panic: ufsdirhash_lookup: bad offset in hash array Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 51774 45711 0 0 0 0 syz-executor.2 *389641 77872 0 0 0x4000000 1K syz-executor.0 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(fffffd806e084bb0,ffffffff8295abc7,2,fffffd806e084c7c,ffff80002d69a378,0) 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(fffffd8066dbccf8,ffff80002d69a518,ffff80002d69a4b8) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 unveil_find_cover(fffffd8066dbccf8,ffff80002a1dd800) at unveil_find_cover+0x130 sys/kern/kern_unveil.c:277 unveil_start_relative(ffff80002a1dd800,ffff80002d69a858,fffffd8066dbccf8) at unveil_start_relative+0xf6 sys/kern/kern_unveil.c:606 namei(ffff80002d69a858) at namei+0x453 sys/kern/vfs_lookup.c:237 vn_open(ffff80002d69a858,1,0) at vn_open+0xf8 sys/kern/vfs_vnops.c:140 doopenat(ffff80002a1dd800,4,20000240,0,0,ffff80002d69aa00) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126 syscall(ffff80002d69aab0) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002d69aab0) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5d5082b4280, 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(fffffd806e084bb0,ffffffff8295abc7,2,fffffd806e084c7c,ffff80002d69a378,0) 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(fffffd8066dbccf8,ffff80002d69a518,ffff80002d69a4b8) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 unveil_find_cover(fffffd8066dbccf8,ffff80002a1dd800) at unveil_find_cover+0x130 sys/kern/kern_unveil.c:277 unveil_start_relative(ffff80002a1dd800,ffff80002d69a858,fffffd8066dbccf8) at unveil_start_relative+0xf6 sys/kern/kern_unveil.c:606 namei(ffff80002d69a858) at namei+0x453 sys/kern/vfs_lookup.c:237 vn_open(ffff80002d69a858,1,0) at vn_open+0xf8 sys/kern/vfs_vnops.c:140 doopenat(ffff80002a1dd800,4,20000240,0,0,ffff80002d69aa00) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126 syscall(ffff80002d69aab0) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002d69aab0) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5d5082b4280, count: -12 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002d69a190 rbx 0xffff800029ceccb7 rdx 0xffff800000df49c0 rcx 0xffff80002a1dd800 rax 0xffff800029cebff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x663232dbabce1c87 r11 0x4f5eaaa27fae39f6 r12 0xffff800029cecab8 r13 0 r14 0 r15 0x1 rip 0xffffffff821eca7c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002d69a180 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) tid=389641 pid=77872 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=0xffff80002f0f4d48,0xffff80002a1de558 process=0xffff80002d6891e8 user=0xffff80002d695000, vmspace=0xfffffd806b5d48e8 estcpu=31, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 45711 51774 11944 0 7 0 syz-executor.2 45711 287585 11944 0 2 0x4000000 syz-executor.2 82288 504814 3297 -1 3 0x90 nanoslp syz-executor.4 82288 411199 3297 -1 3 0x4000090 ttyretype syz-executor.4 82288 278357 3297 -1 3 0x4000090 fsleep syz-executor.4 20458 294694 14272 -1 2 0x10 syz-executor.5 20458 90492 14272 -1 3 0x4000090 fsleep syz-executor.5 20458 380944 14272 -1 3 0x4000090 fsleep syz-executor.5 77872 112703 49671 0 2 0 syz-executor.0 *77872 389641 49671 0 7 0x4000000 syz-executor.0 47769 497134 92018 0 2 0 syz-executor.7 47769 43145 92018 0 3 0x4000080 fsleep syz-executor.7 47769 17293 92018 0 3 0x4000080 fsleep syz-executor.7 92018 14106 29930 0 3 0x82 nanoslp syz-executor.7 49671 65455 29930 0 3 0x82 nanoslp syz-executor.0 28317 4951 0 0 3 0x14280 nfsidl nfsio 20315 30092 0 0 3 0x14280 nfsidl nfsio 49588 226871 0 0 3 0x14280 nfsidl nfsio 25960 486242 0 0 3 0x14280 nfsidl nfsio 96928 13786 0 0 3 0x14280 nfsidl nfsio 93422 75930 0 0 3 0x14280 nfsidl nfsio 9586 404023 0 0 3 0x14280 nfsidl nfsio 90276 351876 0 0 3 0x14280 nfsidl nfsio 76776 412970 0 0 3 0x14280 nfsidl nfsio 13965 496175 0 0 3 0x14280 nfsidl nfsio 66439 43322 0 0 3 0x14280 nfsidl nfsio 13304 399251 0 0 3 0x14280 nfsidl nfsio 36578 390784 0 0 3 0x14280 nfsidl nfsio 30680 54829 0 0 3 0x14280 nfsidl nfsio 6405 84763 0 0 3 0x14280 nfsidl nfsio 50218 262249 0 0 3 0x14280 nfsidl nfsio 60508 190618 0 0 3 0x14280 nfsidl nfsio 66831 173510 0 0 3 0x14280 nfsidl nfsio 71000 111336 0 0 3 0x14280 nfsidl nfsio 17962 220550 0 0 3 0x14280 nfsidl nfsio 68383 522614 29930 0 3 0x2 biowait syz-executor.3 1261 513429 29930 0 3 0x82 nanoslp syz-executor.1 15138 155300 0 0 3 0x14200 acct acct 14272 11019 29930 0 3 0x82 nanoslp syz-executor.5 11944 446351 29930 0 3 0x82 nanoslp syz-executor.2 4409 101892 29930 0 3 0x82 nanoslp syz-executor.6 96652 452711 0 0 3 0x14200 bored sosplice 3297 414926 29930 0 3 0x82 nanoslp syz-executor.4 29930 507042 89990 0 3 0x2000082 kqread syz-fuzzer 29930 181484 89990 0 3 0x6000082 nanoslp syz-fuzzer 29930 126033 89990 0 3 0x6000082 wait syz-fuzzer 29930 404077 89990 0 3 0x6000082 wait syz-fuzzer 29930 67191 89990 0 3 0x6000082 thrsleep syz-fuzzer 29930 464923 89990 0 3 0x6000082 thrsleep syz-fuzzer 29930 330942 89990 0 3 0x6000082 thrsleep syz-fuzzer 29930 118070 89990 0 3 0x6000082 wait syz-fuzzer 29930 459353 89990 0 3 0x6000082 wait syz-fuzzer 29930 466162 89990 0 3 0x6000082 wait syz-fuzzer 29930 183855 89990 0 3 0x6000082 thrsleep syz-fuzzer 29930 266318 89990 0 3 0x6000082 wait syz-fuzzer 29930 380234 89990 0 3 0x6000082 thrsleep syz-fuzzer 29930 369873 89990 0 3 0x6000082 wait syz-fuzzer 29930 130568 89990 0 3 0x6000082 wait syz-fuzzer 29930 478588 89990 0 3 0x6000082 thrsleep syz-fuzzer 89990 81373 83664 0 3 0x10008a sigsusp ksh 83664 280534 92023 0 3 0x9a kqread sshd 63165 260005 1 0 3 0x100083 ttyin getty 92023 240314 1 0 3 0x88 kqread sshd 30234 376628 63373 74 3 0x1100092 bpf pflogd 63373 98760 1 0 3 0x80 netio pflogd 4464 386294 2416 73 3 0x1100090 kqread syslogd 2416 187903 1 0 3 0x100082 netio syslogd 24386 218140 1 0 3 0x100080 kqread resolvd 58672 416154 5796 77 3 0x100092 kqread dhcpleased 2895 20257 5796 77 3 0x100092 kqread dhcpleased 5796 10539 1 0 3 0x80 kqread dhcpleased 297 493752 0 0 3 0x14200 bored smr 70100 100516 0 0 2 0x14200 zerothread 56280 204879 0 0 3 0x14200 aiodoned aiodoned 7892 507365 0 0 3 0x14200 syncer update 42675 291693 0 0 3 0x14200 cleaner cleaner 72623 411779 0 0 3 0x14200 reaper reaper 92331 274187 0 0 3 0x14200 pgdaemon pagedaemon 8930 59567 0 0 3 0x14200 bored viomb 20413 235260 0 0 3 0x40014200 acpi0 acpi0 94662 503820 0 0 3 0x40014200 idle1 11565 254446 0 0 3 0x14200 bored softnet3 88967 5847 0 0 3 0x14200 bored softnet2 78612 75532 0 0 3 0x14200 bored softnet1 12375 246693 0 0 3 0x14200 bored softnet0 13721 407767 0 0 3 0x14200 bored systqmp 37756 367191 0 0 3 0x14200 bored systq 76436 63453 0 0 3 0x14200 tmoslp softclockmp 47180 84019 0 0 3 0x40014200 tmoslp softclock 21979 509387 0 0 3 0x40014200 idle0 1 503250 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 77872 (syz-executor.0) thread 0xffff80002a1dd800 (389641) Process 68383 (syz-executor.3) thread 0xffff80002a1de2a0 (522614) ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10245 6697K 6945K 166960K 17957 0 pcb 16 15K 17K 166960K 195 0 rtable 195 14K 16K 166960K 1056 0 pf 32 9K 10K 166960K 159 0 ifaddr 38 14K 16K 166960K 152 0 ifgroup 55 2K 2K 166960K 245 0 sysctl 3 0K 0K 166960K 3 0 counters 64 36K 36K 166960K 168 0 ioctlops 0 0K 4K 166960K 1812 0 iov 0 0K 32K 166960K 405 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1379 86K 86K 166960K 4148 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 84 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 493 0 dirhash 84 15K 17K 166960K 6138 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 16 57K 89K 166960K 6682 0 sigio 0 0K 0K 166960K 238 0 proc 73 103K 115K 166960K 1252 0 subproc 104 6K 6K 166960K 299 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 406 0 in_multi 78 5K 7K 166960K 297 0 ether_multi 1 0K 0K 166960K 4 0 mrt 1 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 1169 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 440 380K 384K 166960K 66361 0 UVM aobj 131 4K 4K 166960K 136 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 249 0 NDP 12 0K 2K 166960K 112 0 temp 74 6772K 6868K 166960K 83890 0 kqueue 12 18K 28K 166960K 423 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 120 271 0 268 4 3 1 3 0 8 0 rtentry 112 334 0 248 5 1 4 4 0 8 0 unpcb 144 4377 0 4355 39 33 6 10 0 8 5 syncache 320 55 0 55 7 6 1 1 0 8 1 tcpqe 32 97 0 97 7 6 1 1 0 8 1 tcpcb 808 1126 0 1111 32 27 5 9 0 8 3 arp 120 66 0 54 1 0 1 1 0 8 0 inpcb 376 3428 0 3409 66 60 6 16 0 8 3 nd6 136 75 0 57 1 0 1 1 0 8 0 pkpcb 40 20 0 20 7 7 0 1 0 8 0 kcovpl 48 23 0 15 1 0 1 1 0 8 0 ppxss 1168 15 0 15 5 4 1 1 0 8 1 pffrag 232 23 0 19 1 0 1 1 0 482 0 pffrnode 88 23 0 19 1 0 1 1 0 8 0 pffrent 40 107 0 103 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 pfstitem 24 177 0 144 1 0 1 1 0 8 0 pfstkey 128 177 0 144 2 0 2 2 0 8 0 pfstate 376 177 0 144 7 3 4 6 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 1294 0 894 40 12 28 31 0 8 3 art_table 32 1295 0 894 4 0 4 4 0 8 0 art_node 16 333 0 254 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 491 0 481 1 0 1 1 0 8 0 shmpl 112 133 0 5 4 0 4 4 0 8 0 dirhash 1024 2066 0 2025 6 0 6 6 0 8 0 dino2pl 256 10910 0 9437 93 0 93 93 0 8 0 ffsino 272 10910 0 9437 99 0 99 99 0 8 0 nchpl 144 20302 0 18643 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 70801 0 70799 3 2 1 2 0 8 0 percpumem 16 98 0 52 1 0 1 1 0 8 0 vcpupl 2048 32 0 0 4 0 4 4 0 8 0 vmpool 696 32 0 0 3 0 3 3 0 8 0 kstatmem 264 128 0 104 2 0 2 2 0 8 0 scxspl 216 57079 0 57078 20 19 1 8 1 8 0 plimitpl 152 732 0 714 1 0 1 1 0 8 0 sigapl 424 7001 0 6931 11 2 9 9 0 8 1 futexpl 64 44162 0 44157 1 0 1 1 0 8 0 knotepl 120 489 0 0 11 0 11 11 0 8 0 kqueuepl 216 905 0 896 14 13 1 5 0 8 0 pipepl 320 853 0 823 16 10 6 8 0 8 3 fdescpl 496 6960 0 6931 11 6 5 5 0 8 1 filepl 152 35897 0 35576 71 56 15 28 0 8 2 lockfpl 104 1806 0 1803 4 3 1 2 0 8 0 lockfspl 48 636 0 633 1 0 1 1 0 8 0 sessionpl 144 39 0 22 1 0 1 1 0 8 0 pgrppl 48 103 0 86 1 0 1 1 0 8 0 ucredpl 104 4657 0 4643 1 0 1 1 0 8 0 zombiepl 144 6933 0 6931 1 0 1 1 0 8 0 processpl 1136 7001 0 6931 6 0 6 6 0 8 0 procpl 680 18066 0 17973 15 5 10 10 0 8 1 srpgc 96 24 0 24 5 4 1 1 0 8 1 sosppl 168 38 0 35 2 1 1 1 0 8 0 sockpl 584 8099 0 8055 88 77 11 24 0 8 7 mcl64k 65536 21 0 0 3 1 2 3 0 8 0 mcl16k 16384 9 0 0 2 0 2 2 0 8 0 mcl12k 12288 13 0 0 2 0 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 25 0 0 3 0 3 3 0 8 0 mcl2k2 2112 13 0 0 1 0 1 1 0 8 0 mcl2k 2048 293 0 0 34 2 32 34 0 8 1 mtagpl 96 356 0 0 8 0 8 8 0 8 0 mbufpl 256 1197 0 0 68 0 68 68 0 8 0 bufpl 280 13009 0 6692 452 0 452 452 0 8 0 anonpl 24 709044 0 695264 110 20 90 101 0 186 0 amapchunkpl 152 207613 0 206700 55 15 40 41 0 158 2 amappl16 200 13712 0 13248 44 18 26 33 0 8 0 amappl15 192 12 0 12 1 1 0 1 0 8 0 amappl14 184 220 0 203 2 1 1 2 0 8 0 amappl13 176 14 0 12 1 0 1 1 0 8 0 amappl12 168 7889 0 7856 4 2 2 3 0 8 0 amappl11 160 70 0 56 1 0 1 1 0 8 0 amappl10 152 48 0 39 3 2 1 1 0 8 0 amappl9 144 203 0 201 1 0 1 1 0 8 0 amappl8 136 407 0 308 4 0 4 4 0 8 0 amappl7 128 271 0 242 3 1 2 3 0 8 0 amappl6 120 517 0 504 1 0 1 1 0 8 0 amappl5 112 224 0 212 1 0 1 1 0 8 0 amappl4 104 672 0 641 2 1 1 2 0 8 0 amappl3 96 41386 0 41289 5 2 3 4 0 8 0 amappl2 88 7626 0 7545 3 1 2 3 0 8 0 amappl1 80 33810 0 33256 23 10 13 23 0 8 0 amappl 88 65563 0 65291 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 72 135 0 5 3 0 3 3 0 8 0 uaddrrnd 24 6992 0 6931 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 6992 0 6931 1 0 1 1 0 8 0 vmmpekpl 168 51666 0 51580 4 0 4 4 0 8 0 vmmpepl 168 421256 0 418780 244 108 136 140 0 357 16 vmsppl 448 6991 0 6931 11 3 8 8 0 8 1 rwobjpl 56 108540 0 100842 110 1 109 109 0 8 0 pdppl 4096 13991 0 13894 270 169 101 103 0 8 4 pvpl 32 45612 0 0 370 2 368 368 0 265 0 pmappl 248 6991 0 6931 4 0 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 783 0 304 14 0 14 14 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(ffff800033f3f210,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __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 softintr_dispatch(0) at softintr_dispatch+0x52 sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x799b97fa15a0, count: 6 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(ffff800033f3f210,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __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 softintr_dispatch(0) at softintr_dispatch+0x52 sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x799b97fa15a0, 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(ffffffff82981cd0) at panic+0x17b sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd806e084bb0,ffffffff8295abc7,2,fffffd806e084c7c,ffff80002d69a378,0) 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(fffffd8066dbccf8,ffff80002d69a518,ffff80002d69a4b8) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 unveil_find_cover(fffffd8066dbccf8,ffff80002a1dd800) at unveil_find_cover+0x130 sys/kern/kern_unveil.c:277 unveil_start_relative(ffff80002a1dd800,ffff80002d69a858,fffffd8066dbccf8) at unveil_start_relative+0xf6 sys/kern/kern_unveil.c:606 namei(ffff80002d69a858) at namei+0x453 sys/kern/vfs_lookup.c:237 vn_open(ffff80002d69a858,1,0) at vn_open+0xf8 sys/kern/vfs_vnops.c:140 doopenat(ffff80002a1dd800,4,20000240,0,0,ffff80002d69aa00) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126 syscall(ffff80002d69aab0) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002d69aab0) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5d5082b4280, 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(fffffd806e084bb0,ffffffff8295abc7,2,fffffd806e084c7c,ffff80002d69a378,0) 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(fffffd8066dbccf8,ffff80002d69a518,ffff80002d69a4b8) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 unveil_find_cover(fffffd8066dbccf8,ffff80002a1dd800) at unveil_find_cover+0x130 sys/kern/kern_unveil.c:277 unveil_start_relative(ffff80002a1dd800,ffff80002d69a858,fffffd8066dbccf8) at unveil_start_relative+0xf6 sys/kern/kern_unveil.c:606 namei(ffff80002d69a858) at namei+0x453 sys/kern/vfs_lookup.c:237 vn_open(ffff80002d69a858,1,0) at vn_open+0xf8 sys/kern/vfs_vnops.c:140 doopenat(ffff80002a1dd800,4,20000240,0,0,ffff80002d69aa00) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126 syscall(ffff80002d69aab0) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002d69aab0) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5d5082b4280, count: -12