uvm_fault(0xffffffff83844320, 0xffff8000014f0000, 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
*518220  47495      0           0  0x4000000    0  syz-executor
memcpy() at memcpy+0x19
rtm_msg1(14,ffff80003c97d808) at rtm_msg1+0x306 sys/net/rtsock.c:1627
rtm_addr(14,ffff8000014eff00) at rtm_addr+0xb9 sys/net/rtsock.c:-1
in6_update_ifa(ffff800000b12800,ffff80003c97dc20,ffff8000014eff00) at in6_update_ifa+0x199a sys/netinet6/in6.c:741
in6_ioctl_change_ifaddr(8080691a,ffff80003c97dc20,ffff800000b12800) at in6_ioctl_change_ifaddr+0x638 sys/netinet6/in6.c:352
ifioctl(ffff80000147d9f0,8080691a,ffff80003c97dc20,ffff80003c996fb8) at ifioctl+0x1515 pru_control sys/sys/protosw.h:352 [inline]
ifioctl(ffff80000147d9f0,8080691a,ffff80003c97dc20,ffff80003c996fb8) at ifioctl+0x1515 sys/net/if.c:2454
sys_ioctl(ffff80003c996fb8,ffff80003c97ddf0,ffff80003c97dd40) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1
syscall(ffff80003c97ddf0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c97ddf0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x80e41894840, count: 6
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