kernel: page fault trap, code=10 Stopped at acpi_pdirpa+0xd55ea: uvm_fault(0xfffffd806c507018, 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 203023 2186 0 0 0 0 syz-executor * 75301 11931 0 0 0x4000000 1K syz-executor db_read_bytes(e9779,1,ffff80003724f3f4) 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,ffff80003724f690) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80003724f690) 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(ffff80003724f968,ffff80003724fa68,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(ffff80003724fa50,fffffd8068efe1e0,fffffd8068efe1dc,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(ffff80003724fa50,fffffd8068efe1e0,fffffd8068efe1dc,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(ffff80003724fa50,fffffd8068efe1e0,fffffd8068efe1dc,0) at route_mpath+0x170 sys/net/route.c:255 in_ouraddr(fffffd8068efe100,ffff8000015c4000,ffff80003724fa50,0) at in_ouraddr+0xc2 ip_input_if(ffff80003724fb48,ffff80003724fb54,ffff80002d76f000,0,ffff8000015c4000) at ip_input_if+0x422 sys/netinet/ip_input.c:508 ipv4_input(ffff8000015c4000,fffffd8068efe100) at ipv4_input+0x50 sys/netinet/ip_input.c:337 ether_input(ffff8000015c4000,fffffd8068efe100) at ether_input+0x6e4 end trace frame: 0xffff80003724fc70, 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(0xfffffd806c507018, 0xe9779, 0, 1) -> e ddb{1}> trace db_read_bytes(e9779,1,ffff80003724f3f4) 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,ffff80003724f690) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80003724f690) 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(ffff80003724f968,ffff80003724fa68,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(ffff80003724fa50,fffffd8068efe1e0,fffffd8068efe1dc,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(ffff80003724fa50,fffffd8068efe1e0,fffffd8068efe1dc,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(ffff80003724fa50,fffffd8068efe1e0,fffffd8068efe1dc,0) at route_mpath+0x170 sys/net/route.c:255 in_ouraddr(fffffd8068efe100,ffff8000015c4000,ffff80003724fa50,0) at in_ouraddr+0xc2 ip_input_if(ffff80003724fb48,ffff80003724fb54,ffff80002d76f000,0,ffff8000015c4000) at ip_input_if+0x422 sys/netinet/ip_input.c:508 ipv4_input(ffff8000015c4000,fffffd8068efe100) at ipv4_input+0x50 sys/netinet/ip_input.c:337 ether_input(ffff8000015c4000,fffffd8068efe100) at ether_input+0x6e4 tun_dev_write(5d03,ffff80003724fec8,ffff80002d76f000,2) at tun_dev_write+0x301 sys/net/if_tun.c:914 spec_write(ffff80003724fd20) at spec_write+0x120 sys/kern/spec_vnops.c:302 VOP_WRITE(fffffd806d0a5028,ffff80003724fec8,11,fffffd807f7d3750) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_write(fffffd806bcf20a0,ffff80003724fec8,0) at vn_write+0x1d1 sys/kern/vfs_vnops.c:408 dofilewritev(ffff80002a03f1d0,c8,ffff80003724fec8,0,ffff80003724ff80) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_write(ffff80002a03f1d0,ffff800037250030,ffff80003724ff80) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff800037250030) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037250030) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x91cf23e4f50, count: -22 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003724f3e0 rbx 0x1 rdx 0xffff8000015b5700 rcx 0xffff80002a03f1d0 rax 0xffff800029b7bff0 r8 0xffff80003724f510 r9 0x8080808080808080 r10 0x1b0f96cf788aa302 r11 0x1fedb97a16909a31 r12 0x1 r13 0x1 r14 0xffff80003724f3f5 r15 0xe977a acpi_pdirpa+0xd55eb rip 0xffffffff82612080 db_read_bytes+0x110 cs 0x8 rflags 0x10286 __ALIGN_SIZE+0xf286 rsp 0xffff80003724f380 ss 0x10 db_read_bytes+0x110: movzbl 0xffffffffffffffff(%r15),%eax ddb{1}> show proc PROC (syz-executor) tid=75301 pid=11931 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffe6ce0,0xffff8000ffffccc8 process=0xffff8000fffee460 user=0xffff80003724b000, vmspace=0xfffffd806c507018 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 2186 203023 41846 0 7 0 syz-executor 11931 343884 785 0 2 0 syz-executor 11931 510429 785 0 3 0x4000080 ttyin syz-executor *11931 75301 785 0 7 0x4000000 syz-executor 44476 202986 22645 0 3 0x80 nanoslp syz-executor 44476 76186 22645 0 3 0x4000080 fifor syz-executor 44476 446162 22645 0 3 0x4000080 fsleep syz-executor 34552 70522 91435 0 3 0x80 nanoslp syz-executor 34552 353338 91435 0 3 0x4000080 kqsel syz-executor 34552 477716 91435 0 3 0x4000080 fsleep syz-executor 97615 339603 4579 -1 3 0x90 nanoslp syz-executor 97615 69943 4579 -1 3 0x4000090 ttyout syz-executor 97615 105001 4579 -1 3 0x4000090 ttyout syz-executor 97615 268070 4579 -1 3 0x4000090 netcon syz-executor 97615 101238 4579 -1 3 0x4000090 fsleep syz-executor 97040 510381 97166 0 3 0x80 nanoslp syz-executor 97040 9261 97166 0 3 0x4000080 netcon syz-executor 97040 489445 97166 0 3 0x4000080 fsleep syz-executor 29877 462651 54224 0 3 0x90 nanoslp syz-executor 29877 174608 54224 0 3 0x4000090 sbwait syz-executor 29877 360156 54224 0 3 0x4000090 fsleep syz-executor 29877 275455 54224 0 3 0x4000090 fsleep syz-executor 34191 172021 27241 0 3 0x80 nanoslp syz-executor 34191 178922 27241 0 3 0x4000080 fifor syz-executor 91435 188394 59149 0 3 0x82 nanoslp syz-executor 785 353389 59149 0 3 0x82 nanoslp syz-executor 97166 73940 59149 0 3 0x82 nanoslp syz-executor 27241 72020 59149 0 3 0x82 nanoslp syz-executor 22645 437762 59149 0 3 0x82 nanoslp syz-executor 54224 345954 59149 0 3 0x82 nanoslp syz-executor 41846 26923 59149 0 3 0x82 nanoslp syz-executor 4579 60202 59149 0 3 0x82 nanoslp syz-executor 11575 29632 77679 0 3 0x82 netio sshd-session 3590 425401 0 0 3 0x14200 acct acct 45450 369057 1 0 3 0x100083 ttyin getty 43325 344528 0 0 3 0x14200 bored sosplice 59149 4493 62792 0 3 0x82 kqread syz-executor 62792 510195 68434 0 3 0x10008a sigsusp ksh 68434 90577 58453 0 3 0x98 kqread sshd-session 58453 175973 77679 0 3 0x92 kqread sshd-session 77679 180789 1 0 3 0x88 kqread sshd 57802 115751 52079 74 3 0x1100092 bpf pflogd 52079 106762 1 0 3 0x80 sbwait pflogd 12848 450033 56312 73 3 0x1100010 biowait syslogd 56312 102720 1 0 3 0x100082 sbwait syslogd 13550 271616 1 0 3 0x100080 kqread resolvd 38818 238068 47132 77 3 0x100092 kqread dhcpleased 67249 320556 47132 77 3 0x100092 kqread dhcpleased 47132 312467 1 0 3 0x80 kqread dhcpleased 81055 359966 0 0 3 0x14200 bored smr 85745 292657 0 0 2 0x14200 zerothread 3206 320134 0 0 3 0x14200 aiodoned aiodoned 62477 331122 0 0 3 0x14200 syncer update 73711 222127 0 0 3 0x14200 cleaner cleaner 15024 223642 0 0 3 0x14200 reaper reaper 67007 166882 0 0 3 0x14200 pgdaemon pagedaemon 73876 136586 0 0 3 0x14200 bored viomb 9957 344097 0 0 3 0x40014200 acpi0 acpi0 79782 184016 0 0 3 0x40014200 idle1 23200 483328 0 0 3 0x14200 bored softnet3 71293 37180 0 0 3 0x14200 bored softnet2 37217 479001 0 0 3 0x14200 bored softnet1 54306 397690 0 0 3 0x14200 bored softnet0 35425 183049 0 0 3 0x14200 bored systqmp 96567 15358 0 0 3 0x14200 bored systq 60703 459615 0 0 3 0x14200 tmoslp softclockmp 74832 140990 0 0 3 0x40014200 tmoslp softclock 19134 166486 0 0 3 0x40014200 idle0 1 256786 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 2186 (syz-executor) thread 0xffff8000ffffccb8 (203023) Process 11931 (syz-executor) thread 0xffff80002a03f1d0 (75301) Process 12848 (syslogd) thread 0xffff8000ffffd960 (450033) ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10238 14341K 14920K 166960K 13140 0 pcb 17 15K 16K 166960K 209 0 rtable 231 9K 9K 166960K 2004 0 pf 39 18K 21K 166960K 186 0 ifaddr 45 8K 8K 166960K 278 0 ifgroup 59 2K 2K 166960K 297 0 sysctl 2 0K 0K 166960K 2 0 counters 66 36K 37K 166960K 190 0 ioctlops 0 0K 4K 166960K 1622 0 iov 0 0K 24K 166960K 110 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1432 90K 90K 166960K 2918 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 82 0 dirhash 12 2K 2K 166960K 30 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 18 65K 93K 166960K 1846 0 sigio 0 0K 0K 166960K 23 0 proc 72 91K 152K 166960K 2087 0 subproc 104 6K 6K 166960K 780 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 170 0 in_multi 99 7K 7K 166960K 718 0 ether_multi 1 0K 0K 166960K 3 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 223 996K 996K 166960K 223 0 exec 0 0K 1K 166960K 1138 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 273 74K 93K 166960K 15838 0 UVM aobj 87 3K 3K 166960K 90 0 pinsyscall 45 90K 104K 166960K 4323 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 57 0 NDP 19 0K 2K 166960K 196 0 temp 70 6822K 6896K 166960K 71998 0 kqueue 14 22K 29K 166960K 169 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 120 195 0 192 1 0 1 1 0 8 0 rtentry 112 711 0 608 4 1 3 4 0 8 0 unpcb 144 811 0 783 7 5 2 3 0 8 0 syncache 336 13 0 13 5 5 0 1 0 8 0 tcpqe 32 2 0 2 2 2 0 1 0 8 0 tcpcb 808 665 0 655 27 20 7 8 0 8 5 arp 120 119 0 101 1 0 1 1 0 8 0 inpcb 336 1814 0 1798 26 20 6 9 0 8 4 nd6 136 182 0 158 1 0 1 1 0 8 0 pkpcb 40 6 0 6 3 3 0 1 0 8 0 kcovpl 48 60 0 52 1 0 1 1 0 8 0 ppxss 1168 6 0 6 5 5 0 1 0 8 0 pffrag 232 12 0 7 1 0 1 1 0 482 0 pffrnode 88 9 0 4 1 0 1 1 0 8 0 pffrent 40 19 0 14 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 3 0 1 1 0 1 1 0 8 0 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 122 0 103 1 0 1 1 0 8 0 pfstkey 128 122 0 103 2 0 2 2 0 8 0 pfstate 376 122 0 103 6 2 4 6 0 8 0 pfrule 1344 23 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 1 2 1 1 2 0 8 0 art_heap4 256 2876 0 2424 40 11 29 31 0 8 0 art_table 32 2878 0 2425 4 0 4 4 0 8 0 art_node 16 708 0 618 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 8 1 0 1 1 0 8 0 semapl 112 74 0 64 1 0 1 1 0 8 0 shmpl 112 87 0 3 3 0 3 3 0 8 0 dirhash 1024 29 0 12 3 0 3 3 0 8 0 dino2pl 256 3415 0 1800 102 0 102 102 0 8 0 ffsino 272 3415 0 1800 108 0 108 108 0 8 0 nchpl 144 5003 0 3243 66 0 66 66 0 8 0 uvmvnodes 80 4690 0 0 96 0 96 96 0 8 0 vnodes 216 4690 0 0 261 0 261 261 0 8 0 namei 1024 21829 0 21829 7 6 1 2 0 8 1 percpumem 16 109 0 62 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 150 0 124 3 1 2 3 0 8 0 scsiplug 72 3 0 3 3 3 0 1 0 8 0 scxspl 216 40659 0 40658 14 13 1 8 1 8 0 plimitpl 152 563 0 542 1 0 1 1 0 8 0 sigapl 424 2074 0 2021 10 1 9 9 0 8 2 futexpl 64 15182 0 15176 7 6 1 1 0 8 0 knotepl 120 380 0 0 10 0 10 10 0 8 0 kqueuepl 216 418 0 407 9 8 1 5 0 8 0 pipepl 320 472 0 443 9 6 3 7 0 8 0 fdescpl 496 2034 0 2001 7 2 5 5 0 8 0 filepl 152 10985 0 10711 32 20 12 16 0 8 1 lockfpl 104 499 0 497 2 1 1 2 0 8 0 lockfspl 48 211 0 209 1 0 1 1 0 8 0 sessionpl 144 85 0 75 1 0 1 1 0 8 0 pgrppl 48 159 0 141 1 0 1 1 0 8 0 ucredpl 104 1743 0 1727 1 0 1 1 0 8 0 zombiepl 144 2021 0 2021 1 0 1 1 0 8 1 processpl 1160 2074 0 2021 6 0 6 6 0 8 1 procpl 648 3685 0 3616 8 0 8 8 0 8 1 srpgc 96 6 0 6 3 3 0 1 0 8 0 sosppl 168 7 0 7 4 4 0 1 0 8 0 sockpl 664 2835 0 2788 30 22 8 12 0 8 3 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 240 0 0 28 0 28 28 0 8 0 mtagpl 96 190 0 0 5 1 4 4 0 8 0 mbufpl 256 464 0 0 24 1 23 24 0 8 0 bufpl 280 10280 0 3359 495 0 495 495 0 8 0 anonpl 24 338683 0 334048 109 52 57 71 0 185 18 amapchunkpl 152 50526 0 49894 55 25 30 40 0 158 5 amappl16 200 6802 0 6783 57 43 14 26 0 8 11 amappl15 192 17 0 17 2 2 0 1 0 8 0 amappl14 184 241 0 227 1 0 1 1 0 8 0 amappl13 176 12 0 12 3 3 0 1 0 8 0 amappl12 168 3524 0 3492 4 2 2 3 0 8 0 amappl11 160 128 0 114 1 0 1 1 0 8 0 amappl10 152 9 0 9 1 1 0 1 0 8 0 amappl9 144 138 0 138 1 1 0 1 0 8 0 amappl8 136 15 0 12 1 0 1 1 0 8 0 amappl7 128 222 0 208 1 0 1 1 0 8 0 amappl6 120 685 0 684 1 0 1 1 0 8 0 amappl5 112 350 0 337 1 0 1 1 0 8 0 amappl4 104 589 0 568 1 0 1 1 0 8 0 amappl3 96 9790 0 9664 7 3 4 4 0 8 0 amappl2 88 1527 0 1452 2 0 2 2 0 8 0 amappl1 80 18299 0 17659 17 2 15 15 0 8 0 amappl 88 14935 0 14732 5 0 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 128 253 0 253 1 1 0 1 0 8 0 dma64 64 8 0 8 3 3 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 89 0 3 2 0 2 2 0 8 0 uaddrrnd 24 2034 0 2001 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2034 0 2001 1 0 1 1 0 8 0 vmmpekpl 168 18906 0 18848 4 0 4 4 0 8 0 vmmpepl 168 134385 0 132340 125 25 100 102 0 357 9 vmsppl 440 2033 0 2001 6 2 4 5 0 8 0 rwobjpl 56 45143 0 39315 89 3 86 86 0 8 2 pdppl 4096 4075 0 4002 179 100 79 85 0 8 6 pvpl 32 31713 0 0 256 1 255 255 0 265 0 pmappl 248 2033 0 2001 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 563 0 171 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83472ff0) 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 __mp_lock(ffffffff835a3a00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a3a00) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80003723e860,ffff800000079e00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge25_untramp() at Xintr_ioapic_edge25_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x38 sys/dev/kcov.c:164 __mp_lock(ffffffff835a3a00) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a3a00) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 intr_handler(ffff80003723e9d0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d pmap_enter(fffffd806dd123e8,36f9bbfc000,72903000,3,22) at pmap_enter+0xc32 pmap_unmap_ptes sys/arch/amd64/amd64/pmap.c:451 [inline] pmap_enter(fffffd806dd123e8,36f9bbfc000,72903000,3,22) at pmap_enter+0xc32 sys/arch/amd64/amd64/pmap.c:2975 uvm_fault_upper(ffff80003723eda0,ffff80003723edd8,ffff80003723eca0,0) at uvm_fault_upper+0x376 sys/uvm/uvm_fault.c:1056 uvm_fault(fffffd806c507540,36f9bbfc000,0,2) at uvm_fault+0x1b2 sys/uvm/uvm_fault.c:608 end trace frame: 0xffff80003723eec0, count: 0 ddb{0}> trace x86_ipi_db(ffffffff83472ff0) 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 __mp_lock(ffffffff835a3a00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a3a00) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80003723e860,ffff800000079e00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge25_untramp() at Xintr_ioapic_edge25_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x38 sys/dev/kcov.c:164 __mp_lock(ffffffff835a3a00) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a3a00) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 intr_handler(ffff80003723e9d0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d pmap_enter(fffffd806dd123e8,36f9bbfc000,72903000,3,22) at pmap_enter+0xc32 pmap_unmap_ptes sys/arch/amd64/amd64/pmap.c:451 [inline] pmap_enter(fffffd806dd123e8,36f9bbfc000,72903000,3,22) at pmap_enter+0xc32 sys/arch/amd64/amd64/pmap.c:2975 uvm_fault_upper(ffff80003723eda0,ffff80003723edd8,ffff80003723eca0,0) at uvm_fault_upper+0x376 sys/uvm/uvm_fault.c:1056 uvm_fault(fffffd806c507540,36f9bbfc000,0,2) at uvm_fault+0x1b2 sys/uvm/uvm_fault.c:608 upageflttrap(ffff80003723ef20,36f9bbfc5a0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003723ef20) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7882c4e85300, count: -17 ddb{0}> machine ddbcpu 1 Stopped at db_read_bytes+0x110: movzbl 0xffffffffffffffff(%r15),%eax db_read_bytes(e9779,1,ffff80003724f3f4) 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,ffff80003724f690) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80003724f690) 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(ffff80003724f968,ffff80003724fa68,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(ffff80003724fa50,fffffd8068efe1e0,fffffd8068efe1dc,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(ffff80003724fa50,fffffd8068efe1e0,fffffd8068efe1dc,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(ffff80003724fa50,fffffd8068efe1e0,fffffd8068efe1dc,0) at route_mpath+0x170 sys/net/route.c:255 in_ouraddr(fffffd8068efe100,ffff8000015c4000,ffff80003724fa50,0) at in_ouraddr+0xc2 ip_input_if(ffff80003724fb48,ffff80003724fb54,ffff80002d76f000,0,ffff8000015c4000) at ip_input_if+0x422 sys/netinet/ip_input.c:508 ipv4_input(ffff8000015c4000,fffffd8068efe100) at ipv4_input+0x50 sys/netinet/ip_input.c:337 ether_input(ffff8000015c4000,fffffd8068efe100) at ether_input+0x6e4 end trace frame: 0xffff80003724fc70, count: 0 ddb{1}> trace db_read_bytes(e9779,1,ffff80003724f3f4) 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,ffff80003724f690) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80003724f690) 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(ffff80003724f968,ffff80003724fa68,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(ffff80003724fa50,fffffd8068efe1e0,fffffd8068efe1dc,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(ffff80003724fa50,fffffd8068efe1e0,fffffd8068efe1dc,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(ffff80003724fa50,fffffd8068efe1e0,fffffd8068efe1dc,0) at route_mpath+0x170 sys/net/route.c:255 in_ouraddr(fffffd8068efe100,ffff8000015c4000,ffff80003724fa50,0) at in_ouraddr+0xc2 ip_input_if(ffff80003724fb48,ffff80003724fb54,ffff80002d76f000,0,ffff8000015c4000) at ip_input_if+0x422 sys/netinet/ip_input.c:508 ipv4_input(ffff8000015c4000,fffffd8068efe100) at ipv4_input+0x50 sys/netinet/ip_input.c:337 ether_input(ffff8000015c4000,fffffd8068efe100) at ether_input+0x6e4 tun_dev_write(5d03,ffff80003724fec8,ffff80002d76f000,2) at tun_dev_write+0x301 sys/net/if_tun.c:914 spec_write(ffff80003724fd20) at spec_write+0x120 sys/kern/spec_vnops.c:302 VOP_WRITE(fffffd806d0a5028,ffff80003724fec8,11,fffffd807f7d3750) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_write(fffffd806bcf20a0,ffff80003724fec8,0) at vn_write+0x1d1 sys/kern/vfs_vnops.c:408 dofilewritev(ffff80002a03f1d0,c8,ffff80003724fec8,0,ffff80003724ff80) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_write(ffff80002a03f1d0,ffff800037250030,ffff80003724ff80) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff800037250030) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037250030) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x91cf23e4f50, count: -22