4 Double closing range (5, 7).
5 File descriptor ...: ... is already closed
6 at 0x........: close_range (in /...libc...)
9 at 0x........: close_range (in /...libc...)
12 at 0x........: dup2 (in /...libc...)
15 <insert_a_suppression_name_here>
20 File descriptor ...: ... is already closed
21 at 0x........: close_range (in /...libc...)
24 at 0x........: close_range (in /...libc...)
27 at 0x........: dup2 (in /...libc...)
30 <insert_a_suppression_name_here>