kernel: page fault trap, code=10 Stopped at acpi_pdirpa+0x2863a: uvm_fault(0xfffffd806a7a4580, 0x3c7c9, 0, 1) -> e kernel: page fault trap, code=0 Stopped at db_read_bytes+0xd0: movzbl 0xffffffffffffffff(%r15),%eax TID PID UID PRFLAGS PFLAGS CPU COMMAND *203183 34854 0 0x8000000 0x4000000 0 syz-executor.6 db_read_bytes(3c7c9,1,ffff80002f592974) at db_read_bytes+0xd0 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(3c7c9,1,0) at db_get_value+0x50 sys/ddb/db_access.c:61 db_disasm(3c7c9,0) at db_disasm+0x82 db_trap(6,10) at db_trap+0x115 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff80002f592c10) at db_ktrap+0x1ab sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80002f592c10) at kerntrap+0x130 sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b acpi_pdirpa() at acpi_pdirpa+0x2863a rt_match(ffff80002f592ee8,fffffd806d5adee4,1,0) at rt_match+0xc3 rt_clone sys/net/route.c:383 [inline] rt_match(ffff80002f592ee8,fffffd806d5adee4,1,0) at rt_match+0xc3 sys/net/route.c:358 in_ouraddr(fffffd806d5ade00,ffff800000dd7000,ffff80002f592f78) at in_ouraddr+0xab sys/netinet/ip_input.c:779 ip_input_if(ffff80002f593028,ffff80002f593034,ffff80002dd52000,0,ffff800000dd7000) at ip_input_if+0x29b sys/netinet/ip_input.c:448 ipv4_input(ffff800000dd7000,fffffd806d5ade00) at ipv4_input+0x47 sys/netinet/ip_input.c:290 ether_input(ffff800000dd7000,fffffd806d5ade00) at ether_input+0x525 tun_dev_write(5d06,ffff80002f5933a8,ffff80002dd52000,2) at tun_dev_write+0x209 sys/net/if_tun.c:914 end trace frame: 0xffff80002f5931f0, 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> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic *cpu0: uvm_fault(0xfffffd806a7a4580, 0x3c7c9, 0, 1) -> e ddb> trace db_read_bytes(3c7c9,1,ffff80002f592974) at db_read_bytes+0xd0 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(3c7c9,1,0) at db_get_value+0x50 sys/ddb/db_access.c:61 db_disasm(3c7c9,0) at db_disasm+0x82 db_trap(6,10) at db_trap+0x115 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff80002f592c10) at db_ktrap+0x1ab sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80002f592c10) at kerntrap+0x130 sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b acpi_pdirpa() at acpi_pdirpa+0x2863a rt_match(ffff80002f592ee8,fffffd806d5adee4,1,0) at rt_match+0xc3 rt_clone sys/net/route.c:383 [inline] rt_match(ffff80002f592ee8,fffffd806d5adee4,1,0) at rt_match+0xc3 sys/net/route.c:358 in_ouraddr(fffffd806d5ade00,ffff800000dd7000,ffff80002f592f78) at in_ouraddr+0xab sys/netinet/ip_input.c:779 ip_input_if(ffff80002f593028,ffff80002f593034,ffff80002dd52000,0,ffff800000dd7000) at ip_input_if+0x29b sys/netinet/ip_input.c:448 ipv4_input(ffff800000dd7000,fffffd806d5ade00) at ipv4_input+0x47 sys/netinet/ip_input.c:290 ether_input(ffff800000dd7000,fffffd806d5ade00) at ether_input+0x525 tun_dev_write(5d06,ffff80002f5933a8,ffff80002dd52000,2) at tun_dev_write+0x209 sys/net/if_tun.c:914 spec_write(ffff80002f593200) at spec_write+0xd8 sys/kern/spec_vnops.c:302 VOP_WRITE(fffffd80707c0da0,ffff80002f5933a8,11,fffffd807f7d75b0) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245 vn_write(fffffd806b8be790,ffff80002f5933a8,0) at vn_write+0x157 sys/kern/vfs_vnops.c:408 dofilewritev(ffff80002a69cf88,c8,ffff80002f5933a8,0,ffff80002f593460) at dofilewritev+0x1a9 sys/kern/sys_generic.c:375 sys_write(ffff80002a69cf88,ffff80002f593510,ffff80002f593460) at sys_write+0x87 sys/kern/sys_generic.c:295 syscall(ffff80002f593510) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2955ee16810, count: -21 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80002f592960 rbx 0x1 rdx 0xffff800000ded540 rcx 0x28 rax 0xffff80002a69cf88 r8 0xffff80002f592a90 r9 0x8080808080808080 r10 0x73259f336fff5a5b r11 0x7dd2f5f9c6d63dad r12 0x1 r13 0x1 r14 0xffff80002f592975 r15 0x3c7ca acpi_pdirpa+0x2863b rip 0xffffffff816a0380 db_read_bytes+0xd0 cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff80002f592900 ss 0x10 db_read_bytes+0xd0: movzbl 0xffffffffffffffff(%r15),%eax ddb> show proc PROC (syz-executor.6) tid=203183 pid=34854 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a69ccf8,0xffff80002a69c558 process=0xffff8000343a6198 user=0xffff80002f58e000, vmspace=0xfffffd806a7a4580 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 36212 285643 84992 0 2 0x8000000 syz-executor.0 13199 299589 52251 0 2 0x8000000 syz-executor.3 13199 338039 52251 0 3 0xc000080 fsleep syz-executor.3 34854 434978 26864 0 2 0x8000000 syz-executor.6 *34854 203183 26864 0 7 0xc000000 syz-executor.6 59888 201245 12806 0 2 0x8000000 syz-executor.5 59888 66718 12806 0 3 0xc000080 fsleep syz-executor.5 61857 443248 70673 0 2 0x8000010 syz-executor.2 61857 6944 70673 0 2 0xc000010 syz-executor.2 61857 204889 70673 0 3 0xc000010 inode syz-executor.2 84612 405242 39133 0 2 0x8000480 syz-executor.1 84612 301647 39133 0 3 0xc000080 fifor syz-executor.1 84612 386879 39133 0 3 0xc000080 fsleep syz-executor.1 14230 407395 80598 0 2 0x8000480 syz-executor.7 14230 119253 80598 0 3 0xc000080 pppxread syz-executor.7 14230 54432 80598 0 3 0xc000080 fsleep syz-executor.7 14230 425423 80598 0 3 0xc000080 fsleep syz-executor.7 66162 415425 47850 0 2 0x8000480 syz-executor.4 66162 12653 47850 0 3 0xc000080 lockf syz-executor.4 66162 473946 47850 0 3 0xc000080 fsleep syz-executor.4 70673 220698 74986 0 2 0x8000482 syz-executor.2 47850 136216 74986 0 2 0x8000482 syz-executor.4 39133 19774 74986 0 2 0x8000482 syz-executor.1 26864 483685 74986 0 3 0x8000082 nanoslp syz-executor.6 84992 17522 74986 0 2 0x8000482 syz-executor.0 52251 248109 74986 0 2 0x8000482 syz-executor.3 32651 32290 1 0 3 0x18100083 ttyin getty 74763 145642 0 0 3 0x14280 nfsidl nfsio 23154 194006 0 0 3 0x14280 nfsidl nfsio 73550 470870 0 0 3 0x14280 nfsidl nfsio 20197 9902 0 0 3 0x14280 nfsidl nfsio 22082 144297 0 0 3 0x14280 nfsidl nfsio 92091 149032 0 0 3 0x14280 nfsidl nfsio 4896 61667 0 0 3 0x14280 nfsidl nfsio 33555 331717 0 0 3 0x14280 nfsidl nfsio 25645 2696 0 0 3 0x14280 nfsidl nfsio 52478 78559 0 0 3 0x14280 nfsidl nfsio 80674 1256 0 0 3 0x14280 nfsidl nfsio 70532 70557 0 0 3 0x14280 nfsidl nfsio 73752 343909 0 0 3 0x14280 nfsidl nfsio 16198 316323 0 0 3 0x14280 nfsidl nfsio 2447 518898 0 0 3 0x14280 nfsidl nfsio 96498 137035 0 0 3 0x14280 nfsidl nfsio 86293 680 0 0 3 0x14280 nfsidl nfsio 94968 465498 0 0 3 0x14280 nfsidl nfsio 1855 289635 0 0 3 0x14280 nfsidl nfsio 38424 213322 0 0 3 0x14280 nfsidl nfsio 80598 294734 74986 0 2 0x8000482 syz-executor.7 12806 125865 74986 0 3 0x8000082 nanoslp syz-executor.5 96465 80360 0 0 3 0x14200 acct acct 69289 319176 0 0 3 0x14200 bored sosplice 74986 182738 90495 0 3 0x1a000082 wait syz-fuzzer 74986 374959 90495 0 3 0x1e000082 thrsleep syz-fuzzer 74986 443557 90495 0 3 0x1e000082 thrsleep syz-fuzzer 74986 331078 90495 0 3 0x1e000082 wait syz-fuzzer 74986 92688 90495 0 3 0x1e000082 wait syz-fuzzer 74986 1369 90495 0 3 0x1e000082 wait syz-fuzzer 74986 433201 90495 0 3 0x1e000082 kqread syz-fuzzer 74986 216724 90495 0 3 0x1e000082 thrsleep syz-fuzzer 74986 507269 90495 0 3 0x1e000082 wait syz-fuzzer 74986 522099 90495 0 3 0x1e000082 wait syz-fuzzer 74986 311338 90495 0 3 0x1e000082 thrsleep syz-fuzzer 74986 314295 90495 0 3 0x1e000082 wait syz-fuzzer 74986 237092 90495 0 3 0x1e000082 thrsleep syz-fuzzer 74986 496115 90495 0 3 0x1e000082 wait syz-fuzzer 90495 409587 50274 0 3 0x810008a sigsusp ksh 50274 94977 29486 0 3 0x1800009a kqread sshd 29486 182401 1 0 3 0x18000088 kqread sshd 72655 390493 7240 73 2 0x19100010 syslogd 7240 252323 1 0 3 0x18100082 sbwait syslogd 16259 261158 1 0 3 0x18100080 kqread resolvd 3259 65170 44612 77 3 0x18100092 kqread dhcpleased 85280 47573 44612 77 3 0x18100092 kqread dhcpleased 44612 70901 1 0 3 0x18000080 kqread dhcpleased 17868 122815 0 0 3 0x14200 bored smr 79684 217910 0 0 2 0x14200 zerothread 74331 236904 0 0 3 0x14200 aiodoned aiodoned 37460 340728 0 0 3 0x14200 syncer update 21401 206764 0 0 3 0x14200 cleaner cleaner 18442 81552 0 0 3 0x14200 reaper reaper 12157 328087 0 0 3 0x14200 pgdaemon pagedaemon 60691 215239 0 0 3 0x14200 bored viomb 52471 27138 0 0 3 0x40014200 acpi0 acpi0 44338 463015 0 0 3 0x14200 bored softnet3 19052 260951 0 0 3 0x14200 bored softnet2 65559 202315 0 0 3 0x14200 bored softnet1 20208 367985 0 0 3 0x14200 bored softnet0 49986 220895 0 0 3 0x14200 bored systqmp 87329 18462 0 0 3 0x14200 bored systq 11637 158293 0 0 3 0x40014200 tmoslp softclock 97421 162473 0 0 3 0x40014200 idle0 1 85685 0 0 3 0x8080082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10176 6421K 7057K 166960K 12733 0 pcb 15 10K 10K 166960K 360 0 rtable 203 11K 12K 166960K 1650 0 pf 29 8K 9K 166960K 253 0 ifaddr 38 11K 12K 166960K 252 0 ifgroup 50 2K 2K 166960K 388 0 sysctl 4 1K 1K 166960K 6 0 counters 30 17K 17K 166960K 131 0 ioctlops 0 0K 2K 166960K 228 0 iov 0 0K 30K 166960K 404 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1368 86K 86K 166960K 3062 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 93 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 55 0 dirhash 12 2K 2K 166960K 66 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 18 65K 73K 166960K 4336 0 sigio 0 0K 0K 166960K 71 0 proc 62 59K 83K 166960K 1607 0 subproc 104 6K 6K 166960K 510 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 514 0 in_multi 78 5K 7K 166960K 579 0 ether_multi 2 0K 0K 166960K 10 0 mrt 2 0K 0K 166960K 18 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 1187 0 pfkey data 0 0K 0K 166960K 14 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 374 196K 200K 166960K 38997 0 UVM aobj 131 6K 7K 166960K 157 0 pinsyscall 38 76K 100K 166960K 6314 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 283 0 NDP 11 0K 2K 166960K 190 0 temp 74 6804K 7440K 166960K 55298 0 kqueue 13 20K 28K 166960K 525 0 SYN cache 2 104K 112K 166960K 3 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 362 0 359 1 0 1 1 0 8 0 rtentry 112 537 0 450 4 0 4 4 0 8 0 unpcb 144 2830 0 2810 3 0 3 3 0 8 2 syncache 336 79 0 79 1 0 1 1 0 8 1 tcpqe 32 309 0 309 1 0 1 1 0 8 1 tcpcb 808 1510 0 1495 7 0 7 7 0 8 4 arp 88 98 0 86 1 0 1 1 0 8 0 ipq 40 7 0 7 1 0 1 1 0 8 1 ipqe 40 14 0 14 1 0 1 1 0 8 1 inpcb 360 4081 0 4059 12 1 11 12 0 8 8 nd6 104 133 0 115 1 0 1 1 0 8 0 pkpcb 40 53 0 53 1 0 1 1 0 8 1 kcovpl 48 39 0 31 1 0 1 1 0 8 0 ppxss 1072 45 0 45 1 0 1 1 0 8 1 art_heap8 4096 4 0 3 3 0 3 3 0 8 2 art_heap4 256 1989 0 1616 30 1 29 30 0 8 5 art_table 32 1993 0 1619 4 0 4 4 0 8 0 art_node 16 531 0 454 1 0 1 1 0 8 0 sysvmsgpl 40 44 0 20 1 0 1 1 0 8 0 semupl 112 3 0 3 1 0 1 1 0 8 1 semapl 112 49 0 39 1 0 1 1 0 8 0 shmpl 112 154 0 26 4 0 4 4 0 8 0 dirhash 1024 53 0 36 3 0 3 3 0 8 0 dino2pl 256 7862 0 6343 96 0 96 96 0 8 0 ffsino 240 7862 0 6343 90 0 90 90 0 8 0 nchpl 144 13823 0 12091 66 0 66 66 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 43977 0 43977 2 0 2 2 0 8 2 vcpupl 2048 19 0 1 3 0 3 3 0 8 0 vmpool 664 31 0 13 2 0 2 2 0 8 0 kstatmem 264 224 0 202 2 0 2 2 0 8 0 scxspl 216 43015 0 43015 8 0 8 8 1 8 8 plimitpl 152 564 0 549 1 0 1 1 0 8 0 sigapl 424 4639 0 4572 8 0 8 8 0 8 0 futexpl 64 62980 0 62974 1 0 1 1 0 8 0 knotepl 120 40009 0 39926 11 0 11 11 0 8 6 kqueuepl 184 887 0 878 4 0 4 4 0 8 3 pipepl 288 668 0 640 3 0 3 3 0 8 1 fdescpl 432 4561 0 4532 4 0 4 4 0 8 0 filepl 120 24674 0 24416 13 0 13 13 0 8 5 lockfpl 104 1221 0 1215 1 0 1 1 0 8 0 lockfspl 48 460 0 455 1 0 1 1 0 8 0 sessionpl 144 60 0 44 1 0 1 1 0 8 0 pgrppl 48 103 0 87 1 0 1 1 0 8 0 ucredpl 104 3854 0 3841 1 0 1 1 0 8 0 zombiepl 144 4572 0 4572 1 0 1 1 0 8 1 processpl 1072 4639 0 4572 5 0 5 5 0 8 0 procpl 656 9467 0 9375 9 0 9 9 0 8 0 sosppl 168 212 0 210 1 0 1 1 0 8 0 sockpl 488 7358 0 7313 26 12 14 26 0 8 7 mcl64k 65536 158 0 158 1 0 1 1 0 8 1 mcl16k 16384 105 0 105 1 0 1 1 0 8 1 mcl12k 12288 151 0 151 1 0 1 1 0 8 1 mcl9k 9216 48 0 48 1 0 1 1 0 8 1 mcl8k 8192 310 0 310 1 0 1 1 0 8 1 mcl4k 4096 793 0 793 2 0 2 2 0 8 2 mcl2k2 2112 39 0 39 1 0 1 1 0 8 1 mcl2k 2048 51260 0 51207 42 27 15 41 0 8 7 mtagpl 96 70 0 70 2 0 2 2 0 8 2 mbufpl 256 138754 0 138613 130 13 117 117 0 8 103 bufpl 280 12470 0 6141 453 0 453 453 0 8 0 anonpl 24 564510 0 558200 113 0 113 113 0 188 67 amapchunkpl 152 122929 0 122230 48 0 48 48 0 158 20 amappl16 200 12092 0 11988 45 29 16 20 0 8 8 amappl15 192 9 0 9 1 0 1 1 0 8 1 amappl14 184 259 0 243 2 0 2 2 0 8 1 amappl13 176 15 0 15 1 0 1 1 0 8 1 amappl12 168 5688 0 5655 2 0 2 2 0 8 0 amappl11 160 53 0 43 1 0 1 1 0 8 0 amappl10 152 102 0 87 1 0 1 1 0 8 0 amappl9 144 249 0 248 1 0 1 1 0 8 0 amappl8 136 564 0 455 5 0 5 5 0 8 0 amappl7 128 64 0 51 1 0 1 1 0 8 0 amappl6 120 812 0 790 2 0 2 2 0 8 0 amappl5 112 364 0 351 1 0 1 1 0 8 0 amappl4 104 834 0 800 2 0 2 2 0 8 1 amappl3 96 24322 0 24230 3 0 3 3 0 8 0 amappl2 88 5251 0 5171 4 0 4 4 0 8 2 amappl1 80 26844 0 26346 22 2 20 22 0 8 8 amappl 88 37880 0 37660 6 0 6 6 0 92 0 dma4096 4096 1 0 1 1 0 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 0 1 1 0 8 1 dma128 128 253 0 253 1 0 1 1 0 8 1 dma64 64 6 0 6 1 0 1 1 0 8 1 dma32 32 7 0 7 1 0 1 1 0 8 1 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 156 0 26 3 0 3 3 0 8 0 uaddrrnd 24 4592 0 4545 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4592 0 4545 1 0 1 1 0 8 0 vmmpekpl 168 33275 0 33213 4 0 4 4 0 8 0 vmmpepl 168 289705 0 287663 112 0 112 112 0 357 18 vmsppl 344 4591 0 4545 5 0 5 5 0 8 0 rwobjpl 24 77387 0 70165 45 0 45 45 0 8 0 pdppl 4096 9190 0 9108 302 220 82 85 0 8 0 pvpl 32 1526815 0 1513899 363 19 344 363 0 265 228 pmappl 216 4591 0 4545 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 720 0 261 14 0 14 14 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace db_read_bytes(3c7c9,1,ffff80002f592974) at db_read_bytes+0xd0 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(3c7c9,1,0) at db_get_value+0x50 sys/ddb/db_access.c:61 db_disasm(3c7c9,0) at db_disasm+0x82 db_trap(6,10) at db_trap+0x115 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff80002f592c10) at db_ktrap+0x1ab sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80002f592c10) at kerntrap+0x130 sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b acpi_pdirpa() at acpi_pdirpa+0x2863a rt_match(ffff80002f592ee8,fffffd806d5adee4,1,0) at rt_match+0xc3 rt_clone sys/net/route.c:383 [inline] rt_match(ffff80002f592ee8,fffffd806d5adee4,1,0) at rt_match+0xc3 sys/net/route.c:358 in_ouraddr(fffffd806d5ade00,ffff800000dd7000,ffff80002f592f78) at in_ouraddr+0xab sys/netinet/ip_input.c:779 ip_input_if(ffff80002f593028,ffff80002f593034,ffff80002dd52000,0,ffff800000dd7000) at ip_input_if+0x29b sys/netinet/ip_input.c:448 ipv4_input(ffff800000dd7000,fffffd806d5ade00) at ipv4_input+0x47 sys/netinet/ip_input.c:290 ether_input(ffff800000dd7000,fffffd806d5ade00) at ether_input+0x525 tun_dev_write(5d06,ffff80002f5933a8,ffff80002dd52000,2) at tun_dev_write+0x209 sys/net/if_tun.c:914 spec_write(ffff80002f593200) at spec_write+0xd8 sys/kern/spec_vnops.c:302 VOP_WRITE(fffffd80707c0da0,ffff80002f5933a8,11,fffffd807f7d75b0) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245 vn_write(fffffd806b8be790,ffff80002f5933a8,0) at vn_write+0x157 sys/kern/vfs_vnops.c:408 dofilewritev(ffff80002a69cf88,c8,ffff80002f5933a8,0,ffff80002f593460) at dofilewritev+0x1a9 sys/kern/sys_generic.c:375 sys_write(ffff80002a69cf88,ffff80002f593510,ffff80002f593460) at sys_write+0x87 sys/kern/sys_generic.c:295 syscall(ffff80002f593510) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2955ee16810, count: -21 ddb> machine ddbcpu 1 No such command ddb> trace db_read_bytes(3c7c9,1,ffff80002f592974) at db_read_bytes+0xd0 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(3c7c9,1,0) at db_get_value+0x50 sys/ddb/db_access.c:61 db_disasm(3c7c9,0) at db_disasm+0x82 db_trap(6,10) at db_trap+0x115 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff80002f592c10) at db_ktrap+0x1ab sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80002f592c10) at kerntrap+0x130 sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b acpi_pdirpa() at acpi_pdirpa+0x2863a rt_match(ffff80002f592ee8,fffffd806d5adee4,1,0) at rt_match+0xc3 rt_clone sys/net/route.c:383 [inline] rt_match(ffff80002f592ee8,fffffd806d5adee4,1,0) at rt_match+0xc3 sys/net/route.c:358 in_ouraddr(fffffd806d5ade00,ffff800000dd7000,ffff80002f592f78) at in_ouraddr+0xab sys/netinet/ip_input.c:779 ip_input_if(ffff80002f593028,ffff80002f593034,ffff80002dd52000,0,ffff800000dd7000) at ip_input_if+0x29b sys/netinet/ip_input.c:448 ipv4_input(ffff800000dd7000,fffffd806d5ade00) at ipv4_input+0x47 sys/netinet/ip_input.c:290 ether_input(ffff800000dd7000,fffffd806d5ade00) at ether_input+0x525 tun_dev_write(5d06,ffff80002f5933a8,ffff80002dd52000,2) at tun_dev_write+0x209 sys/net/if_tun.c:914 spec_write(ffff80002f593200) at spec_write+0xd8 sys/kern/spec_vnops.c:302 VOP_WRITE(fffffd80707c0da0,ffff80002f5933a8,11,fffffd807f7d75b0) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245 vn_write(fffffd806b8be790,ffff80002f5933a8,0) at vn_write+0x157 sys/kern/vfs_vnops.c:408 dofilewritev(ffff80002a69cf88,c8,ffff80002f5933a8,0,ffff80002f593460) at dofilewritev+0x1a9 sys/kern/sys_generic.c:375 sys_write(ffff80002a69cf88,ffff80002f593510,ffff80002f593460) at sys_write+0x87 sys/kern/sys_generic.c:295 syscall(ffff80002f593510) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2955ee16810, count: -21