kernel: page fault trap, code=10 Stopped at acpi_pdirpa+0xd55ea: uvm_fault(0xfffffd806c2a78b0, 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 *302718 27966 0 0 0x4000000 1K syz-executor 84839 97006 0 0 0 0 syz-executor db_read_bytes(e9779,1,ffff80002a0f7e44) 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,ffff80002a0f80e0) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80002a0f80e0) 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(ffff80002a0f83b8,fffffd806ee5f870,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd806ee5f858,fffffd806c1f9924,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd806ee5f858,fffffd806c1f9924,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd806ee5f858,fffffd806c1f9924,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff80002a0f84a8,fffffd806c1f9920,fffffd806ee5f7e0) at in_pcbselsrc+0x250 in_pcbconnect(fffffd806ee5f7e0,fffffd806c1f9900) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff800010fda2a8,fffffd806c1f9900) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff800032d862d0,ffff80002a0f86d0,ffff80002a0f8620) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 end trace frame: 0xffff80002a0f86c0, 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(0xfffffd806c2a78b0, 0xe9779, 0, 1) -> e ddb{1}> trace db_read_bytes(e9779,1,ffff80002a0f7e44) 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,ffff80002a0f80e0) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80002a0f80e0) 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(ffff80002a0f83b8,fffffd806ee5f870,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd806ee5f858,fffffd806c1f9924,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd806ee5f858,fffffd806c1f9924,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd806ee5f858,fffffd806c1f9924,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff80002a0f84a8,fffffd806c1f9920,fffffd806ee5f7e0) at in_pcbselsrc+0x250 in_pcbconnect(fffffd806ee5f7e0,fffffd806c1f9900) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff800010fda2a8,fffffd806c1f9900) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff800032d862d0,ffff80002a0f86d0,ffff80002a0f8620) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 syscall(ffff80002a0f86d0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0f86d0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5667b4248a0, count: -16 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a0f7e30 rbx 0x1 rdx 0xffff800001537640 rcx 0xffff800032d862d0 rax 0xffff800029b7bff0 r8 0xffff80002a0f7f60 r9 0x8080808080808080 r10 0x1044133c3c4f439c r11 0x7761c1b8a2e9e3ae r12 0x1 r13 0x1 r14 0xffff80002a0f7e45 r15 0xe977a acpi_pdirpa+0xd55eb rip 0xffffffff81ea16c0 db_read_bytes+0x110 cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff80002a0f7dd0 ss 0x10 db_read_bytes+0x110: movzbl 0xffffffffffffffff(%r15),%eax ddb{1}> show proc PROC (syz-executor) tid=302718 pid=27966 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800032d86a68,0xffff800032d86f88 process=0xffff800034792440 user=0xffff80002a0f3000, vmspace=0xfffffd806c2a78b0 estcpu=33, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 12577 274132 52885 0 2 0 syz-executor 12577 372529 52885 0 3 0x4000080 fsleep syz-executor 10398 158295 41690 0 2 0 syz-executor 10398 371941 41690 0 3 0x4000080 fsleep syz-executor 27966 114364 81879 0 2 0 syz-executor *27966 302718 81879 0 7 0x4000000 syz-executor 1812 63420 87845 0 2 0 syz-executor 1812 172713 87845 0 3 0x4000080 fsleep syz-executor 97006 84839 11524 0 7 0 syz-executor 97006 236939 11524 0 3 0x4000080 fsleep syz-executor 5729 498321 61847 0 2 0 syz-executor 70809 368872 61059 0 2 0x2 syz-executor 57904 319239 61059 0 3 0x82 nanoslp syz-executor 52885 327723 61059 0 3 0x82 nanoslp syz-executor 87845 151562 61059 0 3 0x82 nanoslp syz-executor 11524 518800 61059 0 3 0x82 nanoslp syz-executor 61847 352313 61059 0 2 0x2 syz-executor 81879 193499 61059 0 3 0x82 nanoslp syz-executor 41690 280773 61059 0 3 0x82 nanoslp syz-executor 670 466620 0 0 3 0x14200 acct acct 83262 355402 1 0 3 0x100083 ttyin getty 762 373787 0 0 3 0x14280 nfsidl nfsio 29604 117830 0 0 3 0x14280 nfsidl nfsio 72870 414784 0 0 3 0x14280 nfsidl nfsio 96315 29037 0 0 3 0x14280 nfsidl nfsio 68910 125892 0 0 3 0x14280 nfsidl nfsio 38403 506321 0 0 3 0x14280 nfsidl nfsio 820 294064 0 0 3 0x14280 nfsidl nfsio 71838 467002 0 0 3 0x14280 nfsidl nfsio 29226 316400 0 0 3 0x14280 nfsidl nfsio 97742 501954 0 0 3 0x14280 nfsidl nfsio 82856 276703 0 0 3 0x14280 nfsidl nfsio 63288 177265 0 0 3 0x14280 nfsidl nfsio 22003 26321 0 0 3 0x14280 nfsidl nfsio 60581 469239 0 0 3 0x14280 nfsidl nfsio 60778 367258 0 0 3 0x14280 nfsidl nfsio 97590 85246 0 0 3 0x14280 nfsidl nfsio 45658 205840 0 0 3 0x14280 nfsidl nfsio 26358 90205 0 0 3 0x14280 nfsidl nfsio 57635 235448 0 0 3 0x14280 nfsidl nfsio 1497 72202 0 0 3 0x14280 nfsidl nfsio 3698 199393 0 0 3 0x14200 bored sosplice 61059 523534 41649 0 3 0x82 kqread syz-executor 41649 11562 7235 0 3 0x10008a sigsusp ksh 7235 387058 10535 0 3 0x98 kqread sshd-session 10535 523096 60229 0 3 0x92 kqread sshd-session 60229 144903 1 0 3 0x88 kqread sshd 98778 54138 68465 74 3 0x1100092 bpf pflogd 68465 465747 1 0 3 0x80 sbwait pflogd 208 411100 49442 73 3 0x1100090 kqread syslogd 49442 76081 1 0 3 0x100082 sbwait syslogd 34158 111604 1 0 3 0x100080 kqread resolvd 35851 328248 71027 77 3 0x100092 kqread dhcpleased 81798 433476 71027 77 3 0x100092 kqread dhcpleased 71027 500732 1 0 3 0x80 kqread dhcpleased 28123 304337 0 0 3 0x14200 bored smr 56072 469881 0 0 2 0x14200 zerothread 7316 40997 0 0 3 0x14200 aiodoned aiodoned 93370 252954 0 0 3 0x14200 syncer update 47342 264940 0 0 3 0x14200 cleaner cleaner 17066 213943 0 0 3 0x14200 reaper reaper 57190 316130 0 0 3 0x14200 pgdaemon pagedaemon 61733 114311 0 0 3 0x14200 bored viomb 46846 412609 0 0 3 0x40014200 acpi0 acpi0 6876 454825 0 0 3 0x40014200 idle1 2985 256548 0 0 3 0x14200 bored softnet3 76877 173237 0 0 3 0x14200 bored softnet2 40206 43268 0 0 3 0x14200 bored softnet1 1030 142764 0 0 3 0x14200 bored softnet0 39406 250819 0 0 3 0x14200 bored systqmp 35787 370286 0 0 3 0x14200 bored systq 47598 174941 0 0 3 0x14200 tmoslp softclockmp 22701 316627 0 0 3 0x40014200 tmoslp softclock 48139 449169 0 0 3 0x40014200 idle0 1 242673 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 27966 (syz-executor) thread 0xffff800032d862d0 (302718) Process 97006 (syz-executor) thread 0xffff800032d87488 (84839) ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10206 14211K 14601K 166960K 14276 0 pcb 18 14K 15K 166960K 317 0 rtable 231 12K 12K 166960K 3110 0 pf 40 19K 23K 166960K 348 0 ifaddr 41 8K 9K 166960K 439 0 ifgroup 55 2K 2K 166960K 538 0 sysctl 4 1K 1K 166960K 6 0 counters 64 36K 37K 166960K 308 0 ioctlops 0 0K 8K 166960K 2037 0 iov 0 0K 25K 166960K 163 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1585 100K 100K 166960K 4522 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 46 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 89 0 dirhash 15 2K 3K 166960K 66 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 17 61K 93K 166960K 3630 0 sigio 0 0K 0K 166960K 83 0 proc 72 91K 128K 166960K 3357 0 subproc 104 6K 6K 166960K 1378 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 429 0 in_multi 87 6K 7K 166960K 1054 0 ether_multi 1 0K 0K 166960K 15 0 mrt 1 0K 0K 166960K 5 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 1867 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 230 65K 91K 166960K 29918 0 UVM aobj 14 2K 4K 166960K 18 0 pinsyscall 42 84K 106K 166960K 7036 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 145 0 NDP 12 0K 2K 166960K 313 0 temp 75 6824K 7074K 166960K 155250 0 kqueue 14 22K 30K 166960K 381 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 120 345 0 341 1 0 1 1 0 8 0 rtentry 112 1084 0 988 5 1 4 4 0 8 0 unpcb 144 1957 0 1940 20 16 4 4 0 8 3 syncache 336 15 0 15 7 7 0 1 0 8 0 tcpqe 32 5 0 5 4 4 0 1 0 8 0 tcpcb 808 915 0 909 26 25 1 8 0 8 0 arp 120 184 0 164 1 0 1 1 0 8 0 inpcb 336 3231 0 3221 39 37 2 7 0 8 1 nd6 136 295 0 273 1 0 1 1 0 8 0 pkpcb 40 11 0 11 7 6 1 1 0 8 1 kcovpl 48 105 0 98 1 0 1 1 0 8 0 ppxss 1168 14 0 14 8 8 0 1 0 8 0 pfstscr 40 4 0 4 3 3 0 1 0 8 0 pffrag 232 18 0 17 1 0 1 1 0 482 0 pffrnode 88 16 0 15 1 0 1 1 0 8 0 pffrent 40 122 0 121 1 0 1 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 8 0 3 1 0 1 1 0 8 0 pfanchor 1288 6 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfqueue 264 35 0 33 2 1 1 1 0 8 0 pfstitem 24 325 0 271 1 0 1 1 0 8 0 pfstkey 128 341 0 283 3 0 3 3 0 8 0 pfstate 376 330 0 277 10 3 7 8 0 8 0 pfrule 1344 40 0 26 3 1 2 2 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 4256 0 3866 40 15 25 30 0 8 0 art_table 32 4260 0 3866 4 0 4 4 0 8 0 art_node 16 1050 0 966 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 4 1 0 1 1 0 8 0 semapl 112 84 0 74 1 0 1 1 0 8 0 shmpl 112 15 0 4 2 1 1 1 0 8 0 dirhash 1024 54 0 35 3 0 3 3 0 8 0 dino2pl 256 5579 0 3899 106 0 106 106 0 8 0 ffsino 272 5579 0 3899 114 1 113 113 0 8 0 nchpl 144 9038 0 8373 66 38 28 66 0 8 0 uvmvnodes 80 7562 0 0 155 0 155 155 0 8 0 vnodes 216 7562 0 0 421 0 421 421 0 8 0 namei 1024 40755 0 40755 5 4 1 2 0 8 1 percpumem 16 168 0 122 1 0 1 1 0 8 0 pfiaddrpl 120 2 0 0 1 0 1 1 0 8 0 kstatmem 264 268 0 244 3 1 2 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 4 0 4 3 3 0 1 0 8 0 scxspl 216 64667 0 64666 15 14 1 8 1 8 0 plimitpl 152 1113 0 1094 1 0 1 1 0 8 0 sigapl 424 3793 0 3722 11 2 9 9 0 8 0 futexpl 64 41609 0 41605 7 6 1 1 0 8 0 knotepl 120 911 0 0 25 0 25 25 0 8 0 kqueuepl 216 782 0 772 10 9 1 5 0 8 0 pipepl 320 1094 0 1067 25 22 3 10 0 8 0 fdescpl 496 3732 0 3701 8 3 5 5 0 8 1 filepl 152 22066 0 21819 55 39 16 18 0 8 6 lockfpl 104 1073 0 1071 3 2 1 2 0 8 0 lockfspl 48 372 0 370 1 0 1 1 0 8 0 sessionpl 144 134 0 125 1 0 1 1 0 8 0 pgrppl 48 265 0 248 1 0 1 1 0 8 0 ucredpl 104 3522 0 3509 1 0 1 1 0 8 0 zombiepl 144 3957 0 3956 2 1 1 1 0 8 0 processpl 1160 3793 0 3722 7 1 6 6 0 8 0 procpl 648 7346 0 7270 13 5 8 8 0 8 0 srpgc 96 14 0 14 3 3 0 1 0 8 0 sosppl 168 20 0 20 7 7 0 1 0 8 0 sockpl 664 5645 0 5614 59 50 9 12 0 8 6 mcl64k 65536 10 0 0 2 0 2 2 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 10 0 0 2 0 2 2 0 8 0 mcl4k 4096 7 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 297 0 0 30 1 29 30 0 8 0 mtagpl 96 51 0 0 2 0 2 2 0 8 0 mbufpl 256 1439 0 0 76 0 76 76 0 8 0 bufpl 280 12263 0 4700 541 0 541 541 0 8 0 anonpl 24 483326 0 479508 157 109 48 79 0 185 10 amapchunkpl 152 95173 0 94673 83 56 27 33 0 158 7 amappl16 200 8322 0 8302 95 87 8 27 0 8 4 amappl15 192 7 0 7 2 2 0 1 0 8 0 amappl14 184 298 0 286 1 0 1 1 0 8 0 amappl13 176 28 0 28 2 2 0 1 0 8 0 amappl12 168 5800 0 5769 3 1 2 2 0 8 0 amappl11 160 52 0 38 1 0 1 1 0 8 0 amappl10 152 12 0 12 2 2 0 1 0 8 0 amappl9 144 156 0 155 1 0 1 1 0 8 0 amappl8 136 22 0 18 1 0 1 1 0 8 0 amappl7 128 283 0 270 1 0 1 1 0 8 0 amappl6 120 1056 0 1054 1 0 1 1 0 8 0 amappl5 112 515 0 503 1 0 1 1 0 8 0 amappl4 104 606 0 586 1 0 1 1 0 8 0 amappl3 96 19191 0 19079 4 0 4 4 0 8 0 amappl2 88 2039 0 1968 2 0 2 2 0 8 0 amappl1 80 25725 0 25159 16 3 13 14 0 8 0 amappl 88 28648 0 28479 6 1 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 dma512 512 1 0 1 1 1 0 1 0 8 0 dma256 256 7 0 7 2 2 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 20 0 19 1 0 1 1 0 8 0 aobjpl 72 17 0 4 1 0 1 1 0 8 0 uaddrrnd 24 3732 0 3701 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3732 0 3701 1 0 1 1 0 8 0 vmmpekpl 168 33674 0 33626 4 0 4 4 0 8 0 vmmpepl 168 230783 0 228936 146 61 85 102 0 357 3 vmsppl 440 3731 0 3701 6 2 4 5 0 8 0 rwobjpl 56 69056 0 60558 128 7 121 123 0 8 0 pdppl 4096 7471 0 7402 228 157 71 85 0 8 2 pvpl 32 33102 0 0 268 2 266 266 0 265 0 pmappl 248 3731 0 3701 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 697 0 259 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83439ff0) 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(ffffffff835ec8c0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ec8c0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 intr_handler(ffff80002a0e08b0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __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(ffffffff835ec8c0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ec8c0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x25 kd_curproc sys/dev/kcov.c:589 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x25 sys/dev/kcov.c:158 __mp_lock(ffffffff835ec8c0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ec8c0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 uvm_fault(fffffd806c2a7dd8,cfabd981000,0,1) at uvm_fault+0x1ed sys/uvm/uvm_fault.c:622 end trace frame: 0xffff80002a0e0d40, count: 0 ddb{0}> trace x86_ipi_db(ffffffff83439ff0) 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(ffffffff835ec8c0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ec8c0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 intr_handler(ffff80002a0e08b0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __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(ffffffff835ec8c0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ec8c0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x25 kd_curproc sys/dev/kcov.c:589 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x25 sys/dev/kcov.c:158 __mp_lock(ffffffff835ec8c0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ec8c0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 uvm_fault(fffffd806c2a7dd8,cfabd981000,0,1) at uvm_fault+0x1ed sys/uvm/uvm_fault.c:622 upageflttrap(ffff80002a0e0da0,cfabd981000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a0e0da0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x79e45e464b00, count: -17 ddb{0}> machine ddbcpu 1 Stopped at db_read_bytes+0x110: movzbl 0xffffffffffffffff(%r15),%eax db_read_bytes(e9779,1,ffff80002a0f7e44) 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,ffff80002a0f80e0) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80002a0f80e0) 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(ffff80002a0f83b8,fffffd806ee5f870,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd806ee5f858,fffffd806c1f9924,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd806ee5f858,fffffd806c1f9924,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd806ee5f858,fffffd806c1f9924,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff80002a0f84a8,fffffd806c1f9920,fffffd806ee5f7e0) at in_pcbselsrc+0x250 in_pcbconnect(fffffd806ee5f7e0,fffffd806c1f9900) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff800010fda2a8,fffffd806c1f9900) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff800032d862d0,ffff80002a0f86d0,ffff80002a0f8620) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 end trace frame: 0xffff80002a0f86c0, count: 0 ddb{1}> trace db_read_bytes(e9779,1,ffff80002a0f7e44) 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,ffff80002a0f80e0) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80002a0f80e0) 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(ffff80002a0f83b8,fffffd806ee5f870,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd806ee5f858,fffffd806c1f9924,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd806ee5f858,fffffd806c1f9924,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd806ee5f858,fffffd806c1f9924,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff80002a0f84a8,fffffd806c1f9920,fffffd806ee5f7e0) at in_pcbselsrc+0x250 in_pcbconnect(fffffd806ee5f7e0,fffffd806c1f9900) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff800010fda2a8,fffffd806c1f9900) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff800032d862d0,ffff80002a0f86d0,ffff80002a0f8620) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 syscall(ffff80002a0f86d0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0f86d0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5667b4248a0, count: -16