panic: bad dir Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 381224 4107 0 0 0x4000000 0 syz-executor *401309 19231 0 0x2000 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff832e675b) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_lookup() at ufs_lookup+0x1eda VOP_LOOKUP(fffffd800b039948,ffff80002a38d7e8,ffff80002a38d818) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80002a38d7b8) at vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 namei(ffff80002a38d7b8) at namei+0x7ca sys/kern/vfs_lookup.c:250 sys_unveil(ffff80003c451a20,ffff80002a38d9a0,ffff80002a38d8f0) at sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 syscall(ffff80002a38d9a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a38d9a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9987793f1b0, 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(ffffffff832e675b) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_lookup() at ufs_lookup+0x1eda VOP_LOOKUP(fffffd800b039948,ffff80002a38d7e8,ffff80002a38d818) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80002a38d7b8) at vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 namei(ffff80002a38d7b8) at namei+0x7ca sys/kern/vfs_lookup.c:250 sys_unveil(ffff80003c451a20,ffff80002a38d9a0,ffff80002a38d8f0) at sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 syscall(ffff80002a38d9a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a38d9a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9987793f1b0, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a38d450 rbx 0xffff8000299eeddf rdx 0xffff800000045800 rcx 0xffff80003c451a20 rax 0xffff8000299edff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x798721a08f6361ab r11 0xae99166ace48d511 r12 0xffff8000299eebe0 r13 0 r14 0 r15 0x1 rip 0xffffffff82d2ae85 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a38d440 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=401309 pid=19231 tcnt=2 stat=onproc flags process=2000 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c451a20 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c450fc0,0xffff80003c451500 process=0xffff80003ac24ec0 user=0xffff80002a388000, vmspace=0xfffffd800b027988 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 4107 426049 16169 0 2 0 syz-executor 4107 381224 16169 0 7 0x4000000 syz-executor 35756 97668 76442 0 2 0 syz-executor 35756 403294 76442 0 3 0x4000000 biowait syz-executor 20648 388856 60840 0 2 0 syz-executor 19231 293148 63685 0 4 0x82000 syz-executor *19231 401309 63685 0 7 0x4002000 syz-executor 66689 259280 68858 0 2 0 syz-executor 66689 413879 68858 0 3 0x4000080 fsleep syz-executor 70672 120070 98162 0 2 0 syz-executor 70672 153194 98162 0 3 0x4000080 ttyopn syz-executor 70672 417585 98162 0 3 0x4000080 fsleep syz-executor 55757 322401 48928 0 2 0 syz-executor 55757 292308 48928 0 3 0x4000080 kqread syz-executor 55757 46257 48928 0 3 0x4000080 fsleep syz-executor 55757 211227 48928 0 3 0x4000080 fsleep syz-executor 15160 86743 96921 0 2 0x10 syz-executor 15160 294510 96921 0 3 0x4000090 ttyout syz-executor 15160 121651 96921 0 3 0x4000090 fsleep syz-executor 15160 1139 96921 0 3 0x4000090 ttyout syz-executor 63685 55489 60868 0 3 0x82 nanoslp syz-executor 48928 500156 60868 0 3 0x82 nanoslp syz-executor 98162 304695 60868 0 3 0x82 nanoslp syz-executor 16169 79441 60868 0 3 0x82 nanoslp syz-executor 76442 461202 60868 0 3 0x82 nanoslp syz-executor 40954 191215 1 0 3 0x100083 ttyin getty 6297 448191 0 0 3 0x14200 bored sosplice 96921 385539 60868 0 3 0x82 nanoslp syz-executor 60840 102238 60868 0 3 0x82 nanoslp syz-executor 68858 256292 60868 0 3 0x82 nanoslp syz-executor 60868 311283 59302 0 2 0x2 syz-executor 59302 36102 55178 0 3 0x10008a sigsusp ksh 55178 246854 91934 0 3 0x98 kqread sshd-session 91934 129234 46497 0 3 0x92 kqread sshd-session 46497 31106 1 0 3 0x88 kqread sshd 66366 82316 5795 74 3 0x1100092 bpf pflogd 5795 103761 1 0 3 0x80 sbwait pflogd 64360 259299 78996 73 3 0x1100090 kqread syslogd 78996 14680 1 0 3 0x100082 sbwait syslogd 40466 472541 1 0 3 0x100080 kqread resolvd 29678 12667 347 77 3 0x100092 kqread dhcpleased 41751 383777 347 77 3 0x100092 kqread dhcpleased 347 224426 1 0 3 0x80 kqread dhcpleased 13101 285482 0 0 3 0x14200 bored smr 28161 227409 0 0 2 0x14200 zerothread 80847 377618 0 0 3 0x14200 aiodoned aiodoned 98567 205442 0 0 3 0x14200 syncer update 59617 234769 0 0 3 0x14200 cleaner cleaner 45336 461309 0 0 3 0x14200 reaper reaper 78904 206673 0 0 3 0x14200 pgdaemon pagedaemon 67560 407245 0 0 3 0x14200 bored viomb 98317 235943 0 0 3 0x40014200 acpi0 acpi0 24559 281995 0 0 3 0x40014200 idle1 12138 141186 0 0 3 0x14200 bored softnet7 13804 198231 0 0 3 0x14200 bored softnet6 14307 521737 0 0 3 0x14200 bored softnet5 95930 44672 0 0 3 0x14200 bored softnet4 30477 460904 0 0 3 0x14200 bored softnet3 66954 276403 0 0 3 0x14200 bored softnet2 16230 483799 0 0 3 0x14200 bored softnet1 524 305267 0 0 3 0x14200 bored softnet0 3452 486195 0 0 3 0x14200 bored systqmp 93385 349627 0 0 3 0x14200 bored systq 33936 210992 0 0 3 0x14200 tmoslp softclockmp 84283 344921 0 0 3 0x40014200 tmoslp softclock 440 209467 0 0 3 0x40014200 idle0 1 2288 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 35756 (syz-executor) thread 0xffff800036c094e0 (403294) exclusive rrwlock inode r = 0 (0xfffffd807852f210) #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 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 #8 ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 #9 VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121 #10 domknodat+0x469 sys/kern/vfs_syscalls.c:1640 #11 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8069d3aa20) #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 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domknodat+0xb4 sys/kern/vfs_syscalls.c:1592 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 19231 (syz-executor) thread 0xffff80003c451a20 (401309) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8392bc80) #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:367 #3 biowait+0xc6 sys/kern/vfs_bio.c:1242 #4 ffs_bufatoff+0x16f sys/ufs/ffs/ffs_subr.c:71 #5 ufs_lookup+0x58e sys/ufs/ufs/ufs_lookup.c:256 #6 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #7 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #8 namei+0x7ca sys/kern/vfs_lookup.c:250 #9 sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807e4b5c30) #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 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10239 11117K 11554K 166960K 14005 0 pcb 19 15K 16K 166960K 468 0 rtable 209 12K 12K 166960K 742 0 pf 37 18K 67485K 166960K 261 0 ifaddr 38 7K 7K 166960K 160 0 ifgroup 58 2K 3K 166960K 280 0 sysctl 4 1K 9K 166960K 23 0 counters 68 36K 38K 166960K 296 0 ioctlops 0 0K 4K 166960K 1979 0 iov 0 0K 40K 166960K 169 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1422 89K 90K 166960K 3332 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 10K 14K 166960K 26 0 VM map 2 1K 1K 166960K 2 0 sem 22 17K 17K 166960K 80 0 dirhash 12 2K 2K 166960K 33 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 240K 166960K 2191 0 sigio 0 0K 0K 166960K 66 0 proc 72 115K 164K 166960K 928 0 subproc 72 4K 4K 166960K 132 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 271 0 in_multi 77 5K 7K 166960K 224 0 ether_multi 1 0K 0K 166960K 9 0 mrt 1 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 223 996K 996K 166960K 223 0 exec 0 0K 1K 166960K 761 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 5 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 244 153K 166K 166960K 21013 0 UVM aobj 47 6K 6K 166960K 49 0 pinsyscall 43 86K 104K 166960K 3472 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 107 0 NDP 12 0K 2K 166960K 113 0 temp 84 8654K 8726K 166960K 101433 0 kqueue 15 24K 34K 166960K 394 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 120 326 0 323 4 3 1 3 0 8 0 rtentry 176 267 0 191 5 0 5 5 0 8 0 unpcb 144 2056 0 2039 22 16 6 6 0 8 5 syncache 336 10 0 10 5 5 0 1 0 8 0 tcpqe 32 4 0 4 3 3 0 1 0 8 0 tcpcb 736 717 0 713 13 11 2 7 0 8 1 arp 128 28 0 16 1 0 1 1 0 8 0 inpcb 328 2592 0 2580 33 31 2 13 0 8 0 nd6 144 32 0 15 1 0 1 1 0 8 0 pkpcb 40 27 0 27 6 5 1 1 0 8 1 kcovpl 48 14 0 6 1 0 1 1 0 8 0 ppxss 1192 84 0 84 5 4 1 1 0 8 1 pppxif 1504 15 0 15 6 5 1 1 0 8 1 pffrag 232 33 0 27 1 0 1 1 0 482 0 pffrnode 88 30 0 25 1 0 1 1 0 8 0 pffrent 40 61 0 55 1 0 1 1 0 8 0 pfosfp 40 1429 0 1429 6 5 1 5 0 8 1 pfosfpen 112 1429 0 1429 22 21 1 21 0 8 1 pfrktable 1344 2 0 2 2 2 0 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 4 0 0 1 0 1 1 0 8 0 pfstitem 24 128 0 58 1 0 1 1 0 8 0 pfstkey 128 128 0 59 3 0 3 3 0 8 0 pfstate 384 126 0 58 8 0 8 8 0 8 0 pfrule 1344 35 0 29 2 1 1 2 0 8 0 art_heap8 4096 36 0 34 36 34 2 34 0 8 0 art_heap4 256 993 0 651 35 13 22 35 0 8 0 art_table 40 1029 0 685 6 1 5 6 0 8 0 art_node 32 263 0 198 2 1 1 2 0 8 0 sysvmsgpl 40 17 0 13 2 1 1 1 0 8 0 semupl 112 3 0 3 2 2 0 1 0 8 0 semapl 112 74 0 54 1 0 1 1 0 8 0 shmpl 112 46 0 2 2 0 2 2 0 8 0 dirhash 1024 31 0 14 3 0 3 3 0 8 0 dino2pl 256 5420 0 3900 96 0 96 96 0 8 0 ffsino 296 5420 0 3900 118 0 118 118 0 8 0 nchpl 144 8430 0 6726 64 0 64 64 0 8 0 rtmask 32 12 0 12 3 3 0 1 0 8 0 uvmvnodes 80 6588 0 0 135 0 135 135 0 8 0 vnodes 216 6588 0 0 366 0 366 366 0 8 0 namei 1024 28721 0 28718 6 5 1 2 0 8 0 percpumem 16 163 0 114 1 0 1 1 0 8 0 kstatmem 264 174 0 146 5 2 3 3 0 8 0 acpiwqpl 32 2 0 2 1 0 1 1 1 8 1 scsiplug 72 6 0 6 4 3 1 1 0 8 1 scxspl 216 73234 0 73233 20 19 1 8 1 8 0 plimitpl 152 453 0 434 1 0 1 1 0 8 0 sigapl 424 2499 0 2444 9 1 8 9 0 8 0 knotepl 120 622 0 0 19 0 19 19 0 8 0 kqueuepl 224 808 0 797 11 8 3 5 0 8 2 pipepl 344 436 0 407 10 6 4 9 0 8 0 fdescpl 528 2452 0 2420 3 0 3 3 0 8 0 filepl 160 16717 0 16491 40 24 16 20 0 8 4 lockfpl 104 1054 0 1051 1 0 1 1 0 8 0 lockfspl 48 467 0 464 1 0 1 1 0 8 0 sessionpl 144 35 0 26 1 0 1 1 0 8 0 pgrppl 48 100 0 83 1 0 1 1 0 8 0 ucredpl 104 2819 0 2803 1 0 1 1 0 8 0 zombiepl 144 2536 0 2536 1 0 1 1 0 8 1 processpl 1248 2499 0 2444 6 1 5 6 0 8 0 procpl 664 5862 0 5795 8 0 8 8 0 8 0 sosppl 168 17 0 17 7 6 1 1 0 8 1 sockpl 752 5034 0 5002 84 72 12 27 0 8 8 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 126 0 0 15 0 15 15 0 8 0 mcl2k 2048 49 0 0 6 0 6 6 0 8 0 mtagpl 96 22 0 0 1 0 1 1 0 8 0 mbufpl 256 336 0 0 19 0 19 19 0 8 0 bufpl 280 32471 0 26328 440 0 440 440 0 8 0 anonpl 32 12997 0 0 106 1 105 105 0 246 0 amapchunkpl 152 86875 0 86178 65 36 29 36 0 158 2 amappl16 200 11391 0 11329 109 83 26 28 0 8 14 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 138 0 126 1 0 1 1 0 8 0 amappl13 176 5 0 5 1 1 0 1 0 8 0 amappl12 168 3218 0 3185 4 2 2 3 0 8 0 amappl11 160 50 0 36 1 0 1 1 0 8 0 amappl10 152 12 0 12 1 1 0 1 0 8 0 amappl9 144 255 0 254 2 1 1 1 0 8 0 amappl8 136 20 0 15 1 0 1 1 0 8 0 amappl7 128 197 0 184 1 0 1 1 0 8 0 amappl6 120 248 0 244 1 0 1 1 0 8 0 amappl5 112 149 0 139 1 0 1 1 0 8 0 amappl4 104 343 0 321 1 0 1 1 0 8 0 amappl3 96 14725 0 14611 5 1 4 4 0 8 0 amappl2 88 828 0 765 2 0 2 2 0 8 0 amappl1 80 18132 0 17520 16 2 14 15 0 8 0 amappl 88 19825 0 19651 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 7 0 7 2 2 0 1 0 8 0 dma128 128 254 0 254 2 2 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 48 0 2 1 0 1 1 0 8 0 uaddrrnd 24 2453 0 2421 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2453 0 2421 1 0 1 1 0 8 0 vmmpekpl 168 20309 0 20254 3 0 3 3 0 8 0 vmmpepl 168 162433 0 160328 139 28 111 112 0 357 5 vmsppl 488 2452 0 2421 7 2 5 5 0 8 0 rwobjpl 80 51413 0 43790 168 6 162 162 0 8 0 pdppl 4096 4913 0 4842 121 48 73 85 0 8 2 pvpl 32 21305 0 0 172 0 172 172 0 265 0 pmappl 256 2452 0 2421 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 365 0 119 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83847ff0) 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(ffffffff8392ba78) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8392ba78) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80003c481690,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff8392ba78) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8392ba78) at __mp_lock+0x192 sys/kern/kern_lock.c:165 vn_ioctl(fffffd806bfa6a28,80044b02,ffff80003c4818a0,ffff800036c087e8) at vn_ioctl+0x4d sys/kern/vfs_vnops.c:514 sys_ioctl(ffff800036c087e8,ffff80003c481a80,ffff80003c4819d0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c481a80) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c481a80) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x72858475120, count: 4 ddb{0}> trace x86_ipi_db(ffffffff83847ff0) 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(ffffffff8392ba78) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8392ba78) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80003c481690,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff8392ba78) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8392ba78) at __mp_lock+0x192 sys/kern/kern_lock.c:165 vn_ioctl(fffffd806bfa6a28,80044b02,ffff80003c4818a0,ffff800036c087e8) at vn_ioctl+0x4d sys/kern/vfs_vnops.c:514 sys_ioctl(ffff800036c087e8,ffff80003c481a80,ffff80003c4819d0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c481a80) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c481a80) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x72858475120, count: -11 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(ffffffff832e675b) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_lookup() at ufs_lookup+0x1eda VOP_LOOKUP(fffffd800b039948,ffff80002a38d7e8,ffff80002a38d818) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80002a38d7b8) at vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 namei(ffff80002a38d7b8) at namei+0x7ca sys/kern/vfs_lookup.c:250 sys_unveil(ffff80003c451a20,ffff80002a38d9a0,ffff80002a38d8f0) at sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 syscall(ffff80002a38d9a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a38d9a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9987793f1b0, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff832e675b) at panic+0x1e5 sys/kern/subr_prf.c:198 ufs_lookup() at ufs_lookup+0x1eda VOP_LOOKUP(fffffd800b039948,ffff80002a38d7e8,ffff80002a38d818) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80002a38d7b8) at vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 namei(ffff80002a38d7b8) at namei+0x7ca sys/kern/vfs_lookup.c:250 sys_unveil(ffff80003c451a20,ffff80002a38d9a0,ffff80002a38d8f0) at sys_unveil+0x329 sys/kern/vfs_syscalls.c:1009 syscall(ffff80002a38d9a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a38d9a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9987793f1b0, count: -9