Warning: Permanently added '10.128.1.228' (ED25519) to the list of known hosts. 2026/01/05 04:01:50 ignoring optional flag "type"="gce" 2026/01/05 04:01:50 parsed 1 programs 2026/01/05 04:01:52 executed programs: 0 vnd0: sloppy read from proc 76664 (syz-executor.6): blkno 64 bcount 2048 vnd0: sloppy read from proc 76664 (syz-executor.6): blkno 1024 bcount 2048 uvm_fault(0xffffffff838f14e0, 0xffff800024d12000, 0, 2) -> d kernel: page fault trap, code=2 Stopped at memset+0x52: repe stosq %es:(%rdi) TID PID UID PRFLAGS PFLAGS CPU COMMAND * 31811 304 0 0 0x4000000 0 syz-executor.7 memset() at memset+0x52 VOP_WRITE(fffffd806b343648,ffff80002a99f4e0,5,fffffd8007bfd5b0) at VOP_WRITE+0x101 vn_write(fffffd80795c6c30,ffff80002a99f4e0,1) at vn_write+0x237 dofilewritev(ffff80002a803cb0,3,ffff80002a99f4e0,1,ffff80002a99f590) at dofilewritev+0x242 sys_pwritev(ffff80002a803cb0,ffff80002a99f640,ffff80002a99f590) at sys_pwritev+0xe3 syscall(ffff80002a99f640) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x88f2ed4b8c0, count: 8 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: uvm_fault(0xffffffff838f14e0, 0xffff800024d12000, 0, 2) -> d ddb> trace memset() at memset+0x52 VOP_WRITE(fffffd806b343648,ffff80002a99f4e0,5,fffffd8007bfd5b0) at VOP_WRITE+0x101 vn_write(fffffd80795c6c30,ffff80002a99f4e0,1) at vn_write+0x237 dofilewritev(ffff80002a803cb0,3,ffff80002a99f4e0,1,ffff80002a99f590) at dofilewritev+0x242 sys_pwritev(ffff80002a803cb0,ffff80002a99f640,ffff80002a99f590) at sys_pwritev+0xe3 syscall(ffff80002a99f640) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x88f2ed4b8c0, count: -7 ddb> show registers rdi 0xffff800024d12000 rsi 0 rbp 0xffff80002a99f2a0 rbx 0xe rdx 0 rcx 0x800 rax 0 r8 0x4000 __ALIGN_SIZE+0x3000 r9 0 r10 0xdb507bd05625627d r11 0xffff800024d12000 r12 0x4000 __ALIGN_SIZE+0x3000 r13 0x4000 __ALIGN_SIZE+0x3000 r14 0xffff800024d12000 r15 0x4000 __ALIGN_SIZE+0x3000 rip 0xffffffff8323d272 memset+0x52 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff80002a99f1d8 ss 0 memset+0x52: repe stosq %es:(%rdi) ddb> show proc PROC (syz-executor.7) tid=31811 pid=304 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a874fb0,0xffff80002a803a28 process=0xffff8000ffffb198 user=0xffff80002a99a000, vmspace=0xfffffd807e9c05c0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 63618 97858 22258 0 2 0 syz-executor.0 63618 40480 22258 0 2 0x4000000 syz-executor.0 63618 482843 22258 0 3 0x4000000 inode syz-executor.0 304 262389 22880 0 2 0 syz-executor.7 * 304 31811 22880 0 7 0x4000000 syz-executor.7 60102 500641 26853 0 2 0 syz-executor.3 60102 370579 26853 0 3 0x4000080 fsleep syz-executor.3 11304 346035 41143 0 2 0 syz-executor.1 11304 277864 41143 0 2 0x4000000 syz-executor.1 11304 338608 41143 0 3 0x4000000 inode syz-executor.1 71445 506122 37876 0 2 0 syz-executor.5 71445 506161 37876 0 3 0x4000080 fsleep syz-executor.5 71445 433149 37876 0 3 0x4000080 fsleep syz-executor.5 76664 131635 65176 0 2 0 syz-executor.6 76664 353024 65176 0 2 0x4000000 syz-executor.6 76664 465099 65176 0 3 0x4000000 inode syz-executor.6 76664 433942 65176 0 2 0x4000000 syz-executor.6 73379 34968 7802 0 2 0 syz-executor.4 73379 304311 7802 0 2 0x4000000 syz-executor.4 73379 479924 7802 0 3 0x4000000 inode syz-executor.4 73379 143755 7802 0 2 0x4000080 syz-executor.4 77178 74398 58975 0 2 0 syz-executor.2 77178 2139 58975 0 2 0x4000000 syz-executor.2 22880 278008 25427 0 2 0xc82 syz-executor.7 26853 371121 25427 0 2 0xc82 syz-executor.3 65176 347892 25427 0 2 0xc82 syz-executor.6 37876 81566 25427 0 2 0xc82 syz-executor.5 7802 480314 25427 0 2 0xc82 syz-executor.4 58975 253405 25427 0 2 0xc82 syz-executor.2 41143 520378 25427 0 2 0xc82 syz-executor.1 22258 54021 25427 0 2 0xc82 syz-executor.0 25427 458272 35009 0 3 0x82 wait syz-execprog 25427 258685 35009 0 2 0x4000c82 syz-execprog 25427 291251 35009 0 3 0x4000082 wait syz-execprog 25427 274554 35009 0 3 0x4000082 wait syz-execprog 25427 171821 35009 0 3 0x4000082 wait syz-execprog 25427 106979 35009 0 3 0x4000082 thrsleep syz-execprog 25427 35675 35009 0 3 0x4000082 wait syz-execprog 25427 141974 35009 0 3 0x4000082 wait syz-execprog 25427 203611 35009 0 3 0x4000082 thrsleep syz-execprog 25427 207052 35009 0 3 0x4000082 thrsleep syz-execprog 25427 426300 35009 0 3 0x4000082 wait syz-execprog 25427 71692 35009 0 3 0x4000082 wait syz-execprog 25427 355017 35009 0 3 0x4000082 kqread syz-execprog 35009 291220 59963 0 3 0x10008a sigsusp ksh 59963 29199 24757 0 3 0x98 kqread sshd-session 24757 402752 55659 0 3 0x92 kqread sshd-session 44882 308794 1 0 3 0x100083 ttyin getty 55659 426359 1 0 3 0x88 kqread sshd 70660 481762 84977 73 3 0x1100090 kqread syslogd 84977 374179 1 0 3 0x100082 sbwait syslogd 43209 89036 1 0 3 0x100080 kqread resolvd 46927 121193 2472 77 3 0x100092 kqread dhcpleased 59382 196960 2472 77 3 0x100092 kqread dhcpleased 2472 517969 1 0 3 0x80 kqread dhcpleased 97767 306620 0 0 3 0x14200 bored smr 20839 40124 0 0 2 0x14200 zerothread 16611 145662 0 0 3 0x14200 aiodoned aiodoned 22277 3853 0 0 3 0x14200 syncer update 66497 178200 0 0 3 0x14200 cleaner cleaner 19476 423139 0 0 3 0x14200 reaper reaper 62498 309433 0 0 3 0x14200 pgdaemon pagedaemon 42260 2834 0 0 3 0x14200 bored viomb 24789 151488 0 0 3 0x40014200 acpi0 acpi0 81799 522175 0 0 3 0x14200 bored softnet0 13581 365254 0 0 3 0x14200 bored systqmp 96031 487054 0 0 3 0x14200 bored systq 83324 97022 0 0 3 0x40014200 tmoslp softclock 63051 376961 0 0 3 0x40014200 idle0 1 206114 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 11025 12104K 12118K 166960K 12113 0 pcb 17 12K 12K 166960K 17 0 rtable 237 6K 6K 166960K 383 0 pf 30 12K 12K 166960K 33 0 ifaddr 42 7K 7K 166960K 48 0 ifgroup 50 2K 2K 166960K 55 0 sysctl 1 1K 9K 166960K 5 0 counters 33 17K 17K 166960K 34 0 ioctlops 0 0K 2K 166960K 30 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1263 79K 80K 166960K 1284 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 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 73K 166960K 155 0 proc 57 58K 75K 166960K 499 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 in_multi 99 7K 7K 166960K 110 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 427 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 287 161K 215K 166960K 4511 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 40 80K 104K 166960K 1547 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 27 2K 2K 166960K 30 0 temp 1 8656K 8720K 166960K 4856 0 kqueue 13 20K 20K 166960K 46 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 38 0 35 1 0 1 1 0 8 0 rtentry 136 122 0 12 4 0 4 4 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 12 0 9 1 0 1 1 0 8 0 arp 96 20 0 2 1 0 1 1 0 8 0 inpcb 328 66 0 60 1 0 1 1 0 8 0 nd6 112 27 0 3 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 501 0 48 29 0 29 29 0 8 0 art_table 40 502 0 48 5 0 5 5 0 8 0 art_node 32 122 0 22 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1630 0 96 96 0 96 96 0 8 0 ffsino 256 1630 0 96 96 0 96 96 0 8 0 nchpl 144 1908 0 119 67 0 67 67 0 8 0 vnodes 216 1640 0 0 92 0 92 92 0 8 0 namei 1024 7238 0 7238 3 0 3 3 0 8 3 kstatmem 264 24 0 2 2 0 2 2 0 8 0 scxspl 216 10341 0 10341 8 0 8 8 1 8 8 plimitpl 152 58 0 42 1 0 1 1 0 8 0 sigapl 424 503 0 460 6 0 6 6 0 8 0 knotepl 120 7607 0 7528 3 0 3 3 0 8 0 kqueuepl 184 42 0 33 1 0 1 1 0 8 0 pipepl 304 188 0 160 3 0 3 3 0 8 0 fdescpl 448 490 0 460 4 0 4 4 0 8 0 filepl 120 2105 0 1963 5 0 5 5 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 34 0 18 1 0 1 1 0 8 0 pgrppl 48 34 0 18 1 0 1 1 0 8 0 ucredpl 104 148 0 136 1 0 1 1 0 8 0 zombiepl 144 460 0 460 1 0 1 1 0 8 1 processpl 1152 503 0 460 4 0 4 4 0 8 0 procpl 664 542 0 472 6 0 6 6 0 8 0 sockpl 552 171 0 147 2 0 2 2 0 8 0 mcl8k 8192 4 0 4 1 0 1 1 0 8 1 mcl4k 4096 10004 0 9946 17 1 16 17 0 8 8 mcl2k 2048 258 0 258 1 0 1 1 0 8 1 mtagpl 96 4 0 4 1 0 1 1 0 8 1 mbufpl 256 13745 0 13611 9 0 9 9 0 8 0 bufpl 280 5189 0 205 356 0 356 356 0 8 0 anonpl 24 208686 0 203297 59 0 59 59 0 187 26 amapchunkpl 152 13695 0 13024 29 0 29 29 0 158 3 amappl16 200 4181 0 4022 9 0 9 9 0 8 0 amappl15 192 16 0 15 1 0 1 1 0 8 0 amappl14 184 11 0 10 1 0 1 1 0 8 0 amappl13 176 472 0 471 1 0 1 1 0 8 0 amappl12 168 974 0 933 3 0 3 3 0 8 1 amappl11 160 42 0 40 1 0 1 1 0 8 0 amappl10 152 101 0 82 2 0 2 2 0 8 1 amappl9 144 1062 0 1062 1 0 1 1 0 8 1 amappl8 136 257 0 228 1 0 1 1 0 8 0 amappl7 128 172 0 169 1 0 1 1 0 8 0 amappl6 120 439 0 426 2 0 2 2 0 8 1 amappl5 112 145 0 138 1 0 1 1 0 8 0 amappl4 104 625 0 600 2 0 2 2 0 8 0 amappl3 96 1576 0 1457 3 0 3 3 0 8 0 amappl2 88 1030 0 974 5 0 5 5 0 8 3 amappl1 80 17477 0 16915 26 7 19 23 0 8 7 amappl 88 3320 0 3129 5 0 5 5 0 92 0 uvmvnodes 80 115 0 0 3 0 3 3 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 24 490 0 460 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 490 0 460 1 0 1 1 0 8 0 vmmpekpl 168 11986 0 11943 3 0 3 3 0 8 0 vmmpepl 168 65399 0 63438 122 0 122 122 0 357 36 vmsppl 368 489 0 460 3 0 3 3 0 8 0 rwobjpl 40 25651 0 24495 19 1 18 19 0 8 3 pdppl 4096 987 0 920 113 42 71 71 0 8 4 pvpl 32 580626 0 569497 447 151 296 445 0 265 206 pmappl 216 489 0 460 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 381 0 43 10 0 10 10 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace memset() at memset+0x52 VOP_WRITE(fffffd806b343648,ffff80002a99f4e0,5,fffffd8007bfd5b0) at VOP_WRITE+0x101 vn_write(fffffd80795c6c30,ffff80002a99f4e0,1) at vn_write+0x237 dofilewritev(ffff80002a803cb0,3,ffff80002a99f4e0,1,ffff80002a99f590) at dofilewritev+0x242 sys_pwritev(ffff80002a803cb0,ffff80002a99f640,ffff80002a99f590) at sys_pwritev+0xe3 syscall(ffff80002a99f640) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x88f2ed4b8c0, count: -7 ddb> machine ddbcpu 1 No such command ddb> trace memset() at memset+0x52 VOP_WRITE(fffffd806b343648,ffff80002a99f4e0,5,fffffd8007bfd5b0) at VOP_WRITE+0x101 vn_write(fffffd80795c6c30,ffff80002a99f4e0,1) at vn_write+0x237 dofilewritev(ffff80002a803cb0,3,ffff80002a99f4e0,1,ffff80002a99f590) at dofilewritev+0x242 sys_pwritev(ffff80002a803cb0,ffff80002a99f640,ffff80002a99f590) at sys_pwritev+0xe3 syscall(ffff80002a99f640) at syscall+0x962 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x88f2ed4b8c0, count: -7