panic: ffs_valloc: dup alloc Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 469631 79987 0 0x10 0 0 syz-executor *145133 79987 0 0x10 0x4000000 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(fffffd806c83acd8,a1ed,fffffd80097fd410,ffff80003c3eb0a0) at ffs_inode_alloc+0x94e ufs_makeinode(a1ed,fffffd807a446390,ffff80003c3eb2f0,ffff80003c3eb320) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 ufs_symlink(ffff80003c3eb170) at ufs_symlink+0x54 sys/ufs/ufs/ufs_vnops.c:1293 VOP_SYMLINK(fffffd807a446390,ffff80003c3eb2f0,ffff80003c3eb320,ffff80003c3eb220,ffff80002a234400) at VOP_SYMLINK+0x119 sys/kern/vfs_vops.c:432 dosymlinkat(ffff80002a2407e0,200000000000,ffffff9c,200000000040) at dosymlinkat+0x1e0 sys/kern/vfs_syscalls.c:1841 syscall(ffff80003c3eb4a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3eb4a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfe51dbe5890, 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: 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(fffffd806c83acd8,a1ed,fffffd80097fd410,ffff80003c3eb0a0) at ffs_inode_alloc+0x94e ufs_makeinode(a1ed,fffffd807a446390,ffff80003c3eb2f0,ffff80003c3eb320) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 ufs_symlink(ffff80003c3eb170) at ufs_symlink+0x54 sys/ufs/ufs/ufs_vnops.c:1293 VOP_SYMLINK(fffffd807a446390,ffff80003c3eb2f0,ffff80003c3eb320,ffff80003c3eb220,ffff80002a234400) at VOP_SYMLINK+0x119 sys/kern/vfs_vops.c:432 dosymlinkat(ffff80002a2407e0,200000000000,ffffff9c,200000000040) at dosymlinkat+0x1e0 sys/kern/vfs_syscalls.c:1841 syscall(ffff80003c3eb4a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3eb4a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfe51dbe5890, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c3eae30 rbx 0xffff8000299bee07 rdx 0xffff8000015f9b00 rcx 0xffff80002a2407e0 rax 0xffff8000299bdff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x16a3218bedc0e861 r11 0x78b4a0b70e59c0cb r12 0xffff8000299bec08 r13 0 r14 0 r15 0x1 rip 0xffffffff812dea15 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c3eae20 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=145133 pid=79987 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a240d10,0xffff80002a240028 process=0xffff8000ffff61b8 user=0xffff80003c3e6000, vmspace=0xfffffd806c8b2d70 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 9270 211830 64537 0 2 0 syz-executor 79987 469631 85808 0 7 0x10 syz-executor *79987 145133 85808 0 7 0x4000010 syz-executor 54301 40330 83764 0 2 0x2 ifconfig 83764 87310 15583 0 3 0x10008a sigsusp sh 15583 429470 55083 0 3 0x82 wait syz-executor 12687 67076 53779 0 2 0 syz-executor 12687 189446 53779 0 3 0x4000080 fsleep syz-executor 33784 307755 56496 0 2 0x11 syz-executor 33784 91880 56496 0 3 0x4000091 fsleep syz-executor 86736 397823 78761 0 2 0 syz-executor 86736 453063 78761 0 3 0x4000080 fsleep syz-executor 94609 171200 27000 0 2 0 syz-executor 94609 363563 27000 0 3 0x4000080 fsleep syz-executor 39200 200959 84473 0 3 0x80 nanoslp syz-executor 39200 391548 84473 0 3 0x4000080 netcon syz-executor 39200 399142 84473 0 3 0x4000080 msgwait syz-executor 39200 224156 84473 0 3 0x4000080 fsleep syz-executor 76812 424610 0 0 3 0x14280 nfsidl nfsio 37129 375454 0 0 3 0x14280 nfsidl nfsio 49843 314147 0 0 3 0x14280 nfsidl nfsio 53724 289813 0 0 3 0x14280 nfsidl nfsio 61662 59841 0 0 3 0x14280 nfsidl nfsio 43887 268968 0 0 3 0x14280 nfsidl nfsio 98432 430887 0 0 3 0x14280 nfsidl nfsio 74870 438770 0 0 3 0x14280 nfsidl nfsio 85230 225919 0 0 3 0x14280 nfsidl nfsio 54863 337710 0 0 3 0x14280 nfsidl nfsio 74256 518120 0 0 3 0x14280 nfsidl nfsio 50633 105031 0 0 3 0x14280 nfsidl nfsio 96403 492122 0 0 3 0x14280 nfsidl nfsio 40572 146523 0 0 3 0x14280 nfsidl nfsio 18160 446124 0 0 3 0x14280 nfsidl nfsio 1605 453004 0 0 3 0x14280 nfsidl nfsio 18154 462103 0 0 3 0x14280 nfsidl nfsio 78604 404769 0 0 3 0x14280 nfsidl nfsio 69308 174007 0 0 3 0x14280 nfsidl nfsio 85261 284643 0 0 3 0x14280 nfsidl nfsio 85808 151567 55083 0 3 0x82 nanoslp syz-executor 27000 445287 55083 0 3 0x82 nanoslp syz-executor 78761 70981 55083 0 3 0x82 nanoslp syz-executor 64537 22520 55083 0 3 0x82 nanoslp syz-executor 53779 375253 55083 0 3 0x82 nanoslp syz-executor 56496 385820 55083 0 3 0x82 nanoslp syz-executor 84473 451419 55083 0 3 0x82 nanoslp syz-executor 55083 214733 96391 0 3 0x82 kqread syz-executor 96391 313798 58493 0 3 0x10008a sigsusp ksh 58493 100267 19966 0 3 0x98 kqread sshd-session 19966 482372 7778 0 3 0x92 kqread sshd-session 51347 242727 1 0 3 0x100083 ttyin getty 7778 491121 1 0 3 0x88 kqread sshd 17653 368082 2609 74 3 0x1100092 bpf pflogd 2609 512910 1 0 3 0x80 sbwait pflogd 53596 341578 86986 73 3 0x1100090 kqread syslogd 86986 356345 1 0 3 0x100082 sbwait syslogd 28785 361734 1 0 3 0x100080 kqread resolvd 60073 413507 41491 77 3 0x100092 kqread dhcpleased 13289 512862 41491 77 3 0x100092 kqread dhcpleased 41491 196332 1 0 3 0x80 kqread dhcpleased 47025 60799 0 0 3 0x14200 pause smr 6241 344253 0 0 2 0x14200 zerothread 46421 234326 0 0 3 0x14200 aiodoned aiodoned 12051 220393 0 0 3 0x14200 syncer update 60754 143698 0 0 3 0x14200 cleaner cleaner 78914 456325 0 0 3 0x14200 reaper reaper 24163 1803 0 0 3 0x14200 pgdaemon pagedaemon 6500 130360 0 0 3 0x14200 bored viomb 1474 498709 0 0 3 0x40014200 acpi0 acpi0 49092 451255 0 0 3 0x40014200 idle1 61326 504721 0 0 3 0x14200 bored softnet1 27845 151217 0 0 3 0x14200 bored softnet0 23406 363888 0 0 3 0x14200 smrbar systqmp 67093 160241 0 0 3 0x14200 bored systq 84222 486571 0 0 3 0x14200 tmoslp softclockmp 76766 214613 0 0 3 0x40014200 tmoslp softclock 92692 97702 0 0 3 0x40014200 idle0 1 71472 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 79987 (syz-executor) thread 0xffff80002a2407e0 (145133) exclusive rrwlock inode r = 0 (0xfffffd806c83a1e8) #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_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 #8 ufs_symlink+0x54 sys/ufs/ufs/ufs_vnops.c:1293 #9 VOP_SYMLINK+0x119 sys/kern/vfs_vops.c:432 #10 dosymlinkat+0x1e0 sys/kern/vfs_syscalls.c:1841 #11 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c83ad78) #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 dosymlinkat+0xef sys/kern/vfs_syscalls.c:1827 #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 23406 (systqmp) thread 0xffff8000ffffecf8 (363888) 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 11065 12212K 12410K 166960K 12265 0 pcb 18 12K 12K 166960K 20 0 rtable 221 8K 9K 166960K 369 0 pf 33 17K 18K 166960K 50 0 ifaddr 39 6K 7K 166960K 47 0 ifgroup 51 2K 2K 166960K 63 0 sysctl 1 1K 9K 166960K 6 0 counters 68 36K 37K 166960K 74 0 ioctlops 0 0K 4K 166960K 1493 0 iov 0 0K 8K 166960K 1 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1293 81K 82K 166960K 1401 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 4 0K 0K 166960K 4 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 19 69K 89K 166960K 184 0 sigio 0 0K 0K 166960K 1 0 proc 79 131K 164K 166960K 568 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 7 0 in_multi 88 6K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 49 228K 228K 166960K 49 0 exec 0 0K 1K 166960K 383 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 233 168K 193K 166960K 3523 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 44 88K 104K 166960K 1335 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 3 0 NDP 11 0K 1K 166960K 30 0 temp 36 9074K 9142K 166960K 7563 0 kqueue 13 20K 25K 166960K 36 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 43 0 38 1 0 1 1 0 8 0 rtentry 176 112 0 13 6 0 6 6 0 8 1 unpcb 144 53 0 34 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 24 0 17 1 0 1 1 0 8 0 arp 136 18 0 2 1 0 1 1 0 8 0 inpcb 328 104 0 89 2 0 2 2 0 8 0 nd6 152 24 0 3 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 pfstscr 40 1 0 1 1 0 1 1 0 8 1 pffrag 232 1 0 1 1 0 1 1 0 482 1 pffrnode 88 1 0 1 1 0 1 1 0 8 1 pffrent 40 3 0 3 1 0 1 1 0 8 1 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 21 0 0 1 0 1 1 0 8 0 pfstkey 128 23 0 2 1 0 1 1 0 8 0 pfstate 448 22 0 1 3 0 3 3 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 451 0 0 29 0 29 29 0 8 0 art_table 40 452 0 0 5 0 5 5 0 8 0 art_node 32 111 0 21 1 0 1 1 0 8 0 semapl 112 2 0 0 1 0 1 1 0 8 0 shmpl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1646 0 176 93 0 93 93 0 8 0 ffsino 296 1646 0 176 114 0 114 114 0 8 0 nchpl 144 1913 0 210 64 0 64 64 0 8 0 vnodes 216 1760 0 0 98 0 98 98 0 8 0 namei 1024 5886 0 5884 2 0 2 2 0 8 1 percpumem 16 52 0 3 1 0 1 1 0 8 0 kstatmem 264 30 0 6 2 0 2 2 0 8 0 scxspl 216 6522 0 6522 4 1 3 3 1 8 3 plimitpl 152 31 0 14 1 0 1 1 0 8 0 sigapl 424 516 0 447 8 0 8 8 0 8 0 knotepl 120 300 0 0 10 0 10 10 0 8 0 kqueuepl 224 35 0 26 1 0 1 1 0 8 0 pipepl 344 126 0 99 3 0 3 3 0 8 0 fdescpl 528 480 0 447 3 0 3 3 0 8 0 filepl 160 1822 0 1592 11 0 11 11 0 8 0 lockfpl 104 21 0 19 1 0 1 1 0 8 0 lockfspl 48 12 0 10 1 0 1 1 0 8 0 sessionpl 144 29 0 19 1 0 1 1 0 8 0 pgrppl 48 39 0 21 1 0 1 1 0 8 0 ucredpl 104 165 0 149 1 0 1 1 0 8 0 zombiepl 144 447 0 447 1 0 1 1 0 8 1 processpl 1232 516 0 447 6 0 6 6 0 8 0 procpl 664 587 0 510 8 0 8 8 0 8 1 sockpl 752 201 0 162 5 0 5 5 0 8 1 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 116 0 0 15 0 15 15 0 8 0 mcl2k 2048 25 0 0 4 0 4 4 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 185 0 0 12 0 12 12 0 8 0 bufpl 280 2472 0 105 170 0 170 170 0 8 0 anonpl 32 5848 0 0 48 0 48 48 0 246 0 amapchunkpl 152 9826 0 9373 26 0 26 26 0 158 7 amappl16 200 1640 0 1619 5 2 3 5 0 8 1 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 435 0 433 1 0 1 1 0 8 0 amappl13 176 119 0 107 1 0 1 1 0 8 0 amappl12 168 728 0 697 2 0 2 2 0 8 0 amappl11 160 4 0 4 1 1 0 1 0 8 0 amappl10 152 68 0 54 1 0 1 1 0 8 0 amappl9 144 268 0 267 1 0 1 1 0 8 0 amappl8 136 101 0 97 1 0 1 1 0 8 0 amappl7 128 145 0 132 1 0 1 1 0 8 0 amappl6 120 180 0 177 1 0 1 1 0 8 0 amappl5 112 93 0 82 1 0 1 1 0 8 0 amappl4 104 288 0 266 1 0 1 1 0 8 0 amappl3 96 1736 0 1629 4 0 4 4 0 8 1 amappl2 88 533 0 472 2 0 2 2 0 8 0 amappl1 80 9880 0 9268 17 1 16 16 0 8 2 amappl 88 2790 0 2633 5 0 5 5 0 92 0 uvmvnodes 80 101 0 0 3 0 3 3 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 480 0 447 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 480 0 447 1 0 1 1 0 8 0 vmmpekpl 168 5848 0 5812 2 0 2 2 0 8 0 vmmpepl 168 39192 0 37274 97 0 97 97 0 357 12 vmsppl 488 479 0 447 5 0 5 5 0 8 0 rwobjpl 80 14321 0 13293 26 0 26 26 0 8 3 pdppl 4096 967 0 894 95 22 73 83 0 8 0 pvpl 32 14145 0 0 115 0 115 115 0 265 0 pmappl 256 479 0 447 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 270 0 25 7 0 7 7 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 end of kernel end trace frame: 0x7697842c5fb0, count: 12 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 end of kernel end trace frame: 0x7697842c5fb0, count: -3 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(fffffd806c83acd8,a1ed,fffffd80097fd410,ffff80003c3eb0a0) at ffs_inode_alloc+0x94e ufs_makeinode(a1ed,fffffd807a446390,ffff80003c3eb2f0,ffff80003c3eb320) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 ufs_symlink(ffff80003c3eb170) at ufs_symlink+0x54 sys/ufs/ufs/ufs_vnops.c:1293 VOP_SYMLINK(fffffd807a446390,ffff80003c3eb2f0,ffff80003c3eb320,ffff80003c3eb220,ffff80002a234400) at VOP_SYMLINK+0x119 sys/kern/vfs_vops.c:432 dosymlinkat(ffff80002a2407e0,200000000000,ffffff9c,200000000040) at dosymlinkat+0x1e0 sys/kern/vfs_syscalls.c:1841 syscall(ffff80003c3eb4a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3eb4a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfe51dbe5890, count: 6 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(fffffd806c83acd8,a1ed,fffffd80097fd410,ffff80003c3eb0a0) at ffs_inode_alloc+0x94e ufs_makeinode(a1ed,fffffd807a446390,ffff80003c3eb2f0,ffff80003c3eb320) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 ufs_symlink(ffff80003c3eb170) at ufs_symlink+0x54 sys/ufs/ufs/ufs_vnops.c:1293 VOP_SYMLINK(fffffd807a446390,ffff80003c3eb2f0,ffff80003c3eb320,ffff80003c3eb220,ffff80002a234400) at VOP_SYMLINK+0x119 sys/kern/vfs_vops.c:432 dosymlinkat(ffff80002a2407e0,200000000000,ffffff9c,200000000040) at dosymlinkat+0x1e0 sys/kern/vfs_syscalls.c:1841 syscall(ffff80003c3eb4a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3eb4a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfe51dbe5890, count: -9