Warning: Permanently added '10.128.1.157' (ED25519) to the list of known hosts. 2026/06/04 02:39:22 ignoring optional flag "type"="gce" 2026/06/04 02:39:22 parsed 1 programs 2026/06/04 02:39:23 executed programs: 0 panic: ufsdirhash_lookup: bad offset in hash array Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *264107 75811 0 0 0x4000000 0 syz-executor.0 db_enter() at db_enter+0x25 panic(ffffffff834a98b8) at panic+0x1cf ufsdirhash_lookup(fffffa0069753300,ffff80002a7d0400,1,fffffa00697533bc,ffff80002a83f7c0,ffff80002a83f7cc) at ufsdirhash_lookup+0xb9a ufs_lookup() at ufs_lookup+0xf66 VOP_LOOKUP(fffffa0075463b40,ffff80002a83fb18,ffff80002a83fb48) at VOP_LOOKUP+0x6e vfs_lookup(ffff80002a83fae8) at vfs_lookup+0x94a namei(ffff80002a83fae8) at namei+0x7c3 dorenameat(ffff80002a75b4d8,4,200000c0,3,0) at dorenameat+0x91 syscall(ffff80002a83fcd0) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2e8f570b490, 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> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic *cpu0: ufsdirhash_lookup: bad offset in hash array ddb> trace db_enter() at db_enter+0x25 panic(ffffffff834a98b8) at panic+0x1cf ufsdirhash_lookup(fffffa0069753300,ffff80002a7d0400,1,fffffa00697533bc,ffff80002a83f7c0,ffff80002a83f7cc) at ufsdirhash_lookup+0xb9a ufs_lookup() at ufs_lookup+0xf66 VOP_LOOKUP(fffffa0075463b40,ffff80002a83fb18,ffff80002a83fb48) at VOP_LOOKUP+0x6e vfs_lookup(ffff80002a83fae8) at vfs_lookup+0x94a namei(ffff80002a83fae8) at namei+0x7c3 dorenameat(ffff80002a75b4d8,4,200000c0,3,0) at dorenameat+0x91 syscall(ffff80002a83fcd0) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2e8f570b490, count: -10 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80002a83f5f0 rbx 0xffff800000c55b60 rdx 0x3fd rcx 0 rax 0x33 r8 0x101010101010101 r9 0x8080808080808080 r10 0x7eafac954c10ca29 r11 0xacf6754d8efe22d1 r12 0 r13 0xffff8000015b9000 r14 0 r15 0x1 rip 0xffffffff82438465 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a83f5e0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb> show proc PROC (syz-executor.0) tid=264107 pid=75811 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=54, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a75bca0,0xffffffff83ae5008 process=0xffff80002a79c490 user=0xffff80002a83a000, vmspace=0xfffffa007ec5fe60 estcpu=36, cpticks=2, pctcpu=0.0, user=1, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 75811 376812 62670 0 2 0 syz-executor.0 *75811 264107 62670 0 7 0x4000000 syz-executor.0 62670 520159 89020 0 3 0x82 nanoslp syz-executor.0 89020 215227 13581 0 3 0x82 kqread syz-execprog 89020 206030 13581 0 3 0x4000082 thrsleep syz-execprog 89020 474459 13581 0 3 0x4000082 thrsleep syz-execprog 89020 515156 13581 0 3 0x4000082 thrsleep syz-execprog 89020 214895 13581 0 3 0x4000082 thrsleep syz-execprog 89020 186172 13581 0 3 0x4000082 thrsleep syz-execprog 89020 280185 13581 0 3 0x4000082 wait syz-execprog 89020 184039 13581 0 3 0x4000082 thrsleep syz-execprog 89020 253027 13581 0 3 0x4000082 thrsleep syz-execprog 89020 120483 13581 0 3 0x4000082 thrsleep syz-execprog 13581 332211 56171 0 3 0x10008a sigsusp ksh 56171 68326 77578 0 3 0x98 kqread sshd-session 77578 450011 44099 0 3 0x92 kqread sshd-session 5269 460732 1 0 3 0x100083 ttyin getty 44099 174903 1 0 3 0x88 kqread sshd 10951 119715 67955 73 3 0x1100090 kqread syslogd 67955 7050 1 0 3 0x100082 sbwait syslogd 63200 288515 1 0 3 0x100080 kqread resolvd 49636 447518 75180 77 3 0x100092 kqread dhcpleased 19166 5627 75180 77 3 0x100092 kqread dhcpleased 75180 57916 1 0 3 0x80 kqread dhcpleased 96598 94483 0 0 3 0x14200 bored smr 45658 336465 0 0 2 0x14200 zerothread 45755 507604 0 0 3 0x14200 aiodoned aiodoned 3026 64843 0 0 3 0x14200 syncer update 71677 84432 0 0 3 0x14200 cleaner cleaner 60908 81603 0 0 3 0x14200 reaper reaper 79607 456613 0 0 3 0x14200 pgdaemon pagedaemon 23476 93643 0 0 3 0x14200 bored viomb 65581 266659 0 0 3 0x40014200 acpi0 acpi0 14562 25835 0 0 3 0x14200 bored softnet0 95429 442967 0 0 3 0x14200 smrbar systqmp 5714 499967 0 0 3 0x14200 bored systq 89071 449080 0 0 3 0x40014200 tmoslp softclock 77325 328152 0 0 3 0x40014200 idle0 1 140868 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11003 12086K 12118K 166960K 12090 0 pcb 17 12K 12K 166960K 17 0 rtable 83 2K 2K 166960K 171 0 pf 16 10K 10K 166960K 19 0 ifaddr 14 2K 2K 166960K 18 0 ifgroup 22 1K 1K 166960K 27 0 sysctl 1 1K 9K 166960K 5 0 counters 26 16K 16K 166960K 27 0 ioctlops 0 0K 2K 166960K 23 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1215 76K 77K 166960K 1280 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 21 3K 3K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 3 8K 12K 166960K 35 0 proc 57 58K 67K 166960K 327 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 in_multi 22 1K 1K 166960K 33 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 25 122K 122K 166960K 25 0 exec 0 0K 1K 166960K 362 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 170 104K 206K 166960K 3802 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 26 52K 104K 166960K 1362 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 6 0K 0K 166960K 9 0 temp 1 9100K 9108K 166960K 4162 0 kqueue 13 20K 20K 166960K 64 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 23 0 20 1 0 1 1 0 8 0 rtentry 136 45 0 12 2 0 2 2 0 8 0 unpcb 144 103 0 88 1 0 1 1 0 8 0 syncache 336 15 0 15 1 0 1 1 0 8 1 tcpcb 736 18 0 15 1 0 1 1 0 8 0 arp 96 6 0 2 1 0 1 1 0 8 0 inpcb 328 44 0 38 1 0 1 1 0 8 0 nd6 112 6 0 3 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 193 0 48 10 0 10 10 0 8 0 art_table 40 194 0 48 2 0 2 2 0 8 0 art_node 32 45 0 14 1 0 1 1 0 8 0 dirhash 1024 20 0 0 3 0 3 3 0 8 0 dino2pl 256 1575 0 127 91 0 91 91 0 8 0 ffsino 256 1575 0 127 91 0 91 91 0 8 0 nchpl 144 1835 0 105 65 0 65 65 0 8 0 vnodes 216 1584 0 0 88 0 88 88 0 8 0 namei 1024 6793 0 6792 3 0 3 3 0 8 2 kstatmem 264 11 0 2 1 0 1 1 0 8 0 scxspl 216 9613 0 9613 8 0 8 8 1 8 8 plimitpl 152 63 0 54 1 0 1 1 0 8 0 sigapl 424 435 0 406 5 0 5 5 0 8 1 knotepl 120 7124 0 7087 2 0 2 2 0 8 0 kqueuepl 184 60 0 51 1 0 1 1 0 8 0 pipepl 304 189 0 182 1 0 1 1 0 8 0 fdescpl 448 422 0 406 4 0 4 4 0 8 2 filepl 120 2174 0 2103 3 0 3 3 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 39 0 30 1 0 1 1 0 8 0 pgrppl 48 39 0 30 1 0 1 1 0 8 0 ucredpl 104 231 0 220 1 0 1 1 0 8 0 zombiepl 144 406 0 406 1 0 1 1 0 8 1 processpl 1152 435 0 406 3 0 3 3 0 8 0 procpl 664 456 0 417 5 0 5 5 0 8 1 sockpl 552 170 0 146 2 0 2 2 0 8 0 mcl8k 8192 4 0 4 1 0 1 1 0 8 1 mcl4k 4096 10288 0 10231 21 6 15 21 0 8 7 mcl2k 2048 120 0 120 1 0 1 1 0 8 1 mtagpl 96 4 0 4 1 0 1 1 0 8 1 mbufpl 256 14375 0 14304 11 0 11 11 0 8 6 bufpl 280 4653 0 176 320 0 320 320 0 8 0 anonpl 24 167223 0 163811 59 0 59 59 0 186 27 amapchunkpl 152 10923 0 10553 30 0 30 30 0 158 10 amappl16 200 2802 0 2737 5 0 5 5 0 8 1 amappl15 192 27 0 26 1 0 1 1 0 8 0 amappl14 184 390 0 387 1 0 1 1 0 8 0 amappl13 176 279 0 265 2 0 2 2 0 8 0 amappl12 168 684 0 669 2 0 2 2 0 8 1 amappl11 160 8 0 8 1 0 1 1 0 8 1 amappl10 152 110 0 97 2 0 2 2 0 8 1 amappl9 144 1185 0 1185 1 0 1 1 0 8 1 amappl8 136 164 0 146 1 0 1 1 0 8 0 amappl7 128 260 0 246 2 0 2 2 0 8 0 amappl6 120 165 0 163 1 0 1 1 0 8 0 amappl5 112 186 0 179 1 0 1 1 0 8 0 amappl4 104 529 0 512 2 0 2 2 0 8 1 amappl3 96 1390 0 1343 2 0 2 2 0 8 0 amappl2 88 1167 0 1107 5 0 5 5 0 8 2 amappl1 80 23983 0 23487 27 7 20 23 0 8 9 amappl 88 2702 0 2610 5 0 5 5 0 92 1 uvmvnodes 80 89 0 0 2 0 2 2 0 8 0 dma4096 4096 1 0 1 1 0 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 0 1 1 0 8 1 dma128 128 253 0 253 1 0 1 1 0 8 1 dma64 64 6 0 6 1 0 1 1 0 8 1 dma32 32 7 0 7 1 0 1 1 0 8 1 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 422 0 406 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 422 0 406 1 0 1 1 0 8 0 vmmpekpl 168 13321 0 13293 2 0 2 2 0 8 0 vmmpepl 168 68823 0 67501 122 0 122 122 0 357 56 vmsppl 368 421 0 406 3 0 3 3 0 8 1 rwobjpl 40 29082 0 28235 19 1 18 19 0 8 2 pdppl 4096 850 0 812 102 42 60 62 0 8 22 pvpl 32 540938 0 532680 469 150 319 445 0 265 237 pmappl 216 421 0 406 2 0 2 2 0 8 1 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 347 0 48 9 0 9 9 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace db_enter() at db_enter+0x25 panic(ffffffff834a98b8) at panic+0x1cf ufsdirhash_lookup(fffffa0069753300,ffff80002a7d0400,1,fffffa00697533bc,ffff80002a83f7c0,ffff80002a83f7cc) at ufsdirhash_lookup+0xb9a ufs_lookup() at ufs_lookup+0xf66 VOP_LOOKUP(fffffa0075463b40,ffff80002a83fb18,ffff80002a83fb48) at VOP_LOOKUP+0x6e vfs_lookup(ffff80002a83fae8) at vfs_lookup+0x94a namei(ffff80002a83fae8) at namei+0x7c3 dorenameat(ffff80002a75b4d8,4,200000c0,3,0) at dorenameat+0x91 syscall(ffff80002a83fcd0) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2e8f570b490, count: -10 ddb> machine ddbcpu 1 No such command ddb> trace db_enter() at db_enter+0x25 panic(ffffffff834a98b8) at panic+0x1cf ufsdirhash_lookup(fffffa0069753300,ffff80002a7d0400,1,fffffa00697533bc,ffff80002a83f7c0,ffff80002a83f7cc) at ufsdirhash_lookup+0xb9a ufs_lookup() at ufs_lookup+0xf66 VOP_LOOKUP(fffffa0075463b40,ffff80002a83fb18,ffff80002a83fb48) at VOP_LOOKUP+0x6e vfs_lookup(ffff80002a83fae8) at vfs_lookup+0x94a namei(ffff80002a83fae8) at namei+0x7c3 dorenameat(ffff80002a75b4d8,4,200000c0,3,0) at dorenameat+0x91 syscall(ffff80002a83fcd0) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2e8f570b490, count: -10