kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Wed Jan 1 00:16:34 PST 2020 OpenBSD/amd64 (ci-openbsd-main-9.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.10.1' (ECDSA) to the list of known hosts. executing program login: panic: unhandled af 0 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *278581 55390 0 0x2 0x4000000 0 syz-executor5637 db_enter() at db_enter+0x18 panic(ffffffff821b8806) at panic+0x15c unhandled_af(0) at unhandled_af+0x16 pf_addrcpy(ffff80001d3d7b18,ffff80001d3d7e10,0) at pf_addrcpy+0x99 pfioctl(4900,c0504417,ffff80001d3d7e10,1,ffff8000ffff4288) at pfioctl+0x43c0 VOP_IOCTL(fffffd805dadc820,c0504417,ffff80001d3d7e10,1,fffffd806c3bec00,ffff8000ffff4288) at VOP_IOCTL+0x88 vn_ioctl(fffffd805d732350,c0504417,ffff80001d3d7e10,ffff8000ffff4288) at vn_ioctl+0xb7 sys_ioctl(ffff8000ffff4288,ffff80001d3d7f28,ffff80001d3d7f70) at sys_ioctl+0x5b9 syscall(ffff80001d3d7ff0) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9e490af33c0, 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 unhandled af 0 ddb> trace db_enter() at db_enter+0x18 panic(ffffffff821b8806) at panic+0x15c unhandled_af(0) at unhandled_af+0x16 pf_addrcpy(ffff80001d3d7b18,ffff80001d3d7e10,0) at pf_addrcpy+0x99 pfioctl(4900,c0504417,ffff80001d3d7e10,1,ffff8000ffff4288) at pfioctl+0x43c0 VOP_IOCTL(fffffd805dadc820,c0504417,ffff80001d3d7e10,1,fffffd806c3bec00,ffff8000ffff4288) at VOP_IOCTL+0x88 vn_ioctl(fffffd805d732350,c0504417,ffff80001d3d7e10,ffff8000ffff4288) at vn_ioctl+0xb7 sys_ioctl(ffff8000ffff4288,ffff80001d3d7f28,ffff80001d3d7f70) at sys_ioctl+0x5b9 syscall(ffff80001d3d7ff0) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9e490af33c0, count: -10 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80001d3d79d0 rbx 0xffff80001d3d7a80 rdx 0x2 rcx 0x1 rax 0x1 r8 0xffff80001d3d7990 r9 0x1 r10 0x7c3017b870f22bff r11 0x77a0dc252a746d17 r12 0x3000000008 r13 0xffff80001d3d79e0 r14 0x100 r15 0x1 rip 0xffffffff8147cb18 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80001d3d79c0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (syz-executor5637) pid=278581 stat=onproc flags process=2 proc=4000000 pri=52, usrpri=52, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff5648,0xffff8000ffff4510 process=0xffff80001d39a6e8 user=0xffff80001d3d3000, vmspace=0xfffffd806bc09660 estcpu=2, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 55390 319748 32140 0 2 0x2 syz-executor5637 *55390 278581 32140 0 7 0x4000002 syz-executor5637 55390 357075 32140 0 3 0x4000082 fsleep syz-executor5637 32140 302270 73738 0 3 0x10008a pause ksh 73738 251114 29305 0 3 0x92 select sshd 22759 171687 1 0 3 0x100083 ttyin getty 29305 405441 1 0 3 0x80 select sshd 38135 215033 7044 73 3 0x100090 kqread syslogd 7044 499907 1 0 3 0x100082 netio syslogd 77198 390566 1 77 3 0x100090 poll dhclient 20848 249391 1 0 3 0x80 poll dhclient 13669 50861 0 0 2 0x14200 zerothread 85591 269056 0 0 3 0x14200 aiodoned aiodoned 33704 370539 0 0 3 0x14200 syncer update 61321 323639 0 0 3 0x14200 cleaner cleaner 71033 128647 0 0 3 0x14200 reaper reaper 77414 274537 0 0 3 0x14200 pgdaemon pagedaemon 84952 275348 0 0 3 0x14200 bored crynlk 34162 350511 0 0 3 0x14200 bored crypto 7030 304022 0 0 3 0x40014200 acpi0 acpi0 39908 292449 0 0 3 0x14200 bored softnet 53726 8411 0 0 3 0x14200 bored systqmp 11994 501044 0 0 3 0x14200 bored systq 4432 303262 0 0 3 0x40014200 bored softclock 22172 279406 0 0 3 0x40014200 idle0 90253 233137 0 0 3 0x14200 bored smr 1 18970 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 9438 6319K 6320K 78643K 10535 0 pcb 13 8K 8K 78643K 13 0 rtable 61 1K 2K 78643K 117 0 ifaddr 24 7K 7K 78643K 24 0 counters 19 16K 16K 78643K 19 0 ioctlops 0 0K 2K 78643K 13 0 mount 1 1K 1K 78643K 1 0 vnodes 1180 74K 74K 78643K 1185 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 1794 195K 288K 78643K 12646 0 file desc 1 0K 0K 78643K 1 0 proc 47 38K 46K 78643K 278 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 11 0K 0K 78643K 11 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 151 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 63 3K 3K 78643K 710 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 3 0K 0K 78643K 3 0 temp 20 3003K 3067K 78643K 1712 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 2 0 0 1 0 1 1 0 8 0 rtpcb 80 15 0 13 1 0 1 1 0 8 0 rtentry 112 23 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 8 0 5 1 0 1 1 0 8 0 inpcb 280 22 0 16 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 97 0 0 7 0 7 7 0 8 0 art_table 32 98 0 0 1 0 1 1 0 8 0 art_node 16 22 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1392 0 15 45 0 45 45 0 8 0 ffsino 240 1392 0 15 81 0 81 81 0 8 0 nchpl 144 1567 0 31 57 0 57 57 0 8 0 uvmvnodes 72 1401 0 0 26 0 26 26 0 8 0 vnodes 208 1401 0 0 74 0 74 74 0 8 0 namei 1024 3480 0 3480 2 1 1 1 0 8 1 scxspl 192 2568 0 2568 2 1 1 1 0 8 1 plimitpl 152 13 0 8 1 0 1 1 0 8 0 sigapl 432 176 0 166 2 0 2 2 0 8 0 futexpl 56 5 0 4 1 0 1 1 0 8 0 knotepl 112 5 0 0 1 0 1 1 0 8 0 kqueuepl 104 1 0 0 1 0 1 1 0 8 0 pipepl 112 114 0 107 2 1 1 1 0 8 0 fdescpl 424 177 0 166 2 0 2 2 0 8 0 filepl 120 859 0 814 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 17 0 9 1 0 1 1 0 8 0 pgrppl 48 17 0 9 1 0 1 1 0 8 0 ucredpl 96 47 0 40 1 0 1 1 0 8 0 zombiepl 144 166 0 166 2 1 1 1 0 8 1 processpl 872 191 0 166 4 0 4 4 0 8 0 procpl 632 193 0 166 3 0 3 3 0 8 0 sockpl 384 64 0 48 2 0 2 2 0 8 0 mcl4k 4096 10 0 10 2 1 1 1 0 8 1 mcl2k 2048 5921 0 5886 8 2 6 8 0 8 1 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 10090 0 10043 7 2 5 6 0 8 1 bufpl 280 2108 0 258 133 0 133 133 0 8 0 anonpl 16 17407 0 16229 7 2 5 7 0 107 0 amapchunkpl 152 470 0 430 2 0 2 2 0 158 0 amappl16 192 33 0 31 1 0 1 1 0 8 0 amappl15 184 42 0 38 1 0 1 1 0 8 0 amappl14 176 13 0 12 2 1 1 1 0 8 0 amappl12 160 5 0 5 1 1 0 1 0 8 0 amappl11 152 41 0 30 1 0 1 1 0 8 0 amappl10 144 5 0 5 1 1 0 1 0 8 0 amappl9 136 370 0 369 1 0 1 1 0 8 0 amappl8 128 64 0 59 1 0 1 1 0 8 0 amappl7 120 61 0 53 1 0 1 1 0 8 0 amappl6 112 46 0 43 1 0 1 1 0 8 0 amappl5 104 161 0 152 1 0 1 1 0 8 0 amappl4 96 395 0 372 1 0 1 1 0 8 0 amappl3 88 110 0 102 1 0 1 1 0 8 0 amappl2 80 726 0 667 3 1 2 2 0 8 0 amappl1 72 12157 0 11756 16 6 10 16 0 8 0 amappl 80 355 0 334 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 24 177 0 166 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 177 0 166 1 0 1 1 0 8 0 vmmpekpl 168 5227 0 5213 1 0 1 1 0 8 0 vmmpepl 168 26214 0 25395 56 18 38 48 0 357 2 vmsppl 272 176 0 166 1 0 1 1 0 8 0 pdppl 4096 360 0 332 5 0 5 5 0 8 0 pvpl 32 70691 0 67876 33 6 27 27 0 265 4 pmappl 200 176 0 166 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 120 0 8 4 0 4 4 0 8 0