panic() at panic+0x15c sys/kern/subr_prf.c:212 ufs_dirbadentry(ffff800014a14768,ffff800014a14768,2df1f6d02b356c76) at ufs_dirbadentry VOP_LOOKUP(fffffd803efda7d0,ffff800014a14810,ffff800014a147d0) at VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:90 unveil_find_cover(fffffd803efda7d0,ffff8000ffff8bc0) at unveil_find_cover+0x139 sys/kern/kern_unveil.c:290 unveil_add_vnode(ffff8000ffff7a50,fffffd803efda7d0,0) at unveil_add_vnode+0x23c sys/kern/kern_unveil.c:471 unveil_add(ffff8000ffff8bc0,ffff800014a14dd8,ffff800014a14ea3) at unveil_add+0x273 sys/kern/kern_unveil.c:597 sys_unveil(ffff8000ffff8bc0,ffff800014a14f10,ffff800014a14f80) at sys_unveil+0x405 sys/kern/vfs_syscalls.c:937 syscall(ffff800014a14ff0) at syscall+0x511 Xsyscall(6,72,1,72,7f7ffffd1d58,2f8a2808ac8) at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd1ce0, 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> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic bad dir ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic() at panic+0x15c sys/kern/subr_prf.c:212 ufs_dirbadentry(ffff800014a14768,ffff800014a14768,2df1f6d02b356c76) at ufs_dirbadentry VOP_LOOKUP(fffffd803efda7d0,ffff800014a14810,ffff800014a147d0) at VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:90 unveil_find_cover(fffffd803efda7d0,ffff8000ffff8bc0) at unveil_find_cover+0x139 sys/kern/kern_unveil.c:290 unveil_add_vnode(ffff8000ffff7a50,fffffd803efda7d0,0) at unveil_add_vnode+0x23c sys/kern/kern_unveil.c:471 unveil_add(ffff8000ffff8bc0,ffff800014a14dd8,ffff800014a14ea3) at unveil_add+0x273 sys/kern/kern_unveil.c:597 sys_unveil(ffff8000ffff8bc0,ffff800014a14f10,ffff800014a14f80) at sys_unveil+0x405 sys/kern/vfs_syscalls.c:937 syscall(ffff800014a14ff0) at syscall+0x511 Xsyscall(6,72,1,72,7f7ffffd1d58,2f8a2808ac8) at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd1ce0, count: -10 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff800014a14580 rbx 0xffff800014a14630 rdx 0x2 rcx 0 rax 0 r8 0xffff800014a14540 r9 0x1 r10 0 r11 0xcbe8fb68b5f748e4 r12 0x3000000008 r13 0xffff800014a14590 r14 0x100 r15 0x1 rip 0xffffffff81a73678 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800014a14570 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (ifconfig) pid=33042 stat=onproc flags process=2 proc=0 pri=17, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff8e18,0xffffffff822b78f0 process=0xffff8000ffff7a50 user=0xffff800014a10000, vmspace=0xfffffd803f014d68 estcpu=1, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=1 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND *20513 33042 7061 0 7 0x2 ifconfig 7061 148603 27173 0 3 0x10008a pause sh 27173 322826 67348 0 3 0x82 wait syz-executor.0 81917 149946 67348 0 3 0x82 piperd syz-executor.1 88739 264243 0 0 3 0x14200 bored sosplice 67348 517200 98352 0 3 0x82 thrsleep syz-fuzzer 67348 176603 98352 0 3 0x4000082 thrsleep syz-fuzzer 67348 278213 98352 0 3 0x4000082 kqread syz-fuzzer 67348 21211 98352 0 3 0x4000082 thrsleep syz-fuzzer 67348 137231 98352 0 3 0x4000082 thrsleep syz-fuzzer 67348 484407 98352 0 3 0x4000082 thrsleep syz-fuzzer 67348 312499 98352 0 3 0x4000082 thrsleep syz-fuzzer 67348 236322 98352 0 3 0x4000082 thrsleep syz-fuzzer 98352 43696 79420 0 3 0x10008a pause ksh 79420 511724 79669 0 3 0x92 select sshd 11619 314204 1 0 3 0x100083 ttyin getty 79669 492117 1 0 3 0x80 select sshd 87447 508237 98935 73 2 0x100090 syslogd 98935 172776 1 0 3 0x100082 netio syslogd 18446 319599 1 77 3 0x100090 poll dhclient 50618 473150 1 0 3 0x80 poll dhclient 71346 243246 0 0 3 0x14200 pgzero zerothread 65418 87602 0 0 3 0x14200 aiodoned aiodoned 96120 125509 0 0 3 0x14200 syncer update 43951 337515 0 0 3 0x14200 cleaner cleaner 14465 147838 0 0 3 0x14200 reaper reaper 31041 19557 0 0 3 0x14200 pgdaemon pagedaemon 29544 229289 0 0 3 0x14200 bored crynlk 17298 299608 0 0 3 0x14200 bored crypto 28058 483598 0 0 3 0x40014200 acpi0 acpi0 49280 241683 0 0 3 0x14200 bored softnet 57520 303518 0 0 3 0x14200 bored systqmp 27650 467475 0 0 3 0x14200 bored systq 64318 422740 0 0 3 0x40014200 bored softclock 53494 103211 0 0 3 0x40014200 idle0 12352 488015 0 0 3 0x14200 bored smr 1 201294 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9473 6331K 6777K 78643K 11640 0 0 pcb 23 9K 10K 78643K 235 0 0 rtable 86 3K 4K 78643K 351 0 0 ifaddr 42 10K 12K 78643K 93 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 37 0 0 iov 0 0K 20K 78643K 70 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1197 75K 76K 78643K 1624 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 9 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 1K 78643K 48 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 25K 78643K 515 0 0 sigio 0 0K 0K 78643K 4 0 0 proc 44 46K 62K 78643K 427 0 0 subproc 66 67586K 69634K 78643K 170 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 48 0 0 in_multi 22 1K 2K 78643K 73 0 0 ether_multi 1 0K 0K 78643K 5 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 60 265K 265K 78643K 60 0 0 exec 0 0K 1K 78643K 235 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 77 20K 22K 78643K 1988 0 0 UVM aobj 22 2K 2K 78643K 24 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 0K 78643K 4 0 0 NDP 8 0K 0K 78643K 27 0 0 temp 116 2700K 2828K 78643K 7191 0 0 kqueue 0 0K 0K 78643K 6 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 10 0 6 1 0 1 1 0 8 0 inpcbpl 280 210 0 203 1 0 1 1 0 8 0 plimitpl 152 45 0 38 1 0 1 1 0 8 0 rtentry 112 67 0 34 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 10 0 10 1 1 0 1 0 8 0 tcpcb 544 72 0 68 1 0 1 1 0 8 0 nd6 48 12 0 9 1 0 1 1 0 8 0 ppxss 1128 7 0 7 2 2 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 277 0 132 12 0 12 12 0 8 0 art_table 32 278 0 132 2 0 2 2 0 8 0 art_node 16 66 0 36 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 2 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 46 0 36 1 0 1 1 0 8 0 shmpl 112 22 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2153 0 734 46 0 46 46 0 8 0 ffsino 240 2153 0 734 84 0 84 84 0 8 0 nchpl 144 3032 0 1393 61 0 61 61 0 8 0 uvmvnodes 72 2502 0 0 46 0 46 46 0 8 0 vnodes 200 2502 0 0 132 0 132 132 0 8 0 namei 1024 8574 0 8573 1 0 1 1 0 8 0 scxspl 192 18425 0 18425 8 7 1 6 0 8 1 sigapl 432 676 0 662 2 0 2 2 0 8 0 futexpl 56 7340 0 7340 1 0 1 1 0 8 1 knotepl 112 191 0 170 1 0 1 1 0 8 0 kqueuepl 104 108 0 106 1 0 1 1 0 8 0 pipepl 112 454 0 435 2 1 1 1 0 8 0 fdescpl 424 677 0 662 2 0 2 2 0 8 0 filepl 120 3669 0 3575 4 0 4 4 0 8 1 lockfpl 104 154 0 154 2 1 1 1 0 8 1 lockfspl 48 61 0 61 2 1 1 1 0 8 1 sessionpl 112 20 0 10 1 0 1 1 0 8 0 pgrppl 48 28 0 18 1 0 1 1 0 8 0 ucredpl 96 460 0 453 1 0 1 1 0 8 0 zombiepl 144 662 0 662 2 1 1 1 0 8 1 processpl 840 692 0 662 4 0 4 4 0 8 0 procpl 600 1267 0 1230 4 0 4 4 0 8 1 sosppl 128 6 0 6 2 2 0 1 0 8 0 sockpl 384 424 0 407 3 0 3 3 0 8 1 mcl64k 65536 264 0 264 35 2 33 33 0 8 33 mcl16k 16384 1 0 1 1 1 0 1 0 8 0 mcl12k 12288 6 0 6 3 2 1 1 0 8 1 mcl9k 9216 6 0 6 1 0 1 1 0 8 1 mcl8k 8192 6 0 6 1 1 0 1 0 8 0 mcl4k 4096 26 0 26 3 2 1 1 0 8 1 mcl2k2 2112 2 0 2 1 1 0 1 0 8 0 mcl2k 2048 58088 0 58046 16 10 6 12 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 97270 0 97211 24 9 15 21 0 8 8 bufpl 256 22701 0 19593 198 0 198 198 0 8 0 anonpl 16 72245 0 63564 63 2 61 61 0 62 16 amapchunkpl 152 3087 0 2958 14 9 5 14 0 158 0 amappl16 192 3284 0 2694 46 8 38 42 0 8 8 amappl14 176 41 0 39 2 1 1 1 0 8 0 amappl13 168 209 0 209 1 0 1 1 0 8 1 amappl12 160 19 0 15 1 0 1 1 0 8 0 amappl11 152 48 0 34 1 0 1 1 0 8 0 amappl10 144 275 0 271 1 0 1 1 0 8 0 amappl9 136 624 0 621 1 0 1 1 0 8 0 amappl8 128 194 0 182 1 0 1 1 0 8 0 amappl7 120 247 0 242 1 0 1 1 0 8 0 amappl6 112 55 0 49 1 0 1 1 0 8 0 amappl5 104 169 0 156 1 0 1 1 0 8 0 amappl4 96 883 0 855 2 1 1 2 0 8 0 amappl3 88 127 0 122 1 0 1 1 0 8 0 amappl2 80 4902 0 4857 2 0 2 2 0 8 0 amappl1 72 21434 0 20999 24 15 9 19 0 8 0 amappl 72 1532 0 1498 1 0 1 1 0 75 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma64 64 259 0 259 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 23 0 2 1 0 1 1 0 8 0 uaddrrnd 24 677 0 662 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 677 0 662 1 0 1 1 0 8 0 vmmpekpl 168 8621 0 8601 2 0 2 2 0 8 0 vmmpepl 168 77754 0 76266 111 23 88 88 0 357 19 vmsppl 264 676 0 662 2 1 1 2 0 8 0 pdppl 4096 1360 0 1324 6 1 5 6 0 8 0 pvpl 32 228605 0 216920 155 7 148 148 0 265 34 pmappl 200 676 0 662 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 388 0 28 11 0 11 11 0 8 0