Warning: Permanently added '10.128.1.138' (ED25519) to the list of known hosts. 2026/07/30 02:43:48 ignoring optional flag "type"="gce" 2026/07/30 02:43:48 parsed 1 programs 2026/07/30 02:43:49 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 * 69386 11420 0 0 0x4000000 0 syz-executor.0 db_enter() at db_enter+0x25 panic(ffffffff834aa01c) at panic+0x1cf ufsdirhash_lookup(ffffee006a09cb00,ffffffff83480938,2,ffffee006a09cbbc,ffff80002a7d96b0,0) at ufsdirhash_lookup+0xb9a ufs_lookup() at ufs_lookup+0xf66 VOP_LOOKUP(ffffee006a6a6990,ffff80002a7d9848,ffff80002a7d97e0) at VOP_LOOKUP+0x6e unveil_find_cover(ffffee006a6a6990,ffff80002a7734d0) at unveil_find_cover+0x17c unveil_start_relative(ffff80002a7734d0,ffff80002a7d9ba0,ffffee006a6a6990) at unveil_start_relative+0x16e namei(ffff80002a7d9ba0) at namei+0x650 vn_open(ffff80002a7d9ba0,201,0) at vn_open+0x22e doopenat(ffff80002a7734d0,4,20000240,200,0,0,52ab10e0536e838a) at doopenat+0x352 sys_openat(ffff80002a7734d0,ffff80002a7d9e40,ffff80002a7d9d90) at sys_openat+0x58 syscall(ffff80002a7d9e40) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x80c2d610110, 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> show kasan No such command ddb> trace db_enter() at db_enter+0x25 panic(ffffffff834aa01c) at panic+0x1cf ufsdirhash_lookup(ffffee006a09cb00,ffffffff83480938,2,ffffee006a09cbbc,ffff80002a7d96b0,0) at ufsdirhash_lookup+0xb9a ufs_lookup() at ufs_lookup+0xf66 VOP_LOOKUP(ffffee006a6a6990,ffff80002a7d9848,ffff80002a7d97e0) at VOP_LOOKUP+0x6e unveil_find_cover(ffffee006a6a6990,ffff80002a7734d0) at unveil_find_cover+0x17c unveil_start_relative(ffff80002a7734d0,ffff80002a7d9ba0,ffffee006a6a6990) at unveil_start_relative+0x16e namei(ffff80002a7d9ba0) at namei+0x650 vn_open(ffff80002a7d9ba0,201,0) at vn_open+0x22e doopenat(ffff80002a7734d0,4,20000240,200,0,0,52ab10e0536e838a) at doopenat+0x352 sys_openat(ffff80002a7734d0,ffff80002a7d9e40,ffff80002a7d9d90) at sys_openat+0x58 syscall(ffff80002a7d9e40) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x80c2d610110, count: -13 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80002a7d94e0 rbx 0xffff800000c577c0 rdx 0x3fd rcx 0 rax 0x33 r8 0x101010101010101 r9 0x8080808080808080 r10 0x162d920016d70aef r11 0xed30aabaa17fb988 r12 0 r13 0xffff8000015bbe00 r14 0 r15 0x1 rip 0xffffffff824e6b75 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a7d94d0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb> show proc PROC (syz-executor.0) tid=69386 pid=11420 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=53, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a7722a8,0xffffffff83aa49b8 process=0xffff80002a781690 user=0xffff80002a7d4000, vmspace=0xffffee007f238450 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 11420 303721 59116 0 2 0 0 syz-executor.0 *11420 69386 59116 0 7 0 0x4000000 syz-executor.0 59116 381715 46979 0 3 0x2 0x80 nanoslp syz-executor.0 46979 82268 22909 0 3 0x2 0x80 thrsleep syz-execprog 46979 378306 22909 0 3 0x2 0x4000080 thrsleep syz-execprog 46979 431567 22909 0 3 0x2 0x4000080 thrsleep syz-execprog 46979 121486 22909 0 3 0x2 0x4000080 kqread syz-execprog 46979 5150 22909 0 3 0x2 0x4000080 thrsleep syz-execprog 46979 140803 22909 0 3 0x2 0x4000080 wait syz-execprog 46979 98627 22909 0 3 0x2 0x4000080 thrsleep syz-execprog 46979 433775 22909 0 3 0x2 0x4000080 thrsleep syz-execprog 46979 383214 22909 0 3 0x2 0x4000080 thrsleep syz-execprog 22909 233923 91449 0 3 0x100002 0x88 sigsusp ksh 91449 309089 68635 0 3 0x10 0x88 kqread sshd-session 68635 476661 79650 0 3 0x12 0x80 kqread sshd-session 44761 192540 1 0 3 0x100003 0x80 ttyin getty 79650 499566 1 0 3 0 0x88 kqread sshd 71391 430892 89153 73 3 0x1100010 0x80 kqread syslogd 89153 232740 1 0 3 0x100002 0x80 sbwait syslogd 65096 365484 1 0 3 0x100000 0x80 kqread resolvd 85370 220764 97346 77 3 0x100012 0x80 kqread dhcpleased 83822 496890 97346 77 3 0x100012 0x80 kqread dhcpleased 97346 499929 1 0 3 0 0x80 kqread dhcpleased 80598 239252 0 0 3 0x14000 0x200 bored smr 60708 223848 0 0 2 0x14000 0x200 zerothread 39289 21099 0 0 3 0x14000 0x200 aiodoned aiodoned 71339 54030 0 0 3 0x14000 0x200 syncer update 91261 151338 0 0 3 0x14000 0x200 cleaner cleaner 49263 304378 0 0 3 0x14000 0x200 reaper reaper 5566 334194 0 0 3 0x14000 0x200 pgdaemon pagedaemon 51278 337530 0 0 3 0x14000 0x200 bored viomb 7011 217149 0 0 3 0x14000 0x40000200 acpi0 acpi0 70881 129564 0 0 3 0x14000 0x200 bored softnet0 45707 103945 0 0 3 0x14000 0x200 smrbar systqmp 41812 407110 0 0 3 0x14000 0x200 bored systq 21125 320426 0 0 3 0x14000 0x40000200 tmoslp softclock 24141 7377 0 0 3 0x14000 0x40000200 idle0 1 170455 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 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 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 1734 201K 291K 166960K 11964 0 file desc 4 9K 13K 166960K 37 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 368 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 160 94K 207K 166960K 3821 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 26 52K 104K 166960K 1382 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 9104K 9112K 166960K 4082 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 1834 0 105 65 0 65 65 0 8 0 vnodes 216 1584 0 0 88 0 88 88 0 8 0 namei 1024 6825 0 6824 3 0 3 3 0 8 2 kstatmem 264 11 0 2 1 0 1 1 0 8 0 scxspl 216 9363 0 9363 8 0 8 8 1 8 8 plimitpl 152 63 0 54 1 0 1 1 0 8 0 sigapl 424 441 0 412 5 0 5 5 0 8 1 knotepl 120 5881 0 5844 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 448 428 0 412 4 0 4 4 0 8 2 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 144 412 0 412 1 0 1 1 0 8 1 processpl 1152 441 0 412 3 0 3 3 0 8 0 procpl 664 461 0 423 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 9171 0 9116 21 6 15 18 0 8 7 mcl2k 2048 120 0 120 1 0 1 1 0 8 1 mextrefs 64 53 0 53 1 0 1 1 0 8 1 mtagpl 96 4 0 4 1 0 1 1 0 8 1 mbufpl 256 13034 0 12965 10 0 10 10 0 8 5 bufpl 272 4532 0 176 291 0 291 291 0 8 0 anonpl 24 178601 0 175250 59 0 59 59 0 187 26 amapchunkpl 152 11326 0 10986 30 0 30 30 0 158 12 amappl16 200 3310 0 3239 5 0 5 5 0 8 0 amappl15 192 8 0 7 1 0 1 1 0 8 0 amappl14 184 385 0 382 1 0 1 1 0 8 0 amappl13 176 260 0 249 2 0 2 2 0 8 0 amappl12 168 689 0 673 2 0 2 2 0 8 1 amappl11 160 41 0 41 1 0 1 1 0 8 1 amappl10 152 105 0 93 1 0 1 1 0 8 0 amappl9 144 1061 0 1061 1 0 1 1 0 8 1 amappl8 136 203 0 184 1 0 1 1 0 8 0 amappl7 128 261 0 245 2 0 2 2 0 8 0 amappl6 120 155 0 153 1 0 1 1 0 8 0 amappl5 112 203 0 196 1 0 1 1 0 8 0 amappl4 104 511 0 491 2 0 2 2 0 8 1 amappl3 96 1416 0 1368 3 0 3 3 0 8 1 amappl2 88 1153 0 1098 5 0 5 5 0 8 2 amappl1 80 23928 0 23419 25 5 20 23 0 8 7 amappl 88 2714 0 2626 5 0 5 5 0 92 1 uvmvnodes 80 87 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 24 428 0 412 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 428 0 412 1 0 1 1 0 8 0 vmmpekpl 168 13457 0 13438 2 0 2 2 0 8 0 vmmpepl 168 69297 0 67966 122 0 122 122 0 357 58 vmsppl 368 427 0 412 3 0 3 3 0 8 1 rwobjpl 40 29449 0 28589 19 1 18 19 0 8 4 pdppl 4096 862 0 824 104 46 58 62 0 8 20 pvpl 32 552302 0 544210 443 142 301 443 0 265 218 pmappl 216 427 0 412 2 0 2 2 0 8 1 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 639 0 52 17 0 17 17 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace db_enter() at db_enter+0x25 panic(ffffffff834aa01c) at panic+0x1cf ufsdirhash_lookup(ffffee006a09cb00,ffffffff83480938,2,ffffee006a09cbbc,ffff80002a7d96b0,0) at ufsdirhash_lookup+0xb9a ufs_lookup() at ufs_lookup+0xf66 VOP_LOOKUP(ffffee006a6a6990,ffff80002a7d9848,ffff80002a7d97e0) at VOP_LOOKUP+0x6e unveil_find_cover(ffffee006a6a6990,ffff80002a7734d0) at unveil_find_cover+0x17c unveil_start_relative(ffff80002a7734d0,ffff80002a7d9ba0,ffffee006a6a6990) at unveil_start_relative+0x16e namei(ffff80002a7d9ba0) at namei+0x650 vn_open(ffff80002a7d9ba0,201,0) at vn_open+0x22e doopenat(ffff80002a7734d0,4,20000240,200,0,0,52ab10e0536e838a) at doopenat+0x352 sys_openat(ffff80002a7734d0,ffff80002a7d9e40,ffff80002a7d9d90) at sys_openat+0x58 syscall(ffff80002a7d9e40) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x80c2d610110, count: -13 ddb> machine ddbcpu 1 No such command ddb> trace db_enter() at db_enter+0x25 panic(ffffffff834aa01c) at panic+0x1cf ufsdirhash_lookup(ffffee006a09cb00,ffffffff83480938,2,ffffee006a09cbbc,ffff80002a7d96b0,0) at ufsdirhash_lookup+0xb9a ufs_lookup() at ufs_lookup+0xf66 VOP_LOOKUP(ffffee006a6a6990,ffff80002a7d9848,ffff80002a7d97e0) at VOP_LOOKUP+0x6e unveil_find_cover(ffffee006a6a6990,ffff80002a7734d0) at unveil_find_cover+0x17c unveil_start_relative(ffff80002a7734d0,ffff80002a7d9ba0,ffffee006a6a6990) at unveil_start_relative+0x16e namei(ffff80002a7d9ba0) at namei+0x650 vn_open(ffff80002a7d9ba0,201,0) at vn_open+0x22e doopenat(ffff80002a7734d0,4,20000240,200,0,0,52ab10e0536e838a) at doopenat+0x352 sys_openat(ffff80002a7734d0,ffff80002a7d9e40,ffff80002a7d9d90) at sys_openat+0x58 syscall(ffff80002a7d9e40) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x80c2d610110, count: -13