panic: bad dir Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *402839 19011 0 0x1002000 0x4000000 1K syz-executor 500615 58816 0 0x2 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff832e3d54) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_lookup() at ufs_lookup+0x1eda VOP_LOOKUP(fffffd800b0396c0,ffff80003c02d828,ffff80003c02d7c0) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 unveil_find_cover(fffffd805a559ea0,ffff80003c02e570) at unveil_find_cover+0x16d sys/kern/kern_unveil.c:277 unveil_add_vnode(ffff80003c02e570,fffffd805a559ea0) at unveil_add_vnode+0xcb sys/kern/kern_unveil.c:391 unveil_add(ffff80003c02e570,ffff80003c02d9b8,ffff80003c02da73) at unveil_add+0x3e0 sys/kern/kern_unveil.c:494 sys_unveil(ffff80003c02e570,ffff80003c02dba0,ffff80003c02daf0) at sys_unveil+0x61c sys/kern/vfs_syscalls.c:1032 syscall(ffff80003c02dba0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c02dba0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbf6c5ed8720, 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: bad dir ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff832e3d54) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_lookup() at ufs_lookup+0x1eda VOP_LOOKUP(fffffd800b0396c0,ffff80003c02d828,ffff80003c02d7c0) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 unveil_find_cover(fffffd805a559ea0,ffff80003c02e570) at unveil_find_cover+0x16d sys/kern/kern_unveil.c:277 unveil_add_vnode(ffff80003c02e570,fffffd805a559ea0) at unveil_add_vnode+0xcb sys/kern/kern_unveil.c:391 unveil_add(ffff80003c02e570,ffff80003c02d9b8,ffff80003c02da73) at unveil_add+0x3e0 sys/kern/kern_unveil.c:494 sys_unveil(ffff80003c02e570,ffff80003c02dba0,ffff80003c02daf0) at sys_unveil+0x61c sys/kern/vfs_syscalls.c:1032 syscall(ffff80003c02dba0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c02dba0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbf6c5ed8720, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c02d5a0 rbx 0xffff8000299eeddf rdx 0xffff80000147e940 rcx 0xffff80003c02e570 rax 0xffff8000299edff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x2215270d9bd4120 r11 0x1097ace3f7b66183 r12 0xffff8000299eebe0 r13 0 r14 0 r15 0x1 rip 0xffffffff81cb5af5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c02d590 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=402839 pid=19011 tcnt=2 stat=onproc flags process=1002000 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c02e570 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c02eaa0,0xffff80003c02f510 process=0xffff80003a024020 user=0xffff80003c028000, vmspace=0xfffffd806b9c53e8 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 19011 360616 21910 0 4 0x1082000 syz-executor *19011 402839 21910 0 7 0x5002000 syz-executor 2799 295247 23498 0 3 0x80 fsleep syz-executor 2799 353496 23498 0 3 0x4000080 kqread syz-executor 63218 504013 63047 0 3 0x80 fsleep syz-executor 63218 275568 63047 0 3 0x4000080 piperd syz-executor 3130 321876 55942 0 3 0x80 fsleep syz-executor 3130 179728 55942 0 3 0x4000080 rest syz-executor 87768 73450 10147 0 3 0x80 fsleep syz-executor 87768 409380 10147 0 3 0x4000080 ttyopn syz-executor 49304 499058 75381 0 3 0x80 fsleep syz-executor 49304 510088 75381 0 3 0x4000080 wsevent_read syz-executor 93271 27419 0 0 3 0x14200 acct acct 56828 341392 0 0 3 0x14280 nfsidl nfsio 95508 501386 0 0 3 0x14280 nfsidl nfsio 40161 170806 0 0 3 0x14280 nfsidl nfsio 3875 148403 0 0 3 0x14280 nfsidl nfsio 39231 502933 0 0 3 0x14280 nfsidl nfsio 4892 257980 0 0 3 0x14280 nfsidl nfsio 44639 123676 0 0 3 0x14280 nfsidl nfsio 46452 147047 0 0 3 0x14280 nfsidl nfsio 81538 431198 0 0 3 0x14280 nfsidl nfsio 68314 411153 0 0 3 0x14280 nfsidl nfsio 636 229977 0 0 3 0x14280 nfsidl nfsio 47439 357121 0 0 3 0x14280 nfsidl nfsio 28835 214054 0 0 3 0x14280 nfsidl nfsio 27601 230185 0 0 3 0x14280 nfsidl nfsio 87256 499419 0 0 3 0x14280 nfsidl nfsio 76181 388590 0 0 3 0x14280 nfsidl nfsio 17460 91468 0 0 3 0x14280 nfsidl nfsio 29579 159592 0 0 3 0x14280 nfsidl nfsio 89468 398393 0 0 3 0x14280 nfsidl nfsio 40645 48865 0 0 3 0x14280 nfsidl nfsio 25845 19974 0 0 3 0x14200 bored sosplice 87249 205340 1 0 3 0x100083 ttyin getty 21910 505272 31166 0 3 0x82 nanoslp syz-executor 55942 150006 31166 0 3 0x82 nanoslp syz-executor 58901 292208 31166 0 3 0x82 wait syz-executor 63047 359790 31166 0 3 0x82 nanoslp syz-executor 23498 3467 31166 0 3 0x82 nanoslp syz-executor 75381 478705 31166 0 3 0x82 nanoslp syz-executor 10147 421682 31166 0 3 0x82 nanoslp syz-executor 58816 500615 31166 0 7 0x2 syz-executor 31166 286976 41964 0 2 0x2 syz-executor 41964 484905 95928 0 3 0x10008a sigsusp ksh 95928 8112 40220 0 3 0x98 kqread sshd-session 40220 519458 97493 0 3 0x92 kqread sshd-session 97493 166892 1 0 3 0x88 kqread sshd 51549 236507 16885 74 3 0x1100092 bpf pflogd 16885 491988 1 0 3 0x80 sbwait pflogd 78285 274955 40551 73 3 0x1100090 kqread syslogd 40551 294111 1 0 3 0x100082 sbwait syslogd 74104 441196 1 0 3 0x100080 kqread resolvd 21928 51006 62439 77 3 0x100092 kqread dhcpleased 37881 394819 62439 77 3 0x100092 kqread dhcpleased 62439 267927 1 0 3 0x80 kqread dhcpleased 12841 332282 0 0 3 0x14200 bored smr 77130 53982 0 0 3 0x14200 pgzero zerothread 90048 267024 0 0 3 0x14200 aiodoned aiodoned 60560 348576 0 0 3 0x14200 syncer update 57982 354514 0 0 3 0x14200 cleaner cleaner 77682 244173 0 0 3 0x14200 reaper reaper 93226 229293 0 0 3 0x14200 pgdaemon pagedaemon 21600 113566 0 0 3 0x14200 bored viomb 15065 248030 0 0 3 0x40014200 acpi0 acpi0 99797 370573 0 0 3 0x40014200 idle1 40964 411857 0 0 3 0x14200 bored softnet7 48316 62438 0 0 3 0x14200 bored softnet6 23403 228186 0 0 3 0x14200 bored softnet5 78692 486788 0 0 3 0x14200 bored softnet4 20103 55558 0 0 3 0x14200 bored softnet3 88043 344703 0 0 3 0x14200 bored softnet2 16273 131041 0 0 3 0x14200 bored softnet1 14615 36852 0 0 3 0x14200 bored softnet0 33247 4348 0 0 3 0x14200 bored systqmp 41268 414627 0 0 3 0x14200 bored systq 73381 292294 0 0 3 0x14200 tmoslp softclockmp 67930 210593 0 0 3 0x40014200 tmoslp softclock 65310 248934 0 0 3 0x40014200 idle0 1 154648 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 19011 (syz-executor) thread 0xffff80003c02e570 (402839) ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10248 11046K 11535K 166960K 13350 0 pcb 17 16K 18K 166960K 297 0 rtable 167 9K 10K 166960K 497 0 pf 42 19K 82K 166960K 158 0 ifaddr 38 6K 7K 166960K 107 0 ifgroup 63 2K 3K 166960K 177 0 sysctl 4 1K 9K 166960K 20 0 counters 72 37K 38K 166960K 192 0 ioctlops 0 0K 4K 166960K 1719 0 iov 0 0K 24K 166960K 116 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1395 88K 88K 166960K 2300 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 16 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 41 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 97K 166960K 1134 0 sigio 0 0K 0K 166960K 81 0 proc 73 131K 180K 166960K 645 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 188 0 in_multi 62 4K 7K 166960K 173 0 ether_multi 1 0K 0K 166960K 23 0 mrt 1 0K 0K 166960K 16 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 211 943K 943K 166960K 211 0 exec 0 0K 1K 166960K 470 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 4 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 231 175K 193K 166960K 12482 0 UVM aobj 95 3K 3K 166960K 99 0 pinsyscall 42 84K 108K 166960K 2246 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 55 0 NDP 14 0K 1K 166960K 71 0 temp 75 8652K 8728K 166960K 50458 0 kqueue 13 20K 28K 166960K 239 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 120 112 0 109 1 0 1 1 0 8 0 rtentry 176 142 0 83 5 0 5 5 0 8 0 unpcb 144 885 0 866 10 8 2 6 0 8 1 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 487 0 482 13 10 3 7 0 8 2 arp 128 13 0 5 1 0 1 1 0 8 0 inpcb 328 1498 0 1488 18 8 10 12 0 8 8 nd6 144 28 0 15 1 0 1 1 0 8 0 pkpcb 40 11 0 11 2 1 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 47 0 47 1 0 1 1 0 8 1 pppxif 1504 5 0 5 1 1 0 1 0 8 0 pfstscr 40 6 0 5 1 0 1 1 0 8 0 pffrag 232 6 0 0 1 0 1 1 0 482 0 pffrnode 88 5 0 0 1 0 1 1 0 8 0 pffrent 40 8 0 2 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 24 107 0 36 1 0 1 1 0 8 0 pfstkey 128 112 0 38 3 0 3 3 0 8 0 pfstate 384 107 0 38 8 0 8 8 0 8 0 pfrule 1344 25 0 20 2 1 1 2 0 8 0 rttmr 136 5 0 5 3 2 1 1 0 8 1 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 730 0 432 28 6 22 28 0 8 0 art_table 40 733 0 432 5 0 5 5 0 8 0 art_node 32 136 0 86 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 1 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 38 0 28 1 0 1 1 0 8 0 shmpl 112 96 0 4 3 0 3 3 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 3522 0 2017 95 0 95 95 0 8 0 ffsino 296 3522 0 2017 117 0 117 117 0 8 0 nchpl 144 5115 0 3419 64 0 64 64 0 8 0 rtmask 32 11 0 11 2 2 0 1 0 8 0 uvmvnodes 80 4143 0 0 85 0 85 85 0 8 0 vnodes 216 4143 0 0 231 0 231 231 0 8 0 namei 1024 17734 0 17732 2 1 1 2 0 8 0 percpumem 16 111 0 60 1 0 1 1 0 8 0 kstatmem 264 114 0 80 3 0 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 2 0 2 2 1 1 1 0 8 1 scxspl 216 32613 0 32613 10 9 1 8 1 8 1 plimitpl 152 307 0 289 1 0 1 1 0 8 0 sigapl 424 1471 0 1396 9 0 9 9 0 8 0 knotepl 120 532 0 0 16 0 16 16 0 8 0 kqueuepl 224 461 0 450 8 5 3 5 0 8 2 pipepl 344 401 0 373 17 11 6 12 0 8 3 fdescpl 528 1424 0 1393 3 0 3 3 0 8 0 filepl 160 9821 0 9594 23 8 15 18 0 8 5 lockfpl 104 711 0 709 1 0 1 1 0 8 0 lockfspl 48 264 0 262 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 51 0 34 1 0 1 1 0 8 0 ucredpl 104 1192 0 1178 1 0 1 1 0 8 0 zombiepl 144 1397 0 1396 1 0 1 1 0 8 0 processpl 1248 1471 0 1396 6 0 6 6 0 8 0 procpl 664 3292 0 3211 10 2 8 9 0 8 0 sosppl 168 17 0 17 2 1 1 1 0 8 1 sockpl 752 2530 0 2498 30 18 12 17 0 8 8 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 114 0 0 15 0 15 15 0 8 0 mcl2k 2048 61 0 0 6 0 6 6 0 8 0 mtagpl 96 48 0 0 2 0 2 2 0 8 0 mbufpl 256 281 0 0 17 0 17 17 0 8 0 bufpl 280 12915 0 6772 440 0 440 440 0 8 0 anonpl 32 11920 0 0 96 0 96 96 0 246 0 amapchunkpl 152 41803 0 41343 38 12 26 34 0 158 5 amappl16 200 6403 0 6365 61 46 15 25 0 8 8 amappl15 192 10 0 10 2 1 1 1 0 8 1 amappl14 184 115 0 102 1 0 1 1 0 8 0 amappl13 176 8 0 8 1 1 0 1 0 8 0 amappl12 168 2102 0 2070 4 2 2 3 0 8 0 amappl11 160 49 0 35 1 0 1 1 0 8 0 amappl10 152 9 0 9 1 1 0 1 0 8 0 amappl9 144 326 0 326 1 1 0 1 0 8 0 amappl8 136 21 0 19 1 0 1 1 0 8 0 amappl7 128 111 0 98 1 0 1 1 0 8 0 amappl6 120 181 0 177 1 0 1 1 0 8 0 amappl5 112 122 0 113 1 0 1 1 0 8 0 amappl4 104 327 0 308 1 0 1 1 0 8 0 amappl3 96 8211 0 8104 4 0 4 4 0 8 0 amappl2 88 666 0 603 2 0 2 2 0 8 0 amappl1 80 12340 0 11748 15 2 13 15 0 8 0 amappl 88 11601 0 11444 5 0 5 5 0 92 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 7 0 7 2 2 0 1 0 8 0 dma128 128 254 0 254 2 2 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 98 0 4 2 0 2 2 0 8 0 uaddrrnd 24 1424 0 1393 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1424 0 1393 1 0 1 1 0 8 0 vmmpekpl 168 13445 0 13407 3 0 3 3 0 8 0 vmmpepl 168 97576 0 95581 117 9 108 110 0 357 9 vmsppl 488 1423 0 1393 5 1 4 5 0 8 0 rwobjpl 80 32020 0 26866 114 1 113 113 0 8 0 pdppl 4096 2856 0 2786 108 36 72 88 0 8 2 pvpl 32 19190 0 0 156 1 155 156 0 265 0 pmappl 256 1423 0 1393 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 303 0 60 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8382eff0) 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(ffffffff838d7f60) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838d7f60) at __mp_lock+0x199 sys/kern/kern_lock.c:165 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsoftclock() at Xsoftclock+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 __mp_lock(ffffffff838d7f60) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838d7f60) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 syscall(ffff80002a323650) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff80002a323650) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7648ef1a7d50, count: 4 ddb{0}> trace x86_ipi_db(ffffffff8382eff0) 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(ffffffff838d7f60) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838d7f60) at __mp_lock+0x199 sys/kern/kern_lock.c:165 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsoftclock() at Xsoftclock+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 __mp_lock(ffffffff838d7f60) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838d7f60) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 syscall(ffff80002a323650) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff80002a323650) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7648ef1a7d50, count: -11 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(ffffffff832e3d54) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_lookup() at ufs_lookup+0x1eda VOP_LOOKUP(fffffd800b0396c0,ffff80003c02d828,ffff80003c02d7c0) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 unveil_find_cover(fffffd805a559ea0,ffff80003c02e570) at unveil_find_cover+0x16d sys/kern/kern_unveil.c:277 unveil_add_vnode(ffff80003c02e570,fffffd805a559ea0) at unveil_add_vnode+0xcb sys/kern/kern_unveil.c:391 unveil_add(ffff80003c02e570,ffff80003c02d9b8,ffff80003c02da73) at unveil_add+0x3e0 sys/kern/kern_unveil.c:494 sys_unveil(ffff80003c02e570,ffff80003c02dba0,ffff80003c02daf0) at sys_unveil+0x61c sys/kern/vfs_syscalls.c:1032 syscall(ffff80003c02dba0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c02dba0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbf6c5ed8720, count: 5 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff832e3d54) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_lookup() at ufs_lookup+0x1eda VOP_LOOKUP(fffffd800b0396c0,ffff80003c02d828,ffff80003c02d7c0) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 unveil_find_cover(fffffd805a559ea0,ffff80003c02e570) at unveil_find_cover+0x16d sys/kern/kern_unveil.c:277 unveil_add_vnode(ffff80003c02e570,fffffd805a559ea0) at unveil_add_vnode+0xcb sys/kern/kern_unveil.c:391 unveil_add(ffff80003c02e570,ffff80003c02d9b8,ffff80003c02da73) at unveil_add+0x3e0 sys/kern/kern_unveil.c:494 sys_unveil(ffff80003c02e570,ffff80003c02dba0,ffff80003c02daf0) at sys_unveil+0x61c sys/kern/vfs_syscalls.c:1032 syscall(ffff80003c02dba0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c02dba0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbf6c5ed8720, count: -10