uvm_fault(0xffffffff83a21110, 0xffff80000152f000, 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 477580 92284 0 0 0 0 syz-executor *129569 57406 0 0 0x4000000 1K syz-executor memcpy() at memcpy+0x19 rtm_msg1(14,ffff80003c4084e8) at rtm_msg1+0x306 sys/net/rtsock.c:1647 rtm_addr(14,ffff80000152ef00) at rtm_addr+0xb9 sys/net/rtsock.c:-1 in6_update_ifa(ffff800000b2c000,ffff80003c408900,ffff80000152ef00) at in6_update_ifa+0x1752 sys/netinet6/in6.c:743 in6_ioctl_change_ifaddr(8080691a,ffff80003c408900,ffff800000b2c000) at in6_ioctl_change_ifaddr+0x621 sys/netinet6/in6.c:354 ifioctl(ffff800001501420,8080691a,ffff80003c408900,ffff8000fffd3c70) at ifioctl+0x1571 pru_control sys/sys/protosw.h:352 [inline] ifioctl(ffff800001501420,8080691a,ffff80003c408900,ffff8000fffd3c70) at ifioctl+0x1571 sys/net/if.c:2466 sys_ioctl(ffff8000fffd3c70,ffff80003c408ae0,ffff80003c408a30) at sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 syscall(ffff80003c408ae0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c408ae0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbd04323c070, 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(0xffffffff83a21110, 0xffff80000152f000, 0, 1) -> e ddb{1}> trace memcpy() at memcpy+0x19 rtm_msg1(14,ffff80003c4084e8) at rtm_msg1+0x306 sys/net/rtsock.c:1647 rtm_addr(14,ffff80000152ef00) at rtm_addr+0xb9 sys/net/rtsock.c:-1 in6_update_ifa(ffff800000b2c000,ffff80003c408900,ffff80000152ef00) at in6_update_ifa+0x1752 sys/netinet6/in6.c:743 in6_ioctl_change_ifaddr(8080691a,ffff80003c408900,ffff800000b2c000) at in6_ioctl_change_ifaddr+0x621 sys/netinet6/in6.c:354 ifioctl(ffff800001501420,8080691a,ffff80003c408900,ffff8000fffd3c70) at ifioctl+0x1571 pru_control sys/sys/protosw.h:352 [inline] ifioctl(ffff800001501420,8080691a,ffff80003c408900,ffff8000fffd3c70) at ifioctl+0x1571 sys/net/if.c:2466 sys_ioctl(ffff8000fffd3c70,ffff80003c408ae0,ffff80003c408a30) at sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 syscall(ffff80003c408ae0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c408ae0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbd04323c070, count: -9 ddb{1}> show registers rdi 0xfffffd805e3ac148 rsi 0xffff80000152f000 rbp 0xffff80003c408460 rbx 0 rdx 0xf9 rcx 0xe rax 0x7d805ce7d148 r8 0x2 r9 0x1 r10 0xb739c34335ef653b r11 0xfffffd805e3ac0c0 r12 0xf9 r13 0xfffffd805f9ffa00 r14 0xf9 r15 0xc0 rip 0xffffffff82158d89 memcpy+0x19 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80003c4083a8 ss 0x10 memcpy+0x19: repe movsq (%rsi),%es:(%rdi) ddb{1}> show proc PROC (syz-executor) tid=129569 pid=57406 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffd3750,0xffff8000fffd2570 process=0xffff8000fffe7a40 user=0xffff80003c403000, vmspace=0xfffffd806c03d980 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 92284 477580 1838 0 7 0 syz-executor 92284 321918 1838 0 2 0x4000000 syz-executor 69548 483659 59713 0 2 0 syz-executor 69548 273399 59713 0 3 0x4000080 fsleep syz-executor 69548 370553 59713 0 3 0x4000080 fsleep syz-executor 57406 298594 15526 0 2 0 syz-executor *57406 129569 15526 0 7 0x4000000 syz-executor 57406 196441 15526 0 3 0x4000080 fsleep syz-executor 52127 210331 82353 0 2 0 syz-executor 52127 202772 82353 0 3 0x4000080 fsleep syz-executor 52127 84127 82353 0 3 0x4000080 fsleep syz-executor 57545 187128 27489 0 3 0x80 nanoslp syz-executor 57545 447728 27489 0 3 0x4000080 fsleep syz-executor 57545 299815 27489 0 3 0x4000080 fsleep syz-executor 57545 289922 27489 0 2 0x4000000 syz-executor 61870 359111 56291 0 3 0x80 nanoslp syz-executor 61870 402030 56291 0 3 0x4000080 ttyout syz-executor 61870 43908 56291 0 3 0x4000080 fsleep syz-executor 61870 120706 56291 0 3 0x4000080 fsleep syz-executor 49526 470412 65614 0 3 0x82 nanoslp syz-executor 1838 299679 65614 0 2 0x3 syz-executor 54577 323370 1 0 3 0x100083 ttyin getty 15526 224989 65614 0 3 0x82 nanoslp syz-executor 56291 523553 65614 0 3 0x82 nanoslp syz-executor 82353 50565 65614 0 2 0x3 syz-executor 54882 283692 0 0 3 0x14200 bored sosplice 20310 295009 65614 0 3 0x82 nanoslp syz-executor 27489 35934 65614 0 3 0x82 nanoslp syz-executor 59713 274443 65614 0 2 0x2 syz-executor 65614 200798 53352 0 2 0x3 syz-executor 53352 75201 24591 0 3 0x10008a sigsusp ksh 24591 459313 43002 0 3 0x98 kqread sshd-session 43002 504900 22994 0 3 0x92 kqread sshd-session 22994 337832 1 0 3 0x88 kqread sshd 36260 385306 43235 74 3 0x1100092 bpf pflogd 43235 246246 1 0 3 0x80 sbwait pflogd 82368 132739 4716 73 3 0x1100090 kqread syslogd 4716 477832 1 0 3 0x100082 sbwait syslogd 94378 359875 1 0 3 0x100080 kqread resolvd 14583 441730 55529 77 2 0x100012 dhcpleased 48466 404142 55529 77 3 0x100092 kqread dhcpleased 55529 128793 1 0 3 0x80 kqread dhcpleased 24124 192893 0 0 3 0x14200 bored smr 31222 175945 0 0 3 0x14200 pgzero zerothread 18527 367704 0 0 3 0x14200 aiodoned aiodoned 72138 1828 0 0 3 0x14200 syncer update 80082 391415 0 0 3 0x14200 cleaner cleaner 26563 297379 0 0 3 0x14200 reaper reaper 9962 221086 0 0 3 0x14200 pgdaemon pagedaemon 70799 107332 0 0 3 0x14200 bored viomb 22020 305899 0 0 3 0x40014200 acpi0 acpi0 74932 436890 0 0 3 0x40014200 idle1 83876 116574 0 0 3 0x14200 bored softnet3 6053 444696 0 0 3 0x14200 bored softnet2 30212 311740 0 0 3 0x14200 bored softnet1 91696 396645 0 0 2 0x14200 softnet0 95296 256069 0 0 3 0x14200 bored systqmp 78260 429571 0 0 3 0x14200 bored systq 49802 524178 0 0 3 0x14200 tmoslp softclockmp 12998 344521 0 0 3 0x40014200 tmoslp softclock 55120 102462 0 0 3 0x40014200 idle0 1 337242 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 57406 (syz-executor) thread 0xffff8000fffd3c70 (129569) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff839a6c28) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 malloc+0xe5 sys/kern/kern_malloc.c:174 #3 counters_read+0x1d4 sys/kern/subr_percpu.c:174 #4 if_getdata+0x16f sys/net/if.c:2844 #5 rtm_ifchg+0xfb sys/net/rtsock.c:1814 #6 if_up+0x202 if_linkstate sys/net/if.c:1810 [inline] #6 if_up+0x202 sys/net/if.c:1778 #7 loioctl+0x158 sys/net/if_loop.c:305 #8 in6_ifinit+0x1ed sys/netinet6/in6.c:971 #9 in6_update_ifa+0x163b sys/netinet6/in6.c:724 #10 in6_ioctl_change_ifaddr+0x621 sys/netinet6/in6.c:354 #11 ifioctl+0x1571 pru_control sys/sys/protosw.h:352 [inline] #11 ifioctl+0x1571 sys/net/if.c:2466 #12 sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 #13 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #14 Xsyscall+0x128 exclusive rwlock netlock r = 0 (0xffffffff838a1780) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 in6_ioctl_change_ifaddr+0x10a sys/netinet6/in6.c:-1 #3 ifioctl+0x1571 pru_control sys/sys/protosw.h:352 [inline] #3 ifioctl+0x1571 sys/net/if.c:2466 #4 sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 #5 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #6 Xsyscall+0x128 Process 57545 (syz-executor) thread 0xffff8000fffea7d8 (289922) exclusive rwlock fdlock r = 0 (0xffff8000fffe9ce0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 doopenat+0x173 sys/kern/vfs_syscalls.c:-1 #3 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #4 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10221 11055K 12378K 166960K 13762 0 pcb 83 18K 18K 166960K 279 0 rtable 214 9K 9K 166960K 796 0 pf 44 19K 21K 166960K 171 0 ifaddr 44 7K 8K 166960K 130 0 ifgroup 66 2K 3K 166960K 197 0 sysctl 4 1K 9K 166960K 14 0 counters 74 37K 38K 166960K 350 0 ioctlops 0 0K 4K 166960K 1967 0 iov 0 0K 16K 166960K 112 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1581 99K 100K 166960K 2861 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 14K 14K 166960K 29 0 VM map 2 1K 1K 166960K 2 0 sem 18 2K 2K 166960K 22 0 dirhash 15 2K 3K 166960K 48 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 240K 166960K 1650 0 sigio 0 0K 0K 166960K 72 0 proc 74 103K 128K 166960K 936 0 subproc 72 4K 4K 166960K 136 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 174 0 in_multi 92 6K 7K 166960K 230 0 ether_multi 1 0K 0K 166960K 12 0 mrt 1 0K 0K 166960K 8 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 616 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 5 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 263 157K 165K 166960K 16040 0 UVM aobj 36 4K 4K 166960K 42 0 pinsyscall 43 86K 104K 166960K 2904 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 85 0 NDP 15 0K 2K 166960K 91 0 temp 78 8696K 8815K 166960K 94637 0 kqueue 13 20K 31K 166960K 302 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 165 0 162 2 1 1 2 0 8 0 rtentry 176 235 0 144 6 0 6 6 0 8 0 unpcb 144 1339 0 1317 13 12 1 8 0 8 0 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 477 0 473 13 12 1 7 0 8 0 arp 128 39 0 24 1 0 1 1 0 8 0 inpcb 328 1847 0 1740 26 17 9 12 0 8 0 nd6 144 53 0 29 2 1 1 2 0 8 0 pkpcb 40 10 0 10 3 2 1 1 0 8 1 kcovpl 48 15 0 7 1 0 1 1 0 8 0 ppxss 1192 121 0 120 3 2 1 1 0 8 0 pppxif 1504 5 0 5 2 2 0 1 0 8 0 pfstscr 40 2 0 2 1 1 0 1 0 8 0 pffrag 232 12 0 1 1 0 1 1 0 482 0 pffrnode 88 12 0 1 1 0 1 1 0 8 0 pffrent 40 19 0 7 1 0 1 1 0 8 0 pfosfp 40 1430 0 1430 5 5 0 5 0 8 0 pfosfpen 112 1430 0 1430 21 21 0 21 0 8 0 pfrktable 1344 1 0 1 1 1 0 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 107 0 24 1 0 1 1 0 8 0 pfstkey 128 113 0 30 3 0 3 3 0 8 0 pfstate 384 109 0 27 9 0 9 9 0 8 0 pfrule 1344 32 0 26 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1053 0 599 39 10 29 31 0 8 0 art_table 32 1054 0 599 4 0 4 4 0 8 0 art_node 16 231 0 152 1 0 1 1 0 8 0 sysvmsgpl 40 21 0 11 1 0 1 1 0 8 0 semupl 112 4 0 4 2 2 0 1 0 8 0 semapl 112 18 0 2 1 0 1 1 0 8 0 shmpl 112 39 0 6 1 0 1 1 0 8 0 dirhash 1024 41 0 22 3 0 3 3 0 8 0 dino2pl 256 4322 0 2799 96 0 96 96 0 8 0 ffsino 288 4322 0 2799 110 0 110 110 0 8 0 nchpl 144 6575 0 4858 65 1 64 64 0 8 0 rtmask 32 13 0 13 4 3 1 1 0 8 1 uvmvnodes 80 5327 0 0 109 0 109 109 0 8 0 vnodes 216 5327 0 0 296 0 296 296 0 8 0 namei 1024 24641 0 24640 3 2 1 2 0 8 0 percpumem 16 190 0 138 1 0 1 1 0 8 0 kstatmem 264 124 0 90 3 0 3 3 0 8 0 scsiplug 72 7 0 7 3 2 1 1 0 8 1 scxspl 216 21985 0 21985 16 13 3 8 1 8 3 plimitpl 152 224 0 204 1 0 1 1 0 8 0 sigapl 424 1946 0 1895 10 1 9 9 0 8 2 knotepl 120 577 0 0 18 0 18 18 0 8 0 kqueuepl 224 696 0 686 13 8 5 5 0 8 4 pipepl 336 267 0 240 5 2 3 5 0 8 0 fdescpl 520 1905 0 1873 3 0 3 3 0 8 0 filepl 160 13197 0 12841 26 11 15 18 0 8 0 lockfpl 104 756 0 721 3 1 2 2 0 8 1 lockfspl 48 340 0 337 1 0 1 1 0 8 0 sessionpl 144 30 0 21 1 0 1 1 0 8 0 pgrppl 48 68 0 51 1 0 1 1 0 8 0 ucredpl 104 2176 0 2161 1 0 1 1 0 8 0 zombiepl 144 2031 0 2029 1 0 1 1 0 8 0 processpl 1240 1946 0 1895 6 0 6 6 0 8 0 procpl 656 4461 0 4397 9 1 8 8 0 8 0 srpgc 96 18 0 18 4 3 1 1 0 8 1 sosppl 168 4 0 4 3 3 0 1 0 8 0 sockpl 728 3399 0 3265 44 31 13 21 0 8 0 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 119 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 35 0 0 5 0 5 5 0 8 0 mtagpl 96 52 0 0 2 0 2 2 0 8 0 mbufpl 256 1164 0 0 73 0 73 73 0 8 0 bufpl 280 6461 0 319 439 0 439 439 0 8 0 anonpl 32 10135 0 0 82 0 82 82 0 246 0 amapchunkpl 152 60364 0 59779 48 19 29 37 0 158 6 amappl16 200 4147 0 4109 28 24 4 15 0 8 0 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 127 0 115 1 0 1 1 0 8 0 amappl13 176 6 0 6 1 1 0 1 0 8 0 amappl12 168 2691 0 2659 4 2 2 3 0 8 0 amappl11 160 51 0 37 1 0 1 1 0 8 0 amappl10 152 49 0 49 1 1 0 1 0 8 0 amappl9 144 251 0 251 1 1 0 1 0 8 0 amappl8 136 26 0 23 1 0 1 1 0 8 0 amappl7 128 135 0 123 1 0 1 1 0 8 0 amappl6 120 246 0 242 1 0 1 1 0 8 0 amappl5 112 152 0 141 1 0 1 1 0 8 0 amappl4 104 335 0 312 1 0 1 1 0 8 0 amappl3 96 11055 0 10931 4 0 4 4 0 8 0 amappl2 88 732 0 668 2 0 2 2 0 8 0 amappl1 80 15068 0 14453 17 3 14 16 0 8 0 amappl 88 15014 0 14824 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 128 257 0 257 2 2 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 41 0 6 1 0 1 1 0 8 0 uaddrrnd 24 1905 0 1873 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1905 0 1873 1 0 1 1 0 8 0 vmmpekpl 168 16389 0 16335 3 0 3 3 0 8 0 vmmpepl 168 122115 0 120010 111 17 94 102 0 357 1 vmsppl 480 1904 0 1873 6 1 5 5 0 8 0 rwobjpl 72 36060 0 29711 118 2 116 116 0 8 0 pdppl 4096 3818 0 3746 110 36 74 86 0 8 2 pvpl 32 18258 0 0 149 1 148 148 0 265 0 pmappl 256 1904 0 1873 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 482 0 65 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff838b7ff0) 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(ffffffff839a6a20) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:131 [inline] __mp_lock(ffffffff839a6a20) at __mp_lock+0x192 sys/kern/kern_lock.c:162 softintr_dispatch(0) at softintr_dispatch+0x12a sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x745dcbe2cc80, count: 8 ddb{0}> trace x86_ipi_db(ffffffff838b7ff0) 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(ffffffff839a6a20) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:131 [inline] __mp_lock(ffffffff839a6a20) at __mp_lock+0x192 sys/kern/kern_lock.c:162 softintr_dispatch(0) at softintr_dispatch+0x12a sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x745dcbe2cc80, count: -7 ddb{0}> machine ddbcpu 1 Stopped at memcpy+0x19: repe movsq (%rsi),%es:(%rdi) memcpy() at memcpy+0x19 rtm_msg1(14,ffff80003c4084e8) at rtm_msg1+0x306 sys/net/rtsock.c:1647 rtm_addr(14,ffff80000152ef00) at rtm_addr+0xb9 sys/net/rtsock.c:-1 in6_update_ifa(ffff800000b2c000,ffff80003c408900,ffff80000152ef00) at in6_update_ifa+0x1752 sys/netinet6/in6.c:743 in6_ioctl_change_ifaddr(8080691a,ffff80003c408900,ffff800000b2c000) at in6_ioctl_change_ifaddr+0x621 sys/netinet6/in6.c:354 ifioctl(ffff800001501420,8080691a,ffff80003c408900,ffff8000fffd3c70) at ifioctl+0x1571 pru_control sys/sys/protosw.h:352 [inline] ifioctl(ffff800001501420,8080691a,ffff80003c408900,ffff8000fffd3c70) at ifioctl+0x1571 sys/net/if.c:2466 sys_ioctl(ffff8000fffd3c70,ffff80003c408ae0,ffff80003c408a30) at sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 syscall(ffff80003c408ae0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c408ae0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbd04323c070, count: 6 ddb{1}> trace memcpy() at memcpy+0x19 rtm_msg1(14,ffff80003c4084e8) at rtm_msg1+0x306 sys/net/rtsock.c:1647 rtm_addr(14,ffff80000152ef00) at rtm_addr+0xb9 sys/net/rtsock.c:-1 in6_update_ifa(ffff800000b2c000,ffff80003c408900,ffff80000152ef00) at in6_update_ifa+0x1752 sys/netinet6/in6.c:743 in6_ioctl_change_ifaddr(8080691a,ffff80003c408900,ffff800000b2c000) at in6_ioctl_change_ifaddr+0x621 sys/netinet6/in6.c:354 ifioctl(ffff800001501420,8080691a,ffff80003c408900,ffff8000fffd3c70) at ifioctl+0x1571 pru_control sys/sys/protosw.h:352 [inline] ifioctl(ffff800001501420,8080691a,ffff80003c408900,ffff8000fffd3c70) at ifioctl+0x1571 sys/net/if.c:2466 sys_ioctl(ffff8000fffd3c70,ffff80003c408ae0,ffff80003c408a30) at sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 syscall(ffff80003c408ae0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c408ae0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbd04323c070, count: -9