kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Wed Dec 2 16:17:06 PST 2020 OpenBSD/amd64 (ci-openbsd-main-test-1.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.1.16' (ECDSA) to the list of known hosts. 2020/12/02 16:17:15 fuzzer started 2020/12/02 16:17:17 connecting to host at 10.128.15.235:1125 2020/12/02 16:17:17 checking machine... 2020/12/02 16:17:17 checking revisions... 2020/12/02 16:17:17 testing simple program... login: uvm_fault(0xfffffd806bc01aa0, 0x6f1df5b0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at spllower+0x27: movq cpu_info_full_primary+0x25b0(,%rax,8),%r13 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xfffffd806bc01aa0, 0x6f1df5b0, 0, 1) -> e spllower(ffff80001d954000) at spllower+0x27 end trace frame: 0xffff80001e959cf0, count: 0 ddb> trace spllower(ffff80001d954000) at spllower+0x27 single_thread_check_locked(ffff8000ffff8a48,0) at single_thread_check_locked+0x16a userret(ffff8000ffff8a48) at userret+0x2d5 syscall(ffff80001e959e20) at syscall+0x429 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb00e3affc00, count: -5 ddb> show registers rdi 0xffff80001d954000 rsi 0x41e rbp 0xffff80001e959c90 rbx 0x1000 __ALIGN_SIZE rdx 0xffff80001d954000 rcx 0x41d rax 0x1d954000 r8 0xffffffff81d7fd16 setrunnable+0x76 r9 0x5 r10 0x7f3f77626b4de1b9 r11 0x5cca948762bdcf85 r12 0xffff80001d8b1858 r13 0x1 r14 0xffff80001d8b1750 r15 0x1d954000 rip 0xffffffff81902ce7 spllower+0x27 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001e959c50 ss 0x10 spllower+0x27: movq cpu_info_full_primary+0x25b0(,%rax,8),%r13 ddb> show proc PROC (syz-executor.0) pid=455439 stat=onproc flags process=1000 proc=4080000 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff8008,0xffffffff82824790 process=0xffff80001d8b1750 user=0xffff80001e954000, vmspace=0xfffffd806bc01aa0 estcpu=10, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 47242 115044 62902 0 2 0x3000 syz-executor.0 *47242 455439 62902 0 7 0x4081000 syz-executor.0 62902 79927 44339 0 3 0x82 nanosleep syz-executor.0 44339 286980 31788 0 3 0x82 thrsleep syz-fuzzer 44339 16817 31788 0 3 0x4000082 thrsleep syz-fuzzer 44339 131154 31788 0 3 0x4000082 thrsleep syz-fuzzer 44339 283289 31788 0 3 0x4000082 kqread syz-fuzzer 44339 191971 31788 0 3 0x4000082 thrsleep syz-fuzzer 44339 315958 31788 0 3 0x4000082 thrsleep syz-fuzzer 31788 276828 97875 0 3 0x10008a pause ksh 97875 171885 74971 0 3 0x92 select sshd 47824 275645 1 0 3 0x100083 ttyin getty 74971 36062 1 0 3 0x80 select sshd 95069 384976 41368 73 3 0x100090 kqread syslogd 41368 160826 1 0 3 0x100082 netio syslogd 38798 316816 1 77 3 0x100090 poll dhclient 32653 516586 1 0 3 0x80 poll dhclient 36988 90241 0 0 3 0x14200 bored smr 95104 520766 0 0 2 0x14200 zerothread 76613 142056 0 0 3 0x14200 aiodoned aiodoned 1278 140376 0 0 3 0x14200 syncer update 99457 208617 0 0 3 0x14200 cleaner cleaner 62009 137150 0 0 3 0x14200 reaper reaper 3500 66936 0 0 3 0x14200 pgdaemon pagedaemon 94994 169017 0 0 3 0x14200 bored crynlk 67435 296670 0 0 3 0x14200 bored crypto 53358 161814 0 0 3 0x40014200 acpi0 acpi0 72622 476566 0 0 3 0x14200 bored softnet 26704 258827 0 0 3 0x14200 bored systqmp 66439 366335 0 0 3 0x14200 bored systq 50381 34388 0 0 3 0x40014200 bored softclock 82410 168438 0 0 3 0x40014200 idle0 1 15411 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 9443 6321K 6321K 78643K 10540 0 pcb 13 8K 8K 78643K 13 0 rtable 83 2K 2K 78643K 154 0 ifaddr 32 8K 8K 78643K 32 0 counters 20 16K 16K 78643K 20 0 ioctlops 0 0K 2K 78643K 14 0 mount 1 1K 1K 78643K 1 0 vnodes 1199 75K 75K 78643K 1204 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 1809 195K 288K 78643K 12938 0 file desc 3 8K 12K 78643K 18 0 proc 47 38K 54K 78643K 324 0 subproc 16 1K 1K 78643K 17 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 2K 78643K 295 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 51 10K 11K 78643K 611 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 6 0K 0K 78643K 6 0 temp 40 3950K 4013K 78643K 1662 0 kqueue 3 4K 4K 78643K 3 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 4 0 0 1 0 1 1 0 8 0 rtpcb 120 17 0 15 1 0 1 1 0 8 0 rtentry 112 34 0 1 1 0 1 1 0 8 0 unpcb 120 23 0 15 1 0 1 1 0 8 0 syncache 296 4 0 4 1 0 1 1 0 8 1 tcpcb 736 10 0 4 1 0 1 1 0 8 0 inpcb 296 28 0 22 1 0 1 1 0 8 0 nd6 48 3 0 0 1 0 1 1 0 8 0 kcovpl 48 1 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 145 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 1412 0 21 87 0 87 87 0 8 0 ffsino 240 1412 0 21 82 0 82 82 0 8 0 nchpl 144 1627 0 36 59 0 59 59 0 8 0 uvmvnodes 72 1438 0 0 27 0 27 27 0 8 0 vnodes 208 1438 0 0 76 0 76 76 0 8 0 namei 1024 3827 0 3827 1 0 1 1 0 8 1 scxspl 216 4650 0 4650 1 0 1 1 0 8 1 plimitpl 152 13 0 7 1 0 1 1 0 8 0 sigapl 424 209 0 182 4 0 4 4 0 8 0 futexpl 56 3 0 3 1 0 1 1 0 8 1 knotepl 112 62 0 50 1 0 1 1 0 8 0 kqueuepl 152 2 0 0 1 0 1 1 0 8 0 pipepl 272 69 0 61 1 0 1 1 0 8 0 fdescpl 432 195 0 182 2 0 2 2 0 8 0 filepl 120 920 0 849 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 144 16 0 7 1 0 1 1 0 8 0 pgrppl 48 16 0 7 1 0 1 1 0 8 0 ucredpl 96 48 0 41 1 0 1 1 0 8 0 zombiepl 144 182 0 182 1 0 1 1 0 8 1 processpl 992 209 0 182 4 0 4 4 0 8 0 procpl 656 215 0 182 3 0 3 3 0 8 0 sockpl 400 68 0 52 2 0 2 2 0 8 0 mcl4k 4096 8 0 8 1 0 1 1 0 8 1 mcl2k 2048 9251 0 9211 9 1 8 9 0 8 2 mtagpl 96 2 0 2 1 1 0 1 0 8 0 mbufpl 256 15521 0 15441 7 1 6 6 0 8 0 bufpl 280 3440 0 169 234 0 234 234 0 8 0 anonpl 16 22747 0 20670 15 1 14 14 0 107 3 amapchunkpl 152 798 0 729 6 1 5 5 0 158 2 amappl16 192 150 0 94 3 0 3 3 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 22 0 18 1 0 1 1 0 8 0 amappl13 168 18 0 16 1 0 1 1 0 8 0 amappl12 160 14 0 11 1 0 1 1 0 8 0 amappl11 152 40 0 31 1 0 1 1 0 8 0 amappl10 144 9 0 5 1 0 1 1 0 8 0 amappl9 136 367 0 367 1 0 1 1 0 8 1 amappl8 128 84 0 68 1 0 1 1 0 8 0 amappl7 120 201 0 196 1 0 1 1 0 8 0 amappl6 112 53 0 45 1 0 1 1 0 8 0 amappl5 104 354 0 339 1 0 1 1 0 8 0 amappl4 96 249 0 223 1 0 1 1 0 8 0 amappl3 88 100 0 92 1 0 1 1 0 8 0 amappl2 80 851 0 794 2 0 2 2 0 8 0 amappl1 72 13392 0 12962 21 3 18 18 0 8 8 amappl 80 418 0 391 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 195 0 182 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 195 0 182 1 0 1 1 0 8 0 vmmpekpl 168 5666 0 5652 1 0 1 1 0 8 0 vmmpepl 168 29768 0 28733 75 2 73 73 0 357 27 vmsppl 272 194 0 182 1 0 1 1 0 8 0 pdppl 4096 396 0 364 44 8 36 36 0 8 4 pvpl 32 108978 0 104137 116 0 116 116 0 265 76 pmappl 200 194 0 182 1 0 1 1 0 8 0 extentpl 40 54 0 37 1 0 1 1 0 8 0 phpool 112 252 0 12 7 0 7 7 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace spllower(ffff80001d954000) at spllower+0x27 single_thread_check_locked(ffff8000ffff8a48,0) at single_thread_check_locked+0x16a userret(ffff8000ffff8a48) at userret+0x2d5 syscall(ffff80001e959e20) at syscall+0x429 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb00e3affc00, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace spllower(ffff80001d954000) at spllower+0x27 single_thread_check_locked(ffff8000ffff8a48,0) at single_thread_check_locked+0x16a userret(ffff8000ffff8a48) at userret+0x2d5 syscall(ffff80001e959e20) at syscall+0x429 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb00e3affc00, count: -5