panic: ffs_valloc: dup alloc Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 152696 84766 0 0 0 0 syz-executor *387233 56175 0 0x2 0 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83432dd2) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806f88dbc8,41c0,fffffd80097fd548,ffff80002a322448) at ffs_inode_alloc+0x94e ufs_mkdir(ffff80002a3224b0) at ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 VOP_MKDIR(fffffd80700578a0,ffff80002a322610,ffff80002a322640,ffff80002a322540) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 domkdirat(ffff80003c3d8550,ffffff9c,79b3f9f88540,1c0) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 syscall(ffff80002a3227c0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3227c0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79b3f9f88500, count: 7 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: ffs_valloc: dup alloc ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83432dd2) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806f88dbc8,41c0,fffffd80097fd548,ffff80002a322448) at ffs_inode_alloc+0x94e ufs_mkdir(ffff80002a3224b0) at ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 VOP_MKDIR(fffffd80700578a0,ffff80002a322610,ffff80002a322640,ffff80002a322540) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 domkdirat(ffff80003c3d8550,ffffff9c,79b3f9f88540,1c0) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 syscall(ffff80002a3227c0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3227c0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79b3f9f88500, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a3221c0 rbx 0xffff8000299bee07 rdx 0 rcx 0xffff80003c3d8550 rax 0xffff8000299bdff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x2b70c00282e2e861 r11 0x3a364959f3826656 r12 0xffff8000299bec08 r13 0 r14 0 r15 0x1 rip 0xffffffff812dea15 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a3221b0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=387233 pid=56175 tcnt=1 stat=onproc flags process=2 proc=0 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c3d8020,0xffff80003c3d87f8 process=0xffff80002a39c4e8 user=0xffff80002a31d000, vmspace=0xfffffd806f5b9990 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 84766 152696 54106 0 7 0 syz-executor *56175 387233 64717 0 7 0x2 syz-executor 60174 250424 60540 0 3 0x80 nanoslp syz-executor 60174 83532 60540 0 3 0x4000080 wsevent_read syz-executor 60174 198072 60540 0 3 0x4000080 fsleep syz-executor 1711 124643 75206 0 3 0x80 nanoslp syz-executor 1711 130182 75206 0 3 0x4000080 sbwait syz-executor 1711 164831 75206 0 3 0x4000080 fsleep syz-executor 60540 37647 64717 0 3 0x82 nanoslp syz-executor 54106 224576 64717 0 3 0x82 nanoslp syz-executor 75206 328308 64717 0 3 0x82 nanoslp syz-executor 64717 94625 31123 0 3 0x82 wait syz-executor 31123 283287 8152 0 3 0x10008a sigsusp ksh 8152 200841 14238 0 3 0x98 kqread sshd-session 14238 413249 36801 0 3 0x92 kqread sshd-session 29941 339251 1 0 3 0x100083 ttyin getty 36801 190903 1 0 3 0x88 kqread sshd 92464 407270 86849 74 3 0x1100092 bpf pflogd 86849 465239 1 0 3 0x80 sbwait pflogd 80497 131275 25035 73 3 0x1100090 kqread syslogd 25035 421020 1 0 3 0x100082 sbwait syslogd 94727 337727 1 0 3 0x100080 kqread resolvd 25407 228565 23721 77 3 0x100092 kqread dhcpleased 73338 479665 23721 77 3 0x100092 kqread dhcpleased 23721 95554 1 0 3 0x80 kqread dhcpleased 92359 210378 0 0 3 0x14200 bored smr 37890 148478 0 0 3 0x14200 pgzero zerothread 38763 307934 0 0 3 0x14200 aiodoned aiodoned 76716 261934 0 0 3 0x14200 syncer update 94760 470077 0 0 3 0x14200 cleaner cleaner 74537 450329 0 0 3 0x14200 reaper reaper 14293 93063 0 0 3 0x14200 pgdaemon pagedaemon 89692 518434 0 0 3 0x14200 bored viomb 95123 285302 0 0 3 0x40014200 acpi0 acpi0 41957 518992 0 0 3 0x40014200 idle1 67689 500488 0 0 3 0x14200 bored softnet1 53571 248902 0 0 2 0x14200 softnet0 44119 180521 0 0 3 0x14200 smrbar systqmp 43377 352357 0 0 3 0x14200 bored systq 19639 361108 0 0 3 0x14200 tmoslp softclockmp 10535 165096 0 0 3 0x40014200 tmoslp softclock 463 284880 0 0 3 0x40014200 idle0 1 475863 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 56175 (syz-executor) thread 0xffff80003c3d8550 (387233) exclusive rrwlock inode r = 0 (0xfffffd806c8187b0) #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+0xbd sys/kern/vfs_vops.c:527 #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:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806f88dc68) #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+0xbd 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:3128 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839d8540) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] #1 syscall+0xaf4 sys/arch/amd64/amd64/trap.c:783 #2 Xsyscall+0x128 Process 60174 (syz-executor) thread 0xffff8000fffee2b0 (83532) exclusive rrwlock inode r = 0 (0xfffffd806f0746e0) #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+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 spec_open+0x2f2 sys/kern/spec_vnops.c:151 #6 VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 #7 vn_open+0x6a0 sys/kern/vfs_vnops.c:177 #8 vndioctl+0xc43 sys/dev/vnd.c:458 #9 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #10 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #11 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #12 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #13 Xsyscall+0x128 Process 44119 (systqmp) thread 0xffff8000ffffea60 (180521) shared rwlock systqmp r = 0 (0xffffffff838fa808) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 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 11058 12155K 12354K 166960K 12228 0 pcb 17 12K 12K 166960K 21 0 rtable 220 6K 7K 166960K 356 0 pf 32 17K 18K 166960K 47 0 ifaddr 39 6K 7K 166960K 46 0 ifgroup 51 2K 2K 166960K 57 0 sysctl 3 1K 9K 166960K 9 0 counters 68 36K 37K 166960K 74 0 ioctlops 0 0K 4K 166960K 1522 0 iov 0 0K 4K 166960K 2 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1292 81K 82K 166960K 1378 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 13 42K 93K 166960K 158 0 proc 70 115K 180K 166960K 552 0 subproc 63 3K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 2 0 in_multi 88 6K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 31 148K 148K 166960K 31 0 exec 0 0K 1K 166960K 382 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 193 150K 168K 166960K 3346 0 UVM aobj 4 2K 2K 166960K 5 0 pinsyscall 38 76K 105K 166960K 1297 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 1 0 NDP 11 0K 2K 166960K 29 0 temp 31 9074K 9140K 166960K 4180 0 kqueue 13 20K 24K 166960K 29 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 34 0 31 1 0 1 1 0 8 0 rtentry 176 112 0 12 6 0 6 6 0 8 1 unpcb 144 49 0 30 1 0 1 1 0 8 0 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 736 18 0 13 1 0 1 1 0 8 0 arp 136 18 0 2 1 0 1 1 0 8 0 inpcb 328 88 0 80 2 0 2 2 0 8 1 nd6 152 25 0 3 1 0 1 1 0 8 0 kcovpl 48 8 0 1 1 0 1 1 0 8 0 ppxss 1192 2 0 2 1 0 1 1 0 8 1 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 2 0 0 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 pfstitem 24 20 0 0 1 0 1 1 0 8 0 pfstkey 128 20 0 0 1 0 1 1 0 8 0 pfstate 448 20 0 0 3 0 3 3 0 8 0 pfrule 1360 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 454 0 0 29 0 29 29 0 8 0 art_table 40 455 0 0 5 0 5 5 0 8 0 art_node 32 112 0 12 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 0 1 1 0 8 1 shmpl 112 2 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1604 0 139 92 0 92 92 0 8 0 ffsino 296 1608 0 143 114 0 114 114 0 8 1 nchpl 144 1823 0 127 64 0 64 64 0 8 0 rtmask 32 1 0 1 1 0 1 1 0 8 1 vnodes 216 1706 0 0 95 0 95 95 0 8 0 namei 1024 5533 0 5532 2 0 2 2 0 8 1 percpumem 16 52 0 3 1 0 1 1 0 8 0 kstatmem 264 28 0 4 2 0 2 2 0 8 0 scxspl 216 6269 0 6269 3 2 1 2 1 8 1 plimitpl 152 30 0 13 1 0 1 1 0 8 0 sigapl 424 470 0 427 7 0 7 7 0 8 1 knotepl 120 62 0 0 2 0 2 2 0 8 0 kqueuepl 224 24 0 15 1 0 1 1 0 8 0 pipepl 344 126 0 99 3 0 3 3 0 8 0 fdescpl 528 454 0 427 3 0 3 3 0 8 0 filepl 160 1643 0 1444 10 0 10 10 0 8 0 lockfpl 104 17 0 14 1 0 1 1 0 8 0 lockfspl 48 10 0 7 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 31 0 14 1 0 1 1 0 8 0 ucredpl 104 81 0 67 1 0 1 1 0 8 0 zombiepl 144 431 0 427 1 0 1 1 0 8 0 processpl 1232 470 0 427 5 0 5 5 0 8 1 procpl 664 517 0 470 6 0 6 6 0 8 1 sockpl 752 171 0 141 4 0 4 4 0 8 0 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 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 132 0 0 17 0 17 17 0 8 0 mcl2k 2048 20 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 136 0 0 9 0 9 9 0 8 0 bufpl 280 2452 0 105 168 0 168 168 0 8 0 anonpl 32 3916 0 0 32 0 32 32 0 246 0 amapchunkpl 152 9194 0 8847 21 0 21 21 0 158 3 amappl16 200 1963 0 1948 5 1 4 5 0 8 2 amappl15 192 8 0 8 2 2 0 1 0 8 0 amappl14 184 436 0 435 1 0 1 1 0 8 0 amappl13 176 117 0 105 1 0 1 1 0 8 0 amappl12 168 699 0 674 2 0 2 2 0 8 0 amappl10 152 66 0 52 1 0 1 1 0 8 0 amappl9 144 272 0 272 1 1 0 1 0 8 0 amappl8 136 100 0 98 1 0 1 1 0 8 0 amappl7 128 149 0 136 1 0 1 1 0 8 0 amappl6 120 171 0 169 1 0 1 1 0 8 0 amappl5 112 95 0 85 1 0 1 1 0 8 0 amappl4 104 289 0 270 1 0 1 1 0 8 0 amappl3 96 1590 0 1510 3 0 3 3 0 8 0 amappl2 88 522 0 460 2 0 2 2 0 8 0 amappl1 80 9349 0 8761 15 1 14 14 0 8 0 amappl 88 2630 0 2507 4 0 4 4 0 92 0 uvmvnodes 80 98 0 0 2 0 2 2 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 4 0 1 1 0 1 1 0 8 0 uaddrrnd 24 454 0 427 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 454 0 427 1 0 1 1 0 8 0 vmmpekpl 168 5531 0 5493 2 0 2 2 0 8 0 vmmpepl 168 37251 0 35602 88 0 88 88 0 357 5 vmsppl 488 453 0 427 5 0 5 5 0 8 1 rwobjpl 80 13940 0 12975 23 0 23 23 0 8 0 pdppl 4096 915 0 854 97 22 75 85 0 8 14 pvpl 32 9666 0 0 78 0 78 78 0 265 0 pmappl 256 453 0 427 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 269 0 25 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8388bff0) 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(ffffffff839d7d40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839d7d40) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff839d7d40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839d7d40) at __mp_lock+0x192 sys/kern/kern_lock.c:173 sys_mmap(ffff80003c3d87e8,ffff8000357b7130,ffff8000357b7080) at sys_mmap+0x63b sys/uvm/uvm_mmap.c:292 syscall(ffff8000357b7130) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000357b7130) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78fd26c63820, count: 4 ddb{0}> trace x86_ipi_db(ffffffff8388bff0) 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(ffffffff839d7d40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839d7d40) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff839d7d40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839d7d40) at __mp_lock+0x192 sys/kern/kern_lock.c:173 sys_mmap(ffff80003c3d87e8,ffff8000357b7130,ffff8000357b7080) at sys_mmap+0x63b sys/uvm/uvm_mmap.c:292 syscall(ffff8000357b7130) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000357b7130) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78fd26c63820, count: -11 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(ffffffff83432dd2) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806f88dbc8,41c0,fffffd80097fd548,ffff80002a322448) at ffs_inode_alloc+0x94e ufs_mkdir(ffff80002a3224b0) at ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 VOP_MKDIR(fffffd80700578a0,ffff80002a322610,ffff80002a322640,ffff80002a322540) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 domkdirat(ffff80003c3d8550,ffffff9c,79b3f9f88540,1c0) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 syscall(ffff80002a3227c0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3227c0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79b3f9f88500, count: 7 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83432dd2) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806f88dbc8,41c0,fffffd80097fd548,ffff80002a322448) at ffs_inode_alloc+0x94e ufs_mkdir(ffff80002a3224b0) at ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 VOP_MKDIR(fffffd80700578a0,ffff80002a322610,ffff80002a322640,ffff80002a322540) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 domkdirat(ffff80003c3d8550,ffffff9c,79b3f9f88540,1c0) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 syscall(ffff80002a3227c0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3227c0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79b3f9f88500, count: -8