panic: bad dir Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *357703 74506 0 0 0x4000000 0K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8337393a) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_dirbadentry(ffff80003c0d20c8,ffff80003c0d20c8,741c66f338e9c6c) at ufs_dirbadentry VOP_LOOKUP(fffffd8009b37948,ffff80003c0d2340,ffff80003c0d2370) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c0d2310) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80003c0d2310) at namei+0x7aa sys/kern/vfs_lookup.c:250 domkdirat(ffff8000310a0550,ffffff9c,200000000340,180) at domkdirat+0x8b sys/kern/vfs_syscalls.c:3102 syscall(ffff80003c0d24f0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c0d24f0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x98a1e7fad30, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: bad dir ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8337393a) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_dirbadentry(ffff80003c0d20c8,ffff80003c0d20c8,741c66f338e9c6c) at ufs_dirbadentry VOP_LOOKUP(fffffd8009b37948,ffff80003c0d2340,ffff80003c0d2370) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c0d2310) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80003c0d2310) at namei+0x7aa sys/kern/vfs_lookup.c:250 domkdirat(ffff8000310a0550,ffffff9c,200000000340,180) at domkdirat+0x8b sys/kern/vfs_syscalls.c:3102 syscall(ffff80003c0d24f0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c0d24f0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x98a1e7fad30, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c0d1ef0 rbx 0xffffffff8385ddc7 cpu_info_full_primary+0x2dc7 rdx 0xffff80000145ea40 rcx 0xffff8000310a0550 rax 0xffffffff8385cff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xbad030938b24daf7 r11 0xcaf221cdc5e90be8 r12 0xffffffff8385dbc8 cpu_info_full_primary+0x2bc8 r13 0 r14 0 r15 0x1 rip 0xffffffff8126f8c5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c0d1ee0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=357703 pid=74506 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=85, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000310a1740,0xffff8000ffff6a70 process=0xffff8000ffff0948 user=0xffff80003c0cd000, vmspace=0xfffffd806eb5c398 estcpu=35, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 29645 164298 91881 0 2 0x2 syz-executor 96704 26532 44735 0 2 0x10 syz-executor 96704 232843 44735 0 3 0x4000090 fsleep syz-executor 74506 420169 75888 0 2 0 syz-executor *74506 357703 75888 0 7 0x4000000 syz-executor 56316 408294 71429 -1 3 0x90 nanoslp syz-executor 56316 265193 71429 -1 3 0x4000090 kqsel syz-executor 56316 217589 71429 -1 3 0x4000090 fsleep syz-executor 68492 424978 4043 0 2 0 syz-executor 68492 222176 4043 0 3 0x4000080 fsleep syz-executor 8192 254903 2739 0 2 0 syz-executor 8192 519948 2739 0 3 0x4000080 fsleep syz-executor 44083 107765 47459 0 3 0x80 nanoslp syz-executor 44083 125202 47459 0 3 0x4000080 msgwait syz-executor 44083 380321 47459 0 3 0x4000080 fsleep syz-executor 4043 11822 91881 0 3 0x82 nanoslp syz-executor 71429 347947 91881 0 3 0x82 nanoslp syz-executor 47459 157984 91881 0 3 0x82 nanoslp syz-executor 75888 439169 91881 0 3 0x82 nanoslp syz-executor 44735 68352 91881 0 3 0x82 nanoslp syz-executor 2739 184874 91881 0 3 0x82 nanoslp syz-executor 35341 50218 0 0 3 0x14200 acct acct 24182 157620 1 0 3 0x100083 ttyin getty 49044 358917 0 0 3 0x14280 nfsidl nfsio 5789 30116 0 0 3 0x14280 nfsidl nfsio 5894 124019 0 0 3 0x14280 nfsidl nfsio 58544 121408 0 0 3 0x14280 nfsidl nfsio 38724 8076 0 0 3 0x14280 nfsidl nfsio 23093 449555 0 0 3 0x14280 nfsidl nfsio 70827 259939 0 0 3 0x14280 nfsidl nfsio 79791 15428 0 0 3 0x14280 nfsidl nfsio 40535 39959 0 0 3 0x14280 nfsidl nfsio 87141 39745 0 0 3 0x14280 nfsidl nfsio 42186 334904 0 0 3 0x14280 nfsidl nfsio 67544 337472 0 0 3 0x14280 nfsidl nfsio 13261 61345 0 0 3 0x14280 nfsidl nfsio 62517 429562 0 0 3 0x14280 nfsidl nfsio 65275 255215 0 0 3 0x14280 nfsidl nfsio 68343 374539 0 0 3 0x14280 nfsidl nfsio 41577 519754 0 0 3 0x14280 nfsidl nfsio 85787 80438 0 0 3 0x14280 nfsidl nfsio 25613 347968 0 0 3 0x14280 nfsidl nfsio 60203 302510 0 0 3 0x14280 nfsidl nfsio 41863 79610 0 0 3 0x14200 bored sosplice 37423 226490 5117 0 3 0x100082 sbwait ndp 5117 48117 1 0 3 0x10008a sigsusp sh 91881 301551 26095 0 3 0x82 nanoslp syz-executor 26095 155032 11413 0 3 0x10008a sigsusp ksh 11413 241626 14547 0 3 0x98 kqread sshd-session 14547 282200 89232 0 3 0x92 kqread sshd-session 89232 512635 1 0 3 0x88 kqread sshd 77808 224945 27880 74 3 0x1100092 bpf pflogd 27880 126796 1 0 3 0x80 sbwait pflogd 3877 140721 40160 73 3 0x1100090 kqread syslogd 40160 413205 1 0 3 0x100082 sbwait syslogd 72839 253002 1 0 3 0x100080 kqread resolvd 97136 520402 26768 77 3 0x100092 kqread dhcpleased 24573 461014 26768 77 3 0x100092 kqread dhcpleased 26768 396565 1 0 3 0x80 kqread dhcpleased 72892 116512 0 0 3 0x14200 bored smr 140 243196 0 0 2 0x14200 zerothread 68408 38708 0 0 3 0x14200 aiodoned aiodoned 50258 263157 0 0 3 0x14200 syncer update 8489 95495 0 0 3 0x14200 cleaner cleaner 28865 487314 0 0 3 0x14200 reaper reaper 71172 415639 0 0 3 0x14200 pgdaemon pagedaemon 90391 518624 0 0 3 0x14200 bored viomb 91940 32176 0 0 3 0x40014200 acpi0 acpi0 39513 154219 0 0 7 0x40014200 idle1 40017 63118 0 0 3 0x14200 bored softnet3 57990 385745 0 0 3 0x14200 bored softnet2 97552 489152 0 0 3 0x14200 bored softnet1 99189 293293 0 0 3 0x14200 bored softnet0 46564 308419 0 0 3 0x14200 bored systqmp 12568 227731 0 0 3 0x14200 bored systq 98470 213852 0 0 3 0x14200 tmoslp softclockmp 18524 5259 0 0 3 0x40014200 tmoslp softclock 1796 475826 0 0 3 0x40014200 idle0 1 200705 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 29645 (syz-executor) thread 0xffff8000ffffcf70 (164298) exclusive rrwlock inode r = 0 (0xfffffd805ba37748) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3117 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806ed36ce0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3102 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 74506 (syz-executor) thread 0xffff8000310a0550 (357703) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83973788) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x24f sys/kern/kern_synch.c:412 #4 biowait+0xc1 sys/kern/vfs_bio.c:1246 #5 ffs_bufatoff+0x16f sys/ufs/ffs/ffs_subr.c:71 #6 ufs_lookup+0x548 sys/ufs/ufs/ufs_lookup.c:256 #7 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #8 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #9 namei+0x7aa sys/kern/vfs_lookup.c:250 #10 domkdirat+0x8b sys/kern/vfs_syscalls.c:3102 #11 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807e312ca8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3102 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10220 11031K 11359K 166960K 12779 0 pcb 17 14K 15K 166960K 137 0 rtable 187 7K 9K 166960K 681 0 pf 32 17K 21K 166960K 120 0 ifaddr 35 6K 8K 166960K 106 0 ifgroup 47 2K 2K 166960K 157 0 sysctl 3 1K 1K 166960K 3 0 counters 60 35K 37K 166960K 136 0 ioctlops 0 0K 4K 166960K 1636 0 iov 0 0K 12K 166960K 112 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1379 87K 87K 166960K 2567 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 18 0 VM map 2 1K 1K 166960K 2 0 sem 12 10K 10K 166960K 111 0 dirhash 12 2K 3K 166960K 27 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 58K 93K 166960K 1175 0 sigio 0 0K 0K 166960K 46 0 proc 72 91K 128K 166960K 882 0 subproc 63 3K 5K 166960K 405 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 121 0 in_multi 74 5K 7K 166960K 213 0 ether_multi 1 0K 0K 166960K 4 0 mrt 0 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 253 1129K 1129K 166960K 253 0 exec 0 0K 1K 166960K 662 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 237 146K 184K 166960K 11338 0 UVM aobj 17 3K 5K 166960K 21 0 pinsyscall 43 86K 104K 166960K 2521 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 59 0 NDP 10 0K 1K 166960K 74 0 temp 57 8688K 8754K 166960K 34010 0 kqueue 13 20K 31K 166960K 187 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> 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 98 0 94 1 0 1 1 0 8 0 rtentry 168 221 0 139 5 0 5 5 0 8 1 unpcb 144 611 0 591 3 2 1 3 0 8 0 syncache 336 6 0 6 2 2 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 221 0 215 5 4 1 5 0 8 0 arp 120 37 0 22 1 0 1 1 0 8 0 inpcb 376 1072 0 1063 15 10 5 11 0 8 4 nd6 136 54 0 35 1 0 1 1 0 8 0 pkpcb 40 7 0 7 1 1 0 1 0 8 0 kcovpl 48 45 0 38 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 0 1 1 0 8 1 ppxss 1168 18 0 18 3 2 1 1 0 8 1 pppxif 1480 2 0 2 2 1 1 1 0 8 1 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 1 0 1 1 1 0 1 0 482 0 pffrnode 88 1 0 1 1 1 0 1 0 8 0 pffrent 40 3 0 3 1 1 0 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 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pfstitem 24 70 0 58 1 0 1 1 0 8 0 pfstkey 128 72 0 60 2 0 2 2 0 8 1 pfstate 376 70 0 59 5 2 3 5 0 8 1 pfrule 1344 25 0 17 2 1 1 2 0 8 0 rttmr 136 2 0 2 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 880 0 551 32 8 24 30 0 8 3 art_table 32 882 0 551 4 0 4 4 0 8 1 art_node 16 219 0 148 1 0 1 1 0 8 0 sysvmsgpl 40 83 0 78 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 103 0 93 1 0 1 1 0 8 0 shmpl 112 18 0 4 1 0 1 1 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 3378 0 1821 98 0 98 98 0 8 0 ffsino 280 3378 0 1821 112 0 112 112 0 8 0 nchpl 144 4793 0 3049 65 0 65 65 0 8 0 rtmask 32 2 0 2 1 1 0 1 0 8 0 uvmvnodes 80 3223 0 0 66 0 66 66 0 8 0 vnodes 216 3223 0 0 180 0 180 180 0 8 0 namei 1024 18140 0 18138 2 1 1 1 0 8 0 percpumem 16 82 0 38 1 0 1 1 0 8 0 kstatmem 264 80 0 60 2 0 2 2 0 8 0 scsiplug 72 5 0 5 1 1 0 1 0 8 0 scxspl 216 18374 0 18374 10 9 1 8 1 8 1 plimitpl 152 357 0 340 1 0 1 1 0 8 0 sigapl 424 1428 0 1357 10 1 9 9 0 8 0 futexpl 64 13612 0 13607 2 1 1 1 0 8 0 knotepl 120 756 0 0 23 0 23 23 0 8 0 kqueuepl 216 278 0 268 2 1 1 2 0 8 0 pipepl 328 317 0 286 7 3 4 6 0 8 0 fdescpl 504 1388 0 1357 5 0 5 5 0 8 0 filepl 152 8960 0 8743 15 4 11 15 0 8 1 lockfpl 104 443 0 441 3 2 1 2 0 8 0 lockfspl 48 98 0 96 1 0 1 1 0 8 0 sessionpl 144 64 0 55 1 0 1 1 0 8 0 pgrppl 48 123 0 106 1 0 1 1 0 8 0 ucredpl 104 1602 0 1587 1 0 1 1 0 8 0 zombiepl 144 1357 0 1357 1 0 1 1 0 8 1 processpl 1176 1428 0 1357 6 0 6 6 0 8 0 procpl 656 2678 0 2599 9 1 8 8 0 8 1 srpgc 96 8 0 8 3 2 1 1 0 8 1 sosppl 168 9 0 9 1 1 0 1 0 8 0 sockpl 688 1802 0 1769 16 9 7 12 0 8 4 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 120 0 0 15 0 15 15 0 8 0 mcl2k 2048 45 0 0 6 0 6 6 0 8 0 mtagpl 96 95 0 0 3 0 3 3 0 8 0 mbufpl 256 1188 0 0 74 0 74 74 0 8 0 bufpl 280 6089 0 128 426 0 426 426 0 8 0 anonpl 24 213331 0 202312 73 6 67 68 0 184 0 amapchunkpl 152 36486 0 35941 34 8 26 30 0 158 4 amappl16 200 4344 0 3952 31 10 21 23 0 8 0 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 139 0 126 1 0 1 1 0 8 0 amappl13 176 6 0 6 2 2 0 1 0 8 0 amappl12 168 2197 0 2166 3 1 2 2 0 8 0 amappl11 160 51 0 37 1 0 1 1 0 8 0 amappl10 152 8 0 8 1 1 0 1 0 8 0 amappl9 144 252 0 251 1 0 1 1 0 8 0 amappl8 136 30 0 27 1 0 1 1 0 8 0 amappl7 128 130 0 117 1 0 1 1 0 8 0 amappl6 120 270 0 265 1 0 1 1 0 8 0 amappl5 112 167 0 157 1 0 1 1 0 8 0 amappl4 104 355 0 334 1 0 1 1 0 8 0 amappl3 96 7168 0 7066 4 0 4 4 0 8 0 amappl2 88 794 0 728 2 0 2 2 0 8 0 amappl1 80 13579 0 12959 15 0 15 15 0 8 0 amappl 88 10263 0 10103 5 0 5 5 0 92 0 dma8192 8192 2 0 2 1 1 0 1 0 8 0 dma4096 4096 2 0 2 2 2 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 128 254 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 20 0 4 1 0 1 1 0 8 0 uaddrrnd 24 1388 0 1357 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1388 0 1357 1 0 1 1 0 8 0 vmmpekpl 168 12559 0 12504 3 0 3 3 0 8 0 vmmpepl 168 99775 0 97453 115 5 110 111 0 357 6 vmsppl 456 1387 0 1357 5 0 5 5 0 8 0 rwobjpl 64 29376 0 24831 74 0 74 74 0 8 0 pdppl 4096 2783 0 2714 119 44 75 85 0 8 6 pvpl 32 18058 0 0 147 1 146 146 0 265 0 pmappl 248 1387 0 1357 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 377 0 66 9 0 9 9 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8337393a) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_dirbadentry(ffff80003c0d20c8,ffff80003c0d20c8,741c66f338e9c6c) at ufs_dirbadentry VOP_LOOKUP(fffffd8009b37948,ffff80003c0d2340,ffff80003c0d2370) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c0d2310) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80003c0d2310) at namei+0x7aa sys/kern/vfs_lookup.c:250 domkdirat(ffff8000310a0550,ffffff9c,200000000340,180) at domkdirat+0x8b sys/kern/vfs_syscalls.c:3102 syscall(ffff80003c0d24f0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c0d24f0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x98a1e7fad30, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029a9bff0) 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 acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1218 sched_idle(ffff800029a9bff0) at sched_idle+0x558 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800029a9bff0) 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 acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1218 sched_idle(ffff800029a9bff0) at sched_idle+0x558 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: -5