uvm_fault(0xffffffff8389b3d8, 0xffff8000013f8000, 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 397103 7333 0 0 0 0 syz-executor * 15266 7333 0 0 0x4000000 1K syz-executor memcpy() at memcpy+0x19 rtm_msg1(14,ffff80002a3b3fb8) at rtm_msg1+0x306 sys/net/rtsock.c:1627 rtm_addr(14,ffff8000013f7f00) at rtm_addr+0xb9 sys/net/rtsock.c:-1 in6_update_ifa(ffff800000afd800,ffff80002a3b43d0,ffff8000013f7f00) at in6_update_ifa+0x199a sys/netinet6/in6.c:741 in6_ioctl_change_ifaddr(8080691a,ffff80002a3b43d0,ffff800000afd800) at in6_ioctl_change_ifaddr+0x64e sys/netinet6/in6.c:352 ifioctl(ffff800010fd0bd0,8080691a,ffff80002a3b43d0,ffff8000fffead20) at ifioctl+0x16d2 pru_control sys/sys/protosw.h:353 [inline] ifioctl(ffff800010fd0bd0,8080691a,ffff80002a3b43d0,ffff8000fffead20) at ifioctl+0x16d2 sys/net/if.c:2480 sys_ioctl(ffff8000fffead20,ffff80002a3b45b0,ffff80002a3b4500) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80002a3b45b0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3b45b0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x838bbc1630, 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(0xffffffff8389b3d8, 0xffff8000013f8000, 0, 1) -> e ddb{1}> trace memcpy() at memcpy+0x19 rtm_msg1(14,ffff80002a3b3fb8) at rtm_msg1+0x306 sys/net/rtsock.c:1627 rtm_addr(14,ffff8000013f7f00) at rtm_addr+0xb9 sys/net/rtsock.c:-1 in6_update_ifa(ffff800000afd800,ffff80002a3b43d0,ffff8000013f7f00) at in6_update_ifa+0x199a sys/netinet6/in6.c:741 in6_ioctl_change_ifaddr(8080691a,ffff80002a3b43d0,ffff800000afd800) at in6_ioctl_change_ifaddr+0x64e sys/netinet6/in6.c:352 ifioctl(ffff800010fd0bd0,8080691a,ffff80002a3b43d0,ffff8000fffead20) at ifioctl+0x16d2 pru_control sys/sys/protosw.h:353 [inline] ifioctl(ffff800010fd0bd0,8080691a,ffff80002a3b43d0,ffff8000fffead20) at ifioctl+0x16d2 sys/net/if.c:2480 sys_ioctl(ffff8000fffead20,ffff80002a3b45b0,ffff80002a3b4500) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80002a3b45b0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3b45b0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x838bbc1630, count: -9 ddb{1}> show registers rdi 0xfffffd806d097948 rsi 0xffff8000013f8000 rbp 0xffff80002a3b3f30 rbx 0xfffffd8059c2df00 rdx 0xea rcx 0xc rax 0x7d806bc9f948 r8 0x2 r9 0x8080808080808080 r10 0x992d7403bb0d4ef7 r11 0xfffffd806d0978c0 r12 0xea r13 0xea r14 0xc0 r15 0xfffffd8059c2df00 rip 0xffffffff81e1b0c9 memcpy+0x19 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff80002a3b3e78 ss 0x10 memcpy+0x19: repe movsq (%rsi),%es:(%rdi) ddb{1}> show proc PROC (syz-executor) tid=15266 pid=7333 tcnt=2 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=0xffff8000fffeb4e8,0xffff8000fffeb260 process=0xffff80003c454e98 user=0xffff80002a3af000, vmspace=0xfffffd805a3663f8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 80558 274812 84644 0 2 0 syz-executor 7333 397103 84272 0 7 0 syz-executor * 7333 15266 84272 0 7 0x4000000 syz-executor 26171 139709 2097 0 2 0 syz-executor 26171 411222 2097 0 3 0x4000080 netcon syz-executor 94823 389348 35016 0 2 0 syz-executor 94823 38276 35016 0 3 0x4000080 fsleep syz-executor 94823 193483 35016 0 3 0x4000080 fsleep syz-executor 4400 472588 66084 0 3 0x80 nanoslp syz-executor 4400 332087 66084 0 3 0x4000080 kqpoll syz-executor 4400 122042 66084 0 3 0x4000080 fsleep syz-executor 84644 170245 13989 0 3 0x82 nanoslp syz-executor 35016 248435 13989 0 3 0x82 nanoslp syz-executor 39684 419140 13989 0 3 0x82 nanoslp syz-executor 84272 438213 13989 0 3 0x82 nanoslp syz-executor 2097 285174 13989 0 3 0x82 nanoslp syz-executor 66084 2739 13989 0 3 0x82 nanoslp syz-executor 14757 256359 13989 0 3 0x82 piperd syz-executor 16160 250450 13989 0 3 0x82 nanoslp syz-executor 13989 494730 20387 0 2 0x2 syz-executor 20387 309263 80324 0 3 0x10008a sigsusp ksh 80324 103583 20061 0 3 0x98 kqread sshd-session 20061 12887 26594 0 3 0x92 kqread sshd-session 54556 328612 1 0 3 0x100083 ttyopn getty 26594 412220 1 0 3 0x88 kqread sshd 95280 105436 35440 74 3 0x1100092 bpf pflogd 35440 376589 1 0 3 0x80 sbwait pflogd 66413 160199 21686 73 3 0x1100090 kqread syslogd 21686 398095 1 0 3 0x100082 sbwait syslogd 13597 336140 1 0 3 0x100080 kqread resolvd 65614 215843 0 0 3 0x14200 bored smr 97824 307076 0 0 2 0x14200 zerothread 21136 81634 0 0 3 0x14200 aiodoned aiodoned 62051 86088 0 0 3 0x14200 syncer update 61289 270891 0 0 3 0x14200 cleaner cleaner 62985 298772 0 0 3 0x14200 reaper reaper 69791 340283 0 0 3 0x14200 pgdaemon pagedaemon 65681 95554 0 0 3 0x14200 bored viomb 12915 310822 0 0 3 0x40014200 acpi0 acpi0 44795 34870 0 0 3 0x40014200 idle1 21982 60809 0 0 3 0x14200 bored softnet1 96922 272991 0 0 3 0x14200 bored softnet0 77115 482143 0 0 3 0x14200 smrbar systqmp 17257 354084 0 0 3 0x14200 bored systq 11229 312918 0 0 3 0x14200 tmoslp softclockmp 95465 360445 0 0 3 0x40014200 tmoslp softclock 79862 85377 0 0 3 0x40014200 idle0 1 391160 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 7333 (syz-executor) thread 0xffff8000fffead20 (15266) exclusive rwlock netlock r = 0 (0xffffffff838223e0) #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+0x16d2 pru_control sys/sys/protosw.h:353 [inline] #3 ifioctl+0x16d2 sys/net/if.c:2480 #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:765 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8389d228) #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:2123 #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:765 #4 Xsyscall+0x128 Process 77115 (systqmp) thread 0xffff8000ffffe000 (482143) shared rwlock systqmp r = 0 (0xffffffff838448b8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10234 11057K 12496K 166960K 14561 0 pcb 20 18K 20K 166960K 999 0 rtable 230 15K 15K 166960K 1525 0 pf 45 20K 83K 166960K 630 0 ifaddr 39 8K 9K 166960K 338 0 ifgroup 57 2K 3K 166960K 637 0 sysctl 4 1K 9K 166960K 102 0 counters 70 37K 38K 166960K 802 0 ioctlops 0 0K 4K 166960K 2954 0 iov 0 0K 28K 166960K 371 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1485 93K 94K 166960K 5232 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 36 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 179 0 dirhash 12 2K 2K 166960K 66 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 4705 0 sigio 0 0K 0K 166960K 208 0 proc 67 83K 164K 166960K 1596 0 subproc 72 4K 4K 166960K 208 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 838 0 in_multi 70 5K 7K 166960K 499 0 ether_multi 1 0K 0K 166960K 63 0 mrt 1 0K 0K 166960K 53 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 253 1129K 1129K 166960K 253 0 exec 0 0K 1K 166960K 1495 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 7 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 221 143K 176K 166960K 43980 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 36 72K 102K 166960K 6222 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 429 0 NDP 13 0K 2K 166960K 242 0 temp 99 8660K 8788K 166960K 203522 0 kqueue 7 12K 32K 166960K 931 0 SYN cache 2 8K 16K 166960K 3 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 120 576 0 575 4 3 1 3 0 8 0 rtentry 176 447 0 368 6 1 5 6 0 8 0 unpcb 144 3893 0 3880 25 24 1 10 0 8 0 syncache 336 15 0 15 7 7 0 1 0 8 0 tcpqe 32 2 8 2 2 2 0 1 0 8 0 tcpcb 736 1942 0 1931 36 34 2 7 0 8 1 arp 136 65 0 50 1 0 1 1 0 8 0 inpcb 328 5838 0 5822 45 41 4 13 0 8 2 nd6 152 83 0 67 1 0 1 1 0 8 0 pkpcb 40 45 0 45 6 6 0 1 0 8 0 kcovpl 48 23 0 15 1 0 1 1 0 8 0 mppekey 1024 33 0 33 1 1 0 1 0 8 0 ppxss 1192 285 0 284 4 3 1 1 0 8 0 pppxif 1504 117 0 117 6 5 1 1 0 8 1 pfstscr 40 4 0 4 3 3 0 1 0 8 0 pffrag 232 64 0 50 2 0 2 2 0 482 0 pffrnode 88 57 0 44 1 0 1 1 0 8 0 pffrent 40 154 0 140 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 4 0 3 2 1 1 1 0 8 0 pfanchor 1288 3 0 0 1 0 1 1 0 8 0 pftag 88 3 0 1 1 0 1 1 0 8 0 pfstitem 24 308 0 211 1 0 1 1 0 8 0 pfstkey 128 434 0 337 4 0 4 4 0 8 0 pfstate 384 371 0 276 17 6 11 17 0 8 0 pfrule 1344 57 0 51 2 1 1 2 0 8 0 rttmr 136 10 0 10 6 5 1 1 0 8 1 art_heap8 4096 6 0 1 6 1 5 6 0 8 0 art_heap4 256 2045 0 1690 40 17 23 31 0 8 0 art_table 40 2051 0 1691 5 0 5 5 0 8 0 art_node 32 442 0 373 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 6 1 0 1 1 0 8 0 semupl 112 4 0 4 3 3 0 1 0 8 0 semapl 112 160 0 150 1 0 1 1 0 8 0 dirhash 1024 53 0 36 3 0 3 3 0 8 0 dino2pl 256 10687 0 9120 99 0 99 99 0 8 0 ffsino 296 10687 0 9120 122 1 121 121 0 8 0 nchpl 144 17019 0 15279 65 0 65 65 0 8 0 rtmask 32 43 0 43 7 6 1 1 0 8 1 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 65108 0 65108 11 10 1 4 0 8 1 percpumem 16 416 0 366 1 0 1 1 0 8 0 kstatmem 264 390 0 360 4 1 3 3 0 8 0 acpiwqpl 32 3 0 3 1 0 1 1 1 8 1 scsiplug 72 26 0 26 6 5 1 1 0 8 1 scxspl 216 116171 0 116171 13 11 2 8 1 8 2 plimitpl 152 1506 0 1489 1 0 1 1 0 8 0 sigapl 424 4972 0 4928 8 1 7 7 0 8 0 knotepl 120 792 0 0 23 0 23 23 0 8 0 kqueuepl 224 1908 0 1900 16 13 3 5 0 8 2 pipepl 344 621 0 594 9 6 3 6 0 8 0 fdescpl 528 4936 0 4908 3 0 3 3 0 8 0 filepl 160 37380 0 37163 50 37 13 23 0 8 0 lockfpl 104 1914 0 1910 2 1 1 2 0 8 0 lockfspl 48 710 0 706 1 0 1 1 0 8 0 sessionpl 144 45 0 37 1 0 1 1 0 8 0 pgrppl 48 131 0 115 1 0 1 1 0 8 0 ucredpl 104 7274 0 7263 1 0 1 1 0 8 0 zombiepl 144 5796 0 5794 3 2 1 1 0 8 0 processpl 1232 4972 0 4928 7 3 4 6 0 8 0 procpl 664 12135 0 12085 8 2 6 7 0 8 0 sosppl 176 36 0 36 6 6 0 1 0 8 0 sockpl 752 10624 0 10594 94 87 7 29 0 8 4 mcl64k 65536 25 0 0 4 0 4 4 0 8 0 mcl16k 16384 19 0 0 3 0 3 3 0 8 0 mcl12k 12288 7 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 115 0 0 15 1 14 15 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 87 0 0 9 0 9 9 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 1865 0 0 115 1 114 114 0 8 0 bufpl 280 52000 0 45863 439 0 439 439 0 8 0 anonpl 32 15530 0 0 125 0 125 125 0 246 0 amapchunkpl 152 152656 0 152118 67 33 34 35 0 158 10 amappl16 200 18508 0 18380 113 92 21 39 0 8 5 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 11 0 11 4 3 1 1 0 8 1 amappl13 176 618 0 617 1 0 1 1 0 8 0 amappl12 168 5410 0 5375 4 2 2 3 0 8 0 amappl11 160 10 0 9 1 0 1 1 0 8 0 amappl10 152 62 0 54 1 0 1 1 0 8 0 amappl9 144 246 0 246 1 1 0 1 0 8 0 amappl8 136 33 0 29 1 0 1 1 0 8 0 amappl7 128 156 0 155 1 0 1 1 0 8 0 amappl6 120 470 0 459 1 0 1 1 0 8 0 amappl5 112 87 0 79 1 0 1 1 0 8 0 amappl4 104 546 0 519 1 0 1 1 0 8 0 amappl3 96 27215 0 27132 4 1 3 3 0 8 0 amappl2 88 5055 0 4997 2 0 2 2 0 8 0 amappl1 80 31014 0 30515 15 2 13 14 0 8 0 amappl 88 42217 0 42055 6 1 5 5 0 92 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 dma65536 65536 3 0 3 2 2 0 1 0 8 0 dma8192 8192 3 0 3 3 3 0 1 0 8 0 dma4096 4096 2 0 2 2 2 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 8 0 8 3 2 1 1 0 8 1 dma128 128 259 0 259 5 4 1 1 0 8 1 dma64 64 9 0 9 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 4936 0 4908 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4936 0 4908 1 0 1 1 0 8 0 vmmpekpl 168 34216 0 34156 4 0 4 4 0 8 0 vmmpepl 168 315515 0 313720 157 55 102 119 0 357 5 vmsppl 488 4935 0 4908 6 1 5 5 0 8 0 rwobjpl 80 86428 0 79604 161 13 148 156 0 8 0 pdppl 4096 9880 0 9816 121 53 68 84 0 8 4 pvpl 32 24737 0 0 200 1 199 199 0 265 0 pmappl 256 4935 0 4908 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 488 0 135 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83877ff0) 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(ffffffff8389d020) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8389d020) at __mp_lock+0x199 sys/kern/kern_lock.c:165 softintr_dispatch(0) at softintr_dispatch+0x125 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: 0x70d540c82b00, count: 8 ddb{0}> trace x86_ipi_db(ffffffff83877ff0) 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(ffffffff8389d020) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8389d020) at __mp_lock+0x199 sys/kern/kern_lock.c:165 softintr_dispatch(0) at softintr_dispatch+0x125 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: 0x70d540c82b00, count: -7 ddb{0}> machine ddbcpu 1 Stopped at memcpy+0x19: repe movsq (%rsi),%es:(%rdi) memcpy() at memcpy+0x19 rtm_msg1(14,ffff80002a3b3fb8) at rtm_msg1+0x306 sys/net/rtsock.c:1627 rtm_addr(14,ffff8000013f7f00) at rtm_addr+0xb9 sys/net/rtsock.c:-1 in6_update_ifa(ffff800000afd800,ffff80002a3b43d0,ffff8000013f7f00) at in6_update_ifa+0x199a sys/netinet6/in6.c:741 in6_ioctl_change_ifaddr(8080691a,ffff80002a3b43d0,ffff800000afd800) at in6_ioctl_change_ifaddr+0x64e sys/netinet6/in6.c:352 ifioctl(ffff800010fd0bd0,8080691a,ffff80002a3b43d0,ffff8000fffead20) at ifioctl+0x16d2 pru_control sys/sys/protosw.h:353 [inline] ifioctl(ffff800010fd0bd0,8080691a,ffff80002a3b43d0,ffff8000fffead20) at ifioctl+0x16d2 sys/net/if.c:2480 sys_ioctl(ffff8000fffead20,ffff80002a3b45b0,ffff80002a3b4500) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80002a3b45b0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3b45b0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x838bbc1630, count: 6 ddb{1}> trace memcpy() at memcpy+0x19 rtm_msg1(14,ffff80002a3b3fb8) at rtm_msg1+0x306 sys/net/rtsock.c:1627 rtm_addr(14,ffff8000013f7f00) at rtm_addr+0xb9 sys/net/rtsock.c:-1 in6_update_ifa(ffff800000afd800,ffff80002a3b43d0,ffff8000013f7f00) at in6_update_ifa+0x199a sys/netinet6/in6.c:741 in6_ioctl_change_ifaddr(8080691a,ffff80002a3b43d0,ffff800000afd800) at in6_ioctl_change_ifaddr+0x64e sys/netinet6/in6.c:352 ifioctl(ffff800010fd0bd0,8080691a,ffff80002a3b43d0,ffff8000fffead20) at ifioctl+0x16d2 pru_control sys/sys/protosw.h:353 [inline] ifioctl(ffff800010fd0bd0,8080691a,ffff80002a3b43d0,ffff8000fffead20) at ifioctl+0x16d2 sys/net/if.c:2480 sys_ioctl(ffff8000fffead20,ffff80002a3b45b0,ffff80002a3b4500) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80002a3b45b0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3b45b0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x838bbc1630, count: -9