panic: bad dir Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *456549 15689 -1 0x2010 0x4000000 0K syz-executor 461415 68863 0 0x2 0 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83372aa7) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_dirbadentry(ffff80003c5e3048,ffff80003c5e3048,9aa6b9c5e8fe865e) at ufs_dirbadentry VOP_LOOKUP(fffffd8009b33000,ffff80003c5e3218,ffff80003c5e3248) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c5e31e8) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80003c5e31e8) at namei+0x7aa sys/kern/vfs_lookup.c:250 sys_unveil(ffff80003c521c70,ffff80003c5e33d0,ffff80003c5e3320) at sys_unveil+0x329 sys/kern/vfs_syscalls.c:1011 syscall(ffff80003c5e33d0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c5e33d0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x19ea0a194d0, 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(ffffffff83372aa7) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_dirbadentry(ffff80003c5e3048,ffff80003c5e3048,9aa6b9c5e8fe865e) at ufs_dirbadentry VOP_LOOKUP(fffffd8009b33000,ffff80003c5e3218,ffff80003c5e3248) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c5e31e8) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80003c5e31e8) at namei+0x7aa sys/kern/vfs_lookup.c:250 sys_unveil(ffff80003c521c70,ffff80003c5e33d0,ffff80003c5e3320) at sys_unveil+0x329 sys/kern/vfs_syscalls.c:1011 syscall(ffff80003c5e33d0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c5e33d0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x19ea0a194d0, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c5e2e70 rbx 0xffffffff8385fdc7 cpu_info_full_primary+0x2dc7 rdx 0xffff80000145ca00 rcx 0xffff80003c521c70 rax 0xffffffff8385eff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x8a37ce32b510453a r11 0x5c7a63c8f28abc48 r12 0xffffffff8385fbc8 cpu_info_full_primary+0x2bc8 r13 0 r14 0 r15 0x1 rip 0xffffffff81132495 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c5e2e60 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=456549 pid=15689 tcnt=3 stat=onproc flags process=2010 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c521c70 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c520fa0,0xffff80003c5202e0 process=0xffff80003b4d1bb0 user=0xffff80003c5de000, vmspace=0xfffffd805eee8580 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 15689 70191 14781 -1 4 0x82010 syz-executor *15689 456549 14781 -1 7 0x4002010 syz-executor 15689 298454 14781 -1 4 0x4082010 syz-executor 2177 120147 67225 0 2 0 syz-executor 2177 287550 67225 0 3 0x4000080 kqread syz-executor 2177 300367 67225 0 2 0x4000000 syz-executor 5172 169436 98280 0 2 0 syz-executor 5172 415350 98280 0 2 0x4000000 syz-executor 5172 402339 98280 0 3 0x4000080 fsleep syz-executor 593 157118 7359 0 2 0x480 syz-executor 593 522760 7359 0 3 0x4000080 msgwait syz-executor 593 306799 7359 0 3 0x4000080 msgwait syz-executor 593 213805 7359 0 3 0x4000080 fsleep syz-executor 82345 265258 8972 0 2 0x480 syz-executor 82345 120533 8972 0 3 0x4000080 msgwait syz-executor 82345 97946 8972 0 3 0x4000080 msgwait syz-executor 82345 321622 8972 0 3 0x4000080 kqread syz-executor 82345 183561 8972 0 3 0x4000080 fsleep syz-executor 7359 127657 79642 0 3 0x82 nanoslp syz-executor 89760 19264 0 0 3 0x14280 nfsidl nfsio 48894 368790 0 0 3 0x14280 nfsidl nfsio 77221 54576 0 0 3 0x14280 nfsidl nfsio 25577 406390 0 0 3 0x14280 nfsidl nfsio 65721 115029 0 0 3 0x14280 nfsidl nfsio 71842 416076 0 0 3 0x14280 nfsidl nfsio 25390 428427 0 0 3 0x14280 nfsidl nfsio 91826 186711 0 0 3 0x14280 nfsidl nfsio 76903 257090 0 0 3 0x14280 nfsidl nfsio 49151 393883 0 0 3 0x14280 nfsidl nfsio 15868 45332 0 0 3 0x14280 nfsidl nfsio 13802 339478 0 0 3 0x14280 nfsidl nfsio 32990 462922 0 0 3 0x14280 nfsidl nfsio 82249 320726 0 0 3 0x14280 nfsidl nfsio 79563 119586 0 0 3 0x14280 nfsidl nfsio 69033 475786 0 0 3 0x14280 nfsidl nfsio 50686 496821 0 0 3 0x14280 nfsidl nfsio 54722 392805 0 0 3 0x14280 nfsidl nfsio 60478 284695 0 0 3 0x14280 nfsidl nfsio 16694 41002 0 0 3 0x14280 nfsidl nfsio 3883 195335 0 0 3 0x14200 bored sosplice 98280 426057 79642 0 3 0x82 nanoslp syz-executor 8365 129089 79642 0 2 0x2 syz-executor 81542 119306 79642 0 3 0x82 wait syz-executor 67225 98774 79642 0 3 0x82 nanoslp syz-executor 8972 54686 79642 0 3 0x82 nanoslp syz-executor 68863 461415 79642 0 7 0x2 syz-executor 14781 45611 79642 0 3 0x82 nanoslp syz-executor 79642 408635 71529 0 3 0x82 kqread syz-executor 71529 97146 64441 0 3 0x10008a sigsusp ksh 64441 198294 48835 0 3 0x98 kqread sshd-session 48835 504467 3490 0 3 0x92 kqread sshd-session 66090 102322 1 0 3 0x100083 ttyin getty 3490 261898 1 0 3 0x88 kqread sshd 55484 148616 97755 74 3 0x1100092 bpf pflogd 97755 365689 1 0 3 0x80 sbwait pflogd 54916 141612 54165 73 3 0x1100090 kqread syslogd 54165 289720 1 0 3 0x100082 sbwait syslogd 51842 232332 1 0 3 0x100080 kqread resolvd 93585 436019 49735 77 3 0x100092 kqread dhcpleased 34361 519349 49735 77 3 0x100092 kqread dhcpleased 49735 18511 1 0 3 0x80 kqread dhcpleased 52898 494947 0 0 3 0x14200 bored smr 24956 9439 0 0 2 0x14200 zerothread 45579 250086 0 0 3 0x14200 aiodoned aiodoned 49870 170300 0 0 3 0x14200 syncer update 44462 333760 0 0 3 0x14200 cleaner cleaner 24361 143350 0 0 3 0x14200 reaper reaper 44938 409389 0 0 3 0x14200 pgdaemon pagedaemon 80376 61961 0 0 3 0x14200 bored viomb 54377 4144 0 0 3 0x40014200 acpi0 acpi0 26090 278582 0 0 3 0x40014200 idle1 26753 141398 0 0 3 0x14200 bored softnet3 75680 478030 0 0 3 0x14200 bored softnet2 92848 272698 0 0 3 0x14200 bored softnet1 20238 281520 0 0 3 0x14200 bored softnet0 86489 373382 0 0 3 0x14200 bored systqmp 93954 511890 0 0 3 0x14200 bored systq 55880 222567 0 0 3 0x14200 tmoslp softclockmp 72336 429770 0 0 2 0x40014200 softclock 12218 26863 0 0 3 0x40014200 idle0 1 197354 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 15689 (syz-executor) thread 0xffff80003c521c70 (456549) Process 8365 (syz-executor) thread 0xffff8000ffffaa60 (129089) Process 68863 (syz-executor) thread 0xffff80002a2f8f68 (461415) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10218 11095K 11349K 166960K 12384 0 pcb 17 15K 17K 166960K 253 0 rtable 191 8K 9K 166960K 442 0 pf 38 18K 22K 166960K 113 0 ifaddr 39 6K 7K 166960K 76 0 ifgroup 63 2K 2K 166960K 116 0 sysctl 4 1K 3K 166960K 7 0 counters 68 36K 37K 166960K 126 0 ioctlops 0 0K 4K 166960K 1594 0 iov 0 0K 16K 166960K 34 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1470 92K 93K 166960K 2264 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 5K 166960K 14 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 28 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 93K 166960K 725 0 sigio 0 0K 0K 166960K 8 0 proc 72 91K 140K 166960K 627 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 1 0K 0K 166960K 75 0 in_multi 77 5K 7K 166960K 136 0 ether_multi 1 0K 0K 166960K 4 0 mrt 0 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 151 678K 678K 166960K 151 0 exec 0 0K 1K 166960K 532 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 247 168K 177K 166960K 8420 0 UVM aobj 28 2K 2K 166960K 29 0 pinsyscall 41 82K 106K 166960K 1874 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 54 0 NDP 14 0K 1K 166960K 52 0 temp 69 8689K 8754K 166960K 30890 0 kqueue 18 28K 28K 166960K 141 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 120 113 0 110 2 1 1 2 0 8 0 rtentry 168 128 0 47 5 0 5 5 0 8 0 unpcb 144 516 0 497 4 2 2 3 0 8 1 syncache 336 6 0 6 2 2 0 1 0 8 0 tcpcb 808 211 0 205 8 0 8 8 0 8 7 arp 120 21 0 6 1 0 1 1 0 8 0 inpcb 376 803 0 791 15 7 8 8 0 8 6 nd6 136 30 0 10 1 0 1 1 0 8 0 pkpcb 40 8 0 8 2 1 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 mppekey 1024 2 0 2 1 1 0 1 0 8 0 ppxss 1168 24 0 24 2 1 1 1 0 8 1 pppxif 1480 1 0 1 1 1 0 1 0 8 0 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 5 0 3 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 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pfstitem 24 54 0 11 1 0 1 1 0 8 0 pfstkey 128 54 0 11 2 0 2 2 0 8 0 pfstate 376 54 0 11 5 0 5 5 0 8 0 pfrule 1344 27 0 19 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 543 0 181 29 4 25 29 0 8 0 art_table 32 544 0 181 4 0 4 4 0 8 0 art_node 16 127 0 55 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 10 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 25 0 15 1 0 1 1 0 8 0 shmpl 112 26 0 1 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2806 0 1297 95 0 95 95 0 8 0 ffsino 280 2806 0 1297 109 0 109 109 0 8 0 nchpl 144 3825 0 2137 63 0 63 63 0 8 0 uvmvnodes 80 3443 0 0 71 0 71 71 0 8 0 vnodes 216 3443 0 0 192 0 192 192 0 8 0 namei 1024 13270 0 13267 2 1 1 1 0 8 0 percpumem 16 77 0 29 1 0 1 1 0 8 0 kstatmem 264 68 0 40 3 0 3 3 0 8 1 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 4 0 4 2 1 1 1 0 8 1 scxspl 216 13788 0 13788 10 9 1 8 1 8 1 plimitpl 152 127 0 109 1 0 1 1 0 8 0 sigapl 424 1059 0 990 10 1 9 9 0 8 0 futexpl 64 9606 0 9603 1 0 1 1 0 8 0 knotepl 120 477 0 0 15 0 15 15 0 8 0 kqueuepl 216 249 0 233 3 1 2 2 0 8 1 pipepl 328 188 0 160 6 3 3 6 0 8 0 fdescpl 504 1016 0 986 5 0 5 5 0 8 0 filepl 152 6550 0 6327 19 5 14 15 0 8 4 lockfpl 104 148 0 146 1 0 1 1 0 8 0 lockfspl 48 64 0 62 1 0 1 1 0 8 0 sessionpl 144 24 0 15 1 0 1 1 0 8 0 pgrppl 48 109 0 92 1 0 1 1 0 8 0 ucredpl 104 1227 0 1213 1 0 1 1 0 8 0 zombiepl 144 1083 0 1082 1 0 1 1 0 8 0 processpl 1176 1059 0 990 6 0 6 6 0 8 0 procpl 656 2098 0 2016 9 1 8 8 0 8 0 srpgc 96 4 0 4 1 1 0 1 0 8 0 sockpl 688 1444 0 1409 18 8 10 12 0 8 6 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 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 129 0 0 17 0 17 17 0 8 0 mcl2k 2048 28 0 0 4 0 4 4 0 8 0 mtagpl 96 18 0 0 1 0 1 1 0 8 0 mbufpl 256 251 0 0 16 0 16 16 0 8 0 bufpl 280 5614 0 124 393 0 393 393 0 8 0 anonpl 24 154947 0 151262 59 11 48 48 0 184 10 amapchunkpl 152 26392 0 25880 30 4 26 26 0 158 2 amappl16 200 3013 0 2980 28 13 15 15 0 8 8 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 122 0 110 1 0 1 1 0 8 0 amappl13 176 5 0 5 2 2 0 1 0 8 0 amappl12 168 1694 0 1664 3 1 2 2 0 8 0 amappl11 160 51 0 36 1 0 1 1 0 8 0 amappl10 152 3 0 3 1 1 0 1 0 8 0 amappl9 144 280 0 280 1 1 0 1 0 8 0 amappl8 136 28 0 25 1 0 1 1 0 8 0 amappl7 128 114 0 100 1 0 1 1 0 8 0 amappl6 120 189 0 186 1 0 1 1 0 8 0 amappl5 112 121 0 112 1 0 1 1 0 8 0 amappl4 104 336 0 316 1 0 1 1 0 8 0 amappl3 96 5337 0 5227 5 1 4 4 0 8 0 amappl2 88 675 0 614 2 0 2 2 0 8 0 amappl1 80 10922 0 10326 15 1 14 15 0 8 0 amappl 88 7552 0 7380 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 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 8 0 8 2 2 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 28 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1016 0 986 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1016 0 986 1 0 1 1 0 8 0 vmmpekpl 168 9921 0 9872 3 0 3 3 0 8 0 vmmpepl 168 69540 0 67577 113 10 103 103 0 357 9 vmsppl 456 1015 0 986 6 1 5 5 0 8 0 rwobjpl 64 23639 0 19229 75 0 75 75 0 8 0 pdppl 4096 2040 0 1972 106 34 72 86 0 8 4 pvpl 32 16184 0 0 133 2 131 131 0 265 0 pmappl 248 1015 0 986 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 298 0 46 8 0 8 8 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(ffffffff83372aa7) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_dirbadentry(ffff80003c5e3048,ffff80003c5e3048,9aa6b9c5e8fe865e) at ufs_dirbadentry VOP_LOOKUP(fffffd8009b33000,ffff80003c5e3218,ffff80003c5e3248) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c5e31e8) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80003c5e31e8) at namei+0x7aa sys/kern/vfs_lookup.c:250 sys_unveil(ffff80003c521c70,ffff80003c5e33d0,ffff80003c5e3320) at sys_unveil+0x329 sys/kern/vfs_syscalls.c:1011 syscall(ffff80003c5e33d0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c5e33d0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x19ea0a194d0, 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 __mp_lock(ffffffff838ecc68) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838ecc68) at __mp_lock+0x199 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff838ecc68,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 sleep_finish(0,1) at sleep_finish+0x24f sys/kern/kern_synch.c:412 biowait(fffffd806d02a248) at biowait+0xc1 sys/kern/vfs_bio.c:1246 bwrite(fffffd806d02a248) at bwrite+0x2e5 sys/kern/vfs_bio.c:758 ufs_dirremove(fffffd806ccc81e8,fffffd806ded68d8,800c,1) at ufs_dirremove+0x2ac sys/ufs/ufs/ufs_lookup.c:919 ufs_rmdir(ffff80002a3de608) at ufs_rmdir+0x287 sys/ufs/ufs/ufs_vnops.c:1248 VOP_RMDIR(fffffd806ccc81e8,fffffd8061a428b0,ffff80002a3de6e8) at VOP_RMDIR+0x19a sys/kern/vfs_vops.c:413 dounlinkat(ffff80002a2f8f68,ffffff9c,75bd077ccb60,8) at dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1899 syscall(ffff80002a3de860) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3de860) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff80002a3de8e0, count: 0 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 __mp_lock(ffffffff838ecc68) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838ecc68) at __mp_lock+0x199 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff838ecc68,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 sleep_finish(0,1) at sleep_finish+0x24f sys/kern/kern_synch.c:412 biowait(fffffd806d02a248) at biowait+0xc1 sys/kern/vfs_bio.c:1246 bwrite(fffffd806d02a248) at bwrite+0x2e5 sys/kern/vfs_bio.c:758 ufs_dirremove(fffffd806ccc81e8,fffffd806ded68d8,800c,1) at ufs_dirremove+0x2ac sys/ufs/ufs/ufs_lookup.c:919 ufs_rmdir(ffff80002a3de608) at ufs_rmdir+0x287 sys/ufs/ufs/ufs_vnops.c:1248 VOP_RMDIR(fffffd806ccc81e8,fffffd8061a428b0,ffff80002a3de6e8) at VOP_RMDIR+0x19a sys/kern/vfs_vops.c:413 dounlinkat(ffff80002a2f8f68,ffffff9c,75bd077ccb60,8) at dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1899 syscall(ffff80002a3de860) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3de860) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75bd077ccb50, count: -15