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The concept behind a fork bomb — the processes continually replicate themselves, potentially causing a denial of service. In computing, a fork bomb (also called rabbit virus) is a denial-of-service (DoS) attack wherein a process continually replicates itself to deplete available system resources, slowing down or crashing the system due to resource starvation.
Fork and its variants are typically the only way of doing so in Unix-like systems. For a process to start the execution of a different program, it first forks to create a copy of itself. Then, the copy, called the " child process ", calls the exec system call to overlay itself with the other program: it ceases execution of its former program in ...
Fork bomb: a similar method to exhaust a system's resources through recursion; Zip bomb: a similar attack utilizing zip archives; XML external entity attack: an XML attack to return arbitrary server files; Document type definition: a template for validating XML files
Implementations of the fork–join model will typically fork tasks, fibers or lightweight threads, not operating-system-level "heavyweight" threads or processes, and use a thread pool to execute these tasks: the fork primitive allows the programmer to specify potential parallelism, which the implementation then maps onto actual parallel execution. [1]
If the parent process still refuses to reap the zombie, and if it would be fine to terminate the parent process, the next step can be to remove the parent process. When a process loses its parent, init becomes its new parent. init periodically executes the wait system call to reap any zombies with init as parent.
fork() is the name of the system call that the parent process uses to "divide" itself ("fork") into two identical processes. After calling fork(), the created child process is an exact copy of the parent except for the return value of the fork() call. This includes open files, register state, and all memory allocations, which includes the ...
The Canadian Saad Khalid admitted that he had downloaded bomb-making materials online in 2006, leading to the 2006 Toronto terrorism case. [25] British student Isa Ibrahim made a suicide vest bomb using instructions he found online. He planned on exploding the device at a shopping centre. He was sentenced in July 2009 to a minimum of ten years ...
Morris was tried and convicted of violating United States Code Title 18 (18 U.S.C. § 1030), the Computer Fraud and Abuse Act, [12] in United States v. Morris . After appeals, he was sentenced to three years' probation, 400 hours of community service, and a fine of US$10,050 (equivalent to $22,000 in 2023) plus the costs of his supervision. [ 13 ]