kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Tue Dec 3 10:44:30 PST 2019 OpenBSD/amd64 (ci-openbsd-main-6.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.83' (ECDSA) to the list of known hosts. 2019/12/03 10:45:58 parsed 1 programs 2019/12/03 10:46:05 executed programs: 0 login: kernel: protection fault trap, code=0 Stopped at pool_do_put+0x12e: movq 0x8(%rbx),%rbx ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace pool_do_put(ffffffff8257aed0,fffffd8038981600) at pool_do_put+0x12e pool_put(ffffffff8257aed0,fffffd8038981600) at pool_put+0x4b m_free(fffffd8038981600) at m_free+0x119 rt_ifa_del(ffff8000006a2700,800100,ffff8000006a2740,0) at rt_ifa_del+0x436 in6_unlink_ifa(ffff8000006a2700,ffff8000009e3800) at in6_unlink_ifa+0x571 in6_update_ifa(ffff8000009e3800,ffff8000149284e0,0) at in6_update_ifa+0x13f7 in6_ioctl_change_ifaddr(8080691a,ffff8000149284e0,ffff8000009e3800) at in6_ioctl_change_ifaddr+0x40c ifioctl(fffffd80363cc788,8080691a,ffff8000149284e0,ffff8000ffff8280) at ifioctl+0xe60 sys_ioctl(ffff8000ffff8280,ffff8000149285f8,ffff800014928640) at sys_ioctl+0x5b9 syscall(ffff8000149286c0) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff1a20, count: -11 ddb> show registers rdi 0 rsi 0x8c1402386799631e rbp 0xffff800014927f30 rbx 0x8c1402386799631e rdx 0xffff800014927e80 rcx 0x1000 __ALIGN_SIZE rax 0xfffffd8038982000 r8 0x4 r9 0x5 r10 0x4b556e79ed9cb625 r11 0x48a87882d376d9ee r12 0xfffffd8038981600 r13 0x8c1402386799631e r14 0xffffffff8257aed0 mbpool r15 0xfffffd8039212248 rip 0xffffffff81739b8e pool_do_put+0x12e cs 0x8 rflags 0x10216 __ALIGN_SIZE+0xf216 rsp 0xffff800014927e80 ss 0x10 pool_do_put+0x12e: movq 0x8(%rbx),%rbx ddb> show proc PROC (syz-executor.0) pid=187469 stat=onproc flags process=0 proc=0 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff8008,0xffffffff82545ea8 process=0xffff8000148b30f8 user=0xffff800014923000, vmspace=0xfffffd803f012220 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND * 480 187469 95645 0 7 0 syz-executor.0 95645 340892 92860 0 3 0x82 nanosleep syz-executor.0 92860 238725 32024 0 3 0x82 thrsleep syz-execprog 92860 155786 32024 0 3 0x4000082 nanosleep syz-execprog 92860 374468 32024 0 3 0x4000082 thrsleep syz-execprog 92860 41916 32024 0 3 0x4000082 thrsleep syz-execprog 92860 1816 32024 0 3 0x4000082 kqread syz-execprog 92860 335954 32024 0 3 0x4000082 thrsleep syz-execprog 92860 503459 32024 0 3 0x4000082 thrsleep syz-execprog 32024 356976 59638 0 3 0x10008a pause ksh 59638 125704 38311 0 3 0x92 select sshd 17978 518856 1 0 3 0x100083 ttyin getty 38311 238232 1 0 3 0x80 select sshd 8617 506269 25266 73 3 0x100090 kqread syslogd 25266 517885 1 0 3 0x100082 netio syslogd 89774 478301 1 77 3 0x100090 poll dhclient 57680 61905 1 0 3 0x80 poll dhclient 46828 19890 0 0 2 0x14200 zerothread 74430 385112 0 0 3 0x14200 aiodoned aiodoned 38635 90601 0 0 3 0x14200 syncer update 87695 323734 0 0 3 0x14200 cleaner cleaner 89108 60328 0 0 3 0x14200 reaper reaper 99542 257333 0 0 3 0x14200 pgdaemon pagedaemon 75681 246241 0 0 3 0x14200 bored crynlk 83838 518202 0 0 3 0x14200 bored crypto 59872 257098 0 0 3 0x40014200 acpi0 acpi0 64275 218461 0 0 3 0x14200 bored softnet 39287 81735 0 0 3 0x14200 bored systqmp 94958 216186 0 0 3 0x14200 bored systq 13814 427899 0 0 3 0x40014200 bored softclock 99830 233926 0 0 3 0x40014200 idle0 348 136690 0 0 3 0x14200 bored smr 1 405845 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 9442 6320K 6320K 78643K 10539 0 pcb 13 8K 8K 78643K 13 0 rtable 83 2K 2K 78643K 155 0 ifaddr 33 9K 9K 78643K 33 0 counters 19 16K 16K 78643K 19 0 ioctlops 0 0K 2K 78643K 14 0 mount 1 1K 1K 78643K 1 0 vnodes 1180 74K 74K 78643K 1185 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 1794 195K 288K 78643K 12646 0 file desc 3 8K 12K 78643K 18 0 proc 47 38K 54K 78643K 318 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 18 79K 79K 78643K 18 0 exec 0 0K 1K 78643K 171 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 78 12K 12K 78643K 860 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 6 0K 0K 78643K 6 0 temp 27 3001K 3065K 78643K 3057 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 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 27 0 19 1 0 1 1 0 8 0 syncache 264 5 0 5 2 1 1 1 0 8 1 tcpcb 544 8 0 5 1 0 1 1 0 8 0 inpcb 280 27 0 20 1 0 1 1 0 8 0 nd6 48 2 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 167 0 0 11 0 11 11 0 8 0 art_table 32 168 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 dino1pl 128 1415 0 19 46 0 46 46 0 8 0 ffsino 240 1415 0 19 83 0 83 83 0 8 0 nchpl 144 1639 0 35 60 0 60 60 0 8 0 uvmvnodes 72 1424 0 0 26 0 26 26 0 8 0 vnodes 208 1424 0 0 75 0 75 75 0 8 0 namei 1024 3862 0 3862 2 1 1 1 0 8 1 scxspl 192 4178 0 4178 10 9 1 7 0 8 1 plimitpl 152 14 0 8 1 0 1 1 0 8 0 sigapl 432 197 0 185 2 0 2 2 0 8 0 knotepl 112 39 0 28 1 0 1 1 0 8 0 kqueuepl 104 2 0 0 1 0 1 1 0 8 0 pipepl 128 134 0 121 2 1 1 1 0 8 0 fdescpl 424 198 0 185 2 0 2 2 0 8 0 filepl 120 997 0 943 2 0 2 2 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 18 0 9 1 0 1 1 0 8 0 pgrppl 48 18 0 9 1 0 1 1 0 8 0 ucredpl 96 47 0 40 1 0 1 1 0 8 0 zombiepl 144 185 0 185 2 1 1 1 0 8 1 processpl 864 212 0 185 4 0 4 4 0 8 0 procpl 632 218 0 185 3 0 3 3 0 8 0 sockpl 384 71 0 54 2 0 2 2 0 8 0 mcl4k 4096 10 0 10 2 1 1 1 0 8 1 mcl2k 2048 5477 0 5446 7 2 5 7 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 9489 0 9414 9 4 5 5 0 8 0 mbufpl: pool(0xffffffff8257aed0:mbufpl): free list modified: page 0xfffffd8038981000; item ordinal 1; addr 0xfffffd8038981700 (p 0xfffffd8039212000); offset 0x0=0x0 pool(mbufpl): free list modified: page 0xfffffd8038981000; item ordinal 1; addr 0xfffffd8038981700 (p 0xfffffd8039212000); offset 0x0=0x0 mbufpl: pool(0xffffffff8257aed0:mbufpl): page inconsistency: page 0xfffffd8038981000; item ordinal 2; addr 0x8c1402386799631e bufpl 280 5845 0 1353 321 0 321 321 0 8 0 anonpl 16 20428 0 18956 15 2 13 13 0 62 6 amapchunkpl 152 725 0 665 5 0 5 5 0 158 2 amappl16 192 69 0 43 2 0 2 2 0 8 0 amappl15 184 51 0 47 1 0 1 1 0 8 0 amappl14 176 28 0 24 2 1 1 1 0 8 0 amappl12 160 7 0 4 2 1 1 1 0 8 0 amappl11 152 45 0 33 1 0 1 1 0 8 0 amappl10 144 11 0 10 2 1 1 1 0 8 0 amappl9 136 401 0 398 1 0 1 1 0 8 0 amappl8 128 90 0 78 1 0 1 1 0 8 0 amappl7 120 86 0 77 1 0 1 1 0 8 0 amappl6 112 55 0 51 1 0 1 1 0 8 0 amappl5 104 118 0 109 1 0 1 1 0 8 0 amappl4 96 427 0 402 1 0 1 1 0 8 0 amappl3 88 122 0 115 1 0 1 1 0 8 0 amappl2 80 850 0 789 4 1 3 3 0 8 1 amappl1 72 13868 0 13464 27 10 17 20 0 8 8 amappl 80 418 0 392 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 24 198 0 185 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 198 0 185 1 0 1 1 0 8 0 vmmpekpl 168 6057 0 6043 1 0 1 1 0 8 0 vmmpepl 168 29563 0 28666 95 17 78 78 0 357 38 vmsppl 272 197 0 185 1 0 1 1 0 8 0 pdppl 4096 402 0 370 5 0 5 5 0 8 0 pvpl 32 104049 0 100292 119 6 113 113 0 265 81 pmappl 200 197 0 185 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 127 0 10 4 0 4 4 0 8 0