r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0)
preadv2(r0, &(0x7f0000000580)=[{&(0x7f0000004980)=""/4100, 0x1004}], 0x1, 0x0, 0x0, 0xf)