kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Fri Nov 29 18:49:30 PST 2019 OpenBSD/amd64 (ci-openbsd-main-9.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.220' (ECDSA) to the list of known hosts. 2019/11/29 18:49:44 parsed 1 programs 2019/11/29 18:49:47 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(ffffffff82581110,fffffd8035c43300) at pool_do_put+0x12e pool_put(ffffffff82581110,fffffd8035c43300) at pool_put+0x4b m_free(fffffd8035c43300) at m_free+0x119 rt_ifa_del(ffff8000006a2500,800100,ffff8000006a2540,0) at rt_ifa_del+0x436 in6_unlink_ifa(ffff8000006a2500,ffff800000a69800) at in6_unlink_ifa+0x571 in6_update_ifa(ffff800000a69800,ffff800014918440,0) at in6_update_ifa+0x13f7 in6_ioctl_change_ifaddr(8080691a,ffff800014918440,ffff800000a69800) at in6_ioctl_change_ifaddr+0x40c ifioctl(fffffd80363c6c08,8080691a,ffff800014918440,ffff8000ffff8008) at ifioctl+0xe60 sys_ioctl(ffff8000ffff8008,ffff800014918558,ffff8000149185a0) at sys_ioctl+0x5b9 syscall(ffff800014918620) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe37a0, count: -11 ddb> show registers rdi 0 rsi 0xa3bdb68bc25b52f7 rbp 0xffff800014917e90 rbx 0xa3bdb68bc25b52f7 rdx 0xffff800014917de0 rcx 0x1000 __ALIGN_SIZE rax 0xfffffd8035c44000 r8 0x4 r9 0x5 r10 0xb6e47e750bb52274 r11 0xb1b32bb2fa3d7240 r12 0xfffffd8035c43300 r13 0xa3bdb68bc25b52f7 r14 0xffffffff82581110 mbpool r15 0xfffffd80366812b8 rip 0xffffffff81dacb4e pool_do_put+0x12e cs 0x8 rflags 0x10216 __ALIGN_SIZE+0xf216 rsp 0xffff800014917de0 ss 0x10 pool_do_put+0x12e: movq 0x8(%rbx),%rbx ddb> show proc PROC (syz-executor.0) pid=97043 stat=onproc flags process=0 proc=0 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff8518,0xffffffff825aae18 process=0xffff8000148a3500 user=0xffff800014913000, vmspace=0xfffffd803f012330 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND *65833 97043 85199 0 7 0 syz-executor.0 85199 33429 50880 0 3 0x82 nanosleep syz-executor.0 50880 233285 7617 0 3 0x82 thrsleep syz-execprog 50880 500329 7617 0 3 0x4000082 nanosleep syz-execprog 50880 127832 7617 0 3 0x4000082 thrsleep syz-execprog 50880 32424 7617 0 3 0x4000082 thrsleep syz-execprog 50880 250163 7617 0 3 0x4000082 kqread syz-execprog 50880 348298 7617 0 3 0x4000082 thrsleep syz-execprog 50880 519171 7617 0 3 0x4000082 thrsleep syz-execprog 7617 118117 5674 0 3 0x10008a pause ksh 5674 194682 46365 0 3 0x92 select sshd 99695 68267 1 0 3 0x100083 ttyin getty 46365 423003 1 0 3 0x80 select sshd 32672 2195 11648 73 3 0x100090 kqread syslogd 11648 299488 1 0 3 0x100082 netio syslogd 31265 8340 1 77 3 0x100090 poll dhclient 17867 314250 1 0 3 0x80 poll dhclient 65593 432771 0 0 2 0x14200 zerothread 62423 383716 0 0 3 0x14200 aiodoned aiodoned 43670 457258 0 0 3 0x14200 syncer update 95656 468947 0 0 3 0x14200 cleaner cleaner 15743 375869 0 0 3 0x14200 reaper reaper 77271 501434 0 0 3 0x14200 pgdaemon pagedaemon 11511 423597 0 0 3 0x14200 bored crynlk 97215 197449 0 0 3 0x14200 bored crypto 57666 291215 0 0 3 0x40014200 acpi0 acpi0 21286 64736 0 0 3 0x14200 bored softnet 48033 96698 0 0 3 0x14200 bored systqmp 66195 438491 0 0 3 0x14200 bored systq 44646 36898 0 0 3 0x40014200 bored softclock 60788 275869 0 0 3 0x40014200 idle0 98445 317254 0 0 3 0x14200 bored smr 1 11604 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 153 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 68 11K 12K 78643K 838 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 3545K 3609K 78643K 3027 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 96 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 280 5 0 5 1 0 1 1 0 8 1 tcpcb 640 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 1412 0 19 45 0 45 45 0 8 0 ffsino 240 1412 0 19 82 0 82 82 0 8 0 nchpl 144 1637 0 35 60 0 60 60 0 8 0 uvmvnodes 72 1421 0 0 26 0 26 26 0 8 0 vnodes 208 1421 0 0 75 0 75 75 0 8 0 namei 1024 3836 0 3836 1 0 1 1 0 8 1 scxspl 208 3978 0 3978 2 1 1 2 0 8 1 plimitpl 152 14 0 8 1 0 1 1 0 8 0 sigapl 432 196 0 184 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 1 0 1 1 0 8 0 fdescpl 424 197 0 184 2 0 2 2 0 8 0 filepl 120 973 0 919 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 128 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 144 184 0 184 1 0 1 1 0 8 1 processpl 896 211 0 184 4 0 4 4 0 8 0 procpl 648 217 0 184 3 0 3 3 0 8 0 sockpl 384 71 0 54 2 0 2 2 0 8 0 mcl4k 4096 10 0 10 1 0 1 1 0 8 1 mcl2k 2048 5473 0 5446 6 1 5 6 0 8 1 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 9443 0 9372 6 1 5 5 0 8 0 mbufpl: pool(0xffffffff82581110:mbufpl): free list modified: page 0xfffffd8035c43000; item ordinal 3; addr 0xfffffd8035c43400 (p 0xfffffd8036681000); offset 0x0=0x0 pool(mbufpl): free list modified: page 0xfffffd8035c43000; item ordinal 3; addr 0xfffffd8035c43400 (p 0xfffffd8036681000); offset 0x0=0x0 mbufpl: pool(0xffffffff82581110:mbufpl): page inconsistency: page 0xfffffd8035c43000; item ordinal 4; addr 0xa3bdb68bc25b52f7 bufpl 280 5785 0 1323 319 0 319 319 0 8 0 anonpl 16 19979 0 18515 15 2 13 13 0 62 6 amapchunkpl 152 720 0 660 5 0 5 5 0 158 2 amappl16 192 118 0 91 2 0 2 2 0 8 0 amappl14 176 48 0 43 1 0 1 1 0 8 0 amappl13 168 3 0 0 1 0 1 1 0 8 0 amappl12 160 8 0 4 1 0 1 1 0 8 0 amappl11 152 44 0 33 1 0 1 1 0 8 0 amappl10 144 14 0 12 1 0 1 1 0 8 0 amappl9 136 399 0 394 1 0 1 1 0 8 0 amappl8 128 109 0 100 1 0 1 1 0 8 0 amappl7 120 29 0 27 1 0 1 1 0 8 0 amappl6 112 59 0 51 1 0 1 1 0 8 0 amappl5 104 137 0 128 1 0 1 1 0 8 0 amappl4 96 423 0 399 1 0 1 1 0 8 0 amappl3 88 116 0 110 1 0 1 1 0 8 0 amappl2 80 836 0 781 3 0 3 3 0 8 1 amappl1 72 13119 0 12722 27 7 20 20 0 8 11 amappl 80 416 0 390 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 24 197 0 184 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 197 0 184 1 0 1 1 0 8 0 vmmpekpl 168 6161 0 6146 1 0 1 1 0 8 0 vmmpepl 168 28723 0 27860 83 7 76 76 0 357 38 vmsppl 272 196 0 184 1 0 1 1 0 8 0 pdppl 4096 400 0 368 5 0 5 5 0 8 0 pvpl 32 103181 0 99410 113 0 113 113 0 265 81 pmappl 200 196 0 184 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 119 0 4 4 0 4 4 0 8 0 ddb>