kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Tue Mar 3 15:51:48 PST 2020 OpenBSD/amd64 (ci-openbsd-multicore-9.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.13' (ECDSA) to the list of known hosts. 2020/03/03 15:52:01 parsed 1 programs 2020/03/03 15:52:06 executed programs: 0 login: kernel: double fault trap, code=0 Stopped at pool_get+0x19: pushq %r12 ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace pool_get(ffffffff82673638,2) at pool_get+0x19 m_get(2,3) at m_get+0x4c sbappendaddr(fffffd806eb64e18,fffffd806eb64ea0,ffff800020b74218,fffffd807e600d00,0) at sbappendaddr+0x223 udp_sbappend(fffffd806f6ef7a8,fffffd807e600d00,fffffd807e600db0,0,14,fffffd807e600dc4) at udp_sbappend+0x314 udp_input(ffff800020b74498,ffff800020b744a4,11,2) at udp_input+0x1320 ip_deliver(ffff800020b74498,ffff800020b744a4,11,2) at ip_deliver+0x353 ip_ours(ffff800020b74498,ffff800020b744a4,8b,0) at ip_ours+0x412 ip_input_if(ffff800020b74498,ffff800020b744a4,4,0,ffff800000679800) at ip_input_if+0x6ce ipv4_input(ffff800000679800,fffffd807e600d00) at ipv4_input+0x48 if_input_local(ffff800000679800,fffffd807e600d00,2) at if_input_local+0xf9 ip_output(fffffd8074a64600,0,fffffd806f6ef818,0,0,fffffd806f6ef7a8) at ip_output+0xae5 udp_output(fffffd806f6ef7a8,fffffd8074a64600,0,0) at udp_output+0x5af somove(fffffd806eb64e18,2) at somove+0xf2f sorwakeup(fffffd806eb64e18) at sorwakeup+0x79 udp_sbappend(fffffd806f6ef7a8,fffffd8074a64700,fffffd8074a647b0,0,14,fffffd8074a647c4) at udp_sbappend+0x336 udp_input(ffff800020b74b88,ffff800020b74b94,11,2) at udp_input+0x1320 ip_deliver(ffff800020b74b88,ffff800020b74b94,11,2) at ip_deliver+0x353 ip_ours(ffff800020b74b88,ffff800020b74b94,8b,0) at ip_ours+0x412 ip_input_if(ffff800020b74b88,ffff800020b74b94,4,0,ffff800000679800) at ip_input_if+0x6ce ipv4_input(ffff800000679800,fffffd8074a64700) at ipv4_input+0x48 if_input_local(ffff800000679800,fffffd8074a64700,2) at if_input_local+0xf9 ip_output(fffffd806f17b600,0,fffffd806f6ef818,0,0,fffffd806f6ef7a8) at ip_output+0xae5 udp_output(fffffd806f6ef7a8,fffffd806f17b600,0,0) at udp_output+0x5af somove(fffffd806eb64e18,2) at somove+0xf2f sorwakeup(fffffd806eb64e18) at sorwakeup+0x79 udp_sbappend(fffffd806f6ef7a8,fffffd8074a64600,fffffd8074a646b0,0,14,fffffd8074a646c4) at udp_sbappend+0x336 udp_input(ffff800020b75278,ffff800020b75284,11,2) at udp_input+0x1320 ip_deliver(ffff800020b75278,ffff800020b75284,11,2) at ip_deliver+0x353 ip_ours(ffff800020b75278,ffff800020b75284,8b,0) at ip_ours+0x412 ip_input_if(ffff800020b75278,ffff800020b75284,4,0,ffff800000679800) at ip_input_if+0x6ce ipv4_input(ffff800000679800,fffffd8074a64600) at ipv4_input+0x48 if_input_local(ffff800000679800,fffffd8074a64600,2) at if_input_local+0xf9 ip_output(fffffd806dd27000,0,fffffd806f6ef818,0,0,fffffd806f6ef7a8) at ip_output+0xae5 udp_output(fffffd806f6ef7a8,fffffd806dd27000,0,0) at udp_output+0x5af somove(fffffd806eb64e18,2) at somove+0xf2f sorwakeup(fffffd806eb64e18) at sorwakeup+0x79 udp_sbappend(fffffd806f6ef7a8,fffffd806f17b600,fffffd806f17b6b0,0,14,fffffd806f17b6c4) at udp_sbappend+0x336 udp_input(ffff800020b75968,ffff800020b75974,11,2) at udp_input+0x1320 ip_deliver(ffff800020b75968,ffff800020b75974,11,2) at ip_deliver+0x353 ip_ours(ffff800020b75968,ffff800020b75974,8b,0) at ip_ours+0x412 ip_input_if(ffff800020b75968,ffff800020b75974,4,0,ffff800000679800) at ip_input_if+0x6ce ipv4_input(ffff800000679800,fffffd806f17b600) at ipv4_input+0x48 if_input_local(ffff800000679800,fffffd806f17b600,2) at if_input_local+0xf9 ip_output(fffffd806dd27900,0,fffffd806f6ef818,0,0,fffffd806f6ef7a8) at ip_output+0xae5 udp_output(fffffd806f6ef7a8,fffffd806dd27900,0,0) at udp_output+0x5af somove(fffffd806eb64e18,2) at somove+0xf2f sorwakeup(fffffd806eb64e18) at sorwakeup+0x79 udp_sbappend(fffffd806f6ef7a8,fffffd806dd27000,fffffd806dd270b0,0,14,fffffd806dd270c4) at udp_sbappend+0x336 udp_input(ffff800020b76058,ffff800020b76064,11,2) at udp_input+0x1320 ip_deliver(ffff800020b76058,ffff800020b76064,11,2) at ip_deliver+0x353 ip_ours(ffff800020b76058,ffff800020b76064,8b,0) at ip_ours+0x412 ip_input_if(ffff800020b76058,ffff800020b76064,4,0,ffff800000679800) at ip_input_if+0x6ce ipv4_input(ffff800000679800,fffffd806dd27000) at ipv4_input+0x48 if_input_local(ffff800000679800,fffffd806dd27000,2) at if_input_local+0xf9 ip_output(fffffd807f01e200,0,fffffd806f6ef818,0,0,fffffd806f6ef7a8) at ip_output+0xae5 udp_output(fffffd806f6ef7a8,fffffd807f01e200,0,0) at udp_output+0x5af somove(fffffd806eb64e18,2) at somove+0xf2f sorwakeup(fffffd806eb64e18) at sorwakeup+0x79 udp_sbappend(fffffd806f6ef7a8,fffffd806dd27900,fffffd806dd279b0,0,14,fffffd806dd279c4) at udp_sbappend+0x336 udp_input(ffff800020b76748,ffff800020b76754,11,2) at udp_input+0x1320 ip_deliver(ffff800020b76748,ffff800020b76754,11,2) at ip_deliver+0x353 ip_ours(ffff800020b76748,ffff800020b76754,8b,0) at ip_ours+0x412 ip_input_if(ffff800020b76748,ffff800020b76754,4,0,ffff800000679800) at ip_input_if+0x6ce ipv4_input(ffff800000679800,fffffd806dd27900) at ipv4_input+0x48 if_input_local(ffff800000679800,fffffd806dd27900,2) at if_input_local+0xf9 ip_output(fffffd806f17b900,0,fffffd806f6ef818,0,0,fffffd806f6ef7a8) at ip_output+0xae5 udp_output(fffffd806f6ef7a8,fffffd806f17b900,0,0) at udp_output+0x5af somove(fffffd806eb64e18,2) at somove+0xf2f sorwakeup(fffffd806eb64e18) at sorwakeup+0x79 udp_sbappend(fffffd806f6ef7a8,fffffd807f01e200,fffffd807f01e2b0,0,14,fffffd807f01e2c4) at udp_sbappend+0x336 udp_input(ffff800020b76e38,ffff800020b76e44,11,2) at udp_input+0x1320 ip_deliver(ffff800020b76e38,ffff800020b76e44,11,2) at ip_deliver+0x353 ip_ours(ffff800020b76e38,ffff800020b76e44,8b,0) at ip_ours+0x412 ip_input_if(ffff800020b76e38,ffff800020b76e44,4,0,ffff800000679800) at ip_input_if+0x6ce ipv4_input(ffff800000679800,fffffd807f01e200) at ipv4_input+0x48 if_input_local(ffff800000679800,fffffd807f01e200,2) at if_input_local+0xf9 ip_output(fffffd806d8a3d00,0,fffffd806f6ef818,0,0,fffffd806f6ef7a8) at ip_output+0xae5 udp_output(fffffd806f6ef7a8,fffffd806d8a3d00,0,0) at udp_output+0x5af somove(fffffd806eb64e18,2) at somove+0xf2f sorwakeup(fffffd806eb64e18) at sorwakeup+0x79 udp_sbappend(fffffd806f6ef7a8,fffffd806f17b900,fffffd806f17b9b0,0,14,fffffd806f17b9c4) at udp_sbappend+0x336 udp_input(ffff800020b77528,ffff800020b77534,11,2) at udp_input+0x1320 ip_deliver(ffff800020b77528,ffff800020b77534,11,2) at ip_deliver+0x353 ip_ours(ffff800020b77528,ffff800020b77534,8b,0) at ip_ours+0x412 ip_input_if(ffff800020b77528,ffff800020b77534,4,0,ffff800000679800) at ip_input_if+0x6ce ipv4_input(ffff800000679800,fffffd806f17b900) at ipv4_input+0x48 if_input_local(ffff800000679800,fffffd806f17b900,2) at if_input_local+0xf9 ip_output(fffffd8074a64b00,0,fffffd806f6ef818,0,0,fffffd806f6ef7a8) at ip_output+0xae5 udp_output(fffffd806f6ef7a8,fffffd8074a64b00,0,0) at udp_output+0x5af sosend(fffffd806eb64e18,0,ffff800020b778a0,0,0,0) at sosend+0x671 sendit(ffff800020ac6eb8,4,ffff800020b77980,0,ffff800020b77a60) at sendit+0x52b sys_sendto(ffff800020ac6eb8,ffff800020b77a18,ffff800020b77a60) at sys_sendto+0x80 syscall(ffff800020b77ae0) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5db96e410f0, count: -94 ddb{0}> show registers rdi 0xffffffff82673638 mbpool rsi 0x2 rbp 0xffff800020b74030 rbx 0x10 rdx 0x8b rcx 0x1 rax 0 r8 0xffffffff812d70c8 sbappendaddr+0xf8 r9 0x5 r10 0x20c0310e48cd8a78 r11 0x73512a83c3dfb9b1 r12 0x10 r13 0xa270 __ALIGN_SIZE+0x9270 r14 0x3 r15 0x2 rip 0xffffffff817929a9 pool_get+0x19 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800020b74000 ss 0x10 pool_get+0x19: pushq %r12 ddb{0}> show proc PROC (syz-executor.0) pid=114141 stat=onproc flags process=0 proc=4000000 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020ac69d8,0xffff800020ac7618 process=0xffff800020ac8f18 user=0xffff800020b72000, vmspace=0xfffffd807efff5c0 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 40706 94521 34460 0 7 0 syz-executor.0 40706 393577 34460 0 2 0x4000000 syz-executor.0 *40706 114141 34460 0 7 0x4000000 syz-executor.0 40706 56410 34460 0 2 0x4000080 syz-executor.0 38237 513017 0 0 3 0x14200 bored sosplice 34460 51299 58297 0 3 0x82 nanosleep syz-executor.0 58297 125763 22361 0 3 0x82 thrsleep syz-execprog 58297 423776 22361 0 3 0x4000082 nanosleep syz-execprog 58297 204046 22361 0 3 0x4000082 thrsleep syz-execprog 58297 134659 22361 0 3 0x4000082 nanosleep syz-execprog 58297 305620 22361 0 3 0x4000082 thrsleep syz-execprog 58297 287895 22361 0 3 0x4000082 thrsleep syz-execprog 58297 399404 22361 0 3 0x4000082 thrsleep syz-execprog 58297 486715 22361 0 3 0x4000082 thrsleep syz-execprog 58297 330969 22361 0 3 0x4000082 kqread syz-execprog 22361 50307 13943 0 3 0x10008a pause ksh 13943 78161 47268 0 3 0x92 select sshd 75380 398917 1 0 3 0x100083 ttyin getty 47268 278096 1 0 3 0x80 select sshd 2390 47274 43479 74 3 0x100092 bpf pflogd 43479 74418 1 0 3 0x80 netio pflogd 59747 517226 60434 73 3 0x100090 kqread syslogd 60434 230394 1 0 3 0x100082 netio syslogd 6803 336033 1 77 3 0x100090 poll dhclient 39429 482982 1 0 3 0x80 poll dhclient 76985 141338 0 0 3 0x14200 bored smr 45451 8427 0 0 3 0x14200 pgzero zerothread 1062 480985 0 0 3 0x14200 aiodoned aiodoned 89263 256444 0 0 3 0x14200 syncer update 68061 167925 0 0 3 0x14200 cleaner cleaner 69545 78689 0 0 3 0x14200 reaper reaper 72613 101355 0 0 3 0x14200 pgdaemon pagedaemon 59746 435138 0 0 3 0x14200 bored crynlk 28793 335005 0 0 3 0x14200 bored crypto 42114 290118 0 0 3 0x40014200 acpi0 acpi0 91266 320293 0 0 3 0x40014200 idle1 12145 225766 0 0 3 0x14200 bored softnet 15689 374334 0 0 3 0x14200 bored systqmp 47668 272595 0 0 3 0x14200 bored systq 71383 160962 0 0 3 0x40014200 bored softclock 62421 39492 0 0 3 0x40014200 idle0 1 499276 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 40706 (syz-executor.0) thread 0xffff800020ac6eb8 (114141) exclusive rwlock netlock r = 0 (0xffffffff824a5b48) #0 witness_lock+0x52e #1 solock+0x5a #2 sosend+0x559 #3 sendit+0x52b #4 sys_sendto+0x80 #5 syscall+0x4a4 #6 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9467 6396K 6396K 78643K 10558 0 pcb 13 8K 8K 78643K 13 0 rtable 83 2K 2K 78643K 163 0 ifaddr 37 9K 9K 78643K 38 0 counters 41 33K 33K 78643K 41 0 ioctlops 0 0K 4K 78643K 1468 0 mount 1 1K 1K 78643K 1 0 vnodes 1183 74K 75K 78643K 1188 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 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 3 8K 12K 78643K 23 0 proc 59 63K 83K 78643K 398 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 197 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 77 12K 12K 78643K 973 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 7 0K 0K 78643K 7 0 temp 29 3013K 3077K 78643K 1921 0 kqueue 3 4K 4K 78643K 3 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> 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 plcache 128 20 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 29 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 57 0 48 1 0 1 1 0 8 0 nd6 48 3 0 0 1 0 1 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 11 0 0 1 0 1 1 0 8 0 pfstkey 112 11 0 0 1 0 1 1 0 8 0 pfstate 328 11 0 0 1 0 1 1 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 143 0 0 9 0 9 9 0 8 0 art_table 32 144 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 1428 0 25 46 0 46 46 0 8 0 ffsino 272 1428 0 25 94 0 94 94 0 8 0 nchpl 144 1659 0 49 60 0 60 60 0 8 0 uvmvnodes 72 1438 0 0 27 0 27 27 0 8 0 vnodes 208 1438 0 0 76 0 76 76 0 8 0 namei 1024 4157 0 4157 1 0 1 1 0 8 1 percpumem 16 31 0 0 1 0 1 1 0 8 0 scxspl 192 4554 0 4554 2 1 1 2 0 8 1 plimitpl 152 15 0 8 1 0 1 1 0 8 0 sigapl 424 247 0 216 4 0 4 4 0 8 0 futexpl 56 87 0 87 1 0 1 1 0 8 1 knotepl 112 39 0 28 1 0 1 1 0 8 0 kqueuepl 144 14 0 10 1 0 1 1 0 8 0 pipelkpl 48 74 0 67 1 0 1 1 0 8 0 pipepl 120 148 0 135 1 0 1 1 0 8 0 fdescpl 496 231 0 216 3 0 3 3 0 8 0 filepl 152 1154 0 1091 3 0 3 3 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 19 0 9 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 52 0 43 1 0 1 1 0 8 0 zombiepl 144 216 0 216 1 0 1 1 0 8 1 processpl 960 247 0 216 5 0 5 5 0 8 1 procpl 624 273 0 231 4 0 4 4 0 8 0 sosppl 128 11 0 10 1 0 1 1 0 8 0 sockpl 400 103 0 82 3 0 3 3 0 8 0 mcl4k 4096 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 76 0 0 10 0 10 10 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 114 0 0 7 0 7 7 0 8 0 bufpl 280 3750 0 174 256 0 256 256 0 8 0 anonpl 16 22678 0 21028 14 1 13 13 0 124 5 amapchunkpl 152 912 0 838 5 0 5 5 0 158 1 amappl16 192 166 0 130 2 0 2 2 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 5 0 4 2 1 1 1 0 8 0 amappl13 168 21 0 20 1 0 1 1 0 8 0 amappl12 160 8 0 7 2 1 1 1 0 8 0 amappl11 152 70 0 52 1 0 1 1 0 8 0 amappl10 144 14 0 12 1 0 1 1 0 8 0 amappl9 136 236 0 232 1 0 1 1 0 8 0 amappl8 128 270 0 261 1 0 1 1 0 8 0 amappl7 120 122 0 110 1 0 1 1 0 8 0 amappl6 112 20 0 18 1 0 1 1 0 8 0 amappl5 104 133 0 118 1 0 1 1 0 8 0 amappl4 96 509 0 481 1 0 1 1 0 8 0 amappl3 88 111 0 106 1 0 1 1 0 8 0 amappl2 80 981 0 912 3 0 3 3 0 8 1 amappl1 72 15560 0 15125 26 8 18 20 0 8 8 amappl 80 499 0 467 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 24 231 0 216 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 231 0 216 1 0 1 1 0 8 0 vmmpekpl 168 6279 0 6257 2 0 2 2 0 8 0 vmmpepl 168 33399 0 32398 86 6 80 80 0 357 36 vmsppl 368 230 0 216 2 0 2 2 0 8 0 pdppl 4096 470 0 432 6 0 6 6 0 8 0 pvpl 32 113211 0 109098 115 0 115 115 0 265 81 pmappl 232 230 0 216 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 146 0 3 5 0 5 5 0 8 0 ddb{0}>