r0 = memfd_create(&(0x7f0000000000)='\x00', 0x0)
ftruncate(r0, 0x7ff)
ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x108000})
lseek(r0, 0x0, 0x3)