r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x46e2, 0x0)
ftruncate(r0, 0x1000003)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x0, 0x0)
fadvise64(r1, 0x0, 0x0, 0x1)
preadv(r1, &(0x7f0000002340)=[{&(0x7f0000000200)=""/4096, 0x1000}], 0x1, 0x2000000, 0x0)