panic: missing alias Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 491373 47309 0 0 0 0 syz-executor * 33826 28426 0 0x2 0 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8333f617) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd80714561d0,ffff8000ffffdc90) at vgonel+0x663 vrecycle(fffffd80714561d0,ffff8000ffffdc90) at vrecycle+0x7c sys/kern/vfs_subr.c:1136 ufs_inactive(ffff80002a319d00) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd80714561d0,ffff8000ffffdc90) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd80714561d0) at vput+0xe5 sys/kern/vfs_subr.c:789 VOP_REMOVE(fffffd8071eb0450,fffffd80714561d0,ffff80002a319e68) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff8000ffffdc90,ffffff9c,7d0de12ba190,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904 syscall(ffff80002a319fe0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a319fe0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d0de12ba640, 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(ffffffff8333f617) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd80714561d0,ffff8000ffffdc90) at vgonel+0x663 vrecycle(fffffd80714561d0,ffff8000ffffdc90) at vrecycle+0x7c sys/kern/vfs_subr.c:1136 ufs_inactive(ffff80002a319d00) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd80714561d0,ffff8000ffffdc90) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd80714561d0) at vput+0xe5 sys/kern/vfs_subr.c:789 VOP_REMOVE(fffffd8071eb0450,fffffd80714561d0,ffff80002a319e68) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff8000ffffdc90,ffffff9c,7d0de12ba190,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904 syscall(ffff80002a319fe0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a319fe0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d0de12ba640, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a319b30 rbx 0xffff8000299eee07 rdx 0 rcx 0xffff8000ffffdc90 rax 0xffff8000299edff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x2f97c491af773a60 r11 0x65b4033698e1d339 r12 0xffff8000299eec08 r13 0 r14 0 r15 0x1 rip 0xffffffff831264f5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a319b20 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=33826 pid=28426 tcnt=1 stat=onproc flags process=2 proc=0 runpri=17, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a272540,0xffff8000ffffcd10 process=0xffff8000ffff3500 user=0xffff80002a315000, vmspace=0xfffffd806f79e008 estcpu=36, cpticks=170, pctcpu=0.53, user=2, sys=168, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 33759 117402 41073 0 2 0 syz-executor 33759 140961 41073 0 3 0x4000080 fsleep syz-executor 23778 327631 44089 0 2 0 syz-executor 23778 46973 44089 0 3 0x4000080 fifor syz-executor 23778 462002 44089 0 3 0x4000080 fsleep syz-executor 14417 392262 73483 0 2 0 syz-executor 14417 298403 73483 0 2 0x4000000 syz-executor 47309 491373 4413 0 7 0 syz-executor 47309 395657 4413 0 3 0x4000080 fsleep syz-executor 47309 408081 4413 0 3 0x4000080 fsleep syz-executor 41073 374259 80460 0 3 0x82 nanoslp syz-executor 4413 499355 80460 0 3 0x82 nanoslp syz-executor 25286 459413 80460 0 2 0x2 syz-executor 24992 495232 1 0 3 0x100083 ttyopn getty 45561 3469 80460 0 3 0x82 wait syz-executor 68131 361870 48571 0 3 0x100082 sbwait arp 48571 33062 1 0 3 0x10008a sigsusp sh 73483 174604 80460 0 3 0x82 nanoslp syz-executor 44089 171627 80460 0 3 0x82 nanoslp syz-executor 37909 221233 80460 0 3 0x82 nanoslp syz-executor *28426 33826 80460 0 7 0x2 syz-executor 80460 466386 89798 0 3 0x82 kqread syz-executor 89798 299457 6431 0 3 0x10008a sigsusp ksh 6431 263037 75792 0 3 0x98 kqread sshd-session 75792 384667 36612 0 3 0x92 kqread sshd-session 36612 346604 1 0 3 0x88 kqread sshd 70327 142196 38290 74 3 0x1100092 bpf pflogd 38290 190711 1 0 3 0x80 sbwait pflogd 94696 209953 35171 73 3 0x1100090 kqread syslogd 35171 401423 1 0 3 0x100082 sbwait syslogd 4570 461695 1 0 3 0x100080 kqread resolvd 22251 182557 4754 77 3 0x100092 kqread dhcpleased 75633 105590 4754 77 3 0x100092 kqread dhcpleased 4754 221546 1 0 3 0x80 kqread dhcpleased 12924 178058 0 0 3 0x14200 bored smr 70032 37576 0 0 2 0x14200 zerothread 57023 237790 0 0 3 0x14200 aiodoned aiodoned 47508 400817 0 0 3 0x14200 syncer update 54015 487363 0 0 3 0x14200 cleaner cleaner 56008 208562 0 0 3 0x14200 reaper reaper 91860 318459 0 0 3 0x14200 pgdaemon pagedaemon 53462 508164 0 0 3 0x14200 bored viomb 15543 35449 0 0 3 0x40014200 acpi0 acpi0 30946 403956 0 0 3 0x40014200 idle1 10365 253264 0 0 3 0x14200 bored softnet1 22324 493371 0 0 3 0x14200 bored softnet0 41830 359598 0 0 3 0x14200 bored systqmp 50345 178317 0 0 3 0x14200 bored systq 35613 405817 0 0 3 0x14200 tmoslp softclockmp 78629 510516 0 0 3 0x40014200 tmoslp softclock 63999 446496 0 0 3 0x40014200 idle0 1 233182 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 47309 (syz-executor) thread 0xffff80003a419cb8 (491373) exclusive rwlock uobjlk r = 0 (0xfffffd805f143d70) #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 uvm_fault+0x1e5 sys/uvm/uvm_fault.c:655 #3 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #4 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806ca21aa8) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1902 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:699 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:633 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #7 recall_trap+0x8 Process 28426 (syz-executor) thread 0xffff8000ffffdc90 (33826) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838c1350) #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 (0xfffffd806c6f9ec0) #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+0xa3 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 10211 11045K 12604K 166960K 13244 0 pcb 17 17K 18K 166960K 330 0 rtable 196 10K 11K 166960K 609 0 pf 37 18K 82K 166960K 175 0 ifaddr 34 6K 7K 166960K 127 0 ifgroup 56 2K 3K 166960K 218 0 sysctl 4 1K 9K 166960K 15 0 counters 70 37K 38K 166960K 234 0 ioctlops 0 0K 4K 166960K 1758 0 iov 0 0K 24K 166960K 69 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1531 96K 97K 166960K 2762 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 18 0 VM map 2 1K 1K 166960K 2 0 sem 23 136K 136K 166960K 37 0 dirhash 72 12K 14K 166960K 2184 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 248K 166960K 1445 0 sigio 0 0K 0K 166960K 29 0 proc 72 115K 163K 166960K 794 0 subproc 81 5K 5K 166960K 108 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 187 0 in_multi 66 4K 6K 166960K 189 0 ether_multi 1 0K 0K 166960K 13 0 mrt 1 0K 0K 166960K 14 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 752 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 246 156K 172K 166960K 14933 0 UVM aobj 47 16K 16K 166960K 51 0 pinsyscall 44 88K 108K 166960K 2653 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 66 0 NDP 12 0K 1K 166960K 87 0 temp 81 8680K 8928K 166960K 72127 0 kqueue 13 20K 32K 166960K 271 0 SYN cache 2 8K 16K 166960K 3 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 120 177 0 172 2 1 1 2 0 8 0 rtentry 176 182 0 109 5 0 5 5 0 8 0 unpcb 144 1070 0 1049 13 9 4 6 0 8 3 syncache 336 9 0 9 6 5 1 1 0 8 1 tcpcb 736 477 0 473 13 12 1 10 0 8 0 arp 136 27 0 16 1 0 1 1 0 8 0 inpcb 328 1678 0 1605 21 14 7 10 0 8 0 nd6 152 39 0 20 1 0 1 1 0 8 0 pkpcb 40 9 0 9 3 2 1 1 0 8 1 kcovpl 48 12 0 3 1 0 1 1 0 8 0 ppxss 1192 59 0 59 2 1 1 1 0 8 1 pppxif 1504 11 0 11 2 2 0 1 0 8 0 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 10 0 2 1 0 1 1 0 482 0 pffrnode 88 9 0 1 1 0 1 1 0 8 0 pffrent 40 86 0 78 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 2 1 1 0 1 0 8 0 pfstitem 24 130 0 72 1 0 1 1 0 8 0 pfstkey 128 132 0 74 3 0 3 3 0 8 0 pfstate 448 131 0 73 11 3 8 8 0 8 0 pfrule 1344 23 0 18 2 1 1 2 0 8 0 rttmr 136 3 0 3 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 799 0 472 32 7 25 27 0 8 0 art_table 40 801 0 472 5 0 5 5 0 8 0 art_node 32 181 0 115 1 0 1 1 0 8 0 sysvmsgpl 40 13 0 10 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 32 0 11 1 0 1 1 0 8 0 shmpl 112 40 0 3 2 0 2 2 0 8 0 dirhash 1024 742 0 705 6 0 6 6 0 8 1 dino2pl 256 4144 0 2619 96 0 96 96 0 8 0 ffsino 296 4144 0 2619 118 0 118 118 0 8 0 nchpl 144 6047 0 4333 64 0 64 64 0 8 0 rtmask 32 15 0 15 5 4 1 1 0 8 1 vnodes 216 5026 0 0 280 0 280 280 0 8 0 namei 1024 22030 0 22030 3 2 1 2 0 8 1 percpumem 16 132 0 82 1 0 1 1 0 8 0 vcpupl 3968 7 0 0 1 0 1 1 0 8 0 vmpool 840 8 0 1 1 0 1 1 0 8 0 kstatmem 264 132 0 104 3 0 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 7 0 7 3 2 1 1 0 8 1 scxspl 216 36595 0 36595 12 11 1 8 1 8 1 plimitpl 152 410 0 391 1 0 1 1 0 8 0 sigapl 424 1739 0 1691 8 0 8 8 0 8 1 knotepl 120 566 0 0 17 0 17 17 0 8 0 kqueuepl 224 620 0 609 7 6 1 5 0 8 0 pipepl 344 357 0 327 12 9 3 9 0 8 0 fdescpl 528 1701 0 1669 3 0 3 3 0 8 0 filepl 160 12194 0 11823 27 9 18 18 0 8 1 lockfpl 104 510 0 508 1 0 1 1 0 8 0 lockfspl 48 197 0 195 1 0 1 1 0 8 0 sessionpl 144 30 0 21 1 0 1 1 0 8 0 pgrppl 48 60 0 42 1 0 1 1 0 8 0 ucredpl 104 1740 0 1724 1 0 1 1 0 8 0 zombiepl 144 2184 0 2182 2 1 1 1 0 8 0 processpl 1232 1740 0 1691 6 0 6 6 0 8 0 procpl 664 3926 0 3871 8 0 8 8 0 8 1 sosppl 176 12 0 12 3 2 1 1 0 8 1 sockpl 752 2955 0 2856 40 29 11 18 0 8 0 mcl64k 65536 22 0 0 3 0 3 3 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 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 124 0 0 16 0 16 16 0 8 0 mcl2k 2048 51 0 0 7 0 7 7 0 8 0 mtagpl 96 13 0 0 1 0 1 1 0 8 0 mbufpl 256 1211 0 0 76 0 76 76 0 8 0 bufpl 280 14284 0 8147 439 0 439 439 0 8 0 anonpl 32 11300 0 0 92 0 92 92 0 246 0 amapchunkpl 152 49198 0 48529 46 18 28 33 0 158 0 amappl16 200 4453 0 4416 56 48 8 27 0 8 1 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 16 0 16 1 1 0 1 0 8 0 amappl13 176 471 0 469 1 0 1 1 0 8 0 amappl12 168 2088 0 2043 3 0 3 3 0 8 0 amappl11 160 36 0 35 2 1 1 1 0 8 0 amappl10 152 48 0 33 1 0 1 1 0 8 0 amappl9 144 260 0 260 1 1 0 1 0 8 0 amappl8 136 48 0 44 1 0 1 1 0 8 0 amappl7 128 92 0 91 1 0 1 1 0 8 0 amappl6 120 317 0 301 1 0 1 1 0 8 0 amappl5 112 77 0 66 1 0 1 1 0 8 0 amappl4 104 450 0 417 1 0 1 1 0 8 0 amappl3 96 9864 0 9759 5 1 4 4 0 8 0 amappl2 88 583 0 520 2 0 2 2 0 8 0 amappl1 80 15261 0 14650 16 1 15 15 0 8 0 amappl 88 13912 0 13747 5 0 5 5 0 92 0 uvmvnodes 80 144 0 0 3 0 3 3 0 8 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma16384 16384 1 0 1 1 1 0 1 0 8 0 dma4096 4096 2 0 2 2 2 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 7 0 7 2 2 0 1 0 8 0 dma128 128 257 0 257 4 4 0 1 0 8 0 dma64 64 9 0 9 3 2 1 1 0 8 1 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 50 0 4 1 0 1 1 0 8 0 uaddrrnd 24 1701 0 1669 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1701 0 1669 1 0 1 1 0 8 0 vmmpekpl 168 14808 0 14759 3 0 3 3 0 8 0 vmmpepl 168 112259 0 110307 115 20 95 107 0 357 0 vmsppl 488 1700 0 1669 5 0 5 5 0 8 0 rwobjpl 80 30567 0 29408 33 4 29 32 0 8 0 pdppl 4096 3426 0 3347 118 35 83 86 0 8 4 pvpl 32 18410 0 0 151 2 149 150 0 265 0 pmappl 256 1708 0 1670 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 402 0 71 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837d5ff0) 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(ffffffff838c1148) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838c1148) at __mp_lock+0x192 sys/kern/kern_lock.c:165 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(ffffffff838c1148) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838c1148) at __mp_lock+0x199 sys/kern/kern_lock.c:165 uvm_fault(fffffd806ca219a8,ed26c919000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:656 upageflttrap(ffff8000338050c0,ed26c919000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff8000338050c0) at usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x70ea0e643ad0, count: 3 ddb{0}> trace x86_ipi_db(ffffffff837d5ff0) 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(ffffffff838c1148) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838c1148) at __mp_lock+0x192 sys/kern/kern_lock.c:165 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(ffffffff838c1148) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838c1148) at __mp_lock+0x199 sys/kern/kern_lock.c:165 uvm_fault(fffffd806ca219a8,ed26c919000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:656 upageflttrap(ffff8000338050c0,ed26c919000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff8000338050c0) at usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x70ea0e643ad0, count: -12 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(ffffffff8333f617) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd80714561d0,ffff8000ffffdc90) at vgonel+0x663 vrecycle(fffffd80714561d0,ffff8000ffffdc90) at vrecycle+0x7c sys/kern/vfs_subr.c:1136 ufs_inactive(ffff80002a319d00) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd80714561d0,ffff8000ffffdc90) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd80714561d0) at vput+0xe5 sys/kern/vfs_subr.c:789 VOP_REMOVE(fffffd8071eb0450,fffffd80714561d0,ffff80002a319e68) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff8000ffffdc90,ffffff9c,7d0de12ba190,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904 syscall(ffff80002a319fe0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a319fe0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d0de12ba640, count: 4 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8333f617) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd80714561d0,ffff8000ffffdc90) at vgonel+0x663 vrecycle(fffffd80714561d0,ffff8000ffffdc90) at vrecycle+0x7c sys/kern/vfs_subr.c:1136 ufs_inactive(ffff80002a319d00) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd80714561d0,ffff8000ffffdc90) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd80714561d0) at vput+0xe5 sys/kern/vfs_subr.c:789 VOP_REMOVE(fffffd8071eb0450,fffffd80714561d0,ffff80002a319e68) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff8000ffffdc90,ffffff9c,7d0de12ba190,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904 syscall(ffff80002a319fe0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a319fe0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d0de12ba640, count: -11