r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x802c2, 0x0)
writev(r0, &(0x7f00000000c0)=[{&(0x7f0000000200)="af", 0x1}], 0x1)
preadv(r0, &(0x7f0000000200)=[{&(0x7f0000000000)=""/129, 0x81}], 0x1, 0x1d49, 0x0)