panic: ffs_valloc: dup alloc Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *180306 61998 0 0x2 0 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83436fb8) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806f6c3850,41c0,fffffd80097fd478,ffff80003bbc9a58) at ffs_inode_alloc+0x94e ufs_mkdir(ffff80003bbc9ac0) at ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 VOP_MKDIR(fffffd806f5d22b8,ffff80003bbc9c20,ffff80003bbc9c50,ffff80003bbc9b50) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 domkdirat(ffff80003c3d9778,ffffff9c,7bed1e2c2c10,1c0) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 syscall(ffff80003bbc9dd0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bbc9dd0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7bed1e2c2bd0, 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:438 panic(ffffffff83436fb8) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806f6c3850,41c0,fffffd80097fd478,ffff80003bbc9a58) at ffs_inode_alloc+0x94e ufs_mkdir(ffff80003bbc9ac0) at ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 VOP_MKDIR(fffffd806f5d22b8,ffff80003bbc9c20,ffff80003bbc9c50,ffff80003bbc9b50) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 domkdirat(ffff80003c3d9778,ffffff9c,7bed1e2c2c10,1c0) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 syscall(ffff80003bbc9dd0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bbc9dd0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7bed1e2c2bd0, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003bbc97d0 rbx 0xffff8000299bee07 rdx 0 rcx 0xffff80003c3d9778 rax 0xffff8000299bdff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x2c892e38fee7d856 r11 0xfa0655c7d6d6e5f r12 0xffff8000299bec08 r13 0 r14 0 r15 0x1 rip 0xffffffff81238435 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003bbc97c0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=180306 pid=61998 tcnt=1 stat=onproc flags process=2 proc=0 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c3d8d18,0xffffffff839de798 process=0xffff80002a39c9b8 user=0xffff80003bbc4000, vmspace=0xfffffd807e71d018 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND *61998 180306 69251 0 7 0x2 syz-executor 17451 266599 99952 0 3 0x400080 nanoslp syz-executor 17451 125241 99952 0 3 0x4400080 ttyin syz-executor 17451 140080 99952 0 3 0x4400080 fsleep syz-executor 19834 464001 69251 0 3 0x82 piperd syz-executor 57817 173350 69251 0 3 0x82 wait syz-executor 81017 85383 0 0 3 0x14200 acct acct 26127 316391 1 0 3 0x100083 ttyopn getty 94811 289998 69251 0 3 0x82 piperd syz-executor 99952 89154 69251 0 3 0x82 nanoslp syz-executor 10478 299362 69251 0 3 0x82 piperd syz-executor 69251 508990 85840 0 3 0x82 wait syz-executor 85840 502367 39032 0 3 0x10008a sigsusp ksh 39032 21829 78999 0 3 0x98 kqread sshd-session 78999 369469 9527 0 3 0x92 kqread sshd-session 9527 291373 1 0 3 0x88 kqread sshd 38887 353123 72355 74 3 0x1100092 bpf pflogd 72355 497507 1 0 3 0x80 sbwait pflogd 48793 186527 71778 73 3 0x1100090 kqread syslogd 71778 421666 1 0 3 0x100082 sbwait syslogd 31916 177621 1 0 3 0x100080 kqread resolvd 57128 292452 19115 77 3 0x100092 kqread dhcpleased 74207 393995 19115 77 3 0x100092 kqread dhcpleased 19115 494496 1 0 3 0x80 kqread dhcpleased 51690 407394 0 0 3 0x14200 bored smr 97731 182234 0 0 3 0x14200 pgzero zerothread 21930 185045 0 0 3 0x14200 aiodoned aiodoned 13320 425686 0 0 3 0x14200 syncer update 86658 235658 0 0 3 0x14200 cleaner cleaner 66200 33030 0 0 3 0x14200 reaper reaper 90354 58589 0 0 3 0x14200 pgdaemon pagedaemon 79016 244554 0 0 3 0x14200 bored viomb 54108 471887 0 0 3 0x40014200 acpi0 acpi0 70713 85633 0 0 3 0x40014200 idle1 78655 520777 0 0 3 0x14200 bored softnet1 39112 343428 0 0 3 0x14200 bored softnet0 37626 117124 0 0 3 0x14200 smrbar systqmp 99696 400251 0 0 3 0x14200 bored systq 38763 319020 0 0 3 0x14200 tmoslp softclockmp 87268 168698 0 0 3 0x40014200 tmoslp softclock 84140 21251 0 0 7 0x40014200 idle0 1 412181 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 61998 (syz-executor) thread 0xffff80003c3d9778 (180306) exclusive rrwlock inode r = 0 (0xfffffd806e7b87e0) #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+0xbd 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_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806f6c38f0) #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+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3128 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839d2f80) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] #1 syscall+0xaf4 sys/arch/amd64/amd64/trap.c:783 #2 Xsyscall+0x128 Process 37626 (systqmp) thread 0xffff8000ffffecf8 (117124) shared rwlock systqmp r = 0 (0xffffffff839253f8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11069 12151K 12801K 166960K 13128 0 pcb 18 12K 12K 166960K 104 0 rtable 155 6K 8K 166960K 474 0 pf 36 18K 25K 166960K 134 0 ifaddr 31 4K 8K 166960K 77 0 ifgroup 48 2K 2K 166960K 117 0 sysctl 4 1K 9K 166960K 10 0 counters 68 36K 37K 166960K 138 0 ioctlops 0 0K 4K 166960K 1625 0 iov 0 0K 12K 166960K 6 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1298 82K 82K 166960K 1888 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 17 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 12 38K 110K 166960K 889 0 sigio 0 0K 0K 166960K 8 0 proc 72 115K 180K 166960K 640 0 subproc 63 3K 4K 166960K 91 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 53 0 in_multi 48 3K 7K 166960K 167 0 ether_multi 1 0K 0K 166960K 5 0 mrt 1 0K 0K 166960K 18 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 532 0 fusefs mount 1 32K 32K 166960K 1 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 196 158K 194K 166960K 9657 0 UVM aobj 15 2K 2K 166960K 19 0 pinsyscall 37 74K 106K 166960K 2241 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 26 0 NDP 11 0K 2K 166960K 53 0 temp 49 9078K 9145K 166960K 29370 0 kqueue 13 20K 27K 166960K 111 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 59 0 56 1 0 1 1 0 8 0 rtentry 176 148 0 86 6 0 6 6 0 8 0 unpcb 144 282 0 265 2 0 2 2 0 8 1 syncache 336 23 0 23 1 0 1 1 0 8 1 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 143 0 138 1 0 1 1 0 8 0 arp 136 24 0 8 1 0 1 1 0 8 0 inpcb 328 434 0 425 2 0 2 2 0 8 0 nd6 152 32 0 23 1 0 1 1 0 8 0 pkpcb 40 17 0 17 1 0 1 1 0 8 1 kcovpl 48 10 0 3 1 0 1 1 0 8 0 ppxss 1192 25 0 25 1 0 1 1 0 8 1 pppxif 1576 1 0 1 1 1 0 1 0 8 0 pfstscr 40 5 0 4 1 0 1 1 0 8 0 pffrag 232 12 0 3 1 0 1 1 0 482 0 pffrnode 88 12 0 3 1 0 1 1 0 8 0 pffrent 40 18 0 9 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 pfsrclim 320 5 0 5 1 0 1 1 0 8 1 pfstlim 224 1 0 1 1 0 1 1 0 8 1 pfanchor 1288 3 0 0 1 0 1 1 0 8 0 pftag 88 5 0 0 1 0 1 1 0 8 0 pfstitem 24 62 0 4 1 0 1 1 0 8 0 pfstkey 128 79 0 22 2 0 2 2 0 8 0 pfstate 448 69 0 13 7 0 7 7 0 8 0 pfrule 1360 38 0 32 2 1 1 2 0 8 0 rttmr 136 2 0 2 2 1 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 641 0 394 31 5 26 31 0 8 7 art_table 40 643 0 394 5 0 5 5 0 8 0 art_node 32 148 0 88 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 4 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 14 0 4 1 0 1 1 0 8 0 shmpl 112 16 0 4 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2698 0 1229 93 0 93 93 0 8 0 ffsino 296 2698 0 1229 114 0 114 114 0 8 0 nchpl 144 3728 0 2024 64 0 64 64 0 8 0 rtmask 32 10 0 10 1 0 1 1 0 8 1 vnodes 216 2399 0 0 134 0 134 134 0 8 0 namei 1024 11095 0 11094 2 1 1 2 0 8 0 percpumem 16 84 0 35 1 0 1 1 0 8 0 kstatmem 264 64 0 40 3 1 2 3 0 8 0 scsiplug 72 7 0 7 1 0 1 1 0 8 1 scxspl 216 12837 0 12837 10 2 8 8 1 8 8 plimitpl 152 87 0 69 1 0 1 1 0 8 0 sigapl 424 1225 0 1182 7 1 6 7 0 8 0 knotepl 120 314 0 0 10 0 10 10 0 8 0 kqueuepl 224 126 0 117 1 0 1 1 0 8 0 pipepl 344 162 0 135 3 0 3 3 0 8 0 fdescpl 528 1208 0 1182 3 0 3 3 0 8 0 filepl 160 4411 0 4204 11 0 11 11 0 8 0 lockfpl 104 230 0 228 1 0 1 1 0 8 0 lockfspl 48 101 0 99 1 0 1 1 0 8 0 sessionpl 144 56 0 47 1 0 1 1 0 8 0 pgrppl 48 68 0 51 1 0 1 1 0 8 0 ucredpl 104 631 0 617 1 0 1 1 0 8 0 zombiepl 144 1185 0 1182 1 0 1 1 0 8 0 processpl 1232 1225 0 1182 5 0 5 5 0 8 0 procpl 664 2082 0 2037 6 0 6 6 0 8 0 sosppl 176 5 0 5 2 1 1 1 0 8 1 sockpl 752 795 0 766 6 1 5 5 0 8 1 mcl64k 65536 18 0 0 3 0 3 3 0 8 0 mcl16k 16384 20 0 0 3 0 3 3 0 8 0 mcl12k 12288 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 9 0 0 2 0 2 2 0 8 0 mcl4k 4096 120 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 23 0 0 3 0 3 3 0 8 0 mtagpl 96 25 0 0 1 0 1 1 0 8 0 mbufpl 256 213 0 0 14 0 14 14 0 8 0 bufpl 280 4060 0 105 283 0 283 283 0 8 0 anonpl 32 7252 0 0 60 1 59 59 0 246 0 amapchunkpl 152 29547 0 29143 31 3 28 31 0 158 5 amappl16 200 2811 0 2757 10 3 7 7 0 8 0 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 457 0 455 1 0 1 1 0 8 0 amappl13 176 182 0 170 1 0 1 1 0 8 0 amappl12 168 1482 0 1458 2 0 2 2 0 8 0 amappl11 160 4 0 4 1 1 0 1 0 8 0 amappl10 152 66 0 51 1 0 1 1 0 8 0 amappl9 144 265 0 265 1 1 0 1 0 8 0 amappl8 136 116 0 113 1 0 1 1 0 8 0 amappl7 128 204 0 191 1 0 1 1 0 8 0 amappl6 120 177 0 176 1 0 1 1 0 8 0 amappl5 112 168 0 157 1 0 1 1 0 8 0 amappl4 104 373 0 354 1 0 1 1 0 8 0 amappl3 96 6193 0 6112 4 0 4 4 0 8 0 amappl2 88 780 0 717 2 0 2 2 0 8 0 amappl1 80 20343 0 19761 22 3 19 20 0 8 3 amappl 88 8672 0 8547 5 0 5 5 0 92 0 uvmvnodes 80 112 0 0 3 0 3 3 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma256 256 8 0 8 3 2 1 1 0 8 1 dma128 128 258 0 258 2 1 1 1 0 8 1 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 18 0 4 1 0 1 1 0 8 0 uaddrrnd 24 1208 0 1182 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1208 0 1182 1 0 1 1 0 8 0 vmmpekpl 168 13264 0 13211 3 0 3 3 0 8 0 vmmpepl 168 92805 0 91139 114 2 112 112 0 357 15 vmsppl 488 1207 0 1182 5 0 5 5 0 8 0 rwobjpl 80 29103 0 28073 30 1 29 29 0 8 2 pdppl 4096 2423 0 2364 119 40 79 87 0 8 20 pvpl 32 17288 0 0 140 0 140 140 0 265 0 pmappl 256 1207 0 1182 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 310 0 51 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83940ff0) 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(ffffffff839d2780) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839d2780) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffffffff83940ff0) at sched_idle+0x371 sys/kern/kern_sched.c:192 end trace frame: 0x0, count: 6 ddb{0}> trace x86_ipi_db(ffffffff83940ff0) 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(ffffffff839d2780) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839d2780) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffffffff83940ff0) at sched_idle+0x371 sys/kern/kern_sched.c:192 end trace frame: 0x0, count: -9 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:438 panic(ffffffff83436fb8) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806f6c3850,41c0,fffffd80097fd478,ffff80003bbc9a58) at ffs_inode_alloc+0x94e ufs_mkdir(ffff80003bbc9ac0) at ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 VOP_MKDIR(fffffd806f5d22b8,ffff80003bbc9c20,ffff80003bbc9c50,ffff80003bbc9b50) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 domkdirat(ffff80003c3d9778,ffffff9c,7bed1e2c2c10,1c0) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 syscall(ffff80003bbc9dd0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bbc9dd0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7bed1e2c2bd0, count: 7 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83436fb8) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806f6c3850,41c0,fffffd80097fd478,ffff80003bbc9a58) at ffs_inode_alloc+0x94e ufs_mkdir(ffff80003bbc9ac0) at ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 VOP_MKDIR(fffffd806f5d22b8,ffff80003bbc9c20,ffff80003bbc9c50,ffff80003bbc9b50) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 domkdirat(ffff80003c3d9778,ffffff9c,7bed1e2c2c10,1c0) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 syscall(ffff80003bbc9dd0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bbc9dd0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7bed1e2c2bd0, count: -8