panic: bad dir Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *297255 93290 0 0x2000 0x4000000 1K syz-executor 444048 89824 0 0 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833931cf) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_dirbadentry(ffff80003c42add8,ffff80003c42add8,dee79eccc29bb266) at ufs_dirbadentry VOP_LOOKUP(fffffd800b039948,ffff80003c42afa8,ffff80003c42afd8) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c42af78) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80003c42af78) at namei+0x7aa sys/kern/vfs_lookup.c:250 sys_unveil(ffff80003c4507d8,ffff80003c42b160,ffff80003c42b0b0) at sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 syscall(ffff80003c42b160) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42b160) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1340ff35410, count: 6 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(ffffffff833931cf) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_dirbadentry(ffff80003c42add8,ffff80003c42add8,dee79eccc29bb266) at ufs_dirbadentry VOP_LOOKUP(fffffd800b039948,ffff80003c42afa8,ffff80003c42afd8) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c42af78) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80003c42af78) at namei+0x7aa sys/kern/vfs_lookup.c:250 sys_unveil(ffff80003c4507d8,ffff80003c42b160,ffff80003c42b0b0) at sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 syscall(ffff80003c42b160) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42b160) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1340ff35410, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c42ac00 rbx 0xffff8000299dedd7 rdx 0 rcx 0xffff80003c4507d8 rax 0xffff8000299ddff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xf49fe18159ade6c1 r11 0xc969c4ba6d737ee4 r12 0xffff8000299debd8 r13 0 r14 0 r15 0x1 rip 0xffffffff81c9d465 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c42abf0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=297255 pid=93290 tcnt=4 stat=onproc flags process=2000 proc=4000000 runpri=17, usrpri=81, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c4507d8 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c451c58,0xffff80003c450038 process=0xffff80003bc1cea8 user=0xffff80003c426000, vmspace=0xfffffd805d0593e8 estcpu=31, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 115 45302 41133 0 2 0 syz-executor 69617 353627 89965 0 2 0 syz-executor 69617 353478 89965 0 2 0x4000000 syz-executor 65824 154092 93198 0 2 0 syz-executor 65824 98907 93198 0 3 0x4000080 fsleep syz-executor 93290 227632 26533 0 4 0x82000 syz-executor *93290 297255 26533 0 7 0x4002000 syz-executor 93290 470605 26533 0 4 0x4082000 syz-executor 93290 158870 26533 0 4 0x4082000 syz-executor 94960 5156 11936 0 2 0 syz-executor 94960 335619 11936 0 2 0x4000000 syz-executor 89824 444048 14147 0 7 0 syz-executor 89824 421791 14147 0 3 0x4000080 fsleep syz-executor 18749 316005 0 0 3 0x14200 acct acct 15861 360976 1 0 3 0x100083 ttyin getty 93198 53934 61342 0 3 0x82 nanoslp syz-executor 48938 220367 0 0 3 0x14200 bored sosplice 89965 292606 61342 0 3 0x82 nanoslp syz-executor 77995 316177 61342 0 2 0x2 syz-executor 11936 116972 61342 0 3 0x82 nanoslp syz-executor 26533 381755 61342 0 3 0x82 nanoslp syz-executor 7164 398855 61342 0 2 0x2 syz-executor 41133 69057 61342 0 3 0x82 nanoslp syz-executor 14147 67627 61342 0 3 0x82 nanoslp syz-executor 61342 255064 79411 0 3 0x82 kqread syz-executor 79411 510797 77141 0 3 0x10008a sigsusp ksh 77141 342410 49124 0 3 0x98 kqread sshd-session 49124 202188 80945 0 3 0x92 kqread sshd-session 80945 272463 1 0 3 0x88 kqread sshd 9267 209292 95013 74 3 0x1100092 bpf pflogd 95013 259730 1 0 3 0x80 sbwait pflogd 45583 223471 81514 73 3 0x1100090 kqread syslogd 81514 273793 1 0 3 0x100082 sbwait syslogd 66837 308402 1 0 3 0x100080 kqread resolvd 58280 433417 49940 77 3 0x100092 kqread dhcpleased 8190 27291 49940 77 3 0x100092 kqread dhcpleased 49940 306546 1 0 3 0x80 kqread dhcpleased 73594 403223 0 0 3 0x14200 bored smr 80070 103800 0 0 2 0x14200 zerothread 9448 478102 0 0 3 0x14200 aiodoned aiodoned 27381 394770 0 0 3 0x14200 syncer update 6148 364422 0 0 3 0x14200 cleaner cleaner 92269 403108 0 0 3 0x14200 reaper reaper 19365 244209 0 0 3 0x14200 pgdaemon pagedaemon 53806 90541 0 0 3 0x14200 bored viomb 97266 389284 0 0 3 0x40014200 acpi0 acpi0 91821 450101 0 0 3 0x40014200 idle1 29784 492260 0 0 3 0x14200 bored softnet3 7728 249309 0 0 3 0x14200 bored softnet2 55866 245154 0 0 3 0x14200 bored softnet1 67487 152937 0 0 3 0x14200 bored softnet0 93314 27674 0 0 3 0x14200 bored systqmp 83817 220065 0 0 3 0x14200 bored systq 95311 346856 0 0 3 0x14200 tmoslp softclockmp 36865 168180 0 0 3 0x40014200 tmoslp softclock 68066 407521 0 0 3 0x40014200 idle0 1 64403 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 93290 (syz-executor) thread 0xffff80003c4507d8 (297255) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83924888) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 sleep_finish+0x2da sys/kern/kern_synch.c:366 #3 biowait+0xc1 sys/kern/vfs_bio.c:1242 #4 ffs_bufatoff+0x16f sys/ufs/ffs/ffs_subr.c:71 #5 ufs_lookup+0x548 sys/ufs/ufs/ufs_lookup.c:256 #6 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #7 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #8 namei+0x7aa sys/kern/vfs_lookup.c:250 #9 sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807e450f40) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 #9 Xsyscall+0x128 Process 89824 (syz-executor) thread 0xffff80003c450a68 (444048) exclusive rwlock uobjlk r = 0 (0xfffffd806c207588) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 uvm_fault+0x1e9 sys/uvm/uvm_fault.c:699 #3 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #4 usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd805d0598a8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x36e sys/kern/kern_rwlock.c:397 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1924 #3 uvm_fault_check+0x4a sys/uvm/uvm_fault.c:741 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:677 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 #7 recall_trap+0x8 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10203 11094K 11629K 166960K 13503 0 pcb 17 14K 21K 166960K 354 0 rtable 219 10K 11K 166960K 677 0 pf 36 18K 82K 166960K 354 0 ifaddr 38 6K 9K 166960K 112 0 ifgroup 51 2K 2K 166960K 181 0 sysctl 4 1K 9K 166960K 82 0 counters 66 36K 37K 166960K 212 0 ioctlops 0 0K 4K 166960K 1743 0 iov 0 0K 32K 166960K 119 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1489 94K 94K 166960K 2939 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 23 0 VM map 2 1K 1K 166960K 2 0 sem 20 10K 10K 166960K 53 0 dirhash 12 2K 2K 166960K 45 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 232K 166960K 1695 0 sigio 0 0K 0K 166960K 30 0 proc 72 91K 152K 166960K 701 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 138 0 in_multi 74 5K 7K 166960K 146 0 ether_multi 1 0K 0K 166960K 11 0 mrt 1 0K 0K 166960K 8 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 789 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 220 151K 166K 166960K 16925 0 UVM aobj 41 4K 4K 166960K 44 0 pinsyscall 41 82K 104K 166960K 2877 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 74 0 NDP 11 0K 2K 166960K 72 0 temp 77 8688K 8944K 166960K 69851 0 kqueue 13 20K 30K 166960K 288 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 120 197 0 194 3 2 1 2 0 8 0 rtentry 176 161 0 74 7 1 6 6 0 8 0 unpcb 144 1078 0 1057 13 12 1 8 0 8 0 syncache 336 19 0 19 4 3 1 1 0 8 1 tcpqe 32 7 0 7 4 3 1 1 0 8 1 tcpcb 736 571 0 560 15 13 2 7 0 8 1 arp 128 23 0 9 1 0 1 1 0 8 0 inpcb 328 1702 0 1686 24 21 3 13 0 8 1 nd6 144 36 0 10 2 0 2 2 0 8 0 pkpcb 40 12 0 12 4 3 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1192 55 0 55 2 1 1 1 0 8 1 pppxif 1504 13 0 13 3 2 1 1 0 8 1 pffrag 232 12 0 4 1 0 1 1 0 482 0 pffrnode 88 9 0 1 1 0 1 1 0 8 0 pffrent 40 20 0 12 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 pfrktable 1344 36 0 35 1 0 1 1 0 8 0 pfanchor 1288 4 0 1 1 0 1 1 0 8 0 pftag 88 8 0 6 1 0 1 1 0 8 0 pfstitem 24 79 0 34 1 0 1 1 0 8 0 pfstkey 128 79 0 34 2 0 2 2 0 8 0 pfstate 384 79 0 34 7 0 7 7 0 8 0 pfrule 1344 81 0 69 3 1 2 2 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 659 0 293 34 6 28 31 0 8 0 art_table 32 661 0 293 4 0 4 4 0 8 0 art_node 16 152 0 75 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 9 2 1 1 1 0 8 0 semupl 112 2 0 2 2 1 1 1 0 8 1 semapl 112 48 0 30 1 0 1 1 0 8 0 shmpl 112 41 0 3 2 0 2 2 0 8 0 dirhash 1024 39 0 22 3 0 3 3 0 8 0 dino2pl 256 4550 0 3042 95 0 95 95 0 8 0 ffsino 288 4550 0 3042 109 0 109 109 0 8 0 nchpl 144 6827 0 5131 65 1 64 64 0 8 0 rtmask 32 9 0 9 3 2 1 1 0 8 1 uvmvnodes 80 5592 0 0 115 0 115 115 0 8 0 vnodes 216 5592 0 0 311 0 311 311 0 8 0 namei 1024 23066 0 23064 4 3 1 2 0 8 0 percpumem 16 121 0 73 1 0 1 1 0 8 0 kstatmem 264 112 0 86 5 2 3 3 0 8 1 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 6 0 6 4 3 1 1 0 8 1 scxspl 216 37824 0 37824 12 11 1 8 1 8 1 plimitpl 152 318 0 301 1 0 1 1 0 8 0 sigapl 424 2015 0 1965 10 3 7 9 0 8 0 knotepl 120 352 0 0 11 0 11 11 0 8 0 kqueuepl 224 658 0 649 7 2 5 5 0 8 4 pipepl 336 247 0 220 3 0 3 3 0 8 0 fdescpl 520 1971 0 1941 3 0 3 3 0 8 0 filepl 160 12320 0 12103 35 22 13 28 0 8 2 lockfpl 104 770 0 768 2 1 1 2 0 8 0 lockfspl 48 254 0 252 1 0 1 1 0 8 0 sessionpl 144 38 0 29 1 0 1 1 0 8 0 pgrppl 48 174 0 157 1 0 1 1 0 8 0 ucredpl 104 1714 0 1700 1 0 1 1 0 8 0 zombiepl 144 1965 0 1965 1 0 1 1 0 8 1 processpl 1240 2015 0 1965 6 0 6 6 0 8 0 procpl 656 4470 0 4413 8 1 7 8 0 8 1 srpgc 96 6 0 6 2 2 0 1 0 8 0 sosppl 168 14 0 14 3 3 0 1 0 8 0 sockpl 728 3098 0 3058 43 38 5 34 0 8 0 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 126 0 0 16 0 16 16 0 8 0 mcl2k 2048 56 0 0 7 0 7 7 0 8 0 mtagpl 96 51 0 0 2 0 2 2 0 8 0 mbufpl 256 311 0 0 19 0 19 19 0 8 0 bufpl 280 14103 0 7961 440 0 440 440 0 8 0 anonpl 32 13450 0 0 109 0 109 109 0 246 0 amapchunkpl 152 57631 0 57197 46 22 24 33 0 158 4 amappl16 200 6676 0 6640 45 30 15 27 0 8 7 amappl15 192 7 0 7 2 2 0 1 0 8 0 amappl14 184 148 0 136 1 0 1 1 0 8 0 amappl13 176 5 0 5 1 1 0 1 0 8 0 amappl12 168 2659 0 2628 4 1 3 3 0 8 0 amappl11 160 70 0 56 1 0 1 1 0 8 0 amappl10 152 7 0 6 1 0 1 1 0 8 0 amappl9 144 244 0 244 1 1 0 1 0 8 0 amappl8 136 28 0 25 1 0 1 1 0 8 0 amappl7 128 125 0 113 1 0 1 1 0 8 0 amappl6 120 212 0 208 1 0 1 1 0 8 0 amappl5 112 128 0 118 1 0 1 1 0 8 0 amappl4 104 394 0 373 1 0 1 1 0 8 0 amappl3 96 11585 0 11483 6 2 4 4 0 8 0 amappl2 88 777 0 715 2 0 2 2 0 8 0 amappl1 80 17862 0 17262 18 3 15 16 0 8 0 amappl 88 15798 0 15650 5 0 5 5 0 92 0 dma32768 32768 2 0 2 2 2 0 1 0 8 0 dma8192 8192 2 0 2 2 2 0 1 0 8 0 dma4096 4096 2 0 2 2 2 0 1 0 8 0 dma2048 2048 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma512 512 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 256 0 256 4 4 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 43 0 3 1 0 1 1 0 8 0 uaddrrnd 24 1971 0 1941 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1971 0 1941 1 0 1 1 0 8 0 vmmpekpl 168 17716 0 17669 3 0 3 3 0 8 0 vmmpepl 168 132701 0 130779 123 23 100 110 0 357 7 vmsppl 480 1970 0 1941 6 1 5 5 0 8 0 rwobjpl 72 41438 0 34888 120 0 120 120 0 8 0 pdppl 4096 3949 0 3882 125 56 69 87 0 8 2 pvpl 32 23375 0 0 190 1 189 189 0 265 0 pmappl 256 1970 0 1941 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 452 0 90 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8380eff0) 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(ffffffff83924680) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83924680) at __mp_lock+0x192 sys/kern/kern_lock.c:165 uvm_fault(fffffd805d0597a8,c91edc56000,0,1) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:700 upageflttrap(ffff8000333e31e0,c91edc56000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff8000333e31e0) at usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7e2f6b7665a0, count: 7 ddb{0}> trace x86_ipi_db(ffffffff8380eff0) 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(ffffffff83924680) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83924680) at __mp_lock+0x192 sys/kern/kern_lock.c:165 uvm_fault(fffffd805d0597a8,c91edc56000,0,1) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:700 upageflttrap(ffff8000333e31e0,c91edc56000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff8000333e31e0) at usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7e2f6b7665a0, count: -8 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(ffffffff833931cf) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_dirbadentry(ffff80003c42add8,ffff80003c42add8,dee79eccc29bb266) at ufs_dirbadentry VOP_LOOKUP(fffffd800b039948,ffff80003c42afa8,ffff80003c42afd8) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c42af78) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80003c42af78) at namei+0x7aa sys/kern/vfs_lookup.c:250 sys_unveil(ffff80003c4507d8,ffff80003c42b160,ffff80003c42b0b0) at sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 syscall(ffff80003c42b160) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42b160) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1340ff35410, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833931cf) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_dirbadentry(ffff80003c42add8,ffff80003c42add8,dee79eccc29bb266) at ufs_dirbadentry VOP_LOOKUP(fffffd800b039948,ffff80003c42afa8,ffff80003c42afd8) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c42af78) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80003c42af78) at namei+0x7aa sys/kern/vfs_lookup.c:250 sys_unveil(ffff80003c4507d8,ffff80003c42b160,ffff80003c42b0b0) at sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 syscall(ffff80003c42b160) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42b160) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1340ff35410, count: -9