mpanic: ffs_valloc: dup alloc Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 238069 9356 60929 0x10 0 0 syz-executor * 31117 9356 60929 0x10 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e812b) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806de99670,41a8,fffffd807f7d32d8,ffff800037204cd8) at ffs_inode_alloc+0x96c sys/ufs/ffs/ffs_alloc.c:404 ufs_mkdir(ffff800037204d40) at ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 VOP_MKDIR(fffffd8060fe1b28,ffff800037204ea0,ffff800037204ed0,ffff800037204dd0) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 domkdirat(ffff8000371e87c8,ffffff9c,20000040,1b8) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 syscall(ffff800037205050) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037205050) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e5995ace00, count: 7 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: ffs_valloc: dup alloc ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e812b) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806de99670,41a8,fffffd807f7d32d8,ffff800037204cd8) at ffs_inode_alloc+0x96c sys/ufs/ffs/ffs_alloc.c:404 ufs_mkdir(ffff800037204d40) at ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 VOP_MKDIR(fffffd8060fe1b28,ffff800037204ea0,ffff800037204ed0,ffff800037204dd0) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 domkdirat(ffff8000371e87c8,ffffff9c,20000040,1b8) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 syscall(ffff800037205050) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037205050) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e5995ace00, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800037204a60 rbx 0xffff800029b7cd87 rdx 0xffff800001249600 rcx 0xffff8000371e87c8 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x5d9579ebb72316c1 r11 0x99aa9cfc23ab001a r12 0xffff800029b7cb88 r13 0 r14 0 r15 0x1 rip 0xffffffff81b98cd5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800037204a50 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=31117 pid=9356 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000371e9980,0xffff8000371e9708 process=0xffff8000371cc930 user=0xffff800037200000, vmspace=0xfffffd806bf936e0 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 64261 342930 15640 0 2 0 syz-executor 6490 92526 10574 0 2 0 syz-executor 9356 238069 16143 60929 7 0x10 syz-executor * 9356 31117 16143 60929 7 0x4000010 syz-executor 86408 329292 68498 0 2 0 syz-executor 86408 7 68498 0 3 0x4000080 fsleep syz-executor 13470 241808 85195 0 2 0x2 syz-executor 673 313611 55885 0 3 0x90 nanoslp syz-executor 673 400500 55885 0 3 0x4000090 ttyout syz-executor 673 216987 55885 0 3 0x4000090 fsleep syz-executor 673 6456 55885 0 3 0x4000090 fsleep syz-executor 16143 103832 85195 0 3 0x82 nanoslp syz-executor 43156 99640 19443 0 3 0x80 nanoslp syz-executor 43156 105147 19443 0 3 0x4000080 kqpoll syz-executor 43156 377550 19443 0 3 0x4000080 fsleep syz-executor 43156 45746 19443 0 3 0x4000080 fsleep syz-executor 66074 206891 0 0 3 0x14200 acct acct 32587 296090 0 0 3 0x14200 bored sosplice 19443 203883 85195 0 3 0x82 nanoslp syz-executor 55885 294061 85195 0 3 0x82 nanoslp syz-executor 4431 17357 85195 0 3 0x82 wait syz-executor 10574 427236 85195 0 3 0x82 nanoslp syz-executor 68498 250188 85195 0 3 0x82 nanoslp syz-executor 15640 360932 85195 0 3 0x82 nanoslp syz-executor 85195 127666 71007 0 3 0x82 kqread syz-executor 71007 205044 9126 0 3 0x10008a sigsusp ksh 9126 502868 41907 0 3 0x98 kqread sshd-session 41907 57222 38841 0 3 0x92 kqread sshd-session 56547 384691 1 0 3 0x100083 ttyin getty 38841 112747 1 0 3 0x88 kqread sshd 24428 384633 96205 74 3 0x1100092 bpf pflogd 96205 270831 1 0 3 0x80 sbwait pflogd 55253 321855 7085 73 3 0x1100090 kqread syslogd 7085 55773 1 0 3 0x100082 sbwait syslogd 79666 68005 1 0 3 0x100080 kqread resolvd 33596 19993 66872 77 3 0x100092 kqread dhcpleased 79942 451462 66872 77 3 0x100092 kqread dhcpleased 66872 109176 1 0 3 0x80 kqread dhcpleased 32004 33243 0 0 3 0x14200 bored smr 19406 37956 0 0 2 0x14200 zerothread 71091 237002 0 0 3 0x14200 aiodoned aiodoned 98786 86835 0 0 3 0x14200 syncer update 69105 149173 0 0 3 0x14200 cleaner cleaner 71856 230931 0 0 3 0x14200 reaper reaper 2038 429711 0 0 3 0x14200 pgdaemon pagedaemon 3168 162368 0 0 3 0x14200 bored viomb 83723 508053 0 0 3 0x40014200 acpi0 acpi0 65465 82118 0 0 3 0x40014200 idle1 45538 175687 0 0 3 0x14200 bored softnet3 69551 211632 0 0 3 0x14200 bored softnet2 15612 193416 0 0 3 0x14200 bored softnet1 62851 273393 0 0 3 0x14200 bored softnet0 61650 379493 0 0 3 0x14200 bored systqmp 94734 361714 0 0 3 0x14200 bored systq 33349 516335 0 0 3 0x14200 tmoslp softclockmp 70473 508460 0 0 3 0x40014200 tmoslp softclock 26962 109970 0 0 3 0x40014200 idle0 1 338920 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 9356 (syz-executor) thread 0xffff8000371e87c8 (31117) exclusive rrwlock inode r = 0 (0xfffffd806df1c2b8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:149 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806de99708) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3084 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff836322c8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #1 syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 #2 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10224 10095K 10415K 166960K 11803 0 pcb 17 13K 14K 166960K 126 0 rtable 196 7K 8K 166960K 431 0 pf 36 18K 25K 166960K 73 0 ifaddr 39 6K 7K 166960K 58 0 ifgroup 51 2K 2K 166960K 70 0 counters 62 36K 36K 166960K 74 0 ioctlops 0 0K 4K 166960K 1586 0 iov 0 0K 16K 166960K 35 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1398 88K 88K 166960K 1765 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 19 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 17 61K 97K 166960K 557 0 sigio 0 0K 0K 166960K 10 0 proc 70 91K 140K 166960K 587 0 subproc 91 5K 6K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 61 0 in_multi 84 6K 7K 166960K 124 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 259 1155K 1155K 166960K 259 0 exec 0 0K 1K 166960K 420 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 227 64K 91K 166960K 6724 0 UVM aobj 11 4K 6K 166960K 14 0 pinsyscall 42 84K 108K 166960K 1652 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 23 0 NDP 13 0K 2K 166960K 35 0 temp 52 6818K 6884K 166960K 27594 0 kqueue 14 22K 30K 166960K 114 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 67 0 64 1 0 1 1 0 8 0 rtentry 112 129 0 43 4 0 4 4 0 8 0 unpcb 144 495 0 478 2 0 2 2 0 8 1 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 808 185 0 181 6 0 6 6 0 8 5 arp 120 21 0 6 1 0 1 1 0 8 0 inpcb 336 610 0 602 7 0 7 7 0 8 5 nd6 136 29 0 8 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 0 1 1 0 8 1 kcovpl 48 9 0 2 1 0 1 1 0 8 0 ppxss 1168 3 0 3 1 0 1 1 0 8 1 pffrag 232 2 0 1 1 0 1 1 0 482 0 pffrnode 88 2 0 1 1 0 1 1 0 8 0 pffrent 40 4 0 3 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 pfrktable 1344 5 0 2 1 0 1 1 0 8 0 pfanchor 1288 2 0 1 1 0 1 1 0 8 0 pfstitem 24 42 0 1 1 0 1 1 0 8 0 pfstkey 128 42 0 1 2 0 2 2 0 8 0 pfstate 376 42 0 1 5 0 5 5 0 8 0 pfrule 1344 29 0 18 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 540 0 149 30 2 28 29 0 8 2 art_table 32 541 0 149 4 0 4 4 0 8 0 art_node 16 128 0 51 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 2 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 14 0 4 1 0 1 1 0 8 0 shmpl 112 11 0 3 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2349 0 840 95 0 95 95 0 8 0 ffsino 272 2352 0 843 101 0 101 101 0 8 0 nchpl 144 3226 0 2626 63 32 31 63 0 8 8 uvmvnodes 80 2685 0 0 55 0 55 55 0 8 0 vnodes 216 2685 0 0 150 0 150 150 0 8 0 namei 1024 10382 0 10381 2 1 1 2 0 8 0 percpumem 16 51 0 6 1 0 1 1 0 8 0 pfiaddrpl 120 2 0 1 1 0 1 1 0 8 0 kstatmem 264 34 0 12 2 0 2 2 0 8 0 scxspl 216 9438 0 9438 9 1 8 8 1 8 8 plimitpl 152 220 0 200 1 0 1 1 0 8 0 sigapl 424 853 0 802 8 2 6 7 0 8 0 futexpl 64 6360 0 6355 1 0 1 1 0 8 0 knotepl 120 547 0 0 17 0 17 17 0 8 0 kqueuepl 216 182 0 171 2 0 2 2 0 8 1 pipepl 320 137 0 110 3 0 3 3 0 8 0 fdescpl 496 833 0 802 6 1 5 6 0 8 0 filepl 152 4345 0 4107 13 0 13 13 0 8 2 lockfpl 104 194 0 190 1 0 1 1 0 8 0 lockfspl 48 92 0 88 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 34 0 17 1 0 1 1 0 8 0 ucredpl 104 812 0 797 1 0 1 1 0 8 0 zombiepl 144 803 0 802 1 0 1 1 0 8 0 processpl 1160 853 0 802 5 1 4 5 0 8 0 procpl 648 1583 0 1524 7 1 6 6 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 664 1181 0 1153 9 0 9 9 0 8 5 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 229 0 0 29 0 29 29 0 8 0 mtagpl 96 15 0 0 1 0 1 1 0 8 0 mbufpl 256 245 0 0 15 0 15 15 0 8 0 bufpl 280 3203 0 98 222 0 222 222 0 8 0 anonpl 24 166082 0 162723 52 4 48 48 0 185 20 amapchunkpl 152 21973 0 21500 32 0 32 32 0 158 10 amappl16 200 4156 0 4136 21 10 11 15 0 8 8 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 118 0 105 1 0 1 1 0 8 0 amappl13 176 46 0 46 1 1 0 1 0 8 0 amappl12 168 1492 0 1462 3 1 2 2 0 8 0 amappl11 160 55 0 41 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 1 0 1 0 8 0 amappl9 144 141 0 141 1 1 0 1 0 8 0 amappl8 136 25 0 23 1 0 1 1 0 8 0 amappl7 128 109 0 95 1 0 1 1 0 8 0 amappl6 120 176 0 175 1 0 1 1 0 8 0 amappl5 112 136 0 124 1 0 1 1 0 8 0 amappl4 104 321 0 302 1 0 1 1 0 8 0 amappl3 96 4110 0 4016 3 0 3 3 0 8 0 amappl2 88 1040 0 963 2 0 2 2 0 8 0 amappl1 80 8940 0 8351 15 2 13 15 0 8 0 amappl 88 6323 0 6157 5 0 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 13 0 3 1 0 1 1 0 8 0 uaddrrnd 24 834 0 803 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 834 0 803 1 0 1 1 0 8 0 vmmpekpl 168 8074 0 8023 3 0 3 3 0 8 0 vmmpepl 168 58052 0 56184 97 0 97 97 0 357 10 vmsppl 440 833 0 803 6 2 4 5 0 8 0 rwobjpl 56 21833 0 18207 52 0 52 52 0 8 0 pdppl 4096 1675 0 1606 101 28 73 87 0 8 4 pvpl 32 15865 0 0 129 1 128 128 0 265 0 pmappl 248 833 0 803 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 398 0 34 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8344dff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff836320c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff836320c0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a0c0d50,ffff800000069c00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f end of kernel end trace frame: 0x7249c90bb460, count: 9 ddb{0}> trace x86_ipi_db(ffffffff8344dff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff836320c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff836320c0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a0c0d50,ffff800000069c00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f end of kernel end trace frame: 0x7249c90bb460, count: -6 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e812b) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806de99670,41a8,fffffd807f7d32d8,ffff800037204cd8) at ffs_inode_alloc+0x96c sys/ufs/ffs/ffs_alloc.c:404 ufs_mkdir(ffff800037204d40) at ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 VOP_MKDIR(fffffd8060fe1b28,ffff800037204ea0,ffff800037204ed0,ffff800037204dd0) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 domkdirat(ffff8000371e87c8,ffffff9c,20000040,1b8) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 syscall(ffff800037205050) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037205050) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e5995ace00, count: 7 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830e812b) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806de99670,41a8,fffffd807f7d32d8,ffff800037204cd8) at ffs_inode_alloc+0x96c sys/ufs/ffs/ffs_alloc.c:404 ufs_mkdir(ffff800037204d40) at ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 VOP_MKDIR(fffffd8060fe1b28,ffff800037204ea0,ffff800037204ed0,ffff800037204dd0) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 domkdirat(ffff8000371e87c8,ffffff9c,20000040,1b8) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 syscall(ffff800037205050) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037205050) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e5995ace00, count: -8