Warning: Permanently added '10.128.1.3' (ECDSA) to the list of known hosts. 2020/06/03 14:06:36 parsed 1 programs 2020/06/03 14:06:41 executed programs: 0 panic: pool_do_get: mbufpl free list modified: page 0xfffffd8071b52000; item addr 0xfffffd8071b52600; offset 0x0=0x0 != 0x865ab9781570e209 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 327697 90157 0 0x2 0x4000000 1 syz-execprog *248426 74984 0 0x14000 0x40000200 0K softclock db_enter() at db_enter+0x18 panic(ffffffff82276432) at panic+0x15c pool_do_get(ffffffff82666280,2,ffff800020e27318) at pool_do_get+0x439 pool_get(ffffffff82666280,2) at pool_get+0xeb m_gethdr(2,1) at m_gethdr+0x4c rtm_msg1(14,ffff800020e27428) at rtm_msg1+0x6e rtm_addr(14,ffff800000a0ca00) at rtm_addr+0x9b nd6_dad_timer(ffff800000a0ca00) at nd6_dad_timer+0x2f9 timeout_run(ffff800000a25830) at timeout_run+0xc4 softclock_thread(ffff800020e189c0) 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_do_get: mbufpl free list modified: page 0xfffffd8071b52000; item addr 0xfffffd8071b52600; offset 0x0=0x0 != 0x865ab9781570e209 ddb{0}> trace db_enter() at db_enter+0x18 panic(ffffffff82276432) at panic+0x15c pool_do_get(ffffffff82666280,2,ffff800020e27318) at pool_do_get+0x439 pool_get(ffffffff82666280,2) at pool_get+0xeb m_gethdr(2,1) at m_gethdr+0x4c rtm_msg1(14,ffff800020e27428) at rtm_msg1+0x6e rtm_addr(14,ffff800000a0ca00) at rtm_addr+0x9b nd6_dad_timer(ffff800000a0ca00) at nd6_dad_timer+0x2f9 timeout_run(ffff800000a25830) at timeout_run+0xc4 softclock_thread(ffff800020e189c0) at softclock_thread+0x16a end trace frame: 0x0, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800020e27160 rbx 0xffff800020e27210 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff81c317bf kprintf+0x16f r9 0x1 r10 0x2 r11 0xca8df94d40ffa4f2 r12 0x3000000008 r13 0xffff800020e27170 r14 0x100 r15 0x1 rip 0xffffffff81232738 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020e27150 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (softclock) pid=248426 stat=onproc flags process=14000 proc=40000200 pri=0, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff800020e19110,0xffff800020e184f0 process=0xffff800020e1ab88 user=0xffff800020e22000, vmspace=0xffffffff82676618 estcpu=1, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 38420 249401 90157 0 2 0x482 syz-executor.1 76271 197217 90157 0 3 0x82 nanosleep syz-executor.0 90157 350961 11370 0 3 0x82 thrsleep syz-execprog 90157 318853 11370 0 2 0x4000482 syz-execprog 90157 114614 11370 0 3 0x4000082 thrsleep syz-execprog 90157 55508 11370 0 3 0x4000082 thrsleep syz-execprog 90157 107160 11370 0 3 0x4000082 thrsleep syz-execprog 90157 6035 11370 0 3 0x4000082 kqread syz-execprog 90157 7568 11370 0 3 0x4000082 thrsleep syz-execprog 90157 80463 11370 0 3 0x4000082 thrsleep syz-execprog 90157 327697 11370 0 7 0x4000002 syz-execprog 90157 96049 11370 0 3 0x4000082 thrsleep syz-execprog 11370 199839 53877 0 3 0x10008a pause ksh 53877 56010 84459 0 3 0x92 select sshd 24706 460590 1 0 3 0x100083 ttyin getty 84459 203469 1 0 3 0x80 select sshd 49455 407613 25667 74 3 0x100092 bpf pflogd 25667 85272 1 0 3 0x80 netio pflogd 7844 269039 45931 73 3 0x100090 kqread syslogd 45931 407441 1 0 3 0x100082 netio syslogd 7221 232162 1 77 3 0x100090 poll dhclient 41901 103127 1 0 3 0x80 poll dhclient 53146 374479 0 0 3 0x14200 bored smr 92333 217542 0 0 3 0x14200 pgzero zerothread 51053 256380 0 0 3 0x14200 aiodoned aiodoned 93344 164724 0 0 3 0x14200 syncer update 98936 162534 0 0 3 0x14200 cleaner cleaner 15443 331318 0 0 3 0x14200 reaper reaper 59201 400845 0 0 3 0x14200 pgdaemon pagedaemon 912 182546 0 0 3 0x14200 bored crynlk 46435 350294 0 0 3 0x14200 bored crypto 33306 509086 0 0 3 0x40014200 acpi0 acpi0 51580 523557 0 0 3 0x40014200 idle1 54735 111043 0 0 3 0x14200 bored softnet 47325 382267 0 0 3 0x14200 bored systqmp 86073 216406 0 0 3 0x14200 bored systq *74984 248426 0 0 7 0x40014200 softclock 44872 229732 0 0 3 0x40014200 idle0 1 347962 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex mbufpl r = 0 (0xffffffff82666290) #0 witness_lock+0x4c7 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b #3 pool_get+0xbf #4 m_gethdr+0x4c #5 rtm_msg1+0x6e #6 rtm_addr+0x9b #7 nd6_dad_timer+0x2f9 #8 timeout_run+0xc4 #9 softclock_thread+0x16a #10 proc_trampoline+0x1c Process 90157 (syz-execprog) thread 0xffff800020e6c758 (327697) exclusive rwlock pslock r = 0 (0xffff800020ec84d0) #0 witness_lock+0x4c7 #1 thrsleep+0x36b #2 sys___thrsleep+0xb5 #3 syscall+0x4a4 #4 Xsyscall+0x128 Process 74984 (softclock) thread 0xffff800020e189c0 (248426) exclusive rwlock netlock r = 0 (0xffffffff82496048) #0 witness_lock+0x4c7 #1 nd6_dad_timer+0x34 #2 timeout_run+0xc4 #3 softclock_thread+0x16a #4 proc_trampoline+0x1c shared rwlock timeout r = 0 (0xffffffff8248b130) #0 witness_lock+0x4c7 #1 timeout_run+0xb9 #2 softclock_thread+0x16a #3 proc_trampoline+0x1c exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82686420) #0 witness_lock+0x4c7 #1 __mp_acquire_count+0x51 #2 mi_switch+0x392 #3 sleep_finish+0x113 #4 softclock_thread+0x103 #5 proc_trampoline+0x1c exclusive mutex mbufpl r = 0 (0xffffffff82666290) #0 witness_lock+0x4c7 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b #3 pool_get+0xbf #4 m_gethdr+0x4c #5 rtm_msg1+0x6e #6 rtm_addr+0x9b #7 nd6_dad_timer+0x2f9 #8 timeout_run+0xc4 #9 softclock_thread+0x16a #10 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9471 6398K 6398K 78643K 10564 0 pcb 13 8K 8K 78643K 13 0 rtable 105 3K 3K 78643K 199 0 ifaddr 44 10K 10K 78643K 124 0 counters 43 33K 33K 78643K 43 0 ioctlops 0 0K 4K 78643K 1469 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 1824 197K 290K 78643K 13058 0 file desc 3 8K 24K 78643K 112 0 proc 59 63K 95K 78643K 438 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 33 2K 2K 78643K 33 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 210 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 76 20K 20K 78643K 1085 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 10 0 temp 33 3029K 3093K 78643K 2123 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 6 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 19 0 17 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 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 280 116 0 110 1 0 1 1 0 8 0 nd6 48 6 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 12 0 0 1 0 1 1 0 8 0 pfstkey 112 12 0 0 1 0 1 1 0 8 0 pfstate 328 12 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 256 189 0 0 12 0 12 12 0 8 0 art_table 32 190 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1506 0 99 88 0 88 88 0 8 0 ffsino 272 1506 0 99 94 0 94 94 0 8 0 nchpl 144 1804 0 194 60 0 60 60 0 8 0 uvmvnodes 72 1516 0 0 28 0 28 28 0 8 0 vnodes 208 1516 0 0 80 0 80 80 0 8 0 namei 1024 4625 0 4625 1 0 1 1 0 8 1 percpumem 16 32 0 0 1 0 1 1 0 8 0 scxspl 192 4321 0 4321 2 1 1 2 0 8 1 plimitpl 152 16 0 8 1 0 1 1 0 8 0 sigapl 424 332 0 302 4 0 4 4 0 8 0 knotepl 112 59 0 42 1 0 1 1 0 8 0 kqueuepl 144 2 0 0 1 0 1 1 0 8 0 pipelkpl 48 81 0 71 1 0 1 1 0 8 0 pipepl 120 162 0 143 1 0 1 1 0 8 0 fdescpl 496 317 0 302 3 0 3 3 0 8 0 filepl 152 1300 0 1233 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 20 0 9 1 0 1 1 0 8 0 pgrppl 48 20 0 9 1 0 1 1 0 8 0 ucredpl 96 62 0 53 1 0 1 1 0 8 0 zombiepl 144 302 0 300 1 0 1 1 0 8 0 processpl 984 332 0 300 5 0 5 5 0 8 0 procpl 624 341 0 300 4 0 4 4 0 8 0 sockpl 400 164 0 146 3 0 3 3 0 8 1 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 80 0 0 10 0 10 10 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 140 0 0 8 0 8 8 0 8 0 mbufpl: pool(0xffffffff82666280:mbufpl): free list modified: page 0xfffffd8071b52000; item ordinal 0; addr 0xfffffd8071b52600 (p 0xfffffd806dfa8000); offset 0x0=0x0 pool(mbufpl): free list modified: page 0xfffffd8071b52000; item ordinal 0; addr 0xfffffd8071b52600 (p 0xfffffd806dfa8000); offset 0x0=0x0 mbufpl: pool(0xffffffff82666280:mbufpl): page inconsistency: page 0xfffffd8071b52000; item ordinal 1; addr 0xb9bdc7b57de66af9 bufpl 280 3075 0 133 211 0 211 211 0 8 0 anonpl 16 25062 0 23345 13 1 12 12 0 124 4 amapchunkpl 152 1178 0 1107 6 0 6 6 0 158 2 amappl16 192 474 0 435 3 0 3 3 0 8 0 amappl15 184 41 0 40 2 1 1 1 0 8 0 amappl14 176 26 0 23 1 0 1 1 0 8 0 amappl13 168 29 0 26 1 0 1 1 0 8 0 amappl12 160 10 0 9 1 0 1 1 0 8 0 amappl11 152 99 0 83 1 0 1 1 0 8 0 amappl10 144 23 0 20 1 0 1 1 0 8 0 amappl9 136 234 0 232 1 0 1 1 0 8 0 amappl8 128 292 0 283 1 0 1 1 0 8 0 amappl7 120 125 0 115 1 0 1 1 0 8 0 amappl6 112 66 0 63 2 1 1 1 0 8 0 amappl5 104 174 0 160 1 0 1 1 0 8 0 amappl4 96 555 0 528 1 0 1 1 0 8 0 amappl3 88 106 0 100 1 0 1 1 0 8 0 amappl2 80 1104 0 1041 2 0 2 2 0 8 0 amappl1 72 16679 0 16254 23 5 18 18 0 8 8 amappl 80 587 0 556 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 24 317 0 302 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 317 0 302 1 0 1 1 0 8 0 vmmpekpl 168 6576 0 6553 2 0 2 2 0 8 0 vmmpepl 168 37228 0 36266 80 8 72 72 0 357 27 vmsppl 368 316 0 302 2 0 2 2 0 8 0 pdppl 4096 642 0 604 6 0 6 6 0 8 0 pvpl 32 125411 0 121256 104 0 104 104 0 265 68 pmappl 232 316 0 302 2 0 2 2 0 8 1 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 238 0 3 7 0 7 7 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 panic(ffffffff82276432) at panic+0x15c pool_do_get(ffffffff82666280,2,ffff800020e27318) at pool_do_get+0x439 pool_get(ffffffff82666280,2) at pool_get+0xeb m_gethdr(2,1) at m_gethdr+0x4c rtm_msg1(14,ffff800020e27428) at rtm_msg1+0x6e rtm_addr(14,ffff800000a0ca00) at rtm_addr+0x9b nd6_dad_timer(ffff800000a0ca00) at nd6_dad_timer+0x2f9 timeout_run(ffff800000a25830) at timeout_run+0xc4 softclock_thread(ffff800020e189c0) at softclock_thread+0x16a end trace frame: 0x0, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020e00ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xc6 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82686218) at __mp_lock+0x127 sleep_setup(ffff800020f49690,ffff800020f49748,120,ffffffff82253806) at sleep_setup+0xcf rwsleep(ffff800020f49748,ffff800020ec84c0,120,ffffffff82253806,0) at rwsleep+0x81 thrsleep(ffff800020e6c758,ffff800020f49830) at thrsleep+0x3f2 sys___thrsleep(ffff800020e6c758,ffff800020f49830,ffff800020f49880) at sys___thrsleep+0xb5 syscall(ffff800020f49900) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc000069e38, count: 5 ddb{1}> trace x86_ipi_db(ffff800020e00ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xc6 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82686218) at __mp_lock+0x127 sleep_setup(ffff800020f49690,ffff800020f49748,120,ffffffff82253806) at sleep_setup+0xcf rwsleep(ffff800020f49748,ffff800020ec84c0,120,ffffffff82253806,0) at rwsleep+0x81 thrsleep(ffff800020e6c758,ffff800020f49830) at thrsleep+0x3f2 sys___thrsleep(ffff800020e6c758,ffff800020f49830,ffff800020f49880) at sys___thrsleep+0xb5 syscall(ffff800020f49900) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc000069e38, count: -10 ddb{1}>