Warning: Permanently added '10.128.1.85' (ED25519) to the list of known hosts. 2025/09/18 16:54:59 ignoring optional flag "type"="gce" 2025/09/18 16:54:59 parsed 1 programs 2025/09/18 16:55:00 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 *429460 54205 0 0 0x4000000 0 syz-executor.0 db_enter() at db_enter+0x25 panic(ffffffff833698b1) at panic+0x1cf ufsdirhash_lookup(fffffd8073ac3b00,ffffffff8333c1e5,2,fffffd8073ac3bbc,ffff80002a881440,0) at ufsdirhash_lookup+0xb9a ufs_lookup() at ufs_lookup+0xf66 VOP_LOOKUP(fffffd806b86d1f8,ffff80002a8815d8,ffff80002a881570) at VOP_LOOKUP+0x6e unveil_find_cover(fffffd806b86d1f8,ffff80002a7867d0) at unveil_find_cover+0x16d unveil_start_relative(ffff80002a7867d0,ffff80002a881920,fffffd806b86d1f8) at unveil_start_relative+0x16e namei(ffff80002a881920) at namei+0x650 vn_open(ffff80002a881920,201,0) at vn_open+0x1f1 doopenat(ffff80002a7867d0,4,20000240,200,0,ffff80002a881ac0) at doopenat+0x34d syscall(ffff80002a881b70) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x15fac29e4e0, count: 3 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(ffffffff833698b1) at panic+0x1cf ufsdirhash_lookup(fffffd8073ac3b00,ffffffff8333c1e5,2,fffffd8073ac3bbc,ffff80002a881440,0) at ufsdirhash_lookup+0xb9a ufs_lookup() at ufs_lookup+0xf66 VOP_LOOKUP(fffffd806b86d1f8,ffff80002a8815d8,ffff80002a881570) at VOP_LOOKUP+0x6e unveil_find_cover(fffffd806b86d1f8,ffff80002a7867d0) at unveil_find_cover+0x16d unveil_start_relative(ffff80002a7867d0,ffff80002a881920,fffffd806b86d1f8) at unveil_start_relative+0x16e namei(ffff80002a881920) at namei+0x650 vn_open(ffff80002a881920,201,0) at vn_open+0x1f1 doopenat(ffff80002a7867d0,4,20000240,200,0,ffff80002a881ac0) at doopenat+0x34d syscall(ffff80002a881b70) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x15fac29e4e0, count: -12 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80002a881270 rbx 0xffff800000b49780 rdx 0x3fd rcx 0 rax 0x33 r8 0x101010101010101 r9 0x8080808080808080 r10 0xff8470050e24d02f r11 0xe2244ecbce68fd90 r12 0 r13 0xffff800001420a00 r14 0 r15 0x1 rip 0xffffffff828dde45 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a881260 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb> show proc PROC (syz-executor.0) tid=429460 pid=54205 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=0xffff80002a787230,0xffffffff8397c408 process=0xffff80002a7ed210 user=0xffff80002a87c000, vmspace=0xfffffd8009427e60 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 54205 381742 97568 0 2 0 syz-executor.0 *54205 429460 97568 0 7 0x4000000 syz-executor.0 97568 453770 19789 0 3 0x82 nanoslp syz-executor.0 19789 15033 70492 0 3 0x82 thrsleep syz-execprog 19789 261138 70492 0 3 0x4000082 thrsleep syz-execprog 19789 104752 70492 0 3 0x4000082 thrsleep syz-execprog 19789 176264 70492 0 3 0x4000082 wait syz-execprog 19789 94489 70492 0 3 0x4000082 thrsleep syz-execprog 19789 279797 70492 0 3 0x4000082 thrsleep syz-execprog 19789 409353 70492 0 3 0x4000082 kqread syz-execprog 19789 385314 70492 0 3 0x4000082 thrsleep syz-execprog 19789 227446 70492 0 3 0x4000082 thrsleep syz-execprog 19789 148562 70492 0 3 0x4000082 thrsleep syz-execprog 70492 410053 6159 0 3 0x10008a sigsusp ksh 6159 73531 46649 0 3 0x98 kqread sshd-session 46649 456884 81675 0 3 0x92 kqread sshd-session 39847 176658 1 0 3 0x100083 ttyin getty 81675 268801 1 0 3 0x88 kqread sshd 29665 432767 391 73 3 0x1100090 kqread syslogd 391 449465 1 0 3 0x100082 sbwait syslogd 59902 462977 1 0 3 0x100080 kqread resolvd 9643 46247 87167 77 3 0x100092 kqread dhcpleased 7850 265177 87167 77 3 0x100092 kqread dhcpleased 87167 335589 1 0 3 0x80 kqread dhcpleased 1692 461491 0 0 3 0x14200 bored smr 11064 445428 0 0 2 0x14200 zerothread 54597 153880 0 0 3 0x14200 aiodoned aiodoned 58698 203784 0 0 3 0x14200 syncer update 26583 376215 0 0 3 0x14200 cleaner cleaner 79364 455382 0 0 3 0x14200 reaper reaper 5506 368249 0 0 3 0x14200 pgdaemon pagedaemon 60903 446168 0 0 3 0x14200 bored viomb 6798 287646 0 0 3 0x40014200 acpi0 acpi0 66576 276378 0 0 3 0x14200 bored softnet0 58429 373721 0 0 3 0x14200 smrbar systqmp 75063 284126 0 0 3 0x14200 bored systq 89419 271031 0 0 3 0x40014200 tmoslp softclock 40239 183699 0 0 3 0x40014200 idle0 1 143672 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 10141 11023K 11053K 166960K 11228 0 pcb 17 12K 12K 166960K 17 0 rtable 79 2K 2K 166960K 151 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 25 16K 16K 166960K 26 0 ioctlops 0 0K 2K 166960K 23 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1262 79K 80K 166960K 1278 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 305 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 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 327 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 164 93K 206K 166960K 3616 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 26 52K 104K 166960K 1209 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 8632K 8696K 166960K 3911 0 kqueue 13 20K 20K 166960K 45 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 41 0 10 2 0 2 2 0 8 0 unpcb 144 67 0 52 1 0 1 1 0 8 0 syncache 336 9 0 9 1 0 1 1 0 8 1 tcpcb 736 11 0 8 1 0 1 1 0 8 0 arp 96 4 0 1 1 0 1 1 0 8 0 inpcb 328 35 0 29 1 0 1 1 0 8 0 nd6 112 4 0 2 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 189 0 46 9 0 9 9 0 8 0 art_table 40 190 0 46 2 0 2 2 0 8 0 art_node 32 41 0 12 1 0 1 1 0 8 0 dirhash 1024 23 0 0 3 0 3 3 0 8 0 dino2pl 256 1564 0 73 94 0 94 94 0 8 0 ffsino 256 1564 0 73 94 0 94 94 0 8 0 nchpl 144 1827 0 100 65 0 65 65 0 8 1 uvmvnodes 80 1573 0 0 33 0 33 33 0 8 0 vnodes 216 1573 0 0 88 0 88 88 0 8 0 namei 1024 6706 0 6705 3 0 3 3 0 8 2 kstatmem 264 10 0 2 1 0 1 1 0 8 0 scxspl 216 9317 0 9317 8 0 8 8 1 8 8 plimitpl 152 51 0 42 1 0 1 1 0 8 0 sigapl 424 395 0 366 5 0 5 5 0 8 1 knotepl 120 7072 0 7035 2 0 2 2 0 8 0 kqueuepl 184 41 0 32 1 0 1 1 0 8 0 pipepl 304 147 0 140 2 0 2 2 0 8 1 fdescpl 448 382 0 366 4 0 4 4 0 8 2 filepl 120 1887 0 1815 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 27 0 18 1 0 1 1 0 8 0 pgrppl 48 27 0 18 1 0 1 1 0 8 0 ucredpl 104 148 0 137 1 0 1 1 0 8 0 zombiepl 144 366 0 366 1 0 1 1 0 8 1 processpl 1152 395 0 366 3 0 3 3 0 8 0 procpl 664 415 0 376 5 0 5 5 0 8 1 sockpl 552 127 0 103 2 0 2 2 0 8 0 mcl8k 8192 4 0 4 1 0 1 1 0 8 1 mcl4k 4096 8950 0 8894 21 6 15 19 0 8 7 mcl2k 2048 155 0 155 1 0 1 1 0 8 1 mtagpl 96 4 0 4 1 0 1 1 0 8 1 mbufpl 256 11975 0 11905 10 0 10 10 0 8 5 bufpl 280 4903 0 181 338 0 338 338 0 8 0 anonpl 24 188597 0 185253 49 0 49 49 0 187 19 amapchunkpl 152 11551 0 11217 25 0 25 25 0 158 9 amappl16 200 3756 0 3687 5 0 5 5 0 8 1 amappl15 192 5 0 5 1 0 1 1 0 8 1 amappl14 184 205 0 194 2 0 2 2 0 8 1 amappl13 176 13 0 13 1 0 1 1 0 8 1 amappl12 168 959 0 941 2 0 2 2 0 8 1 amappl11 160 48 0 38 1 0 1 1 0 8 0 amappl10 152 51 0 49 1 0 1 1 0 8 0 amappl9 144 971 0 971 1 0 1 1 0 8 1 amappl8 136 161 0 142 1 0 1 1 0 8 0 amappl7 128 201 0 188 2 0 2 2 0 8 0 amappl6 120 230 0 225 1 0 1 1 0 8 0 amappl5 112 135 0 128 1 0 1 1 0 8 0 amappl4 104 462 0 444 2 0 2 2 0 8 1 amappl3 96 1189 0 1143 2 0 2 2 0 8 0 amappl2 88 1001 0 942 4 0 4 4 0 8 1 amappl1 80 14590 0 14082 27 7 20 23 0 8 9 amappl 88 2633 0 2545 4 0 4 4 0 92 1 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 24 382 0 366 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 382 0 366 1 0 1 1 0 8 0 vmmpekpl 168 11120 0 11094 2 0 2 2 0 8 0 vmmpepl 168 53221 0 51854 119 0 119 119 0 357 52 vmsppl 368 381 0 366 3 0 3 3 0 8 1 rwobjpl 40 22884 0 20541 33 0 33 33 0 8 2 pdppl 4096 770 0 732 102 42 60 62 0 8 22 pvpl 32 508609 0 500557 365 67 298 365 0 265 225 pmappl 216 381 0 366 2 0 2 2 0 8 1 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 351 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(ffffffff833698b1) at panic+0x1cf ufsdirhash_lookup(fffffd8073ac3b00,ffffffff8333c1e5,2,fffffd8073ac3bbc,ffff80002a881440,0) at ufsdirhash_lookup+0xb9a ufs_lookup() at ufs_lookup+0xf66 VOP_LOOKUP(fffffd806b86d1f8,ffff80002a8815d8,ffff80002a881570) at VOP_LOOKUP+0x6e unveil_find_cover(fffffd806b86d1f8,ffff80002a7867d0) at unveil_find_cover+0x16d unveil_start_relative(ffff80002a7867d0,ffff80002a881920,fffffd806b86d1f8) at unveil_start_relative+0x16e namei(ffff80002a881920) at namei+0x650 vn_open(ffff80002a881920,201,0) at vn_open+0x1f1 doopenat(ffff80002a7867d0,4,20000240,200,0,ffff80002a881ac0) at doopenat+0x34d syscall(ffff80002a881b70) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x15fac29e4e0, count: -12 ddb> machine ddbcpu 1 No such command ddb> trace db_enter() at db_enter+0x25 panic(ffffffff833698b1) at panic+0x1cf ufsdirhash_lookup(fffffd8073ac3b00,ffffffff8333c1e5,2,fffffd8073ac3bbc,ffff80002a881440,0) at ufsdirhash_lookup+0xb9a ufs_lookup() at ufs_lookup+0xf66 VOP_LOOKUP(fffffd806b86d1f8,ffff80002a8815d8,ffff80002a881570) at VOP_LOOKUP+0x6e unveil_find_cover(fffffd806b86d1f8,ffff80002a7867d0) at unveil_find_cover+0x16d unveil_start_relative(ffff80002a7867d0,ffff80002a881920,fffffd806b86d1f8) at unveil_start_relative+0x16e namei(ffff80002a881920) at namei+0x650 vn_open(ffff80002a881920,201,0) at vn_open+0x1f1 doopenat(ffff80002a7867d0,4,20000240,200,0,ffff80002a881ac0) at doopenat+0x34d syscall(ffff80002a881b70) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x15fac29e4e0, count: -12