r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x882c2, 0x0)
r1 = io_uring_setup(0xea7, &(0x7f0000000140))
mmap(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x0, 0x1f012, r0, 0x0)
io_uring_register$IORING_REGISTER_BUFFERS(r1, 0x11, &(0x7f0000001400)=[{0x0}], 0x1)