kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Sun Oct 27 09:03:54 PDT 2019 OpenBSD/amd64 (ci-openbsd-multicore-9.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.235' (ECDSA) to the list of known hosts. 2019/10/27 09:04:42 parsed 1 programs 2019/10/27 09:04:49 executed programs: 0 2019/10/27 09:04:54 executed programs: 240 2019/10/27 09:04:59 executed programs: 496 2019/10/27 09:05:04 executed programs: 753 2019/10/27 09:05:09 executed programs: 1010 login: uvm_fault(0xffffffff82654d58, 0xa, 0, 1) -> e kernel: page fault trap, code=0 Stopped at vio_rxeof+0x191: movzwl 0xa(%r15),%eax ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xffffffff82654d58, 0xa, 0, 1) -> e vio_rxeof(ffff800000173000) at vio_rxeof+0x191 end trace frame: 0xffff800020a1f850, count: 0 ddb{0}> trace vio_rxeof(ffff800000173000) at vio_rxeof+0x191 vio_rx_intr(ffff800000173050) at vio_rx_intr+0x4d intr_handler(ffff800020a1f8b0,ffff80000024db00) at intr_handler+0x8f Xintr_ioapic_edge19_untramp(0,3,1388,0,0,ffff80000001dae0) at Xintr_ioapic_edge19_untramp+0x19f acpicpu_idle() at acpicpu_idle+0x331 sched_idle(ffffffff8247aff0) at sched_idle+0x3f7 end trace frame: 0x0, count: -6 ddb{0}> show registers rdi 0xc rsi 0xc rbp 0xffff800020a1f7f0 rbx 0xffff800000173000 rdx 0 rcx 0xffff8000001a4000 rax 0xc r8 0x2 r9 0 r10 0xce47ed7ca09bc2e9 r11 0x31b8128321899af6 r12 0xffff80000001ce00 r13 0xc r14 0xfffffd806f09b900 r15 0 rip 0xffffffff8133aac1 vio_rxeof+0x191 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020a1f760 ss 0x10 vio_rxeof+0x191: movzwl 0xa(%r15),%eax ddb{0}> show proc PROC (idle0) pid=42186 stat=onproc flags process=14000 proc=40000200 pri=0, usrpri=50, nice=20 forw=0x2d43606c63eee075, list=0xffff800020a11638,0xffff800020a10ee0 process=0xffff800020a13500 user=0xffff800020a1a000, vmspace=0xffffffff82654d58 estcpu=0, cpticks=8448, pctcpu=0.0 user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 86702 49747 25810 0 3 0x82 nanosleep syz-executor.0 25810 450709 59691 0 3 0x82 nanosleep syz-execprog 25810 90575 59691 0 3 0x4000082 nanosleep syz-execprog 25810 140282 59691 0 3 0x4000082 thrsleep syz-execprog 25810 369039 59691 0 3 0x4000082 thrsleep syz-execprog 25810 516929 59691 0 3 0x4000082 thrsleep syz-execprog 25810 445120 59691 0 3 0x4000082 thrsleep syz-execprog 25810 380313 59691 0 3 0x4000082 thrsleep syz-execprog 25810 361157 59691 0 3 0x4000082 thrsleep syz-execprog 25810 332807 59691 0 3 0x4000082 kqread syz-execprog 25810 189175 59691 0 3 0x4000082 thrsleep syz-execprog 59691 240875 11674 0 3 0x10008a pause ksh 11674 423655 38548 0 3 0x92 select sshd 18046 293258 1 0 3 0x100083 ttyin getty 38548 349913 1 0 3 0x80 select sshd 8937 19308 86921 74 3 0x100092 bpf pflogd 86921 516226 1 0 3 0x80 netio pflogd 82385 57191 83502 73 3 0x100090 kqread syslogd 83502 179629 1 0 3 0x100082 netio syslogd 87515 106843 1 77 3 0x100090 poll dhclient 50004 85786 1 0 3 0x80 poll dhclient 94737 233921 0 0 3 0x14200 pgzero zerothread 3829 284491 0 0 3 0x14200 aiodoned aiodoned 30094 397057 0 0 3 0x14200 syncer update 70428 216775 0 0 3 0x14200 cleaner cleaner 91911 31812 0 0 3 0x14200 reaper reaper 93437 222534 0 0 3 0x14200 pgdaemon pagedaemon 98170 135202 0 0 3 0x14200 bored crynlk 65244 340624 0 0 3 0x14200 bored crypto 39737 50856 0 0 3 0x40014200 acpi0 acpi0 79066 470280 0 0 7 0x40014200 idle1 37895 408405 0 0 3 0x14200 bored softnet 70580 274280 0 0 3 0x14200 bored systqmp 56393 289725 0 0 3 0x14200 bored systq 3266 409958 0 0 3 0x40014200 bored softclock *39201 42186 0 0 7 0x40014200 idle0 20795 437224 0 0 3 0x14200 bored smr 1 22268 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 39201 (idle0) thread 0xffff800020a11148 (42186) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff826646f0) #0 witness_lock+0x52e #1 intr_handler+0x5e #2 Xintr_ioapic_edge19_untramp+0x19f #3 acpicpu_idle+0x331 #4 sched_idle+0x3f7 #5 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9457 6385K 6385K 78643K 10544 0 0 pcb 13 8K 8K 78643K 15 0 0 rtable 77 2K 2K 78643K 165 0 0 ifaddr 32 9K 9K 78643K 1052 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1468 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1181 74K 74K 78643K 1186 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 1K 1K 78643K 2 0 0 sem 2 0K 0K 78643K 2 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12765 0 0 file desc 2 4K 12K 78643K 1037 0 0 proc 59 63K 83K 78643K 384 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 in_multi 22 1K 1K 78643K 22 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 199 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 74 12K 12K 78643K 1977 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 7 0 0 temp 48 3542K 3606K 78643K 5374 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 4 0 1 1 0 1 1 0 8 0 plcache 128 20 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 4 1 0 1 1 0 8 0 unpcb 120 29 0 19 1 0 1 1 0 8 0 syncache 264 5 0 5 2 2 0 1 0 8 0 tcpcb 544 8 0 5 1 0 1 1 0 8 0 inpcb 280 1053 0 1047 1 0 1 1 0 8 0 nd6 48 2 0 0 1 0 1 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 11 0 2 1 0 1 1 0 8 0 pfstkey 112 11 0 2 1 0 1 1 0 8 0 pfstate 328 11 0 2 1 0 1 1 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 167 0 2 11 0 11 11 0 8 0 art_table 32 168 0 2 2 0 2 2 0 8 0 art_node 16 33 0 6 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2441 0 1039 46 0 46 46 0 8 0 ffsino 272 2441 0 1039 94 0 94 94 0 8 0 nchpl 144 3699 0 2088 60 0 60 60 0 8 0 uvmvnodes 72 2451 0 0 45 0 45 45 0 8 0 vnodes 208 2451 0 0 129 0 129 129 0 8 0 namei 1024 8218 0 8218 2 1 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scxspl 192 10389 0 10389 9 8 1 7 0 8 1 plimitpl 152 15 0 8 1 0 1 1 0 8 0 sigapl 432 1245 0 1232 2 0 2 2 0 8 0 knotepl 112 39 0 28 1 0 1 1 0 8 0 kqueuepl 104 2 0 0 1 0 1 1 0 8 0 pipepl 112 154 0 141 2 1 1 1 0 8 0 fdescpl 488 1246 0 1232 3 0 3 3 0 8 0 filepl 152 3159 0 3101 3 0 3 3 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 19 0 9 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 52 0 43 1 0 1 1 0 8 0 zombiepl 144 1232 0 1231 2 1 1 1 0 8 0 processpl 896 1261 0 1231 4 0 4 4 0 8 0 procpl 632 1270 0 1231 4 0 4 4 0 8 0 sockpl 384 1099 0 1081 2 0 2 2 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 70 0 0 9 0 9 9 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 114 0 0 6 0 6 6 0 8 0 bufpl 256 6907 0 1315 350 0 350 350 0 8 0 anonpl 16 48861 0 46448 16 6 10 14 0 124 0 amapchunkpl 152 1780 0 1704 5 1 4 5 0 158 0 amappl16 192 4284 0 4200 5 0 5 5 0 8 0 amappl15 184 10 0 8 1 0 1 1 0 8 0 amappl14 176 27 0 24 2 1 1 1 0 8 0 amappl12 160 4 0 3 2 1 1 1 0 8 0 amappl11 152 50 0 35 1 0 1 1 0 8 0 amappl10 144 1030 0 1026 1 0 1 1 0 8 0 amappl9 136 461 0 456 1 0 1 1 0 8 0 amappl8 128 128 0 117 1 0 1 1 0 8 0 amappl7 120 1054 0 1050 1 0 1 1 0 8 0 amappl6 112 79 0 70 1 0 1 1 0 8 0 amappl5 104 127 0 113 1 0 1 1 0 8 0 amappl4 96 1516 0 1488 1 0 1 1 0 8 0 amappl3 88 120 0 115 1 0 1 1 0 8 0 amappl2 80 2993 0 2933 3 1 2 3 0 8 0 amappl1 72 23272 0 22861 25 15 10 20 0 8 0 amappl 80 1498 0 1469 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 17 0 17 1 1 0 1 0 8 0 aobjpl 64 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1246 0 1232 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1246 0 1232 1 0 1 1 0 8 0 vmmpekpl 168 8464 0 8443 2 0 2 2 0 8 0 vmmpepl 168 77487 0 76516 89 24 65 80 0 357 22 vmsppl 368 1245 0 1232 2 0 2 2 0 8 0 pdppl 4096 2499 0 2464 6 1 5 6 0 8 0 pvpl 32 215865 0 210927 116 16 100 115 0 265 60 pmappl 232 1245 0 1232 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 490 0 5 14 0 14 14 0 8 0