kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Wed Apr 3 14:44:26 PDT 2019 OpenBSD/amd64 (ci-openbsd-main-4.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.4' (ECDSA) to the list of known hosts. 2019/04/03 14:57:38 parsed 1 programs 2019/04/03 14:57:46 executed programs: 0 2019/04/03 14:57:51 executed programs: 239 2019/04/03 14:57:56 executed programs: 447 2019/04/03 14:58:01 executed programs: 672 2019/04/03 14:58:06 executed programs: 838 2019/04/03 14:58:11 executed programs: 1043 2019/04/03 14:58:16 executed programs: 1300 2019/04/03 14:58:21 executed programs: 1522 2019/04/03 14:58:26 executed programs: 1788 2019/04/03 14:58:31 executed programs: 2032 2019/04/03 14:58:36 executed programs: 2237 login: panic: timeout_add: to_ticks (-2147483648) < 0 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *145933 85492 0 0 0 0 syz-executor.1 db_enter() at db_enter+0x18 panic() at panic+0x15c timeout_add(ffff8000ffff8300,80000000) at timeout_add+0x179 msleep(ffff800000940b00,ffff800000940b08,11a,ffffffff81f56d13,80000000) at msleep+0x18e bpfread(21700,ffff8000149dff20,0) at bpfread+0x1ef spec_read(ffff8000149dfd60) at spec_read+0xf5 VOP_READ(fffffd8031b3ad38,ffff8000149dff20,0,fffffd803f7c6ae0) at VOP_READ+0x6f vn_read(fffffd80361b0e90,ffff8000149dff20,0) at vn_read+0x1c3 dofilereadv(ffff8000ffff8260,3,ffff8000149dff20,0,ffff8000149e0000) at dofilereadv+0x19f sys_read(ffff8000ffff8260,ffff8000149e0018,ffff8000149e0000) at sys_read+0x92 syscall(ffff8000149e00b0) at syscall+0x541 Xsyscall(6,0,ffffffffffffffb9,0,3,98accb1c010) at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff1f80, count: 3 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic timeout_add: to_ticks (-2147483648) < 0 ddb> trace db_enter() at db_enter+0x18 panic() at panic+0x15c timeout_add(ffff8000ffff8300,80000000) at timeout_add+0x179 msleep(ffff800000940b00,ffff800000940b08,11a,ffffffff81f56d13,80000000) at msleep+0x18e bpfread(21700,ffff8000149dff20,0) at bpfread+0x1ef spec_read(ffff8000149dfd60) at spec_read+0xf5 VOP_READ(fffffd8031b3ad38,ffff8000149dff20,0,fffffd803f7c6ae0) at VOP_READ+0x6f vn_read(fffffd80361b0e90,ffff8000149dff20,0) at vn_read+0x1c3 dofilereadv(ffff8000ffff8260,3,ffff8000149dff20,0,ffff8000149e0000) at dofilereadv+0x19f sys_read(ffff8000ffff8260,ffff8000149e0018,ffff8000149e0000) at sys_read+0x92 syscall(ffff8000149e00b0) at syscall+0x541 Xsyscall(6,0,ffffffffffffffb9,0,3,98accb1c010) at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff1f80, count: -12 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff8000149dfa80 rbx 0xffff8000149dfb30 rdx 0x2 rcx 0x1 rax 0x1 r8 0xffff8000149dfa40 r9 0x1 r10 0xe17dd9b1ff2d04bb r11 0xe21b6eaf071c85f9 r12 0x3000000008 r13 0xffff8000149dfa90 r14 0x100 r15 0x1 rip 0xffffffff8185e038 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000149dfa70 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (syz-executor.1) pid=145933 stat=onproc flags process=0 proc=0 pri=26, usrpri=53, nice=20 forw=0x0, list=0xffff8000ffff84b8,0xffffffff822982a8 process=0xffff8000ffff6d30 user=0xffff8000149db000, vmspace=0xfffffd803f013c60 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND *85492 145933 15563 0 7 0 bpf syz-executor.1 15563 458508 80156 0 3 0x82 nanosleep syz-executor.1 21062 201854 80156 0 3 0x2 biowait syz-executor.0 80156 230417 46311 0 3 0x82 thrsleep syz-execprog 80156 328908 46311 0 3 0x4000082 thrsleep syz-execprog 80156 392416 46311 0 3 0x4000082 thrsleep syz-execprog 80156 405694 46311 0 3 0x4000082 thrsleep syz-execprog 80156 305530 46311 0 3 0x4000082 thrsleep syz-execprog 80156 165061 46311 0 3 0x4000082 kqread syz-execprog 80156 105356 46311 0 3 0x4000082 thrsleep syz-execprog 80156 419536 46311 0 3 0x4000082 thrsleep syz-execprog 46311 369584 66265 0 3 0x10008a pause ksh 66265 408455 93462 0 3 0x92 select sshd 24555 97858 1 0 3 0x100083 ttyin getty 93462 481832 1 0 3 0x80 select sshd 67846 455383 62699 73 3 0x100090 kqread syslogd 62699 83077 1 0 3 0x100082 netio syslogd 44111 476025 1 77 3 0x100090 poll dhclient 434 218836 1 0 3 0x80 poll dhclient 83628 486273 0 0 2 0x14200 zerothread 39995 333958 0 0 3 0x14200 aiodoned aiodoned 37215 238266 0 0 3 0x14200 syncer update 14694 324095 0 0 3 0x14200 cleaner cleaner 15553 332569 0 0 3 0x14200 reaper reaper 42732 48446 0 0 3 0x14200 pgdaemon pagedaemon 27387 152028 0 0 3 0x14200 bored crynlk 94543 10269 0 0 3 0x14200 bored crypto 54302 128649 0 0 3 0x40014200 acpi0 acpi0 60006 65913 0 0 3 0x14200 bored softnet 10367 510878 0 0 3 0x14200 bored systqmp 69467 105511 0 0 3 0x14200 bored systq 77501 108010 0 0 3 0x40014200 bored softclock 28341 402132 0 0 3 0x40014200 idle0 63295 257841 0 0 3 0x14200 bored smr 1 92372 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 Kern Lim devbuf 9439 6375K 6375K 78643K 17897 0 0 pcb 23 9K 9K 78643K 55 0 0 rtable 97 2K 2K 78643K 167 0 0 ifaddr 34 9K 9K 78643K 34 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 15 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1167 73K 73K 78643K 3627 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 0K 0K 78643K 2 0 0 sem 2 0K 0K 78643K 2 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 2474 0 0 proc 40 30K 54K 78643K 247 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 in_multi 33 2K 2K 78643K 33 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 168 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 63 19K 20K 78643K 3251 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 9 0 0 temp 46 2342K 2406K 78643K 10209 0 0 SYN cache 2 16K 16K 78643K 2 0 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 inpcbpl 280 26 0 20 1 0 1 1 0 8 0 plimitpl 152 15 0 8 1 0 1 1 0 8 0 rtentry 112 41 0 1 2 0 2 2 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 nd6 48 4 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 184 0 0 12 0 12 12 0 8 0 art_table 32 185 0 0 2 0 2 2 0 8 0 art_node 16 40 0 6 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 3885 0 2475 46 0 46 46 0 8 0 ffsino 240 3885 0 2475 83 0 83 83 0 8 0 nchpl 144 6568 0 4946 61 0 61 61 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 200 5926 0 0 312 0 312 312 0 8 0 namei 1024 16214 0 16213 3 2 1 1 0 8 0 scxspl 192 18550 0 18549 33 32 1 6 0 8 0 sigapl 432 2648 0 2635 2 0 2 2 0 8 0 knotepl 112 45 0 28 1 0 1 1 0 8 0 kqueuepl 104 2 0 0 1 0 1 1 0 8 0 pipepl 112 142 0 123 3 2 1 1 0 8 0 fdescpl 424 2649 0 2635 2 0 2 2 0 8 0 filepl 120 5848 0 5786 2 0 2 2 0 8 0 lockfpl 104 6 0 6 1 1 0 1 0 8 0 lockfspl 32 3 0 3 1 1 0 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 47 0 40 1 0 1 1 0 8 0 zombiepl 144 2635 0 2635 3 2 1 1 0 8 1 processpl 840 2663 0 2635 4 0 4 4 0 8 0 procpl 600 2670 0 2635 3 0 3 3 0 8 0 sockpl 384 68 0 52 2 0 2 2 0 8 0 mcl4k 4096 10 0 10 2 2 0 1 0 8 0 mcl2k 2048 5659 0 5635 5 1 4 5 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 10178 0 10091 9 3 6 6 0 8 0 bufpl 256 7703 0 3603 257 0 257 257 0 8 0 anonpl 16 82431 0 80041 15 5 10 12 0 62 0 amapchunkpl 152 3144 0 3084 4 1 3 4 0 158 0 amappl16 192 8811 0 8721 5 0 5 5 0 8 0 amappl15 184 50 0 46 1 0 1 1 0 8 0 amappl14 176 1251 0 1247 3 2 1 1 0 8 0 amappl13 168 2496 0 2488 1 0 1 1 0 8 0 amappl12 160 7 0 6 1 0 1 1 0 8 0 amappl11 152 16 0 5 1 0 1 1 0 8 0 amappl10 144 56 0 56 3 3 0 1 0 8 0 amappl9 136 188 0 185 1 0 1 1 0 8 0 amappl8 128 118 0 106 1 0 1 1 0 8 0 amappl7 120 24 0 22 1 0 1 1 0 8 0 amappl6 112 56 0 50 1 0 1 1 0 8 0 amappl5 104 520 0 510 1 0 1 1 0 8 0 amappl4 96 2849 0 2823 2 1 1 2 0 8 0 amappl3 88 1352 0 1345 1 0 1 1 0 8 0 amappl2 80 6769 0 6725 2 1 1 2 0 8 0 amappl1 72 32214 0 31818 24 15 9 19 0 8 0 amappl 72 2885 0 2857 1 0 1 1 0 75 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 dma64 64 259 0 259 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 2649 0 2635 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2649 0 2635 1 0 1 1 0 8 0 vmmpekpl 168 11012 0 10995 1 0 1 1 0 8 0 vmmpepl 168 120148 0 119236 93 53 40 71 0 357 0 vmsppl 264 2648 0 2635 2 1 1 2 0 8 0 pdppl 4096 5304 0 5270 6 1 5 6 0 8 0 pvpl 32 350319 0 345375 109 61 48 99 0 265 8 pmappl 200 2648 0 2635 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 384 0 11 11 0 11 11 0 8 0