kernel: page fault trap, code=10 Stopped at acpi_pdirpa+0xd55ea: uvm_fault(0xfffffd806cdcc6f8, 0xe9779, 0, 1) -> e kernel: page fault trap, code=0 Stopped at db_read_bytes+0x110: movzbl 0xffffffffffffffff(%r15),%eax TID PID UID PRFLAGS PFLAGS CPU COMMAND 143741 79309 0 0 0 0 syz-executor *186809 30727 0 0 0x4000000 1K syz-executor db_read_bytes(e9779,1,ffff8000371d06f4) at db_read_bytes+0x110 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(e9779,1,0) at db_get_value+0x59 db_disasm(e9779,0) at db_disasm+0x94 db_trap(6,10) at db_trap+0x181 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff8000371d0990) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff8000371d0990) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b acpi_pdirpa() at acpi_pdirpa+0xd55ea rt_clone(ffff8000371d0c68,fffffd8075110ca0,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd8075110c88,fffffd8069f22b24,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd8075110c88,fffffd8069f22b24,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd8075110c88,fffffd8069f22b24,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff8000371d0d58,fffffd8069f22b20,fffffd8075110c10) at in_pcbselsrc+0x250 in_pcbconnect(fffffd8075110c10,fffffd8069f22b00) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff800001346828,fffffd8069f22b00) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff8000323ea040,ffff8000371d0f80,ffff8000371d0ed0) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 end trace frame: 0xffff8000371d0f70, 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 *cpu1: uvm_fault(0xfffffd806cdcc6f8, 0xe9779, 0, 1) -> e ddb{1}> trace db_read_bytes(e9779,1,ffff8000371d06f4) at db_read_bytes+0x110 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(e9779,1,0) at db_get_value+0x59 db_disasm(e9779,0) at db_disasm+0x94 db_trap(6,10) at db_trap+0x181 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff8000371d0990) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff8000371d0990) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b acpi_pdirpa() at acpi_pdirpa+0xd55ea rt_clone(ffff8000371d0c68,fffffd8075110ca0,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd8075110c88,fffffd8069f22b24,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd8075110c88,fffffd8069f22b24,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd8075110c88,fffffd8069f22b24,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff8000371d0d58,fffffd8069f22b20,fffffd8075110c10) at in_pcbselsrc+0x250 in_pcbconnect(fffffd8075110c10,fffffd8069f22b00) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff800001346828,fffffd8069f22b00) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff8000323ea040,ffff8000371d0f80,ffff8000371d0ed0) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 syscall(ffff8000371d0f80) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371d0f80) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8ea87988c60, count: -16 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000371d06e0 rbx 0x1 rdx 0xffff800001285f00 rcx 0xffff8000323ea040 rax 0xffff800029b7bff0 r8 0xffff8000371d0810 r9 0x8080808080808080 r10 0x26048aac86d0f44 r11 0x6da1e9d2bbd912a2 r12 0x1 r13 0x1 r14 0xffff8000371d06f5 r15 0xe977a acpi_pdirpa+0xd55eb rip 0xffffffff82f30620 db_read_bytes+0x110 cs 0x8 rflags 0x10286 __ALIGN_SIZE+0xf286 rsp 0xffff8000371d0680 ss 0x10 db_read_bytes+0x110: movzbl 0xffffffffffffffff(%r15),%eax ddb{1}> show proc PROC (syz-executor) tid=186809 pid=30727 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a0571d8,0xffff8000323eaf80 process=0xffff8000324468d0 user=0xffff8000371cc000, vmspace=0xfffffd806cdcc6f8 estcpu=34, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 6113 495909 45309 0 2 0x2 ifconfig 57680 502560 28817 0 2 0x10 syz-executor 57680 292930 28817 0 3 0x4000090 fsleep syz-executor 57680 385803 28817 0 3 0x4000090 fsleep syz-executor 79309 143741 82208 0 7 0 syz-executor 79309 340403 82208 0 3 0x4000080 netcon syz-executor 45309 492219 13459 0 3 0x10008a sigsusp sh 42294 253611 39617 0 2 0 syz-executor 42294 385447 39617 0 3 0x4000080 fsleep syz-executor 30727 509501 37071 0 2 0 syz-executor *30727 186809 37071 0 7 0x4000000 syz-executor 41676 286484 70411 0 3 0x80 nanoslp syz-executor 41676 7621 70411 0 3 0x4000080 sbwait syz-executor 41676 421850 70411 0 3 0x4000080 fsleep syz-executor 23110 1097 73511 0 2 0 syz-executor 23110 500421 73511 0 3 0x4000080 fsleep syz-executor 23110 262218 73511 0 3 0x4000080 fsleep syz-executor 7427 380189 55076 0 3 0x80 nanoslp syz-executor 7427 270411 55076 0 3 0x4000080 kqread syz-executor 13459 233901 96296 0 3 0x82 wait syz-executor 82208 419168 96296 0 3 0x82 nanoslp syz-executor 39617 464122 96296 0 3 0x82 nanoslp syz-executor 37071 76029 96296 0 3 0x82 nanoslp syz-executor 73511 100641 96296 0 3 0x82 nanoslp syz-executor 28817 268065 96296 0 3 0x82 nanoslp syz-executor 55076 505058 96296 0 3 0x82 nanoslp syz-executor 70411 169169 96296 0 2 0x2 syz-executor 86267 235874 1 0 3 0x100083 ttyin getty 43268 350384 0 0 3 0x14280 nfsidl nfsio 30920 257587 0 0 3 0x14280 nfsidl nfsio 74843 176112 0 0 3 0x14280 nfsidl nfsio 91382 412564 0 0 3 0x14280 nfsidl nfsio 62082 109810 0 0 3 0x14280 nfsidl nfsio 44992 195042 0 0 3 0x14280 nfsidl nfsio 99503 39069 0 0 3 0x14280 nfsidl nfsio 6469 524160 0 0 3 0x14280 nfsidl nfsio 4382 339579 0 0 3 0x14280 nfsidl nfsio 50432 407003 0 0 3 0x14280 nfsidl nfsio 37340 54293 0 0 3 0x14280 nfsidl nfsio 97186 144859 0 0 3 0x14280 nfsidl nfsio 13984 290461 0 0 3 0x14280 nfsidl nfsio 35871 399407 0 0 3 0x14280 nfsidl nfsio 4566 29389 0 0 3 0x14280 nfsidl nfsio 93105 224400 0 0 3 0x14280 nfsidl nfsio 23311 431739 0 0 3 0x14280 nfsidl nfsio 84912 105664 0 0 3 0x14280 nfsidl nfsio 58627 34262 0 0 3 0x14280 nfsidl nfsio 53985 416532 0 0 3 0x14280 nfsidl nfsio 45469 216528 0 0 3 0x14200 bored sosplice 96296 221029 22161 0 3 0x82 kqread syz-executor 22161 490600 98098 0 3 0x10008a sigsusp ksh 98098 193719 56951 0 3 0x98 kqread sshd-session 56951 349090 46663 0 3 0x92 kqread sshd-session 46663 25795 1 0 3 0x88 kqread sshd 22359 138667 12783 74 3 0x1100092 bpf pflogd 12783 201519 1 0 3 0x80 sbwait pflogd 66670 427822 7284 73 3 0x1100090 kqread syslogd 7284 110328 1 0 3 0x100082 sbwait syslogd 47295 215667 1 0 3 0x100080 kqread resolvd 93953 80139 54923 77 3 0x100092 kqread dhcpleased 2202 471021 54923 77 3 0x100092 kqread dhcpleased 54923 35786 1 0 3 0x80 kqread dhcpleased 52769 149247 0 0 3 0x14200 bored smr 57731 398581 0 0 2 0x14200 zerothread 88979 1788 0 0 3 0x14200 aiodoned aiodoned 57972 521516 0 0 3 0x14200 syncer update 58944 46157 0 0 3 0x14200 cleaner cleaner 40720 113917 0 0 3 0x14200 reaper reaper 17898 41328 0 0 3 0x14200 pgdaemon pagedaemon 80041 159146 0 0 3 0x14200 bored viomb 10576 521044 0 0 3 0x40014200 acpi0 acpi0 90329 230783 0 0 3 0x40014200 idle1 78715 239571 0 0 3 0x14200 bored softnet3 67869 485913 0 0 3 0x14200 bored softnet2 84497 271579 0 0 3 0x14200 bored softnet1 60862 120196 0 0 3 0x14200 bored softnet0 56162 345854 0 0 3 0x14200 bored systqmp 10031 277327 0 0 3 0x14200 bored systq 9841 173305 0 0 3 0x14200 tmoslp softclockmp 84474 301016 0 0 3 0x40014200 tmoslp softclock 11808 431328 0 0 3 0x40014200 idle0 1 47860 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 30727 (syz-executor) thread 0xffff8000323ea040 (186809) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835771f0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rt_clone+0x72 #2 route_mpath+0x170 rt_match sys/net/route.c:360 [inline] #2 route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] #2 route_mpath+0x170 sys/net/route.c:255 #3 in_pcbselsrc+0x250 #4 in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 #5 tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 #6 sys_connect+0x345 sys/kern/uipc_syscalls.c:422 #7 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #7 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #8 Xsyscall+0x128 exclusive rwlock netlock r = 0 (0xffffffff8349ce70) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 sys_connect+0x27f sys/kern/uipc_syscalls.c:413 #2 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #2 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #3 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10203 11121K 11452K 166960K 12223 0 pcb 19 16K 18K 166960K 195 0 rtable 213 9K 9K 166960K 1809 0 pf 41 18K 26K 166960K 222 0 ifaddr 42 7K 8K 166960K 278 0 ifgroup 64 2K 2K 166960K 333 0 sysctl 3 1K 1K 166960K 3 0 counters 68 36K 37K 166960K 210 0 ioctlops 0 0K 4K 166960K 1648 0 iov 0 0K 16K 166960K 42 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1442 91K 91K 166960K 2763 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 16 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 161 0 dirhash 15 2K 3K 166960K 27 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 19 69K 93K 166960K 1582 0 sigio 0 0K 0K 166960K 14 0 proc 80 103K 128K 166960K 2135 0 subproc 104 6K 7K 166960K 871 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 157 0 in_multi 88 6K 7K 166960K 622 0 ether_multi 1 0K 0K 166960K 5 0 mrt 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 1175 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 236 72K 91K 166960K 13138 0 UVM aobj 35 4K 6K 166960K 46 0 pinsyscall 44 88K 104K 166960K 3993 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 66 0 NDP 14 0K 2K 166960K 190 0 temp 61 6820K 6945K 166960K 55026 0 kqueue 14 22K 29K 166960K 129 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 222 0 218 3 2 1 3 0 8 0 rtentry 112 643 0 550 4 1 3 4 0 8 0 unpcb 144 1057 0 1022 16 14 2 6 0 8 0 syncache 336 8 0 8 4 4 0 1 0 8 0 tcpqe 32 4 0 4 2 2 0 1 0 8 0 tcpcb 808 205 0 198 7 6 1 4 0 8 0 arp 120 112 0 94 1 0 1 1 0 8 0 inpcb 336 1182 0 1165 27 25 2 10 0 8 0 nd6 136 160 0 139 1 0 1 1 0 8 0 pkpcb 40 10 0 10 4 4 0 1 0 8 0 kcovpl 48 67 0 59 1 0 1 1 0 8 0 ppxss 1168 10 0 10 6 5 1 1 0 8 1 pffrag 232 5 0 5 1 1 0 1 0 482 0 pffrnode 88 3 0 3 1 1 0 1 0 8 0 pffrent 40 5 0 5 1 1 0 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 5 0 2 1 0 1 1 0 8 0 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pftag 88 2 0 1 1 0 1 1 0 8 0 pfstitem 24 142 0 106 1 0 1 1 0 8 0 pfstkey 128 143 0 107 2 0 2 2 0 8 0 pfstate 376 142 0 107 5 1 4 5 0 8 0 pfrule 1344 31 0 21 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 2589 0 2186 38 11 27 29 0 8 1 art_table 32 2591 0 2186 4 0 4 4 0 8 0 art_node 16 624 0 541 1 0 1 1 0 8 0 sysvmsgpl 40 76 0 71 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 157 0 147 1 0 1 1 0 8 0 shmpl 112 43 0 11 1 0 1 1 0 8 0 dirhash 1024 27 0 8 3 0 3 3 0 8 0 dino2pl 256 2914 0 1305 101 0 101 101 0 8 0 ffsino 272 2914 0 1305 108 0 108 108 0 8 0 nchpl 144 4129 0 3508 64 39 25 64 0 8 0 uvmvnodes 80 4167 0 0 86 0 86 86 0 8 0 vnodes 216 4167 0 0 232 0 232 232 0 8 0 namei 1024 18259 0 18259 8 7 1 2 0 8 1 percpumem 16 119 0 71 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 170 0 142 5 2 3 3 0 8 1 scxspl 216 33803 0 33803 11 10 1 8 1 8 1 plimitpl 152 208 0 191 1 0 1 1 0 8 0 sigapl 424 1790 0 1718 10 1 9 9 0 8 0 futexpl 64 10378 0 10372 7 6 1 1 0 8 0 knotepl 120 614 0 0 17 0 17 17 0 8 0 kqueuepl 216 257 0 247 1 0 1 1 0 8 0 pipepl 320 406 0 378 3 0 3 3 0 8 0 fdescpl 496 1751 0 1718 7 2 5 5 0 8 0 filepl 152 8371 0 8090 28 17 11 19 0 8 0 lockfpl 104 288 0 284 1 0 1 1 0 8 0 lockfspl 48 135 0 132 1 0 1 1 0 8 0 sessionpl 144 87 0 78 1 0 1 1 0 8 0 pgrppl 48 195 0 178 1 0 1 1 0 8 0 ucredpl 104 882 0 868 1 0 1 1 0 8 0 zombiepl 144 1905 0 1905 2 1 1 1 0 8 1 processpl 1160 1790 0 1718 7 1 6 6 0 8 0 procpl 648 2975 0 2893 10 2 8 8 0 8 0 srpgc 96 5 0 5 1 1 0 1 0 8 0 sosppl 168 5 0 5 3 3 0 1 0 8 0 sockpl 664 2480 0 2424 43 38 5 22 0 8 0 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 166 0 0 21 0 21 21 0 8 0 mcl2k 2048 40 0 0 4 0 4 4 0 8 0 mtagpl 96 10 0 0 1 0 1 1 0 8 0 mbufpl 256 1447 0 0 89 0 89 89 0 8 0 bufpl 280 8468 0 1624 489 0 489 489 0 8 0 anonpl 24 317353 0 313766 154 90 64 76 0 185 34 amapchunkpl 152 42998 0 42496 57 26 31 34 0 158 11 amappl16 200 6629 0 6606 44 42 2 17 0 8 0 amappl15 192 74 0 74 1 1 0 1 0 8 0 amappl14 184 217 0 205 1 0 1 1 0 8 0 amappl13 176 13 0 12 1 0 1 1 0 8 0 amappl12 168 3216 0 3183 3 1 2 2 0 8 0 amappl11 160 61 0 46 1 0 1 1 0 8 0 amappl10 152 44 0 44 1 1 0 1 0 8 0 amappl9 144 225 0 225 1 1 0 1 0 8 0 amappl8 136 25 0 22 1 0 1 1 0 8 0 amappl7 128 197 0 184 1 0 1 1 0 8 0 amappl6 120 707 0 703 1 0 1 1 0 8 0 amappl5 112 368 0 355 1 0 1 1 0 8 0 amappl4 104 467 0 448 1 0 1 1 0 8 0 amappl3 96 7782 0 7668 6 2 4 4 0 8 1 amappl2 88 1426 0 1353 2 0 2 2 0 8 0 amappl1 80 15828 0 15253 15 2 13 15 0 8 0 amappl 88 12348 0 12173 7 2 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 254 0 254 2 2 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 72 45 0 11 1 0 1 1 0 8 0 uaddrrnd 24 1751 0 1718 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1751 0 1718 1 0 1 1 0 8 0 vmmpekpl 168 16282 0 16231 4 0 4 4 0 8 0 vmmpepl 168 115314 0 113422 111 28 83 96 0 357 0 vmsppl 440 1750 0 1718 6 2 4 5 0 8 0 rwobjpl 56 39945 0 34794 76 3 73 73 0 8 0 pdppl 4096 3509 0 3436 200 127 73 85 0 8 0 pvpl 32 31679 0 0 255 0 255 255 0 265 0 pmappl 248 1750 0 1718 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 624 0 187 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8343eff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:158 __mp_lock(ffffffff83576fe8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83576fe8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x7a95d42538a0, count: 8 ddb{0}> trace x86_ipi_db(ffffffff8343eff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:158 __mp_lock(ffffffff83576fe8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83576fe8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x7a95d42538a0, count: -7 ddb{0}> machine ddbcpu 1 Stopped at db_read_bytes+0x110: movzbl 0xffffffffffffffff(%r15),%eax db_read_bytes(e9779,1,ffff8000371d06f4) at db_read_bytes+0x110 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(e9779,1,0) at db_get_value+0x59 db_disasm(e9779,0) at db_disasm+0x94 db_trap(6,10) at db_trap+0x181 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff8000371d0990) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff8000371d0990) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b acpi_pdirpa() at acpi_pdirpa+0xd55ea rt_clone(ffff8000371d0c68,fffffd8075110ca0,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd8075110c88,fffffd8069f22b24,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd8075110c88,fffffd8069f22b24,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd8075110c88,fffffd8069f22b24,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff8000371d0d58,fffffd8069f22b20,fffffd8075110c10) at in_pcbselsrc+0x250 in_pcbconnect(fffffd8075110c10,fffffd8069f22b00) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff800001346828,fffffd8069f22b00) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff8000323ea040,ffff8000371d0f80,ffff8000371d0ed0) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 end trace frame: 0xffff8000371d0f70, count: 0 ddb{1}> trace db_read_bytes(e9779,1,ffff8000371d06f4) at db_read_bytes+0x110 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(e9779,1,0) at db_get_value+0x59 db_disasm(e9779,0) at db_disasm+0x94 db_trap(6,10) at db_trap+0x181 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff8000371d0990) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff8000371d0990) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b acpi_pdirpa() at acpi_pdirpa+0xd55ea rt_clone(ffff8000371d0c68,fffffd8075110ca0,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd8075110c88,fffffd8069f22b24,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd8075110c88,fffffd8069f22b24,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd8075110c88,fffffd8069f22b24,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff8000371d0d58,fffffd8069f22b20,fffffd8075110c10) at in_pcbselsrc+0x250 in_pcbconnect(fffffd8075110c10,fffffd8069f22b00) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff800001346828,fffffd8069f22b00) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff8000323ea040,ffff8000371d0f80,ffff8000371d0ed0) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 syscall(ffff8000371d0f80) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371d0f80) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8ea87988c60, count: -16