panic: bad dir Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *294182 13560 60929 0x10 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff832e48e2) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_lookup() at ufs_lookup+0x1eda VOP_LOOKUP(fffffd800b0396c0,ffff80003c4c9350,ffff80003c4c9380) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c4c9320) at vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 namei(ffff80003c4c9320) at namei+0x7ca sys/kern/vfs_lookup.c:250 domkdirat(ffff80003c4fa038,ffffff9c,200000000340,180) at domkdirat+0x8b sys/kern/vfs_syscalls.c:3094 syscall(ffff80003c4c9500) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4c9500) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf5303737a60, 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(ffffffff832e48e2) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_lookup() at ufs_lookup+0x1eda VOP_LOOKUP(fffffd800b0396c0,ffff80003c4c9350,ffff80003c4c9380) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c4c9320) at vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 namei(ffff80003c4c9320) at namei+0x7ca sys/kern/vfs_lookup.c:250 domkdirat(ffff80003c4fa038,ffffff9c,200000000340,180) at domkdirat+0x8b sys/kern/vfs_syscalls.c:3094 syscall(ffff80003c4c9500) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4c9500) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf5303737a60, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c4c8f10 rbx 0xffff8000299eeddf rdx 0xffff800001471940 rcx 0xffff80003c4fa038 rax 0xffff8000299edff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x5a6520ec269f91bc r11 0x6c00da155a60df91 r12 0xffff8000299eebe0 r13 0 r14 0 r15 0x1 rip 0xffffffff811b1895 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c4c8f00 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=294182 pid=13560 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c4fb260,0xffffffff8388ff48 process=0xffff80003c4c0ec8 user=0xffff80003c4c4000, vmspace=0xfffffd805f2de7c8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 13560 494800 10764 60929 2 0x10 syz-executor *13560 294182 10764 60929 7 0x4000010 syz-executor 17536 72366 88375 0 2 0 syz-executor 17536 440548 88375 0 3 0x4000080 fsleep syz-executor 86699 283176 93182 0 2 0 syz-executor 86699 270499 93182 0 3 0x4000080 kqpoll syz-executor 11172 107021 86455 0 2 0xc80 syz-executor 11172 244158 86455 0 3 0x4000080 ttyout syz-executor 11172 95920 86455 0 3 0x4000080 fsleep syz-executor 11172 40569 86455 0 3 0x4000080 fsleep syz-executor 25628 418766 82859 0 2 0xc80 syz-executor 25628 449581 82859 0 3 0x4000080 kqsel syz-executor 25628 8821 82859 0 3 0x4000080 fsleep syz-executor 71611 37478 88021 0 2 0xc80 syz-executor 71611 170446 88021 0 3 0x4000080 lockf syz-executor 71611 69778 88021 0 3 0x4000080 lockf syz-executor 71611 101289 88021 0 3 0x4000080 fsleep syz-executor 33471 212713 0 0 3 0x14200 bored sosplice 87867 243660 27865 0 3 0x82 nanoslp syz-executor 10764 391578 27865 0 3 0x82 nanoslp syz-executor 88021 435309 27865 0 3 0x82 nanoslp syz-executor 93182 500240 27865 0 2 0xc82 syz-executor 82859 19992 27865 0 2 0xc82 syz-executor 87225 480991 27865 0 2 0x10000c82 syz-executor 88375 53765 27865 0 2 0x3 syz-executor 86455 314239 27865 0 2 0x3 syz-executor 27865 51101 50315 0 3 0x82 kqread syz-executor 50315 39404 96816 0 3 0x10008a sigsusp ksh 96816 270718 68479 0 3 0x98 kqread sshd-session 68479 23994 52503 0 3 0x92 kqread sshd-session 36150 507159 1 0 3 0x100083 ttyin getty 52503 475962 1 0 3 0x88 kqread sshd 75908 467046 80102 74 3 0x1100092 bpf pflogd 80102 268059 1 0 3 0x80 sbwait pflogd 31297 312161 85218 73 3 0x1100090 kqread syslogd 85218 502018 1 0 3 0x100082 sbwait syslogd 66635 445736 1 0 3 0x100080 kqread resolvd 1964 10622 83328 77 3 0x100092 kqread dhcpleased 84012 484254 83328 77 3 0x100092 kqread dhcpleased 83328 310724 1 0 3 0x80 kqread dhcpleased 88667 59786 0 0 3 0x14200 bored smr 41783 39021 0 0 2 0x14200 zerothread 7326 502869 0 0 3 0x14200 aiodoned aiodoned 1060 183724 0 0 3 0x14200 syncer update 45321 65311 0 0 3 0x14200 cleaner cleaner 80035 228817 0 0 3 0x14200 reaper reaper 95666 454016 0 0 3 0x14200 pgdaemon pagedaemon 87441 50293 0 0 3 0x14200 bored viomb 13744 80738 0 0 3 0x40014200 acpi0 acpi0 81652 354528 0 0 3 0x40014200 idle1 88844 278048 0 0 3 0x14200 bored softnet7 41559 351775 0 0 3 0x14200 bored softnet6 80241 391148 0 0 3 0x14200 bored softnet5 36755 112082 0 0 3 0x14200 bored softnet4 89586 351295 0 0 3 0x14200 bored softnet3 60946 486229 0 0 3 0x14200 bored softnet2 32306 32993 0 0 3 0x14200 bored softnet1 15309 389077 0 0 3 0x14200 bored softnet0 96464 372584 0 0 3 0x14200 bored systqmp 23728 374843 0 0 3 0x14200 bored systq 22157 73164 0 0 2 0x14200 softclockmp 92931 252676 0 0 2 0x40014200 softclock 9023 422340 0 0 3 0x40014200 idle0 1 281945 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff838ff668) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 uvm_pageclean+0x28e uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] #3 uvm_pageclean+0x28e sys/uvm/uvm_page.c:980 #4 uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 #5 uvm_anfree_list+0x1e5 sys/uvm/uvm_anon.c:129 #6 amap_wipeout+0x248 sys/uvm/uvm_amap.c:-1 #7 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #8 uvm_map_teardown+0x360 sys/uvm/uvm_map.c:2525 #9 exit1+0x6fc sys/kern/kern_exit.c:260 #10 sys_exit+0x1a sys/kern/kern_exit.c:-1 #11 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #12 Xsyscall+0x128 Process 13560 (syz-executor) thread 0xffff80003c4fa038 (294182) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83886c28) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 sleep_finish+0x2d8 sys/kern/kern_synch.c:367 #3 biowait+0xc6 sys/kern/vfs_bio.c:1242 #4 ffs_bufatoff+0x16f sys/ufs/ffs/ffs_subr.c:71 #5 ufs_lookup+0x58e sys/ufs/ufs/ufs_lookup.c:256 #6 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #7 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #8 namei+0x7ca sys/kern/vfs_lookup.c:250 #9 domkdirat+0x8b sys/kern/vfs_syscalls.c:3094 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807e4bae80) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3094 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10209 11045K 11739K 166960K 12055 0 pcb 17 15K 17K 166960K 265 0 rtable 215 10K 10K 166960K 430 0 pf 37 18K 82K 166960K 169 0 ifaddr 39 7K 7K 166960K 98 0 ifgroup 51 2K 2K 166960K 176 0 sysctl 4 1K 9K 166960K 14 0 counters 66 36K 37K 166960K 198 0 ioctlops 0 0K 4K 166960K 1851 0 iov 0 0K 29K 166960K 123 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1438 90K 91K 166960K 2339 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 14 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 111 0 dirhash 12 2K 2K 166960K 27 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 97K 166960K 1194 0 sigio 1 0K 0K 166960K 23 0 proc 72 115K 180K 166960K 655 0 subproc 72 4K 4K 166960K 73 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 224 0 in_multi 88 6K 7K 166960K 141 0 ether_multi 1 0K 0K 166960K 8 0 mrt 2 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 527 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 244 151K 171K 166960K 12973 0 UVM aobj 30 5K 5K 166960K 31 0 pinsyscall 41 82K 104K 166960K 2337 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 99 0 NDP 11 0K 2K 166960K 69 0 temp 81 8652K 8902K 166960K 45175 0 kqueue 14 22K 29K 166960K 220 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 120 119 0 115 1 0 1 1 0 8 0 rtentry 176 135 0 48 5 0 5 5 0 8 0 unpcb 144 675 0 654 6 5 1 4 0 8 0 syncache 336 12 0 12 5 5 0 1 0 8 0 tcpqe 32 3 0 3 2 2 0 1 0 8 0 tcpcb 736 555 0 548 11 9 2 7 0 8 0 arp 128 20 0 6 1 0 1 1 0 8 0 inpcb 328 1321 0 1309 11 7 4 7 0 8 2 nd6 144 19 0 2 1 0 1 1 0 8 0 pkpcb 40 7 0 7 3 3 0 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 mppekey 1024 3 0 3 1 1 0 1 0 8 0 ppxss 1192 52 0 52 3 2 1 1 0 8 1 pppxif 1504 5 0 5 2 1 1 1 0 8 1 pfstscr 40 5 0 5 1 1 0 1 0 8 0 pffrag 232 26 0 20 2 1 1 1 0 482 0 pffrnode 88 26 0 20 2 1 1 1 0 8 0 pffrent 40 47 0 41 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 1 0 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 91 0 19 1 0 1 1 0 8 0 pfstkey 128 99 0 29 3 0 3 3 0 8 0 pfstate 384 95 0 23 8 0 8 8 0 8 0 pfrule 1344 25 0 20 2 1 1 2 0 8 0 art_heap8 4096 4 0 1 4 1 3 3 0 8 0 art_heap4 256 555 0 160 29 3 26 28 0 8 0 art_table 40 559 0 161 5 0 5 5 0 8 0 art_node 32 134 0 63 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 10 2 1 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 107 0 97 1 0 1 1 0 8 0 shmpl 112 28 0 1 1 0 1 1 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 3590 0 2087 95 0 95 95 0 8 0 ffsino 296 3590 0 2087 117 0 117 117 0 8 0 nchpl 144 5371 0 4825 63 39 24 63 0 8 0 rtmask 32 11 0 11 3 2 1 1 0 8 1 uvmvnodes 80 4261 0 0 87 0 87 87 0 8 0 vnodes 216 4261 0 0 237 0 237 237 0 8 0 namei 1024 18117 0 18116 6 5 1 2 0 8 0 percpumem 16 114 0 66 1 0 1 1 0 8 0 kstatmem 264 108 0 84 4 1 3 3 0 8 1 scsiplug 72 5 0 5 2 2 0 1 0 8 0 scxspl 216 60128 0 60128 12 10 2 7 1 8 2 plimitpl 152 319 0 299 1 0 1 1 0 8 0 sigapl 424 1537 0 1482 9 1 8 9 0 8 0 knotepl 120 604 0 0 19 0 19 19 0 8 0 kqueuepl 224 408 0 394 6 4 2 5 0 8 1 pipepl 344 259 0 231 10 7 3 9 0 8 0 fdescpl 528 1490 0 1460 3 0 3 3 0 8 0 filepl 160 9389 0 9157 25 13 12 19 0 8 1 lockfpl 104 488 0 482 2 1 1 2 0 8 0 lockfspl 48 152 0 149 1 0 1 1 0 8 0 sessionpl 144 29 0 20 1 0 1 1 0 8 0 pgrppl 48 63 0 46 1 0 1 1 0 8 0 ucredpl 104 1271 0 1257 1 0 1 1 0 8 0 zombiepl 144 1510 0 1508 1 0 1 1 0 8 0 processpl 1248 1537 0 1482 6 1 5 6 0 8 0 procpl 664 3427 0 3361 8 1 7 8 0 8 1 sosppl 168 9 0 9 3 3 0 1 0 8 0 sockpl 752 2160 0 2123 24 17 7 17 0 8 2 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 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 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 110 0 0 14 0 14 14 0 8 0 mcl2k 2048 23 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 236 0 0 15 0 15 15 0 8 0 bufpl 280 26662 0 20519 440 0 440 440 0 8 0 anonpl 32 14921 0 0 121 0 121 121 0 246 0 amapchunkpl 152 44089 0 43567 56 26 30 34 0 158 7 amappl16 200 8833 0 8700 79 55 24 33 0 8 6 amappl15 192 70 0 70 1 1 0 1 0 8 0 amappl14 184 125 0 113 1 0 1 1 0 8 0 amappl13 176 21 0 21 1 1 0 1 0 8 0 amappl12 168 2170 0 2140 4 2 2 3 0 8 0 amappl11 160 72 0 58 1 0 1 1 0 8 0 amappl10 152 9 0 9 1 1 0 1 0 8 0 amappl9 144 253 0 253 1 1 0 1 0 8 0 amappl8 136 22 0 19 1 0 1 1 0 8 0 amappl7 128 115 0 102 1 0 1 1 0 8 0 amappl6 120 191 0 188 1 0 1 1 0 8 0 amappl5 112 135 0 125 1 0 1 1 0 8 0 amappl4 104 329 0 309 1 0 1 1 0 8 0 amappl3 96 8669 0 8555 5 1 4 4 0 8 0 amappl2 88 725 0 658 2 0 2 2 0 8 0 amappl1 80 14263 0 13660 16 2 14 15 0 8 0 amappl 88 12039 0 11867 5 0 5 5 0 92 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 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 10 0 10 3 3 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 30 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1490 0 1460 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1490 0 1460 1 0 1 1 0 8 0 vmmpekpl 168 14211 0 14170 4 1 3 3 0 8 0 vmmpepl 168 105258 0 103183 144 28 116 121 0 357 1 vmsppl 488 1489 0 1459 6 2 4 5 0 8 0 rwobjpl 80 36587 0 31239 117 1 116 116 0 8 0 pdppl 4096 2988 0 2918 118 46 72 88 0 8 2 pvpl 32 24755 0 0 200 0 200 200 0 265 0 pmappl 256 1489 0 1459 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 314 0 73 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837feff0) 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_const_cmp4(20,20) at __sanitizer_cov_trace_const_cmp4+0x3a sys/dev/kcov.c:-1 pool_cache_put(ffffffff83877f60,fffffd805cfec068) at pool_cache_put+0x5e sys/kern/subr_pool.c:1931 amap_wipeout(fffffd805b1701d8) at amap_wipeout+0x248 sys/uvm/uvm_amap.c:-1 uvm_unmap_detach(ffff800038821a50,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 uvm_map_teardown(fffffd805f2deb98) at uvm_map_teardown+0x360 sys/uvm/uvm_map.c:2525 exit1(ffff8000ffff2a70,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff8000ffff2a70,ffff800038821c20,ffff800038821b70) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800038821c20) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038821c20) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d40add39900, count: 3 ddb{0}> trace x86_ipi_db(ffffffff837feff0) 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_const_cmp4(20,20) at __sanitizer_cov_trace_const_cmp4+0x3a sys/dev/kcov.c:-1 pool_cache_put(ffffffff83877f60,fffffd805cfec068) at pool_cache_put+0x5e sys/kern/subr_pool.c:1931 amap_wipeout(fffffd805b1701d8) at amap_wipeout+0x248 sys/uvm/uvm_amap.c:-1 uvm_unmap_detach(ffff800038821a50,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 uvm_map_teardown(fffffd805f2deb98) at uvm_map_teardown+0x360 sys/uvm/uvm_map.c:2525 exit1(ffff8000ffff2a70,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff8000ffff2a70,ffff800038821c20,ffff800038821b70) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800038821c20) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038821c20) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d40add39900, count: -12 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(ffffffff832e48e2) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_lookup() at ufs_lookup+0x1eda VOP_LOOKUP(fffffd800b0396c0,ffff80003c4c9350,ffff80003c4c9380) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c4c9320) at vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 namei(ffff80003c4c9320) at namei+0x7ca sys/kern/vfs_lookup.c:250 domkdirat(ffff80003c4fa038,ffffff9c,200000000340,180) at domkdirat+0x8b sys/kern/vfs_syscalls.c:3094 syscall(ffff80003c4c9500) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4c9500) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf5303737a60, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff832e48e2) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_lookup() at ufs_lookup+0x1eda VOP_LOOKUP(fffffd800b0396c0,ffff80003c4c9350,ffff80003c4c9380) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c4c9320) at vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 namei(ffff80003c4c9320) at namei+0x7ca sys/kern/vfs_lookup.c:250 domkdirat(ffff80003c4fa038,ffffff9c,200000000340,180) at domkdirat+0x8b sys/kern/vfs_syscalls.c:3094 syscall(ffff80003c4c9500) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4c9500) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf5303737a60, count: -9