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Introduction to Computer Systems 15-213/18-243, Spring 2010 10 th Lecture, Feb. 16 th

Introduction to Computer Systems 15-213/18-243, Spring 2010 10 th Lecture, Feb. 16 th. Instructors: Bill Nace and Gregory Kesden. Last Time. struct rec { int i; int a[3]; int *p; };. Memory Layout. Structures Alignment Unions. i. a. p. 20. 0. 4. 16. struct S1 {

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Introduction to Systems Software

Introduction to Systems Software. CSE 361S Prof. Patrick Crowley. Plan for Today. Machine-Level Programming: V Linux memory layout C pointer declarations Buffer overflow Floating point code Assignment. Linux Memory Layout. FF. Red Hat v. 6.2 ~1920MB memory limit. Stack

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Machine-Level Programming V: Miscellaneous Topics Feb 10, 2004

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Machine-Level Programming V: Advanced Topics September 28, 2004

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Machine-Level Programming V: Advanced Topics February 7, 2008

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Machine-Level Programming V: Advanced Topics Sept. 18, 2008

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Machine-Level Programming V: Miscellaneous Topics October 2, 2008

Machine-Level Programming V: Miscellaneous Topics October 2, 2008. CISC 360. Topics Linux Memory Layout Understanding Pointers Buffer Overflow Floating Point Code. FF. C0. BF. Stack. 80. Heap. 7F. 40. DLLs. 3F. Heap. Data. 08. Text. 00. Linux Memory Layout. Stack

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Machine-Level Programming V: Miscellaneous Topics Sept. 24, 2002

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Machine-Level Programming V: Miscellaneous Topics

Machine-Level Programming V: Miscellaneous Topics. Topics Linux Memory Layout Understanding Pointers Buffer Overflow Floating Point Code. class09.ppt. FF. C0. BF. Stack. 80. Heap. 7F. 40. DLLs. 3F. Heap. Data. 08. Text. 00. Linux Memory Layout. Stack

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Machine-Level Programming V: Miscellaneous Topics Sept. 24, 2002

Machine-Level Programming V: Miscellaneous Topics Sept. 24, 2002. CSC 333. Topics Linux Memory Layout Understanding Pointers Buffer Overflow Floating Point Code. FF. C0. BF. Stack. 80. Heap. 7F. 40. DLLs. 3F. Heap. Data. 08. Text. 00. Linux Memory Layout. Stack

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Machine-Level Programming V: Miscellaneous Topics Sept. 23, 2003

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Machine-Level Programming V: Miscellaneous Topics

CS 105 Tour of Black Holes of Computing. Machine-Level Programming V: Miscellaneous Topics. Topics Linux Memory Layout Understanding Pointers Buffer Overflow Floating Point Code. X86.5a.ppt. FF. C0. BF. Stack. 80. Heap. 7F. 40. DLLs. 3F. Heap. Data. 08. Text. 00.

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Machine-Level Programming V: Miscellaneous Topics

CS 105 Tour of Black Holes of Computing. Machine-Level Programming V: Miscellaneous Topics. Topics Linux Memory Layout Understanding Pointers Buffer Overflow Floating-Point Code. FF. (Stack). C0. BF. Stack. 80. Heap. 7F. 40. DLLs. 3F. Heap. Data. 08. Text. 00.

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Machine-Level Programming V: Miscellaneous Topics

CS 105 Tour of Black Holes of Computing. Machine-Level Programming V: Miscellaneous Topics. Topics Linux Memory Layout Understanding Pointers Buffer Overflow Floating-Point Code. FF. (Stack). C0. BF. Stack. 80. Heap. 7F. 40. DLLs. 3F. Heap. Data. 08. Text. 00.

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Machine-Level Programming V: Miscellaneous Topics

CS 105 Tour of Black Holes of Computing. Machine-Level Programming V: Miscellaneous Topics. Topics Linux Memory Layout Understanding Pointers Buffer Overflow Floating-Point Code. FF. Stack. C0. BF. (Stack). 80. Heap. 7F. 40. DLLs. 3F. Heap. Data. 08. Text. 00.

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Machine-Level Programming V: Miscellaneous Topics

Machine-Level Programming V: Miscellaneous Topics. CS 367. Topics Buffer Overflow Floating Point Code. lecture13.ppt. Internet Worm and IM War. November, 1988 Internet Worm attacks thousands of Internet hosts. How did it happen? July, 1999

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Machine-Level Programming Advanced Topics

Machine-Level Programming Advanced Topics. Topics Buffer Overflow. Internet Worm and IM War. November, 1988 Internet Worm attacks thousands of Internet hosts. How did it happen? July, 1999 Microsoft launches MSN Messenger (instant messaging system).

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Stack Buffer Overflows

Stack Buffer Overflows. Advanced Systems Programming. Topics How stack buffer overflow exploits work Examples of real exploits. Internet Worm and IM War. November, 1988 Internet Worm attacks thousands of Internet hosts. How did it happen? July, 1999

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