syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$9p_unix(&(0x7f0000000140)='./file0/../file0\x00', &(0x7f0000002f00)='./file0/../file0\x00', 0x0, 0x21000, 0x0) umount2(&(0x7f0000000000)='./file0/../file0\x00', 0x4) fchownat(0xffffffffffffff9c, &(0x7f00000003c0)='./file0\x00', 0x0, 0x0, 0x0)