panic: ufsdirhash_lookup: bad offset in hash array Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *168593 36624 0 0 0x4000000 0K syz-executor.2 214490 68540 0 0x14000 0x200 1 reaper db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828740ce) at panic+0x17b sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd8070c7b010,ffff8000211ce000,1,fffffd8070c7b0dc,ffff80002e49d718,0) 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(fffffd80673c9a70,ffff80002e49d9d0,ffff80002e49da00) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 vfs_lookup(ffff80002e49d9a0) at vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 namei(ffff80002e49d9a0) at namei+0x55a sys/kern/vfs_lookup.c:250 sys_utimensat(ffff800021237aa0,ffff80002e49dad0,ffff80002e49db20) at sys_utimensat+0x113 doutimensat sys/kern/vfs_syscalls.c:2655 [inline] sys_utimensat(ffff800021237aa0,ffff80002e49dad0,ffff80002e49db20) at sys_utimensat+0x113 sys/kern/vfs_syscalls.c:2636 syscall(ffff80002e49dba0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e49dba0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2bcf20083a0, count: 5 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(ffffffff828740ce) at panic+0x17b sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd8070c7b010,ffff8000211ce000,1,fffffd8070c7b0dc,ffff80002e49d718,0) 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(fffffd80673c9a70,ffff80002e49d9d0,ffff80002e49da00) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 vfs_lookup(ffff80002e49d9a0) at vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 namei(ffff80002e49d9a0) at namei+0x55a sys/kern/vfs_lookup.c:250 sys_utimensat(ffff800021237aa0,ffff80002e49dad0,ffff80002e49db20) at sys_utimensat+0x113 doutimensat sys/kern/vfs_syscalls.c:2655 [inline] sys_utimensat(ffff800021237aa0,ffff80002e49dad0,ffff80002e49db20) at sys_utimensat+0x113 sys/kern/vfs_syscalls.c:2636 syscall(ffff80002e49dba0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e49dba0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2bcf20083a0, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e49d530 rbx 0xffffffff82c16ba7 cpu_info_full_primary+0x2ba7 rdx 0xffff800000d26240 rcx 0xffff800021237aa0 rax 0xffffffff82c15ff0 cpu_info_full_primary+0x1ff0 r8 0 r9 0x8080808080808080 r10 0xccb95c1e3b333562 r11 0xae47e52054f2ba81 r12 0xffffffff82c169a8 cpu_info_full_primary+0x29a8 r13 0 r14 0 r15 0x1 rip 0xffffffff81c7748c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002e49d520 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.2) tid=168593 pid=36624 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff8000281b9008,0xffff800021237808 process=0xffff8000ffffa9e8 user=0xffff80002e498000, vmspace=0xfffffd8069aaf928 estcpu=34, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 75270 298689 22487 0 2 0 syz-executor.3 11083 318334 24252 0 2 0 syz-executor.0 80586 482833 77586 60928 3 0x3010 suspend syz-executor.4 80586 50790 77586 60928 2 0x4081090 syz-executor.4 80586 282320 77586 60928 2 0x4081090 syz-executor.4 61619 116462 88298 0 2 0 syz-executor.1 61619 440531 88298 0 3 0x4000080 netcon syz-executor.1 61619 65333 88298 0 3 0x4000080 fsleep syz-executor.1 36624 88678 27353 0 2 0 syz-executor.2 *36624 168593 27353 0 7 0x4000000 syz-executor.2 26921 291019 0 0 3 0x14280 nfsidl nfsio 12828 22928 0 0 3 0x14280 nfsidl nfsio 65764 128931 0 0 3 0x14280 nfsidl nfsio 15438 346901 0 0 3 0x14280 nfsidl nfsio 71294 410361 0 0 3 0x14280 nfsidl nfsio 86624 124045 0 0 3 0x14280 nfsidl nfsio 67670 408698 0 0 3 0x14280 nfsidl nfsio 53958 267853 0 0 3 0x14280 nfsidl nfsio 52498 2214 0 0 3 0x14280 nfsidl nfsio 22734 445442 0 0 3 0x14280 nfsidl nfsio 80269 84964 0 0 3 0x14280 nfsidl nfsio 43322 168748 0 0 3 0x14280 nfsidl nfsio 52360 362196 0 0 3 0x14280 nfsidl nfsio 89152 485741 0 0 3 0x14280 nfsidl nfsio 96667 84269 0 0 3 0x14280 nfsidl nfsio 75934 349839 0 0 3 0x14280 nfsidl nfsio 92069 233344 0 0 3 0x14280 nfsidl nfsio 87346 22384 0 0 3 0x14280 nfsidl nfsio 41071 88324 0 0 3 0x14280 nfsidl nfsio 84424 133060 0 0 3 0x14280 nfsidl nfsio 83296 474064 0 0 3 0x14200 acct acct 98428 176788 65293 0 3 0x82 nanoslp syz-executor.7 24252 116897 65293 0 3 0x82 nanoslp syz-executor.0 45452 282121 65293 0 2 0x482 syz-executor.5 88298 347722 65293 0 3 0x82 nanoslp syz-executor.1 44398 198122 0 0 3 0x14200 bored sosplice 22487 373763 65293 0 3 0x82 nanoslp syz-executor.3 56148 175995 65293 0 2 0x2 syz-executor.6 27353 377191 65293 0 3 0x82 nanoslp syz-executor.2 77586 437505 65293 0 3 0x82 nanoslp syz-executor.4 65293 327925 1044 0 3 0x2000082 wait syz-fuzzer 65293 229978 1044 0 3 0x6000082 nanoslp syz-fuzzer 65293 307242 1044 0 3 0x6000082 thrsleep syz-fuzzer 65293 247102 1044 0 3 0x6000082 thrsleep syz-fuzzer 65293 139495 1044 0 3 0x6000082 thrsleep syz-fuzzer 65293 80502 1044 0 3 0x6000082 wait syz-fuzzer 65293 376605 1044 0 3 0x6000082 thrsleep syz-fuzzer 65293 261110 1044 0 3 0x6000082 wait syz-fuzzer 65293 286477 1044 0 3 0x6000082 wait syz-fuzzer 65293 294237 1044 0 3 0x6000082 wait syz-fuzzer 65293 86598 1044 0 3 0x6000082 thrsleep syz-fuzzer 65293 451693 1044 0 3 0x6000082 kqread syz-fuzzer 65293 365499 1044 0 3 0x6000082 wait syz-fuzzer 65293 14878 1044 0 3 0x6000082 wait syz-fuzzer 65293 224068 1044 0 3 0x6000082 thrsleep syz-fuzzer 65293 450339 1044 0 3 0x6000082 wait syz-fuzzer 1044 78251 76660 0 3 0x10008a sigsusp ksh 76660 46991 64375 0 3 0x9a kqread sshd 15674 99571 1 0 3 0x100083 ttyin getty 64375 334843 1 0 3 0x88 kqread sshd 3964 168103 40849 74 3 0x1100092 bpf pflogd 40849 168131 1 0 3 0x80 netio pflogd 22227 263297 5047 73 3 0x1100090 kqread syslogd 5047 322432 1 0 3 0x100082 netio syslogd 54021 176910 1 0 3 0x100080 kqread resolvd 62707 462773 24424 77 3 0x100092 kqread dhcpleased 97879 255060 24424 77 3 0x100092 kqread dhcpleased 24424 326330 1 0 3 0x80 kqread dhcpleased 95521 70937 0 0 3 0x14200 bored smr 46552 426297 0 0 2 0x14200 zerothread 94459 101702 0 0 3 0x14200 aiodoned aiodoned 8618 144667 0 0 3 0x14200 syncer update 99826 282156 0 0 3 0x14200 cleaner cleaner 68540 214490 0 0 7 0x14200 reaper 9586 239247 0 0 3 0x14200 pgdaemon pagedaemon 64261 476221 0 0 3 0x14200 bored viomb 49846 276898 0 0 3 0x40014200 acpi0 acpi0 30343 87796 0 0 3 0x40014200 idle1 96446 342228 0 0 3 0x14200 bored softnet3 35074 309337 0 0 3 0x14200 bored softnet2 20072 431146 0 0 3 0x14200 bored softnet1 60537 35651 0 0 3 0x14200 bored softnet0 20235 85745 0 0 3 0x14200 bored systqmp 97400 64703 0 0 3 0x14200 bored systq 23286 261560 0 0 3 0x14200 tmoslp softclockmp 94502 343241 0 0 3 0x40014200 tmoslp softclock 78233 339898 0 0 3 0x40014200 idle0 1 1662 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 36624 (syz-executor.2) thread 0xffff800021237aa0 (168593) exclusive rrwlock inode r = 0 (0xfffffd8070c7b0a8) #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 sys_utimensat+0x113 doutimensat sys/kern/vfs_syscalls.c:2655 [inline] #7 sys_utimensat+0x113 sys/kern/vfs_syscalls.c:2636 #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 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82c62430) #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 56148 (syz-executor.6) thread 0xffff800021267560 (175995) exclusive rrwlock inode r = 0 (0xfffffd807c0bd5f8) #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 vget+0x200 sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1314 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 #11 namei+0x55a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #13 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #13 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8070c7b4e8) #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 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #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 10295 6651K 7638K 78643K 43657 0 pcb 13 15K 19K 78643K 361 0 rtable 237 7K 7K 78643K 671 0 pf 35 10K 10K 78643K 145 0 ifaddr 46 16K 16K 78643K 106 0 ifgroup 60 2K 2K 78643K 221 0 sysctl 3 0K 0K 78643K 3 0 counters 62 36K 36K 78643K 146 0 ioctlops 0 0K 4K 78643K 1591 0 iov 0 0K 20K 78643K 1259 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1513 95K 95K 78643K 9573 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 86 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 3484 0 dirhash 84 15K 17K 78643K 3801 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 15 53K 93K 78643K 8664 0 sigio 0 0K 0K 78643K 2098 0 proc 71 91K 140K 78643K 744 0 subproc 104 6K 6K 78643K 156 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 95 0 in_multi 99 7K 7K 78643K 213 0 ether_multi 1 0K 0K 78643K 10 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 211 943K 943K 78643K 211 0 exec 0 0K 1K 78643K 570 0 pfkey data 0 0K 0K 78643K 3 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 399 91K 93K 78643K 85578 0 UVM aobj 131 8K 8K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 124 0 NDP 13 0K 1K 78643K 79 0 temp 74 5920K 6000K 78643K 47420 0 kqueue 12 18K 24K 78643K 256 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 120 317 0 314 8 7 1 3 0 8 0 rtentry 112 191 0 81 4 0 4 4 0 8 0 unpcb 144 7494 0 7477 35 29 6 11 0 8 5 syncache 304 32 0 32 10 10 0 1 0 8 0 tcpqe 32 214 0 214 7 7 0 1 0 8 0 tcpcb 808 2078 0 2066 54 52 2 8 0 8 0 arp 120 27 0 9 1 0 1 1 0 8 0 inpcb 368 3342 0 3326 68 66 2 13 0 8 0 nd6 136 36 0 12 1 0 1 1 0 8 0 pkpcb 40 5 0 5 2 2 0 1 0 8 0 kcovpl 48 12 0 4 1 0 1 1 0 8 0 ppxss 1256 11 0 11 3 3 0 1 0 8 0 pffrag 232 14 0 11 2 1 1 1 0 482 0 pffrnode 88 14 0 11 2 1 1 1 0 8 0 pffrent 40 53 0 50 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 pfstitem 24 108 0 93 1 0 1 1 0 8 0 pfstkey 128 108 0 93 1 0 1 1 0 8 0 pfstate 376 108 0 93 5 2 3 3 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 256 636 0 177 29 0 29 29 0 8 0 art_table 32 637 0 177 4 0 4 4 0 8 0 art_node 16 155 0 55 1 0 1 1 0 8 0 sysvmsgpl 40 134 0 108 1 0 1 1 0 8 0 semapl 112 3482 0 3472 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 1280 0 1239 6 0 6 6 0 8 0 dino2pl 256 12200 0 10731 93 0 93 93 0 8 0 ffsino 272 12200 0 10731 99 0 99 99 0 8 0 nchpl 144 25026 0 24533 64 40 24 64 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 89862 0 89861 6 4 2 2 0 8 1 percpumem 16 86 0 42 1 0 1 1 0 8 0 vmpool 696 12 0 12 3 3 0 1 0 8 0 kstatmem 264 110 0 84 2 0 2 2 0 8 0 scxspl 216 69262 0 69262 16 15 1 8 1 8 1 plimitpl 152 250 0 234 1 0 1 1 0 8 0 sigapl 424 9084 0 9014 9 1 8 8 0 8 0 futexpl 64 81497 0 81494 1 0 1 1 0 8 0 knotepl 120 364 0 0 11 0 11 11 0 8 0 kqueuepl 216 941 0 933 24 23 1 8 0 8 0 pipepl 320 787 0 759 22 19 3 8 0 8 0 fdescpl 496 8964 0 8935 5 1 4 5 0 8 0 filepl 152 44140 0 43894 68 53 15 21 0 8 3 lockfpl 104 7080 0 7078 10 9 1 4 0 8 0 lockfspl 48 3502 0 3500 2 1 1 2 0 8 0 sessionpl 144 28 0 11 1 0 1 1 0 8 0 pgrppl 48 164 0 147 1 0 1 1 0 8 0 ucredpl 104 2895 0 2882 1 0 1 1 0 8 0 zombiepl 144 9017 0 9014 2 1 1 1 0 8 0 processpl 1072 9084 0 9014 5 0 5 5 0 8 0 procpl 680 23813 0 23722 10 1 9 10 0 8 0 sosppl 168 33 0 33 7 7 0 1 0 8 0 sockpl 488 11161 0 11125 269 256 13 37 0 8 7 mcl64k 65536 25 0 0 3 0 3 3 0 8 0 mcl16k 16384 28 0 0 3 1 2 3 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 19 0 0 2 0 2 2 0 8 0 mcl8k 8192 18 0 0 3 0 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 248 0 0 30 0 30 30 0 8 0 mtagpl 96 1276 0 0 31 0 31 31 0 8 0 mbufpl 256 3008 0 0 184 0 184 184 0 8 0 bufpl 288 14626 0 8298 453 0 453 453 0 8 0 anonpl 24 880070 0 866518 153 45 108 108 0 186 18 amapchunkpl 152 268805 0 267918 41 1 40 41 0 158 0 amappl16 200 17653 0 17313 67 40 27 31 0 8 8 amappl15 192 17 0 16 1 0 1 1 0 8 0 amappl14 184 189 0 175 2 1 1 2 0 8 0 amappl13 176 18 0 18 2 2 0 1 0 8 0 amappl12 168 9719 0 9689 4 2 2 3 0 8 0 amappl11 160 71 0 56 1 0 1 1 0 8 0 amappl10 152 49 0 38 1 0 1 1 0 8 0 amappl9 144 393 0 391 1 0 1 1 0 8 0 amappl8 136 558 0 446 4 0 4 4 0 8 0 amappl7 128 202 0 186 2 0 2 2 0 8 0 amappl6 120 358 0 334 2 1 1 2 0 8 0 amappl5 112 301 0 290 1 0 1 1 0 8 0 amappl4 104 766 0 722 3 1 2 3 0 8 0 amappl3 96 53474 0 53398 4 1 3 3 0 8 0 amappl2 88 10526 0 10454 3 1 2 3 0 8 0 amappl1 80 39471 0 38913 23 10 13 23 0 8 0 amappl 88 84883 0 84637 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 8976 0 8947 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 8976 0 8947 1 0 1 1 0 8 0 vmmpekpl 168 62815 0 62747 5 1 4 4 0 8 0 vmmpepl 168 523659 0 521320 193 74 119 131 0 357 10 vmsppl 464 8975 0 8947 5 1 4 5 0 8 0 rwobjpl 56 134343 0 126790 120 9 111 111 0 8 2 pdppl 4096 17960 0 17894 290 220 70 84 0 8 4 pvpl 32 2394273 0 2374754 380 184 196 339 0 265 31 pmappl 248 8975 0 8947 3 1 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1341 0 349 29 0 29 29 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(ffffffff828740ce) at panic+0x17b sys/kern/subr_prf.c:198 ufsdirhash_lookup(fffffd8070c7b010,ffff8000211ce000,1,fffffd8070c7b0dc,ffff80002e49d718,0) 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(fffffd80673c9a70,ffff80002e49d9d0,ffff80002e49da00) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 vfs_lookup(ffff80002e49d9a0) at vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 namei(ffff80002e49d9a0) at namei+0x55a sys/kern/vfs_lookup.c:250 sys_utimensat(ffff800021237aa0,ffff80002e49dad0,ffff80002e49db20) at sys_utimensat+0x113 doutimensat sys/kern/vfs_syscalls.c:2655 [inline] sys_utimensat(ffff800021237aa0,ffff80002e49dad0,ffff80002e49db20) at sys_utimensat+0x113 sys/kern/vfs_syscalls.c:2636 syscall(ffff80002e49dba0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e49dba0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2bcf20083a0, count: -10 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 __mp_lock(ffffffff82c62228) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c62228) at __mp_lock+0x122 sys/kern/kern_lock.c:147 reaper(ffff8000211a32a0) at reaper+0x160 sys/kern/kern_exit.c:446 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 __mp_lock(ffffffff82c62228) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c62228) at __mp_lock+0x122 sys/kern/kern_lock.c:147 reaper(ffff8000211a32a0) at reaper+0x160 sys/kern/kern_exit.c:446 end trace frame: 0x0, count: -5