panic: ffs_valloc: dup alloc
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*451444 68940 0 0 0x4000000 0K syz-executor
322278 9855 0 0x2 0x1 1 syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83365f40) at panic+0x1e5 sys/kern/subr_prf.c:198
ffs_inode_alloc(fffffd806bd45980,8029,fffffd80097fb5b0,ffff80003c469380) at ffs_inode_alloc+0x94e
ufs_makeinode(8029,fffffd805e160c18,ffff80003c4696b0,ffff80003c4696e0) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732
ufs_create(ffff80003c469430) at ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147
VOP_CREATE(fffffd805e160c18,ffff80003c4696b0,ffff80003c4696e0,ffff80003c4694b0) at VOP_CREATE+0xfe sys/kern/vfs_vops.c:103
vn_open(ffff80003c469680,201,29) at vn_open+0x34d sys/kern/vfs_vnops.c:116
doopenat(ffff80003c423250,ffffff9c,200000000080,200,29,ffff80003c469830) at doopenat+0x35b sys/kern/vfs_syscalls.c:1138
syscall(ffff80003c4698e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c4698e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x36ff156be80, 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{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: ffs_valloc: dup alloc
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83365f40) at panic+0x1e5 sys/kern/subr_prf.c:198
ffs_inode_alloc(fffffd806bd45980,8029,fffffd80097fb5b0,ffff80003c469380) at ffs_inode_alloc+0x94e
ufs_makeinode(8029,fffffd805e160c18,ffff80003c4696b0,ffff80003c4696e0) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732
ufs_create(ffff80003c469430) at ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147
VOP_CREATE(fffffd805e160c18,ffff80003c4696b0,ffff80003c4696e0,ffff80003c4694b0) at VOP_CREATE+0xfe sys/kern/vfs_vops.c:103
vn_open(ffff80003c469680,201,29) at vn_open+0x34d sys/kern/vfs_vnops.c:116
doopenat(ffff80003c423250,ffffff9c,200000000080,200,29,ffff80003c469830) at doopenat+0x35b sys/kern/vfs_syscalls.c:1138
syscall(ffff80003c4698e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c4698e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x36ff156be80, count: -10
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff80003c469110
rbx 0xffffffff837ceddf cpu_info_full_primary+0x2ddf
rdx 0xffff800001482640
rcx 0xffff80003c423250
rax 0xffffffff837cdff0 cpu_info_full_primary+0x1ff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0xfcf631fe3a1903c2
r11 0xe7835e975d692985
r12 0xffffffff837cebe0 cpu_info_full_primary+0x2be0
r13 0
r14 0
r15 0x1
rip 0xffffffff8324b8f5 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80003c469100
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor) tid=451444 pid=68940 tcnt=3 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=17, usrpri=50, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80003c423cb0,0xffff8000fffefa18
process=0xffff80002a3cce88 user=0xffff80003c464000, vmspace=0xfffffd806c104b90
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
68940 426230 67011 0 2 0 syz-executor
*68940 451444 67011 0 7 0x4000000 syz-executor
68940 511405 67011 0 3 0x4000080 fsleep syz-executor
45007 17779 33201 0 2 0xc80 syz-executor
45007 155937 33201 0 3 0x4000080 fsleep syz-executor
45007 316218 33201 0 3 0x4000080 bell syz-executor
17848 116980 9855 0 2 0xc80 syz-executor
17848 164919 9855 0 3 0x4000080 kqpoll syz-executor
17848 201803 9855 0 3 0x4000080 fsleep syz-executor
56264 161498 1380 0 2 0xc82 syz-executor
67011 149673 1380 0 2 0xc82 syz-executor
33201 46544 1380 0 2 0xc82 syz-executor
9855 322278 1380 0 7 0x3 syz-executor
10451 374216 1380 0 3 0x82 piperd syz-executor
1380 309425 33951 0 3 0x82 wait syz-executor
33951 259778 72035 0 3 0x10008a sigsusp ksh
72035 253939 63563 0 3 0x98 kqread sshd-session
63563 251511 3157 0 3 0x92 kqread sshd-session
64827 422402 1 0 3 0x100083 ttyin getty
3157 343207 1 0 3 0x88 kqread sshd
94926 217424 92339 74 3 0x1100092 bpf pflogd
92339 483110 1 0 3 0x80 sbwait pflogd
11772 427715 8780 73 3 0x1100090 kqread syslogd
8780 81252 1 0 3 0x100082 sbwait syslogd
79370 34038 1 0 3 0x100080 kqread resolvd
88569 464380 15703 77 3 0x100092 kqread dhcpleased
64307 43131 15703 77 3 0x100092 kqread dhcpleased
15703 220319 1 0 3 0x80 kqread dhcpleased
89621 374289 0 0 3 0x14200 bored smr
37875 166462 0 0 3 0x14200 pgzero zerothread
86434 352839 0 0 3 0x14200 aiodoned aiodoned
21455 348506 0 0 3 0x14200 syncer update
32710 159999 0 0 3 0x14200 cleaner cleaner
29686 318817 0 0 3 0x14200 reaper reaper
13048 465501 0 0 3 0x14200 pgdaemon pagedaemon
66116 47158 0 0 3 0x14200 bored viomb
23780 339988 0 0 3 0x40014200 acpi0 acpi0
79213 188215 0 0 3 0x40014200 idle1
37109 303751 0 0 3 0x14200 bored softnet1
21702 274808 0 0 3 0x14200 bored softnet0
42949 106030 0 0 3 0x14200 bored systqmp
20816 503519 0 0 3 0x14200 bored systq
93361 106096 0 0 3 0x14200 tmoslp softclockmp
97012 248178 0 0 3 0x40014200 tmoslp softclock
26589 179395 0 0 3 0x40014200 idle0
1 241831 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 68940 (syz-executor) thread 0xffff80003c423250 (451444)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839def08)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1
#2 sleep_finish+0x2d8 sys/kern/kern_synch.c:367
#3 biowait+0xc6 sys/kern/vfs_bio.c:1242
#4 ffs_vget+0x283 sys/ufs/ffs/ffs_vfsops.c:1249
#5 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393
#6 ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732
#7 ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147
#8 VOP_CREATE+0xfe sys/kern/vfs_vops.c:103
#9 vn_open+0x34d sys/kern/vfs_vnops.c:116
#10 doopenat+0x35b sys/kern/vfs_syscalls.c:1138
#11 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#11 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
#12 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806e0e3240)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline]
#4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159
#5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232
#6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393
#7 ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732
#8 ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147
#9 VOP_CREATE+0xfe sys/kern/vfs_vops.c:103
#10 vn_open+0x34d sys/kern/vfs_vnops.c:116
#11 doopenat+0x35b sys/kern/vfs_syscalls.c:1138
#12 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#12 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
#13 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806bd45a20)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570
#5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1
#6 namei+0x7ca sys/kern/vfs_lookup.c:250
#7 vn_open+0x1f1 sys/kern/vfs_vnops.c:107
#8 doopenat+0x35b sys/kern/vfs_syscalls.c:1138
#9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
#10 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10194 11024K 11168K 166960K 11338 0
pcb 17 12K 12K 166960K 33 0
rtable 247 7K 7K 166960K 379 0
pf 34 17K 19K 166960K 50 0
ifaddr 43 7K 7K 166960K 46 0
ifgroup 55 2K 2K 166960K 60 0
sysctl 3 1K 9K 166960K 8 0
counters 68 36K 37K 166960K 70 0
ioctlops 0 0K 4K 166960K 1493 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1338 84K 85K 166960K 1417 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 12 0K 0K 166960K 12 0
dirhash 12 2K 2K 166960K 15 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 14 49K 89K 166960K 211 0
proc 72 115K 147K 166960K 542 0
subproc 72 4K 4K 166960K 72 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 11 0
in_multi 99 7K 7K 166960K 99 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 55 254K 254K 166960K 55 0
exec 0 0K 1K 166960K 419 0
fusefs mount 1 32K 32K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 229 159K 169K 166960K 3845 0
UVM aobj 4 2K 2K 166960K 4 0
pinsyscall 39 78K 101K 166960K 1365 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 5 0
NDP 12 0K 2K 166960K 29 0
temp 37 8642K 8707K 166960K 6815 0
kqueue 13 20K 26K 166960K 34 0
SYN cache 2 16K 16K 166960K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 26 0 0 1 0 1 1 0 8 0
rtpcb 120 40 0 37 1 0 1 1 0 8 0
rtentry 176 113 0 1 6 0 6 6 0 8 0
unpcb 144 69 0 48 1 0 1 1 0 8 0
syncache 336 3 0 3 1 0 1 1 0 8 1
tcpcb 736 83 0 79 7 0 7 7 0 8 6
arp 136 19 0 0 1 0 1 1 0 8 0
inpcb 328 181 0 173 7 0 7 7 0 8 6
nd6 152 25 0 0 1 0 1 1 0 8 0
pkpcb 40 1 0 1 1 0 1 1 0 8 1
kcovpl 48 8 0 0 1 0 1 1 0 8 0
pffrag 232 4 0 2 1 0 1 1 0 482 0
pffrnode 88 4 0 2 1 0 1 1 0 8 0
pffrent 40 6 0 4 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 21 0 0 1 0 1 1 0 8 0
pfstkey 128 21 0 0 1 0 1 1 0 8 0
pfstate 384 21 0 0 3 0 3 3 0 8 0
pfrule 1344 22 0 17 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 454 0 0 29 0 29 29 0 8 0
art_table 40 455 0 0 5 0 5 5 0 8 0
art_node 32 113 0 12 1 0 1 1 0 8 0
semapl 112 10 0 0 1 0 1 1 0 8 0
shmpl 112 1 0 0 1 0 1 1 0 8 0
dirhash 1024 19 0 2 3 0 3 3 0 8 0
dino2pl 256 1714 0 202 96 0 96 96 0 8 0
ffsino 296 1714 0 202 117 0 117 117 0 8 0
nchpl 144 2002 0 302 64 0 64 64 0 8 0
vnodes 216 1823 0 0 102 0 102 102 0 8 0
namei 1024 6087 0 6086 1 0 1 1 0 8 0
percpumem 16 50 0 1 1 0 1 1 0 8 0
kstatmem 264 28 0 2 2 0 2 2 0 8 0
scxspl 216 9060 0 9060 3 2 1 2 1 8 1
plimitpl 152 42 0 25 1 0 1 1 0 8 0
sigapl 424 528 0 484 7 0 7 7 0 8 1
knotepl 120 296 0 0 9 0 9 9 0 8 0
kqueuepl 224 54 0 44 2 0 2 2 0 8 0
pipepl 344 125 0 97 3 0 3 3 0 8 0
fdescpl 528 512 0 484 3 0 3 3 0 8 0
filepl 160 1967 0 1749 13 0 13 13 0 8 3
lockfpl 104 29 0 26 1 0 1 1 0 8 0
lockfspl 48 14 0 11 1 0 1 1 0 8 0
sessionpl 144 22 0 13 1 0 1 1 0 8 0
pgrppl 48 30 0 13 1 0 1 1 0 8 0
ucredpl 104 160 0 147 1 0 1 1 0 8 0
zombiepl 144 488 0 484 1 0 1 1 0 8 0
processpl 1232 528 0 484 5 0 5 5 0 8 1
procpl 664 657 0 607 6 0 6 6 0 8 1
sockpl 752 297 0 265 11 0 11 11 0 8 7
mcl64k 65536 4 0 0 1 0 1 1 0 8 0
mcl16k 16384 1 0 0 1 0 1 1 0 8 0
mcl8k 8192 3 0 0 1 0 1 1 0 8 0
mcl4k 4096 112 0 0 14 0 14 14 0 8 0
mcl2k2 2112 1 0 0 1 0 1 1 0 8 0
mcl2k 2048 29 0 0 4 0 4 4 0 8 0
mtagpl 96 4 0 0 1 0 1 1 0 8 0
mbufpl 256 172 0 0 11 0 11 11 0 8 0
bufpl 280 3780 0 132 261 0 261 261 0 8 0
anonpl 32 10048 0 0 83 1 82 82 0 246 0
amapchunkpl 152 11005 0 10544 29 0 29 29 0 158 5
amappl16 200 2355 0 2328 18 0 18 18 0 8 8
amappl15 192 5 0 5 1 1 0 1 0 8 0
amappl14 184 24 0 24 1 1 0 1 0 8 0
amappl13 176 437 0 435 1 0 1 1 0 8 0
amappl12 168 878 0 839 3 0 3 3 0 8 0
amappl11 160 2 0 2 1 1 0 1 0 8 0
amappl10 152 53 0 39 1 0 1 1 0 8 0
amappl9 144 251 0 251 1 1 0 1 0 8 0
amappl8 136 30 0 27 1 0 1 1 0 8 0
amappl7 128 85 0 84 1 0 1 1 0 8 0
amappl6 120 284 0 271 1 0 1 1 0 8 0
amappl5 112 87 0 77 1 0 1 1 0 8 0
amappl4 104 439 0 408 1 0 1 1 0 8 0
amappl3 96 1773 0 1692 4 1 3 3 0 8 0
amappl2 88 642 0 569 2 0 2 2 0 8 0
amappl1 80 9517 0 8942 14 0 14 14 0 8 0
amappl 88 3081 0 2929 5 0 5 5 0 92 0
uvmvnodes 80 1823 0 0 38 0 38 38 0 8 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 3 0 0 1 0 1 1 0 8 0
uaddrrnd 24 512 0 484 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 512 0 484 1 0 1 1 0 8 0
vmmpekpl 168 5986 0 5946 2 0 2 2 0 8 0
vmmpepl 168 41025 0 39270 99 0 99 99 0 357 3
vmsppl 488 511 0 484 5 0 5 5 0 8 1
rwobjpl 80 16571 0 13839 63 0 63 63 0 8 0
pdppl 4096 1032 0 968 100 28 72 84 0 8 8
pvpl 32 16403 0 0 133 0 133 133 0 265 0
pmappl 256 511 0 484 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 276 0 30 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83365f40) at panic+0x1e5 sys/kern/subr_prf.c:198
ffs_inode_alloc(fffffd806bd45980,8029,fffffd80097fb5b0,ffff80003c469380) at ffs_inode_alloc+0x94e
ufs_makeinode(8029,fffffd805e160c18,ffff80003c4696b0,ffff80003c4696e0) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732
ufs_create(ffff80003c469430) at ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147
VOP_CREATE(fffffd805e160c18,ffff80003c4696b0,ffff80003c4696e0,ffff80003c4694b0) at VOP_CREATE+0xfe sys/kern/vfs_vops.c:103
vn_open(ffff80003c469680,201,29) at vn_open+0x34d sys/kern/vfs_vnops.c:116
doopenat(ffff80003c423250,ffffff9c,200000000080,200,29,ffff80003c469830) at doopenat+0x35b sys/kern/vfs_syscalls.c:1138
syscall(ffff80003c4698e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c4698e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x36ff156be80, count: -10
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff839ded00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline]
__mp_lock(ffffffff839ded00) at __mp_lock+0x192 sys/kern/kern_lock.c:165
ktrsysret(ffff80002a2727d8,5b,0,ffff80002a352710) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline]
ktrsysret(ffff80002a2727d8,5b,0,ffff80002a352710) at ktrsysret+0xde sys/kern/kern_ktrace.c:209
syscall(ffff80002a3527c0) at syscall+0xa50 mi_syscall_return sys/sys/syscall_mi.h:204 [inline]
syscall(ffff80002a3527c0) at syscall+0xa50 sys/arch/amd64/amd64/trap.c:769
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7b5890048870, count: 8
ddb{1}> trace
x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff839ded00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline]
__mp_lock(ffffffff839ded00) at __mp_lock+0x192 sys/kern/kern_lock.c:165
ktrsysret(ffff80002a2727d8,5b,0,ffff80002a352710) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline]
ktrsysret(ffff80002a2727d8,5b,0,ffff80002a352710) at ktrsysret+0xde sys/kern/kern_ktrace.c:209
syscall(ffff80002a3527c0) at syscall+0xa50 mi_syscall_return sys/sys/syscall_mi.h:204 [inline]
syscall(ffff80002a3527c0) at syscall+0xa50 sys/arch/amd64/amd64/trap.c:769
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7b5890048870, count: -7