Warning: Permanently added '10.128.0.162' (ECDSA) to the list of known hosts. 2020/05/08 21:21:43 parsed 1 programs 2020/05/08 21:21:48 executed programs: 0 panic: pool_do_get: mbufpl free list modified: page 0xfffffd806d893000; item addr 0xfffffd806d893500; offset 0x0=0xcf184e0000000000 != 0xcf184e7d0eab51e3 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 114770 98404 77 0x100010 0x80 0 dhclient db_enter() at db_enter+0x18 panic(ffffffff82270f77) at panic+0x15c pool_do_get(ffffffff8264bc38,2,ffff800020f64638) at pool_do_get+0x439 pool_get(ffffffff8264bc38,2) at pool_get+0xeb m_get(2,3) at m_get+0x4c sbappendaddr(fffffd806f6e3190,fffffd806f6e3218,ffffffff822f4488,fffffd806dd5e200,0) at sbappendaddr+0x2e9 rtm_sendup(fffffd806f6e3190,fffffd806dd5e200,0) at rtm_sendup+0xef route_input(fffffd806dd5e200,0,18) at route_input+0x489 rtm_send(fffffd806f515d20,2,0,0) at rtm_send+0x18d rtdeletemsg(fffffd806f515d20,ffff8000009d6000,0) at rtdeletemsg+0x199 rt_ifa_purge(ffff800000a25400) at rt_ifa_purge+0x104 in6_unlink_ifa(ffff800000a25400,ffff8000009d6000) at in6_unlink_ifa+0x580 in6_purgeaddr(ffff800000a25400) at in6_purgeaddr+0x1d7 in6_ifdetach(ffff8000009d6000) at in6_ifdetach+0x74 end trace frame: 0xffff800020f64d00, count: 0 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic pool_do_get: mbufpl free list modified: page 0xfffffd806d893000; item addr 0xfffffd806d893500; offset 0x0=0xcf184e0000000000 != 0xcf184e7d0eab51e3 ddb{1}> trace db_enter() at db_enter+0x18 panic(ffffffff82270f77) at panic+0x15c pool_do_get(ffffffff8264bc38,2,ffff800020f64638) at pool_do_get+0x439 pool_get(ffffffff8264bc38,2) at pool_get+0xeb m_get(2,3) at m_get+0x4c sbappendaddr(fffffd806f6e3190,fffffd806f6e3218,ffffffff822f4488,fffffd806dd5e200,0) at sbappendaddr+0x2e9 rtm_sendup(fffffd806f6e3190,fffffd806dd5e200,0) at rtm_sendup+0xef route_input(fffffd806dd5e200,0,18) at route_input+0x489 rtm_send(fffffd806f515d20,2,0,0) at rtm_send+0x18d rtdeletemsg(fffffd806f515d20,ffff8000009d6000,0) at rtdeletemsg+0x199 rt_ifa_purge(ffff800000a25400) at rt_ifa_purge+0x104 in6_unlink_ifa(ffff800000a25400,ffff8000009d6000) at in6_unlink_ifa+0x580 in6_purgeaddr(ffff800000a25400) at in6_purgeaddr+0x1d7 in6_ifdetach(ffff8000009d6000) at in6_ifdetach+0x74 if_detach(ffff8000009d6000) at if_detach+0x148 tun_clone_destroy(ffff8000009d6000) at tun_clone_destroy+0x1f2 tun_dev_close(5d00,7) at tun_dev_close+0x160 spec_close(ffff800020f64e30) at spec_close+0x311 VOP_CLOSE(fffffd806e37c0d8,7,fffffd807f7bfba0,ffff800020e6dd48) at VOP_CLOSE+0xc0 vn_closefile(fffffd806d0a7990,ffff800020e6dd48) at vn_closefile+0xd7 fdrop(fffffd806d0a7990,ffff800020e6dd48) at fdrop+0xc2 closef(fffffd806d0a7990,ffff800020e6dd48) at closef+0x11c fdfree(ffff800020e6dd48) at fdfree+0x101 exit1(ffff800020e6dd48,0,9,1) at exit1+0x32c postsig(ffff800020e6dd48,9) at postsig+0x4ed userret(ffff800020e6dd48) at userret+0x199 syscall(ffff800020f652b0) at syscall+0x55f Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd6120, count: -28 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800020f64480 rbx 0xffff800020f64530 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff81b4951f kprintf+0x16f r9 0x1 r10 0x421caa851edde47d r11 0x8af7dcaaded414cb r12 0x3000000008 r13 0xffff800020f64490 r14 0x100 r15 0x1 rip 0xffffffff818b7698 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020f64470 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=124315 stat=onproc flags process=a proc=2000 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020e6c008,0xffffffff8264acd0 process=0xffff800020e803e8 user=0xffff800020f60000, vmspace=0xfffffd807efff5c0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 96136 439383 79962 0 3 0x82 thrsleep syz-execprog 96136 255482 79962 0 3 0x4000082 thrsleep syz-execprog 96136 210980 79962 0 3 0x4000082 thrsleep syz-execprog 96136 190823 79962 0 3 0x4000082 thrsleep syz-execprog 96136 130244 79962 0 3 0x4000082 wait syz-execprog 96136 297428 79962 0 3 0x4000082 thrsleep syz-execprog 96136 431606 79962 0 3 0x4000082 thrsleep syz-execprog 96136 289451 79962 0 3 0x4000082 thrsleep syz-execprog 96136 426602 79962 0 3 0x4000082 kqread syz-execprog 79962 276834 67889 0 3 0x10008a pause ksh 67889 464813 45047 0 3 0x92 select sshd 57427 350776 1 0 3 0x100083 ttyin getty 45047 257756 1 0 3 0x80 select sshd 10901 310951 23358 74 3 0x100092 bpf pflogd 23358 13479 1 0 3 0x80 netio pflogd 7184 480722 57505 73 3 0x100090 kqread syslogd 57505 102565 1 0 3 0x100082 netio syslogd 98404 114770 1 77 7 0x100090 dhclient 94323 360115 1 0 3 0x80 poll dhclient 52090 372279 0 0 3 0x14200 bored smr 51937 106365 0 0 3 0x14200 pgzero zerothread 55104 43993 0 0 3 0x14200 aiodoned aiodoned 83460 509513 0 0 3 0x14200 syncer update 40158 475467 0 0 3 0x14200 cleaner cleaner 19911 440150 0 0 3 0x14200 reaper reaper 53721 372187 0 0 3 0x14200 pgdaemon pagedaemon 77521 473862 0 0 3 0x14200 bored crynlk 31960 205145 0 0 3 0x14200 bored crypto 83130 451693 0 0 3 0x40014200 acpi0 acpi0 85687 16633 0 0 3 0x40014200 idle1 85803 311180 0 0 3 0x14200 bored softnet 51070 325221 0 0 2 0x14200 systqmp 34195 208494 0 0 3 0x14200 bored systq 20094 301167 0 0 3 0x40014200 bored softclock 83271 202422 0 0 3 0x40014200 idle0 1 86068 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex mbufpl r = 0 (0xffffffff8264bc48) #0 witness_lock+0x4c7 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b #3 pool_get+0xbf #4 m_get+0x4c #5 sbappendaddr+0x2e9 #6 rtm_sendup+0xef #7 route_input+0x489 #8 rtm_send+0x18d #9 rtdeletemsg+0x199 #10 rt_ifa_purge+0x104 #11 in6_unlink_ifa+0x580 #12 in6_purgeaddr+0x1d7 #13 in6_ifdetach+0x74 #14 if_detach+0x148 #15 tun_clone_destroy+0x1f2 #16 tun_dev_close+0x160 #17 spec_close+0x311 #18 VOP_CLOSE+0xc0 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9464 6395K 6395K 78643K 10557 0 pcb 13 8K 8K 78643K 13 0 rtable 71 2K 2K 78643K 163 0 ifaddr 36 9K 9K 78643K 39 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 1823 197K 290K 78643K 12980 0 file desc 2 4K 12K 78643K 18 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 17 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 74 12K 12K 78643K 951 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 7 0 temp 29 3033K 3097K 78643K 1867 0 kqueue 3 4K 4K 78643K 3 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 4 0 2 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 7 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 34 0 28 1 0 1 1 0 8 0 nd6 48 3 0 2 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 10 0 0 1 0 1 1 0 8 0 pfstkey 112 10 0 0 1 0 1 1 0 8 0 pfstate 328 10 0 0 1 0 1 1 0 8 0 pfrule 1360 21 0 15 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 144 0 2 9 0 9 9 0 8 0 art_table 32 145 0 2 2 0 2 2 0 8 0 art_node 16 33 0 6 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1424 0 22 88 0 88 88 0 8 0 ffsino 272 1424 0 22 94 0 94 94 0 8 0 nchpl 144 1640 0 38 60 0 60 60 0 8 0 uvmvnodes 72 1434 0 0 27 0 27 27 0 8 0 vnodes 208 1434 0 0 76 0 76 76 0 8 0 namei 1024 4205 0 4205 1 0 1 1 0 8 1 percpumem 16 31 0 0 1 0 1 1 0 8 0 scxspl 192 3831 0 3831 2 1 1 2 0 8 1 plimitpl 152 15 0 8 1 0 1 1 0 8 0 sigapl 424 241 0 212 4 0 4 4 0 8 0 knotepl 112 47 0 38 1 0 1 1 0 8 0 kqueuepl 144 2 0 0 1 0 1 1 0 8 0 pipelkpl 48 77 0 71 1 0 1 1 0 8 0 pipepl 120 154 0 143 1 0 1 1 0 8 0 fdescpl 496 226 0 212 3 0 3 3 0 8 0 filepl 152 1110 0 1054 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 62 0 53 1 0 1 1 0 8 0 zombiepl 144 213 0 212 1 0 1 1 0 8 0 processpl 984 241 0 212 5 0 5 5 0 8 1 procpl 624 249 0 212 4 0 4 4 0 8 1 sockpl 400 80 0 62 2 0 2 2 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 78 0 0 10 0 10 10 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 112 0 0 7 0 7 7 0 8 0 mbufpl: pool(0xffffffff8264bc38:mbufpl): free list modified: page 0xfffffd806d893000; item ordinal 0; addr 0xfffffd806d893500 (p 0xfffffd807c6d3000); offset 0x0=0xcf184e0000000000 bufpl 280 2980 0 132 204 0 204 204 0 8 0 anonpl 16 22287 0 20648 13 1 12 12 0 124 3 amapchunkpl 152 853 0 788 4 0 4 4 0 158 0 amappl16 192 144 0 113 2 0 2 2 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 33 0 27 1 0 1 1 0 8 0 amappl13 168 20 0 19 1 0 1 1 0 8 0 amappl12 160 5 0 3 1 0 1 1 0 8 0 amappl11 152 55 0 39 1 0 1 1 0 8 0 amappl10 144 19 0 16 1 0 1 1 0 8 0 amappl9 136 233 0 232 1 0 1 1 0 8 0 amappl8 128 274 0 266 1 0 1 1 0 8 0 amappl7 120 115 0 103 1 0 1 1 0 8 0 amappl6 112 25 0 23 1 0 1 1 0 8 0 amappl5 104 125 0 111 1 0 1 1 0 8 0 amappl4 96 495 0 470 1 0 1 1 0 8 0 amappl3 88 105 0 100 1 0 1 1 0 8 0 amappl2 80 856 0 794 2 0 2 2 0 8 0 amappl1 72 15298 0 14872 23 5 18 18 0 8 8 amappl 80 479 0 451 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 24 226 0 212 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 226 0 212 1 0 1 1 0 8 0 vmmpekpl 168 6334 0 6308 2 0 2 2 0 8 0 vmmpepl 168 32593 0 31665 76 4 72 72 0 357 31 vmsppl 368 225 0 212 2 0 2 2 0 8 0 pdppl 4096 460 0 424 6 0 6 6 0 8 0 pvpl 32 113313 0 109325 104 0 104 104 0 265 70 pmappl 232 225 0 212 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 233 0 2 7 0 7 7 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff82520ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xc6 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff8264d0a0) at __mp_lock+0x12e __mp_acquire_count(ffffffff8264d0a0,2) at __mp_acquire_count+0x51 mi_switch() at mi_switch+0x392 sleep_finish(ffff800020ea7840,1) at sleep_finish+0x113 sleep_finish_all(ffff800020ea7840,1) at sleep_finish_all+0x32 tsleep(ffffffff82664ce4,118,ffffffff8224b1b7,41e331) at tsleep+0x1cc doppoll(ffff800020e6cea8,7f7ffffea0e0,3,ffff800020ea79d8,0,ffff800020ea7a90) at doppoll+0x57e sys_poll(ffff800020e6cea8,ffff800020ea7a40,ffff800020ea7a90) at sys_poll+0xa6 syscall(ffff800020ea7b10) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffea0c0, count: 2 ddb{0}> trace x86_ipi_db(ffffffff82520ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xc6 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff8264d0a0) at __mp_lock+0x12e __mp_acquire_count(ffffffff8264d0a0,2) at __mp_acquire_count+0x51 mi_switch() at mi_switch+0x392 sleep_finish(ffff800020ea7840,1) at sleep_finish+0x113 sleep_finish_all(ffff800020ea7840,1) at sleep_finish_all+0x32 tsleep(ffffffff82664ce4,118,ffffffff8224b1b7,41e331) at tsleep+0x1cc doppoll(ffff800020e6cea8,7f7ffffea0e0,3,ffff800020ea79d8,0,ffff800020ea7a90) at doppoll+0x57e sys_poll(ffff800020e6cea8,ffff800020ea7a40,ffff800020ea7a90) at sys_poll+0xa6 syscall(ffff800020ea7b10) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffea0c0, count: -13 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 panic(ffffffff82270f77) at panic+0x15c pool_do_get(ffffffff8264bc38,2,ffff800020f64638) at pool_do_get+0x439 pool_get(ffffffff8264bc38,2) at pool_get+0xeb m_get(2,3) at m_get+0x4c sbappendaddr(fffffd806f6e3190,fffffd806f6e3218,ffffffff822f4488,fffffd806dd5e200,0) at sbappendaddr+0x2e9 rtm_sendup(fffffd806f6e3190,fffffd806dd5e200,0) at rtm_sendup+0xef route_input(fffffd806dd5e200,0,18) at route_input+0x489 rtm_send(fffffd806f515d20,2,0,0) at rtm_send+0x18d rtdeletemsg(fffffd806f515d20,ffff8000009d6000,0) at rtdeletemsg+0x199 rt_ifa_purge(ffff800000a25400) at rt_ifa_purge+0x104 in6_unlink_ifa(ffff800000a25400,ffff8000009d6000) at in6_unlink_ifa+0x580 in6_purgeaddr(ffff800000a25400) at in6_purgeaddr+0x1d7 in6_ifdetach(ffff8000009d6000) at in6_ifdetach+0x74 end trace frame: 0xffff800020f64d00, count: 0 ddb{1}> trace db_enter() at db_enter+0x18 panic(ffffffff82270f77) at panic+0x15c pool_do_get(ffffffff8264bc38,2,ffff800020f64638) at pool_do_get+0x439 pool_get(ffffffff8264bc38,2) at pool_get+0xeb m_get(2,3) at m_get+0x4c sbappendaddr(fffffd806f6e3190,fffffd806f6e3218,ffffffff822f4488,fffffd806dd5e200,0) at sbappendaddr+0x2e9 rtm_sendup(fffffd806f6e3190,fffffd806dd5e200,0) at rtm_sendup+0xef route_input(fffffd806dd5e200,0,18) at route_input+0x489 rtm_send(fffffd806f515d20,2,0,0) at rtm_send+0x18d rtdeletemsg(fffffd806f515d20,ffff8000009d6000,0) at rtdeletemsg+0x199 rt_ifa_purge(ffff800000a25400) at rt_ifa_purge+0x104 in6_unlink_ifa(ffff800000a25400,ffff8000009d6000) at in6_unlink_ifa+0x580 in6_purgeaddr(ffff800000a25400) at in6_purgeaddr+0x1d7 in6_ifdetach(ffff8000009d6000) at in6_ifdetach+0x74 if_detach(ffff8000009d6000) at if_detach+0x148 tun_clone_destroy(ffff8000009d6000) at tun_clone_destroy+0x1f2 tun_dev_close(5d00,7) at tun_dev_close+0x160 spec_close(ffff800020f64e30) at spec_close+0x311 VOP_CLOSE(fffffd806e37c0d8,7,fffffd807f7bfba0,ffff800020e6dd48) at VOP_CLOSE+0xc0 vn_closefile(fffffd806d0a7990,ffff800020e6dd48) at vn_closefile+0xd7 fdrop(fffffd806d0a7990,ffff800020e6dd48) at fdrop+0xc2 closef(fffffd806d0a7990,ffff800020e6dd48) at closef+0x11c fdfree(ffff800020e6dd48) at fdfree+0x101 exit1(ffff800020e6dd48,0,9,1) at exit1+0x32c postsig(ffff800020e6dd48,9) at postsig+0x4ed userret(ffff800020e6dd48) at userret+0x199 syscall(ffff800020f652b0) at syscall+0x55f Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd6120, count: -28 ddb{1}>