kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Sun Feb 16 06:12:26 PST 2020 OpenBSD/amd64 (ci-openbsd-multicore-8.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.44' (ECDSA) to the list of known hosts. 2020/02/16 06:12:39 parsed 1 programs 2020/02/16 06:12:47 executed programs: 0 login: uvm_fault(0xffffffff82631558, 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(0xffffffff82631558, 0xa, 0, 1) -> e vio_rxeof(ffff80000017b000) at vio_rxeof+0x191 end trace frame: 0xffff800020a278e0, count: 0 ddb{0}> trace vio_rxeof(ffff80000017b000) at vio_rxeof+0x191 vio_rx_intr(ffff80000017b050) at vio_rx_intr+0x4d intr_handler(ffff800020a27940,ffff800000255b80) at intr_handler+0x8f Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f acpicpu_idle() at acpicpu_idle+0x331 sched_idle(ffffffff824a8ff0) at sched_idle+0x3f7 end trace frame: 0x0, count: -6 ddb{0}> show registers rdi 0xc rsi 0xc rbp 0xffff800020a27880 rbx 0xffff80000017b000 rdx 0 rcx 0xffff8000001ac000 rax 0xc r8 0x2 r9 0 r10 0x623b9f19023d2e11 r11 0xb5396d9ceb3f1750 r12 0xffff800000024c00 r13 0xc r14 0xfffffd806f7a2d00 r15 0 rip 0xffffffff817a8181 vio_rxeof+0x191 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020a277f0 ss 0x10 vio_rxeof+0x191: movzwl 0xa(%r15),%eax ddb{0}> show proc PROC (idle0) pid=397127 stat=onproc flags process=14000 proc=40000200 pri=0, usrpri=50, nice=20 forw=0xe047ae6e9f54391d, list=0xffff800020a19ad0,0xffff800020a18eb0 process=0xffff800020a1ab40 user=0xffff800020a22000, vmspace=0xffffffff82631558 estcpu=0, cpticks=2677, pctcpu=0.0 user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 35535 130634 59450 0 3 0x82 nanosleep syz-executor.0 59450 419029 8706 0 3 0x82 thrsleep syz-execprog 59450 382668 8706 0 3 0x4000082 nanosleep syz-execprog 59450 312859 8706 0 3 0x4000082 thrsleep syz-execprog 59450 63192 8706 0 3 0x4000082 thrsleep syz-execprog 59450 431008 8706 0 3 0x4000082 thrsleep syz-execprog 59450 268770 8706 0 3 0x4000082 kqread syz-execprog 59450 91145 8706 0 3 0x4000082 thrsleep syz-execprog 59450 341494 8706 0 3 0x4000082 thrsleep syz-execprog 59450 501306 8706 0 3 0x4000082 nanosleep syz-execprog 8706 6852 58302 0 3 0x10008a pause ksh 58302 164223 70941 0 3 0x92 select sshd 87706 144655 1 0 3 0x100083 ttyin getty 70941 329498 1 0 3 0x80 select sshd 98104 413167 24979 74 3 0x100092 bpf pflogd 24979 432171 1 0 3 0x80 netio pflogd 11097 185626 44194 73 3 0x100090 kqread syslogd 44194 6144 1 0 3 0x100082 netio syslogd 65012 375603 1 77 3 0x100090 poll dhclient 56244 358806 1 0 3 0x80 poll dhclient 80133 521137 0 0 3 0x14200 pgzero zerothread 8286 127403 0 0 3 0x14200 aiodoned aiodoned 7552 472465 0 0 3 0x14200 syncer update 37786 57422 0 0 3 0x14200 cleaner cleaner 62254 16954 0 0 7 0x14200 reaper 98272 228741 0 0 3 0x14200 pgdaemon pagedaemon 76700 352046 0 0 3 0x14200 bored crynlk 79710 401355 0 0 3 0x14200 bored crypto 80519 315880 0 0 3 0x40014200 acpi0 acpi0 92296 513256 0 0 3 0x40014200 idle1 88173 355926 0 0 3 0x14200 bored softnet 14957 69268 0 0 3 0x14200 bored systqmp 13790 139807 0 0 3 0x14200 bored systq 97746 218566 0 0 3 0x40014200 bored softclock *54891 397127 0 0 7 0x40014200 idle0 54977 79028 0 0 3 0x14200 bored smr 1 72891 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 54891 (idle0) thread 0xffff800020a195f0 (397127) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82653868) #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 devbuf 9465 6395K 6395K 78643K 10556 0 pcb 13 8K 8K 78643K 13 0 rtable 83 2K 2K 78643K 163 0 ifaddr 37 9K 9K 78643K 40 0 counters 41 33K 33K 78643K 41 0 ioctlops 0 0K 4K 78643K 1468 0 mount 1 1K 1K 78643K 1 0 vnodes 1183 74K 75K 78643K 1188 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 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 2 4K 12K 78643K 19 0 proc 59 63K 83K 78643K 398 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 22 1K 1K 78643K 22 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 197 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 78 12K 12K 78643K 954 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 7 0K 0K 78643K 7 0 temp 29 3017K 3081K 78643K 1915 0 kqueue 3 4K 4K 78643K 3 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 4 0 0 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 1 1 0 1 1 0 8 0 unpcb 120 29 0 19 1 0 1 1 0 8 0 syncache 264 5 0 5 1 1 0 1 0 8 0 tcpcb 544 8 0 5 1 0 1 1 0 8 0 inpcb 280 35 0 29 1 0 1 1 0 8 0 nd6 48 3 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 10 0 0 1 0 1 1 0 8 0 pfstkey 112 10 0 0 1 0 1 1 0 8 0 pfstate 328 10 0 0 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 256 144 0 0 9 0 9 9 0 8 0 art_table 32 145 0 0 2 0 2 2 0 8 0 art_node 16 33 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1424 0 21 46 0 46 46 0 8 0 ffsino 272 1424 0 21 94 0 94 94 0 8 0 nchpl 144 1651 0 41 60 0 60 60 0 8 0 uvmvnodes 72 1434 0 0 27 0 27 27 0 8 0 vnodes 208 1434 0 0 76 0 76 76 0 8 0 namei 1024 4129 0 4129 1 0 1 1 0 8 1 percpumem 16 31 0 0 1 0 1 1 0 8 0 scxspl 192 4512 0 4512 2 1 1 2 0 8 1 plimitpl 152 15 0 8 1 0 1 1 0 8 0 sigapl 432 226 0 213 2 0 2 2 0 8 0 knotepl 112 39 0 28 1 0 1 1 0 8 0 kqueuepl 144 2 0 0 1 0 1 1 0 8 0 pipelkpl 48 74 0 67 1 0 1 1 0 8 0 pipepl 120 148 0 135 1 0 1 1 0 8 0 fdescpl 496 227 0 213 3 0 3 3 0 8 0 filepl 152 1104 0 1046 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 144 213 0 212 1 0 1 1 0 8 0 processpl 960 242 0 212 5 0 5 5 0 8 1 procpl 624 250 0 212 3 0 3 3 0 8 0 sockpl 400 81 0 63 2 0 2 2 0 8 0 mcl4k 4096 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 73 0 0 10 0 10 10 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 99 0 0 6 0 6 6 0 8 0 bufpl 280 3743 0 174 255 0 255 255 0 8 0 anonpl 16 22357 0 20744 14 1 13 13 0 124 6 amapchunkpl 152 772 0 702 5 0 5 5 0 158 1 amappl16 192 145 0 112 2 0 2 2 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 7 0 4 2 1 1 1 0 8 0 amappl13 168 28 0 26 1 0 1 1 0 8 0 amappl12 160 1 0 1 1 1 0 1 0 8 0 amappl11 152 75 0 56 1 0 1 1 0 8 0 amappl10 144 23 0 19 1 0 1 1 0 8 0 amappl9 136 234 0 232 1 0 1 1 0 8 0 amappl8 128 270 0 262 1 0 1 1 0 8 0 amappl7 120 116 0 104 1 0 1 1 0 8 0 amappl6 112 24 0 19 1 0 1 1 0 8 0 amappl5 104 129 0 113 1 0 1 1 0 8 0 amappl4 96 515 0 484 2 0 2 2 0 8 1 amappl3 88 109 0 104 1 0 1 1 0 8 0 amappl2 80 947 0 888 3 0 3 3 0 8 1 amappl1 72 15321 0 14900 25 7 18 20 0 8 8 amappl 80 478 0 448 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 24 227 0 213 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 227 0 213 1 0 1 1 0 8 0 vmmpekpl 168 6233 0 6209 2 0 2 2 0 8 0 vmmpepl 168 32513 0 31575 86 6 80 80 0 357 37 vmsppl 368 226 0 212 2 0 2 2 0 8 0 pdppl 4096 462 0 424 6 0 6 6 0 8 0 pvpl 32 112183 0 108217 115 0 115 115 0 265 81 pmappl 232 226 0 212 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 143 0 3 4 0 4 4 0 8 0 ddb{0}>