r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000100)='net/raw6\x00')
preadv(r0, &(0x7f00000014c0)=[{&(0x7f0000000140)=""/209, 0xd1}], 0x1, 0x0, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x890c, &(0x7f0000000140)={'lo\x00'})