panic: missing alias Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 56786 12230 0 0 0 0 syz-executor *133636 76896 0 0x2 0 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83341043) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd8079973a38,ffff80003c3f8a80) at vgonel+0x663 vrecycle(fffffd8079973a38,ffff80003c3f8a80) at vrecycle+0x7c sys/kern/vfs_subr.c:1136 ufs_inactive(ffff80003c449580) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd8079973a38,ffff80003c3f8a80) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd8079973a38) at vput+0xe5 sys/kern/vfs_subr.c:789 VOP_REMOVE(fffffd806ea929a8,fffffd8079973a38,ffff80003c4496e8) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff80003c3f8a80,ffffff9c,76f2c6d9c2c0,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904 syscall(ffff80003c449860) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c449860) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76f2c6d9c770, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: missing alias ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83341043) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd8079973a38,ffff80003c3f8a80) at vgonel+0x663 vrecycle(fffffd8079973a38,ffff80003c3f8a80) at vrecycle+0x7c sys/kern/vfs_subr.c:1136 ufs_inactive(ffff80003c449580) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd8079973a38,ffff80003c3f8a80) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd8079973a38) at vput+0xe5 sys/kern/vfs_subr.c:789 VOP_REMOVE(fffffd806ea929a8,fffffd8079973a38,ffff80003c4496e8) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff80003c3f8a80,ffffff9c,76f2c6d9c2c0,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904 syscall(ffff80003c449860) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c449860) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76f2c6d9c770, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c4493b0 rbx 0xffff8000299dee07 rdx 0 rcx 0xffff80003c3f8a80 rax 0xffff8000299ddff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xc1dd4bbbcfdc14b r11 0x40d78f743c0cc9f0 r12 0xffff8000299dec08 r13 0 r14 0 r15 0x1 rip 0xffffffff829c22a5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c4493a0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=133636 pid=76896 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=0xffff8000fffee2b0,0xffff8000333d2040 process=0xffff80002a3bc9b8 user=0xffff80003c444000, vmspace=0xfffffd800b063d58 estcpu=36, cpticks=89, pctcpu=0.6, user=2, sys=83, intr=3 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 19163 222953 96007 0 2 0 syz-executor 12230 56786 29467 0 7 0 syz-executor 12230 338594 29467 0 2 0x4000000 syz-executor 70382 449580 18501 0 2 0 syz-executor 70382 33133 18501 0 3 0x4000000 biowait syz-executor 81873 65736 41348 0 2 0 syz-executor 81873 462108 41348 0 2 0x4000000 syz-executor 87073 257820 92737 0 2 0 syz-executor 87073 407677 92737 0 3 0x4000080 fsleep syz-executor 25182 446248 49347 0 3 0x80 nanoslp syz-executor 25182 131926 49347 0 3 0x4000080 sbwait syz-executor 25182 204201 49347 0 3 0x4000080 fsleep syz-executor 39043 522371 71730 0 2 0 syz-executor 39043 96202 71730 0 3 0x4000080 fsleep syz-executor 39043 12317 71730 0 3 0x4000080 fsleep syz-executor 9751 193409 0 0 3 0x14200 acct acct 78167 8828 1 0 3 0x100083 ttyopn getty 18501 431853 6254 0 3 0x82 nanoslp syz-executor 71730 239589 6254 0 3 0x82 nanoslp syz-executor *76896 133636 6254 0 7 0x2 syz-executor 92737 320003 6254 0 3 0x82 nanoslp syz-executor 41348 112288 6254 0 3 0x82 nanoslp syz-executor 96007 361002 6254 0 3 0x82 nanoslp syz-executor 29467 24428 6254 0 3 0x82 nanoslp syz-executor 49347 118492 6254 0 3 0x82 nanoslp syz-executor 6254 288378 53241 0 3 0x82 kqread syz-executor 53241 223721 63284 0 3 0x10008a sigsusp ksh 63284 290998 62192 0 3 0x98 kqread sshd-session 62192 289358 96074 0 3 0x92 kqread sshd-session 96074 196501 1 0 3 0x88 kqread sshd 33355 115478 31561 74 3 0x1100092 bpf pflogd 31561 418753 1 0 3 0x80 sbwait pflogd 85837 427505 77826 73 3 0x1100090 kqread syslogd 77826 164185 1 0 3 0x100082 sbwait syslogd 88142 484157 1 0 3 0x100080 kqread resolvd 40353 96139 28146 77 3 0x100092 kqread dhcpleased 14876 419420 28146 77 3 0x100092 kqread dhcpleased 28146 414672 1 0 3 0x80 kqread dhcpleased 31532 100782 0 0 3 0x14200 bored smr 5771 181882 0 0 2 0x14200 zerothread 24797 503413 0 0 3 0x14200 aiodoned aiodoned 88871 191904 0 0 3 0x14200 syncer update 32122 11734 0 0 3 0x14200 cleaner cleaner 90230 388050 0 0 3 0x14200 reaper reaper 68753 396474 0 0 3 0x14200 pgdaemon pagedaemon 38970 283718 0 0 3 0x14200 bored viomb 48674 513343 0 0 3 0x40014200 acpi0 acpi0 96468 134260 0 0 3 0x40014200 idle1 49748 326021 0 0 3 0x14200 bored softnet1 18349 413992 0 0 3 0x14200 bored softnet0 32261 375138 0 0 3 0x14200 bored systqmp 58286 464637 0 0 3 0x14200 bored systq 56401 246442 0 0 3 0x14200 tmoslp softclockmp 85963 209563 0 0 3 0x40014200 tmoslp softclock 42856 70922 0 0 3 0x40014200 idle0 1 354949 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 70382 (syz-executor) thread 0xffff80003c3f82b8 (33133) exclusive rrwlock inode r = 0 (0xfffffd806c8b5ec0) #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 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 81873 (syz-executor) thread 0xffff8000ffffc2a0 (462108) exclusive rwlock sbufsnd r = 0 (0xffff8000016e3818) #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 sblock+0xb6 sys/kern/uipc_socket2.c:536 #3 sosend+0x2e9 sys/kern/uipc_socket.c:639 #4 sendit+0x5a5 sys/kern/uipc_syscalls.c:785 #5 sys_sendmmsg+0x3f3 sys/kern/uipc_syscalls.c:676 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #7 Xsyscall+0x128 Process 76896 (syz-executor) thread 0xffff80003c3f8a80 (133636) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8398bfc8) #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:369 #3 biowait+0xc6 sys/kern/vfs_bio.c:1242 #4 bwrite+0x2e7 sys/kern/vfs_bio.c:754 #5 ufs_dirremove+0x290 sys/ufs/ufs/ufs_lookup.c:919 #6 ufs_remove+0x1a7 sys/ufs/ufs/ufs_vnops.c:594 #7 VOP_REMOVE+0x172 sys/kern/vfs_vops.c:331 #8 dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904 #9 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #10 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80650cb7d8) #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 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 cache_lookup+0x351 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #10 namei+0x7ca sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #13 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11087 12162K 12961K 166960K 16772 0 pcb 17 15K 20K 166960K 518 0 rtable 181 11K 13K 166960K 828 0 pf 28 16K 81K 166960K 260 0 ifaddr 30 5K 9K 166960K 184 0 ifgroup 43 2K 3K 166960K 305 0 sysctl 4 1K 9K 166960K 24 0 counters 64 36K 38K 166960K 336 0 ioctlops 0 0K 4K 166960K 2011 0 iov 0 0K 20K 166960K 190 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1446 91K 91K 166960K 4096 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 13K 166960K 26 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 186 0 dirhash 12 2K 3K 166960K 54 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 2596 0 sigio 0 0K 0K 166960K 80 0 proc 73 115K 163K 166960K 915 0 subproc 72 4K 4K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 355 0 in_multi 54 3K 7K 166960K 301 0 ether_multi 1 0K 0K 166960K 49 0 mrt 2 0K 0K 166960K 17 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 229 1023K 1023K 166960K 229 0 exec 0 0K 1K 166960K 998 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 4 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 247 160K 178K 166960K 26552 0 UVM aobj 28 14K 18K 166960K 31 0 pinsyscall 42 84K 104K 166960K 3814 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 289 0 NDP 9 0K 2K 166960K 136 0 temp 80 8680K 8810K 166960K 115503 0 kqueue 13 20K 36K 166960K 490 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 120 194 0 191 1 0 1 1 0 8 0 rtentry 176 236 0 174 6 0 6 6 0 8 0 unpcb 144 1764 0 1743 20 19 1 6 0 8 0 syncache 336 6 0 6 4 4 0 1 0 8 0 tcpcb 736 637 0 633 13 12 1 7 0 8 0 arp 136 39 0 24 1 0 1 1 0 8 0 inpcb 328 2551 0 2542 28 21 7 7 0 8 6 nd6 152 46 0 34 3 1 2 2 0 8 1 pkpcb 40 12 0 12 5 4 1 1 0 8 1 kcovpl 48 13 0 5 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 108 0 108 4 3 1 1 0 8 1 pppxif 1504 9 0 9 5 5 0 1 0 8 0 pffrag 232 30 0 26 1 0 1 1 0 482 0 pffrnode 88 30 0 26 1 0 1 1 0 8 0 pffrent 40 60 0 56 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 24 138 0 88 1 0 1 1 0 8 0 pfstkey 128 138 0 88 2 0 2 2 0 8 0 pfstate 448 138 0 88 7 0 7 7 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 rttmr 136 3 0 3 3 3 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 1056 0 804 39 12 27 31 0 8 6 art_table 40 1060 0 804 5 0 5 5 0 8 0 art_node 32 232 0 179 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 9 1 0 1 1 0 8 0 semupl 112 4 0 4 3 2 1 1 0 8 1 semapl 112 180 0 170 1 0 1 1 0 8 0 shmpl 112 20 0 0 1 0 1 1 0 8 0 dirhash 1024 46 0 29 3 0 3 3 0 8 0 dino2pl 256 6445 0 4939 96 0 96 96 0 8 0 ffsino 296 6445 0 4939 118 0 118 118 0 8 0 nchpl 144 10034 0 8315 64 0 64 64 0 8 0 rtmask 32 26 0 26 6 5 1 1 0 8 1 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 36473 0 36473 4 3 1 2 0 8 1 percpumem 16 183 0 136 1 0 1 1 0 8 0 vcpupl 3968 7 0 2 1 0 1 1 0 8 0 vmpool 848 8 0 3 1 0 1 1 0 8 0 kstatmem 264 208 0 186 3 0 3 3 0 8 0 scsiplug 72 15 0 15 7 7 0 1 0 8 0 scxspl 216 43106 0 43105 12 11 1 8 1 8 0 plimitpl 152 550 0 532 1 0 1 1 0 8 0 sigapl 424 2882 0 2834 9 3 6 8 0 8 0 knotepl 120 813 0 0 24 0 24 24 0 8 0 kqueuepl 224 1249 0 1239 15 14 1 5 0 8 0 pipepl 344 543 0 516 18 15 3 9 0 8 0 fdescpl 528 2839 0 2808 3 0 3 3 0 8 0 filepl 160 19903 0 19685 39 27 12 20 0 8 0 lockfpl 104 868 0 865 1 0 1 1 0 8 0 lockfspl 48 352 0 349 1 0 1 1 0 8 0 sessionpl 144 28 0 19 1 0 1 1 0 8 0 pgrppl 48 175 0 158 1 0 1 1 0 8 0 ucredpl 104 3571 0 3557 1 0 1 1 0 8 0 zombiepl 144 4455 0 4455 1 0 1 1 0 8 1 processpl 1232 2882 0 2834 7 3 4 6 0 8 0 procpl 664 7343 0 7287 8 2 6 8 0 8 0 sosppl 176 12 0 12 6 5 1 1 0 8 1 sockpl 752 4638 0 4605 58 48 10 18 0 8 6 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 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 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 119 0 0 15 0 15 15 0 8 0 mcl2k 2048 68 0 0 6 0 6 6 0 8 0 mtagpl 96 130 0 0 4 0 4 4 0 8 0 mbufpl 256 419 0 0 21 0 21 21 0 8 0 bufpl 280 15514 0 9378 439 0 439 439 0 8 0 anonpl 32 11006 0 0 89 0 89 89 0 246 0 amapchunkpl 152 92997 0 92425 56 23 33 40 0 158 6 amappl16 200 7902 0 7795 63 53 10 21 0 8 0 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 9 0 8 2 1 1 1 0 8 0 amappl13 176 498 0 497 1 0 1 1 0 8 0 amappl12 168 3230 0 3188 3 0 3 3 0 8 0 amappl11 160 3 0 2 2 1 1 1 0 8 0 amappl10 152 53 0 39 1 0 1 1 0 8 0 amappl9 144 304 0 304 1 1 0 1 0 8 0 amappl8 136 29 0 26 1 0 1 1 0 8 0 amappl7 128 102 0 100 1 0 1 1 0 8 0 amappl6 120 337 0 324 1 0 1 1 0 8 0 amappl5 112 77 0 66 1 0 1 1 0 8 0 amappl4 104 452 0 423 1 0 1 1 0 8 0 amappl3 96 18196 0 18091 6 2 4 4 0 8 0 amappl2 88 591 0 530 2 0 2 2 0 8 0 amappl1 80 19469 0 18877 15 2 13 15 0 8 0 amappl 88 25361 0 25191 5 0 5 5 0 92 0 uvmvnodes 80 199 0 0 5 0 5 5 0 8 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 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 128 257 0 257 5 5 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 30 0 3 1 0 1 1 0 8 0 uaddrrnd 24 2839 0 2808 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2839 0 2808 1 0 1 1 0 8 0 vmmpekpl 168 23623 0 23580 4 1 3 3 0 8 0 vmmpepl 168 181630 0 179628 132 38 94 102 0 357 0 vmsppl 488 2838 0 2808 6 1 5 5 0 8 0 rwobjpl 80 46726 0 45500 40 9 31 31 0 8 0 pdppl 4096 5701 0 5627 122 46 76 83 0 8 2 pvpl 32 18785 0 0 151 0 151 151 0 265 0 pmappl 256 2846 0 2811 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 347 0 83 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8386dff0) 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(ffffffff8398bdc0) at __mp_lock+0x190 __mp_lock_spin sys/kern/kern_lock.c:143 [inline] __mp_lock(ffffffff8398bdc0) at __mp_lock+0x190 sys/kern/kern_lock.c:173 intr_handler(ffff80003c47dd30,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x732161cf2090, count: 9 ddb{0}> trace x86_ipi_db(ffffffff8386dff0) 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(ffffffff8398bdc0) at __mp_lock+0x190 __mp_lock_spin sys/kern/kern_lock.c:143 [inline] __mp_lock(ffffffff8398bdc0) at __mp_lock+0x190 sys/kern/kern_lock.c:173 intr_handler(ffff80003c47dd30,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x732161cf2090, count: -6 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(ffffffff83341043) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd8079973a38,ffff80003c3f8a80) at vgonel+0x663 vrecycle(fffffd8079973a38,ffff80003c3f8a80) at vrecycle+0x7c sys/kern/vfs_subr.c:1136 ufs_inactive(ffff80003c449580) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd8079973a38,ffff80003c3f8a80) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd8079973a38) at vput+0xe5 sys/kern/vfs_subr.c:789 VOP_REMOVE(fffffd806ea929a8,fffffd8079973a38,ffff80003c4496e8) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff80003c3f8a80,ffffff9c,76f2c6d9c2c0,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904 syscall(ffff80003c449860) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c449860) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76f2c6d9c770, count: 4 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83341043) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd8079973a38,ffff80003c3f8a80) at vgonel+0x663 vrecycle(fffffd8079973a38,ffff80003c3f8a80) at vrecycle+0x7c sys/kern/vfs_subr.c:1136 ufs_inactive(ffff80003c449580) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd8079973a38,ffff80003c3f8a80) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd8079973a38) at vput+0xe5 sys/kern/vfs_subr.c:789 VOP_REMOVE(fffffd806ea929a8,fffffd8079973a38,ffff80003c4496e8) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff80003c3f8a80,ffffff9c,76f2c6d9c2c0,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904 syscall(ffff80003c449860) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c449860) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76f2c6d9c770, count: -11