panic: bad dir Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *208370 70995 0 0x2000 0x4000000 1K syz-executor 213158 34992 0 0x2 0x1 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8338cbeb) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_dirbadentry(ffff80003c4ec8b8,ffff80003c4ec8b8,2d4f9b031b10cbe6) at ufs_dirbadentry VOP_LOOKUP(fffffd800b039360,ffff80003c4eca88,ffff80003c4ecab8) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c4eca58) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80003c4eca58) at namei+0x7aa sys/kern/vfs_lookup.c:250 sys_unveil(ffff80003c41bc68,ffff80003c4ecc40,ffff80003c4ecb90) at sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 syscall(ffff80003c4ecc40) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4ecc40) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x493af052ff0, 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(ffffffff8338cbeb) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_dirbadentry(ffff80003c4ec8b8,ffff80003c4ec8b8,2d4f9b031b10cbe6) at ufs_dirbadentry VOP_LOOKUP(fffffd800b039360,ffff80003c4eca88,ffff80003c4ecab8) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c4eca58) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80003c4eca58) at namei+0x7aa sys/kern/vfs_lookup.c:250 sys_unveil(ffff80003c41bc68,ffff80003c4ecc40,ffff80003c4ecb90) at sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 syscall(ffff80003c4ecc40) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4ecc40) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x493af052ff0, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c4ec6e0 rbx 0xffff8000299dedd7 rdx 0xffff800001484f40 rcx 0xffff80003c41bc68 rax 0xffff8000299ddff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe632520b04e42 r11 0xa745d1b21435bc39 r12 0xffff8000299debd8 r13 0 r14 0 r15 0x1 rip 0xffffffff810298c5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c4ec6d0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=208370 pid=70995 tcnt=2 stat=onproc flags process=2000 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c41bc68 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c41a7e8,0xffff800039ffd228 process=0xffff8000fffeb568 user=0xffff80003c4e7000, vmspace=0xfffffd806842c3e0 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 99309 220500 91366 0 3 0x80 nanoslp syz-executor 99309 359943 91366 0 3 0x4000080 fsleep syz-executor 99309 185837 91366 0 3 0x4000080 fsleep syz-executor 99309 463044 91366 0 3 0x4000080 fsleep syz-executor 70995 15001 61181 0 4 0x82000 syz-executor *70995 208370 61181 0 7 0x4002000 syz-executor 58952 258529 52 0 2 0 syz-executor 58952 212760 52 0 3 0x4000080 piperd syz-executor 5863 424906 1926 0 2 0 syz-executor 5863 207660 1926 0 3 0x4000080 fsleep syz-executor 5863 360015 1926 0 3 0x4000080 fsleep syz-executor 43734 321006 24584 0 4 0x82000 syz-executor 43734 340712 24584 0 2 0x4082000 syz-executor 43734 2618 24584 0 3 0x4082000 inode syz-executor 43734 278061 24584 0 3 0x4002000 suspend syz-executor 9236 413359 42364 0 3 0x80 nanoslp syz-executor 9236 147957 42364 0 3 0x4000080 ttyout syz-executor 9236 262391 42364 0 3 0x4000080 fsleep syz-executor 77363 133063 34788 0 3 0x90 nanoslp syz-executor 77363 168880 34788 0 3 0x4000090 piperd syz-executor 77363 424641 34788 0 3 0x4000090 fsleep syz-executor 55447 303704 41776 0 3 0x80 nanoslp syz-executor 55447 86471 41776 0 3 0x4000080 sbwait syz-executor 55447 247529 41776 0 3 0x4000080 fsleep syz-executor 55447 449524 41776 0 3 0x4000080 fsleep syz-executor 15049 56657 0 0 3 0x14200 acct acct 61853 252579 1 0 3 0x100083 ttyin getty 42364 31333 34992 0 3 0x82 nanoslp syz-executor 3388 14051 0 0 3 0x14200 bored sosplice 71287 102745 0 0 3 0x14280 nfsidl nfsio 7545 394250 0 0 3 0x14280 nfsidl nfsio 87089 521901 0 0 3 0x14280 nfsidl nfsio 12495 191735 0 0 3 0x14280 nfsidl nfsio 93947 60055 0 0 3 0x14280 nfsidl nfsio 59878 166421 0 0 3 0x14280 nfsidl nfsio 1858 24131 0 0 3 0x14280 nfsidl nfsio 91008 106948 0 0 3 0x14280 nfsidl nfsio 64001 438625 0 0 3 0x14280 nfsidl nfsio 8918 349660 0 0 3 0x14280 nfsidl nfsio 33662 70857 0 0 3 0x14280 nfsidl nfsio 64496 248025 0 0 3 0x14280 nfsidl nfsio 28388 227671 0 0 3 0x14280 nfsidl nfsio 50989 381432 0 0 3 0x14280 nfsidl nfsio 19418 200570 0 0 3 0x14280 nfsidl nfsio 22042 154444 0 0 3 0x14280 nfsidl nfsio 90047 312043 0 0 3 0x14280 nfsidl nfsio 2373 309191 0 0 3 0x14280 nfsidl nfsio 58814 58596 0 0 3 0x14280 nfsidl nfsio 97837 475805 0 0 3 0x14280 nfsidl nfsio 1926 420780 34992 0 3 0x82 nanoslp syz-executor 24584 212194 34992 0 3 0x82 nanoslp syz-executor 52 37239 34992 0 3 0x82 nanoslp syz-executor 61181 96116 34992 0 3 0x82 nanoslp syz-executor 41776 443848 34992 0 3 0x82 nanoslp syz-executor 91366 498428 34992 0 3 0x82 nanoslp syz-executor 34788 39608 34992 0 3 0x82 nanoslp syz-executor 34992 213158 34631 0 7 0x3 syz-executor 34631 55613 99135 0 3 0x10008a sigsusp ksh 99135 327526 95926 0 3 0x98 kqread sshd-session 95926 36529 76591 0 3 0x92 kqread sshd-session 76591 202514 1 0 3 0x88 kqread sshd 88859 96962 75603 74 3 0x1100092 bpf pflogd 75603 121465 1 0 3 0x80 sbwait pflogd 76404 277681 5453 73 3 0x1100090 kqread syslogd 5453 287398 1 0 3 0x100082 sbwait syslogd 51782 273054 1 0 3 0x100080 kqread resolvd 60887 90768 4537 77 3 0x100092 kqread dhcpleased 55094 393136 4537 77 3 0x100092 kqread dhcpleased 4537 461422 1 0 3 0x80 kqread dhcpleased 2322 249865 0 0 3 0x14200 bored smr 62693 265477 0 0 3 0x14200 pgzero zerothread 9570 45275 0 0 3 0x14200 aiodoned aiodoned 3267 113269 0 0 3 0x14200 syncer update 27766 77597 0 0 3 0x14200 cleaner cleaner 48467 416391 0 0 3 0x14200 reaper reaper 15028 454714 0 0 3 0x14200 pgdaemon pagedaemon 22647 460459 0 0 3 0x14200 bored viomb 49699 493188 0 0 3 0x40014200 acpi0 acpi0 87955 470095 0 0 3 0x40014200 idle1 34099 429921 0 0 3 0x14200 bored softnet3 15442 492842 0 0 3 0x14200 bored softnet2 91621 215822 0 0 3 0x14200 bored softnet1 79449 195704 0 0 3 0x14200 bored softnet0 94271 515931 0 0 3 0x14200 smrbar systqmp 32770 145791 0 0 3 0x14200 bored systq 93653 406757 0 0 3 0x14200 tmoslp softclockmp 59102 21950 0 0 3 0x40014200 tmoslp softclock 36747 84297 0 0 3 0x40014200 idle0 1 480131 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 70995 (syz-executor) thread 0xffff80003c41bc68 (208370) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838d25b8) #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:748 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807e454f40) #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:748 #9 Xsyscall+0x128 Process 43734 (syz-executor) thread 0xffff800039ffd4a8 (340712) exclusive rrwlock inode r = 0 (0xfffffd806e0d99b8) #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 vn_write+0x190 sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x23c sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 43734 (syz-executor) thread 0xffff800039ffc2b8 (2618) exclusive rrwlock inode r = 0 (0xfffffd806e079f58) #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 uipc_bind+0x2f4 sys/kern/uipc_usrreq.c:371 #8 sys_bind+0x28a sys/kern/uipc_syscalls.c:189 #9 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 #10 Xsyscall+0x128 Process 94271 (systqmp) thread 0xffff8000ffffe520 (515931) shared rwlock systqmp r = 0 (0xffffffff837f8808) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10210 11028K 12325K 166960K 12040 0 pcb 18 13K 14K 166960K 156 0 rtable 167 7K 9K 166960K 546 0 pf 30 17K 21K 166960K 104 0 ifaddr 32 5K 8K 166960K 69 0 ifgroup 43 2K 2K 166960K 103 0 sysctl 3 1K 9K 166960K 11 0 counters 62 36K 37K 166960K 108 0 ioctlops 0 0K 4K 166960K 1658 0 iov 0 0K 32K 166960K 35 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1461 92K 92K 166960K 1905 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 28 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 240K 166960K 800 0 sigio 0 0K 0K 166960K 7 0 proc 75 103K 128K 166960K 633 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 188 0 in_multi 69 4K 7K 166960K 129 0 ether_multi 1 0K 0K 166960K 4 0 mrt 1 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 193 864K 864K 166960K 193 0 exec 0 0K 1K 166960K 432 0 fusefs mount 1 32K 32K 166960K 1 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 255 168K 181K 166960K 8855 0 UVM aobj 19 2K 2K 166960K 19 0 pinsyscall 43 86K 103K 166960K 1904 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 23 0 NDP 9 0K 2K 166960K 43 0 temp 64 8681K 8800K 166960K 41227 0 kqueue 15 24K 32K 166960K 130 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 81 0 78 1 0 1 1 0 8 0 rtentry 176 133 0 66 6 1 5 6 0 8 0 unpcb 144 513 0 488 7 5 2 4 0 8 0 syncache 336 4 0 4 2 1 1 1 0 8 1 tcpcb 736 168 0 161 1 0 1 1 0 8 0 arp 128 20 0 8 1 0 1 1 0 8 0 inpcb 328 597 0 583 6 4 2 5 0 8 0 nd6 144 31 0 15 1 0 1 1 0 8 0 pkpcb 40 7 0 7 2 1 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1192 12 0 12 2 1 1 1 0 8 1 pppxif 1504 3 0 3 2 1 1 1 0 8 1 pffrag 232 3 0 0 1 0 1 1 0 482 0 pffrnode 88 3 0 0 1 0 1 1 0 8 0 pffrent 40 6 0 3 2 1 1 1 0 8 0 pfosfp 40 1429 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pfrktable 1344 1 0 1 1 0 1 1 0 8 1 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 1 0 1 1 1 0 1 0 8 0 pfstitem 24 54 0 16 1 0 1 1 0 8 0 pfstkey 128 54 0 16 2 0 2 2 0 8 0 pfstate 384 54 0 16 5 0 5 5 0 8 0 pfrule 1344 29 0 20 2 0 2 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 556 0 197 29 3 26 29 0 8 2 art_table 40 558 0 197 5 0 5 5 0 8 0 art_node 32 133 0 73 1 0 1 1 0 8 0 sysvmsgpl 40 45 0 8 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 26 0 16 1 0 1 1 0 8 0 shmpl 112 16 0 0 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 2769 0 1259 95 0 95 95 0 8 0 ffsino 288 2769 0 1259 109 0 109 109 0 8 0 nchpl 144 3893 0 2196 64 0 64 64 0 8 0 rtmask 32 2 0 2 1 1 0 1 0 8 0 uvmvnodes 80 3163 0 0 65 0 65 65 0 8 0 vnodes 216 3163 0 0 176 0 176 176 0 8 0 namei 1024 13449 0 13446 1 0 1 1 0 8 0 percpumem 16 69 0 23 1 0 1 1 0 8 0 kstatmem 264 52 0 32 2 0 2 2 0 8 0 scsiplug 72 3 0 3 2 1 1 1 0 8 1 scxspl 216 28125 0 28125 13 11 2 8 1 8 2 plimitpl 152 244 0 224 1 0 1 1 0 8 0 sigapl 424 1109 0 1037 9 0 9 9 0 8 0 knotepl 120 311 0 0 10 0 10 10 0 8 0 kqueuepl 224 211 0 199 2 0 2 2 0 8 1 pipepl 336 165 0 136 3 0 3 3 0 8 0 fdescpl 520 1068 0 1036 3 0 3 3 0 8 0 filepl 160 6015 0 5740 22 7 15 18 0 8 3 lockfpl 104 353 0 351 1 0 1 1 0 8 0 lockfspl 48 166 0 164 1 0 1 1 0 8 0 sessionpl 144 26 0 17 1 0 1 1 0 8 0 pgrppl 48 82 0 64 1 0 1 1 0 8 0 ucredpl 104 924 0 910 1 0 1 1 0 8 0 zombiepl 144 1037 0 1037 1 0 1 1 0 8 1 processpl 1240 1109 0 1037 6 0 6 6 0 8 0 procpl 656 2264 0 2175 8 0 8 8 0 8 0 sosppl 168 2 0 2 1 1 0 1 0 8 0 sockpl 728 1218 0 1176 14 9 5 10 0 8 1 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 133 0 0 17 0 17 17 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 58 0 0 8 0 8 8 0 8 1 mtagpl 96 44 0 0 2 0 2 2 0 8 0 mbufpl 256 332 0 0 21 0 21 21 0 8 0 bufpl 280 11661 0 5519 439 0 439 439 0 8 0 anonpl 32 10960 0 0 89 0 89 89 0 246 0 amapchunkpl 152 27932 0 27395 35 9 26 30 0 158 4 amappl16 200 3376 0 3307 43 17 26 26 0 8 14 amappl14 184 114 0 102 1 0 1 1 0 8 0 amappl13 176 3 0 3 1 1 0 1 0 8 0 amappl12 168 1720 0 1688 3 0 3 3 0 8 0 amappl11 160 51 0 37 1 0 1 1 0 8 0 amappl10 152 17 0 17 1 1 0 1 0 8 0 amappl9 144 275 0 274 1 0 1 1 0 8 0 amappl8 136 36 0 34 1 0 1 1 0 8 0 amappl7 128 136 0 124 1 0 1 1 0 8 0 amappl6 120 179 0 175 1 0 1 1 0 8 0 amappl5 112 122 0 113 1 0 1 1 0 8 0 amappl4 104 313 0 294 1 0 1 1 0 8 0 amappl3 96 5688 0 5564 4 0 4 4 0 8 0 amappl2 88 649 0 586 2 0 2 2 0 8 0 amappl1 80 11132 0 10530 16 1 15 15 0 8 1 amappl 88 8017 0 7835 5 0 5 5 0 92 0 dma8192 8192 1 0 1 1 1 0 1 0 8 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 18 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1068 0 1036 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1068 0 1036 1 0 1 1 0 8 0 vmmpekpl 168 9994 0 9942 3 0 3 3 0 8 0 vmmpepl 168 72865 0 70780 119 7 112 112 0 357 2 vmsppl 480 1067 0 1036 5 0 5 5 0 8 1 rwobjpl 72 24115 0 19949 82 0 82 82 0 8 0 pdppl 4096 2143 0 2072 103 32 71 85 0 8 0 pvpl 32 20458 0 0 165 0 165 165 0 265 0 pmappl 256 1067 0 1036 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 404 0 39 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83813ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc ktrstruct(ffff80002a2a4018,ffffffff833b3fa9,ffff8000015016d8,8) at ktrstruct+0xdf sys/kern/kern_ktrace.c:313 dopselect(ffff80002a2a4018,35,7cd4233bf150,0,0,ffff80002a2e4da8,dd527a93c4cd297c,ffff80002a2a4018) at dopselect+0xc58 sys/kern/sys_generic.c:720 sys_pselect(ffff80002a2a4018,ffff80002a2e4ef0,ffff80002a2e4e40) at sys_pselect+0x263 sys/kern/sys_generic.c:589 syscall(ffff80002a2e4ef0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2e4ef0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7cd4233bf100, count: 6 ddb{0}> trace x86_ipi_db(ffffffff83813ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc ktrstruct(ffff80002a2a4018,ffffffff833b3fa9,ffff8000015016d8,8) at ktrstruct+0xdf sys/kern/kern_ktrace.c:313 dopselect(ffff80002a2a4018,35,7cd4233bf150,0,0,ffff80002a2e4da8,dd527a93c4cd297c,ffff80002a2a4018) at dopselect+0xc58 sys/kern/sys_generic.c:720 sys_pselect(ffff80002a2a4018,ffff80002a2e4ef0,ffff80002a2e4e40) at sys_pselect+0x263 sys/kern/sys_generic.c:589 syscall(ffff80002a2e4ef0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2e4ef0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7cd4233bf100, count: -9 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(ffffffff8338cbeb) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_dirbadentry(ffff80003c4ec8b8,ffff80003c4ec8b8,2d4f9b031b10cbe6) at ufs_dirbadentry VOP_LOOKUP(fffffd800b039360,ffff80003c4eca88,ffff80003c4ecab8) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c4eca58) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80003c4eca58) at namei+0x7aa sys/kern/vfs_lookup.c:250 sys_unveil(ffff80003c41bc68,ffff80003c4ecc40,ffff80003c4ecb90) at sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 syscall(ffff80003c4ecc40) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4ecc40) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x493af052ff0, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8338cbeb) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_dirbadentry(ffff80003c4ec8b8,ffff80003c4ec8b8,2d4f9b031b10cbe6) at ufs_dirbadentry VOP_LOOKUP(fffffd800b039360,ffff80003c4eca88,ffff80003c4ecab8) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c4eca58) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80003c4eca58) at namei+0x7aa sys/kern/vfs_lookup.c:250 sys_unveil(ffff80003c41bc68,ffff80003c4ecc40,ffff80003c4ecb90) at sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 syscall(ffff80003c4ecc40) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4ecc40) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x493af052ff0, count: -9