kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Thu May 23 16:35:40 PDT 2019 OpenBSD/amd64 (ci-openbsd-main-2.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.168' (ECDSA) to the list of known hosts. 2019/05/23 16:36:21 parsed 1 programs 2019/05/23 16:36:26 executed programs: 0 login: uvm_fault(0xfffffd803f013630, 0x100000008, 0, 2) -> e kernel: page fault trap, code=0 Stopped at arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xfffffd803f013630, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f end trace frame: 0xffff800014a01f00, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f rtm_output(ffff80000096a600,ffff800014a01fb8,ffff800014a01f10,40,0) at rtm_output+0xbf4 route_output(fffffd8035e47700,fffffd8034f6ea90,0,0) at route_output+0x7d7 route_usrreq(fffffd8034f6ea90,9,fffffd8035e47700,0,0,ffff8000ffff5c30) at route_usrreq+0x363 sosend(fffffd8034f6ea90,0,ffff800014a021b0,0,0,80) at sosend+0x660 sendit(ffff8000ffff5c30,5,ffff800014a02290,0,ffff800014a023a0) at sendit+0x53c sys_sendto(ffff8000ffff5c30,ffff800014a02338,ffff800014a023a0) at sys_sendto+0x80 syscall(ffff800014a02410) at syscall+0x511 Xsyscall(6,0,ffffffffffffffd8,0,6,ba04b669010) at Xsyscall+0x128 end of kernel end trace frame: 0xba28065ab70, count: -9 ddb> show registers rdi 0x2 rsi 0xffffffff821fb4b0 __sancov_gen_cov_switch_values rbp 0xffff800014a01e60 rbx 0xffff8000000253c0 rdx 0x4 rcx 0xdeafbeaddeafbead rax 0xffff8000000253c8 r8 0x40 r9 0x5 r10 0x4a7b7a38ac14aed8 r11 0x44cf83fd09a0e60e r12 0xffff800000172290 r13 0x2 r14 0xfffffd8034ec24d8 r15 0x100000000 rip 0xffffffff81d28dbf arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800014a01de0 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.0) pid=433880 stat=onproc flags process=0 proc=4000000 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff52d0,0xffff8000ffff8978 process=0xffff8000ffff69e8 user=0xffff8000149fd000, vmspace=0xfffffd803f013630 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 82846 338596 32237 0 2 0 syz-executor.1 42700 299598 89467 0 2 0 syz-executor.0 *42700 433880 89467 0 7 0x4000000 syz-executor.0 42700 181353 89467 0 2 0x4000000 syz-executor.0 32237 1118 45759 0 3 0x82 nanosleep syz-executor.1 89467 366902 45759 0 3 0x82 nanosleep syz-executor.0 45759 175050 29814 0 3 0x82 kqread syz-execprog 45759 353567 29814 0 3 0x4000082 thrsleep syz-execprog 45759 31672 29814 0 3 0x4000082 thrsleep syz-execprog 45759 140978 29814 0 3 0x4000082 thrsleep syz-execprog 45759 506738 29814 0 3 0x4000082 thrsleep syz-execprog 45759 24529 29814 0 3 0x4000082 thrsleep syz-execprog 45759 279779 29814 0 3 0x4000082 thrsleep syz-execprog 29814 384502 18274 0 3 0x10008a pause ksh 18274 409752 14522 0 3 0x92 select sshd 82089 234975 1 0 3 0x100083 ttyin getty 14522 496256 1 0 3 0x80 select sshd 17711 422002 80745 73 2 0x100090 syslogd 80745 492917 1 0 3 0x100082 netio syslogd 60063 369019 1 77 3 0x100090 poll dhclient 76419 281900 1 0 3 0x80 poll dhclient 73121 211790 0 0 2 0x14200 zerothread 80653 195067 0 0 3 0x14200 aiodoned aiodoned 15117 219717 0 0 3 0x14200 syncer update 53644 91682 0 0 3 0x14200 cleaner cleaner 65333 447966 0 0 3 0x14200 reaper reaper 89345 513927 0 0 3 0x14200 pgdaemon pagedaemon 40193 88179 0 0 3 0x14200 bored crynlk 22639 81301 0 0 3 0x14200 bored crypto 61036 295587 0 0 3 0x40014200 acpi0 acpi0 69259 37137 0 0 3 0x14200 bored softnet 57341 12092 0 0 3 0x14200 bored systqmp 71550 346621 0 0 3 0x14200 bored systq 40579 272303 0 0 3 0x40014200 bored softclock 5597 230091 0 0 3 0x40014200 idle0 79418 68981 0 0 3 0x14200 bored smr 1 57510 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 Kern Lim devbuf 9436 6311K 6311K 78643K 10529 0 0 pcb 26 9K 10K 78643K 366 0 0 rtable 110 3K 3K 78643K 1103 0 0 ifaddr 34 9K 9K 78643K 34 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 15 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1174 74K 74K 78643K 1179 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 1K 78643K 2 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 2 0K 0K 78643K 2 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 16K 24K 78643K 111 0 0 proc 40 30K 54K 78643K 287 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 in_multi 33 2K 2K 78643K 33 0 0 ether_multi 1 0K 0K 78643K 1 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 18 79K 79K 78643K 18 0 0 exec 0 0K 1K 78643K 185 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 75 20K 20K 78643K 1076 0 0 UVM aobj 2 2K 2K 78643K 2 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 NDP 5 0K 0K 78643K 9 0 0 temp 195 2700K 2764K 78643K 3287 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 6 0 0 1 0 1 1 0 8 0 inpcbpl 280 30 0 22 1 0 1 1 0 8 0 plimitpl 152 15 0 8 1 0 1 1 0 8 0 rtentry 112 198 0 153 2 0 2 2 0 8 0 syncache 264 5 0 5 1 1 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 544 8 0 3 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 194 0 0 13 0 13 13 0 8 0 art_table 32 195 0 0 2 0 2 2 0 8 0 art_node 16 45 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1513 0 96 46 0 46 46 0 8 0 ffsino 240 1513 0 96 84 0 84 84 0 8 0 nchpl 144 1820 0 188 61 0 61 61 0 8 0 uvmvnodes 72 1522 0 0 28 0 28 28 0 8 0 vnodes 200 1522 0 0 81 0 81 81 0 8 0 namei 1024 4337 0 4337 2 1 1 1 0 8 1 scxspl 192 4233 0 4233 9 8 1 7 0 8 1 sigapl 432 287 0 273 2 0 2 2 0 8 0 futexpl 56 911 0 911 1 0 1 1 0 8 1 knotepl 112 51 0 34 1 0 1 1 0 8 0 kqueuepl 104 2 0 0 1 0 1 1 0 8 0 pipepl 112 146 0 127 2 1 1 1 0 8 0 fdescpl 424 288 0 273 2 0 2 2 0 8 0 filepl 120 1350 0 1286 3 0 3 3 0 8 1 lockfpl 104 6 0 6 1 1 0 1 0 8 0 lockfspl 48 3 0 3 1 1 0 1 0 8 0 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 47 0 40 1 0 1 1 0 8 0 zombiepl 144 273 0 273 2 1 1 1 0 8 1 processpl 840 302 0 273 4 0 4 4 0 8 0 procpl 600 395 0 358 4 0 4 4 0 8 1 sockpl 384 383 0 362 3 0 3 3 0 8 0 mcl4k 4096 10 0 10 1 1 0 1 0 8 0 mcl2k 2048 5519 0 5491 6 2 4 6 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 13509 0 13342 19 1 18 18 0 8 3 bufpl 256 5367 0 1262 257 0 257 257 0 8 0 anonpl 16 24928 0 23354 14 2 12 12 0 62 5 amapchunkpl 152 1181 0 1117 5 0 5 5 0 158 2 amappl16 192 468 0 424 3 0 3 3 0 8 0 amappl15 184 53 0 52 1 0 1 1 0 8 0 amappl14 176 34 0 33 2 1 1 1 0 8 0 amappl13 168 1 0 0 1 0 1 1 0 8 0 amappl12 160 8 0 7 1 0 1 1 0 8 0 amappl11 152 56 0 41 1 0 1 1 0 8 0 amappl10 144 103 0 99 2 1 1 1 0 8 0 amappl9 136 390 0 387 1 0 1 1 0 8 0 amappl8 128 117 0 109 1 0 1 1 0 8 0 amappl7 120 70 0 64 1 0 1 1 0 8 0 amappl6 112 59 0 51 1 0 1 1 0 8 0 amappl5 104 148 0 139 1 0 1 1 0 8 0 amappl4 96 434 0 413 1 0 1 1 0 8 0 amappl3 88 182 0 171 1 0 1 1 0 8 0 amappl2 80 1506 0 1444 4 1 3 3 0 8 1 amappl1 72 14855 0 14439 27 11 16 19 0 8 8 amappl 80 624 0 594 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 dma64 64 259 0 259 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 288 0 273 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 288 0 273 1 0 1 1 0 8 0 vmmpekpl 168 6576 0 6559 1 0 1 1 0 8 0 vmmpepl 168 35449 0 34464 92 18 74 74 0 357 31 vmsppl 264 287 0 273 2 0 2 2 0 8 1 pdppl 4096 582 0 546 6 0 6 6 0 8 1 pvpl 32 114153 0 110203 104 5 99 99 0 265 65 pmappl 200 287 0 273 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 395 0 7 12 0 12 12 0 8 0 ddb>