Linux Stack Overflow Error
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may consist of a limited amount of address space, often determined at the start of the program. The size of the call stack depends on many
What Is Stack Overflow
factors, including the programming language, machine architecture, multi-threading, and amount of available stack overflow wiki memory. When a program attempts to use more space than is available on the call stack (that is,
Stack Overflow In C
when it attempts to access memory beyond the call stack's bounds, which is essentially a buffer overflow), the stack is said to overflow, typically resulting in a program crash.[1] Contents 1 stack overflow login Infinite recursion 2 Very deep recursion 3 Very large stack variables 4 See also 5 References 6 External links Infinite recursion[edit] Main article: Infinite recursion The most common cause of stack overflow is excessively deep or infinite recursion, in which a function calls itself so many times that the space needed to store the variables and information associated with each call stack overflow c++ is more than can fit on the stack.[2] An example of infinite recursion in C. int foo() { return foo(); } The function foo, when it is invoked, continues to invoke itself, allocating additional space on the stack each time, until the stack overflows resulting in a segmentation fault.[2] However, some compilers implement tail-call optimization, allowing infinite recursion of a specific sort—tail recursion—to occur without stack overflow. This works because tail-recursion calls do not take up additional stack space.[3] C compiler options will effectively enable tail-call optimization; compiling the above simple program using gcc with -O1 will result in a segmentation fault, but not when using -O2 or -O3, since these optimization levels imply the -foptimize-sibling-calls compiler option. Other languages, such as Scheme, require all implementations to include tail-recursion as part of the language standard.[4] Very deep recursion[edit] A recursive function that terminates in theory but causes a call stack buffer overflow in practice can be fixed by transforming the recursion into a loop and storing the function arguments in a stack. This is always possible, because the class of primitive
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Stack Overflow Error C++
community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Why stack overflow causes segmentation fault instead of stack overflow in Linux? [duplicate] up vote https://en.wikipedia.org/wiki/Stack_overflow 8 down vote favorite 1 Possible Duplicate: What is the difference between a segmentation fault and a stack overflow? I was just wondering, why stack overflow results in segmentation fault instead of stack overflow. Is it because the boundary of stack limit is crossed which causes SIGSEGV? Why we don't encounter stack overflow in Linux, and rather a segmentation fault? int foo() { return foo(); } This small code should http://stackoverflow.com/questions/6986133/why-stack-overflow-causes-segmentation-fault-instead-of-stack-overflow-in-linux cause stack overflow but rather it causes segmentation fault in Linux. c linux stack-overflow share|improve this question edited Jan 30 '12 at 19:14 favo 3,52773156 asked Aug 8 '11 at 17:34 kingsmasher1 3,1251447100 marked as duplicate by Michael Foukarakis, stakx, Adam Rosenfield, Bertrand Marron, Bill the Lizard Aug 8 '11 at 18:50 This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question. To give a stackoverflow the maximal size, the top and the bottom of the stack must be known and tracked by the system. This would be a tremendous slowdown. –Nobody Aug 8 '11 at 17:41 @Justin: another person with language problem :-( the first asks the difference between two and mine asks how one error leads to another. Kindly read it carefully. –kingsmasher1 Aug 8 '11 at 17:52 2 When you are using gcc look for the option -fstack-check. –Nobody Aug 8 '11 at 18:02 Why people flagged it to close? Isn't stack overflow part of programming? –kingsmasher1 Aug 8 '11 at 18:03 2 @kingsmasher1 The first answer on the duplicate post is the answer to your question. –Justin M. Keyes Aug 8 '11 a
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recursion; recursively; jit; JustInTime; Hot; Spot; WebSphere; Just-In-Time Technote (troubleshooting) Problem(Abstract) Stack Overflow exceptions can occur when a thread stack continues to grow in size until reaching the maximum limit. Symptom A stack overflow can result from: A deeply nested application An infinite loop within an application A problem in just-in-time (JIT) compiled code Applications requiring a larger stack size, especially ones relying on XML, GUI, or java2D classes. Native method calls Stack overflow issues are frequently masked by Out of Memory exceptions. By resolving the memory constraints, the stack overflow can be resolved. Cause When a stack overflow occurs, the amount of stack space required by the program exceeds what is configured for the stack in the Java™ Virtual Machine (JVM) process, or the native stack size configured by the operating system. Some applications require stacks that are larger than the default size; for example, a graphics-intensive Java program can require a larger stack, which may require an increase in the stack size to avoid StackOverflow. Diagnosing the problem Look for either Out of Memory messages or java.lang.StackOverflow in the server logs. The process may continue to run after either of these messages are seen. If a crash did occur, a javacore should have generated on IBM SDK. You will either see the signal as SIGSEGV, SIGILL, SIGABRT, or SIGBUS. Usually the current thread will indicate the following pending=java.lang.StackOverflowError Resolving the problem Explanations and Solutions Detailed Configuration Options Explanations and Solutions Infinite Recursion If an application is performing recursion, the maximum stack size can easily be reached and a Stack Overflow exception is thrown. The thread stack has a limited size and eventually its space will run out as the thread stack grows without bounds. Some traits of recursion: - Large thread stacks that appear to repeat - An infinite loop that continuously spawns off threads - Very large XML docum