kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Thu Jan 2 16:45:27 PST 2020 OpenBSD/amd64 (ci-openbsd-main-0.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.246' (ECDSA) to the list of known hosts. executing program login: panic: unhandled af 226 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 16814 25311 0 0x2 0x4000000 0 syz-executor6693 db_enter() at db_enter+0x18 panic(ffffffff821b8616) at panic+0x15c unhandled_af(e2) at unhandled_af+0x16 pf_addrcpy(ffff80001d3d8398,ffff80001d3d8690,e2) at pf_addrcpy+0x99 pfioctl(4900,c0504417,ffff80001d3d8690,1,ffff8000ffff49f0) at pfioctl+0x43c0 VOP_IOCTL(fffffd8060465000,c0504417,ffff80001d3d8690,1,fffffd806c3beba0,ffff8000ffff49f0) at VOP_IOCTL+0x88 vn_ioctl(fffffd805d733710,c0504417,ffff80001d3d8690,ffff8000ffff49f0) at vn_ioctl+0xb7 sys_ioctl(ffff8000ffff49f0,ffff80001d3d87a8,ffff80001d3d87f0) at sys_ioctl+0x5b9 syscall(ffff80001d3d8870) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e6583dd540, 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 226 ddb> trace db_enter() at db_enter+0x18 panic(ffffffff821b8616) at panic+0x15c unhandled_af(e2) at unhandled_af+0x16 pf_addrcpy(ffff80001d3d8398,ffff80001d3d8690,e2) at pf_addrcpy+0x99 pfioctl(4900,c0504417,ffff80001d3d8690,1,ffff8000ffff49f0) at pfioctl+0x43c0 VOP_IOCTL(fffffd8060465000,c0504417,ffff80001d3d8690,1,fffffd806c3beba0,ffff8000ffff49f0) at VOP_IOCTL+0x88 vn_ioctl(fffffd805d733710,c0504417,ffff80001d3d8690,ffff8000ffff49f0) at vn_ioctl+0xb7 sys_ioctl(ffff8000ffff49f0,ffff80001d3d87a8,ffff80001d3d87f0) at sys_ioctl+0x5b9 syscall(ffff80001d3d8870) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e6583dd540, count: -10 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80001d3d8250 rbx 0xffff80001d3d8300 rdx 0x2 rcx 0x1 rax 0x1 r8 0xffff80001d3d8210 r9 0x1 r10 0x48e982c50690599a r11 0xcbb48788ef286c4e r12 0x3000000008 r13 0xffff80001d3d8260 r14 0x100 r15 0x1 rip 0xffffffff81f91018 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80001d3d8240 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (syz-executor6693) pid=16814 stat=onproc flags process=2 proc=4000000 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff58c0,0xffffffff8256b098 process=0xffff80001d39a018 user=0xffff80001d3d3000, vmspace=0xfffffd806bc0acc0 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 25311 61066 77574 0 2 0x2 syz-executor6693 *25311 16814 77574 0 7 0x4000002 syz-executor6693 77574 231663 21757 0 3 0x10008a pause ksh 21757 39590 56171 0 3 0x92 select sshd 36899 80288 1 0 3 0x100083 ttyin getty 56171 211320 1 0 3 0x80 select sshd 86532 52300 847 73 3 0x100090 kqread syslogd 847 289935 1 0 3 0x100082 netio syslogd 41287 487600 1 77 3 0x100090 poll dhclient 10793 380186 1 0 3 0x80 poll dhclient 58455 123958 0 0 2 0x14200 zerothread 33522 174440 0 0 3 0x14200 aiodoned aiodoned 34584 76041 0 0 3 0x14200 syncer update 73207 225463 0 0 3 0x14200 cleaner cleaner 41445 509622 0 0 3 0x14200 reaper reaper 82622 382819 0 0 3 0x14200 pgdaemon pagedaemon 6405 69194 0 0 3 0x14200 bored crynlk 56955 162913 0 0 3 0x14200 bored crypto 91475 228148 0 0 3 0x40014200 acpi0 acpi0 40774 57269 0 0 3 0x14200 bored softnet 93967 255124 0 0 3 0x14200 bored systqmp 4840 344620 0 0 3 0x14200 bored systq 31268 422305 0 0 3 0x40014200 bored softclock 23864 328758 0 0 3 0x40014200 idle0 22904 337433 0 0 3 0x14200 bored smr 1 490252 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 725 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 1 0 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 3480 0 3480 1 0 1 1 0 8 1 scxspl 192 2401 0 2401 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 futexpl 56 5 0 5 1 0 1 1 0 8 1 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 120 859 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 1 0 1 1 0 8 1 processpl 872 191 0 166 4 0 4 4 0 8 0 procpl 632 192 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 1 0 1 1 0 8 1 mcl2k 2048 5915 0 5885 7 1 6 7 0 8 2 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 10095 0 10053 5 1 4 5 0 8 1 bufpl 280 2106 0 258 132 0 132 132 0 8 0 anonpl 16 18086 0 16914 7 1 6 7 0 107 1 amapchunkpl 152 520 0 482 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 1 0 1 1 0 8 0 amappl12 160 3 0 3 1 0 1 1 0 8 1 amappl11 152 40 0 29 1 0 1 1 0 8 0 amappl10 144 5 0 5 1 0 1 1 0 8 1 amappl9 136 374 0 373 1 0 1 1 0 8 0 amappl8 128 62 0 57 1 0 1 1 0 8 0 amappl7 120 64 0 55 1 0 1 1 0 8 0 amappl6 112 46 0 44 1 0 1 1 0 8 0 amappl5 104 158 0 149 1 0 1 1 0 8 0 amappl4 96 393 0 372 1 0 1 1 0 8 0 amappl3 88 110 0 102 1 0 1 1 0 8 0 amappl2 80 733 0 674 2 0 2 2 0 8 0 amappl1 72 11991 0 11589 16 7 9 16 0 8 0 amappl 80 369 0 349 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 5226 0 5212 1 0 1 1 0 8 0 vmmpepl 168 26181 0 25360 48 10 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 71487 0 68687 26 0 26 26 0 265 1 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