4 1 3 3 0 8 0
mcl4k 4096 49 0 0 4 1 3 3 0 8 0
mcl2k2 2112 14 0 0 1 0 1 1 0 8 0
mcl2k 2048 177 0 0 14 0 14 14 0 8 0
mtagpl 96 3 0 0 1 0 1 1 0 8 0
mbufpl 256 893 0 0 23 0 23 23 0 8 0
bufpl 288 29270 0 22941 453 0 453 453 0 8 0
anonpl 24 4162907 0 4155607 58 8 50 52 0 186 0
amapchunkpl 152 376229 0 375748 49 27 22 23 0 158 0
amappl16 200 49679 0 49540 8 0 8 8 0 8 0
amappl15 192 9583 0 9574 1 0 1 1 0 8 0
amappl14 184 6528 0 6524 1 0 1 1 0 8 0
amappl13 176 3324 0 3321 1 0 1 1 0 8 0
amappl12 168 11 0 9 1 0 1 1 0 8 0
amappl11 160 6462 0 6440 1 0 1 1 0 8 0
amappl10 152 20 0 18 1 0 1 1 0 8 0
amappl9 144 4033 0 4028 1 0 1 1 0 8 0
amappl8 136 781 0 706 3 0 3 3 0 8 0
amappl7 128 163 0 144 1 0 1 1 0 8 0
amappl6 120 3953 0 3937 2 1 1 2 0 8 0
amappl5 112 18778 0 18760 1 0 1 1 0 8 0
amappl4 104 16936 0 16904 3 2 1 3 0 8 0
amappl3 96 71704 0 71657 2 0 2 2 0 8 0
amappl2 88 4124 0 4088 2 0 2 2 0 8 0
amappl1 80 624341 0 623708 20 4 16 20 0 8 0
amappl 88 130288 0 130160 5 1 4 4 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 72 130 0 0 3 0 3 3 0 8 0
uaddrrnd 24 26065 0 26038 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 26065 0 26038 1 0 1 1 0 8 0
vmmpekpl 168 211520 0 211463 4 0 4 4 0 8 0
vmmpepl 168 2377076 0 2375076 180 77 103 106 0 357 3
vmsppl 368 26064 0 26038 4 1 3 4 0 8 0
rwobjpl 56 545492 0 538310 106 2 104 104 0 8 0
pdppl 4096 52137 0 52076 681 612 69 81 0 8 8
pvpl 32 8451805 0 8440302 288 183 105 243 0 265 0
pmappl 248 26064 0 26038 3 1 2 3 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 1419 0 620 23 0 23 23 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(ffffffff8259599b) at panic+0x177 sys/kern/subr_prf.c:198
vop_generic_badop(ffff80002b00e378) at vop_generic_badop+0x1b sys/kern/vfs_default.c:133
VOP_STRATEGY(fffffd807ba95960,fffffd807bc216c8) at VOP_STRATEGY+0x9b sys/kern/vfs_vops.c:628
bwrite(fffffd807bc216c8) at bwrite+0x1f0 sys/kern/vfs_bio.c:760
VOP_BWRITE(fffffd807bc216c8) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:640
ufs_mkdir(ffff80002b00e610) at ufs_mkdir+0x6b4 sys/ufs/ufs/ufs_vnops.c:1236
VOP_MKDIR(fffffd8069ea92c8,ffff80002b00e770,ffff80002b00e7a0,ffff80002b00e6a0) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388
domkdirat(ffff8000212f47f0,ffffff9c,7f7fffff5050,1ff) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3112
syscall(ffff80002b00e920) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff80002b00e920) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff50c0, count: -11
ddb{0}> machine ddbcpu 1


---
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[Greg Steuck]

#syz invalid

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