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MindTapV2.0 for Farrell's Java Programming with 2021 Updates, 9th Edition [Instant Access], 1 term
9th Edition
ISBN: 9780357505540
Author: Farrell; Joyce
Publisher: Cengage Learning US
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Chapter 5, Problem 8RQ
Program Description Answer
The output for the given code segment is “BBB”.
Hence, correct answer is option “B”.
Expert Solution & Answer
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Students have asked these similar questions
123456
A ROP (Return-Oriented Programming) attack can be used to execute arbitrary
instructions by chaining together small pieces of code called "gadgets." Your goal is
to create a stack layout for a ROP attack that calls a function located at '0x4018bd3'.
Below is the assembly code for the function 'getbuf', which allocates 8 bytes of stack
space for a 'char' array. This array is then passed to the 'gets' function. Additionally,
you are provided with five useful gadgets and their addresses. Use these gadgets to
construct the stack layout.
Assembly for getbuf
1 getbuf:
sub
mov
$8, %rsp
%rsp, %rdi
call
gets
add
$8, %rsp
ret
#Allocate 8 bytes for buffer
#Load buffer address into %rdi
#Call gets with buffer
#Restore the stack pointer
#Return to caller
Stack
Layout
each
8-byte
(fill in
section)
Address
Value (8 bytes)
0x7fffffffdfc0
0x7fffffffdfb8
0x7fffffffdfb0
0x7fffffffdfa8
0x7fffffffdfa0
0x7fffffffdf98
0x7fffffffdf90
0x7fffffffdf88
Gadgets
Address Gadget
Ox4006a7 pop %rdi; ret
Ox4006a9…
Problem 1 [15 points]
The code below is buggy. Assume the code compiles. Briefly:
1). Identify the problem with the code (e.g., can access memory out of bounds) and
2). Suggest a solution (e.g., check the length).
Question 1
1 #define BLENGTH 5
2 int b[BLENGTH];
3 void copy_from_global_int_array_b (int n, int* dest) {
4
5 }
*dest = b[n];
==
Which statement regarding SGA_MAX_SIZE is true?
SGA_MAX_SIZE is modifiable after an instance is started, only when Automatic Memory Management is used.
SGA_MAX_SIZE is not dyamically modifiable.
SGA_MAX_SIZE is ignored when MEMORY_TARGET > 0.
SGA-MAX_SIZE must be specified when SGA_TARGET > 0
Chapter 5 Solutions
MindTapV2.0 for Farrell's Java Programming with 2021 Updates, 9th Edition [Instant Access], 1 term
Ch. 5 - Prob. 1RQCh. 5 - Prob. 2RQCh. 5 - Prob. 3RQCh. 5 - Prob. 4RQCh. 5 - Prob. 5RQCh. 5 - Prob. 6RQCh. 5 - Prob. 7RQCh. 5 - Prob. 8RQCh. 5 - Prob. 9RQCh. 5 - Prob. 10RQ
Ch. 5 - Prob. 11RQCh. 5 - Prob. 12RQCh. 5 - Prob. 13RQCh. 5 - Prob. 14RQCh. 5 - Prob. 16RQCh. 5 - Prob. 17RQCh. 5 - Prob. 18RQCh. 5 - Prob. 19RQCh. 5 - Prob. 20RQCh. 5 - Prob. 1PECh. 5 - Prob. 2PECh. 5 - Prob. 3PECh. 5 - Prob. 4PECh. 5 - Prob. 5PECh. 5 - Prob. 6PECh. 5 - Prob. 7PECh. 5 - Prob. 8PECh. 5 - Prob. 9PECh. 5 - Prob. 10PECh. 5 - Prob. 1GZCh. 5 - Prob. 2GZCh. 5 - Prob. 3GZCh. 5 - Prob. 4GZCh. 5 - Prob. 5GZ
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