Warning: Permanently added '10.128.1.32' (ECDSA) to the list of known hosts. 2019/09/28 21:49:52 parsed 1 programs 2019/09/28 21:49:58 executed programs: 0 panic: pool_cache_item_magic_check: mbufpl cpu free list modified: item addr 0xfffffd806d29e300+16 0x0!=0x665462a37070b2fb Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 385710 96096 0 0x2 0x4000000 1 syz-execprog *289659 23596 0 0x14000 0x40000200 0K softclock db_enter() at db_enter+0x18 panic() at panic+0x15c pool_cache_get(ffffffff826477d8) at pool_cache_get+0x323 pool_get() at pool_get+0x91 m_get(2,1) at m_get+0x4c mld6_sendpkt(ffff800000a5f780,83,0) at mld6_sendpkt+0xaf mld6_fasttimeo() at mld6_fasttimeo+0x162 pffasttimo(ffffffff82524400) at pffasttimo+0x85 timeout_run(ffffffff82524400) at timeout_run+0xc4 softclock_thread(ffff800020a10ed0) at softclock_thread+0x16a end trace frame: 0x0, count: 5 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic pool_cache_item_magic_check: mbufpl cpu free list modified: item addr 0xfffffd806d29e300+16 0x0!=0x665462a37070b2fb ddb{0}> trace db_enter() at db_enter+0x18 panic() at panic+0x15c pool_cache_get(ffffffff826477d8) at pool_cache_get+0x323 pool_get() at pool_get+0x91 m_get(2,1) at m_get+0x4c mld6_sendpkt(ffff800000a5f780,83,0) at mld6_sendpkt+0xaf mld6_fasttimeo() at mld6_fasttimeo+0x162 pffasttimo(ffffffff82524400) at pffasttimo+0x85 timeout_run(ffffffff82524400) at timeout_run+0xc4 softclock_thread(ffff800020a10ed0) at softclock_thread+0x16a end trace frame: 0x0, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800020a253c0 rbx 0xffff800020a25470 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff81bc379f kprintf+0x16f r9 0x1 r10 0xcb23b793d2a6687c r11 0xdfdb77ff8ccaeb73 r12 0x3000000008 r13 0xffff800020a253d0 r14 0x100 r15 0x1 rip 0xffffffff819d3248 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020a253b0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (softclock) pid=289659 stat=onproc flags process=14000 proc=40000200 pri=0, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020a11638,0xffff800020a10c68 process=0xffff800020a12a80 user=0xffff800020a20000, vmspace=0xffffffff8262f830 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 34497 488860 96096 0 2 0x482 syz-executor.0 96096 3795 84176 0 3 0x82 kqread syz-execprog 96096 385710 84176 0 7 0x4000002 syz-execprog 96096 165935 84176 0 3 0x4000082 thrsleep syz-execprog 96096 67398 84176 0 3 0x4000082 thrsleep syz-execprog 96096 122768 84176 0 3 0x4000082 thrsleep syz-execprog 96096 438543 84176 0 3 0x4000082 thrsleep syz-execprog 96096 205415 84176 0 3 0x4000082 thrsleep syz-execprog 96096 48087 84176 0 3 0x4000082 thrsleep syz-execprog 96096 414759 84176 0 2 0x4000482 syz-execprog 84176 91174 68483 0 3 0x10008a pause ksh 68483 7600 71978 0 3 0x92 select sshd 39062 432142 1 0 3 0x100083 ttyin getty 71978 169383 1 0 3 0x80 select sshd 59427 61790 43896 74 3 0x100092 bpf pflogd 43896 371800 1 0 3 0x80 netio pflogd 39191 440699 79435 73 3 0x100090 kqread syslogd 79435 462662 1 0 3 0x100082 netio syslogd 70438 300650 1 77 3 0x100090 poll dhclient 70998 313077 1 0 3 0x80 poll dhclient 28777 57322 0 0 3 0x14200 pgzero zerothread 1122 229228 0 0 3 0x14200 aiodoned aiodoned 67347 452107 0 0 3 0x14200 syncer update 2434 27770 0 0 3 0x14200 cleaner cleaner 94472 305374 0 0 3 0x14200 reaper reaper 93279 244280 0 0 3 0x14200 pgdaemon pagedaemon 2801 15393 0 0 3 0x14200 bored crynlk 76346 28895 0 0 3 0x14200 bored crypto 44053 498739 0 0 3 0x40014200 acpi0 acpi0 2555 469218 0 0 3 0x40014200 idle1 97538 395794 0 0 3 0x14200 bored softnet 8709 130737 0 0 3 0x14200 bored systqmp 96692 322570 0 0 3 0x14200 bored systq *23596 289659 0 0 7 0x40014200 softclock 37879 358901 0 0 3 0x40014200 idle0 10405 124647 0 0 3 0x14200 bored smr 1 387424 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 23596 (softclock) thread 0xffff800020a10ed0 (289659) exclusive rwlock netlock r = 0 (0xffffffff8248ce38) #0 witness_lock+0x52e #1 mld6_fasttimeo+0x1d #2 pffasttimo+0x85 #3 timeout_run+0xc4 #4 softclock_thread+0x16a #5 proc_trampoline+0x1c shared rwlock timeout r = 0 (0xffffffff824da9e0) #0 witness_lock+0x52e #1 timeout_run+0xb9 #2 softclock_thread+0x16a #3 proc_trampoline+0x1c exclusive kernel_lock &kernel_lock r = 0 (0xffffffff826721f8) #0 witness_lock+0x52e #1 __mp_acquire_count+0x51 #2 mi_switch+0x392 #3 sleep_finish+0x113 #4 softclock_thread+0x103 #5 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9457 6385K 6385K 78643K 10544 0 0 pcb 13 8K 8K 78643K 47 0 0 rtable 77 2K 2K 78643K 165 0 0 ifaddr 32 9K 9K 78643K 64 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1468 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1181 74K 74K 78643K 1186 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 1K 78643K 2 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 2 0K 0K 78643K 2 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12765 0 0 file desc 2 4K 12K 78643K 49 0 0 proc 59 63K 83K 78643K 384 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 in_multi 22 1K 1K 78643K 22 0 0 ether_multi 1 0K 0K 78643K 1 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 18 79K 79K 78643K 18 0 0 exec 0 0K 1K 78643K 199 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 71 12K 12K 78643K 988 0 0 UVM aobj 2 2K 2K 78643K 2 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 NDP 7 0K 0K 78643K 7 0 0 temp 48 3546K 3610K 78643K 3398 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 4 0 1 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 4 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 97 0 91 1 0 1 1 0 8 0 nd6 48 2 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 2 1 0 1 1 0 8 0 pfstkey 112 10 0 2 1 0 1 1 0 8 0 pfstate 328 10 0 2 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 256 168 0 2 11 0 11 11 0 8 0 art_table 32 169 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 dino1pl 128 1453 0 51 46 0 46 46 0 8 0 ffsino 272 1453 0 51 94 0 94 94 0 8 0 nchpl 144 1723 0 112 60 0 60 60 0 8 0 uvmvnodes 72 1463 0 0 27 0 27 27 0 8 0 vnodes 208 1463 0 0 77 0 77 77 0 8 0 namei 1024 4266 0 4266 2 1 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scxspl 192 4427 0 4427 8 1 7 7 0 8 7 plimitpl 152 15 0 8 1 0 1 1 0 8 0 sigapl 432 257 0 244 2 0 2 2 0 8 0 knotepl 112 39 0 28 1 0 1 1 0 8 0 kqueuepl 104 2 0 0 1 0 1 1 0 8 0 pipepl 112 154 0 141 2 1 1 1 0 8 0 fdescpl 488 258 0 244 3 0 3 3 0 8 0 filepl 152 1215 0 1157 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 144 244 0 243 2 1 1 1 0 8 0 processpl 896 273 0 243 4 0 4 4 0 8 0 procpl 632 281 0 243 4 0 4 4 0 8 0 sockpl 384 143 0 125 3 0 3 3 0 8 1 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 68 0 0 9 0 9 9 0 8 1 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 101 0 0 6 0 6 6 0 8 0 mbufpl: pool(0xffffffff826477d8:mbufpl): free list modified: page 0xfffffd806d29e000; item ordinal 0; addr 0xfffffd806d29ec00 (p 0xfffffd806d8a6000); offset 0x0=0x0 pool(mbufpl): free list modified: page 0xfffffd806d29e000; item ordinal 0; addr 0xfffffd806d29ec00 (p 0xfffffd806d8a6000); offset 0x0=0x0 mbufpl: pool(0xffffffff826477d8:mbufpl): page inconsistency: page 0xfffffd806d29e000; item ordinal 1; addr 0xa5a733de12f64787 bufpl 256 5918 0 1315 288 0 288 288 0 8 0 anonpl 16 23019 0 21292 15 2 13 13 0 124 6 amapchunkpl 152 792 0 727 5 0 5 5 0 158 1 amappl16 192 266 0 229 3 0 3 3 0 8 1 amappl15 184 9 0 7 1 0 1 1 0 8 0 amappl14 176 28 0 23 2 1 1 1 0 8 0 amappl13 168 1 0 1 1 0 1 1 0 8 1 amappl12 160 6 0 6 1 1 0 1 0 8 0 amappl11 152 55 0 40 1 0 1 1 0 8 0 amappl10 144 47 0 43 1 0 1 1 0 8 0 amappl9 136 459 0 454 1 0 1 1 0 8 0 amappl8 128 130 0 119 1 0 1 1 0 8 0 amappl7 120 67 0 62 1 0 1 1 0 8 0 amappl6 112 74 0 66 1 0 1 1 0 8 0 amappl5 104 129 0 115 1 0 1 1 0 8 0 amappl4 96 528 0 500 1 0 1 1 0 8 0 amappl3 88 116 0 110 1 0 1 1 0 8 0 amappl2 80 1014 0 954 4 1 3 3 0 8 1 amappl1 72 15401 0 14990 25 7 18 20 0 8 8 amappl 80 508 0 480 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 17 0 17 1 1 0 1 0 8 0 aobjpl 64 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 258 0 244 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 258 0 244 1 0 1 1 0 8 0 vmmpekpl 168 6488 0 6465 2 0 2 2 0 8 0 vmmpepl 168 33756 0 32832 88 8 80 80 0 357 38 vmsppl 368 257 0 244 2 0 2 2 0 8 0 pdppl 4096 523 0 488 6 0 6 6 0 8 1 pvpl 32 115648 0 111532 119 4 115 115 0 265 81 pmappl 232 257 0 244 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 428 0 4 13 0 13 13 0 8 0