uvm_fault(0xffffffff8396bf70, 0xffff80000148e000, 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 479305 37443 0 0 0 0 syz-executor *296351 37443 0 0 0x4000000 1K syz-executor memcpy() at memcpy+0x19 rtm_msg1(14,ffff80003c47d188) at rtm_msg1+0x306 sys/net/rtsock.c:1627 rtm_addr(14,ffff80000148df00) at rtm_addr+0xb9 sys/net/rtsock.c:-1 in6_update_ifa(ffff800000b2d000,ffff80003c47d5a0,ffff80000148df00) at in6_update_ifa+0x199a sys/netinet6/in6.c:741 in6_ioctl_change_ifaddr(8080691a,ffff80003c47d5a0,ffff800000b2d000) at in6_ioctl_change_ifaddr+0x64e sys/netinet6/in6.c:352 ifioctl(ffff800001562a70,8080691a,ffff80003c47d5a0,ffff80002a2e5260) at ifioctl+0x156d pru_control sys/sys/protosw.h:352 [inline] ifioctl(ffff800001562a70,8080691a,ffff80003c47d5a0,ffff80002a2e5260) at ifioctl+0x156d sys/net/if.c:2454 sys_ioctl(ffff80002a2e5260,ffff80003c47d780,ffff80003c47d6d0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c47d780) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c47d780) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbf6d2ee2b30, 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(0xffffffff8396bf70, 0xffff80000148e000, 0, 1) -> e ddb{1}> trace memcpy() at memcpy+0x19 rtm_msg1(14,ffff80003c47d188) at rtm_msg1+0x306 sys/net/rtsock.c:1627 rtm_addr(14,ffff80000148df00) at rtm_addr+0xb9 sys/net/rtsock.c:-1 in6_update_ifa(ffff800000b2d000,ffff80003c47d5a0,ffff80000148df00) at in6_update_ifa+0x199a sys/netinet6/in6.c:741 in6_ioctl_change_ifaddr(8080691a,ffff80003c47d5a0,ffff800000b2d000) at in6_ioctl_change_ifaddr+0x64e sys/netinet6/in6.c:352 ifioctl(ffff800001562a70,8080691a,ffff80003c47d5a0,ffff80002a2e5260) at ifioctl+0x156d pru_control sys/sys/protosw.h:352 [inline] ifioctl(ffff800001562a70,8080691a,ffff80003c47d5a0,ffff80002a2e5260) at ifioctl+0x156d sys/net/if.c:2454 sys_ioctl(ffff80002a2e5260,ffff80003c47d780,ffff80003c47d6d0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c47d780) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c47d780) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbf6d2ee2b30, count: -9 ddb{1}> show registers rdi 0xfffffd80645d5948 rsi 0xffff80000148e000 rbp 0xffff80003c47d100 rbx 0xfffffd806ec8c500 rdx 0xf9 rcx 0xe rax 0x7d8063147948 r8 0x2 r9 0x8080808080808080 r10 0xeb531f237abcbbb3 r11 0xfffffd80645d58c0 r12 0xf9 r13 0xf9 r14 0xc0 r15 0xfffffd806ec8c500 rip 0xffffffff82e2bf09 memcpy+0x19 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80003c47d048 ss 0x10 memcpy+0x19: repe movsq (%rsi),%es:(%rdi) ddb{1}> show proc PROC (syz-executor) tid=296351 pid=37443 tcnt=3 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=0xffff80002a2e4038,0xffff80002a2e4fd8 process=0xffff80003c4279e0 user=0xffff80003c478000, vmspace=0xfffffd800b027988 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 65225 15864 63440 0 2 0 syz-executor 65225 221342 63440 0 3 0x4000080 fsleep syz-executor 37443 479305 257 0 7 0 syz-executor *37443 296351 257 0 7 0x4000000 syz-executor 37443 209072 257 0 3 0x4000080 fsleep syz-executor 21532 345758 73410 0 2 0 syz-executor 21532 505136 73410 0 3 0x4000080 fifor syz-executor 21532 364208 73410 0 2 0x4000000 syz-executor 12004 488301 98847 0 3 0x80 nanoslp syz-executor 12004 215816 98847 0 3 0x4000080 kqsel syz-executor 12004 109447 98847 0 3 0x4000080 fsleep syz-executor 41602 204123 75429 0 3 0x80 nanoslp syz-executor 41602 442502 75429 0 3 0x4000080 netcon syz-executor 41602 222316 75429 0 3 0x4000080 fsleep syz-executor 13953 321763 99594 0 3 0x80 nanoslp syz-executor 13953 187565 99594 0 3 0x4000080 kqsel syz-executor 13953 20201 99594 0 3 0x4000080 fsleep syz-executor 75429 352267 15765 0 3 0x82 nanoslp syz-executor 98847 463301 15765 0 3 0x82 nanoslp syz-executor 63440 223275 15765 0 3 0x82 nanoslp syz-executor 97600 213303 15765 0 3 0x2 biowait syz-executor 99594 367368 15765 0 3 0x82 nanoslp syz-executor 43992 284161 1 0 3 0x100083 ttyin getty 11499 208482 0 0 3 0x14200 bored sosplice 27855 373585 15765 0 3 0x82 wait syz-executor 73410 231880 15765 0 3 0x82 nanoslp syz-executor 257 115300 15765 0 3 0x82 nanoslp syz-executor 15765 449983 217 0 3 0x82 kqread syz-executor 217 369183 77681 0 3 0x10008a sigsusp ksh 77681 205684 7083 0 3 0x98 kqread sshd-session 7083 427499 24489 0 3 0x92 kqread sshd-session 24489 489648 1 0 3 0x88 kqread sshd 79611 352894 22188 74 3 0x1100092 bpf pflogd 22188 24802 1 0 3 0x80 sbwait pflogd 55973 500360 21590 73 3 0x1100090 kqread syslogd 21590 471695 1 0 3 0x100082 sbwait syslogd 55059 331747 1 0 3 0x100080 kqread resolvd 59149 402982 12462 77 2 0x100092 dhcpleased 38189 139627 12462 77 3 0x100092 kqread dhcpleased 12462 87753 1 0 3 0x80 kqread dhcpleased 39954 293448 0 0 3 0x14200 bored smr 7959 426018 0 0 2 0x14200 zerothread 9145 520662 0 0 3 0x14200 aiodoned aiodoned 12635 198567 0 0 3 0x14200 syncer update 18875 403019 0 0 3 0x14200 cleaner cleaner 34690 147767 0 0 3 0x14200 reaper reaper 13140 521247 0 0 3 0x14200 pgdaemon pagedaemon 97588 39478 0 0 3 0x14200 bored viomb 20735 371570 0 0 3 0x40014200 acpi0 acpi0 41485 307474 0 0 3 0x40014200 idle1 91968 281542 0 0 3 0x14200 bored softnet7 49506 458931 0 0 3 0x14200 bored softnet6 89140 384134 0 0 3 0x14200 bored softnet5 40739 197338 0 0 3 0x14200 bored softnet4 23749 435550 0 0 3 0x14200 bored softnet3 49906 129503 0 0 3 0x14200 bored softnet2 64720 8169 0 0 3 0x14200 bored softnet1 68232 107783 0 0 3 0x14200 bored softnet0 94879 467644 0 0 3 0x14200 bored systqmp 99863 470303 0 0 3 0x14200 bored systq 17504 86904 0 0 3 0x14200 tmoslp softclockmp 83130 423821 0 0 3 0x40014200 tmoslp softclock 78206 159081 0 0 3 0x40014200 idle0 1 478569 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 37443 (syz-executor) thread 0xffff80002a2e5260 (296351) exclusive rwlock netlock r = 0 (0xffffffff837dcb20) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 in6_ioctl_change_ifaddr+0x10b sys/netinet6/in6.c:291 #3 ifioctl+0x156d pru_control sys/sys/protosw.h:352 [inline] #3 ifioctl+0x156d sys/net/if.c:2454 #4 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8387d388) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 ifioctl+0x47f if_unit sys/net/if.c:-1 [inline] #1 ifioctl+0x47f sys/net/if.c:2101 #2 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #3 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #4 Xsyscall+0x128 Process 97600 (syz-executor) thread 0xffff800037008020 (213303) exclusive rrwlock inode r = 0 (0xfffffd806e127598) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806f574ea8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10215 11048K 11388K 166960K 13589 0 pcb 18 17K 21K 166960K 682 0 rtable 216 13K 14K 166960K 706 0 pf 38 18K 82K 166960K 291 0 ifaddr 39 7K 9K 166960K 186 0 ifgroup 55 2K 2K 166960K 324 0 sysctl 4 1K 9K 166960K 28 0 counters 68 36K 38K 166960K 362 0 ioctlops 0 0K 4K 166960K 2226 0 iov 0 0K 36K 166960K 256 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1427 90K 91K 166960K 3265 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 43 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 200 0 dirhash 12 2K 2K 166960K 51 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 2611 0 sigio 0 0K 0K 166960K 43 0 proc 72 115K 164K 166960K 946 0 subproc 72 4K 4K 166960K 126 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 431 0 in_multi 83 6K 7K 166960K 262 0 ether_multi 1 0K 0K 166960K 29 0 mrt 1 0K 0K 166960K 12 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 115 519K 519K 166960K 115 0 exec 0 0K 1K 166960K 824 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 6 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 244 167K 187K 166960K 24251 0 UVM aobj 131 5K 5K 166960K 141 0 pinsyscall 42 84K 100K 166960K 3855 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 1K 166960K 165 0 NDP 12 0K 2K 166960K 134 0 temp 82 8652K 8908K 166960K 116083 0 kqueue 13 20K 30K 166960K 491 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 120 302 0 298 4 3 1 3 0 8 0 rtentry 176 217 0 138 5 0 5 5 0 8 0 unpcb 144 2054 0 2032 14 10 4 6 0 8 3 syncache 336 9 0 9 5 4 1 1 0 8 1 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 978 0 971 16 9 7 7 0 8 6 arp 128 24 0 14 1 0 1 1 0 8 0 inpcb 328 3422 0 3407 35 26 9 15 0 8 7 nd6 144 49 0 27 1 0 1 1 0 8 0 pkpcb 40 19 0 19 5 4 1 1 0 8 1 kcovpl 48 14 0 6 1 0 1 1 0 8 0 ppxss 1192 114 0 114 2 1 1 1 0 8 1 pppxif 1504 13 0 13 4 3 1 1 0 8 1 pffrag 232 17 0 9 1 0 1 1 0 482 0 pffrnode 88 13 0 5 1 0 1 1 0 8 0 pffrent 40 33 0 25 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 6 0 2 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 192 0 83 1 0 1 1 0 8 0 pfstkey 128 194 0 85 4 0 4 4 0 8 0 pfstate 384 193 0 84 11 0 11 11 0 8 0 pfrule 1344 28 0 22 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 1154 0 679 41 7 34 34 0 8 4 art_table 40 1157 0 679 6 0 6 6 0 8 0 art_node 32 216 0 148 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 6 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 126 0 116 1 0 1 1 0 8 0 shmpl 112 138 0 10 4 0 4 4 0 8 0 dirhash 1024 43 0 26 3 0 3 3 0 8 0 dino2pl 256 6172 0 4657 96 0 96 96 0 8 0 ffsino 296 6172 0 4657 117 0 117 117 0 8 0 nchpl 144 9794 0 9229 64 30 34 64 0 8 8 rtmask 32 26 0 26 2 1 1 1 0 8 1 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 34009 0 34008 3 1 2 2 0 8 1 percpumem 16 196 0 147 1 0 1 1 0 8 0 pfiaddrpl 120 2 0 0 1 0 1 1 0 8 0 kstatmem 264 212 0 186 6 3 3 3 0 8 1 acpiwqpl 32 2 0 2 1 0 1 1 1 8 1 scsiplug 72 16 0 16 4 3 1 1 0 8 1 scxspl 216 53204 0 53203 12 10 2 6 1 8 1 plimitpl 152 638 0 621 1 0 1 1 0 8 0 sigapl 424 2897 0 2843 7 0 7 7 0 8 0 knotepl 120 604 0 0 17 0 17 17 0 8 0 kqueuepl 224 1049 0 1035 12 10 2 5 0 8 0 pipepl 344 709 0 682 18 9 9 9 0 8 6 fdescpl 528 2871 0 2840 3 0 3 3 0 8 0 filepl 160 20413 0 20183 38 17 21 22 0 8 8 lockfpl 104 2185 0 2181 5 3 2 2 0 8 1 lockfspl 48 489 0 485 1 0 1 1 0 8 0 sessionpl 144 32 0 23 1 0 1 1 0 8 0 pgrppl 48 86 0 69 1 0 1 1 0 8 0 ucredpl 104 2716 0 2703 1 0 1 1 0 8 0 zombiepl 144 2844 0 2843 1 0 1 1 0 8 0 processpl 1232 2897 0 2843 5 0 5 5 0 8 0 procpl 664 6878 0 6813 8 1 7 7 0 8 0 sosppl 168 17 0 17 6 5 1 1 0 8 1 sockpl 752 5923 0 5882 60 48 12 23 0 8 7 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 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 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 114 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 66 0 0 7 0 7 7 0 8 0 mtagpl 96 11 0 0 1 0 1 1 0 8 0 mbufpl 256 320 0 0 18 0 18 18 0 8 0 bufpl 280 21928 0 15785 439 0 439 439 0 8 0 anonpl 32 8379 0 0 68 0 68 68 0 246 0 amapchunkpl 152 83029 0 82509 42 17 25 29 0 158 0 amappl16 200 8933 0 8895 45 30 15 16 0 8 6 amappl15 192 10 0 10 2 2 0 1 0 8 0 amappl14 184 132 0 120 1 0 1 1 0 8 0 amappl13 176 5 0 5 2 2 0 1 0 8 0 amappl12 168 3609 0 3578 3 1 2 2 0 8 0 amappl11 160 54 0 40 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 1 0 1 0 8 0 amappl9 144 260 0 258 1 0 1 1 0 8 0 amappl8 136 23 0 20 1 0 1 1 0 8 0 amappl7 128 130 0 118 1 0 1 1 0 8 0 amappl6 120 270 0 265 1 0 1 1 0 8 0 amappl5 112 147 0 137 1 0 1 1 0 8 0 amappl4 104 326 0 306 1 0 1 1 0 8 0 amappl3 96 17574 0 17460 5 1 4 4 0 8 0 amappl2 88 800 0 733 2 0 2 2 0 8 0 amappl1 80 19506 0 18902 17 2 15 17 0 8 0 amappl 88 23078 0 22908 6 1 5 5 0 92 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 8 0 8 2 2 0 1 0 8 0 dma128 128 256 0 256 4 4 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 140 0 10 3 0 3 3 0 8 0 uaddrrnd 24 2871 0 2840 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2871 0 2840 1 0 1 1 0 8 0 vmmpekpl 168 23408 0 23350 4 1 3 3 0 8 0 vmmpepl 168 181768 0 179728 117 14 103 103 0 357 1 vmsppl 488 2870 0 2840 6 1 5 5 0 8 0 rwobjpl 80 51716 0 44706 150 1 149 149 0 8 1 pdppl 4096 5750 0 5680 106 32 74 84 0 8 4 pvpl 32 17967 0 0 146 1 145 145 0 265 0 pmappl 256 2870 0 2840 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 325 0 58 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83841ff0) 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(ffffffff8387d180) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8387d180) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a3e1f40,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x702f48abfd40, count: 9 ddb{0}> trace x86_ipi_db(ffffffff83841ff0) 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(ffffffff8387d180) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8387d180) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a3e1f40,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x702f48abfd40, count: -6 ddb{0}> machine ddbcpu 1 Stopped at memcpy+0x19: repe movsq (%rsi),%es:(%rdi) memcpy() at memcpy+0x19 rtm_msg1(14,ffff80003c47d188) at rtm_msg1+0x306 sys/net/rtsock.c:1627 rtm_addr(14,ffff80000148df00) at rtm_addr+0xb9 sys/net/rtsock.c:-1 in6_update_ifa(ffff800000b2d000,ffff80003c47d5a0,ffff80000148df00) at in6_update_ifa+0x199a sys/netinet6/in6.c:741 in6_ioctl_change_ifaddr(8080691a,ffff80003c47d5a0,ffff800000b2d000) at in6_ioctl_change_ifaddr+0x64e sys/netinet6/in6.c:352 ifioctl(ffff800001562a70,8080691a,ffff80003c47d5a0,ffff80002a2e5260) at ifioctl+0x156d pru_control sys/sys/protosw.h:352 [inline] ifioctl(ffff800001562a70,8080691a,ffff80003c47d5a0,ffff80002a2e5260) at ifioctl+0x156d sys/net/if.c:2454 sys_ioctl(ffff80002a2e5260,ffff80003c47d780,ffff80003c47d6d0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c47d780) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c47d780) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbf6d2ee2b30, count: 6 ddb{1}> trace memcpy() at memcpy+0x19 rtm_msg1(14,ffff80003c47d188) at rtm_msg1+0x306 sys/net/rtsock.c:1627 rtm_addr(14,ffff80000148df00) at rtm_addr+0xb9 sys/net/rtsock.c:-1 in6_update_ifa(ffff800000b2d000,ffff80003c47d5a0,ffff80000148df00) at in6_update_ifa+0x199a sys/netinet6/in6.c:741 in6_ioctl_change_ifaddr(8080691a,ffff80003c47d5a0,ffff800000b2d000) at in6_ioctl_change_ifaddr+0x64e sys/netinet6/in6.c:352 ifioctl(ffff800001562a70,8080691a,ffff80003c47d5a0,ffff80002a2e5260) at ifioctl+0x156d pru_control sys/sys/protosw.h:352 [inline] ifioctl(ffff800001562a70,8080691a,ffff80003c47d5a0,ffff80002a2e5260) at ifioctl+0x156d sys/net/if.c:2454 sys_ioctl(ffff80002a2e5260,ffff80003c47d780,ffff80003c47d6d0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c47d780) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c47d780) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbf6d2ee2b30, count: -9