kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Tue Feb 8 07:18:01 PST 2022 OpenBSD/amd64 (ci-openbsd-main-8.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.153' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program login: kernel: integer divide fault trap, code=0 Stopped at pf_purge+0x1e: divl __kernel_phys_base+0x50f7dc,%eax ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace pf_purge(ffffffff829ef470) at pf_purge+0x1e taskq_thread(ffffffff829612f0) at taskq_thread+0x9b end trace frame: 0x0, count: -2 ddb> show registers rdi 0xffffffff829ef470 pf_npurge rsi 0 rbp 0xffff80002159a070 rbx 0 rdx 0 rcx 0xffffffff829ef470 pf_npurge rax 0 r8 0 r9 0 r10 0x7cce906471fec3c5 r11 0x2962acd8685eb6 r12 0xffff80002159a080 r13 0xffff8000ffffc7d0 r14 0xffffffff829ef470 pf_npurge r15 0xffff80002159a0b0 rip 0xffffffff814e191e pf_purge+0x1e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002159a040 ss 0x10 pf_purge+0x1e: divl __kernel_phys_base+0x50f7dc,%eax ddb> show proc PROC (systq) pid=486080 stat=onproc flags process=14000 proc=200 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffffe540,0xffff8000ffffe2b0 process=0xffff8000ffffc3e8 user=0xffff800021595000, vmspace=0xffffffff82a8bd58 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 87640 512776 38841 0 2 0x482 syz-executor1508 38841 194372 77240 0 3 0x10008a sigsusp ksh 77240 168887 41609 0 3 0x9a kqread sshd 9755 87800 1 0 3 0x100083 ttyin getty 41609 461799 1 0 3 0x88 kqread sshd 55987 370472 30480 73 3 0x100090 kqread syslogd 30480 102493 1 0 3 0x100082 netio syslogd 34264 139278 1 0 3 0x100080 kqread resolvd 99466 97466 1365 77 3 0x100092 kqread dhcpleased 14614 63462 1365 77 3 0x100092 kqread dhcpleased 1365 161371 1 0 3 0x80 kqread dhcpleased 18888 52477 0 0 3 0x14200 bored smr 16972 151089 0 0 3 0x14200 pgzero zerothread 42276 388180 0 0 3 0x14200 aiodoned aiodoned 40906 135911 0 0 3 0x14200 syncer update 29798 148818 0 0 3 0x14200 cleaner cleaner 28202 30188 0 0 3 0x14200 reaper reaper 81867 446175 0 0 3 0x14200 pgdaemon pagedaemon 68682 370391 0 0 3 0x14200 bored viomb 66486 319836 0 0 3 0x40014200 acpi0 acpi0 42179 327995 0 0 3 0x14200 bored softnet 90321 148530 0 0 3 0x14200 bored systqmp *29397 486080 0 0 7 0x14200 systq 84887 244654 0 0 3 0x40014200 bored softclock 50063 502384 0 0 3 0x40014200 idle0 1 364530 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 10133 6381K 6412K 78643K 11223 0 pcb 13 8K 8K 78643K 13 0 rtable 62 2K 2K 78643K 108 0 ifaddr 24 7K 7K 78643K 24 0 counters 19 16K 16K 78643K 19 0 ioctlops 0 0K 2K 78643K 25 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1166 73K 73K 78643K 1179 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 1697 195K 286K 78643K 12548 0 file desc 1 0K 0K 78643K 1 0 proc 55 54K 55K 78643K 226 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 11 0K 0K 78643K 11 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 25 122K 122K 78643K 25 0 exec 0 0K 2K 78643K 391 0 tdb 3 0K 0K 78643K 3 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 71 3K 5K 78643K 1906 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 3 0K 0K 78643K 3 0 temp 19 4678K 4741K 78643K 3198 0 kqueue 11 16K 18K 78643K 24 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 rtpcb 120 17 0 14 1 0 1 1 0 8 0 rtentry 112 23 0 1 1 0 1 1 0 8 0 unpcb 136 33 0 20 1 0 1 1 0 8 0 syncache 296 5 0 5 1 0 1 1 0 8 1 tcpcb 736 8 0 5 1 0 1 1 0 8 0 arp 88 2 0 0 1 0 1 1 0 8 0 inpcb 304 25 0 19 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 96 0 0 6 0 6 6 0 8 0 art_table 32 97 0 0 1 0 1 1 0 8 0 art_node 16 22 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1415 0 38 87 0 87 87 0 8 0 ffsino 240 1415 0 38 81 0 81 81 0 8 0 nchpl 144 1590 0 47 58 0 58 58 0 8 0 uvmvnodes 80 1424 0 0 30 0 30 30 0 8 0 vnodes 224 1424 0 0 84 0 84 84 0 8 0 namei 1024 4231 0 4231 1 0 1 1 0 8 1 scxspl 216 3606 0 3606 3 1 2 2 0 8 2 plimitpl 152 15 0 9 1 0 1 1 0 8 0 sigapl 424 341 0 315 4 0 4 4 0 8 0 knotepl 120 6914 0 6884 2 0 2 2 0 8 1 kqueuepl 184 20 0 13 1 0 1 1 0 8 0 pipepl 304 79 0 76 1 0 1 1 0 8 0 fdescpl 432 328 0 315 2 0 2 2 0 8 0 filepl 120 1110 0 1057 2 0 2 2 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 17 0 9 1 0 1 1 0 8 0 pgrppl 48 17 0 9 1 0 1 1 0 8 0 ucredpl 96 64 0 54 1 0 1 1 0 8 0 zombiepl 144 315 0 314 1 0 1 1 0 8 0 processpl 1000 341 0 314 4 0 4 4 0 8 0 procpl 672 341 0 314 3 0 3 3 0 8 0 sockpl 448 75 0 53 3 0 3 3 0 8 0 mcl8k 8192 9 0 9 1 0 1 1 0 8 1 mcl4k 4096 5 0 5 1 0 1 1 0 8 1 mcl2k 2048 5661 0 5633 6 0 6 6 0 8 2 mtagpl 96 3 0 3 1 1 0 1 0 8 0 mbufpl 256 10466 0 10400 6 0 6 6 0 8 1 bufpl 288 1935 0 86 133 0 133 133 0 8 0 anonpl 24 38749 0 36701 15 1 14 15 0 188 1 amapchunkpl 152 3715 0 3590 7 1 6 7 0 158 0 amappl16 200 76 0 76 1 0 1 1 0 8 1 amappl15 192 59 0 56 1 0 1 1 0 8 0 amappl13 176 32 0 31 1 0 1 1 0 8 0 amappl12 168 15 0 15 1 0 1 1 0 8 1 amappl11 160 41 0 29 1 0 1 1 0 8 0 amappl10 152 5 0 5 1 0 1 1 0 8 1 amappl9 144 434 0 432 1 0 1 1 0 8 0 amappl8 136 340 0 337 1 0 1 1 0 8 0 amappl7 128 60 0 57 1 0 1 1 0 8 0 amappl6 120 106 0 93 1 0 1 1 0 8 0 amappl5 112 243 0 234 1 0 1 1 0 8 0 amappl4 104 579 0 559 1 0 1 1 0 8 0 amappl3 96 110 0 101 1 0 1 1 0 8 0 amappl2 88 337 0 301 1 0 1 1 0 8 0 amappl1 80 8226 0 7873 9 0 9 9 0 8 1 amappl 88 1653 0 1597 2 0 2 2 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 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 72 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 328 0 315 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 328 0 315 1 0 1 1 0 8 0 vmmpekpl 168 5976 0 5960 1 0 1 1 0 8 0 vmmpepl 168 25277 0 24514 38 0 38 38 0 357 1 vmsppl 272 327 0 315 2 1 1 2 0 8 0 rwobjpl 24 8931 0 6997 12 0 12 12 0 8 0 pdppl 4096 662 0 630 46 12 34 40 0 8 2 pvpl 32 124798 0 121012 35 0 35 35 0 265 3 pmappl 216 327 0 315 1 0 1 1 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 381 0 15 11 0 11 11 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace pf_purge(ffffffff829ef470) at pf_purge+0x1e taskq_thread(ffffffff829612f0) at taskq_thread+0x9b end trace frame: 0x0, count: -2 ddb> machine ddbcpu 1 No such command ddb> trace pf_purge(ffffffff829ef470) at pf_purge+0x1e taskq_thread(ffffffff829612f0) at taskq_thread+0x9b end trace frame: 0x0, count: -2 ddb>