uvm_fault(0xffffffff838e9870, 0xffff8000014b2000, 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
*389966  55658      0           0  0x4000000    0K syz-executor
  43431  84607      0           0          0    1  syz-executor
memcpy() at memcpy+0x19
rtm_msg1(14,ffff80002a3bbf68) at rtm_msg1+0x306 sys/net/rtsock.c:1627
rtm_addr(14,ffff8000014b1f00) at rtm_addr+0xb9 sys/net/rtsock.c:-1
in6_update_ifa(ffff800000afd800,ffff80002a3bc380,ffff8000014b1f00) at in6_update_ifa+0x199a sys/netinet6/in6.c:741
in6_ioctl_change_ifaddr(8080691a,ffff80002a3bc380,ffff800000afd800) at in6_ioctl_change_ifaddr+0x64e sys/netinet6/in6.c:352
ifioctl(ffff800001429790,8080691a,ffff80002a3bc380,ffff800038bf2fc0) at ifioctl+0x156d pru_control sys/sys/protosw.h:352 [inline]
ifioctl(ffff800001429790,8080691a,ffff80002a3bc380,ffff800038bf2fc0) at ifioctl+0x156d sys/net/if.c:2480
sys_ioctl(ffff800038bf2fc0,ffff80002a3bc560,ffff80002a3bc4b0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff80002a3bc560) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a3bc560) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xfb0c9d19c10, count: 6
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