kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Fri Jul 3 18:19:58 PDT 2020 OpenBSD/amd64 (ci-openbsd-main-3.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.64' (ECDSA) to the list of known hosts. 2020/07/03 18:20:18 parsed 1 programs 2020/07/03 18:20:22 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(ffffffff82844fb8,fffffd805bd93300) at pool_do_put+0x12e pool_put(ffffffff82844fb8,fffffd805bd93300) at pool_put+0x4b m_free(fffffd805bd93300) at m_free+0x119 rt_ifa_del(ffff8000006b5400,800100,ffff8000006b5440,0) at rt_ifa_del+0x402 in6_unlink_ifa(ffff8000006b5400,ffff800000ac3800) at in6_unlink_ifa+0x571 in6_update_ifa(ffff800000ac3800,ffff80001d77a440,0) at in6_update_ifa+0x13e7 in6_ioctl_change_ifaddr(8080691a,ffff80001d77a440,ffff800000ac3800) at in6_ioctl_change_ifaddr+0x40c ifioctl(fffffd805da7dc88,8080691a,ffff80001d77a440,ffff80001d6a9758) at ifioctl+0xe60 sys_ioctl(ffff80001d6a9758,ffff80001d77a558,ffff80001d77a5a0) at sys_ioctl+0x4a1 syscall(ffff80001d77a620) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe2be0, count: -11 ddb> show registers rdi 0 rsi 0x3e9d30bcf65fa68c rbp 0xffff80001d779e90 rbx 0x3e9d30bcf65fa68c rdx 0xffff80001d779de0 rcx 0x1000 __ALIGN_SIZE rax 0x1 r8 0x4 r9 0x5 r10 0x4ed9b439a9a4f4aa r11 0x57e740278d09bf8e r12 0xfffffd805bd93300 r13 0x3e9d30bcf65fa68c r14 0xffffffff82844fb8 mbpool r15 0xfffffd8060816e98 rip 0xffffffff81c51d4e pool_do_put+0x12e cs 0x8 rflags 0x10296 __ALIGN_SIZE+0xf296 rsp 0xffff80001d779de0 ss 0x10 pool_do_put+0x12e: movq 0x8(%rbx),%rbx ddb> show proc PROC (syz-executor.0) pid=114242 stat=onproc flags process=0 proc=0 pri=51, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff80001d6a9c38,0xffffffff8284e5f8 process=0xffff8000ffffb5a0 user=0xffff80001d775000, vmspace=0xfffffd806bc0a220 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND *50675 114242 15456 0 7 0 syz-executor.0 15456 135111 45761 0 3 0x82 nanosleep syz-executor.0 45761 272665 7686 0 3 0x82 thrsleep syz-execprog 45761 226015 7686 0 3 0x4000082 nanosleep syz-execprog 45761 245329 7686 0 3 0x4000082 thrsleep syz-execprog 45761 301859 7686 0 3 0x4000082 thrsleep syz-execprog 45761 266971 7686 0 3 0x4000082 kqread syz-execprog 45761 359807 7686 0 3 0x4000082 thrsleep syz-execprog 45761 212930 7686 0 3 0x4000082 thrsleep syz-execprog 45761 41410 7686 0 3 0x4000082 thrsleep syz-execprog 7686 192145 58461 0 3 0x10008a pause ksh 58461 246911 31327 0 3 0x92 select sshd 47314 424241 1 0 3 0x100083 ttyin getty 31327 52895 1 0 3 0x80 select sshd 98401 369904 87627 73 3 0x100090 kqread syslogd 87627 459693 1 0 3 0x100082 netio syslogd 61251 401848 1 77 3 0x100090 poll dhclient 57082 254021 1 0 3 0x80 poll dhclient 80126 295029 0 0 3 0x14200 bored smr 59329 46687 0 0 2 0x14200 zerothread 76093 194205 0 0 3 0x14200 aiodoned aiodoned 34794 475819 0 0 3 0x14200 syncer update 83774 468511 0 0 3 0x14200 cleaner cleaner 42811 163783 0 0 3 0x14200 reaper reaper 37528 71416 0 0 3 0x14200 pgdaemon pagedaemon 4772 174946 0 0 3 0x14200 bored crynlk 43775 446393 0 0 3 0x14200 bored crypto 24910 399736 0 0 3 0x40014200 acpi0 acpi0 11852 127947 0 0 3 0x14200 bored softnet 55062 454014 0 0 3 0x14200 bored systqmp 64771 388143 0 0 3 0x14200 bored systq 98902 168948 0 0 3 0x40014200 bored softclock 7010 467574 0 0 3 0x40014200 idle0 1 274635 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 9444 6321K 6321K 78643K 10543 0 pcb 13 8K 8K 78643K 13 0 rtable 83 2K 2K 78643K 153 0 ifaddr 33 9K 9K 78643K 33 0 counters 20 16K 16K 78643K 20 0 ioctlops 0 0K 2K 78643K 14 0 mount 1 1K 1K 78643K 1 0 vnodes 1182 74K 74K 78643K 1187 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 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 19 95K 95K 78643K 19 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 835 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 23 3845K 3909K 78643K 1623 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 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 1 0 1 1 0 8 1 tcpcb 544 8 0 5 1 0 1 1 0 8 0 inpcb 296 27 0 20 1 0 1 1 0 8 0 nd6 48 3 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 144 0 0 9 0 9 9 0 8 0 art_table 32 145 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 1415 0 21 88 0 88 88 0 8 0 ffsino 240 1415 0 21 82 0 82 82 0 8 0 nchpl 144 1634 0 36 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 3939 0 3939 1 0 1 1 0 8 1 scxspl 192 4215 0 4215 1 0 1 1 0 8 1 plimitpl 152 14 0 8 1 0 1 1 0 8 0 sigapl 424 212 0 185 4 0 4 4 0 8 0 knotepl 112 47 0 36 1 0 1 1 0 8 0 kqueuepl 144 2 0 0 1 0 1 1 0 8 0 pipepl 272 70 0 63 1 0 1 1 0 8 0 fdescpl 432 198 0 185 2 0 2 2 0 8 0 filepl 120 979 0 925 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 57 0 50 1 0 1 1 0 8 0 zombiepl 144 185 0 185 1 0 1 1 0 8 1 processpl 920 212 0 185 4 0 4 4 0 8 0 procpl 624 219 0 185 3 0 3 3 0 8 0 sockpl 400 71 0 54 2 0 2 2 0 8 0 mcl4k 4096 10 0 10 1 0 1 1 0 8 1 mcl2k 2048 5546 0 5516 7 2 5 7 0 8 0 mtagpl 96 2 0 2 1 1 0 1 0 8 0 mbufpl 256 9635 0 9561 6 1 5 5 0 8 0 mbufpl: pool(0xffffffff82844fb8:mbufpl): free list modified: page 0xfffffd805bd93000; item ordinal 1; addr 0xfffffd805bd93400 (p 0xfffffd8060816000); offset 0x0=0x0 pool(mbufpl): free list modified: page 0xfffffd805bd93000; item ordinal 1; addr 0xfffffd805bd93400 (p 0xfffffd8060816000); offset 0x0=0x0 mbufpl: pool(0xffffffff82844fb8:mbufpl): page inconsistency: page 0xfffffd805bd93000; item ordinal 2; addr 0x3e9d30bcf65fa68c bufpl 280 2960 0 126 203 0 203 203 0 8 0 anonpl 16 20444 0 18936 14 2 12 12 0 107 4 amapchunkpl 152 759 0 698 4 0 4 4 0 158 1 amappl16 192 125 0 95 2 0 2 2 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 30 0 25 1 0 1 1 0 8 0 amappl13 168 22 0 18 2 1 1 1 0 8 0 amappl12 160 8 0 7 2 1 1 1 0 8 0 amappl11 152 42 0 33 1 0 1 1 0 8 0 amappl10 144 22 0 16 1 0 1 1 0 8 0 amappl9 136 214 0 213 1 0 1 1 0 8 0 amappl8 128 238 0 230 1 0 1 1 0 8 0 amappl7 120 102 0 91 1 0 1 1 0 8 0 amappl6 112 22 0 21 2 1 1 1 0 8 0 amappl5 104 156 0 147 1 0 1 1 0 8 0 amappl4 96 429 0 404 1 0 1 1 0 8 0 amappl3 88 106 0 101 1 0 1 1 0 8 0 amappl2 80 805 0 751 3 1 2 2 0 8 0 amappl1 72 13498 0 13100 24 7 17 17 0 8 8 amappl 80 420 0 394 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 6125 0 6105 1 0 1 1 0 8 0 vmmpepl 168 28868 0 28003 80 12 68 68 0 357 30 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 104855 0 101061 102 0 102 102 0 265 70 pmappl 200 197 0 185 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 213 0 5 6 0 6 6 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace pool_do_put(ffffffff82844fb8,fffffd805bd93300) at pool_do_put+0x12e pool_put(ffffffff82844fb8,fffffd805bd93300) at pool_put+0x4b m_free(fffffd805bd93300) at m_free+0x119 rt_ifa_del(ffff8000006b5400,800100,ffff8000006b5440,0) at rt_ifa_del+0x402 in6_unlink_ifa(ffff8000006b5400,ffff800000ac3800) at in6_unlink_ifa+0x571 in6_update_ifa(ffff800000ac3800,ffff80001d77a440,0) at in6_update_ifa+0x13e7 in6_ioctl_change_ifaddr(8080691a,ffff80001d77a440,ffff800000ac3800) at in6_ioctl_change_ifaddr+0x40c ifioctl(fffffd805da7dc88,8080691a,ffff80001d77a440,ffff80001d6a9758) at ifioctl+0xe60 sys_ioctl(ffff80001d6a9758,ffff80001d77a558,ffff80001d77a5a0) at sys_ioctl+0x4a1 syscall(ffff80001d77a620) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe2be0, count: -11 ddb> machine ddbcpu 1 No such command ddb> trace pool_do_put(ffffffff82844fb8,fffffd805bd93300) at pool_do_put+0x12e pool_put(ffffffff82844fb8,fffffd805bd93300) at pool_put+0x4b m_free(fffffd805bd93300) at m_free+0x119 rt_ifa_del(ffff8000006b5400,800100,ffff8000006b5440,0) at rt_ifa_del+0x402 in6_unlink_ifa(ffff8000006b5400,ffff800000ac3800) at in6_unlink_ifa+0x571 in6_update_ifa(ffff800000ac3800,ffff80001d77a440,0) at in6_update_ifa+0x13e7 in6_ioctl_change_ifaddr(8080691a,ffff80001d77a440,ffff800000ac3800) at in6_ioctl_change_ifaddr+0x40c ifioctl(fffffd805da7dc88,8080691a,ffff80001d77a440,ffff80001d6a9758) at ifioctl+0xe60 sys_ioctl(ffff80001d6a9758,ffff80001d77a558,ffff80001d77a5a0) at sys_ioctl+0x4a1 syscall(ffff80001d77a620) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe2be0, count: -11 ddb>