Warning: Permanently added '10.128.0.106' (ED25519) to the list of known hosts. 2026/08/13 03:22:09 ignoring optional flag "type"="gce" 2026/08/13 03:22:09 parsed 1 programs 2026/08/13 03:22:10 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 *263390 57825 0 0 0x4000000 0 syz-executor.0 db_enter() at db_enter+0x25 panic(ffffffff834b0bf0) at panic+0x1cf ufsdirhash_lookup(fffff28069df4a00,ffff80002a7ec000,1,fffff28069df4abc,ffff80002a813970,ffff80002a81397c) at ufsdirhash_lookup+0xb9a ufs_lookup() at ufs_lookup+0xf66 VOP_LOOKUP(fffff280690908b8,ffff80002a813cc8,ffff80002a813cf8) at VOP_LOOKUP+0x6e vfs_lookup(ffff80002a813c98) at vfs_lookup+0x94a namei(ffff80002a813c98) at namei+0x7c3 dorenameat(ffff80002a75b770,4,200000c0,3,0) at dorenameat+0x91 syscall(ffff80002a813e80) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xee019632ae0, 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> show kasan No such command ddb> trace db_enter() at db_enter+0x25 panic(ffffffff834b0bf0) at panic+0x1cf ufsdirhash_lookup(fffff28069df4a00,ffff80002a7ec000,1,fffff28069df4abc,ffff80002a813970,ffff80002a81397c) at ufsdirhash_lookup+0xb9a ufs_lookup() at ufs_lookup+0xf66 VOP_LOOKUP(fffff280690908b8,ffff80002a813cc8,ffff80002a813cf8) at VOP_LOOKUP+0x6e vfs_lookup(ffff80002a813c98) at vfs_lookup+0x94a namei(ffff80002a813c98) at namei+0x7c3 dorenameat(ffff80002a75b770,4,200000c0,3,0) at dorenameat+0x91 syscall(ffff80002a813e80) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xee019632ae0, count: -10 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80002a8137a0 rbx 0xffff800000c57a20 rdx 0x3fd rcx 0 rax 0x33 r8 0x101010101010101 r9 0x8080808080808080 r10 0xd1458596c3fa6155 r11 0xdf33f5fcb6592f3c r12 0 r13 0xffff8000015bb800 r14 0 r15 0x1 rip 0xffffffff82cd3175 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a813790 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb> show proc PROC (syz-executor.0) tid=263390 pid=57825 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a75bca0,0xffffffff83a2fd60 process=0xffff80002a79df90 user=0xffff80002a80e000, vmspace=0xfffff2807f22de60 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 57825 336756 59840 0 2 0 0 syz-executor.0 *57825 263390 59840 0 7 0 0x4000000 syz-executor.0 59840 82272 51626 0 2 0x2 0xc80 syz-executor.0 51626 184824 43682 0 3 0x2 0x80 thrsleep syz-execprog 51626 148074 43682 0 3 0x2 0x4000080 thrsleep syz-execprog 51626 490883 43682 0 3 0x2 0x4000080 wait syz-execprog 51626 522905 43682 0 3 0x2 0x4000080 thrsleep syz-execprog 51626 22594 43682 0 3 0x2 0x4000080 thrsleep syz-execprog 51626 292466 43682 0 3 0x2 0x4000080 thrsleep syz-execprog 51626 185410 43682 0 3 0x2 0x4000080 kqread syz-execprog 51626 68951 43682 0 3 0x2 0x4000080 thrsleep syz-execprog 43682 18475 81649 0 3 0x100002 0x88 sigsusp ksh 81649 7814 1778 0 3 0x10 0x88 kqread sshd-session 1778 501591 35982 0 3 0x12 0x80 kqread sshd-session 80675 171890 1 0 3 0x100003 0x80 ttyin getty 35982 10065 1 0 3 0 0x88 kqread sshd 34658 328279 20478 73 3 0x1100010 0x80 kqread syslogd 20478 237270 1 0 3 0x100002 0x80 sbwait syslogd 23100 400616 1 0 3 0x100000 0x80 kqread resolvd 94342 400336 89761 77 3 0x100012 0x80 kqread dhcpleased 29102 384110 89761 77 3 0x100012 0x80 kqread dhcpleased 89761 229431 1 0 3 0 0x80 kqread dhcpleased 48162 347017 0 0 3 0x14000 0x200 bored smr 39954 100220 0 0 2 0x14000 0x200 zerothread 73766 478254 0 0 3 0x14000 0x200 aiodoned aiodoned 54179 114274 0 0 3 0x14000 0x200 syncer update 45976 430135 0 0 3 0x14000 0x200 cleaner cleaner 81058 108964 0 0 3 0x14000 0x200 reaper reaper 11202 488459 0 0 3 0x14000 0x200 pgdaemon pagedaemon 14402 260288 0 0 3 0x14000 0x200 bored viomb 39123 420062 0 0 3 0x14000 0x40000200 acpi0 acpi0 63986 387840 0 0 3 0x14000 0x200 bored softnet0 38066 257996 0 0 3 0x14000 0x200 smrbar systqmp 49362 283855 0 0 3 0x14000 0x200 bored systq 54542 349697 0 0 2 0x14000 0x40000200 softclock 4251 296024 0 0 3 0x14000 0x40000200 idle0 1 407182 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 21 3K 3K 166960K 21 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 4 9K 13K 166960K 37 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 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 153 86K 198K 166960K 3818 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 4114 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 256 192 0 48 9 0 9 9 0 8 0 art_table 40 193 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 1836 0 106 65 0 65 65 0 8 0 vnodes 216 1584 0 0 88 0 88 88 0 8 0 namei 1024 6824 0 6823 3 0 3 3 0 8 2 kstatmem 264 11 0 2 1 0 1 1 0 8 0 scxspl 216 9609 0 9609 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 5681 0 5644 2 0 2 2 0 8 0 kqueuepl 184 60 0 51 1 0 1 1 0 8 0 pipepl 304 191 0 184 1 0 1 1 0 8 0 fdescpl 448 428 0 412 4 0 4 4 0 8 2 filepl 120 2186 0 2115 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 664 460 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 10283 0 10225 16 0 16 16 0 8 8 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 14258 0 14186 8 0 8 8 0 8 3 bufpl 272 4654 0 176 299 0 299 299 0 8 0 anonpl 24 192179 0 188791 60 0 60 60 0 187 31 amapchunkpl 152 11222 0 10901 29 0 29 29 0 158 13 amappl16 200 3916 0 3838 6 0 6 6 0 8 0 amappl15 192 43 0 42 1 0 1 1 0 8 0 amappl14 184 374 0 369 1 0 1 1 0 8 0 amappl13 176 285 0 273 2 0 2 2 0 8 0 amappl12 168 725 0 710 2 0 2 2 0 8 1 amappl11 160 55 0 55 1 0 1 1 0 8 1 amappl10 152 104 0 92 1 0 1 1 0 8 0 amappl9 144 1180 0 1180 1 0 1 1 0 8 1 amappl8 136 159 0 142 1 0 1 1 0 8 0 amappl7 128 267 0 251 2 0 2 2 0 8 0 amappl6 120 162 0 161 1 0 1 1 0 8 0 amappl5 112 195 0 187 1 0 1 1 0 8 0 amappl4 104 502 0 485 2 0 2 2 0 8 1 amappl3 96 1412 0 1367 2 0 2 2 0 8 0 amappl2 88 1191 0 1132 5 0 5 5 0 8 2 amappl1 80 23903 0 23395 24 7 17 23 0 8 5 amappl 88 2705 0 2623 5 0 5 5 0 92 2 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 13375 0 13352 2 0 2 2 0 8 0 vmmpepl 168 70495 0 69161 122 0 122 122 0 357 62 vmsppl 368 427 0 412 3 0 3 3 0 8 1 rwobjpl 40 30296 0 29433 19 1 18 19 0 8 4 pdppl 4096 862 0 824 94 42 52 62 0 8 14 pvpl 32 566400 0 558185 445 146 299 445 0 265 222 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 112 629 0 42 18 0 18 18 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace db_enter() at db_enter+0x25 panic(ffffffff834b0bf0) at panic+0x1cf ufsdirhash_lookup(fffff28069df4a00,ffff80002a7ec000,1,fffff28069df4abc,ffff80002a813970,ffff80002a81397c) at ufsdirhash_lookup+0xb9a ufs_lookup() at ufs_lookup+0xf66 VOP_LOOKUP(fffff280690908b8,ffff80002a813cc8,ffff80002a813cf8) at VOP_LOOKUP+0x6e vfs_lookup(ffff80002a813c98) at vfs_lookup+0x94a namei(ffff80002a813c98) at namei+0x7c3 dorenameat(ffff80002a75b770,4,200000c0,3,0) at dorenameat+0x91 syscall(ffff80002a813e80) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xee019632ae0, count: -10 ddb> machine ddbcpu 1 No such command ddb> trace db_enter() at db_enter+0x25 panic(ffffffff834b0bf0) at panic+0x1cf ufsdirhash_lookup(fffff28069df4a00,ffff80002a7ec000,1,fffff28069df4abc,ffff80002a813970,ffff80002a81397c) at ufsdirhash_lookup+0xb9a ufs_lookup() at ufs_lookup+0xf66 VOP_LOOKUP(fffff280690908b8,ffff80002a813cc8,ffff80002a813cf8) at VOP_LOOKUP+0x6e vfs_lookup(ffff80002a813c98) at vfs_lookup+0x94a namei(ffff80002a813c98) at namei+0x7c3 dorenameat(ffff80002a75b770,4,200000c0,3,0) at dorenameat+0x91 syscall(ffff80002a813e80) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xee019632ae0, count: -10