linux - Why can't I print the user input data in NASM assembly? -


I am trying to verify the length of user input in this example (NASM): 

  section .bss user_input resb section 10 .text push ebp mov ebp, esp mov eax, 3; Sys_read mov ebx, 0; Stdin mov ecx, user_input mov edx, 10 int 80h cmp eax, 10 jg overflow jmp overflow:. . . Why this work is not being done?   
 
   
 "> 
 Since your buffer is 10 bytes And you put length in ADX, returns can never exceed 10 and you go to label  done:  and exit.  
 The code you show Nothing is printed in anything that prints.

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