kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Wed Jun 3 14:59:07 PDT 2020 OpenBSD/amd64 (ci-openbsd-multicore-1.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.1.12' (ECDSA) to the list of known hosts. 2020/06/03 14:59:29 parsed 1 programs 2020/06/03 14:59:34 executed programs: 0 login: uvm_fault(0xffffffff82676618, 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(0xffffffff82676618, 0xa, 0, 1) -> e vio_rxeof(ffff80000017b000) at vio_rxeof+0x191 end trace frame: 0xffff800020e211d0, count: 0 ddb{0}> trace vio_rxeof(ffff80000017b000) at vio_rxeof+0x191 vio_rx_intr(ffff80000017b050) at vio_rx_intr+0x4d intr_handler(ffff800020e21230,ffff800000255c00) at intr_handler+0x8f Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f acpicpu_idle() at acpicpu_idle+0x331 sched_idle(ffffffff82507ff0) at sched_idle+0x3f7 end trace frame: 0x0, count: -6 ddb{0}> show registers rdi 0xc rsi 0xc rbp 0xffff800020e21170 rbx 0xffff80000017b000 rdx 0 rcx 0xffff8000001ac000 rax 0x1 r8 0x2 r9 0 r10 0xd533745394942f9 r11 0x4be8b999695320d1 r12 0xffff800000024c00 r13 0xc r14 0xfffffd807ccb0f00 r15 0 rip 0xffffffff81e2df61 vio_rxeof+0x191 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020e210e0 ss 0x10 vio_rxeof+0x191: movzwl 0xa(%r15),%eax ddb{0}> show proc PROC (idle0) pid=479631 stat=onproc flags process=14000 proc=40000200 pri=0, usrpri=50, nice=20 forw=0x8c9c12792212fc28, list=0xffff800020e19ad0,0xffff800020e18eb0 process=0xffff800020e1b710 user=0xffff800020e1c000, vmspace=0xffffffff82676618 estcpu=0, cpticks=3186, pctcpu=0.0 user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 96611 449749 84875 0 3 0x82 nanosleep syz-executor.0 84875 221547 70577 0 3 0x82 thrsleep syz-execprog 84875 130720 70577 0 3 0x4000082 nanosleep syz-execprog 84875 27531 70577 0 3 0x4000082 thrsleep syz-execprog 84875 143879 70577 0 3 0x4000082 thrsleep syz-execprog 84875 396671 70577 0 3 0x4000082 kqread syz-execprog 84875 394032 70577 0 3 0x4000082 thrsleep syz-execprog 84875 248568 70577 0 3 0x4000082 thrsleep syz-execprog 84875 255879 70577 0 3 0x4000082 thrsleep syz-execprog 84875 117691 70577 0 3 0x4000082 nanosleep syz-execprog 70577 411193 55083 0 3 0x10008a pause ksh 55083 299760 72231 0 3 0x92 select sshd 45829 20878 1 0 3 0x100083 ttyin getty 72231 110289 1 0 3 0x80 select sshd 15843 293964 85215 74 3 0x100092 bpf pflogd 85215 337557 1 0 3 0x80 netio pflogd 17339 137361 27702 73 3 0x100090 kqread syslogd 27702 33541 1 0 3 0x100082 netio syslogd 20326 85579 1 77 3 0x100090 poll dhclient 21835 434210 1 0 3 0x80 poll dhclient 77070 395948 0 0 3 0x14200 bored smr 82697 235091 0 0 3 0x14200 pgzero zerothread 97449 36666 0 0 3 0x14200 aiodoned aiodoned 3406 318625 0 0 3 0x14200 syncer update 77745 192132 0 0 3 0x14200 cleaner cleaner 87832 414601 0 0 3 0x14200 reaper reaper 26284 327439 0 0 3 0x14200 pgdaemon pagedaemon 57733 245151 0 0 3 0x14200 bored crynlk 25727 309789 0 0 3 0x14200 bored crypto 97056 188065 0 0 3 0x40014200 acpi0 acpi0 80715 471628 0 0 7 0x40014200 idle1 13949 100838 0 0 3 0x14200 bored softnet 91054 436758 0 0 3 0x14200 bored systqmp 59612 116387 0 0 3 0x14200 bored systq 66219 31870 0 0 3 0x40014200 bored softclock *68514 479631 0 0 7 0x40014200 idle0 1 107846 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 68514 (idle0) thread 0xffff800020e19860 (479631) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82686420) #0 witness_lock+0x4c7 #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 9467 6396K 6396K 78643K 10560 0 pcb 13 8K 8K 78643K 13 0 rtable 83 2K 2K 78643K 163 0 ifaddr 37 9K 9K 78643K 41 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 1824 197K 290K 78643K 13058 0 file desc 2 4K 12K 78643K 20 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 75 12K 12K 78643K 951 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 3029K 3093K 78643K 1872 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 0 1 1 0 8 1 tcpcb 544 8 0 5 1 0 1 1 0 8 0 inpcb 280 36 0 30 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 11 0 0 1 0 1 1 0 8 0 pfstkey 112 11 0 0 1 0 1 1 0 8 0 pfstate 328 11 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 256 145 0 0 10 0 10 10 0 8 0 art_table 32 146 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 dino2pl 256 1426 0 24 88 0 88 88 0 8 0 ffsino 272 1426 0 24 94 0 94 94 0 8 0 nchpl 144 1646 0 43 60 0 60 60 0 8 0 uvmvnodes 72 1436 0 0 27 0 27 27 0 8 0 vnodes 208 1436 0 0 76 0 76 76 0 8 0 namei 1024 4218 0 4218 1 0 1 1 0 8 1 percpumem 16 31 0 0 1 0 1 1 0 8 0 scxspl 192 3851 0 3851 2 1 1 2 0 8 1 plimitpl 152 15 0 8 1 0 1 1 0 8 0 sigapl 424 243 0 214 4 0 4 4 0 8 0 knotepl 112 47 0 36 1 0 1 1 0 8 0 kqueuepl 144 2 0 0 1 0 1 1 0 8 0 pipelkpl 48 77 0 70 1 0 1 1 0 8 0 pipepl 120 154 0 141 1 0 1 1 0 8 0 fdescpl 496 228 0 214 3 0 3 3 0 8 0 filepl 152 1119 0 1061 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 62 0 53 1 0 1 1 0 8 0 zombiepl 144 214 0 213 1 0 1 1 0 8 0 processpl 984 243 0 213 5 0 5 5 0 8 1 procpl 624 251 0 213 4 0 4 4 0 8 1 sockpl 400 82 0 64 2 0 2 2 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 76 0 0 10 0 10 10 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 105 0 0 7 0 7 7 0 8 0 bufpl 280 2990 0 133 205 0 205 205 0 8 0 anonpl 16 22370 0 20724 13 1 12 12 0 124 4 amapchunkpl 152 744 0 678 5 0 5 5 0 158 1 amappl16 192 149 0 114 2 0 2 2 0 8 0 amappl15 184 1 0 1 1 1 0 1 0 8 0 amappl14 176 38 0 32 1 0 1 1 0 8 0 amappl13 168 22 0 20 1 0 1 1 0 8 0 amappl12 160 8 0 7 2 1 1 1 0 8 0 amappl11 152 57 0 42 1 0 1 1 0 8 0 amappl10 144 24 0 20 1 0 1 1 0 8 0 amappl9 136 226 0 225 1 0 1 1 0 8 0 amappl8 128 279 0 270 1 0 1 1 0 8 0 amappl7 120 114 0 103 1 0 1 1 0 8 0 amappl6 112 26 0 22 3 2 1 1 0 8 0 amappl5 104 137 0 122 1 0 1 1 0 8 0 amappl4 96 497 0 468 1 0 1 1 0 8 0 amappl3 88 109 0 101 1 0 1 1 0 8 0 amappl2 80 902 0 847 2 0 2 2 0 8 0 amappl1 72 15456 0 15034 23 5 18 18 0 8 8 amappl 80 478 0 450 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 24 228 0 214 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 228 0 214 1 0 1 1 0 8 0 vmmpekpl 168 6351 0 6329 2 0 2 2 0 8 0 vmmpepl 168 32867 0 31936 80 8 72 72 0 357 29 vmsppl 368 227 0 214 2 0 2 2 0 8 0 pdppl 4096 464 0 428 6 0 6 6 0 8 0 pvpl 32 114041 0 110019 104 0 104 104 0 265 69 pmappl 232 227 0 214 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 234 0 3 7 0 7 7 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace vio_rxeof(ffff80000017b000) at vio_rxeof+0x191 vio_rx_intr(ffff80000017b050) at vio_rx_intr+0x4d intr_handler(ffff800020e21230,ffff800000255c00) at intr_handler+0x8f Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f acpicpu_idle() at acpicpu_idle+0x331 sched_idle(ffffffff82507ff0) at sched_idle+0x3f7 end trace frame: 0x0, count: -6 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020e00ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xc6 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x331 sched_idle(ffff800020e00ff0) at sched_idle+0x3f7 end trace frame: 0x0, count: -5 ddb{1}>