kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Wed Apr 15 17:16:51 PDT 2020 OpenBSD/amd64 (ci-openbsd-main-1.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.156' (ECDSA) to the list of known hosts. executing program login: kernel: double fault trap, code=0 Stopped at pool_get+0x26: callq __sanitizer_cov_trace_pc+0x4 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace pool_get(ffffffff8259ed90,2) at pool_get+0x26 m_copym(fffffd806bc22c00,0,3b9aca00,2) at m_copym+0x174 ether_resolve(ffff80000017a2a8,fffffd806bc22c00,fffffd805e561080,fffffd805e542310,ffff80001d7c11e8) at ether_resolve+0x49f ether_output(ffff80000017a2a8,fffffd806bc22c00,fffffd805e561080,fffffd805e542310) at ether_output+0x47 ip_output(fffffd806bc22c00,fffffd805e4faa00,fffffd805e561070,0,0,fffffd805e561000) at ip_output+0x10d4 udp_output(fffffd805e561000,fffffd806bc22c00,0,0) at udp_output+0x58b somove(fffffd805dafb7d8,2) at somove+0xf61 sorwakeup(fffffd805dafb7d8) at sorwakeup+0x79 udp_sbappend(fffffd805e561000,fffffd806bc22c00,fffffd806bc22ce0,0,18,fffffd806bc22cf8) at udp_sbappend+0x366 udp_input(ffff80001d7c1868,ffff80001d7c1874,11,2) at udp_input+0x10d8 ip_deliver(ffff80001d7c1868,ffff80001d7c1874,11,2) at ip_deliver+0x2e3 ip_ours(ffff80001d7c1868,ffff80001d7c1874,2,0) at ip_ours+0x4fe ip_input_if(ffff80001d7c1868,ffff80001d7c1874,4,0,ffff80000017a2a8) at ip_input_if+0x571 ipv4_input(ffff80000017a2a8,fffffd806bc22c00) at ipv4_input+0x48 if_input_local(ffff80000017a2a8,fffffd806bc22c00,2) at if_input_local+0xf9 ether_resolve(ffff80000017a2a8,fffffd806bc22a00,fffffd805e561080,fffffd805e542310,ffff80001d7c19b8) at ether_resolve+0x4c2 ether_output(ffff80000017a2a8,fffffd806bc22a00,fffffd805e561080,fffffd805e542310) at ether_output+0x47 ip_output(fffffd806bc22a00,fffffd805e4faa00,fffffd805e561070,0,0,fffffd805e561000) at ip_output+0x10d4 udp_output(fffffd805e561000,fffffd806bc22a00,0,0) at udp_output+0x58b somove(fffffd805dafb7d8,2) at somove+0xf61 sorwakeup(fffffd805dafb7d8) at sorwakeup+0x79 udp_sbappend(fffffd805e561000,fffffd806bc22a00,fffffd806bc22ae0,0,18,fffffd806bc22af8) at udp_sbappend+0x366 udp_input(ffff80001d7c2038,ffff80001d7c2044,11,2) at udp_input+0x10d8 ip_deliver(ffff80001d7c2038,ffff80001d7c2044,11,2) at ip_deliver+0x2e3 ip_ours(ffff80001d7c2038,ffff80001d7c2044,2,0) at ip_ours+0x4fe ip_input_if(ffff80001d7c2038,ffff80001d7c2044,4,0,ffff80000017a2a8) at ip_input_if+0x571 ipv4_input(ffff80000017a2a8,fffffd806bc22a00) at ipv4_input+0x48 if_input_local(ffff80000017a2a8,fffffd806bc22a00,2) at if_input_local+0xf9 ether_resolve(ffff80000017a2a8,fffffd805e2f0700,fffffd805e561080,fffffd805e542310,ffff80001d7c2188) at ether_resolve+0x4c2 ether_output(ffff80000017a2a8,fffffd805e2f0700,fffffd805e561080,fffffd805e542310) at ether_output+0x47 ip_output(fffffd805e2f0700,fffffd805e4faa00,fffffd805e561070,0,0,fffffd805e561000) at ip_output+0x10d4 udp_output(fffffd805e561000,fffffd805e2f0700,0,0) at udp_output+0x58b somove(fffffd805dafb7d8,2) at somove+0xf61 sorwakeup(fffffd805dafb7d8) at sorwakeup+0x79 udp_sbappend(fffffd805e561000,fffffd805e2f0700,fffffd805e2f07e0,0,18,fffffd805e2f07f8) at udp_sbappend+0x366 udp_input(ffff80001d7c2808,ffff80001d7c2814,11,2) at udp_input+0x10d8 ip_deliver(ffff80001d7c2808,ffff80001d7c2814,11,2) at ip_deliver+0x2e3 ip_ours(ffff80001d7c2808,ffff80001d7c2814,2,0) at ip_ours+0x4fe ip_input_if(ffff80001d7c2808,ffff80001d7c2814,4,0,ffff80000017a2a8) at ip_input_if+0x571 ipv4_input(ffff80000017a2a8,fffffd805e2f0700) at ipv4_input+0x48 if_input_local(ffff80000017a2a8,fffffd805e2f0700,2) at if_input_local+0xf9 ether_resolve(ffff80000017a2a8,fffffd805e4fa900,fffffd805e561080,fffffd805e542310,ffff80001d7c2958) at ether_resolve+0x4c2 ether_output(ffff80000017a2a8,fffffd805e4fa900,fffffd805e561080,fffffd805e542310) at ether_output+0x47 ip_output(fffffd805e4fa900,fffffd805e4faa00,fffffd805e561070,0,0,fffffd805e561000) at ip_output+0x10d4 udp_output(fffffd805e561000,fffffd805e4fa900,0,0) at udp_output+0x58b somove(fffffd805dafb7d8,2) at somove+0xf61 sorwakeup(fffffd805dafb7d8) at sorwakeup+0x79 udp_sbappend(fffffd805e561000,fffffd805e4fa900,fffffd805e4fa9e0,0,18,fffffd805e4fa9f8) at udp_sbappend+0x366 udp_input(ffff80001d7c2fd8,ffff80001d7c2fe4,11,2) at udp_input+0x10d8 ip_deliver(ffff80001d7c2fd8,ffff80001d7c2fe4,11,2) at ip_deliver+0x2e3 ip_ours(ffff80001d7c2fd8,ffff80001d7c2fe4,2,0) at ip_ours+0x4fe ip_input_if(ffff80001d7c2fd8,ffff80001d7c2fe4,4,0,ffff80000017a2a8) at ip_input_if+0x571 ipv4_input(ffff80000017a2a8,fffffd805e4fa900) at ipv4_input+0x48 if_input_local(ffff80000017a2a8,fffffd805e4fa900,2) at if_input_local+0xf9 ether_resolve(ffff80000017a2a8,fffffd805e390d00,fffffd805e561080,fffffd805e542310,ffff80001d7c3128) at ether_resolve+0x4c2 ether_output(ffff80000017a2a8,fffffd805e390d00,fffffd805e561080,fffffd805e542310) at ether_output+0x47 ip_output(fffffd805e390d00,fffffd805e4faa00,fffffd805e561070,0,0,fffffd805e561000) at ip_output+0x10d4 udp_output(fffffd805e561000,fffffd805e390d00,0,0) at udp_output+0x58b somove(fffffd805dafb7d8,2) at somove+0xf61 sorwakeup(fffffd805dafb7d8) at sorwakeup+0x79 udp_sbappend(fffffd805e561000,fffffd805e390d00,fffffd805e390de0,0,18,fffffd805e390df8) at udp_sbappend+0x366 udp_input(ffff80001d7c37a8,ffff80001d7c37b4,11,2) at udp_input+0x10d8 ip_deliver(ffff80001d7c37a8,ffff80001d7c37b4,11,2) at ip_deliver+0x2e3 ip_ours(ffff80001d7c37a8,ffff80001d7c37b4,2,0) at ip_ours+0x4fe ip_input_if(ffff80001d7c37a8,ffff80001d7c37b4,4,0,ffff80000017a2a8) at ip_input_if+0x571 ipv4_input(ffff80000017a2a8,fffffd805e390d00) at ipv4_input+0x48 if_input_local(ffff80000017a2a8,fffffd805e390d00,2) at if_input_local+0xf9 ether_resolve(ffff80000017a2a8,fffffd805e390c00,fffffd805e561080,fffffd805e542310,ffff80001d7c38f8) at ether_resolve+0x4c2 ether_output(ffff80000017a2a8,fffffd805e390c00,fffffd805e561080,fffffd805e542310) at ether_output+0x47 ip_output(fffffd805e390c00,fffffd805e4faa00,fffffd805e561070,0,0,fffffd805e561000) at ip_output+0x10d4 udp_output(fffffd805e561000,fffffd805e390c00,0,0) at udp_output+0x58b somove(fffffd805dafb7d8,2) at somove+0xf61 sorwakeup(fffffd805dafb7d8) at sorwakeup+0x79 udp_sbappend(fffffd805e561000,fffffd805e390c00,fffffd805e390ce0,0,18,fffffd805e390cf8) at udp_sbappend+0x366 udp_input(ffff80001d7c3f78,ffff80001d7c3f84,11,2) at udp_input+0x10d8 ip_deliver(ffff80001d7c3f78,ffff80001d7c3f84,11,2) at ip_deliver+0x2e3 ip_ours(ffff80001d7c3f78,ffff80001d7c3f84,2,0) at ip_ours+0x4fe ip_input_if(ffff80001d7c3f78,ffff80001d7c3f84,4,0,ffff80000017a2a8) at ip_input_if+0x571 ipv4_input(ffff80000017a2a8,fffffd805e390c00) at ipv4_input+0x48 if_input_local(ffff80000017a2a8,fffffd805e390c00,2) at if_input_local+0xf9 ether_resolve(ffff80000017a2a8,fffffd805e390600,fffffd805e561080,fffffd805e542310,ffff80001d7c40c8) at ether_resolve+0x4c2 ether_output(ffff80000017a2a8,fffffd805e390600,fffffd805e561080,fffffd805e542310) at ether_output+0x47 ip_output(fffffd805e390600,fffffd805e4faa00,fffffd805e561070,0,0,fffffd805e561000) at ip_output+0x10d4 udp_output(fffffd805e561000,fffffd805e390600,0,0) at udp_output+0x58b somove(fffffd805dafb7d8,2) at somove+0xf61 sorwakeup(fffffd805dafb7d8) at sorwakeup+0x79 sorflush(fffffd805dafb7d8) at sorflush+0x69 soshutdown(fffffd805dafb7d8,2) at soshutdown+0x7b sys_shutdown(ffff80001d7a74f0,ffff80001d7c4678,ffff80001d7c46c0) at sys_shutdown+0x63 syscall(ffff80001d7c4740) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff5680, count: -91 ddb> show registers rdi 0xffffffff8259ed90 mbpool rsi 0x2 rbp 0xffff80001d7c1090 rbx 0x2 rdx 0x3b9aca00 rcx 0x2 rax 0 r8 0xffff80001d7c11e8 r9 0x1 r10 0xd03d3e2678cc3c3d r11 0x21bcb9d3b2c6ca2d r12 0x1 r13 0 r14 0xffffffff8259ed90 mbpool r15 0x2 rip 0xffffffff81be24b6 pool_get+0x26 cs 0x8 rflags 0x10286 __ALIGN_SIZE+0xf286 rsp 0xffff80001d7c1000 ss 0x10 pool_get+0x26: callq __sanitizer_cov_trace_pc+0x4 ddb> show proc PROC (syz-executor4063) pid=10593 stat=onproc flags process=2 proc=0 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff80001d7a79d0,0xffff80001d7a7290 process=0xffff8000ffff83b0 user=0xffff80001d7bf000, vmspace=0xfffffd806bc0a880 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 66493 382082 0 0 3 0x14200 bored sosplice *98885 10593 41012 0 7 0x2 syz-executor4063 41012 395185 76824 0 3 0x10008a pause ksh 76824 186071 48787 0 3 0x92 select sshd 18842 121248 1 0 3 0x100083 ttyin getty 48787 491985 1 0 3 0x80 select sshd 26628 487399 54106 73 3 0x100090 kqread syslogd 54106 374205 1 0 3 0x100082 netio syslogd 84179 434613 1 77 3 0x100090 poll dhclient 19568 205371 1 0 3 0x80 poll dhclient 80036 178254 0 0 3 0x14200 bored smr 79528 166973 0 0 2 0x14200 zerothread 97735 9675 0 0 3 0x14200 aiodoned aiodoned 39757 231287 0 0 3 0x14200 syncer update 66587 150793 0 0 3 0x14200 cleaner cleaner 21148 312412 0 0 3 0x14200 reaper reaper 24489 152249 0 0 3 0x14200 pgdaemon pagedaemon 45427 452143 0 0 3 0x14200 bored crynlk 69863 516110 0 0 3 0x14200 bored crypto 2730 143834 0 0 3 0x40014200 acpi0 acpi0 43809 309895 0 0 3 0x14200 bored softnet 38612 231265 0 0 3 0x14200 bored systqmp 40109 196140 0 0 3 0x14200 bored systq 57716 210237 0 0 3 0x40014200 bored softclock 42149 81211 0 0 3 0x40014200 idle0 1 123040 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 9440 6319K 6320K 78643K 10537 0 pcb 13 8K 8K 78643K 13 0 rtable 61 1K 2K 78643K 118 0 ifaddr 24 7K 7K 78643K 24 0 counters 19 16K 16K 78643K 19 0 ioctlops 0 0K 2K 78643K 13 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 1794 195K 288K 78643K 12646 0 file desc 1 0K 0K 78643K 1 0 proc 47 38K 46K 78643K 278 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 19 95K 95K 78643K 19 0 exec 0 0K 1K 78643K 151 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 55 2K 3K 78643K 699 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 3 0K 0K 78643K 3 0 temp 18 3029K 3093K 78643K 1417 0 kqueue 2 2K 2K 78643K 2 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 2 0 0 1 0 1 1 0 8 0 rtpcb 80 15 0 13 1 0 1 1 0 8 0 rtentry 112 23 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 280 24 0 17 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 dino1pl 128 1391 0 15 45 0 45 45 0 8 0 ffsino 240 1391 0 15 81 0 81 81 0 8 0 nchpl 144 1566 0 31 57 0 57 57 0 8 0 uvmvnodes 72 1400 0 0 26 0 26 26 0 8 0 vnodes 208 1400 0 0 74 0 74 74 0 8 0 namei 1024 3447 0 3447 1 0 1 1 0 8 1 scxspl 192 2585 0 2585 1 0 1 1 0 8 1 plimitpl 152 13 0 8 1 0 1 1 0 8 0 sigapl 424 192 0 166 4 0 4 4 0 8 0 knotepl 112 5 0 0 1 0 1 1 0 8 0 kqueuepl 144 3 0 0 1 0 1 1 0 8 0 pipelkpl 16 57 0 53 1 0 1 1 0 8 0 pipepl 120 114 0 107 1 0 1 1 0 8 0 fdescpl 432 177 0 166 2 0 2 2 0 8 0 filepl 120 827 0 781 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 17 0 9 1 0 1 1 0 8 0 pgrppl 48 17 0 9 1 0 1 1 0 8 0 ucredpl 96 47 0 40 1 0 1 1 0 8 0 zombiepl 144 166 0 166 1 0 1 1 0 8 1 processpl 920 192 0 166 4 0 4 4 0 8 0 procpl 624 192 0 166 3 0 3 3 0 8 0 sosppl 128 1 0 0 1 0 1 1 0 8 0 sockpl 400 66 0 49 2 0 2 2 0 8 0 mcl4k 4096 10 0 10 1 0 1 1 0 8 1 mcl2k 2048 5842 0 5802 9 1 8 9 0 8 2 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 9977 0 9919 6 1 5 6 0 8 1 bufpl 280 1754 0 66 121 0 121 121 0 8 0 anonpl 16 17557 0 16425 7 2 5 7 0 107 0 amapchunkpl 152 494 0 458 2 0 2 2 0 158 0 amappl16 192 71 0 67 1 0 1 1 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 1 0 1 1 1 0 1 0 8 0 amappl13 168 12 0 11 1 0 1 1 0 8 0 amappl12 160 7 0 7 1 0 1 1 0 8 1 amappl11 152 55 0 43 1 0 1 1 0 8 0 amappl10 144 2 0 0 1 0 1 1 0 8 0 amappl9 136 217 0 214 1 0 1 1 0 8 0 amappl8 128 200 0 199 1 0 1 1 0 8 0 amappl7 120 78 0 70 1 0 1 1 0 8 0 amappl6 112 13 0 12 1 0 1 1 0 8 0 amappl5 104 148 0 139 1 0 1 1 0 8 0 amappl4 96 414 0 389 1 0 1 1 0 8 0 amappl3 88 98 0 92 1 0 1 1 0 8 0 amappl2 80 714 0 664 2 0 2 2 0 8 0 amappl1 72 12232 0 11843 16 7 9 16 0 8 0 amappl 80 364 0 345 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 24 177 0 166 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 177 0 166 1 0 1 1 0 8 0 vmmpekpl 168 5167 0 5148 1 0 1 1 0 8 0 vmmpepl 168 25588 0 24831 48 7 41 48 0 357 6 vmsppl 272 176 0 166 1 0 1 1 0 8 0 pdppl 4096 360 0 332 5 0 5 5 0 8 0 pvpl 32 70695 0 67968 26 0 26 26 0 265 1 pmappl 200 176 0 166 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 122 0 4 4 0 4 4 0 8 0