r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x42, 0x0) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000000)) pwrite64(r0, &(0x7f0000000140)=' ', 0x1, 0xa00000) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x0, 0x0) openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x4000)