uvm_fault(0xffffffff838d7230, 0xffff8000015fb000, 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
*188745  86736      0           0  0x4000000    0  syz-executor
memcpy() at memcpy+0x19
rtm_msg1(14,ffff8000361370d8) at rtm_msg1+0x306 sys/net/rtsock.c:1627
rtm_addr(14,ffff8000015faf00) at rtm_addr+0xb9 sys/net/rtsock.c:-1
in6_update_ifa(ffff800000c17800,ffff8000361374f0,ffff8000015faf00) at in6_update_ifa+0x199a sys/netinet6/in6.c:741
in6_ioctl_change_ifaddr(8080691a,ffff8000361374f0,ffff800000c17800) at in6_ioctl_change_ifaddr+0x638 sys/netinet6/in6.c:352
ifioctl(ffff8000015eb230,8080691a,ffff8000361374f0,ffff80002a833258) at ifioctl+0x1682 pru_control sys/sys/protosw.h:353 [inline]
ifioctl(ffff8000015eb230,8080691a,ffff8000361374f0,ffff80002a833258) at ifioctl+0x1682 sys/net/if.c:2480
sys_ioctl(ffff80002a833258,ffff8000361376c0,ffff800036137610) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1
syscall(ffff8000361376c0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000361376c0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x2a60e361220, count: 6
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