panic: missing alias Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *422983 82575 0 0x2 0 0K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8334e821) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd80698a3128,ffff8000ffff3c40) at vgonel+0x681 sys/kern/vfs_subr.c:1217 vrecycle(fffffd80698a3128,ffff8000ffff3c40) at vrecycle+0x7c sys/kern/vfs_subr.c:1143 ufs_inactive(ffff80002a317ef8) at ufs_inactive+0x360 sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd80698a3128,ffff8000ffff3c40) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:498 vput(fffffd80698a3128) at vput+0xe5 sys/kern/vfs_subr.c:796 VOP_REMOVE(fffffd805de17480,fffffd80698a3128,ffff80002a318078) at VOP_REMOVE+0x19d sys/kern/vfs_vops.c:336 dounlinkat(ffff8000ffff3c40,ffffff9c,7b66660d08d0,0) at dounlinkat+0x177 sys/kern/vfs_syscalls.c:1900 syscall(ffff80002a3181f0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3181f0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b66660d0d80, count: 4 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: missing alias ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8334e821) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd80698a3128,ffff8000ffff3c40) at vgonel+0x681 sys/kern/vfs_subr.c:1217 vrecycle(fffffd80698a3128,ffff8000ffff3c40) at vrecycle+0x7c sys/kern/vfs_subr.c:1143 ufs_inactive(ffff80002a317ef8) at ufs_inactive+0x360 sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd80698a3128,ffff8000ffff3c40) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:498 vput(fffffd80698a3128) at vput+0xe5 sys/kern/vfs_subr.c:796 VOP_REMOVE(fffffd805de17480,fffffd80698a3128,ffff80002a318078) at VOP_REMOVE+0x19d sys/kern/vfs_vops.c:336 dounlinkat(ffff8000ffff3c40,ffffff9c,7b66660d08d0,0) at dounlinkat+0x177 sys/kern/vfs_syscalls.c:1900 syscall(ffff80002a3181f0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3181f0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b66660d0d80, count: -11 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a317d30 rbx 0xffffffff838afdd7 cpu_info_full_primary+0x2dd7 rdx 0 rcx 0xffff8000ffff3c40 rax 0xffffffff838aeff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x9727a4557bcb9784 r11 0x8ef80c594c699459 r12 0xffffffff838afbd8 cpu_info_full_primary+0x2bd8 r13 0 r14 0 r15 0x1 rip 0xffffffff81788ae5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a317d20 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=422983 pid=82575 tcnt=1 stat=onproc flags process=2 proc=0 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff39b0,0xffff8000ffff0d00 process=0xffff8000ffff5840 user=0xffff80002a313000, vmspace=0xfffffd806d490d30 estcpu=36, cpticks=0, pctcpu=0.0, user=2, sys=41, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 43883 287617 96145 0 2 0 syz-executor 43883 163795 96145 0 3 0x4000080 fsleep syz-executor 38780 430883 29114 0 2 0 syz-executor 38780 73814 29114 0 3 0x4000080 fsleep syz-executor 79028 243836 57268 0 2 0x100002 sh 57268 360975 58532 0 3 0x82 wait syz-executor 61953 442325 0 0 3 0x14200 acct acct 45844 153176 1 0 3 0x100083 ttyin getty 6367 72812 58532 0 2 0x2 syz-executor 86807 36463 58532 0 3 0x82 nanoslp syz-executor 57709 70041 58532 0 3 0x82 nanoslp syz-executor 42456 519529 0 0 3 0x14200 bored sosplice 29114 441797 58532 0 3 0x82 nanoslp syz-executor 96145 367991 58532 0 3 0x82 nanoslp syz-executor *82575 422983 58532 0 7 0x2 syz-executor 51710 256904 58532 0 2 0x2 syz-executor 58532 4626 82238 0 3 0x82 kqread syz-executor 82238 378779 15762 0 3 0x10008a sigsusp ksh 15762 156032 17317 0 3 0x98 kqread sshd-session 17317 76259 81737 0 3 0x92 kqread sshd-session 81737 2776 1 0 3 0x88 kqread sshd 43100 352068 3352 74 3 0x1100092 bpf pflogd 3352 43877 1 0 3 0x80 sbwait pflogd 54060 316517 41922 73 3 0x1100090 kqread syslogd 41922 249035 1 0 3 0x100082 sbwait syslogd 89739 356848 1 0 3 0x100080 kqread resolvd 66266 328576 8081 77 3 0x100092 kqread dhcpleased 71070 98511 8081 77 3 0x100092 kqread dhcpleased 8081 4219 1 0 3 0x80 kqread dhcpleased 90594 67267 0 0 3 0x14200 bored smr 94675 138627 0 0 2 0x14200 zerothread 82838 20084 0 0 3 0x14200 aiodoned aiodoned 61109 455239 0 0 3 0x14200 syncer update 84563 388386 0 0 3 0x14200 cleaner cleaner 86609 456904 0 0 3 0x14200 reaper reaper 70409 268235 0 0 3 0x14200 pgdaemon pagedaemon 37830 321836 0 0 3 0x14200 bored viomb 5526 413026 0 0 3 0x40014200 acpi0 acpi0 75212 234750 0 0 7 0x40014200 idle1 51523 12696 0 0 3 0x14200 bored softnet3 95647 430951 0 0 3 0x14200 bored softnet2 70134 328554 0 0 3 0x14200 bored softnet1 53285 2959 0 0 3 0x14200 bored softnet0 38752 64458 0 0 3 0x14200 bored systqmp 67627 239160 0 0 3 0x14200 bored systq 10433 492767 0 0 3 0x14200 tmoslp softclockmp 47396 43993 0 0 3 0x40014200 tmoslp softclock 76283 273052 0 0 3 0x40014200 idle0 1 157384 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 6367 (syz-executor) thread 0xffff80002a357230 (72812) exclusive rrwlock inode r = 0 (0xfffffd806e1719c8) #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 vget+0x2bd sys/kern/vfs_subr.c:693 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1864 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c5d8d40) #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1864 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #9 Xsyscall+0x128 Process 82575 (syz-executor) thread 0xffff8000ffff3c40 (422983) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a0c820) #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 bwrite+0x2e5 sys/kern/vfs_bio.c:754 #5 ufs_dirremove+0x2ac sys/ufs/ufs/ufs_lookup.c:919 #6 ufs_remove+0x1a7 sys/ufs/ufs/ufs_vnops.c:594 #7 VOP_REMOVE+0x176 sys/kern/vfs_vops.c:331 #8 dounlinkat+0x177 sys/kern/vfs_syscalls.c:1900 #9 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #10 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8069a712e0) #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 vget+0x2bd sys/kern/vfs_subr.c:693 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x21b sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #10 namei+0x7aa sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1864 #12 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #13 Xsyscall+0x128 Process 51710 (syz-executor) thread 0xffff8000ffff39b0 (256904) exclusive rwlock vmmaplk r = 0 (0xfffffd806d490c50) #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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3729 #4 process_new+0x572 sys/kern/kern_fork.c:284 #5 fork1+0x3ea sys/kern/kern_fork.c:410 #6 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10233 11025K 12421K 166960K 12979 0 pcb 17 15K 17K 166960K 206 0 rtable 222 11K 11K 166960K 764 0 pf 38 18K 19K 166960K 153 0 ifaddr 39 6K 8K 166960K 129 0 ifgroup 58 2K 3K 166960K 205 0 sysctl 3 1K 9K 166960K 11 0 counters 68 36K 38K 166960K 226 0 ioctlops 0 0K 4K 166960K 1688 0 iov 0 0K 18K 166960K 53 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1459 92K 92K 166960K 2303 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 28 0 VM map 2 1K 1K 166960K 2 0 sem 23 3K 3K 166960K 67 0 dirhash 15 2K 3K 166960K 39 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 228K 166960K 1195 0 sigio 0 0K 0K 166960K 29 0 proc 72 91K 152K 166960K 835 0 subproc 72 4K 4K 166960K 135 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 168 0 in_multi 76 5K 7K 166960K 213 0 ether_multi 1 0K 0K 166960K 7 0 mrt 0 0K 0K 166960K 11 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 283 1261K 1261K 166960K 283 0 exec 0 0K 1K 166960K 807 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 220 168K 177K 166960K 12418 0 UVM aobj 131 6K 6K 166960K 133 0 pinsyscall 41 82K 104K 166960K 2478 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 58 0 NDP 13 0K 2K 166960K 87 0 temp 64 8692K 8765K 166960K 49373 0 kqueue 13 20K 30K 166960K 235 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 154 0 151 2 1 1 2 0 8 0 rtentry 176 224 0 131 6 0 6 6 0 8 0 unpcb 144 818 0 801 12 10 2 6 0 8 1 syncache 336 8 0 8 4 3 1 1 0 8 1 tcpqe 32 4 0 4 3 2 1 1 0 8 1 tcpcb 808 344 0 334 8 6 2 5 0 8 1 arp 128 37 0 17 1 0 1 1 0 8 0 inpcb 328 1089 0 1074 17 7 10 10 0 8 8 nd6 144 47 0 27 1 0 1 1 0 8 0 pkpcb 40 17 0 17 3 2 1 1 0 8 1 kcovpl 48 15 0 7 1 0 1 1 0 8 0 mppekey 1024 3 0 3 2 1 1 1 0 8 1 ppxss 1192 58 0 58 1 0 1 1 0 8 1 pppxif 1504 14 0 14 3 3 0 1 0 8 0 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 3 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 2 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 pfrktable 1344 2 0 1 1 0 1 1 0 8 0 pfstitem 24 83 0 41 1 0 1 1 0 8 0 pfstkey 128 85 0 43 2 0 2 2 0 8 0 pfstate 384 83 0 42 5 0 5 5 0 8 0 pfrule 1344 23 0 17 2 1 1 2 0 8 0 rttmr 136 2 0 2 2 2 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 964 0 587 33 7 26 29 0 8 2 art_table 32 968 0 587 4 0 4 4 0 8 0 art_node 16 218 0 135 1 0 1 1 0 8 0 sysvmsgpl 40 13 0 6 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 60 0 39 1 0 1 1 0 8 0 shmpl 112 130 0 2 4 0 4 4 0 8 0 dirhash 1024 35 0 16 3 0 3 3 0 8 0 dino2pl 256 3373 0 1859 96 0 96 96 0 8 0 ffsino 288 3373 0 1859 109 0 109 109 0 8 0 nchpl 144 4924 0 3212 64 0 64 64 0 8 0 rtmask 32 10 0 10 3 2 1 1 0 8 1 uvmvnodes 80 4020 0 0 83 0 83 83 0 8 0 vnodes 216 4020 0 0 224 0 224 224 0 8 0 namei 1024 18197 0 18197 3 2 1 2 0 8 1 percpumem 16 128 0 79 1 0 1 1 0 8 0 kstatmem 264 116 0 90 3 1 2 3 0 8 0 scsiplug 72 2 0 2 2 2 0 1 0 8 0 scxspl 216 19309 0 19309 10 9 1 8 1 8 1 plimitpl 152 263 0 246 1 0 1 1 0 8 0 sigapl 424 1498 0 1448 10 3 7 9 0 8 0 knotepl 120 781 0 0 24 0 24 24 0 8 0 kqueuepl 224 411 0 402 6 5 1 3 0 8 0 pipepl 336 207 0 180 3 0 3 3 0 8 0 fdescpl 520 1457 0 1427 3 0 3 3 0 8 0 filepl 160 8719 0 8502 27 9 18 18 0 8 5 lockfpl 104 223 0 221 1 0 1 1 0 8 0 lockfspl 48 103 0 101 1 0 1 1 0 8 0 sessionpl 144 35 0 26 1 0 1 1 0 8 0 pgrppl 48 68 0 51 1 0 1 1 0 8 0 ucredpl 104 1176 0 1163 1 0 1 1 0 8 0 zombiepl 144 1904 0 1901 1 0 1 1 0 8 0 processpl 1240 1498 0 1448 6 1 5 6 0 8 0 procpl 656 3150 0 3096 9 2 7 8 0 8 0 srpgc 96 8 0 8 3 3 0 1 0 8 0 sosppl 168 8 0 8 4 3 1 1 0 8 1 sockpl 728 2107 0 2065 29 15 14 16 0 8 8 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 123 0 0 16 0 16 16 0 8 0 mcl2k 2048 68 0 0 8 0 8 8 0 8 0 mtagpl 96 111 0 0 3 0 3 3 0 8 0 mbufpl 256 580 0 0 37 0 37 37 0 8 0 bufpl 280 6454 0 312 439 0 439 439 0 8 0 anonpl 32 7894 0 0 64 0 64 64 0 246 0 amapchunkpl 152 40251 0 39832 38 13 25 28 0 158 3 amappl16 200 3780 0 3750 31 27 4 15 0 8 0 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 143 0 131 1 0 1 1 0 8 0 amappl13 176 19 0 19 1 1 0 1 0 8 0 amappl12 168 2219 0 2189 3 1 2 2 0 8 0 amappl11 160 54 0 40 1 0 1 1 0 8 0 amappl10 152 69 0 69 1 1 0 1 0 8 0 amappl9 144 245 0 245 1 1 0 1 0 8 0 amappl8 136 25 0 23 1 0 1 1 0 8 0 amappl7 128 125 0 113 1 0 1 1 0 8 0 amappl6 120 255 0 250 1 0 1 1 0 8 0 amappl5 112 154 0 144 1 0 1 1 0 8 0 amappl4 104 360 0 339 1 0 1 1 0 8 0 amappl3 96 8052 0 7956 5 1 4 4 0 8 0 amappl2 88 774 0 711 2 0 2 2 0 8 0 amappl1 80 14273 0 13675 16 1 15 15 0 8 0 amappl 88 11427 0 11280 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 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 132 0 2 3 0 3 3 0 8 0 uaddrrnd 24 1456 0 1427 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1456 0 1427 1 0 1 1 0 8 0 vmmpekpl 168 13278 0 13215 4 0 4 4 0 8 0 vmmpepl 168 97241 0 95393 110 17 93 101 0 357 1 vmsppl 480 1456 0 1427 6 1 5 5 0 8 0 rwobjpl 72 31159 0 26089 93 0 93 93 0 8 0 pdppl 4096 2919 0 2854 116 43 73 87 0 8 8 pvpl 32 15577 0 0 127 1 126 126 0 265 0 pmappl 256 1456 0 1427 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 451 0 64 12 0 12 12 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(ffffffff8334e821) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd80698a3128,ffff8000ffff3c40) at vgonel+0x681 sys/kern/vfs_subr.c:1217 vrecycle(fffffd80698a3128,ffff8000ffff3c40) at vrecycle+0x7c sys/kern/vfs_subr.c:1143 ufs_inactive(ffff80002a317ef8) at ufs_inactive+0x360 sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd80698a3128,ffff8000ffff3c40) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:498 vput(fffffd80698a3128) at vput+0xe5 sys/kern/vfs_subr.c:796 VOP_REMOVE(fffffd805de17480,fffffd80698a3128,ffff80002a318078) at VOP_REMOVE+0x19d sys/kern/vfs_vops.c:336 dounlinkat(ffff8000ffff3c40,ffffff9c,7b66660d08d0,0) at dounlinkat+0x177 sys/kern/vfs_syscalls.c:1900 syscall(ffff80002a3181f0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3181f0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b66660d0d80, count: -11 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299ddff0) 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 acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu_x86.c:1218 sched_idle(ffff8000299ddff0) at sched_idle+0x448 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff8000299ddff0) 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 acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu_x86.c:1218 sched_idle(ffff8000299ddff0) at sched_idle+0x448 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -5