r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x46e2, 0x0) ftruncate(r0, 0x4) write$P9_RREADLINK(r0, &(0x7f0000000080)={0x10, 0x17, 0x0, {0x7, './file0'}}, 0x10) pread64(r0, &(0x7f00000005c0)=""/4096, 0x1000, 0x1)