Warning: Permanently added '10.128.0.30' (ECDSA) to the list of known hosts. 2020/06/25 01:56:35 parsed 1 programs 2020/06/25 01:56:40 executed programs: 0 login: panic: pool_do_get: mbufpl free list modified: page 0xfffffd806d75a000; item addr 0xfffffd806d75af00; offset 0x0=0x0 != 0xe018d8c21251afcc Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 184844 11644 0 0x2 0x4000480 1 syz-execprog *434129 40008 0 0x14000 0x40000200 0K softclock db_enter() at db_enter+0x18 panic(ffffffff8248f3fe) at panic+0x15c pool_do_get(ffffffff8291f248,2,ffff800020d974b8) at pool_do_get+0x439 pool_get(ffffffff8291f248,2) at pool_get+0xeb m_copyback(fffffd806d75ae00,80,20,ffff800000ac4de0,2) at m_copyback+0x4d7 rtm_msg1(14,ffff800020d97658) at rtm_msg1+0x1b2 rtm_addr(14,ffff800000aa1e00) at rtm_addr+0x9b nd6_dad_timer(ffff800000aa1e00) at nd6_dad_timer+0x2f9 timeout_run(ffff800000af1030) at timeout_run+0xc4 softclock_thread(ffff800020d895f0) 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 0xfffffd806d75a000; item addr 0xfffffd806d75af00; offset 0x0=0x0 != 0xe018d8c21251afcc ddb{0}> trace db_enter() at db_enter+0x18 panic(ffffffff8248f3fe) at panic+0x15c pool_do_get(ffffffff8291f248,2,ffff800020d974b8) at pool_do_get+0x439 pool_get(ffffffff8291f248,2) at pool_get+0xeb m_copyback(fffffd806d75ae00,80,20,ffff800000ac4de0,2) at m_copyback+0x4d7 rtm_msg1(14,ffff800020d97658) at rtm_msg1+0x1b2 rtm_addr(14,ffff800000aa1e00) at rtm_addr+0x9b nd6_dad_timer(ffff800000aa1e00) at nd6_dad_timer+0x2f9 timeout_run(ffff800000af1030) at timeout_run+0xc4 softclock_thread(ffff800020d895f0) at softclock_thread+0x16a end trace frame: 0x0, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800020d97300 rbx 0xffff800020d973b0 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff817e707f kprintf+0x16f r9 0x1 r10 0x2 r11 0x983b4aff6d289212 r12 0x3000000008 r13 0xffff800020d97310 r14 0x100 r15 0x1 rip 0xffffffff81354558 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020d972f0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (softclock) pid=434129 stat=onproc flags process=14000 proc=40000200 pri=0, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff800020d89860,0xffff800020d89120 process=0xffff800020d8a7b0 user=0xffff800020d92000, vmspace=0xffffffff828b11f0 estcpu=1, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 72490 38937 11644 0 2 0x482 syz-executor.0 11644 195254 13626 0 3 0x82 thrsleep syz-execprog 11644 4973 13626 0 2 0x4000482 syz-execprog 11644 355873 13626 0 3 0x4000082 thrsleep syz-execprog 11644 310902 13626 0 3 0x4000082 thrsleep syz-execprog 11644 184844 13626 0 7 0x4000482 syz-execprog 11644 441988 13626 0 3 0x4000082 thrsleep syz-execprog 11644 355222 13626 0 3 0x4000082 thrsleep syz-execprog 11644 395648 13626 0 3 0x4000082 thrsleep syz-execprog 11644 386756 13626 0 3 0x4000082 kqread syz-execprog 13626 320865 49187 0 3 0x10008a pause ksh 49187 59356 46551 0 3 0x92 select sshd 57084 377659 1 0 3 0x100083 ttyin getty 46551 152961 1 0 3 0x80 select sshd 95902 108149 14591 74 3 0x100092 bpf pflogd 14591 343377 1 0 3 0x80 netio pflogd 57946 133317 53206 73 3 0x100090 kqread syslogd 53206 333773 1 0 3 0x100082 netio syslogd 86226 285726 1 77 3 0x100090 poll dhclient 6693 469554 1 0 3 0x80 poll dhclient 92759 332 0 0 3 0x14200 bored smr 81011 282429 0 0 3 0x14200 pgzero zerothread 67502 335080 0 0 3 0x14200 aiodoned aiodoned 97033 243444 0 0 3 0x14200 syncer update 72325 218855 0 0 3 0x14200 cleaner cleaner 99497 148970 0 0 3 0x14200 reaper reaper 99931 257419 0 0 3 0x14200 pgdaemon pagedaemon 43787 36365 0 0 3 0x14200 bored crynlk 57865 152678 0 0 3 0x14200 bored crypto 82309 65912 0 0 3 0x40014200 acpi0 acpi0 65596 113199 0 0 3 0x40014200 idle1 89763 94378 0 0 3 0x14200 bored softnet 41271 200945 0 0 3 0x14200 bored systqmp 41362 115616 0 0 3 0x14200 bored systq *40008 434129 0 0 7 0x40014200 softclock 58087 512219 0 0 3 0x40014200 idle0 1 224433 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 (0xffffffff8291f258) #0 witness_lock+0x4c7 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b #3 pool_get+0xbf #4 m_copyback+0x4d7 #5 rtm_msg1+0x1b2 #6 rtm_addr+0x9b #7 nd6_dad_timer+0x2f9 #8 timeout_run+0xc4 #9 softclock_thread+0x16a #10 proc_trampoline+0x1c Process 40008 (softclock) thread 0xffff800020d895f0 (434129) exclusive rwlock netlock r = 0 (0xffffffff826fbc18) #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 (0xffffffff827172f0) #0 witness_lock+0x4c7 #1 timeout_run+0xb9 #2 softclock_thread+0x16a #3 proc_trampoline+0x1c exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828cb930) #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 (0xffffffff8291f258) #0 witness_lock+0x4c7 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b #3 pool_get+0xbf #4 m_copyback+0x4d7 #5 rtm_msg1+0x1b2 #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 9467 6396K 6396K 78643K 10560 0 pcb 13 8K 8K 78643K 13 0 rtable 83 2K 2K 78643K 163 0 ifaddr 37 9K 9K 78643K 80 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 1824 197K 290K 78643K 13058 0 file desc 2 4K 12K 78643K 59 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 73 12K 12K 78643K 990 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 3849K 3913K 78643K 1951 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 2 1 1 1 0 8 1 tcpcb 544 8 0 5 1 0 1 1 0 8 0 inpcb 296 75 0 69 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 6 1 0 1 1 0 8 0 pfstkey 112 10 0 6 1 0 1 1 0 8 0 pfstate 328 10 0 6 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 256 144 0 0 9 0 9 9 0 8 0 art_table 32 145 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 dino2pl 256 1465 0 63 88 0 88 88 0 8 0 ffsino 272 1465 0 63 94 0 94 94 0 8 0 nchpl 144 1725 0 121 60 0 60 60 0 8 0 uvmvnodes 72 1475 0 0 27 0 27 27 0 8 0 vnodes 208 1475 0 0 78 0 78 78 0 8 0 namei 1024 4394 0 4394 2 1 1 1 0 8 1 percpumem 16 31 0 0 1 0 1 1 0 8 0 scxspl 192 4853 0 4853 11 10 1 7 0 8 1 plimitpl 152 15 0 8 1 0 1 1 0 8 0 sigapl 424 282 0 253 4 0 4 4 0 8 0 knotepl 112 47 0 36 1 0 1 1 0 8 0 kqueuepl 144 2 0 0 1 0 1 1 0 8 0 pipelkpl 48 77 0 70 2 1 1 1 0 8 0 pipepl 120 154 0 141 2 1 1 1 0 8 0 fdescpl 496 267 0 253 3 0 3 3 0 8 0 filepl 152 1198 0 1140 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 144 253 0 252 2 1 1 1 0 8 0 processpl 984 282 0 252 5 0 5 5 0 8 1 procpl 624 290 0 252 4 0 4 4 0 8 1 sockpl 400 121 0 103 2 0 2 2 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 80 0 0 10 0 10 10 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 116 0 0 7 0 7 7 0 8 0 mbufpl: pool(0xffffffff8291f248:mbufpl): free list modified: page 0xfffffd806d75a000; item ordinal 0; addr 0xfffffd806d75af00 (p 0xfffffd806e669000); offset 0x0=0x0 pool(mbufpl): free list modified: page 0xfffffd806d75a000; item ordinal 0; addr 0xfffffd806d75af00 (p 0xfffffd806e669000); offset 0x0=0x0 mbufpl: pool(0xffffffff8291f248:mbufpl): page inconsistency: page 0xfffffd806d75a000; item ordinal 1; addr 0xbbb0c6c2abe89cce bufpl 280 3088 0 132 212 0 212 212 0 8 0 anonpl 16 23439 0 21787 14 2 12 12 0 124 4 amapchunkpl 152 824 0 758 4 0 4 4 0 158 0 amappl16 192 306 0 270 3 0 3 3 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 30 0 26 1 0 1 1 0 8 0 amappl13 168 65 0 62 2 1 1 1 0 8 0 amappl12 160 12 0 11 2 1 1 1 0 8 0 amappl11 152 51 0 36 1 0 1 1 0 8 0 amappl10 144 25 0 21 1 0 1 1 0 8 0 amappl9 136 228 0 227 1 0 1 1 0 8 0 amappl8 128 279 0 270 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 104 177 0 161 1 0 1 1 0 8 0 amappl4 96 539 0 513 1 0 1 1 0 8 0 amappl3 88 104 0 99 1 0 1 1 0 8 0 amappl2 80 944 0 887 2 0 2 2 0 8 0 amappl1 72 15826 0 15408 23 5 18 18 0 8 8 amappl 80 520 0 492 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 24 267 0 253 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 267 0 253 1 0 1 1 0 8 0 vmmpekpl 168 6403 0 6378 2 0 2 2 0 8 0 vmmpepl 168 34283 0 33351 81 9 72 72 0 357 30 vmsppl 368 266 0 253 2 0 2 2 0 8 0 pdppl 4096 541 0 506 6 0 6 6 0 8 1 pvpl 32 118214 0 114183 106 2 104 104 0 265 69 pmappl 232 266 0 253 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 234 0 4 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(ffffffff8248f3fe) at panic+0x15c pool_do_get(ffffffff8291f248,2,ffff800020d974b8) at pool_do_get+0x439 pool_get(ffffffff8291f248,2) at pool_get+0xeb m_copyback(fffffd806d75ae00,80,20,ffff800000ac4de0,2) at m_copyback+0x4d7 rtm_msg1(14,ffff800020d97658) at rtm_msg1+0x1b2 rtm_addr(14,ffff800000aa1e00) at rtm_addr+0x9b nd6_dad_timer(ffff800000aa1e00) at nd6_dad_timer+0x2f9 timeout_run(ffff800000af1030) at timeout_run+0xc4 softclock_thread(ffff800020d895f0) 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(ffff800020d70ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xc6 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff828cb728) at __mp_lock+0x12e __mp_acquire_count(ffffffff828cb728,1) at __mp_acquire_count+0x51 mi_switch() at mi_switch+0x392 sleep_finish(ffff800020e95970,1) at sleep_finish+0x113 sleep_finish_all(ffff800020e95970,1) at sleep_finish_all+0x32 tsleep(ffffffff82873530,120,ffffffff823edc83,2) at tsleep+0x1cc sys_nanosleep(ffff800020e41d50,ffff800020e95aa0,ffff800020e95af0) at sys_nanosleep+0x205 syscall(ffff800020e95b70) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc000043e40, count: 3 ddb{1}> trace x86_ipi_db(ffff800020d70ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xc6 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff828cb728) at __mp_lock+0x12e __mp_acquire_count(ffffffff828cb728,1) at __mp_acquire_count+0x51 mi_switch() at mi_switch+0x392 sleep_finish(ffff800020e95970,1) at sleep_finish+0x113 sleep_finish_all(ffff800020e95970,1) at sleep_finish_all+0x32 tsleep(ffffffff82873530,120,ffffffff823edc83,2) at tsleep+0x1cc sys_nanosleep(ffff800020e41d50,ffff800020e95aa0,ffff800020e95af0) at sys_nanosleep+0x205 syscall(ffff800020e95b70) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc000043e40, count: -12