panic: bad dir Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *282985 36800 -1 0x10 0x4000000 1K syz-executor 493150 42838 0 0x2 0x1 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83326777) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_lookup() at ufs_lookup+0x1eda VOP_LOOKUP(fffffd8064174d98,ffff80003c485838,ffff80003c485868) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c485808) at vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 namei(ffff80003c485808) at namei+0x7ca sys/kern/vfs_lookup.c:250 dorenameat(ffff80003c46e808,ffffff9c,200000000080,ffffff9c,2000000000c0) at dorenameat+0x91 sys/kern/vfs_syscalls.c:2990 syscall(ffff80003c485a00) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c485a00) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2e1aa06a9c0, 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: bad dir ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83326777) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_lookup() at ufs_lookup+0x1eda VOP_LOOKUP(fffffd8064174d98,ffff80003c485838,ffff80003c485868) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c485808) at vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 namei(ffff80003c485808) at namei+0x7ca sys/kern/vfs_lookup.c:250 dorenameat(ffff80003c46e808,ffffff9c,200000000080,ffffff9c,2000000000c0) at dorenameat+0x91 sys/kern/vfs_syscalls.c:2990 syscall(ffff80003c485a00) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c485a00) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2e1aa06a9c0, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c4853f0 rbx 0xffff8000299dee07 rdx 0xffff80000155db00 rcx 0xffff80003c46e808 rax 0xffff8000299ddff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xd9a8838bfe6c8843 r11 0x436ac7c814c0e48c r12 0xffff8000299dec08 r13 0 r14 0 r15 0x1 rip 0xffffffff81ede1a5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c4853e0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=282985 pid=36800 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=50, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c46fa30,0xffff80003c46e050 process=0xffff8000fffece88 user=0xffff80003c480000, vmspace=0xfffffd806070ed80 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 29746 462157 7134 0 4 0x82004 syz-executor 29746 8986 7134 0 4 0x4082004 syz-executor 29746 202156 7134 0 2 0x4002004 syz-executor 36800 366100 99632 -1 2 0x10 syz-executor *36800 282985 99632 -1 7 0x4000010 syz-executor 8619 288102 17537 0 2 0 syz-executor 8619 58222 17537 0 3 0x4000080 fsleep syz-executor 8619 380441 17537 0 3 0x4000080 fsleep syz-executor 8619 84523 17537 0 2 0x4000000 syz-executor 67269 460302 32335 0 3 0x80 nanoslp syz-executor 67269 10763 32335 0 3 0x4000080 kqsel syz-executor 33297 97838 0 0 3 0x14200 acct acct 43934 460036 42838 0 3 0x82 nanoslp syz-executor 51178 409504 42838 0 3 0x82 nanoslp syz-executor 29998 345230 1 0 3 0x100083 ttyin getty 7134 403903 42838 0 3 0x82 nanoslp syz-executor 59439 51358 0 0 3 0x14280 nfsidl nfsio 41166 218965 0 0 3 0x14280 nfsidl nfsio 76334 386608 0 0 3 0x14280 nfsidl nfsio 39838 464585 0 0 3 0x14280 nfsidl nfsio 33163 327249 0 0 3 0x14280 nfsidl nfsio 53418 335914 0 0 3 0x14280 nfsidl nfsio 14980 512906 0 0 3 0x14280 nfsidl nfsio 18850 328718 0 0 3 0x14280 nfsidl nfsio 97350 46190 0 0 3 0x14280 nfsidl nfsio 13480 349387 0 0 3 0x14280 nfsidl nfsio 34514 258283 0 0 3 0x14280 nfsidl nfsio 45877 511502 0 0 3 0x14280 nfsidl nfsio 28579 279712 0 0 3 0x14280 nfsidl nfsio 3147 445714 0 0 3 0x14280 nfsidl nfsio 48319 415992 0 0 3 0x14280 nfsidl nfsio 82910 486484 0 0 3 0x14280 nfsidl nfsio 96254 289052 0 0 3 0x14280 nfsidl nfsio 94178 503170 0 0 3 0x14280 nfsidl nfsio 39395 165062 0 0 3 0x14280 nfsidl nfsio 46689 500377 0 0 3 0x14280 nfsidl nfsio 63614 484405 42838 0 3 0x2 biowait syz-executor 17537 356354 42838 0 3 0x82 nanoslp syz-executor 32335 511789 42838 0 3 0x82 nanoslp syz-executor 79870 523308 42838 0 3 0x82 nanoslp syz-executor 99632 220586 42838 0 3 0x82 nanoslp syz-executor 42838 493150 51502 0 7 0x3 syz-executor 51502 193119 78970 0 3 0x10008a sigsusp ksh 78970 494624 4721 0 3 0x98 kqread sshd-session 4721 302189 7308 0 3 0x92 kqread sshd-session 7308 229969 1 0 3 0x88 kqread sshd 56387 312719 64199 74 3 0x1100092 bpf pflogd 64199 63480 1 0 3 0x80 sbwait pflogd 19508 260927 54615 73 3 0x1100090 kqread syslogd 54615 481482 1 0 3 0x100082 sbwait syslogd 46072 233630 1 0 3 0x100080 kqread resolvd 13685 100107 47223 77 3 0x100092 kqread dhcpleased 35683 42658 47223 77 3 0x100092 kqread dhcpleased 47223 495837 1 0 3 0x80 kqread dhcpleased 15604 124264 0 0 3 0x14200 bored smr 68105 236339 0 0 2 0x14200 zerothread 37594 236273 0 0 3 0x14200 aiodoned aiodoned 18081 263463 0 0 3 0x14200 syncer update 38951 51960 0 0 3 0x14200 cleaner cleaner 69746 505832 0 0 3 0x14200 reaper reaper 6990 457910 0 0 3 0x14200 pgdaemon pagedaemon 44267 490120 0 0 3 0x14200 bored viomb 96400 346756 0 0 3 0x40014200 acpi0 acpi0 9669 286341 0 0 3 0x40014200 idle1 73358 80315 0 0 3 0x14200 bored softnet1 83422 170672 0 0 2 0x14200 softnet0 72858 244571 0 0 3 0x14200 bored systqmp 57450 233129 0 0 3 0x14200 bored systq 96644 462089 0 0 3 0x14200 tmoslp softclockmp 97032 33282 0 0 3 0x40014200 tmoslp softclock 49453 339039 0 0 3 0x40014200 idle0 1 64656 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 36800 (syz-executor) thread 0xffff80003c46e808 (282985) exclusive rrwlock inode r = 0 (0xfffffd80638cada0) #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 dorenameat+0x91 sys/kern/vfs_syscalls.c:2990 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839609c8) #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 pool_get+0x27e sys/kern/subr_pool.c:591 #3 namei+0xdf sys/kern/vfs_lookup.c:145 #4 dorenameat+0x91 sys/kern/vfs_syscalls.c:2990 #5 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #6 Xsyscall+0x128 Process 63614 (syz-executor) thread 0xffff80002a261a08 (484405) exclusive rrwlock inode r = 0 (0xfffffd80638ca338) #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 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80638ca6b0) #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11098 12177K 12860K 166960K 15653 0 pcb 18 14K 17K 166960K 638 0 rtable 258 15K 15K 166960K 820 0 pf 37 18K 21K 166960K 305 0 ifaddr 41 8K 9K 166960K 169 0 ifgroup 54 2K 2K 166960K 280 0 sysctl 4 1K 9K 166960K 31 0 counters 68 36K 37K 166960K 356 0 ioctlops 0 0K 4K 166960K 2140 0 iov 0 0K 16K 166960K 98 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1555 98K 98K 166960K 3721 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 34 0 VM map 2 1K 1K 166960K 2 0 sem 24 137K 137K 166960K 52 0 dirhash 12 2K 2K 166960K 36 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 2195 0 sigio 0 0K 0K 166960K 67 0 proc 72 115K 164K 166960K 945 0 subproc 72 4K 4K 166960K 127 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 401 0 in_multi 86 6K 7K 166960K 243 0 ether_multi 1 0K 0K 166960K 17 0 mrt 3 0K 0K 166960K 21 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 253 1129K 1129K 166960K 253 0 exec 1 0K 1K 166960K 725 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 255 162K 177K 166960K 21095 0 UVM aobj 140 22K 24K 166960K 147 0 pinsyscall 42 84K 104K 166960K 3488 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 1K 166960K 213 0 NDP 11 0K 2K 166960K 124 0 temp 87 8681K 8760K 166960K 82291 0 kqueue 15 21K 32K 166960K 375 0 SYN cache 2 0K 16K 166960K 4 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 120 294 0 291 5 2 3 3 0 8 2 rtentry 176 250 0 153 6 0 6 6 0 8 0 unpcb 144 1613 0 1594 12 11 1 6 0 8 0 syncache 336 15 0 15 4 4 0 1 0 8 0 tcpqe 32 7 0 7 3 3 0 1 0 8 0 tcpcb 736 1009 0 998 11 9 2 8 0 8 0 arp 136 56 0 29 1 0 1 1 0 8 0 inpcb 328 2753 0 2733 12 9 3 8 0 8 0 nd6 152 45 0 26 1 0 1 1 0 8 0 pkpcb 40 15 0 15 4 3 1 1 0 8 1 kcovpl 48 14 0 6 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 119 0 119 1 0 1 1 0 8 1 pppxif 1504 11 0 11 5 4 1 1 0 8 1 pffrag 232 12 0 1 1 0 1 1 0 482 0 pffrnode 88 10 0 0 1 0 1 1 0 8 0 pffrent 40 17 0 6 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 6 0 6 2 2 0 1 0 8 0 pfstitem 24 113 0 36 1 0 1 1 0 8 0 pfstkey 128 180 0 102 3 0 3 3 0 8 0 pfstate 448 144 0 69 9 0 9 9 0 8 0 pfrule 1344 25 0 20 2 1 1 2 0 8 0 rttmr 136 5 0 5 1 1 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 1083 0 664 37 7 30 31 0 8 0 art_table 40 1087 0 664 5 0 5 5 0 8 0 art_node 32 248 0 164 1 0 1 1 0 8 0 sysvmsgpl 40 25 0 15 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 46 0 24 1 0 1 1 0 8 0 shmpl 112 131 0 3 4 0 4 4 0 8 0 dirhash 1024 33 0 16 3 0 3 3 0 8 0 dino2pl 256 5475 0 3957 96 0 96 96 0 8 0 ffsino 296 5475 0 3957 118 0 118 118 0 8 0 nchpl 144 8389 0 6680 64 0 64 64 0 8 0 rtmask 32 29 0 29 2 1 1 1 0 8 1 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 30152 0 30150 2 1 1 1 0 8 0 percpumem 16 193 0 144 1 0 1 1 0 8 0 vcpupl 3968 11 0 2 2 0 2 2 0 8 0 vmpool 848 13 0 4 2 0 2 2 0 8 0 kstatmem 264 188 0 164 4 2 2 3 0 8 0 scsiplug 72 9 0 9 3 2 1 1 0 8 1 scxspl 216 46610 0 46609 10 9 1 8 1 8 0 plimitpl 152 515 0 495 1 0 1 1 0 8 0 sigapl 424 2491 0 2423 9 1 8 8 0 8 0 knotepl 120 565 0 0 17 0 17 17 0 8 0 kqueuepl 224 879 0 867 10 8 2 5 0 8 0 pipepl 344 427 0 400 15 11 4 9 0 8 0 fdescpl 528 2446 0 2415 3 0 3 3 0 8 0 filepl 160 17726 0 17493 22 8 14 18 0 8 0 lockfpl 104 943 0 941 3 2 1 2 0 8 0 lockfspl 48 333 0 331 1 0 1 1 0 8 0 sessionpl 144 39 0 30 1 0 1 1 0 8 0 pgrppl 48 135 0 118 1 0 1 1 0 8 0 ucredpl 104 3161 0 3143 1 0 1 1 0 8 0 zombiepl 144 2485 0 2482 1 0 1 1 0 8 0 processpl 1232 2491 0 2423 7 1 6 6 0 8 0 procpl 664 5676 0 5601 9 1 8 8 0 8 0 sosppl 176 16 0 16 4 3 1 1 0 8 1 sockpl 752 4796 0 4754 35 24 11 17 0 8 5 mcl64k 65536 5 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 8 0 0 1 0 1 1 0 8 0 mcl4k 4096 120 0 0 15 0 15 15 0 8 0 mcl2k 2048 31 0 0 4 0 4 4 0 8 0 mtagpl 96 149 0 0 4 0 4 4 0 8 0 mbufpl 256 1251 0 0 79 0 79 79 0 8 0 bufpl 280 18743 0 12607 439 0 439 439 0 8 0 anonpl 32 11405 0 0 92 0 92 92 0 246 0 amapchunkpl 152 71215 0 70701 43 17 26 34 0 158 2 amappl16 200 7271 0 7233 57 46 11 27 0 8 6 amappl15 192 19 0 19 1 1 0 1 0 8 0 amappl14 184 28 0 28 1 1 0 1 0 8 0 amappl13 176 497 0 496 1 0 1 1 0 8 0 amappl12 168 2876 0 2833 3 0 3 3 0 8 0 amappl11 160 5 0 5 1 1 0 1 0 8 0 amappl10 152 51 0 37 1 0 1 1 0 8 0 amappl9 144 255 0 255 2 2 0 1 0 8 0 amappl8 136 31 0 28 1 0 1 1 0 8 0 amappl7 128 111 0 108 1 0 1 1 0 8 0 amappl6 120 386 0 372 1 0 1 1 0 8 0 amappl5 112 107 0 96 1 0 1 1 0 8 0 amappl4 104 501 0 471 1 0 1 1 0 8 0 amappl3 96 14642 0 14528 5 1 4 4 0 8 0 amappl2 88 684 0 622 2 0 2 2 0 8 0 amappl1 80 20439 0 19855 15 1 14 15 0 8 0 amappl 88 19907 0 19731 5 0 5 5 0 92 0 uvmvnodes 80 174 0 0 4 0 4 4 0 8 0 dma65536 65536 1 0 1 1 0 1 1 0 8 1 dma4096 4096 2 0 2 2 2 0 1 0 8 0 dma2048 2048 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma512 512 1 0 1 1 1 0 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 8 0 8 3 3 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 72 146 0 7 3 0 3 3 0 8 0 uaddrrnd 24 2446 0 2415 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2446 0 2415 1 0 1 1 0 8 0 vmmpekpl 168 19324 0 19270 3 0 3 3 0 8 0 vmmpepl 168 159668 0 157732 111 16 95 108 0 357 0 vmsppl 488 2445 0 2415 6 1 5 5 0 8 0 rwobjpl 80 42484 0 41228 38 5 33 36 0 8 0 pdppl 4096 4926 0 4847 110 29 81 86 0 8 2 pvpl 32 19326 0 0 157 1 156 156 0 265 0 pmappl 256 2458 0 2419 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 388 0 56 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837d9ff0) 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(ffffffff839607c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839607c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff80002a2d3c30,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff839607c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839607c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 ktrgenio(ffff80002a262540,3,0,ffff8000016d8620,334) at ktrgenio+0x228 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrgenio(ffff80002a262540,3,0,ffff8000016d8620,334) at ktrgenio+0x228 sys/kern/kern_ktrace.c:264 dofilereadv(ffff80002a262540,3,ffff80002a2d3ed8,0,ffff80002a2d3f90) at dofilereadv+0x474 sys/kern/sys_generic.c:268 sys_read(ffff80002a262540,ffff80002a2d4040,ffff80002a2d3f90) at sys_read+0xa2 sys/kern/sys_generic.c:172 syscall(ffff80002a2d4040) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2d4040) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7eab6fdb2300, count: 3 ddb{0}> trace x86_ipi_db(ffffffff837d9ff0) 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(ffffffff839607c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839607c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff80002a2d3c30,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff839607c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839607c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 ktrgenio(ffff80002a262540,3,0,ffff8000016d8620,334) at ktrgenio+0x228 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrgenio(ffff80002a262540,3,0,ffff8000016d8620,334) at ktrgenio+0x228 sys/kern/kern_ktrace.c:264 dofilereadv(ffff80002a262540,3,ffff80002a2d3ed8,0,ffff80002a2d3f90) at dofilereadv+0x474 sys/kern/sys_generic.c:268 sys_read(ffff80002a262540,ffff80002a2d4040,ffff80002a2d3f90) at sys_read+0xa2 sys/kern/sys_generic.c:172 syscall(ffff80002a2d4040) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2d4040) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7eab6fdb2300, 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(ffffffff83326777) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_lookup() at ufs_lookup+0x1eda VOP_LOOKUP(fffffd8064174d98,ffff80003c485838,ffff80003c485868) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c485808) at vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 namei(ffff80003c485808) at namei+0x7ca sys/kern/vfs_lookup.c:250 dorenameat(ffff80003c46e808,ffffff9c,200000000080,ffffff9c,2000000000c0) at dorenameat+0x91 sys/kern/vfs_syscalls.c:2990 syscall(ffff80003c485a00) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c485a00) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2e1aa06a9c0, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83326777) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_lookup() at ufs_lookup+0x1eda VOP_LOOKUP(fffffd8064174d98,ffff80003c485838,ffff80003c485868) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c485808) at vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 namei(ffff80003c485808) at namei+0x7ca sys/kern/vfs_lookup.c:250 dorenameat(ffff80003c46e808,ffffff9c,200000000080,ffffff9c,2000000000c0) at dorenameat+0x91 sys/kern/vfs_syscalls.c:2990 syscall(ffff80003c485a00) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c485a00) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2e1aa06a9c0, count: -9