login: panic: ufsdirhash_lookup: bad offset in hash array Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 371739 3507 0 0 0 0 syz-executor.6 *236139 67312 0 0 0x4000000 1K syz-executor.3 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82981cd0) at panic+0x17b sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd806447a990,ffffffff8295abc7,2,fffffd806447aa5c,ffff80002d299db8,0) at ufsdirhash_lookup+0x8b8 sys/ufs/ufs/ufs_dirhash.c:342 ufs_lookup() at ufs_lookup+0xbb6 sys/ufs/ufs/ufs_lookup.c:214 VOP_LOOKUP(fffffd806b762e78,ffff80002d299f58,ffff80002d299ef8) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 unveil_find_cover(fffffd806b762e78,ffff80002a22d7f8) at unveil_find_cover+0x130 sys/kern/kern_unveil.c:277 unveil_start_relative(ffff80002a22d7f8,ffff80002d29a298,fffffd806b762e78) at unveil_start_relative+0xf6 sys/kern/kern_unveil.c:606 namei(ffff80002d29a298) at namei+0x453 sys/kern/vfs_lookup.c:237 vn_open(ffff80002d29a298,1,0) at vn_open+0xf8 sys/kern/vfs_vnops.c:140 doopenat(ffff80002a22d7f8,4,20000240,0,0,ffff80002d29a440) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126 syscall(ffff80002d29a4f0) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002d29a4f0) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa6384d8b50, count: 3 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(ffffffff82981cd0) at panic+0x17b sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd806447a990,ffffffff8295abc7,2,fffffd806447aa5c,ffff80002d299db8,0) at ufsdirhash_lookup+0x8b8 sys/ufs/ufs/ufs_dirhash.c:342 ufs_lookup() at ufs_lookup+0xbb6 sys/ufs/ufs/ufs_lookup.c:214 VOP_LOOKUP(fffffd806b762e78,ffff80002d299f58,ffff80002d299ef8) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 unveil_find_cover(fffffd806b762e78,ffff80002a22d7f8) at unveil_find_cover+0x130 sys/kern/kern_unveil.c:277 unveil_start_relative(ffff80002a22d7f8,ffff80002d29a298,fffffd806b762e78) at unveil_start_relative+0xf6 sys/kern/kern_unveil.c:606 namei(ffff80002d29a298) at namei+0x453 sys/kern/vfs_lookup.c:237 vn_open(ffff80002d29a298,1,0) at vn_open+0xf8 sys/kern/vfs_vnops.c:140 doopenat(ffff80002a22d7f8,4,20000240,0,0,ffff80002d29a440) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126 syscall(ffff80002d29a4f0) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002d29a4f0) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa6384d8b50, count: -12 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002d299bd0 rbx 0xffff800029ceccb7 rdx 0xffff800000e36380 rcx 0xffff80002a22d7f8 rax 0xffff800029cebff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xa2709f366cb919b5 r11 0xdf75c4954dc0f1c5 r12 0xffff800029cecab8 r13 0 r14 0 r15 0x1 rip 0xffffffff821eca7c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002d299bc0 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.3) tid=236139 pid=67312 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=81, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a27d2a8,0xffff80002a27d560 process=0xffff8000ffff8008 user=0xffff80002d295000, vmspace=0xfffffd806b4ba1d8 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 61480 153687 20314 0 2 0 syz-executor.5 61480 433121 20314 0 3 0x4000080 fsleep syz-executor.5 3507 371739 21063 0 7 0 syz-executor.6 3507 20986 21063 0 3 0x4000080 fsleep syz-executor.6 3507 483714 21063 0 2 0x4000000 syz-executor.6 3507 189957 21063 0 3 0x4000080 fsleep syz-executor.6 55881 62665 10481 0 2 0 syz-executor.7 55881 65833 10481 0 3 0x4000080 fsleep syz-executor.7 63690 421950 14269 0 2 0 syz-executor.4 63690 320089 14269 0 2 0x4000000 syz-executor.4 67312 247787 74326 0 2 0 syz-executor.3 *67312 236139 74326 0 7 0x4000000 syz-executor.3 65058 417200 74912 0 3 0x80 nanoslp syz-executor.2 65058 5722 74912 0 3 0x4000080 fsleep syz-executor.2 65058 191821 74912 0 3 0x4000080 fsleep syz-executor.2 65058 104592 74912 0 3 0x4000080 kqread syz-executor.2 42748 86759 1 0 3 0x100083 ttyin getty 8993 378236 78847 0 3 0x2 biowait syz-executor.0 14571 37129 0 0 3 0x14200 acct acct 20314 301041 78847 0 3 0x82 nanoslp syz-executor.5 14269 207507 78847 0 3 0x82 nanoslp syz-executor.4 74912 414680 78847 0 3 0x82 nanoslp syz-executor.2 74326 298759 78847 0 3 0x82 nanoslp syz-executor.3 21063 192755 78847 0 3 0x82 nanoslp syz-executor.6 78696 454842 78847 0 3 0x2 biowait syz-executor.1 10481 250075 78847 0 2 0x2 syz-executor.7 81877 181651 0 0 3 0x14280 nfsidl nfsio 92644 387122 0 0 3 0x14280 nfsidl nfsio 26178 179951 0 0 3 0x14280 nfsidl nfsio 65421 423023 0 0 3 0x14280 nfsidl nfsio 87699 212866 0 0 3 0x14280 nfsidl nfsio 37590 467936 0 0 3 0x14280 nfsidl nfsio 5865 147935 0 0 3 0x14280 nfsidl nfsio 95754 449902 0 0 3 0x14280 nfsidl nfsio 99705 512145 0 0 3 0x14280 nfsidl nfsio 51309 101236 0 0 3 0x14280 nfsidl nfsio 56765 64499 0 0 3 0x14280 nfsidl nfsio 13713 293450 0 0 3 0x14280 nfsidl nfsio 60422 62519 0 0 3 0x14280 nfsidl nfsio 39631 408778 0 0 3 0x14280 nfsidl nfsio 80058 310285 0 0 3 0x14280 nfsidl nfsio 82803 173127 0 0 3 0x14280 nfsidl nfsio 62324 234257 0 0 3 0x14280 nfsidl nfsio 6977 137126 0 0 3 0x14280 nfsidl nfsio 92325 16151 0 0 3 0x14280 nfsidl nfsio 44588 501064 0 0 3 0x14280 nfsidl nfsio 24143 172987 0 0 3 0x14200 bored sosplice 78847 462297 71289 0 3 0x2000082 wait syz-fuzzer 78847 129674 71289 0 3 0x6000082 nanoslp syz-fuzzer 78847 466977 71289 0 3 0x6000082 thrsleep syz-fuzzer 78847 444127 71289 0 3 0x6000082 thrsleep syz-fuzzer 78847 140628 71289 0 3 0x6000082 thrsleep syz-fuzzer 78847 344958 71289 0 3 0x6000082 wait syz-fuzzer 78847 90131 71289 0 3 0x6000082 thrsleep syz-fuzzer 78847 369762 71289 0 3 0x6000082 wait syz-fuzzer 78847 492267 71289 0 3 0x6000082 wait syz-fuzzer 78847 269308 71289 0 3 0x6000082 thrsleep syz-fuzzer 78847 405287 71289 0 3 0x6000082 thrsleep syz-fuzzer 78847 274505 71289 0 3 0x6000082 wait syz-fuzzer 78847 139177 71289 0 3 0x6000082 wait syz-fuzzer 78847 99641 71289 0 3 0x6000082 wait syz-fuzzer 78847 243812 71289 0 3 0x6000082 wait syz-fuzzer 78847 243571 71289 0 3 0x6000082 kqread syz-fuzzer 71289 274967 48316 0 3 0x10008a sigsusp ksh 48316 348 13251 0 3 0x9a kqread sshd 13251 130270 1 0 3 0x88 kqread sshd 93615 137845 63245 74 3 0x1100092 bpf pflogd 63245 277305 1 0 3 0x80 netio pflogd 58477 42639 66627 73 3 0x1100090 kqread syslogd 66627 469616 1 0 3 0x100082 netio syslogd 96126 94796 1 0 3 0x100080 kqread resolvd 21538 434923 90827 77 3 0x100092 kqread dhcpleased 31552 469673 90827 77 3 0x100092 kqread dhcpleased 90827 373549 1 0 3 0x80 kqread dhcpleased 3843 69820 0 0 3 0x14200 bored smr 12813 368334 0 0 2 0x14200 zerothread 90523 404370 0 0 3 0x14200 aiodoned aiodoned 10652 474864 0 0 3 0x14200 syncer update 77682 499792 0 0 3 0x14200 cleaner cleaner 10045 160662 0 0 3 0x14200 reaper reaper 22581 14212 0 0 3 0x14200 pgdaemon pagedaemon 8400 143137 0 0 3 0x14200 bored viomb 81232 38900 0 0 3 0x40014200 acpi0 acpi0 37542 310341 0 0 3 0x40014200 idle1 4957 218167 0 0 3 0x14200 bored softnet3 27731 41810 0 0 3 0x14200 bored softnet2 82906 227762 0 0 3 0x14200 bored softnet1 97150 130341 0 0 3 0x14200 bored softnet0 24671 21879 0 0 3 0x14200 bored systqmp 3136 319264 0 0 3 0x14200 bored systq 19667 168507 0 0 3 0x14200 tmoslp softclockmp 57120 406097 0 0 3 0x40014200 tmoslp softclock 73828 264059 0 0 3 0x40014200 idle0 1 50759 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 67312 (syz-executor.3) thread 0xffff80002a22d7f8 (236139) Process 8993 (syz-executor.0) thread 0xffff80002a27ed38 (378236) Process 78696 (syz-executor.1) thread 0xffff80002a27daa0 (454842) ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10245 6518K 15395K 166960K 56151 0 pcb 15 16K 18K 166960K 634 0 rtable 223 14K 16K 166960K 1947 0 pf 39 10K 11K 166960K 216 0 ifaddr 45 15K 16K 166960K 210 0 ifgroup 66 2K 3K 166960K 388 0 sysctl 4 1K 1K 166960K 4 0 counters 70 37K 37K 166960K 234 0 ioctlops 0 0K 4K 166960K 1898 0 iov 0 0K 16K 166960K 928 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1502 94K 94K 166960K 11870 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 95 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 899 0 dirhash 96 17K 18K 166960K 9906 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 16 57K 85K 166960K 14049 0 sigio 0 0K 0K 166960K 208 0 proc 71 103K 128K 166960K 1714 0 subproc 104 6K 6K 166960K 452 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 968 0 in_multi 88 6K 7K 166960K 513 0 ether_multi 1 0K 0K 166960K 11 0 mrt 6 0K 0K 166960K 17 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 271 1208K 1208K 166960K 271 0 exec 0 0K 1K 166960K 2175 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 502 507K 508K 166960K 137041 0 UVM aobj 131 4K 4K 166960K 140 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 461 0 NDP 15 0K 1K 166960K 161 0 temp 75 6772K 6852K 166960K 110003 0 kqueue 14 22K 28K 166960K 887 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 120 571 0 568 9 8 1 3 0 8 0 rtentry 112 738 0 637 4 0 4 4 0 8 0 unpcb 144 8641 0 8626 63 61 2 8 0 8 1 syncache 320 105 0 105 15 14 1 1 0 8 1 tcpqe 32 199 0 199 12 12 0 1 0 8 0 tcpcb 808 3236 0 3199 99 91 8 15 0 8 4 arp 120 196 0 180 1 0 1 1 0 8 0 inpcb 376 8120 0 8079 131 120 11 15 0 8 6 nd6 136 105 0 82 1 0 1 1 0 8 0 pkpcb 40 11 0 11 4 4 0 1 0 8 0 kcovpl 48 32 0 24 1 0 1 1 0 8 0 ppxss 1168 6 0 5 2 1 1 1 0 8 0 pffrag 232 40 0 36 5 4 1 1 0 482 0 pffrnode 88 40 0 36 5 4 1 1 0 8 0 pffrent 40 133 0 129 6 5 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 24 279 0 248 1 0 1 1 0 8 0 pfstkey 128 279 0 248 2 0 2 2 0 8 0 pfstate 376 279 0 248 9 5 4 4 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1853 0 1432 43 13 30 33 0 8 0 art_table 32 1854 0 1432 5 0 5 5 0 8 0 art_node 16 679 0 587 1 0 1 1 0 8 0 semupl 112 4 0 4 2 1 1 1 0 8 1 semapl 112 896 0 886 1 0 1 1 0 8 0 shmpl 112 137 0 9 4 0 4 4 0 8 0 dirhash 1024 3326 0 3281 19 13 6 6 0 8 0 dino2pl 256 18894 0 17429 92 0 92 92 0 8 0 ffsino 272 18894 0 17429 98 0 98 98 0 8 0 nchpl 144 36984 0 35330 64 0 64 64 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 117926 0 117925 4 3 1 2 0 8 0 percpumem 16 131 0 82 1 0 1 1 0 8 0 vcpupl 2048 87 0 0 11 0 11 11 0 8 0 vmpool 696 101 0 14 9 0 9 9 0 8 1 kstatmem 264 194 0 164 4 1 3 3 0 8 0 scxspl 216 114027 0 114024 31 29 2 8 1 8 1 plimitpl 152 933 0 917 1 0 1 1 0 8 0 sigapl 424 14347 0 14278 12 4 8 9 0 8 0 futexpl 64 103360 0 103354 2 1 1 1 0 8 0 knotepl 120 675 0 0 13 2 11 11 0 8 0 kqueuepl 216 2234 0 2223 47 46 1 5 0 8 0 pipepl 320 2478 0 2385 85 77 8 14 0 8 0 fdescpl 496 14302 0 14273 5 0 5 5 0 8 0 filepl 152 73261 0 72888 138 119 19 23 0 8 4 lockfpl 104 8140 0 8138 9 8 1 3 0 8 0 lockfspl 48 3367 0 3365 1 0 1 1 0 8 0 sessionpl 144 51 0 34 1 0 1 1 0 8 0 pgrppl 48 106 0 89 1 0 1 1 0 8 0 ucredpl 104 9168 0 9154 1 0 1 1 0 8 0 zombiepl 144 14278 0 14278 2 1 1 1 0 8 1 processpl 1136 14347 0 14278 6 0 6 6 0 8 0 procpl 680 37912 0 37818 13 4 9 10 0 8 0 srpgc 96 36 0 36 12 11 1 1 0 8 1 sosppl 168 118 0 112 12 11 1 1 0 8 0 sockpl 584 17358 0 17299 155 146 9 17 0 8 4 mcl64k 65536 28 0 0 4 1 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 32 0 0 2 0 2 2 0 8 0 mcl9k 9216 15 0 0 2 0 2 2 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 33 0 0 3 0 3 3 0 8 0 mcl2k2 2112 9 0 0 1 0 1 1 0 8 0 mcl2k 2048 512 0 0 39 10 29 39 0 8 0 mtagpl 96 941 0 0 23 0 23 23 0 8 0 mbufpl 256 1506 0 0 70 0 70 70 0 8 0 bufpl 280 24866 0 18548 452 0 452 452 0 8 0 anonpl 24 1406544 0 1391551 233 125 108 167 0 186 0 amapchunkpl 152 448257 0 447327 136 96 40 68 0 158 1 amappl16 200 27999 0 27547 115 89 26 39 0 8 0 amappl15 192 26 0 26 1 1 0 1 0 8 0 amappl14 184 251 0 234 2 1 1 2 0 8 0 amappl13 176 30 0 28 1 0 1 1 0 8 0 amappl12 168 15371 0 15332 4 1 3 3 0 8 0 amappl11 160 65 0 51 1 0 1 1 0 8 0 amappl10 152 76 0 62 1 0 1 1 0 8 0 amappl9 144 402 0 402 23 22 1 1 0 8 1 amappl8 136 652 0 528 5 0 5 5 0 8 0 amappl7 128 332 0 304 2 0 2 2 0 8 0 amappl6 120 720 0 701 1 0 1 1 0 8 0 amappl5 112 318 0 307 1 0 1 1 0 8 0 amappl4 104 797 0 759 4 2 2 2 0 8 0 amappl3 96 84509 0 84415 3 0 3 3 0 8 0 amappl2 88 15206 0 15125 3 1 2 3 0 8 0 amappl1 80 59373 0 58813 23 10 13 23 0 8 0 amappl 88 136020 0 135735 11 3 8 8 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 72 139 0 9 3 0 3 3 0 8 0 uaddrrnd 24 14403 0 14287 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 14403 0 14287 1 0 1 1 0 8 0 vmmpekpl 168 100901 0 100819 5 0 5 5 0 8 0 vmmpepl 168 841655 0 839089 354 227 127 144 0 357 1 vmsppl 448 14402 0 14287 15 1 14 14 0 8 1 rwobjpl 56 204594 0 196857 131 20 111 113 0 8 0 pdppl 4096 28813 0 28661 599 443 156 158 0 8 4 pvpl 32 45596 0 0 368 0 368 368 0 265 0 pmappl 248 14402 0 14287 9 1 8 8 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1276 0 728 16 0 16 16 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82d70ff0) 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+0x27 __mp_lock(ffffffff82eb20d8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82eb20d8) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff80002f0ac340,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x6fa4cef07570, count: 9 ddb{0}> trace x86_ipi_db(ffffffff82d70ff0) 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+0x27 __mp_lock(ffffffff82eb20d8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82eb20d8) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff80002f0ac340,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x6fa4cef07570, count: -6 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(ffffffff82981cd0) at panic+0x17b sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd806447a990,ffffffff8295abc7,2,fffffd806447aa5c,ffff80002d299db8,0) at ufsdirhash_lookup+0x8b8 sys/ufs/ufs/ufs_dirhash.c:342 ufs_lookup() at ufs_lookup+0xbb6 sys/ufs/ufs/ufs_lookup.c:214 VOP_LOOKUP(fffffd806b762e78,ffff80002d299f58,ffff80002d299ef8) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 unveil_find_cover(fffffd806b762e78,ffff80002a22d7f8) at unveil_find_cover+0x130 sys/kern/kern_unveil.c:277 unveil_start_relative(ffff80002a22d7f8,ffff80002d29a298,fffffd806b762e78) at unveil_start_relative+0xf6 sys/kern/kern_unveil.c:606 namei(ffff80002d29a298) at namei+0x453 sys/kern/vfs_lookup.c:237 vn_open(ffff80002d29a298,1,0) at vn_open+0xf8 sys/kern/vfs_vnops.c:140 doopenat(ffff80002a22d7f8,4,20000240,0,0,ffff80002d29a440) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126 syscall(ffff80002d29a4f0) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002d29a4f0) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa6384d8b50, count: 3 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82981cd0) at panic+0x17b sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd806447a990,ffffffff8295abc7,2,fffffd806447aa5c,ffff80002d299db8,0) at ufsdirhash_lookup+0x8b8 sys/ufs/ufs/ufs_dirhash.c:342 ufs_lookup() at ufs_lookup+0xbb6 sys/ufs/ufs/ufs_lookup.c:214 VOP_LOOKUP(fffffd806b762e78,ffff80002d299f58,ffff80002d299ef8) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 unveil_find_cover(fffffd806b762e78,ffff80002a22d7f8) at unveil_find_cover+0x130 sys/kern/kern_unveil.c:277 unveil_start_relative(ffff80002a22d7f8,ffff80002d29a298,fffffd806b762e78) at unveil_start_relative+0xf6 sys/kern/kern_unveil.c:606 namei(ffff80002d29a298) at namei+0x453 sys/kern/vfs_lookup.c:237 vn_open(ffff80002d29a298,1,0) at vn_open+0xf8 sys/kern/vfs_vnops.c:140 doopenat(ffff80002a22d7f8,4,20000240,0,0,ffff80002d29a440) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126 syscall(ffff80002d29a4f0) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002d29a4f0) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa6384d8b50, count: -12