uvm_fault(0xffffffff838ff158, 0xffff80000151e000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at memcpy+0x19: repe movsq (%rsi),%es:(%rdi) TID PID UID PRFLAGS PFLAGS CPU COMMAND 63264 15161 0 0 0 0 syz-executor *340839 15161 0 0 0x4000000 1K syz-executor memcpy() at memcpy+0x19 rtm_msg1(14,ffff80002a32f7e8) at rtm_msg1+0x306 sys/net/rtsock.c:1627 rtm_addr(14,ffff80000151df00) at rtm_addr+0xb9 sys/net/rtsock.c:-1 in6_update_ifa(ffff800000b2b000,ffff80002a32fc00,ffff80000151df00) at in6_update_ifa+0x199a sys/netinet6/in6.c:741 in6_ioctl_change_ifaddr(8080691a,ffff80002a32fc00,ffff800000b2b000) at in6_ioctl_change_ifaddr+0x64e sys/netinet6/in6.c:352 ifioctl(ffff800001500c50,8080691a,ffff80002a32fc00,ffff8000fffedca8) at ifioctl+0x16d2 pru_control sys/sys/protosw.h:353 [inline] ifioctl(ffff800001500c50,8080691a,ffff80002a32fc00,ffff8000fffedca8) at ifioctl+0x16d2 sys/net/if.c:2481 sys_ioctl(ffff8000fffedca8,ffff80002a32fde0,ffff80002a32fd30) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80002a32fde0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a32fde0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x55617f4eb10, count: 6 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(0xffffffff838ff158, 0xffff80000151e000, 0, 1) -> e ddb{1}> trace memcpy() at memcpy+0x19 rtm_msg1(14,ffff80002a32f7e8) at rtm_msg1+0x306 sys/net/rtsock.c:1627 rtm_addr(14,ffff80000151df00) at rtm_addr+0xb9 sys/net/rtsock.c:-1 in6_update_ifa(ffff800000b2b000,ffff80002a32fc00,ffff80000151df00) at in6_update_ifa+0x199a sys/netinet6/in6.c:741 in6_ioctl_change_ifaddr(8080691a,ffff80002a32fc00,ffff800000b2b000) at in6_ioctl_change_ifaddr+0x64e sys/netinet6/in6.c:352 ifioctl(ffff800001500c50,8080691a,ffff80002a32fc00,ffff8000fffedca8) at ifioctl+0x16d2 pru_control sys/sys/protosw.h:353 [inline] ifioctl(ffff800001500c50,8080691a,ffff80002a32fc00,ffff8000fffedca8) at ifioctl+0x16d2 sys/net/if.c:2481 sys_ioctl(ffff8000fffedca8,ffff80002a32fde0,ffff80002a32fd30) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80002a32fde0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a32fde0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x55617f4eb10, count: -9 ddb{1}> show registers rdi 0xfffffd806ec3a148 rsi 0xffff80000151e000 rbp 0xffff80002a32f760 rbx 0xfffffd806f4c1e00 rdx 0xea rcx 0xc rax 0x7d806d71c148 r8 0x2 r9 0x8080808080808080 r10 0x54933a345911b2de r11 0xfffffd806ec3a0c0 r12 0xea r13 0xea r14 0xc0 r15 0xfffffd806f4c1e00 rip 0xffffffff82ae6059 memcpy+0x19 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff80002a32f6a8 ss 0x10 memcpy+0x19: repe movsq (%rsi),%es:(%rdi) ddb{1}> show proc PROC (syz-executor) tid=340839 pid=15161 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffec2b8,0xffff8000fffe4aa8 process=0xffff8000ffff3038 user=0xffff80002a32a000, vmspace=0xfffffd806cb16d70 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 14719 341238 17373 0 2 0 syz-executor 14719 66059 17373 0 2 0x4000000 syz-executor 15161 63264 30054 0 7 0 syz-executor *15161 340839 30054 0 7 0x4000000 syz-executor 15161 182761 30054 0 3 0x4000080 fsleep syz-executor 15161 234702 30054 0 3 0x4000080 fsleep syz-executor 90968 33864 28278 0 2 0 syz-executor 90968 315369 28278 0 3 0x4000080 fsleep syz-executor 89659 54843 99772 0 2 0 syz-executor 89659 396084 99772 0 3 0x4000080 ttyin syz-executor 89659 332085 99772 0 2 0x4000000 syz-executor 62986 179978 11394 0 2 0 syz-executor 62986 29462 11394 0 3 0x4000080 fsleep syz-executor 62986 65964 11394 0 2 0x4000000 syz-executor 23024 152944 19267 0 2 0 syz-executor 23024 437713 19267 0 3 0x4000080 lockf syz-executor 23024 216110 19267 0 3 0x4000080 fsleep syz-executor 74127 160698 37224 0 2 0 syz-executor 74127 20093 37224 0 3 0x4000080 fsleep syz-executor 74127 356814 37224 0 3 0x4000080 fsleep syz-executor 74127 479747 37224 0 3 0x4000080 fsleep syz-executor 90885 232259 66331 60928 2 0x10 syz-executor 90885 144520 66331 60928 3 0x4000090 fsleep syz-executor 90885 492657 66331 60928 3 0x4000090 fsleep syz-executor 58209 269097 0 0 3 0x14200 acct acct 37224 149935 86708 0 3 0x82 nanoslp syz-executor 66331 190342 86708 0 3 0x82 nanoslp syz-executor 11394 459569 86708 0 3 0x82 nanoslp syz-executor 30054 495740 86708 0 3 0x82 nanoslp syz-executor 28278 424291 86708 0 3 0x82 nanoslp syz-executor 45969 362706 0 0 3 0x14280 nfsidl nfsio 58264 307757 0 0 3 0x14280 nfsidl nfsio 17665 210254 0 0 3 0x14280 nfsidl nfsio 55646 501008 0 0 3 0x14280 nfsidl nfsio 24359 501566 0 0 3 0x14280 nfsidl nfsio 57322 160593 0 0 3 0x14280 nfsidl nfsio 92256 405524 0 0 3 0x14280 nfsidl nfsio 51703 57956 0 0 3 0x14280 nfsidl nfsio 90843 476060 0 0 3 0x14280 nfsidl nfsio 30451 93727 0 0 3 0x14280 nfsidl nfsio 43942 331573 0 0 3 0x14280 nfsidl nfsio 8351 47874 0 0 3 0x14280 nfsidl nfsio 26231 513255 0 0 3 0x14280 nfsidl nfsio 54046 362094 0 0 3 0x14280 nfsidl nfsio 54574 159026 0 0 3 0x14280 nfsidl nfsio 26181 318387 0 0 3 0x14280 nfsidl nfsio 13532 356169 0 0 3 0x14280 nfsidl nfsio 59180 427505 0 0 3 0x14280 nfsidl nfsio 82462 241041 0 0 3 0x14280 nfsidl nfsio 65345 61332 0 0 3 0x14280 nfsidl nfsio 17373 266556 86708 0 3 0x82 nanoslp syz-executor 19267 184934 86708 0 3 0x82 nanoslp syz-executor 99772 310237 86708 0 3 0x82 nanoslp syz-executor 86708 382085 82465 0 3 0x82 kqread syz-executor 82465 409407 916 0 3 0x10008a sigsusp ksh 916 29219 6593 0 3 0x98 kqread sshd-session 6593 192243 53262 0 3 0x92 kqread sshd-session 20999 489474 1 0 3 0x100083 ttyopn getty 53262 100624 1 0 3 0x88 kqread sshd 21449 103512 70675 74 3 0x1100092 bpf pflogd 70675 295691 1 0 3 0x80 sbwait pflogd 52845 126875 66156 73 3 0x1100090 kqread syslogd 66156 274555 1 0 3 0x100082 sbwait syslogd 35661 300088 1 0 3 0x100080 kqread resolvd 13865 454439 58151 77 2 0x100092 dhcpleased 60750 234252 58151 77 3 0x100092 kqread dhcpleased 58151 493554 1 0 3 0x80 kqread dhcpleased 67205 512461 0 0 3 0x14200 bored smr 27088 67738 0 0 2 0x14200 zerothread 70336 311603 0 0 3 0x14200 aiodoned aiodoned 41095 516625 0 0 3 0x14200 syncer update 70449 92879 0 0 3 0x14200 cleaner cleaner 36797 106182 0 0 3 0x14200 reaper reaper 8623 262942 0 0 3 0x14200 pgdaemon pagedaemon 36873 84321 0 0 3 0x14200 bored viomb 15466 499831 0 0 3 0x40014200 acpi0 acpi0 32684 434883 0 0 3 0x40014200 idle1 56618 461393 0 0 3 0x14200 bored softnet1 29058 89352 0 0 3 0x14200 bored softnet0 37305 348127 0 0 3 0x14200 bored systqmp 37429 454244 0 0 3 0x14200 bored systq 24565 231292 0 0 3 0x14200 tmoslp softclockmp 74651 252696 0 0 3 0x40014200 tmoslp softclock 33600 319390 0 0 3 0x40014200 idle0 1 248785 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 15161 (syz-executor) thread 0xffff8000fffedca8 (340839) ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10246 11074K 11541K 166960K 13652 0 pcb 20 16K 18K 166960K 479 0 rtable 242 12K 12K 166960K 753 0 pf 43 19K 22K 166960K 193 0 ifaddr 45 8K 8K 166960K 139 0 ifgroup 64 2K 3K 166960K 214 0 sysctl 3 1K 9K 166960K 22 0 counters 72 37K 38K 166960K 238 0 ioctlops 0 0K 4K 166960K 1920 0 iov 0 0K 28K 166960K 108 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1458 92K 92K 166960K 2945 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 2K 10K 166960K 25 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 144 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 240K 166960K 1598 0 sigio 1 0K 0K 166960K 106 0 proc 75 131K 180K 166960K 905 0 subproc 72 4K 4K 166960K 135 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 177 0 in_multi 94 6K 7K 166960K 227 0 ether_multi 1 0K 0K 166960K 14 0 mrt 1 0K 0K 166960K 11 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 883 0 fusefs mount 1 32K 32K 166960K 1 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 263 152K 166K 166960K 15938 0 UVM aobj 55 15K 15K 166960K 57 0 pinsyscall 43 86K 106K 166960K 2916 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 70 0 NDP 14 0K 2K 166960K 98 0 temp 80 8672K 8768K 166960K 64700 0 kqueue 15 24K 32K 166960K 302 0 SYN cache 2 0K 16K 166960K 4 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 125 0 121 1 0 1 1 0 8 0 rtentry 176 235 0 138 6 0 6 6 0 8 0 unpcb 144 924 0 907 9 7 2 4 0 8 1 syncache 336 10 0 10 2 2 0 1 0 8 0 tcpqe 32 4 0 4 2 2 0 1 0 8 0 tcpcb 736 529 0 519 14 9 5 7 0 8 4 arp 136 38 0 22 1 0 1 1 0 8 0 inpcb 328 1990 0 1972 15 10 5 12 0 8 3 nd6 152 47 0 24 1 0 1 1 0 8 0 pkpcb 40 4 0 4 3 2 1 1 0 8 1 kcovpl 48 15 0 7 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 66 0 66 2 2 0 1 0 8 0 pppxif 1504 5 0 5 3 3 0 1 0 8 0 pfstscr 40 8 0 8 3 3 0 1 0 8 0 pffrag 232 13 0 7 1 0 1 1 0 482 0 pffrnode 88 9 0 3 1 0 1 1 0 8 0 pffrent 40 26 0 20 1 0 1 1 0 8 0 pfosfp 40 1429 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pfrktable 1344 6 0 6 2 2 0 1 0 8 0 pfanchor 1288 1 0 1 1 1 0 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 104 0 29 1 0 1 1 0 8 0 pfstkey 128 111 0 36 3 0 3 3 0 8 0 pfstate 448 106 0 33 9 0 9 9 0 8 0 pfrule 1344 28 0 23 2 1 1 2 0 8 0 rttmr 136 3 0 3 1 1 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 1044 0 616 37 9 28 32 0 8 0 art_table 40 1048 0 616 6 0 6 6 0 8 0 art_node 32 231 0 146 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 2 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 141 0 131 1 0 1 1 0 8 0 shmpl 112 49 0 2 2 0 2 2 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 4203 0 2686 96 0 96 96 0 8 0 ffsino 296 4203 0 2686 118 0 118 118 0 8 0 nchpl 144 6301 0 4582 64 0 64 64 0 8 0 rtmask 32 19 0 19 2 2 0 1 0 8 0 vnodes 216 5288 0 0 294 0 294 294 0 8 0 namei 1024 23914 0 23914 3 2 1 2 0 8 1 percpumem 16 134 0 83 1 0 1 1 0 8 0 vcpupl 3968 5 0 0 1 0 1 1 0 8 0 vmpool 840 5 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 1 1 1 0 1 0 8 0 kstatmem 264 136 0 104 3 0 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 6 0 6 4 3 1 1 0 8 1 scxspl 216 32879 0 32879 9 8 1 6 1 8 1 plimitpl 152 605 0 587 1 0 1 1 0 8 0 sigapl 424 1908 0 1839 8 0 8 8 0 8 0 knotepl 120 504 0 0 16 0 16 16 0 8 0 kqueuepl 224 700 0 688 7 6 1 5 0 8 0 pipepl 344 285 0 257 4 1 3 4 0 8 0 fdescpl 528 1868 0 1836 3 0 3 3 0 8 0 filepl 160 12968 0 12733 21 8 13 18 0 8 1 lockfpl 104 627 0 620 1 0 1 1 0 8 0 lockfspl 48 222 0 216 1 0 1 1 0 8 0 sessionpl 144 34 0 25 1 0 1 1 0 8 0 pgrppl 48 138 0 121 1 0 1 1 0 8 0 ucredpl 104 1786 0 1772 1 0 1 1 0 8 0 zombiepl 144 1839 0 1839 1 0 1 1 0 8 1 processpl 1232 1908 0 1839 6 0 6 6 0 8 0 procpl 664 4301 0 4216 8 0 8 8 0 8 0 sosppl 176 14 0 14 3 2 1 1 0 8 1 sockpl 752 3082 0 3043 29 21 8 17 0 8 4 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 9 0 0 2 0 2 2 0 8 0 mcl4k 4096 128 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 59 0 0 7 0 7 7 0 8 1 mtagpl 96 30 0 0 1 0 1 1 0 8 0 mbufpl 256 1875 0 0 116 0 116 116 0 8 0 bufpl 280 13180 0 7043 439 0 439 439 0 8 0 anonpl 32 13284 0 0 107 0 107 107 0 246 0 amapchunkpl 152 54229 0 53614 41 12 29 33 0 158 5 amappl16 200 6149 0 6066 48 29 19 30 0 8 7 amappl15 192 12 0 12 1 1 0 1 0 8 0 amappl14 184 6 0 5 2 1 1 1 0 8 0 amappl13 176 509 0 508 1 0 1 1 0 8 0 amappl12 168 2280 0 2237 3 0 3 3 0 8 0 amappl11 160 4 0 4 1 1 0 1 0 8 0 amappl10 152 51 0 36 1 0 1 1 0 8 0 amappl9 144 258 0 258 2 2 0 1 0 8 0 amappl8 136 29 0 26 1 0 1 1 0 8 0 amappl7 128 106 0 104 1 0 1 1 0 8 0 amappl6 120 365 0 352 1 0 1 1 0 8 0 amappl5 112 143 0 132 1 0 1 1 0 8 0 amappl4 104 491 0 459 1 0 1 1 0 8 0 amappl3 96 9585 0 9483 4 1 3 3 0 8 0 amappl2 88 1997 0 1916 2 0 2 2 0 8 0 amappl1 80 16631 0 16035 14 0 14 14 0 8 0 amappl 88 14848 0 14662 5 0 5 5 0 92 0 uvmvnodes 80 156 0 0 4 0 4 4 0 8 0 dma8192 8192 3 0 3 2 2 0 1 0 8 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 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 10 0 10 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 56 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1868 0 1836 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1868 0 1836 1 0 1 1 0 8 0 vmmpekpl 168 16120 0 16067 3 0 3 3 0 8 0 vmmpepl 168 124180 0 122131 119 10 109 111 0 357 12 vmsppl 488 1867 0 1836 5 0 5 5 0 8 0 rwobjpl 80 34856 0 33631 37 4 33 35 0 8 0 pdppl 4096 3753 0 3677 123 47 76 87 0 8 0 pvpl 32 20418 0 0 166 1 165 165 0 265 0 pmappl 256 1872 0 1836 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 444 0 75 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8386fff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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(ffffffff839641c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839641c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x71df77507b00, count: 8 ddb{0}> trace x86_ipi_db(ffffffff8386fff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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(ffffffff839641c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839641c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x71df77507b00, count: -7 ddb{0}> machine ddbcpu 1 Stopped at memcpy+0x19: repe movsq (%rsi),%es:(%rdi) memcpy() at memcpy+0x19 rtm_msg1(14,ffff80002a32f7e8) at rtm_msg1+0x306 sys/net/rtsock.c:1627 rtm_addr(14,ffff80000151df00) at rtm_addr+0xb9 sys/net/rtsock.c:-1 in6_update_ifa(ffff800000b2b000,ffff80002a32fc00,ffff80000151df00) at in6_update_ifa+0x199a sys/netinet6/in6.c:741 in6_ioctl_change_ifaddr(8080691a,ffff80002a32fc00,ffff800000b2b000) at in6_ioctl_change_ifaddr+0x64e sys/netinet6/in6.c:352 ifioctl(ffff800001500c50,8080691a,ffff80002a32fc00,ffff8000fffedca8) at ifioctl+0x16d2 pru_control sys/sys/protosw.h:353 [inline] ifioctl(ffff800001500c50,8080691a,ffff80002a32fc00,ffff8000fffedca8) at ifioctl+0x16d2 sys/net/if.c:2481 sys_ioctl(ffff8000fffedca8,ffff80002a32fde0,ffff80002a32fd30) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80002a32fde0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a32fde0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x55617f4eb10, count: 6 ddb{1}> trace memcpy() at memcpy+0x19 rtm_msg1(14,ffff80002a32f7e8) at rtm_msg1+0x306 sys/net/rtsock.c:1627 rtm_addr(14,ffff80000151df00) at rtm_addr+0xb9 sys/net/rtsock.c:-1 in6_update_ifa(ffff800000b2b000,ffff80002a32fc00,ffff80000151df00) at in6_update_ifa+0x199a sys/netinet6/in6.c:741 in6_ioctl_change_ifaddr(8080691a,ffff80002a32fc00,ffff800000b2b000) at in6_ioctl_change_ifaddr+0x64e sys/netinet6/in6.c:352 ifioctl(ffff800001500c50,8080691a,ffff80002a32fc00,ffff8000fffedca8) at ifioctl+0x16d2 pru_control sys/sys/protosw.h:353 [inline] ifioctl(ffff800001500c50,8080691a,ffff80002a32fc00,ffff8000fffedca8) at ifioctl+0x16d2 sys/net/if.c:2481 sys_ioctl(ffff8000fffedca8,ffff80002a32fde0,ffff80002a32fd30) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80002a32fde0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a32fde0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x55617f4eb10, count: -9