Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 01 fault virtual address = 0x0 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff81a35ad3 stack pointer = 0x0:0xfffffe0056c8a1c0 frame pointer = 0x0:0xfffffe0056c8a6f0 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 2 (clock (0)) rdi: 0000000000000000 rsi: 0000000000000000 rdx: 000000000a844560 rcx: fffffe00033eee30 r8: 0000000000000000 r9: 00000000050080fe rax: fffffe00033eee30 rbx: fffffe006caf8de0 rbp: fffffe0056c8a6f0 r10: aa03000000000000 r11: 000000000000001f r12: fffffe0056c8a4c0 r13: fffffe0056c8a500 r14: 0000000000000000 r15: fffffe00829b6338 trap number = 12 panic: page fault cpuid = 1 time = 26 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056c898f0 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056c89a50 vpanic() at vpanic+0x280/frame 0xfffffe0056c89c10 panic() at panic+0xb5/frame 0xfffffe0056c89cd0 trap_fatal() at trap_fatal+0x7f2/frame 0xfffffe0056c89df0 trap_pfault() at trap_pfault+0x179/frame 0xfffffe0056c89f10 trap() at trap+0x648/frame 0xfffffe0056c8a0f0 calltrap() at calltrap+0x8/frame 0xfffffe0056c8a0f0 --- trap 0xc, rip = 0xffffffff81a35ad3, rsp = 0xfffffe0056c8a1c0, rbp = 0xfffffe0056c8a6f0 --- ip6_output() at ip6_output+0x30d3/frame 0xfffffe0056c8a6f0 sctp_lowlevel_chunk_output() at sctp_lowlevel_chunk_output+0x216c/frame 0xfffffe0056c8a9a0 sctp_send_initiate() at sctp_send_initiate+0x1591/frame 0xfffffe0056c8ab20 sctp_t1init_timer() at sctp_t1init_timer+0x66/frame 0xfffffe0056c8ab70 sctp_timeout_handler() at sctp_timeout_handler+0xb3b/frame 0xfffffe0056c8acb0 softclock_call_cc() at softclock_call_cc+0x395/frame 0xfffffe0056c8ae80 softclock_thread() at softclock_thread+0x200/frame 0xfffffe0056c8aef0 fork_exit() at fork_exit+0xcc/frame 0xfffffe0056c8af30 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0056c8af30 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- KDB: enter: panic [ thread pid 2 tid 100030 ] Stopped at kdb_enter+0x6e: movq $0,0x23e1347(%rip) db> set $lines = 0 db> set $maxwidth = 0 db> show registers cs 0x20 ds 0x3b es 0x3b fs 0x13 gs 0x1b ss 0 rax 0x12 rcx 0xfffffe00033eee30 rdx 0 rbx 0xffffffff82725700 .str.27 rsp 0xfffffe0056c89a30 rbp 0xfffffe0056c89a50 rsi 0 rdi 0xffffffff815d4e29 printf+0x149 r8 0 r9 0xffffffff r10 0 r11 0x17 r12 0xfffffe0007a19000 r13 0xfffffffffffffffd r14 0xffffffff82725700 .str.27 r15 0 rip 0xffffffff815becce kdb_enter+0x6e rflags 0x46 kdb_enter+0x6e: movq $0,0x23e1347(%rip) db> show proc Process 2 (clock) at 0xfffffe0007a06020: state: NORMAL uid: 0 gids: 0 parent: pid 0 at 0xffffffff8392a720 ABI: null flag: 0x10000284 flag2: 0 reaper: 0xffffffff8392a720 reapsubtree: 2 sigparent: 20 vmspace: 0xffffffff8392b6c0 (map 0xffffffff8392b6c0) (map.pmap 0xffffffff8392b780) (pmap 0xffffffff8392b7f0) threads: 2 100030 Run CPU 1 [clock (0)] 100031 I [clock (1)] db> ps pid ppid pgrp uid state wmesg wchan cmd 2470 1898 1898 0 S (threaded) syz-executor 101529 S nanslp 0xffffffff839813c0 syz-executor 102300 S sbwait 0xfffffe006b8cce0c syz-executor 102302 S uwait 0xfffffe0075c75400 syz-executor 2468 764 764 0 S (threaded) syz-executor 101119 S nanslp 0xffffffff839813c0 syz-executor 102296 S connec 0xfffffe006b67f0da syz-executor 102298 S uwait 0xfffffe00758b7a80 syz-executor 2463 1 1076 -1 SV uwait 0xfffffe0075c76880 syz-executor 2459 1 764 0 SV uwait 0xfffffe0058482300 syz-executor 2450 1 764 0 SV uwait 0xfffffe0058480480 syz-executor 2434 1 1076 0 SV uwait 0xfffffe0075c77600 syz-executor 2419 1 1076 0 S uwait 0xfffffe0058480c80 syz-executor 2412 1 764 0 SV uwait 0xfffffe0075c78180 syz-executor 2379 2378 764 0 SV uwait 0xfffffe0058481880 syz-executor 2378 1 764 0 DV ppwait 0xfffffe0007be5fc0 syz-executor 2374 2369 2083 0 S+ kqread 0xfffffe00757a4700 pwait 2369 2083 2083 0 S+ wait 0xfffffe0007be85c0 sh 2335 1 1076 0 SV uwait 0xfffffe00586fa080 syz-executor 2283 2282 764 0 SV uwait 0xfffffe00758b9400 syz-executor 2282 1 764 0 DV ppwait 0xfffffe005b7bc520 syz-executor 2202 2201 1076 0 SV uwait 0xfffffe0058482000 syz-executor 2201 2200 1076 0 DV ppwait 0xfffffe0007a08000 syz-executor 2200 1 1076 0 DV ppwait 0xfffffe005b741000 syz-executor 2101 1 766 0 SV uwait 0xfffffe0058481d80 syz-executor 2087 2086 2083 0 S+ nanslp 0xffffffff839813c0 sleep 2086 2083 2083 0 S+ wait 0xfffffe0007a24000 sh 2083 1 2083 0 Ss+ wait 0xfffffe005b7f45c0 sh 2082 1 766 0 S uwait 0xfffffe0075746400 syz-executor 2061 1 1898 0 S uwait 0xfffffe0075746000 syz-executor 2049 1 1898 0 SV uwait 0xfffffe00586fa180 syz-executor 2047 1 764 0 SV aiowc 0xfffffe005b701908 syz-executor 2025 1 1076 0 S uwait 0xfffffe0075744000 syz-executor 2019 2017 766 0 SV uwait 0xfffffe0075745780 syz-executor 2017 1 766 0 DV ppwait 0xfffffe005b787aa0 syz-executor 2003 1 1076 0 SV uwait 0xfffffe00586fa780 syz-executor 1993 1 766 0 S uwait 0xfffffe0058481580 syz-executor 1988 1 1898 0 S uwait 0xfffffe00586faa80 syz-executor 1969 1 764 0 S uwait 0xfffffe0075c76980 syz-executor 1968 1967 1898 0 SV uwait 0xfffffe005422e580 syz-executor 1967 1 1898 0 DV ppwait 0xfffffe005b703000 syz-executor 1955 1 1898 0 S uwait 0xfffffe00586faf00 syz-executor 1951 1 1076 0 S uwait 0xfffffe0058480080 syz-executor 1943 1 764 0 S uwait 0xfffffe005422e880 syz-executor 1928 1 1076 0 S uwait 0xfffffe0075747380 syz-executor 1918 1 1898 0 SV uwait 0xfffffe0075746e00 syz-executor 1916 1 764 0 SV uwait 0xfffffe0075c77200 syz-executor 1908 1 1076 0 SV uwait 0xfffffe0075745080 syz-executor 1898 763 1898 0 S nanslp 0xffffffff839813c0 syz-executor 1885 1 1076 0 SV uwait 0xfffffe0075c76780 syz-executor 1884 1 1884 0 S uwait 0xfffffe00586fdd80 syz-executor 1870 1 1076 0 S uwait 0xfffffe00586fd380 syz-executor 1848 1 766 0 S uwait 0xfffffe00758b8b80 syz-executor 1832 1 1831 0 SV uwait 0xfffffe0075c77f00 syz-executor 1818 1817 764 0 SV uwait 0xfffffe00586fda80 syz-executor 1817 1816 764 0 DV ppwait 0xfffffe005b7df520 syz-executor 1816 1 764 0 DV ppwait 0xfffffe0076200500 syz-executor 1811 1 764 0 S uwait 0xfffffe0075744e00 syz-executor 1791 1 766 0 S uwait 0xfffffe0075c77b00 syz-executor 1789 1 1076 0 SV uwait 0xfffffe0075c77900 syz-executor 1780 1779 1076 0 SV uwait 0xfffffe00586fd780 syz-executor 1779 1 1076 0 DV ppwait 0xfffffe005b7e1000 syz-executor 1772 1 1076 0 S uwait 0xfffffe0075744300 syz-executor 1767 1 766 0 SV uwait 0xfffffe00586fd480 syz-executor 1752 1 1076 0 SV uwait 0xfffffe00758b8c80 syz-executor 1747 1746 766 0 SV uwait 0xfffffe0075745380 syz-executor 1746 1745 766 0 DV ppwait 0xfffffe005b7cafe0 syz-executor 1745 1 766 0 DV ppwait 0xfffffe005b7cb540 syz-executor 1735 1 764 0 SV uwait 0xfffffe00586fde80 syz-executor 1727 1726 1076 0 SV connec 0xfffffe006b8d94da syz-executor 1726 1 1076 0 DV ppwait 0xfffffe005b7bd540 syz-executor 1715 1 766 0 S uwait 0xfffffe00758b8e80 syz-executor 1712 1 766 0 S uwait 0xfffffe00758b8180 syz-executor 1711 1 766 0 S uwait 0xfffffe00758b8d80 syz-executor 1707 1 766 0 S uwait 0xfffffe0075744600 syz-executor 1704 1 766 0 S uwait 0xfffffe0075746500 syz-executor 1698 1 764 0 SV uwait 0xfffffe0075745c80 syz-executor 1696 1 764 0 S uwait 0xfffffe00586fa580 syz-executor 1694 1 764 0 S uwait 0xfffffe0058483d00 syz-executor 1687 1 766 0 S uwait 0xfffffe0075744b00 syz-executor 1672 1671 1076 0 SV uwait 0xfffffe0075744a00 syz-executor 1671 1 1076 0 DV ppwait 0xfffffe005b7bba60 syz-executor 1668 1 764 0 SV uwait 0xfffffe00758b8780 syz-executor 1660 1 764 0 SV uwait 0xfffffe0075744800 syz-executor 1658 1 1076 0 S uwait 0xfffffe00758b8880 syz-executor 1654 1 766 0 S uwait 0xfffffe00758b8a80 syz-executor 1650 1 766 0 SV connec 0xfffffe006b8da4da syz-executor 1641 1 764 0 SV connec 0xfffffe006b8e08da syz-executor 1638 1 1076 0 S uwait 0xfffffe005422e300 syz-executor 1618 1 1076 0 S uwait 0xfffffe0058483e00 syz-executor 1616 1 1076 0 S uwait 0xfffffe0075746100 syz-executor 1615 1 1076 0 S uwait 0xfffffe0075745580 syz-executor 1604 1 766 0 S uwait 0xfffffe0075744900 syz-executor 1601 1 766 0 S uwait 0xfffffe0075745680 syz-executor 1599 1 1076 0 SV uwait 0xfffffe0075744f00 syz-executor 1594 1 764 0 S uwait 0xfffffe0075745280 syz-executor 1581 1 766 0 S uwait 0xfffffe0075745d80 syz-executor 1572 1 766 0 S uwait 0xfffffe005422e200 syz-executor 1570 1 766 0 S uwait 0xfffffe0075745480 syz-executor 1565 1 766 0 S uwait 0xfffffe0075744700 syz-executor 1561 1 1076 0 S uwait 0xfffffe0075746d00 syz-executor 1540 1 1076 0 S uwait 0xfffffe00758b9200 syz-executor 1537 1 766 0 S uwait 0xfffffe0075745180 syz-executor 1495 1 764 0 S uwait 0xfffffe0075745b80 syz-executor 1487 1 766 0 S uwait 0xfffffe0075745a80 syz-executor 1478 1 766 0 S uwait 0xfffffe0075746600 syz-executor 1474 1 764 0 S uwait 0xfffffe00586fa980 syz-executor 1472 1 766 0 T uwait 0xfffffe0075746300 syz-executor 1449 1 1076 0 T uwait 0xfffffe0075746c00 syz-executor 1441 1 1076 0 S uwait 0xfffffe0075746200 syz-executor 1429 1 1076 0 S uwait 0xfffffe0058480f00 syz-executor 1413 1 1076 0 S uwait 0xfffffe005422e480 syz-executor 1406 1 764 0 SV uwait 0xfffffe0058483280 syz-executor 1405 1 1076 0 SV uwait 0xfffffe0058482200 syz-executor 1387 1 1076 0 T uwait 0xfffffe0075745e80 syz-executor 1383 1 764 0 S uwait 0xfffffe0075747280 syz-executor 1371 1 764 0 SV uwait 0xfffffe0058483380 syz-executor 1369 1 764 0 T uwait 0xfffffe005422ee00 syz-executor 1363 1 766 0 SV uwait 0xfffffe005422eb80 syz-executor 1360 1 766 0 S uwait 0xfffffe0058483900 syz-executor 1355 1 766 0 S uwait 0xfffffe0058481680 syz-executor 1351 1 766 0 T syz-executor 1345 1 764 0 S uwait 0xfffffe0058480580 syz-executor 1339 1 766 0 S uwait 0xfffffe0058481c80 syz-executor 1329 1 766 0 SV uwait 0xfffffe0075746800 syz-executor 1324 1 764 0 SV uwait 0xfffffe0075746700 syz-executor 1309 1308 766 0 SV ksem 0xfffffe00598b4698 syz-executor 1308 1307 766 0 DV ppwait 0xfffffe005b6d0000 syz-executor 1307 1 766 0 DV ppwait 0xfffffe005b741ac0 syz-executor 1286 1 1076 0 S uwait 0xfffffe005422ef00 syz-executor 1285 1284 766 0 SV uwait 0xfffffe0058483c00 syz-executor 1284 1 766 0 DV ppwait 0xfffffe005b73e500 syz-executor 1265 1264 764 0 SV uwait 0xfffffe0075747080 syz-executor 1264 1 764 0 DV ppwait 0xfffffe005b740540 syz-executor 1240 1 1240 0 S uwait 0xfffffe00586fa680 syz-executor 1238 1 764 0 SV uwait 0xfffffe00586fba80 syz-executor 1214 1 764 0 SV uwait 0xfffffe00586fae00 syz-executor 1209 1 766 0 SV uwait 0xfffffe0058480680 syz-executor 1203 1 1076 0 SV sbwait 0xfffffe006b69fa0c syz-executor 1191 1 1076 0 SV uwait 0xfffffe005422ea80 syz-executor 1186 1 1076 0 S uwait 0xfffffe00586fb080 syz-executor 1185 1 766 0 SV uwait 0xfffffe00586fa280 syz-executor 1173 1172 764 0 SV uwait 0xfffffe00586fc980 syz-executor 1172 1171 764 0 DV ppwait 0xfffffe005b724fe0 syz-executor 1171 1 764 0 DV ppwait 0xfffffe005b6cda60 syz-executor 1161 1 1076 0 SV uwait 0xfffffe00586fbd80 syz-executor 1156 1 766 0 SV sbwait 0xfffffe006b6ad60c syz-executor 1138 1 766 0 S uwait 0xfffffe0058483b00 syz-executor 1135 1 766 0 S umtxn 0xfffffe00586fa480 syz-executor 1134 1 1076 0 SV uwait 0xfffffe0058483600 syz-executor 1109 1103 1109 0 Ss select 0xfffffe005847dcc0 dhclient 1106 1 1106 0 Ss select 0xfffffe0058712040 dhclient 1103 1095 424 65 S select 0xfffffe005847e2c0 dhclient 1097 1 766 0 SV uwait 0xfffffe0058480d80 syz-executor 1095 424 424 0 S wait 0xfffffe005b6eb5c0 sh 1076 763 1076 0 S piperd 0xfffffe00750225c0 syz-executor 1048 1 766 0 S uwait 0xfffffe005422ec80 syz-executor 1017 1 764 0 S uwait 0xfffffe0058481480 syz-executor 959 1 764 0 SV uwait 0xfffffe00586fad00 syz-executor 942 0 0 0 DL mdwait 0xfffffe00597ed000 [md2] 925 0 0 0 DL mdwait 0xfffffe006b6cf000 [md1] 917 1 766 0 SV uwait 0xfffffe0058480380 syz-executor 907 0 0 0 DL mdwait 0xfffffe00079df000 [md0] 888 1 766 0 S uwait 0xfffffe00586fb380 syz-executor 815 0 0 0 DL aiordy 0xfffffe005b6ea5a0 [aiod4] 814 0 0 0 DL aiordy 0xfffffe005b6eab00 [aiod3] 813 0 0 0 DL aiordy 0xfffffe005b6ab5a0 [aiod2] 812 0 0 0 DL aiordy 0xfffffe005b6abb00 [aiod1] 811 1 764 0 SV uwait 0xfffffe0058480780 syz-executor 766 763 766 0 S piperd 0xfffffe006b6125c0 syz-executor 764 763 764 0 S nanslp 0xffffffff839813c0 syz-executor 763 761 761 0 S nanslp 0xffffffff839813c0 syz-executor 761 759 761 0 Ss pause 0xfffffe005b6cdb70 csh 759 1 759 0 Ss select 0xfffffe005847dd40 sshd 495 1 495 0 Ss select 0xfffffe0058713940 syslogd 424 1 424 0 Ss wait 0xfffffe0007be7040 devd 423 1 423 65 Ss select 0xfffffe005847e340 dhclient 338 1 338 0 Ss select 0xfffffe005847e840 dhclient 335 1 335 0 Ss select 0xfffffe0058713f40 dhclient 17 0 0 0 DL syncer 0xffffffff83a9ebe0 [syncer] 16 0 0 0 DL vlruwt 0xfffffe0007a27060 [vnlru] 15 0 0 0 DL (threaded) [bufdaemon] 100081 D psleep 0xffffffff83a9d1a0 [bufdaemon] 100084 D - 0xffffffff82e02140 [bufspacedaemon-0] 100095 D sdflush 0xfffffe00580144e8 [/ worker] 9 0 0 0 DL psleep 0xffffffff83ae88a0 [vmdaemon] 8 0 0 0 DL (threaded) [pagedaemon] 100079 D psleep 0xffffffff83ace838 [dom0] 100082 D launds 0xffffffff83ace844 [laundry: dom0] 100083 D umarcl 0xffffffff81d73860 [uma] 7 0 0 0 DL - 0xffffffff836feb70 [rand_harvestq] 6 0 0 0 DL pftm 0xffffffff841bf9d0 [pf purge] 5 0 0 0 DL waiting 0xffffffff8472ea00 [sctp_iterator] 4 0 0 0 DL (threaded) [cam] 100045 D - 0xffffffff836c9340 [doneq0] 100046 D - 0xffffffff836c92c0 [async] 100077 D - 0xffffffff836c9140 [scanner] 3 0 0 0 DL (threaded) [crypto] 100042 D crypto_ 0xffffffff83aca020 [crypto] 100043 D crypto_ 0xfffffe0057f77030 [crypto returns 0] 100044 D crypto_ 0xfffffe0057f77080 [crypto returns 1] 14 0 0 0 DL seqstat 0xfffffe00085f6488 [sequencer 00] 13 0 0 0 DL (threaded) [geom] 100036 D - 0xffffffff83929d40 [g_event] 100037 D - 0xffffffff83929d60 [g_up] 100038 D - 0xffffffff83929d80 [g_down] 2 0 0 0 RL (threaded) [clock] 100030 Run CPU 1 [clock (0)] 100031 I [clock (1)] 12 0 0 0 WL (threaded) [intr] 100012 I [swi6: task queue] 100013 I serialport: VM disconnected.