panic: ufsdirhash_lookup: bad offset in hash array Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *242754 40163 0 0x1000 0x4080000 1K syz-executor.0 183527 74528 0 0x2 0 0 syz-executor.3 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82860451) at panic+0x17b sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd80698e4bb8,ffff8000211d8400,1,fffffd80698e4c84,ffff80002129b578,0) 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(fffffd807934b2d0,ffff80002129b8d0,ffff80002129b900) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 vfs_lookup(ffff80002129b8a0) at vfs_lookup+0x6f5 sys/kern/vfs_lookup.c:566 namei(ffff80002129b8a0) at namei+0x55a sys/kern/vfs_lookup.c:250 domkdirat(ffff800026152e00,3,200000c0,0) at domkdirat+0x79 sys/kern/vfs_syscalls.c:3059 syscall(ffff80002129ba80) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002129ba80) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4eecbf0fd40, 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+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82860451) at panic+0x17b sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd80698e4bb8,ffff8000211d8400,1,fffffd80698e4c84,ffff80002129b578,0) 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(fffffd807934b2d0,ffff80002129b8d0,ffff80002129b900) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 vfs_lookup(ffff80002129b8a0) at vfs_lookup+0x6f5 sys/kern/vfs_lookup.c:566 namei(ffff80002129b8a0) at namei+0x55a sys/kern/vfs_lookup.c:250 domkdirat(ffff800026152e00,3,200000c0,0) at domkdirat+0x79 sys/kern/vfs_syscalls.c:3059 syscall(ffff80002129ba80) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002129ba80) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4eecbf0fd40, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002129b390 rbx 0xffff800020d59b8f rdx 0 rcx 0 rax 0xffff800026152e00 r8 0x101010101010101 r9 0x8080808080808080 r10 0x25ac059cdf863e2 r11 0x3f05183cfad29ebe r12 0xffff800020d59990 r13 0 r14 0 r15 0x1 rip 0xffffffff81b7824c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002129b380 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=242754 stat=onproc flags process=1000 proc=4080000 pri=32, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff800026153628,0xffff800026152b58 process=0xffff800021211930 user=0xffff800021296000, vmspace=0xfffffd8069d03018 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 76669 228490 65407 0 2 0 syz-executor.5 91803 190625 74397 0 2 0 syz-executor.1 91803 321128 74397 0 2 0x4000000 syz-executor.1 40163 55221 45878 0 3 0x4081000 biowait syz-executor.0 *40163 242754 45878 0 7 0x4081000 syz-executor.0 40163 521110 45878 0 3 0x4003000 suspend syz-executor.0 76835 429457 90134 0 2 0 syz-executor.6 76835 84030 90134 0 3 0x4000080 fsleep syz-executor.6 74397 333902 46017 0 3 0x82 nanoslp syz-executor.1 45878 331513 46017 0 3 0x82 nanoslp syz-executor.0 3113 204350 1 0 3 0x100083 ttyin getty 98921 307927 46017 0 3 0x2 biowait syz-executor.4 95489 135520 46017 0 2 0x2 syz-executor.2 64475 157007 46017 0 2 0x2 syz-executor.7 65407 156841 46017 0 3 0x82 nanoslp syz-executor.5 74528 183527 46017 0 7 0x2 syz-executor.3 90134 435834 46017 0 2 0x2 syz-executor.6 42075 365589 0 0 3 0x14280 nfsidl nfsio 70155 214248 0 0 3 0x14280 nfsidl nfsio 71729 174647 0 0 3 0x14280 nfsidl nfsio 49889 484188 0 0 3 0x14280 nfsidl nfsio 95890 76738 0 0 3 0x14280 nfsidl nfsio 75789 35251 0 0 3 0x14280 nfsidl nfsio 15333 206368 0 0 3 0x14280 nfsidl nfsio 89658 171199 0 0 3 0x14280 nfsidl nfsio 6831 325758 0 0 3 0x14280 nfsidl nfsio 18768 427667 0 0 3 0x14280 nfsidl nfsio 48866 172568 0 0 3 0x14280 nfsidl nfsio 65079 304849 0 0 3 0x14280 nfsidl nfsio 65011 241554 0 0 3 0x14280 nfsidl nfsio 90334 519698 0 0 3 0x14280 nfsidl nfsio 71180 72867 0 0 3 0x14280 nfsidl nfsio 68518 458495 0 0 3 0x14280 nfsidl nfsio 5786 458029 0 0 3 0x14280 nfsidl nfsio 51038 313943 0 0 3 0x14280 nfsidl nfsio 58355 34814 0 0 3 0x14280 nfsidl nfsio 11304 495856 0 0 3 0x14280 nfsidl nfsio 79540 400199 0 0 3 0x14200 bored sosplice 46017 118237 32088 0 3 0x82 wait syz-fuzzer 46017 149890 32088 0 3 0x4000082 nanoslp syz-fuzzer 46017 513878 32088 0 3 0x4000082 wait syz-fuzzer 46017 423191 32088 0 3 0x4000082 thrsleep syz-fuzzer 46017 289504 32088 0 3 0x4000082 thrsleep syz-fuzzer 46017 385078 32088 0 3 0x4000082 wait syz-fuzzer 46017 200627 32088 0 3 0x4000082 wait syz-fuzzer 46017 486196 32088 0 3 0x4000082 wait syz-fuzzer 46017 459842 32088 0 3 0x4000082 thrsleep syz-fuzzer 46017 470586 32088 0 3 0x4000082 thrsleep syz-fuzzer 46017 30341 32088 0 3 0x4000082 thrsleep syz-fuzzer 46017 190522 32088 0 3 0x4000082 kqread syz-fuzzer 46017 162379 32088 0 3 0x4000082 wait syz-fuzzer 46017 342676 32088 0 3 0x4000082 wait syz-fuzzer 46017 194512 32088 0 3 0x4000082 thrsleep syz-fuzzer 46017 30562 32088 0 3 0x4000082 wait syz-fuzzer 32088 207720 71869 0 3 0x10008a sigsusp ksh 71869 7132 58910 0 3 0x9a kqread sshd 58910 190880 1 0 3 0x88 kqread sshd 82781 23128 37335 74 3 0x1100092 bpf pflogd 37335 306767 1 0 3 0x80 netio pflogd 92746 63496 69151 73 3 0x1100090 kqread syslogd 69151 258177 1 0 3 0x100082 netio syslogd 69357 375658 1 0 3 0x100080 kqread resolvd 18613 271724 0 0 3 0x14200 bored smr 83418 523576 0 0 2 0x14200 zerothread 83464 83350 0 0 3 0x14200 aiodoned aiodoned 84357 349363 0 0 3 0x14200 syncer update 6170 83491 0 0 3 0x14200 cleaner cleaner 35472 203879 0 0 3 0x14200 reaper reaper 11479 77079 0 0 3 0x14200 pgdaemon pagedaemon 48595 400628 0 0 3 0x14200 bored viomb 8044 95029 0 0 3 0x40014200 acpi0 acpi0 8966 180578 0 0 3 0x40014200 idle1 58164 230843 0 0 3 0x14200 bored softnet3 54396 215639 0 0 3 0x14200 bored softnet2 8665 232084 0 0 3 0x14200 bored softnet1 6541 120241 0 0 3 0x14200 bored softnet0 68985 204270 0 0 3 0x14200 bored systqmp 43882 249852 0 0 3 0x14200 bored systq 64062 295635 0 0 3 0x40014200 bored softclock 1376 31051 0 0 3 0x40014200 idle0 1 372638 0 0 3 0x82 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 10205 6485K 7634K 78643K 27163 0 pcb 13 20K 23K 78643K 1326 0 rtable 170 14K 18K 78643K 1951 0 ifaddr 68 23K 27K 78643K 691 0 sysctl 3 1K 3K 78643K 6 0 counters 56 35K 36K 78643K 286 0 ioctlops 0 0K 4K 78643K 2395 0 iov 0 0K 36K 78643K 1026 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1533 96K 96K 78643K 8585 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 90 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 3545 0 dirhash 87 15K 18K 78643K 7884 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 14 49K 89K 78643K 14075 0 sigio 0 0K 0K 78643K 240 0 proc 65 67K 115K 78643K 2626 0 subproc 104 6K 6K 78643K 329 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 450 0 in_multi 60 4K 6K 78643K 471 0 ether_multi 1 0K 0K 78643K 48 0 mrt 1 0K 0K 78643K 25 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 211 943K 943K 78643K 211 0 exec 0 0K 1K 78643K 1421 0 pfkey data 0 0K 0K 78643K 7 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 395 96K 108K 78643K 137016 0 UVM aobj 131 4K 4K 78643K 132 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 254 0 NDP 12 0K 0K 78643K 162 0 temp 129 5866K 6890K 78643K 111084 0 kqueue 6 10K 23K 78643K 845 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 1078 0 1077 9 8 1 3 0 8 0 rtentry 112 399 0 328 4 1 3 4 0 8 0 unpcb 144 31757 0 31749 120 114 6 12 0 8 5 syncache 296 37 0 37 11 11 0 1 0 8 0 tcpqe 32 244 31 244 4 4 0 1 0 8 0 tcpcb 776 2416 0 2410 82 80 2 14 0 8 0 arp 120 55 0 41 1 0 1 1 0 8 0 inpcb 368 9098 0 9092 152 146 6 16 0 8 4 ip6q 72 3 0 3 1 1 0 1 0 8 0 ip6af 40 6 0 6 1 1 0 1 0 8 0 nd6 136 90 0 76 1 0 1 1 0 8 0 pkpcb 40 217 0 217 7 7 0 1 0 8 0 kcovpl 48 25 0 17 1 0 1 1 0 8 0 mppekey 1024 2 0 2 2 2 0 1 0 8 0 ppxss 1256 65 0 65 14 14 0 1 0 8 0 pppxif 1456 21 0 21 6 6 0 1 0 8 0 pfstscr 40 2 0 2 1 1 0 1 0 8 0 pffrag 232 25 0 24 5 4 1 1 0 482 0 pffrnode 88 24 0 23 5 4 1 1 0 8 0 pffrent 40 164 0 163 5 4 1 1 0 8 0 pfosfp 40 1441 0 1016 5 0 5 5 0 8 0 pfosfpen 112 1441 0 723 21 0 21 21 0 8 0 pfanchor 1288 1050 8 538 49 6 43 43 0 8 0 pfstitem 24 107 0 105 1 0 1 1 0 8 0 pfstkey 128 107 0 105 2 1 1 2 0 8 0 pfstate 384 105 0 103 6 5 1 4 0 8 0 pfrule 1344 21 0 20 2 1 1 2 0 8 0 rttmr 136 5 0 5 3 3 0 1 0 8 0 art_heap8 4096 6 0 5 5 4 1 2 0 8 0 art_heap4 256 1777 0 1500 41 17 24 29 0 8 2 art_table 32 1783 0 1505 4 0 4 4 0 8 0 art_node 16 391 0 329 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 6 2 2 0 1 0 8 0 semapl 112 3543 0 3533 1 0 1 1 0 8 0 shmpl 112 129 0 1 4 0 4 4 0 8 0 dirhash 1024 2641 0 2599 7 0 7 7 0 8 1 dino2pl 256 19700 0 18040 104 0 104 104 0 8 0 ffsino 272 19700 0 18040 111 0 111 111 0 8 0 nchpl 144 40191 0 39698 63 41 22 63 0 8 0 rtmask 32 4 0 4 2 2 0 1 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 131181 0 131177 6 4 2 2 0 8 1 percpumem 16 156 0 115 1 0 1 1 0 8 0 kstatmem 264 200 0 176 9 7 2 3 0 8 0 scsiplug 72 2 0 2 1 1 0 1 0 8 0 scxspl 216 108449 0 108447 14 13 1 8 0 8 0 plimitpl 152 1033 0 1018 1 0 1 1 0 8 0 sigapl 424 14378 0 14316 10 2 8 8 0 8 0 futexpl 64 110890 0 110889 2 1 1 1 0 8 0 knotepl 120 768 0 0 15 1 14 14 0 8 0 kqueuepl 216 1838 0 1833 30 29 1 5 0 8 0 pipepl 320 3178 0 3150 76 73 3 8 0 8 0 fdescpl 496 14339 0 14315 5 1 4 5 0 8 0 filepl 152 106680 0 106454 148 131 17 23 0 8 7 lockfpl 104 2611 0 2610 10 9 1 4 0 8 0 lockfspl 48 539 0 538 1 0 1 1 0 8 0 sessionpl 144 42 0 26 1 0 1 1 0 8 0 pgrppl 48 288 0 272 1 0 1 1 0 8 0 ucredpl 104 9199 0 9190 1 0 1 1 0 8 0 zombiepl 144 14317 0 14316 1 0 1 1 0 8 0 processpl 1072 14378 0 14316 5 0 5 5 0 8 0 procpl 696 38109 0 38027 21 11 10 10 0 8 1 srpgc 96 36 0 36 10 10 0 1 0 8 0 sosppl 168 55 0 54 9 8 1 1 0 8 0 sockpl 488 42155 0 42140 939 920 19 48 0 8 15 mcl64k 65536 34 0 0 4 1 3 3 0 8 0 mcl16k 16384 18 0 0 3 0 3 3 0 8 0 mcl12k 12288 18 0 0 2 0 2 2 0 8 0 mcl9k 9216 25 0 0 2 0 2 2 0 8 0 mcl8k 8192 25 0 0 3 0 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 9 0 0 1 0 1 1 0 8 0 mcl2k 2048 517 0 0 60 28 32 60 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 1360 0 0 66 0 66 66 0 8 0 bufpl 288 21221 0 14901 452 0 452 452 0 8 0 anonpl 24 1257295 0 1241865 178 72 106 140 0 186 0 amapchunkpl 152 429589 0 428708 75 33 42 48 0 158 0 amappl16 200 21674 0 21214 82 57 25 49 0 8 0 amappl15 192 12 0 12 1 1 0 1 0 8 0 amappl14 184 213 0 201 2 1 1 2 0 8 0 amappl13 176 12 0 12 1 1 0 1 0 8 0 amappl12 168 15245 0 15221 3 1 2 2 0 8 0 amappl11 160 116 0 108 1 0 1 1 0 8 0 amappl10 152 125 0 114 1 0 1 1 0 8 0 amappl9 144 256 0 256 23 22 1 2 0 8 1 amappl8 136 586 0 464 5 0 5 5 0 8 0 amappl7 128 104 0 84 1 0 1 1 0 8 0 amappl6 120 474 0 450 2 1 1 2 0 8 0 amappl5 112 400 0 393 1 0 1 1 0 8 0 amappl4 104 1022 0 978 3 1 2 3 0 8 0 amappl3 96 84523 0 84450 4 1 3 3 0 8 0 amappl2 88 15039 0 14985 3 1 2 3 0 8 0 amappl1 80 59699 0 59250 23 10 13 23 0 8 0 amappl 88 135605 0 135378 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 72 131 0 1 3 0 3 3 0 8 0 uaddrrnd 24 14339 0 14315 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 14339 0 14315 1 0 1 1 0 8 0 vmmpekpl 168 104979 0 104904 4 0 4 4 0 8 0 vmmpepl 168 832411 0 830258 279 163 116 158 0 357 0 vmsppl 464 14338 0 14315 5 1 4 5 0 8 0 rwobjpl 56 197245 0 189722 119 11 108 113 0 8 0 pdppl 4096 28686 0 28630 670 608 62 82 0 8 6 pvpl 32 3717191 0 3696493 496 318 178 366 0 265 0 pmappl 248 14338 0 14315 3 1 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1706 0 826 26 0 26 26 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82bfcff0) at x86_ipi_db+0x1e 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(ffffffff82ca5cc8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82ca5cc8) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff8000295a8ea0,ffff80000067c100) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge24_untramp() at Xintr_ioapic_edge24_untramp+0x18f __mp_lock(ffffffff82ca5cc8) at __mp_lock+0x12e __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82ca5cc8) at __mp_lock+0x12e sys/kern/kern_lock.c:147 syscall(ffff8000295a9070) at syscall+0x5cd mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000295a9070) at syscall+0x5cd sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7aaa4801f4c0, count: 6 ddb{0}> trace x86_ipi_db(ffffffff82bfcff0) at x86_ipi_db+0x1e 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(ffffffff82ca5cc8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82ca5cc8) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff8000295a8ea0,ffff80000067c100) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge24_untramp() at Xintr_ioapic_edge24_untramp+0x18f __mp_lock(ffffffff82ca5cc8) at __mp_lock+0x12e __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82ca5cc8) at __mp_lock+0x12e sys/kern/kern_lock.c:147 syscall(ffff8000295a9070) at syscall+0x5cd mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000295a9070) at syscall+0x5cd sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7aaa4801f4c0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82860451) at panic+0x17b sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd80698e4bb8,ffff8000211d8400,1,fffffd80698e4c84,ffff80002129b578,0) 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(fffffd807934b2d0,ffff80002129b8d0,ffff80002129b900) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 vfs_lookup(ffff80002129b8a0) at vfs_lookup+0x6f5 sys/kern/vfs_lookup.c:566 namei(ffff80002129b8a0) at namei+0x55a sys/kern/vfs_lookup.c:250 domkdirat(ffff800026152e00,3,200000c0,0) at domkdirat+0x79 sys/kern/vfs_syscalls.c:3059 syscall(ffff80002129ba80) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002129ba80) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4eecbf0fd40, count: 5 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82860451) at panic+0x17b sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd80698e4bb8,ffff8000211d8400,1,fffffd80698e4c84,ffff80002129b578,0) 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(fffffd807934b2d0,ffff80002129b8d0,ffff80002129b900) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 vfs_lookup(ffff80002129b8a0) at vfs_lookup+0x6f5 sys/kern/vfs_lookup.c:566 namei(ffff80002129b8a0) at namei+0x55a sys/kern/vfs_lookup.c:250 domkdirat(ffff800026152e00,3,200000c0,0) at domkdirat+0x79 sys/kern/vfs_syscalls.c:3059 syscall(ffff80002129ba80) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002129ba80) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4eecbf0fd40, count: -10