kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Tue Dec 31 17:05:09 PST 2019 OpenBSD/amd64 (ci-openbsd-main-3.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.91' (ECDSA) to the list of known hosts. executing program login: panic: unhandled af 38 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *242401 17407 0 0x2 0 0 syz-executor2113 db_enter() at db_enter+0x18 panic(ffffffff821b61dd) at panic+0x15c unhandled_af(26) at unhandled_af+0x16 pf_addrcpy(ffff80001d3d2428,ffff80001d3d2720,26) at pf_addrcpy+0x99 pfioctl(4900,c0504417,ffff80001d3d2720,1,ffff8000ffff4500) at pfioctl+0x43c0 VOP_IOCTL(fffffd8066aa8270,c0504417,ffff80001d3d2720,1,fffffd806c3bed20,ffff8000ffff4500) at VOP_IOCTL+0x88 vn_ioctl(fffffd805d737710,c0504417,ffff80001d3d2720,ffff8000ffff4500) at vn_ioctl+0xb7 sys_ioctl(ffff8000ffff4500,ffff80001d3d2838,ffff80001d3d2880) at sys_ioctl+0x5b9 syscall(ffff80001d3d2900) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff7e10, 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 38 ddb> trace db_enter() at db_enter+0x18 panic(ffffffff821b61dd) at panic+0x15c unhandled_af(26) at unhandled_af+0x16 pf_addrcpy(ffff80001d3d2428,ffff80001d3d2720,26) at pf_addrcpy+0x99 pfioctl(4900,c0504417,ffff80001d3d2720,1,ffff8000ffff4500) at pfioctl+0x43c0 VOP_IOCTL(fffffd8066aa8270,c0504417,ffff80001d3d2720,1,fffffd806c3bed20,ffff8000ffff4500) at VOP_IOCTL+0x88 vn_ioctl(fffffd805d737710,c0504417,ffff80001d3d2720,ffff8000ffff4500) at vn_ioctl+0xb7 sys_ioctl(ffff8000ffff4500,ffff80001d3d2838,ffff80001d3d2880) at sys_ioctl+0x5b9 syscall(ffff80001d3d2900) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff7e10, count: -10 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80001d3d22e0 rbx 0xffff80001d3d2390 rdx 0x2 rcx 0x1 rax 0x1 r8 0xffff80001d3d22a0 r9 0x1 r10 0xce3aaa6766265afc r11 0x3ea18dc0881a6fe7 r12 0x3000000008 r13 0xffff80001d3d22f0 r14 0x100 r15 0x1 rip 0xffffffff817d3d08 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80001d3d22d0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (syz-executor2113) pid=242401 stat=onproc flags process=2 proc=0 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff4ee0,0xffffffff82556268 process=0xffff80001d39a380 user=0xffff80001d3cd000, vmspace=0xfffffd806bc09bb0 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND *17407 242401 10794 0 7 0x2 syz-executor2113 10794 174275 30657 0 3 0x10008a pause ksh 30657 125642 92088 0 2 0x12 sshd 49907 327944 1 0 3 0x100083 ttyin getty 92088 223180 1 0 3 0x80 select sshd 70829 320065 18153 73 3 0x100090 kqread syslogd 18153 484923 1 0 3 0x100082 netio syslogd 22603 124500 1 77 3 0x100090 poll dhclient 10200 473276 1 0 3 0x80 poll dhclient 76086 228816 0 0 2 0x14200 zerothread 72228 190137 0 0 3 0x14200 aiodoned aiodoned 75652 379253 0 0 3 0x14200 syncer update 30982 86425 0 0 3 0x14200 cleaner cleaner 6609 8752 0 0 3 0x14200 reaper reaper 47274 426146 0 0 3 0x14200 pgdaemon pagedaemon 97485 418600 0 0 3 0x14200 bored crynlk 8286 447294 0 0 3 0x14200 bored crypto 71550 475031 0 0 3 0x40014200 acpi0 acpi0 24922 485866 0 0 3 0x14200 bored softnet 87055 71219 0 0 3 0x14200 bored systqmp 41498 436069 0 0 3 0x14200 bored systq 30686 152292 0 0 3 0x40014200 bored softclock 54097 128637 0 0 3 0x40014200 idle0 29692 469106 0 0 3 0x14200 bored smr 1 362612 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 iov 0 0K 0K 78643K 1 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 60 3K 3K 78643K 707 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 1711 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 96 0 0 6 0 6 6 0 8 0 art_table 32 97 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 3479 0 3479 1 0 1 1 0 8 1 scxspl 192 2429 0 2429 1 0 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 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 1 0 1 1 0 8 0 fdescpl 424 177 0 166 2 0 2 2 0 8 0 filepl 120 858 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 632 191 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 5788 0 5760 6 0 6 6 0 8 2 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 9927 0 9890 5 1 4 4 0 8 0 bufpl 280 2095 0 258 132 0 132 132 0 8 0 anonpl 16 17327 0 16178 7 2 5 7 0 107 0 amapchunkpl 152 466 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 7 0 7 1 1 0 1 0 8 0 amappl11 152 40 0 29 1 0 1 1 0 8 0 amappl10 144 2 0 2 1 1 0 1 0 8 0 amappl9 136 355 0 353 1 0 1 1 0 8 0 amappl8 128 62 0 58 1 0 1 1 0 8 0 amappl7 120 64 0 56 1 0 1 1 0 8 0 amappl6 112 45 0 43 1 0 1 1 0 8 0 amappl5 104 183 0 172 1 0 1 1 0 8 0 amappl4 96 392 0 371 1 0 1 1 0 8 0 amappl3 88 109 0 102 1 0 1 1 0 8 0 amappl2 80 722 0 670 2 0 2 2 0 8 0 amappl1 72 12417 0 12018 16 6 10 16 0 8 0 amappl 80 353 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 5216 0 5202 1 0 1 1 0 8 0 vmmpepl 168 26308 0 25529 48 10 38 48 0 357 3 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 71087 0 68331 28 1 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 112 114 0 4 4 0 4 4 0 8 0