github.com/google/syzkaller@v0.0.0-20240517125934-c0f1611a36d6/sys/fuchsia/test/fd_assignment (about)

     1  # Tests that fd's are always allocated starting from 3.
     2  
     3  close(0x3)	# EBADF
     4  close(0x4)	# EBADF
     5  close(0x5)	# EBADF
     6  pipe(&(0x7f0000000000)={<r0=>0x0, <r1=>0x0})
     7  close(0x3)
     8  close(0x4)
     9  close(0x5)	# EBADF