Warning: Permanently added '10.128.15.202' (ECDSA) to the list of known hosts. 2020/05/04 23:50:26 parsed 1 programs 2020/05/04 23:50:28 executed programs: 0 panic: pool_cache_item_magic_check: mbufpl cpu free list modified: item addr 0xfffffd806f2e7300+16 0x0!=0xa8a6ad40a76f4706 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 457206 58286 0 0x14000 0x200 0 systqmp db_enter() at db_enter+0x18 panic(ffffffff821f8577) at panic+0x15c pool_cache_get(ffffffff82655688) at pool_cache_get+0x323 pool_get(ffffffff82655688,2) at pool_get+0x91 m_get(2,3) at m_get+0x4c sbappendaddr(fffffd806f6db4b0,fffffd806f6db538,ffffffff82311bb8,fffffd806d7e7100,0) at sbappendaddr+0x2e9 rtm_sendup(fffffd806f6db4b0,fffffd806d7e7100,0) at rtm_sendup+0xef route_input(fffffd806d7e7100,0,2) at route_input+0x489 rtm_send(fffffd806f4e8850,2,0,0) at rtm_send+0x18d rt_ifa_del(ffff800000a0c100,400004,ffff800000a0c168,0) at rt_ifa_del+0x3bb in_purgeaddr(ffff800000a0c100) at in_purgeaddr+0x114 in_ifdetach(ffff8000009d5000) at in_ifdetach+0x74 if_detach(ffff8000009d5000) at if_detach+0x140 tun_clone_destroy(ffff8000009d5000) at tun_clone_destroy+0x1f2 end trace frame: 0xffff800020f64fa0, 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_cache_item_magic_check: mbufpl cpu free list modified: item addr 0xfffffd806f2e7300+16 0x0!=0xa8a6ad40a76f4706 ddb{1}> trace db_enter() at db_enter+0x18 panic(ffffffff821f8577) at panic+0x15c pool_cache_get(ffffffff82655688) at pool_cache_get+0x323 pool_get(ffffffff82655688,2) at pool_get+0x91 m_get(2,3) at m_get+0x4c sbappendaddr(fffffd806f6db4b0,fffffd806f6db538,ffffffff82311bb8,fffffd806d7e7100,0) at sbappendaddr+0x2e9 rtm_sendup(fffffd806f6db4b0,fffffd806d7e7100,0) at rtm_sendup+0xef route_input(fffffd806d7e7100,0,2) at route_input+0x489 rtm_send(fffffd806f4e8850,2,0,0) at rtm_send+0x18d rt_ifa_del(ffff800000a0c100,400004,ffff800000a0c168,0) at rt_ifa_del+0x3bb in_purgeaddr(ffff800000a0c100) at in_purgeaddr+0x114 in_ifdetach(ffff8000009d5000) at in_ifdetach+0x74 if_detach(ffff8000009d5000) at if_detach+0x140 tun_clone_destroy(ffff8000009d5000) at tun_clone_destroy+0x1f2 tun_dev_close(5d00,7) at tun_dev_close+0x160 spec_close(ffff800020f65020) at spec_close+0x311 VOP_CLOSE(fffffd806e741688,7,fffffd807f7bf900,ffff800020e6c008) at VOP_CLOSE+0xc0 vn_closefile(fffffd806d0ca8f8,ffff800020e6c008) at vn_closefile+0xd7 fdrop(fffffd806d0ca8f8,ffff800020e6c008) at fdrop+0xc2 closef(fffffd806d0ca8f8,ffff800020e6c008) at closef+0x11c fdfree(ffff800020e6c008) at fdfree+0x101 exit1(ffff800020e6c008,0,9,1) at exit1+0x32c postsig(ffff800020e6c008,9) at postsig+0x4ed userret(ffff800020e6c008) at userret+0x199 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7f7ffffc20a0, count: -25 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800020f64770 rbx 0xffff800020f64820 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff813f10ef kprintf+0x16f r9 0x1 r10 0xb4b70ef486653522 r11 0x6cb45d5160bdedf4 r12 0x3000000008 r13 0xffff800020f64780 r14 0x100 r15 0x1 rip 0xffffffff81d6d978 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020f64760 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=487123 stat=onproc flags process=a proc=2000 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020e6d868,0xffffffff8266d478 process=0xffff800020e80b98 user=0xffff800020f60000, vmspace=0xfffffd807f000b80 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 46723 174841 70943 0 3 0x82 wait syz-execprog 46723 303483 70943 0 3 0x4000082 thrsleep syz-execprog 46723 210975 70943 0 3 0x4000082 thrsleep syz-execprog 46723 19707 70943 0 3 0x4000082 thrsleep syz-execprog 46723 250608 70943 0 3 0x4000082 kqread syz-execprog 46723 174532 70943 0 3 0x4000082 thrsleep syz-execprog 46723 398790 70943 0 3 0x4000082 thrsleep syz-execprog 46723 98399 70943 0 3 0x4000082 thrsleep syz-execprog 46723 445957 70943 0 3 0x4000082 thrsleep syz-execprog 70943 18172 40423 0 3 0x10008a pause ksh 40423 418648 17174 0 3 0x92 select sshd 61709 361933 1 0 3 0x100083 ttyin getty 17174 205143 1 0 3 0x80 select sshd 51591 60370 44820 74 3 0x100092 bpf pflogd 44820 147663 1 0 3 0x80 netio pflogd 95478 472467 17209 73 3 0x100090 kqread syslogd 17209 191317 1 0 3 0x100082 netio syslogd 29521 331142 1 77 3 0x100090 poll dhclient 62265 523595 1 0 3 0x80 poll dhclient 80487 462204 0 0 3 0x14200 bored smr 98778 63617 0 0 3 0x14200 pgzero zerothread 42211 487074 0 0 3 0x14200 aiodoned aiodoned 88171 111489 0 0 3 0x14200 syncer update 8058 519049 0 0 3 0x14200 cleaner cleaner 41385 454892 0 0 3 0x14200 reaper reaper 52250 34919 0 0 3 0x14200 pgdaemon pagedaemon 86300 45452 0 0 3 0x14200 bored crynlk 25074 423662 0 0 3 0x14200 bored crypto 17962 388517 0 0 3 0x40014200 acpi0 acpi0 73148 467567 0 0 3 0x40014200 idle1 31357 432997 0 0 3 0x14200 bored softnet 58286 457206 0 0 7 0x14200 systqmp 80035 277844 0 0 3 0x14200 bored systq 50781 367995 0 0 3 0x40014200 bored softclock 2782 74409 0 0 3 0x40014200 idle0 1 372168 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex art_heap4 r = 0 (0xffffffff82690ea8) #0 witness_lock+0x4c7 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b #3 pool_put+0x64 #4 art_table_gc+0x105 #5 taskq_thread+0x9c #6 proc_trampoline+0x1c Process 58286 (systqmp) thread 0xffff800020e18000 (457206) shared rwlock systqmp r = 0 (0xffffffff824defe0) #0 witness_lock+0x4c7 #1 taskq_thread+0x8f #2 proc_trampoline+0x1c 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 81 2K 2K 78643K 163 0 ifaddr 37 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 1809 196K 290K 78643K 12766 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 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 72 11K 12K 78643K 947 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 3033K 3097K 78643K 1868 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 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 2 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 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 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 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 145 0 1 10 0 10 10 0 8 0 art_table 32 146 0 1 2 0 2 2 0 8 0 art_node 16 33 0 5 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 3804 0 3804 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 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 79 0 0 10 0 10 10 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 95 0 0 6 0 6 6 0 8 0 bufpl 280 2978 0 132 204 0 204 204 0 8 0 anonpl 16 22302 0 20699 13 1 12 12 0 124 3 amapchunkpl 152 721 0 656 4 0 4 4 0 158 1 amappl16 192 138 0 109 2 0 2 2 0 8 0 amappl15 184 3 0 1 1 0 1 1 0 8 0 amappl14 176 32 0 27 1 0 1 1 0 8 0 amappl13 168 23 0 21 1 0 1 1 0 8 0 amappl12 160 13 0 10 2 1 1 1 0 8 0 amappl11 152 53 0 38 1 0 1 1 0 8 0 amappl10 144 22 0 20 1 0 1 1 0 8 0 amappl9 136 232 0 230 1 0 1 1 0 8 0 amappl8 128 277 0 269 1 0 1 1 0 8 0 amappl7 120 112 0 101 1 0 1 1 0 8 0 amappl6 112 23 0 20 2 1 1 1 0 8 0 amappl5 104 130 0 115 1 0 1 1 0 8 0 amappl4 96 498 0 471 1 0 1 1 0 8 0 amappl3 88 104 0 99 1 0 1 1 0 8 0 amappl2 80 914 0 855 2 0 2 2 0 8 0 amappl1 72 15148 0 14728 23 5 18 18 0 8 8 amappl 80 474 0 446 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 6386 0 6362 2 0 2 2 0 8 0 vmmpepl 168 32821 0 31897 76 4 72 72 0 357 30 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 113276 0 109310 104 0 104 104 0 265 69 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 3 7 0 7 7 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff82521ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xc6 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __sanitizer_cov_trace_const_cmp4(0,0) at __sanitizer_cov_trace_const_cmp4+0x11 msleep(ffffffff824def80,ffffffff824defa0,20,ffffffff82221be5,0) at msleep+0x70 taskq_next_work(ffffffff824def80,ffff800020e33178) at taskq_next_work+0xbe taskq_thread(ffffffff824def80) at taskq_thread+0xe5 end trace frame: 0x0, count: 8 ddb{0}> trace x86_ipi_db(ffffffff82521ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xc6 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __sanitizer_cov_trace_const_cmp4(0,0) at __sanitizer_cov_trace_const_cmp4+0x11 msleep(ffffffff824def80,ffffffff824defa0,20,ffffffff82221be5,0) at msleep+0x70 taskq_next_work(ffffffff824def80,ffff800020e33178) at taskq_next_work+0xbe taskq_thread(ffffffff824def80) at taskq_thread+0xe5 end trace frame: 0x0, count: -7 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 panic(ffffffff821f8577) at panic+0x15c pool_cache_get(ffffffff82655688) at pool_cache_get+0x323 pool_get(ffffffff82655688,2) at pool_get+0x91 m_get(2,3) at m_get+0x4c sbappendaddr(fffffd806f6db4b0,fffffd806f6db538,ffffffff82311bb8,fffffd806d7e7100,0) at sbappendaddr+0x2e9 rtm_sendup(fffffd806f6db4b0,fffffd806d7e7100,0) at rtm_sendup+0xef route_input(fffffd806d7e7100,0,2) at route_input+0x489 rtm_send(fffffd806f4e8850,2,0,0) at rtm_send+0x18d rt_ifa_del(ffff800000a0c100,400004,ffff800000a0c168,0) at rt_ifa_del+0x3bb in_purgeaddr(ffff800000a0c100) at in_purgeaddr+0x114 in_ifdetach(ffff8000009d5000) at in_ifdetach+0x74 if_detach(ffff8000009d5000) at if_detach+0x140 tun_clone_destroy(ffff8000009d5000) at tun_clone_destroy+0x1f2 end trace frame: 0xffff800020f64fa0, count: 0 ddb{1}> trace db_enter() at db_enter+0x18 panic(ffffffff821f8577) at panic+0x15c pool_cache_get(ffffffff82655688) at pool_cache_get+0x323 pool_get(ffffffff82655688,2) at pool_get+0x91 m_get(2,3) at m_get+0x4c sbappendaddr(fffffd806f6db4b0,fffffd806f6db538,ffffffff82311bb8,fffffd806d7e7100,0) at sbappendaddr+0x2e9 rtm_sendup(fffffd806f6db4b0,fffffd806d7e7100,0) at rtm_sendup+0xef route_input(fffffd806d7e7100,0,2) at route_input+0x489 rtm_send(fffffd806f4e8850,2,0,0) at rtm_send+0x18d rt_ifa_del(ffff800000a0c100,400004,ffff800000a0c168,0) at rt_ifa_del+0x3bb in_purgeaddr(ffff800000a0c100) at in_purgeaddr+0x114 in_ifdetach(ffff8000009d5000) at in_ifdetach+0x74 if_detach(ffff8000009d5000) at if_detach+0x140 tun_clone_destroy(ffff8000009d5000) at tun_clone_destroy+0x1f2 tun_dev_close(5d00,7) at tun_dev_close+0x160 spec_close(ffff800020f65020) at spec_close+0x311 VOP_CLOSE(fffffd806e741688,7,fffffd807f7bf900,ffff800020e6c008) at VOP_CLOSE+0xc0 vn_closefile(fffffd806d0ca8f8,ffff800020e6c008) at vn_closefile+0xd7 fdrop(fffffd806d0ca8f8,ffff800020e6c008) at fdrop+0xc2 closef(fffffd806d0ca8f8,ffff800020e6c008) at closef+0x11c fdfree(ffff800020e6c008) at fdfree+0x101 exit1(ffff800020e6c008,0,9,1) at exit1+0x32c postsig(ffff800020e6c008,9) at postsig+0x4ed userret(ffff800020e6c008) at userret+0x199 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7f7ffffc20a0, count: -25 ddb{1}>