Warning: Permanently added '10.128.1.167' (ED25519) to the list of known hosts. 2026/05/21 02:15:10 ignoring optional flag "type"="gce" 2026/05/21 02:15:10 parsed 1 programs 2026/05/21 02:15:12 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 *474290 4582 0 0 0x4000000 0 syz-executor.0 db_enter() at db_enter+0x25 panic(ffffffff834a508b) at panic+0x1cf ufsdirhash_lookup(fffffd8069975a00,ffffffff8347c662,2,fffffd8069975abc,ffff80002a7655e0,0) at ufsdirhash_lookup+0xb9a ufs_lookup() at ufs_lookup+0xf66 VOP_LOOKUP(fffffd806c942dc8,ffff80002a765778,ffff80002a765710) at VOP_LOOKUP+0x6e unveil_find_cover(fffffd806c942dc8,ffff80002a7be7e0) at unveil_find_cover+0x17c unveil_start_relative(ffff80002a7be7e0,ffff80002a765ad0,fffffd806c942dc8) at unveil_start_relative+0x16e namei(ffff80002a765ad0) at namei+0x650 vn_open(ffff80002a765ad0,201,0) at vn_open+0x22e doopenat(ffff80002a7be7e0,4,20000240,200,0,0,422c97909db11ee9) at doopenat+0x352 sys_openat(ffff80002a7be7e0,ffff80002a765d70,ffff80002a765cc0) at sys_openat+0x58 syscall(ffff80002a765d70) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x87022dd19c0, count: 2 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(ffffffff834a508b) at panic+0x1cf ufsdirhash_lookup(fffffd8069975a00,ffffffff8347c662,2,fffffd8069975abc,ffff80002a7655e0,0) at ufsdirhash_lookup+0xb9a ufs_lookup() at ufs_lookup+0xf66 VOP_LOOKUP(fffffd806c942dc8,ffff80002a765778,ffff80002a765710) at VOP_LOOKUP+0x6e unveil_find_cover(fffffd806c942dc8,ffff80002a7be7e0) at unveil_find_cover+0x17c unveil_start_relative(ffff80002a7be7e0,ffff80002a765ad0,fffffd806c942dc8) at unveil_start_relative+0x16e namei(ffff80002a765ad0) at namei+0x650 vn_open(ffff80002a765ad0,201,0) at vn_open+0x22e doopenat(ffff80002a7be7e0,4,20000240,200,0,0,422c97909db11ee9) at doopenat+0x352 sys_openat(ffff80002a7be7e0,ffff80002a765d70,ffff80002a765cc0) at sys_openat+0x58 syscall(ffff80002a765d70) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x87022dd19c0, count: -13 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80002a765410 rbx 0xffff800000c55520 rdx 0x3fd rcx 0 rax 0x33 r8 0x101010101010101 r9 0x8080808080808080 r10 0x84208dad1defe8e0 r11 0x6fede5a05dbca949 r12 0 r13 0xffff8000015b7600 r14 0 r15 0x1 rip 0xffffffff82b49075 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a765400 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb> show proc PROC (syz-executor.0) tid=474290 pid=4582 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a7be2b0,0xffffffff83a358d8 process=0xffff80002a796890 user=0xffff80002a760000, vmspace=0xfffffd807ec68000 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 4582 350734 54806 0 2 0 syz-executor.0 * 4582 474290 54806 0 7 0x4000000 syz-executor.0 54806 48691 56223 0 2 0xc82 syz-executor.0 56223 399638 38739 0 3 0x82 thrsleep syz-execprog 56223 94780 38739 0 3 0x4000082 thrsleep syz-execprog 56223 10347 38739 0 3 0x4000082 thrsleep syz-execprog 56223 23218 38739 0 3 0x4000082 kqread syz-execprog 56223 235760 38739 0 3 0x4000082 thrsleep syz-execprog 56223 37154 38739 0 3 0x4000082 wait syz-execprog 56223 478693 38739 0 3 0x4000082 thrsleep syz-execprog 56223 247833 38739 0 3 0x4000082 thrsleep syz-execprog 56223 396409 38739 0 3 0x4000082 thrsleep syz-execprog 38739 340085 89717 0 3 0x10008a sigsusp ksh 89717 446381 52310 0 3 0x98 kqread sshd-session 52310 49959 89650 0 3 0x92 kqread sshd-session 74400 144017 1 0 3 0x100083 ttyin getty 89650 198112 1 0 3 0x88 kqread sshd 15919 244633 15593 73 3 0x1100090 kqread syslogd 15593 302766 1 0 3 0x100082 sbwait syslogd 45093 229510 1 0 3 0x100080 kqread resolvd 98060 189602 93018 77 3 0x100092 kqread dhcpleased 74583 106923 93018 77 3 0x100092 kqread dhcpleased 93018 330945 1 0 3 0x80 kqread dhcpleased 91355 299507 0 0 3 0x14200 bored smr 55468 274049 0 0 2 0x14200 zerothread 97172 254849 0 0 3 0x14200 aiodoned aiodoned 34206 169160 0 0 3 0x14200 syncer update 4673 484328 0 0 3 0x14200 cleaner cleaner 47635 316805 0 0 3 0x14200 reaper reaper 96218 468502 0 0 3 0x14200 pgdaemon pagedaemon 11010 46538 0 0 3 0x14200 bored viomb 65777 433222 0 0 3 0x40014200 acpi0 acpi0 32042 170079 0 0 3 0x14200 bored softnet0 43271 34668 0 0 3 0x14200 smrbar systqmp 61305 523984 0 0 3 0x14200 bored systq 14834 346214 0 0 3 0x40014200 tmoslp softclock 87929 326351 0 0 3 0x40014200 idle0 1 378399 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 11006 12086K 12119K 166960K 12093 0 pcb 17 12K 12K 166960K 17 0 rtable 83 2K 2K 166960K 175 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 30 5K 5K 166960K 30 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 3 8K 12K 166960K 35 0 proc 58 66K 67K 166960K 328 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 369 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 163 93K 208K 166960K 3801 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 26 52K 104K 166960K 1385 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 9164K 166960K 4326 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 25 0 22 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 23 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 0 106 65 0 65 65 0 8 0 vnodes 216 1584 0 0 88 0 88 88 0 8 0 namei 1024 6830 0 6829 3 0 3 3 0 8 2 kstatmem 264 11 0 2 1 0 1 1 0 8 0 scxspl 216 9377 0 9377 8 0 8 8 1 8 8 plimitpl 152 63 0 54 1 0 1 1 0 8 0 sigapl 424 442 0 413 5 0 5 5 0 8 1 knotepl 120 5973 0 5936 2 0 2 2 0 8 0 kqueuepl 184 60 0 51 1 0 1 1 0 8 0 pipepl 304 191 0 184 2 0 2 2 0 8 1 fdescpl 448 429 0 413 4 0 4 4 0 8 1 filepl 120 2186 0 2114 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 144 413 0 413 1 0 1 1 0 8 1 processpl 1152 442 0 413 3 0 3 3 0 8 0 procpl 664 462 0 424 5 0 5 5 0 8 1 sockpl 552 172 0 148 2 0 2 2 0 8 0 mcl8k 8192 4 0 4 1 0 1 1 0 8 1 mcl4k 4096 9091 0 9029 22 6 16 19 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 12914 0 12838 10 0 10 10 0 8 4 bufpl 280 4530 0 173 312 0 312 312 0 8 0 anonpl 24 164914 0 161557 59 0 59 59 0 186 31 amapchunkpl 152 11168 0 10808 30 0 30 30 0 158 11 amappl16 200 2730 0 2670 6 0 6 6 0 8 2 amappl15 192 11 0 11 1 0 1 1 0 8 1 amappl14 184 376 0 375 1 0 1 1 0 8 0 amappl13 176 259 0 248 2 0 2 2 0 8 0 amappl12 168 695 0 678 2 0 2 2 0 8 0 amappl11 160 16 0 16 1 0 1 1 0 8 1 amappl10 152 110 0 98 1 0 1 1 0 8 0 amappl9 144 1057 0 1057 1 0 1 1 0 8 1 amappl8 136 167 0 150 1 0 1 1 0 8 0 amappl7 128 281 0 265 2 0 2 2 0 8 0 amappl6 120 181 0 178 1 0 1 1 0 8 0 amappl5 112 192 0 185 1 0 1 1 0 8 0 amappl4 104 512 0 495 2 0 2 2 0 8 1 amappl3 96 1415 0 1366 2 0 2 2 0 8 0 amappl2 88 1189 0 1130 5 0 5 5 0 8 2 amappl1 80 23838 0 23327 23 6 17 23 0 8 5 amappl 88 2689 0 2600 5 0 5 5 0 92 2 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 24 429 0 413 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 429 0 413 1 0 1 1 0 8 0 vmmpekpl 168 13430 0 13408 2 0 2 2 0 8 0 vmmpepl 168 68641 0 67313 123 0 123 123 0 357 61 vmsppl 368 428 0 413 3 0 3 3 0 8 1 rwobjpl 40 28871 0 28018 19 1 18 19 0 8 5 pdppl 4096 864 0 826 102 52 50 62 0 8 12 pvpl 32 540076 0 531964 444 144 300 444 0 265 218 pmappl 216 428 0 413 2 0 2 2 0 8 1 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 347 0 58 9 0 9 9 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace db_enter() at db_enter+0x25 panic(ffffffff834a508b) at panic+0x1cf ufsdirhash_lookup(fffffd8069975a00,ffffffff8347c662,2,fffffd8069975abc,ffff80002a7655e0,0) at ufsdirhash_lookup+0xb9a ufs_lookup() at ufs_lookup+0xf66 VOP_LOOKUP(fffffd806c942dc8,ffff80002a765778,ffff80002a765710) at VOP_LOOKUP+0x6e unveil_find_cover(fffffd806c942dc8,ffff80002a7be7e0) at unveil_find_cover+0x17c unveil_start_relative(ffff80002a7be7e0,ffff80002a765ad0,fffffd806c942dc8) at unveil_start_relative+0x16e namei(ffff80002a765ad0) at namei+0x650 vn_open(ffff80002a765ad0,201,0) at vn_open+0x22e doopenat(ffff80002a7be7e0,4,20000240,200,0,0,422c97909db11ee9) at doopenat+0x352 sys_openat(ffff80002a7be7e0,ffff80002a765d70,ffff80002a765cc0) at sys_openat+0x58 syscall(ffff80002a765d70) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x87022dd19c0, count: -13 ddb> machine ddbcpu 1 No such command ddb> trace db_enter() at db_enter+0x25 panic(ffffffff834a508b) at panic+0x1cf ufsdirhash_lookup(fffffd8069975a00,ffffffff8347c662,2,fffffd8069975abc,ffff80002a7655e0,0) at ufsdirhash_lookup+0xb9a ufs_lookup() at ufs_lookup+0xf66 VOP_LOOKUP(fffffd806c942dc8,ffff80002a765778,ffff80002a765710) at VOP_LOOKUP+0x6e unveil_find_cover(fffffd806c942dc8,ffff80002a7be7e0) at unveil_find_cover+0x17c unveil_start_relative(ffff80002a7be7e0,ffff80002a765ad0,fffffd806c942dc8) at unveil_start_relative+0x16e namei(ffff80002a765ad0) at namei+0x650 vn_open(ffff80002a765ad0,201,0) at vn_open+0x22e doopenat(ffff80002a7be7e0,4,20000240,200,0,0,422c97909db11ee9) at doopenat+0x352 sys_openat(ffff80002a7be7e0,ffff80002a765d70,ffff80002a765cc0) at sys_openat+0x58 syscall(ffff80002a765d70) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x87022dd19c0, count: -13