kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Wed Dec 2 15:48:36 PST 2020 OpenBSD/amd64 (ci-openbsd-main-test-1.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.9' (ECDSA) to the list of known hosts. 2020/12/02 15:48:47 fuzzer started 2020/12/02 15:48:49 connecting to host at 10.128.15.235:8440 2020/12/02 15:48:49 checking machine... 2020/12/02 15:48:49 checking revisions... 2020/12/02 15:48:49 testing simple program... login: uvm_fault(0xfffffd806bc02110, 0x6f0bb5b0, 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(0xfffffd806bc02110, 0x6f0bb5b0, 0, 1) -> e spllower(ffff80001d946000) at spllower+0x27 end trace frame: 0xffff80001e94bdc0, count: 0 ddb> trace spllower(ffff80001d946000) at spllower+0x27 single_thread_check_locked(ffff8000ffff87b8,0) at single_thread_check_locked+0x16a userret(ffff8000ffff87b8) at userret+0x2d5 syscall(ffff80001e94bef0) at syscall+0x429 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc33dc5e8b40, count: -5 ddb> show registers rdi 0xffff80001d946000 rsi 0x416 rbp 0xffff80001e94bd60 rbx 0x1000 __ALIGN_SIZE rdx 0xffff80001d946000 rcx 0x415 rax 0x1d946000 r8 0xffffffff817299e6 setrunnable+0x76 r9 0x5 r10 0x2980befc501015e3 r11 0x37c53c335687c6c r12 0xffff80001d8a1478 r13 0x1 r14 0xffff80001d8a1370 r15 0x1d946000 rip 0xffffffff81eb6267 spllower+0x27 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001e94bd20 ss 0x10 spllower+0x27: movq cpu_info_full_primary+0x25b0(,%rax,8),%r13 ddb> show proc PROC (syz-executor.0) pid=265237 stat=onproc flags process=1000 proc=4080000 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff8298,0xffffffff827ed7d0 process=0xffff80001d8a1370 user=0xffff80001e946000, vmspace=0xfffffd806bc02110 estcpu=9, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 54206 262733 68053 0 2 0x3000 syz-executor.0 *54206 265237 68053 0 7 0x4081000 syz-executor.0 68053 466023 38214 0 3 0x82 nanosleep syz-executor.0 38214 267169 40528 0 3 0x82 thrsleep syz-fuzzer 38214 193379 40528 0 3 0x4000082 thrsleep syz-fuzzer 38214 6957 40528 0 3 0x4000082 thrsleep syz-fuzzer 38214 97314 40528 0 3 0x4000082 kqread syz-fuzzer 38214 48853 40528 0 3 0x4000082 thrsleep syz-fuzzer 38214 308043 40528 0 3 0x4000082 thrsleep syz-fuzzer 40528 388125 40612 0 3 0x10008a pause ksh 40612 223892 7337 0 3 0x92 select sshd 43829 360381 1 0 3 0x100083 ttyin getty 7337 382750 1 0 3 0x80 select sshd 44252 171958 34524 73 3 0x100090 kqread syslogd 34524 217035 1 0 3 0x100082 netio syslogd 20272 509581 1 77 3 0x100090 poll dhclient 9031 310115 1 0 3 0x80 poll dhclient 98591 329325 0 0 3 0x14200 bored smr 26899 300830 0 0 2 0x14200 zerothread 35772 101693 0 0 3 0x14200 aiodoned aiodoned 60547 33966 0 0 3 0x14200 syncer update 41128 81403 0 0 3 0x14200 cleaner cleaner 52916 288312 0 0 3 0x14200 reaper reaper 82864 375615 0 0 3 0x14200 pgdaemon pagedaemon 9830 479705 0 0 3 0x14200 bored crynlk 67268 125832 0 0 3 0x14200 bored crypto 42220 25264 0 0 3 0x40014200 acpi0 acpi0 88812 453438 0 0 3 0x14200 bored softnet 94826 463826 0 0 3 0x14200 bored systqmp 17170 500402 0 0 3 0x14200 bored systq 88522 315568 0 0 3 0x40014200 bored softclock 18681 318350 0 0 3 0x40014200 idle0 1 278716 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 52 10K 11K 78643K 617 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 1664 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 256 143 0 0 9 0 9 9 0 8 0 art_table 32 144 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 4705 0 4705 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 2 0 2 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 9247 0 9215 7 1 6 7 0 8 1 mtagpl 96 2 0 2 1 1 0 1 0 8 0 mbufpl 256 15497 0 15425 6 1 5 5 0 8 0 bufpl 280 3440 0 169 234 0 234 234 0 8 0 anonpl 16 22948 0 20879 15 1 14 14 0 107 3 amapchunkpl 152 732 0 663 5 0 5 5 0 158 2 amappl16 192 171 0 114 4 0 4 4 0 8 0 amappl15 184 2 0 0 1 0 1 1 0 8 0 amappl14 176 21 0 18 1 0 1 1 0 8 0 amappl13 168 21 0 17 1 0 1 1 0 8 0 amappl12 160 10 0 9 1 0 1 1 0 8 0 amappl11 152 39 0 30 1 0 1 1 0 8 0 amappl10 144 6 0 3 1 0 1 1 0 8 0 amappl9 136 373 0 373 1 0 1 1 0 8 1 amappl8 128 81 0 67 1 0 1 1 0 8 0 amappl7 120 201 0 196 1 0 1 1 0 8 0 amappl6 112 54 0 46 1 0 1 1 0 8 0 amappl5 104 341 0 326 1 0 1 1 0 8 0 amappl4 96 241 0 217 1 0 1 1 0 8 0 amappl3 88 99 0 92 1 0 1 1 0 8 0 amappl2 80 856 0 798 2 0 2 2 0 8 0 amappl1 72 13209 0 12780 24 6 18 18 0 8 8 amappl 80 422 0 395 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 5648 0 5630 1 0 1 1 0 8 0 vmmpepl 168 29750 0 28717 78 5 73 73 0 357 28 vmsppl 272 194 0 182 1 0 1 1 0 8 0 pdppl 4096 396 0 364 46 10 36 36 0 8 4 pvpl 32 109189 0 104348 116 0 116 116 0 265 75 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 112 250 0 14 7 0 7 7 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace spllower(ffff80001d946000) at spllower+0x27 single_thread_check_locked(ffff8000ffff87b8,0) at single_thread_check_locked+0x16a userret(ffff8000ffff87b8) at userret+0x2d5 syscall(ffff80001e94bef0) at syscall+0x429 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc33dc5e8b40, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace spllower(ffff80001d946000) at spllower+0x27 single_thread_check_locked(ffff8000ffff87b8,0) at single_thread_check_locked+0x16a userret(ffff8000ffff87b8) at userret+0x2d5 syscall(ffff80001e94bef0) at syscall+0x429 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc33dc5e8b40, count: -5