panic: ufsdirhash_lookup: bad offset in hash array Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 72841 28044 0 0 0x4000000 0K syz-executor.1 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82871713) at panic+0x17b sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd8064451cc8,ffff8000211cec00,1,fffffd8064451d94,ffff8000212cb258,0) at ufsdirhash_lookup+0x8b8 sys/ufs/ufs/ufs_dirhash.c:343 ufs_lookup() at ufs_lookup+0xc15 sys/ufs/ufs/ufs_lookup.c:216 VOP_LOOKUP(fffffd8058debdb8,ffff8000212cb6d8,ffff8000212cb708) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 vfs_lookup(ffff8000212cb6a8) at vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 namei(ffff8000212cb6a8) at namei+0x55a sys/kern/vfs_lookup.c:250 vn_open(ffff8000212cb6a8,3,0) at vn_open+0xf8 sys/kern/vfs_vnops.c:140 doopenat(ffff800021267560,4,20000240,2,0,ffff8000212cb880) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126 syscall(ffff8000212cb900) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000212cb900) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x41ff2408a80, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: ufsdirhash_lookup: bad offset in hash array ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82871713) at panic+0x17b sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd8064451cc8,ffff8000211cec00,1,fffffd8064451d94,ffff8000212cb258,0) at ufsdirhash_lookup+0x8b8 sys/ufs/ufs/ufs_dirhash.c:343 ufs_lookup() at ufs_lookup+0xc15 sys/ufs/ufs/ufs_lookup.c:216 VOP_LOOKUP(fffffd8058debdb8,ffff8000212cb6d8,ffff8000212cb708) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 vfs_lookup(ffff8000212cb6a8) at vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 namei(ffff8000212cb6a8) at namei+0x55a sys/kern/vfs_lookup.c:250 vn_open(ffff8000212cb6a8,3,0) at vn_open+0xf8 sys/kern/vfs_vnops.c:140 doopenat(ffff800021267560,4,20000240,2,0,ffff8000212cb880) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126 syscall(ffff8000212cb900) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000212cb900) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x41ff2408a80, count: -11 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000212cb070 rbx 0xffffffff82b89ba7 cpu_info_full_primary+0x2ba7 rdx 0xffff800000d27400 rcx 0xffff800021267560 rax 0xffffffff82b88ff0 cpu_info_full_primary+0x1ff0 r8 0 r9 0x8080808080808080 r10 0x83758dfc65d31553 r11 0xd2c5de0e09df7343 r12 0xffffffff82b899a8 cpu_info_full_primary+0x29a8 r13 0 r14 0 r15 0x1 rip 0xffffffff81468e3c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff8000212cb060 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.1) tid=72841 pid=28044 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff800021266ac0,0xffff8000211dbd58 process=0xffff800021270018 user=0xffff8000212c6000, vmspace=0xfffffd807eff9cb0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 38557 264321 33016 0 2 0 syz-executor.0 38557 3434 33016 0 3 0x4000080 pipewr syz-executor.0 28044 66625 42377 0 2 0 syz-executor.1 *28044 72841 42377 0 7 0x4000000 syz-executor.1 42377 508681 10404 0 2 0x482 syz-executor.1 63326 449512 10404 0 2 0x2 syz-executor.2 53153 322994 10404 0 3 0x82 piperd syz-executor.4 33016 224621 10404 0 3 0x82 nanoslp syz-executor.0 29460 33831 10404 0 3 0x82 piperd syz-executor.5 88695 12424 10404 0 3 0x82 piperd syz-executor.3 43888 393792 10404 0 3 0x82 piperd syz-executor.7 57337 310451 1 0 3 0x100083 ttyin getty 17388 137888 0 0 3 0x14280 nfsidl nfsio 12110 244660 0 0 3 0x14280 nfsidl nfsio 40547 80223 0 0 3 0x14280 nfsidl nfsio 78265 334109 0 0 3 0x14280 nfsidl nfsio 66630 237520 0 0 3 0x14280 nfsidl nfsio 77828 224647 0 0 3 0x14280 nfsidl nfsio 31187 88608 0 0 3 0x14280 nfsidl nfsio 98018 145622 0 0 3 0x14280 nfsidl nfsio 35186 457650 0 0 3 0x14280 nfsidl nfsio 1501 502768 0 0 3 0x14280 nfsidl nfsio 66021 4138 0 0 3 0x14280 nfsidl nfsio 21871 458993 0 0 3 0x14280 nfsidl nfsio 57507 430467 0 0 3 0x14280 nfsidl nfsio 32038 497371 0 0 3 0x14280 nfsidl nfsio 84013 319639 0 0 3 0x14280 nfsidl nfsio 79239 409130 0 0 3 0x14280 nfsidl nfsio 30486 438162 0 0 3 0x14280 nfsidl nfsio 46428 365769 0 0 3 0x14280 nfsidl nfsio 35643 510834 0 0 3 0x14280 nfsidl nfsio 56578 147196 0 0 3 0x14280 nfsidl nfsio 27393 433865 0 0 3 0x14200 bored sosplice 71502 523795 10404 0 3 0x82 nanoslp syz-executor.6 10404 299525 55042 0 3 0x2000082 thrsleep syz-fuzzer 10404 319597 55042 0 2 0x6000482 syz-fuzzer 10404 496171 55042 0 3 0x6000082 wait syz-fuzzer 10404 359429 55042 0 3 0x6000082 wait syz-fuzzer 10404 226757 55042 0 3 0x6000082 thrsleep syz-fuzzer 10404 159416 55042 0 3 0x6000082 wait syz-fuzzer 10404 79806 55042 0 3 0x6000082 thrsleep syz-fuzzer 10404 311943 55042 0 3 0x6000082 kqread syz-fuzzer 10404 41014 55042 0 3 0x6000082 thrsleep syz-fuzzer 10404 421556 55042 0 3 0x6000082 wait syz-fuzzer 10404 305960 55042 0 3 0x6000082 thrsleep syz-fuzzer 10404 350804 55042 0 3 0x6000082 wait syz-fuzzer 10404 406237 55042 0 3 0x6000082 wait syz-fuzzer 10404 175975 55042 0 3 0x6000082 thrsleep syz-fuzzer 10404 156533 55042 0 3 0x6000082 wait syz-fuzzer 10404 118322 55042 0 3 0x6000082 wait syz-fuzzer 55042 6723 44862 0 3 0x10008a sigsusp ksh 44862 414405 36375 0 3 0x9a kqread sshd 36375 483803 1 0 3 0x88 kqread sshd 20155 64412 33508 74 3 0x1100092 bpf pflogd 33508 122506 1 0 3 0x80 netio pflogd 77208 405136 1616 73 3 0x1100090 kqread syslogd 1616 397784 1 0 3 0x100082 netio syslogd 17492 392444 1 0 3 0x100080 kqread resolvd 44017 70391 91659 77 3 0x100092 kqread dhcpleased 55728 482355 91659 77 3 0x100092 kqread dhcpleased 91659 334440 1 0 3 0x80 kqread dhcpleased 37726 323151 0 0 3 0x14200 bored smr 7378 146678 0 0 2 0x14200 zerothread 56855 220029 0 0 3 0x14200 aiodoned aiodoned 7377 285545 0 0 3 0x14200 syncer update 31209 57921 0 0 3 0x14200 cleaner cleaner 11573 170434 0 0 3 0x14200 reaper reaper 53697 502558 0 0 3 0x14200 pgdaemon pagedaemon 86425 487569 0 0 3 0x14200 bored viomb 85791 11658 0 0 3 0x40014200 acpi0 acpi0 99260 380130 0 0 7 0x40014200 idle1 60009 57658 0 0 3 0x14200 bored softnet3 89806 245329 0 0 3 0x14200 bored softnet2 67483 11468 0 0 3 0x14200 bored softnet1 22296 131085 0 0 3 0x14200 bored softnet0 53178 490896 0 0 3 0x14200 bored systqmp 92819 262477 0 0 3 0x14200 bored systq 88643 454641 0 0 3 0x14200 tmoslp softclockmp 95062 215322 0 0 3 0x40014200 tmoslp softclock 22654 233025 0 0 3 0x40014200 idle0 1 186716 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 28044 (syz-executor.1) thread 0xffff800021267560 (72841) exclusive rrwlock inode r = 0 (0xfffffd8064451d60) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 vn_open+0xf8 sys/kern/vfs_vnops.c:140 #8 doopenat+0x26e sys/kern/vfs_syscalls.c:1126 #9 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #9 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #10 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82cdc478) #0 witness_lock+0x447 #1 syscall+0x5cd mi_syscall sys/sys/syscall_mi.h:110 [inline] #1 syscall+0x5cd sys/arch/amd64/amd64/trap.c:623 #2 Xsyscall+0x128 Process 63326 (syz-executor.2) thread 0xffff8000211e3008 (449512) exclusive rrwlock inode r = 0 (0xfffffd8064451700) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1343 #6 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 #10 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #10 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806b9e52b8) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3058 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10202 6494K 7555K 78643K 27362 0 pcb 13 16K 18K 78643K 584 0 rtable 237 7K 7K 78643K 11084 0 pf 34 9K 10K 78643K 256 0 ifaddr 46 16K 17K 78643K 184 0 ifgroup 57 2K 2K 78643K 406 0 sysctl 3 0K 0K 78643K 9 0 counters 62 36K 36K 78643K 226 0 ioctlops 0 0K 4K 78643K 1664 0 iov 0 0K 28K 78643K 688 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1535 96K 97K 78643K 10083 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 13K 78643K 395 0 VM map 2 1K 1K 78643K 2 0 sem 10 0K 1K 78643K 17 0 dirhash 75 13K 15K 78643K 2664 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 13 45K 89K 78643K 13170 0 sigio 0 0K 0K 78643K 167 0 proc 70 91K 115K 78643K 1242 0 subproc 104 6K 6K 78643K 312 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1403 0 in_multi 99 7K 7K 78643K 337 0 ether_multi 1 0K 0K 78643K 15 0 mrt 1 0K 0K 78643K 16 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 67 307K 307K 78643K 67 0 exec 0 0K 1K 78643K 1351 0 pfkey data 0 0K 0K 78643K 8 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 427 212K 227K 78643K 112411 0 UVM aobj 131 4K 4K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 298 0 NDP 13 0K 1K 78643K 143 0 temp 74 5920K 6048K 78643K 107186 0 kqueue 13 20K 26K 78643K 448 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 9587 0 9582 52 49 3 7 0 8 2 rtentry 112 300 0 190 4 0 4 4 0 8 0 unpcb 144 8099 0 8084 77 76 1 7 0 8 0 syncache 304 63 0 63 13 13 0 1 0 8 0 tcpqe 32 188 0 188 8 8 0 1 0 8 0 tcpcb 808 3973 0 3969 86 85 1 14 0 8 0 arp 120 51 0 33 1 0 1 1 0 8 0 inpcb 368 7961 0 7954 114 112 2 14 0 8 1 nd6 136 81 0 57 2 0 2 2 0 8 0 pkpcb 40 8 0 8 2 2 0 1 0 8 0 kcovpl 48 24 0 16 1 0 1 1 0 8 0 ppxss 1256 14 0 13 5 4 1 1 0 8 0 pffrag 232 73 0 72 4 3 1 1 0 482 0 pffrnode 88 73 0 72 4 3 1 1 0 8 0 pffrent 40 223 0 222 4 3 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 24 186 0 177 1 0 1 1 0 8 0 pfstkey 128 186 0 177 1 0 1 1 0 8 0 pfstate 376 186 0 177 6 5 1 4 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1236 0 774 32 1 31 32 0 8 0 art_table 32 1237 0 774 6 1 5 5 0 8 1 art_node 16 296 0 196 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 7 1 1 0 1 0 8 0 semupl 112 6 0 6 1 1 0 1 0 8 0 semapl 112 8 0 0 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 901 0 863 6 0 6 6 0 8 0 dino2pl 256 19093 0 17597 94 0 94 94 0 8 0 ffsino 272 19093 0 17597 101 0 101 101 0 8 0 nchpl 144 35922 0 35430 64 39 25 64 0 8 1 uvmvnodes 80 7883 0 0 161 0 161 161 0 8 0 vnodes 216 7883 0 0 438 0 438 438 0 8 0 namei 1024 123231 0 123229 7 6 1 2 0 8 0 percpumem 16 126 0 82 1 0 1 1 0 8 0 vcpupl 2048 48 0 0 6 0 6 6 0 8 0 vmpool 696 56 0 8 6 1 5 5 0 8 0 kstatmem 264 190 0 164 2 0 2 2 0 8 0 scxspl 216 107233 0 107233 12 11 1 8 1 8 1 plimitpl 152 920 0 904 1 0 1 1 0 8 0 sigapl 424 13541 0 13476 9 1 8 8 0 8 0 futexpl 64 136231 0 136231 3 2 1 1 0 8 1 knotepl 120 669 0 0 13 2 11 11 0 8 0 kqueuepl 216 1586 0 1577 42 41 1 6 0 8 0 pipepl 320 1934 0 1905 55 52 3 9 0 8 0 fdescpl 496 13442 0 13416 5 1 4 5 0 8 0 filepl 152 87131 0 86883 124 111 13 20 0 8 3 lockfpl 104 4066 0 4064 8 7 1 3 0 8 0 lockfspl 48 1822 0 1820 2 1 1 2 0 8 0 sessionpl 144 41 0 24 1 0 1 1 0 8 0 pgrppl 48 140 0 123 1 0 1 1 0 8 0 ucredpl 104 8102 0 8089 1 0 1 1 0 8 0 zombiepl 144 13477 0 13476 4 3 1 1 0 8 0 processpl 1072 13541 0 13476 5 0 5 5 0 8 0 procpl 680 32036 0 31954 19 10 9 9 0 8 1 sosppl 168 82 0 82 14 14 0 1 0 8 0 sockpl 488 25666 0 25639 424 412 12 36 0 8 8 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl16k 16384 8 0 0 1 0 1 1 0 8 0 mcl12k 12288 7 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 9 0 0 2 0 2 2 0 8 0 mcl4k 4096 16 0 0 2 0 2 2 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 330 0 0 29 10 19 29 0 8 0 mtagpl 96 1013 0 0 23 0 23 23 0 8 0 mbufpl 256 7357 0 0 449 0 449 449 0 8 0 bufpl 288 23802 0 15919 564 0 564 564 0 8 0 anonpl 24 1192676 0 1178834 152 41 111 115 0 186 0 amapchunkpl 152 345153 0 344366 87 51 36 47 0 158 0 amappl16 200 22462 0 21878 111 80 31 44 0 8 0 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 209 0 195 2 1 1 2 0 8 0 amappl13 176 8 0 8 1 1 0 1 0 8 0 amappl12 168 14366 0 14333 3 1 2 2 0 8 0 amappl11 160 61 0 47 1 0 1 1 0 8 0 amappl10 152 43 0 33 1 0 1 1 0 8 0 amappl9 144 243 0 241 1 0 1 1 0 8 0 amappl8 136 626 0 478 7 1 6 6 0 8 0 amappl7 128 106 0 93 2 0 2 2 0 8 0 amappl6 120 448 0 421 2 1 1 2 0 8 0 amappl5 112 458 0 446 1 0 1 1 0 8 0 amappl4 104 841 0 790 3 1 2 3 0 8 0 amappl3 96 76683 0 76611 4 1 3 3 0 8 0 amappl2 88 14109 0 14033 3 1 2 3 0 8 0 amappl1 80 122890 0 122220 27 10 17 23 0 8 1 amappl 88 110577 0 110347 8 1 7 7 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 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 13498 0 13424 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 13498 0 13424 1 0 1 1 0 8 0 vmmpekpl 168 87329 0 87252 5 1 4 4 0 8 0 vmmpepl 168 929655 0 926864 318 159 159 159 0 357 20 vmsppl 464 13497 0 13424 11 1 10 10 0 8 0 rwobjpl 56 224114 0 214228 147 5 142 142 0 8 1 pdppl 4096 27004 0 26896 540 422 118 118 0 8 10 pvpl 32 3442735 0 3422979 522 316 206 357 0 265 12 pmappl 248 13497 0 13424 6 1 5 5 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2062 0 652 41 0 41 41 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82871713) at panic+0x17b sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd8064451cc8,ffff8000211cec00,1,fffffd8064451d94,ffff8000212cb258,0) at ufsdirhash_lookup+0x8b8 sys/ufs/ufs/ufs_dirhash.c:343 ufs_lookup() at ufs_lookup+0xc15 sys/ufs/ufs/ufs_lookup.c:216 VOP_LOOKUP(fffffd8058debdb8,ffff8000212cb6d8,ffff8000212cb708) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 vfs_lookup(ffff8000212cb6a8) at vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 namei(ffff8000212cb6a8) at namei+0x55a sys/kern/vfs_lookup.c:250 vn_open(ffff8000212cb6a8,3,0) at vn_open+0xf8 sys/kern/vfs_vnops.c:140 doopenat(ffff800021267560,4,20000240,2,0,ffff8000212cb880) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126 syscall(ffff8000212cb900) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000212cb900) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x41ff2408a80, count: -11 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800020d48ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020d48ff0) at sched_idle+0x41e sys/kern/kern_sched.c:191 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800020d48ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020d48ff0) at sched_idle+0x41e sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -5