login: panic: missing alias Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *236900 51650 0 0x2 0 1K syz-executor 68980 47680 0 0x2 0x1 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833024e8) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd80610ef600,ffff800036c1f4f8) at vgonel+0x663 vrecycle(fffffd80610ef600,ffff800036c1f4f8) at vrecycle+0x7c sys/kern/vfs_subr.c:1143 ufs_inactive(ffff80003380bc30) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd80610ef600,ffff800036c1f4f8) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd80610ef600) at vput+0xe5 sys/kern/vfs_subr.c:796 VOP_REMOVE(fffffd806103ce60,fffffd80610ef600,ffff80003380bd98) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff800036c1f4f8,ffffff9c,717ddf0ef460,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904 syscall(ffff80003380bf10) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003380bf10) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x717ddf0ef910, 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(ffffffff833024e8) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd80610ef600,ffff800036c1f4f8) at vgonel+0x663 vrecycle(fffffd80610ef600,ffff800036c1f4f8) at vrecycle+0x7c sys/kern/vfs_subr.c:1143 ufs_inactive(ffff80003380bc30) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd80610ef600,ffff800036c1f4f8) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd80610ef600) at vput+0xe5 sys/kern/vfs_subr.c:796 VOP_REMOVE(fffffd806103ce60,fffffd80610ef600,ffff80003380bd98) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff800036c1f4f8,ffffff9c,717ddf0ef460,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904 syscall(ffff80003380bf10) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003380bf10) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x717ddf0ef910, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003380ba60 rbx 0xffff8000299eeddf rdx 0 rcx 0xffff800036c1f4f8 rax 0xffff8000299edff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xbcfdd3093c74d46d r11 0xa4047ca8ff351ee r12 0xffff8000299eebe0 r13 0 r14 0 r15 0x1 rip 0xffffffff81ac09d5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003380ba50 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=236900 pid=51650 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=0xffff80002a2b6020,0xffff80002a2b7788 process=0xffff800036c27040 user=0xffff800033806000, vmspace=0xfffffd805e1fbd88 estcpu=36, cpticks=39, pctcpu=0.12, user=0, sys=38, intr=1 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 8219 35813 20026 0 2 0 syz-executor 8219 28427 20026 0 2 0x4000000 syz-executor 78785 371058 73484 0 2 0 syz-executor 78785 456912 73484 0 3 0x4000080 kqpoll syz-executor 22624 520447 88876 0 2 0x1 syz-executor 22624 446935 88876 0 3 0x4000080 fsleep syz-executor 31886 520681 49062 0 2 0x1 syz-executor 31886 56268 49062 0 3 0x4000080 fsleep syz-executor 54258 405734 1954 0 2 0x1 syz-executor 54258 42967 1954 0 2 0x4000000 syz-executor 54258 408270 1954 0 3 0x4000000 fltagain2 syz-executor 54258 134345 1954 0 3 0x4000080 pipeiolk syz-executor 86542 303496 96762 0 4 0x82000 syz-executor 86542 134796 96762 0 3 0x4082000 biowait syz-executor 86542 200122 96762 0 3 0x4082000 inode syz-executor 86542 121076 96762 0 3 0x4082000 inode syz-executor 86542 417869 96762 0 3 0x4002000 suspend syz-executor 88876 48181 47680 0 3 0x82 nanoslp syz-executor 20026 456575 47680 0 3 0x82 nanoslp syz-executor *51650 236900 47680 0 7 0x2 syz-executor 1954 418645 47680 0 3 0x82 nanoslp syz-executor 49062 48811 47680 0 3 0x82 nanoslp syz-executor 67646 54031 1 0 3 0x100083 ttyin getty 20180 503290 0 0 3 0x14200 bored sosplice 96762 20054 47680 0 3 0x82 wait syz-executor 73484 455058 47680 0 3 0x82 nanoslp syz-executor 92470 221924 47680 0 3 0x82 wait syz-executor 47680 68980 82832 0 7 0x3 syz-executor 82832 476783 90768 0 3 0x10008a sigsusp ksh 90768 289757 42768 0 3 0x98 kqread sshd-session 42768 345722 74284 0 3 0x92 kqread sshd-session 74284 387060 1 0 3 0x88 kqread sshd 71798 42111 58861 74 3 0x1100092 bpf pflogd 58861 212150 1 0 3 0x80 sbwait pflogd 90623 43734 20159 73 3 0x1100090 kqread syslogd 20159 417921 1 0 3 0x100082 sbwait syslogd 98921 278897 1 0 3 0x100080 kqread resolvd 68769 389868 19014 77 3 0x100092 kqread dhcpleased 10754 260414 19014 77 3 0x100092 kqread dhcpleased 19014 342457 1 0 3 0x80 kqread dhcpleased 91577 139693 0 0 3 0x14200 bored smr 53088 284715 0 0 2 0x14200 zerothread 35670 233366 0 0 3 0x14200 aiodoned aiodoned 96530 14428 0 0 3 0x14200 syncer update 31360 93999 0 0 3 0x14200 cleaner cleaner 66994 248443 0 0 3 0x14200 reaper reaper 33883 372895 0 0 3 0x14200 pgdaemon pagedaemon 36230 290089 0 0 3 0x14200 bored viomb 61227 174939 0 0 3 0x40014200 acpi0 acpi0 21532 509229 0 0 3 0x40014200 idle1 51683 349437 0 0 3 0x14200 bored softnet7 333 301757 0 0 3 0x14200 bored softnet6 97724 12635 0 0 3 0x14200 bored softnet5 75813 467194 0 0 3 0x14200 bored softnet4 67318 406913 0 0 3 0x14200 bored softnet3 31305 369800 0 0 3 0x14200 bored softnet2 77357 172676 0 0 3 0x14200 bored softnet1 40905 240062 0 0 2 0x14200 softnet0 71784 430863 0 0 3 0x14200 bored systqmp 53249 38899 0 0 3 0x14200 bored systq 13776 402862 0 0 3 0x14200 tmoslp softclockmp 89884 32918 0 0 3 0x40014200 tmoslp softclock 87381 303977 0 0 3 0x40014200 idle0 1 414048 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 54258 (syz-executor) thread 0xffff80002a2c3cb8 (42967) Process 86542 (syz-executor) thread 0xffff80002a2c34f0 (134796) Process 86542 (syz-executor) thread 0xffff80002a2b62b8 (121076) Process 51650 (syz-executor) thread 0xffff800036c1f4f8 (236900) ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10228 11112K 11274K 166960K 12326 0 pcb 18 17K 32K 166960K 524 0 rtable 188 11K 11K 166960K 597 0 pf 38 18K 131090K 166960K 281 0 ifaddr 37 6K 8K 166960K 157 0 ifgroup 55 2K 2K 166960K 262 0 sysctl 3 1K 9K 166960K 19 0 counters 68 36K 38K 166960K 304 0 ioctlops 0 0K 4K 166960K 1840 0 iov 0 0K 36K 166960K 92 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1505 95K 95K 166960K 2518 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 5K 9K 166960K 18 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 121 0 dirhash 12 2K 2K 166960K 36 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 1636 0 sigio 0 0K 0K 166960K 34 0 proc 72 115K 164K 166960K 885 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 304 0 in_multi 73 5K 7K 166960K 235 0 ether_multi 1 0K 0K 166960K 15 0 mrt 3 0K 0K 166960K 12 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 115 519K 519K 166960K 115 0 exec 0 0K 1K 166960K 786 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 239 155K 182K 166960K 16533 0 UVM aobj 35 2K 2K 166960K 37 0 pinsyscall 42 84K 102K 166960K 2942 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 114 0 NDP 12 0K 2K 166960K 116 0 temp 80 8652K 8780K 166960K 97028 0 kqueue 13 20K 30K 166960K 300 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 120 151 0 148 1 0 1 1 0 8 0 rtentry 176 209 0 142 5 1 4 5 0 8 0 unpcb 144 1069 0 1050 11 10 1 6 0 8 0 syncache 336 7 0 7 4 4 0 1 0 8 0 tcpqe 32 2 0 2 2 2 0 1 0 8 0 tcpcb 736 460 0 455 5 3 2 4 0 8 1 arp 128 27 0 18 1 0 1 1 0 8 0 inpcb 328 1884 0 1872 35 27 8 12 0 8 6 nd6 144 35 0 22 1 0 1 1 0 8 0 pkpcb 40 22 0 22 3 2 1 1 0 8 1 kcovpl 48 15 0 7 1 0 1 1 0 8 0 mppekey 1024 3 0 3 1 1 0 1 0 8 0 ppxss 1192 93 0 93 4 3 1 1 0 8 1 pppxif 1504 7 0 7 3 3 0 1 0 8 0 pffrag 232 11 0 3 2 1 1 1 0 482 0 pffrnode 88 11 0 3 2 1 1 1 0 8 0 pffrent 40 20 0 11 2 1 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 9 0 9 1 1 0 1 0 8 0 pfanchor 1288 2 0 1 2 1 1 1 0 8 0 pftag 88 1 0 1 1 1 0 1 0 8 0 pfstitem 24 125 0 56 1 0 1 1 0 8 0 pfstkey 128 129 0 59 3 0 3 3 0 8 0 pfstate 384 124 0 57 8 0 8 8 0 8 0 pfrule 1344 33 0 26 2 0 2 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 256 954 0 617 31 9 22 29 0 8 0 art_table 40 958 0 617 5 1 4 5 0 8 0 art_node 32 207 0 149 1 0 1 1 0 8 0 sysvmsgpl 40 73 0 72 1 0 1 1 0 8 0 semapl 112 118 0 108 1 0 1 1 0 8 0 shmpl 112 34 0 2 1 0 1 1 0 8 0 dirhash 1024 33 0 16 3 0 3 3 0 8 0 dino2pl 256 4292 0 2769 96 0 96 96 0 8 0 ffsino 296 4292 0 2769 118 0 118 118 0 8 0 nchpl 144 6592 0 6020 64 39 25 64 0 8 0 rtmask 32 21 0 21 4 3 1 1 0 8 1 uvmvnodes 80 4994 0 0 102 0 102 102 0 8 0 vnodes 216 4994 0 0 278 0 278 278 0 8 0 namei 1024 22903 0 22902 5 4 1 2 0 8 0 percpumem 16 167 0 118 1 0 1 1 0 8 0 pfiaddrpl 120 3 0 3 1 1 0 1 0 8 0 kstatmem 264 174 0 146 6 3 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 7 0 7 4 4 0 1 0 8 0 scxspl 216 31288 0 31287 10 9 1 8 1 8 0 plimitpl 152 531 0 511 1 0 1 1 0 8 0 sigapl 424 1926 0 1872 7 0 7 7 0 8 0 knotepl 120 1121 0 0 33 0 33 33 0 8 0 kqueuepl 224 574 0 564 9 7 2 5 0 8 1 pipepl 344 372 0 344 9 6 3 9 0 8 0 fdescpl 528 1895 0 1864 3 0 3 3 0 8 0 filepl 160 12237 0 12011 35 21 14 20 0 8 1 lockfpl 104 686 0 683 2 0 2 2 0 8 1 lockfspl 48 228 0 225 1 0 1 1 0 8 0 sessionpl 144 36 0 27 1 0 1 1 0 8 0 pgrppl 48 70 0 53 1 0 1 1 0 8 0 ucredpl 104 1917 0 1904 1 0 1 1 0 8 0 zombiepl 144 2784 0 2783 2 1 1 1 0 8 0 processpl 1232 1926 0 1872 5 0 5 5 0 8 0 procpl 664 4517 0 4452 8 1 7 7 0 8 0 sosppl 168 17 0 17 4 3 1 1 0 8 1 sockpl 752 3295 0 3261 64 54 10 28 0 8 6 mcl64k 65536 18 0 0 3 0 3 3 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 123 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 37 0 0 5 1 4 5 0 8 0 mtagpl 96 8 0 0 1 0 1 1 0 8 0 mbufpl 256 241 0 0 15 0 15 15 0 8 0 bufpl 280 11802 0 5659 440 0 440 440 0 8 0 anonpl 32 10419 0 0 84 0 84 84 0 246 0 amapchunkpl 152 56244 0 55760 51 21 30 35 0 158 6 amappl16 200 5801 0 5612 55 34 21 21 0 8 3 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 142 0 130 1 0 1 1 0 8 0 amappl13 176 91 0 91 1 1 0 1 0 8 0 amappl12 168 2707 0 2676 2 0 2 2 0 8 0 amappl11 160 87 0 72 1 0 1 1 0 8 0 amappl10 152 110 0 110 1 1 0 1 0 8 0 amappl9 144 255 0 255 1 1 0 1 0 8 0 amappl8 136 23 0 20 1 0 1 1 0 8 0 amappl7 128 132 0 120 1 0 1 1 0 8 0 amappl6 120 257 0 254 1 0 1 1 0 8 0 amappl5 112 151 0 141 1 0 1 1 0 8 0 amappl4 104 333 0 312 1 0 1 1 0 8 0 amappl3 96 11193 0 11079 4 0 4 4 0 8 0 amappl2 88 799 0 736 2 0 2 2 0 8 0 amappl1 80 15748 0 15150 18 4 14 15 0 8 0 amappl 88 15452 0 15287 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 128 255 0 255 3 3 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 36 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1895 0 1864 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1895 0 1864 1 0 1 1 0 8 0 vmmpekpl 168 16889 0 16834 3 0 3 3 0 8 0 vmmpepl 168 124784 0 122600 131 23 108 108 0 357 4 vmsppl 488 1894 0 1864 8 3 5 5 0 8 0 rwobjpl 80 39040 0 32920 130 4 126 126 0 8 0 pdppl 4096 3798 0 3728 118 46 72 86 0 8 2 pvpl 32 18841 0 0 153 1 152 152 0 265 0 pmappl 256 1894 0 1864 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 314 0 70 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83787ff0) 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(ffffffff838f7d38) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838f7d38) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a30ce10,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x44 sys/dev/kcov.c:159 ktrstruct(ffff80002a2b8018,ffffffff833a412b,ffff800001546398,8) at ktrstruct+0xdf sys/kern/kern_ktrace.c:313 dopselect(ffff80002a2b8018,35,77a63f9ed390,0,0,ffff80002a30d340,c0a7e8edf8539eba,ffff80002a30d3e0) at dopselect+0xc6b sys/kern/sys_generic.c:720 sys_pselect(ffff80002a2b8018,ffff80002a30d490,ffff80002a30d3e0) at sys_pselect+0x25a sys/kern/sys_generic.c:589 syscall(ffff80002a30d490) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a30d490) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77a63f9ed340, count: 3 ddb{0}> trace x86_ipi_db(ffffffff83787ff0) 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(ffffffff838f7d38) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838f7d38) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a30ce10,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x44 sys/dev/kcov.c:159 ktrstruct(ffff80002a2b8018,ffffffff833a412b,ffff800001546398,8) at ktrstruct+0xdf sys/kern/kern_ktrace.c:313 dopselect(ffff80002a2b8018,35,77a63f9ed390,0,0,ffff80002a30d340,c0a7e8edf8539eba,ffff80002a30d3e0) at dopselect+0xc6b sys/kern/sys_generic.c:720 sys_pselect(ffff80002a2b8018,ffff80002a30d490,ffff80002a30d3e0) at sys_pselect+0x25a sys/kern/sys_generic.c:589 syscall(ffff80002a30d490) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a30d490) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77a63f9ed340, 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(ffffffff833024e8) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd80610ef600,ffff800036c1f4f8) at vgonel+0x663 vrecycle(fffffd80610ef600,ffff800036c1f4f8) at vrecycle+0x7c sys/kern/vfs_subr.c:1143 ufs_inactive(ffff80003380bc30) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd80610ef600,ffff800036c1f4f8) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd80610ef600) at vput+0xe5 sys/kern/vfs_subr.c:796 VOP_REMOVE(fffffd806103ce60,fffffd80610ef600,ffff80003380bd98) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff800036c1f4f8,ffffff9c,717ddf0ef460,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904 syscall(ffff80003380bf10) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003380bf10) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x717ddf0ef910, count: 4 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833024e8) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd80610ef600,ffff800036c1f4f8) at vgonel+0x663 vrecycle(fffffd80610ef600,ffff800036c1f4f8) at vrecycle+0x7c sys/kern/vfs_subr.c:1143 ufs_inactive(ffff80003380bc30) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd80610ef600,ffff800036c1f4f8) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd80610ef600) at vput+0xe5 sys/kern/vfs_subr.c:796 VOP_REMOVE(fffffd806103ce60,fffffd80610ef600,ffff80003380bd98) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff800036c1f4f8,ffffff9c,717ddf0ef460,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904 syscall(ffff80003380bf10) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003380bf10) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x717ddf0ef910, count: -11