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Forklimit

Preventing fork bombs since 2013.

Usage

Set LD_PRELOAD to forklimit.so when running a process that may detonate a fork bomb. The process will be killed if it attempts to fork more than the limit.

The number of allowed forks before the process is killed can be changed using the FORK_LIMIT environment variable. The default is 100.

$ make
$ LD_PRELOAD=./forklimit.so bash -c ":() { :|:& };:"
forklimit: fork limit exceeded

License

Copyright (c) 2013, Curtis McEnroe programble@gmail.com

Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.