panic: ufsdirhash_lookup: bad offset in hash array Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 419743 7792 0 0 0 0 syz-executor.5 *296409 7792 0 0 0x4000000 1K syz-executor.5 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828183d2) at panic+0x177 sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd8060685670,ffff800026138c00,1,fffffd806068573c,ffff800029de36c8,0) at ufsdirhash_lookup+0x8b8 sys/ufs/ufs/ufs_dirhash.c:343 ufs_lookup() at ufs_lookup+0xc15 sys/ufs/ufs/ufs_lookup.c:216 VOP_LOOKUP(fffffd8060927370,ffff800029de3a20,ffff800029de3a50) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 vfs_lookup(ffff800029de39f0) at vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:566 namei(ffff800029de39f0) at namei+0x55a sys/kern/vfs_lookup.c:250 domkdirat(ffff8000211f4858,6,200000c0,0) at domkdirat+0x75 sys/kern/vfs_syscalls.c:3097 syscall(ffff800029de3bd0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800029de3bd0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x753d2d2f130, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: ufsdirhash_lookup: bad offset in hash array ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828183d2) at panic+0x177 sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd8060685670,ffff800026138c00,1,fffffd806068573c,ffff800029de36c8,0) at ufsdirhash_lookup+0x8b8 sys/ufs/ufs/ufs_dirhash.c:343 ufs_lookup() at ufs_lookup+0xc15 sys/ufs/ufs/ufs_lookup.c:216 VOP_LOOKUP(fffffd8060927370,ffff800029de3a20,ffff800029de3a50) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 vfs_lookup(ffff800029de39f0) at vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:566 namei(ffff800029de39f0) at namei+0x55a sys/kern/vfs_lookup.c:250 domkdirat(ffff8000211f4858,6,200000c0,0) at domkdirat+0x75 sys/kern/vfs_syscalls.c:3097 syscall(ffff800029de3bd0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800029de3bd0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x753d2d2f130, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800029de34e0 rbx 0xffff800020d69b8f rdx 0 rcx 0 rax 0xffff8000211f4858 r8 0x101010101010101 r9 0x8080808080808080 r10 0xac7336db4677a60a r11 0x9d564a5b2f366040 r12 0xffff800020d69990 r13 0 r14 0 r15 0x1 rip 0xffffffff81b420b8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800029de34d0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.5) pid=296409 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000211f4dc8,0xffff800021202db8 process=0xffff8000ffff8008 user=0xffff800029dde000, vmspace=0xfffffd80089b2000 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 7792 419743 56948 0 7 0 syz-executor.5 * 7792 296409 56948 0 7 0x4000000 syz-executor.5 7792 313735 56948 0 2 0x4000080 syz-executor.5 7792 75026 56948 0 2 0x4000000 syz-executor.5 7792 59886 56948 0 2 0x4000000 syz-executor.5 7792 419778 56948 0 2 0x4000000 syz-executor.5 63925 396961 42118 0 3 0x82 piperd syz-executor.7 55491 380109 42118 0 3 0x82 nanoslp syz-executor.4 56948 98967 42118 0 3 0x82 nanoslp syz-executor.5 14234 306236 42118 0 3 0x82 piperd syz-executor.2 79896 310216 42118 0 3 0x82 piperd syz-executor.6 13370 162483 42118 0 3 0x82 piperd syz-executor.3 299 296000 42118 0 3 0x82 piperd syz-executor.0 27716 130157 1 0 3 0 vmmaplk syz-executor.2 27716 407924 1 0 3 0x4000000 vmmaplk syz-executor.2 27716 439312 1 0 3 0x4000000 vmmaplk syz-executor.2 29125 208715 0 0 3 0x14280 nfsidl nfsio 23764 517157 0 0 3 0x14280 nfsidl nfsio 17174 74234 0 0 3 0x14280 nfsidl nfsio 17229 2351 0 0 3 0x14280 nfsidl nfsio 50109 454065 0 0 3 0x14280 nfsidl nfsio 95578 456342 0 0 3 0x14280 nfsidl nfsio 33005 265995 0 0 3 0x14280 nfsidl nfsio 75268 42953 0 0 3 0x14280 nfsidl nfsio 74457 210318 0 0 3 0x14280 nfsidl nfsio 89502 88665 0 0 3 0x14280 nfsidl nfsio 38435 150476 0 0 3 0x14280 nfsidl nfsio 25008 176840 0 0 3 0x14280 nfsidl nfsio 37780 50750 0 0 3 0x14280 nfsidl nfsio 66577 123822 0 0 3 0x14280 nfsidl nfsio 3263 374286 0 0 3 0x14280 nfsidl nfsio 10423 280706 0 0 3 0x14280 nfsidl nfsio 49652 359400 0 0 3 0x14280 nfsidl nfsio 98068 252023 0 0 3 0x14280 nfsidl nfsio 8886 346820 0 0 3 0x14280 nfsidl nfsio 8256 449003 0 0 3 0x14280 nfsidl nfsio 2477 41472 1 0 3 0 vmmaplk syz-executor.0 2477 289360 1 0 3 0x4000000 vmmaplk syz-executor.0 2477 107882 1 0 3 0x4000000 vmmaplk syz-executor.0 65131 54336 42118 0 3 0x82 piperd syz-executor.1 78948 169968 0 0 3 0x14200 bored sosplice 42118 364846 15428 0 3 0x82 thrsleep syz-fuzzer 42118 445101 15428 0 3 0x4000082 thrsleep syz-fuzzer 42118 110669 15428 0 3 0x4000082 thrsleep syz-fuzzer 42118 55088 15428 0 3 0x4000082 wait syz-fuzzer 42118 148524 15428 0 3 0x4000082 wait syz-fuzzer 42118 253931 15428 0 3 0x4000082 kqread syz-fuzzer 42118 247425 15428 0 3 0x4000082 wait syz-fuzzer 42118 420970 15428 0 3 0x4000082 thrsleep syz-fuzzer 42118 281619 15428 0 3 0x4000082 thrsleep syz-fuzzer 42118 298250 15428 0 3 0x4000082 wait syz-fuzzer 42118 433470 15428 0 3 0x4000082 wait syz-fuzzer 42118 15591 15428 0 3 0x4000082 thrsleep syz-fuzzer 42118 265333 15428 0 3 0x4000082 thrsleep syz-fuzzer 42118 452113 15428 0 3 0x4000082 wait syz-fuzzer 42118 426867 15428 0 3 0x4000082 wait syz-fuzzer 42118 404743 15428 0 3 0x4000082 wait syz-fuzzer 15428 46256 67878 0 3 0x10008a sigsusp ksh 67878 505495 19783 0 3 0x9a kqread sshd 11294 125398 1 0 3 0x100083 ttyopn getty 19783 146901 1 0 3 0x88 kqread sshd 84883 460731 26383 74 3 0x1100092 bpf pflogd 26383 522884 1 0 3 0x80 netio pflogd 22331 136871 31513 73 3 0x1100090 kqread syslogd 31513 430484 1 0 3 0x100082 netio syslogd 65280 95444 1 0 3 0x100080 kqread resolvd 63303 495751 0 0 3 0x14200 bored smr 56185 111478 0 0 2 0x14200 zerothread 10560 10744 0 0 3 0x14200 aiodoned aiodoned 60666 361652 0 0 3 0x14200 syncer update 90661 339319 0 0 3 0x14200 cleaner cleaner 2498 159962 0 0 3 0x14200 reaper reaper 89803 51744 0 0 3 0x14200 pgdaemon pagedaemon 25497 110852 0 0 3 0x14200 bored viomb 29043 465588 0 0 3 0x40014200 acpi0 acpi0 52347 71621 0 0 3 0x40014200 idle1 25553 218361 0 0 3 0x14200 bored softnet 34576 438390 0 0 3 0x14200 bored softnet 26128 424716 0 0 3 0x14200 bored softnet 98647 39948 0 0 3 0x14200 bored softnet 22396 271986 0 0 3 0x14200 bored systqmp 75558 354814 0 0 3 0x14200 bored systq 90558 205015 0 0 3 0x40014200 bored softclock 64105 316634 0 0 3 0x40014200 idle0 1 330489 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10240 6510K 7530K 78643K 54959 0 pcb 13 16K 18K 78643K 1914 0 rtable 205 17K 18K 78643K 3158 0 ifaddr 84 27K 29K 78643K 1110 0 sysctl 2 0K 0K 78643K 6 0 counters 58 35K 36K 78643K 748 0 ioctlops 0 0K 4K 78643K 2721 0 iov 0 0K 32K 78643K 4332 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1652 103K 104K 78643K 16361 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 126 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 1785 0 dirhash 81 14K 18K 78643K 21786 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 13 45K 89K 78643K 15227 0 sigio 0 0K 0K 78643K 294 0 proc 65 67K 140K 78643K 7318 0 subproc 130 8K 8K 78643K 845 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 749 0 in_multi 68 4K 6K 78643K 1214 0 ether_multi 1 0K 0K 78643K 50 0 mrt 1 0K 0K 78643K 67 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 235 1049K 1049K 78643K 235 0 exec 0 0K 1K 78643K 3129 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 361 124K 142K 78643K 106883 0 UVM aobj 7 2K 2K 78643K 7 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 405 0 NDP 15 0K 2K 78643K 432 0 temp 151 5779K 6803K 78643K 238760 0 kqueue 6 10K 26K 78643K 861 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> 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 120 733 0 732 9 8 1 3 0 8 0 rtentry 112 1103 0 1021 5 2 3 4 0 8 0 unpcb 144 16105 0 16097 128 122 6 10 0 8 5 syncache 296 43 0 43 15 15 0 1 0 8 0 tcpqe 32 1070 51 1070 6 6 0 1 0 8 0 tcpcb 776 7758 0 7750 177 169 8 14 0 8 7 arp 120 144 0 129 1 0 1 1 0 8 0 inpcb 368 21636 0 21628 236 226 10 16 0 8 8 nd6 48 257 0 239 1 0 1 1 0 8 0 pkpcb 40 14 0 14 4 4 0 1 0 8 0 kcovpl 48 65 0 55 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1256 203 0 203 20 20 0 1 0 8 0 pppxif 1456 32 0 32 11 11 0 1 0 8 0 pfstscr 40 5 0 5 2 2 0 1 0 8 0 pffrag 232 36 0 34 6 5 1 1 0 482 0 pffrnode 88 36 0 34 6 5 1 1 0 8 0 pffrent 40 94 0 92 6 5 1 1 0 8 0 pfosfp 40 1438 0 1014 5 0 5 5 0 8 0 pfosfpen 112 1438 0 723 21 0 21 21 0 8 0 pfanchor 1280 761 3 249 49 6 43 43 0 8 0 pfqueue 264 4 0 4 1 1 0 1 0 8 0 pfstitem 24 49 0 47 1 0 1 1 0 8 0 pfstkey 128 57 0 55 1 0 1 1 0 8 0 pfstate 384 52 0 50 3 2 1 3 0 8 0 pfrule 1344 21 0 20 2 1 1 2 0 8 0 rttmr 136 20 0 20 7 7 0 1 0 8 0 art_heap8 4096 6 0 5 6 4 2 2 0 8 1 art_heap4 256 5388 0 5068 58 35 23 30 0 8 3 art_table 32 5394 0 5073 5 2 3 4 0 8 0 art_node 16 1099 0 1029 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 3 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 1781 0 1771 1 0 1 1 0 8 0 shmpl 112 4 0 0 1 0 1 1 0 8 0 dirhash 1024 7275 0 7235 6 0 6 6 0 8 0 dino2pl 256 24748 0 22776 125 1 124 124 0 8 0 ffsino 272 24748 0 22776 132 0 132 132 0 8 0 nchpl 144 48801 0 47156 63 0 63 63 0 8 0 rtmask 32 5 0 5 2 2 0 1 0 8 0 uvmvnodes 80 7340 0 0 150 0 150 150 0 8 0 vnodes 216 7340 0 0 408 0 408 408 0 8 0 namei 1024 189735 0 189734 18 17 1 2 0 8 0 percpumem 16 387 0 345 1 0 1 1 0 8 0 vmpool 696 159 0 159 12 12 0 1 0 8 0 kstatmem 264 496 0 466 8 5 3 3 0 8 0 scsiplug 72 22 0 22 6 6 0 1 0 8 0 scxspl 216 142065 0 142065 36 33 3 8 0 8 3 plimitpl 152 1429 0 1412 1 0 1 1 0 8 0 sigapl 424 15472 0 15410 15 6 9 9 0 8 0 futexpl 64 141162 0 141162 6 5 1 1 0 8 1 knotepl 120 1037 0 0 11 0 11 11 0 8 0 kqueuepl 216 2183 0 2178 49 48 1 5 0 8 0 pipepl 320 3049 0 3019 80 77 3 12 0 8 0 fdescpl 496 15412 0 15389 10 5 5 5 0 8 1 filepl 152 108770 0 108512 194 175 19 23 0 8 8 lockfpl 104 13682 0 13681 30 29 1 4 0 8 0 lockfspl 48 6481 0 6480 4 3 1 2 0 8 0 sessionpl 144 81 0 63 1 0 1 1 0 8 0 pgrppl 48 206 0 188 1 0 1 1 0 8 0 ucredpl 104 9855 0 9846 1 0 1 1 0 8 0 zombiepl 144 15411 0 15410 5 4 1 1 0 8 0 processpl 1072 15472 0 15410 6 1 5 5 0 8 0 procpl 696 43438 0 43352 25 15 10 11 0 8 0 srpgc 96 60 0 60 19 19 0 1 0 8 0 sosppl 168 112 0 112 24 24 0 1 0 8 0 sockpl 488 38500 0 38483 846 827 19 42 0 8 16 mcl64k 65536 33 0 0 3 1 2 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 31 0 0 3 1 2 2 0 8 0 mcl8k 8192 39 0 0 4 1 3 3 0 8 1 mcl4k 4096 35 0 0 4 1 3 3 0 8 0 mcl2k2 2112 15 0 0 1 0 1 1 0 8 0 mcl2k 2048 564 0 0 41 2 39 41 0 8 1 mtagpl 96 1891 0 0 40 0 40 40 0 8 0 mbufpl 256 2833 0 0 150 0 150 150 0 8 0 bufpl 288 33891 0 26506 528 0 528 528 0 8 0 anonpl 24 3131875 0 3112780 197 35 162 162 0 186 1 amapchunkpl 152 309920 0 308979 133 86 47 53 0 158 0 amappl16 200 28446 0 27822 136 100 36 51 0 8 0 amappl15 192 9 0 9 2 2 0 1 0 8 0 amappl14 184 341 0 328 3 2 1 2 0 8 0 amappl13 176 16 0 16 5 5 0 1 0 8 0 amappl12 168 1144 0 1135 1 0 1 1 0 8 0 amappl11 160 52 0 44 1 0 1 1 0 8 0 amappl10 152 110 0 96 2 1 1 1 0 8 0 amappl9 144 1022 0 1020 1 0 1 1 0 8 0 amappl8 136 792 0 670 5 0 5 5 0 8 0 amappl7 128 311 0 286 2 0 2 2 0 8 0 amappl6 120 552 0 530 2 1 1 2 0 8 0 amappl5 112 517 0 511 1 0 1 1 0 8 0 amappl4 104 1338 0 1298 3 1 2 2 0 8 0 amappl3 96 46098 0 46054 3 1 2 2 0 8 0 amappl2 88 16584 0 16524 4 1 3 4 0 8 0 amappl1 80 358070 0 357440 38 18 20 28 0 8 1 amappl 88 105330 0 105138 8 1 7 7 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 6 0 0 1 0 1 1 0 8 0 uaddrrnd 24 15572 0 15549 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 15572 0 15549 1 0 1 1 0 8 0 vmmpekpl 168 124658 0 124589 4 0 4 4 0 8 0 vmmpepl 168 1442263 0 1439712 483 275 208 214 0 357 59 vmsppl 440 15571 0 15549 7 3 4 5 0 8 0 rwobjpl 56 384152 0 375052 161 26 135 135 0 8 1 pdppl 4096 31151 0 31098 821 748 73 81 0 8 20 pvpl 32 6190739 0 6166571 492 237 255 362 0 265 3 pmappl 248 15571 0 15549 6 3 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2159 0 1059 32 0 32 32 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff82b24ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82db6020) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82db6020) at __mp_lock+0x122 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x1f __mp_lock(ffffffff82db6020) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82db6020) at __mp_lock+0x122 sys/kern/kern_lock.c:147 syscall(ffff800021223490) at syscall+0x5cd mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800021223490) at syscall+0x5cd sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdc1b0, count: 6 ddb{0}> trace x86_ipi_db(ffffffff82b24ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82db6020) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82db6020) at __mp_lock+0x122 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x1f __mp_lock(ffffffff82db6020) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82db6020) at __mp_lock+0x122 sys/kern/kern_lock.c:147 syscall(ffff800021223490) at syscall+0x5cd mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800021223490) at syscall+0x5cd sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdc1b0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828183d2) at panic+0x177 sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd8060685670,ffff800026138c00,1,fffffd806068573c,ffff800029de36c8,0) at ufsdirhash_lookup+0x8b8 sys/ufs/ufs/ufs_dirhash.c:343 ufs_lookup() at ufs_lookup+0xc15 sys/ufs/ufs/ufs_lookup.c:216 VOP_LOOKUP(fffffd8060927370,ffff800029de3a20,ffff800029de3a50) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 vfs_lookup(ffff800029de39f0) at vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:566 namei(ffff800029de39f0) at namei+0x55a sys/kern/vfs_lookup.c:250 domkdirat(ffff8000211f4858,6,200000c0,0) at domkdirat+0x75 sys/kern/vfs_syscalls.c:3097 syscall(ffff800029de3bd0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800029de3bd0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x753d2d2f130, count: 5 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828183d2) at panic+0x177 sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd8060685670,ffff800026138c00,1,fffffd806068573c,ffff800029de36c8,0) at ufsdirhash_lookup+0x8b8 sys/ufs/ufs/ufs_dirhash.c:343 ufs_lookup() at ufs_lookup+0xc15 sys/ufs/ufs/ufs_lookup.c:216 VOP_LOOKUP(fffffd8060927370,ffff800029de3a20,ffff800029de3a50) at VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 vfs_lookup(ffff800029de39f0) at vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:566 namei(ffff800029de39f0) at namei+0x55a sys/kern/vfs_lookup.c:250 domkdirat(ffff8000211f4858,6,200000c0,0) at domkdirat+0x75 sys/kern/vfs_syscalls.c:3097 syscall(ffff800029de3bd0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800029de3bd0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:625 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x753d2d2f130, count: -10