kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Fri May 29 20:34:38 PDT 2020 OpenBSD/amd64 (ci-openbsd-main-6.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.250' (ECDSA) to the list of known hosts. 2020/05/29 20:37:24 parsed 1 programs 2020/05/29 20:37:27 executed programs: 0 login: uvm_fault(0xfffffd806bc09bb0, 0x4, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xfffffd806bc09bb0, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb end trace frame: 0xffff80001d807e80, count: 0 ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb pfi_instance_add(ffff8000009f6800,0,2) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000a0af40,ffff8000006b5200,0,2) at pfi_table_update+0x174 pfi_kif_update(ffff8000006b5200) at pfi_kif_update+0xba if_addgroup(ffff8000009f6800,ffff80001d808098) at if_addgroup+0x280 ifioctl(fffffd805dad8c88,80286987,ffff80001d808080,ffff80001d739ea8) at ifioctl+0x13e7 sys_ioctl(ffff80001d739ea8,ffff80001d808198,ffff80001d8081e0) at sys_ioctl+0x4a1 syscall(ffff80001d808260) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff61f0, count: -9 ddb> show registers rdi 0x20 rsi 0 rbp 0xffff80001d807de0 rbx 0 rdx 0 rcx 0xffff800000654000 rax 0 r8 0xffffffff813ede51 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0xe179ff2c045ab858 r12 0x34 r13 0x2 r14 0xffff800000654034 r15 0 rip 0xffffffff813ee59b pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001d807d70 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.0) pid=456735 stat=onproc flags process=0 proc=0 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff80001d73a868,0xffffffff825ec610 process=0xffff8000ffffb5a0 user=0xffff80001d803000, vmspace=0xfffffd806bc09bb0 estcpu=3, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND *74354 456735 97446 0 7 0 syz-executor.0 97446 194221 49897 0 3 0x82 nanosleep syz-executor.0 49897 167501 22615 0 3 0x82 thrsleep syz-execprog 49897 3363 22615 0 2 0x4000482 syz-execprog 49897 359441 22615 0 3 0x4000082 thrsleep syz-execprog 49897 195466 22615 0 3 0x4000082 thrsleep syz-execprog 49897 401384 22615 0 3 0x4000082 kqread syz-execprog 49897 249174 22615 0 3 0x4000082 thrsleep syz-execprog 49897 179508 22615 0 3 0x4000082 thrsleep syz-execprog 49897 72769 22615 0 3 0x4000082 thrsleep syz-execprog 22615 279574 21817 0 3 0x10008a pause ksh 21817 457497 5317 0 3 0x92 select sshd 19088 427973 1 0 3 0x100083 ttyin getty 5317 239351 1 0 3 0x80 select sshd 78480 39425 60670 73 3 0x100090 kqread syslogd 60670 22119 1 0 3 0x100082 netio syslogd 57617 519553 1 77 3 0x100090 poll dhclient 12013 477431 1 0 3 0x80 poll dhclient 92273 476749 0 0 3 0x14200 bored smr 55559 311887 0 0 2 0x14200 zerothread 28531 181759 0 0 3 0x14200 aiodoned aiodoned 9683 516574 0 0 3 0x14200 syncer update 93045 127724 0 0 3 0x14200 cleaner cleaner 1386 9468 0 0 3 0x14200 reaper reaper 30954 503685 0 0 3 0x14200 pgdaemon pagedaemon 90014 441025 0 0 3 0x14200 bored crynlk 3434 418717 0 0 3 0x14200 bored crypto 54763 234795 0 0 3 0x40014200 acpi0 acpi0 88689 101016 0 0 3 0x14200 bored softnet 40100 476348 0 0 3 0x14200 bored systqmp 69708 519109 0 0 3 0x14200 bored systq 81392 183425 0 0 2 0x40014200 softclock 67786 71402 0 0 3 0x40014200 idle0 1 500557 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 9444 6321K 6321K 78643K 10543 0 pcb 13 8K 8K 78643K 13 0 rtable 88 3K 4K 78643K 160 0 ifaddr 34 9K 9K 78643K 34 0 counters 20 16K 16K 78643K 20 0 ioctlops 0 0K 4K 78643K 15 0 mount 1 1K 1K 78643K 1 0 vnodes 1182 74K 74K 78643K 1187 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 0K 0K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 3 8K 12K 78643K 18 0 proc 47 38K 54K 78643K 318 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 26 1K 1K 78643K 26 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 19 95K 95K 78643K 19 0 exec 0 0K 1K 78643K 171 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 69 11K 12K 78643K 838 0 UVM aobj 2 2K 2K 78643K 2 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 6 0K 0K 78643K 6 0 temp 27 3027K 3089K 78643K 1628 0 kqueue 3 4K 4K 78643K 3 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 4 0 0 1 0 1 1 0 8 0 rtpcb 80 17 0 15 1 0 1 1 0 8 0 rtentry 112 34 0 1 1 0 1 1 0 8 0 unpcb 120 27 0 19 1 0 1 1 0 8 0 syncache 264 5 0 5 2 1 1 1 0 8 1 tcpcb 544 9 0 5 1 0 1 1 0 8 0 inpcb 280 28 0 20 1 0 1 1 0 8 0 nd6 48 3 0 0 1 0 1 1 0 8 0 pfrktable 1344 3 0 1 1 0 1 1 0 8 0 pfrule 1360 1 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 144 0 0 9 0 9 9 0 8 0 art_table 32 145 0 0 2 0 2 2 0 8 0 art_node 16 33 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1415 0 21 88 0 88 88 0 8 0 ffsino 240 1415 0 21 82 0 82 82 0 8 0 nchpl 144 1633 0 36 60 0 60 60 0 8 0 uvmvnodes 72 1424 0 0 26 0 26 26 0 8 0 vnodes 208 1424 0 0 75 0 75 75 0 8 0 namei 1024 3920 0 3920 2 1 1 1 0 8 1 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 scxspl 192 3848 0 3848 6 5 1 1 0 8 1 plimitpl 152 14 0 8 1 0 1 1 0 8 0 sigapl 424 212 0 185 4 0 4 4 0 8 0 knotepl 112 47 0 36 1 0 1 1 0 8 0 kqueuepl 144 2 0 0 1 0 1 1 0 8 0 pipelkpl 16 70 0 63 2 1 1 1 0 8 0 pipepl 120 140 0 127 2 1 1 1 0 8 0 fdescpl 432 198 0 185 2 0 2 2 0 8 0 filepl 120 980 0 924 2 0 2 2 0 8 0 lockfpl 104 5 0 4 1 0 1 1 0 8 0 lockfspl 48 3 0 2 1 0 1 1 0 8 0 sessionpl 112 18 0 9 1 0 1 1 0 8 0 pgrppl 48 18 0 9 1 0 1 1 0 8 0 ucredpl 96 57 0 50 1 0 1 1 0 8 0 zombiepl 144 185 0 185 2 1 1 1 0 8 1 processpl 920 212 0 185 4 0 4 4 0 8 0 procpl 624 219 0 185 3 0 3 3 0 8 0 sockpl 400 72 0 54 2 0 2 2 0 8 0 mcl4k 4096 10 0 10 2 1 1 1 0 8 1 mcl2k 2048 5524 0 5495 7 3 4 7 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 9621 0 9546 7 2 5 5 0 8 0 bufpl 280 2899 0 126 199 0 199 199 0 8 0 anonpl 16 20283 0 18694 14 2 12 12 0 107 4 amapchunkpl 152 788 0 727 4 0 4 4 0 158 1 amappl16 192 126 0 92 2 0 2 2 0 8 0 amappl15 184 3 0 0 1 0 1 1 0 8 0 amappl14 176 26 0 22 1 0 1 1 0 8 0 amappl13 168 21 0 18 2 1 1 1 0 8 0 amappl12 160 6 0 4 2 1 1 1 0 8 0 amappl11 152 46 0 37 1 0 1 1 0 8 0 amappl10 144 12 0 9 1 0 1 1 0 8 0 amappl9 136 202 0 201 1 0 1 1 0 8 0 amappl8 128 240 0 231 1 0 1 1 0 8 0 amappl7 120 102 0 91 1 0 1 1 0 8 0 amappl6 112 22 0 20 2 1 1 1 0 8 0 amappl5 104 174 0 165 1 0 1 1 0 8 0 amappl4 96 427 0 402 1 0 1 1 0 8 0 amappl3 88 107 0 102 1 0 1 1 0 8 0 amappl2 80 803 0 749 3 1 2 2 0 8 0 amappl1 72 13520 0 13122 25 8 17 17 0 8 9 amappl 80 418 0 392 1 0 1 1 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 64 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 198 0 185 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 198 0 185 1 0 1 1 0 8 0 vmmpekpl 168 6150 0 6132 1 0 1 1 0 8 0 vmmpepl 168 29009 0 28134 86 17 69 69 0 357 30 vmsppl 272 197 0 185 1 0 1 1 0 8 0 pdppl 4096 402 0 370 5 0 5 5 0 8 0 pvpl 32 104720 0 100855 109 7 102 102 0 265 69 pmappl 200 197 0 185 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 216 0 9 6 0 6 6 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb pfi_instance_add(ffff8000009f6800,0,2) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000a0af40,ffff8000006b5200,0,2) at pfi_table_update+0x174 pfi_kif_update(ffff8000006b5200) at pfi_kif_update+0xba if_addgroup(ffff8000009f6800,ffff80001d808098) at if_addgroup+0x280 ifioctl(fffffd805dad8c88,80286987,ffff80001d808080,ffff80001d739ea8) at ifioctl+0x13e7 sys_ioctl(ffff80001d739ea8,ffff80001d808198,ffff80001d8081e0) at sys_ioctl+0x4a1 syscall(ffff80001d808260) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff61f0, count: -9 ddb> machine ddbcpu 1 No such command ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb pfi_instance_add(ffff8000009f6800,0,2) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000a0af40,ffff8000006b5200,0,2) at pfi_table_update+0x174 pfi_kif_update(ffff8000006b5200) at pfi_kif_update+0xba if_addgroup(ffff8000009f6800,ffff80001d808098) at if_addgroup+0x280 ifioctl(fffffd805dad8c88,80286987,ffff80001d808080,ffff80001d739ea8) at ifioctl+0x13e7 sys_ioctl(ffff80001d739ea8,ffff80001d808198,ffff80001d8081e0) at sys_ioctl+0x4a1 syscall(ffff80001d808260) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff61f0, count: -9