r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x46e2, 0x0) ftruncate(r0, 0x1000003) ioctl$FS_IOC_FSSETXATTR(r0, 0x40086602, &(0x7f0000000000)) writev(r0, &(0x7f00000002c0)=[{&(0x7f0000000500)='z', 0x1}, {&(0x7f0000000040)='Z', 0x1100}], 0x2)