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Old 01-15-2009, 10:10 AM   #1
LXer
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Registered: Dec 2005
Posts: 73,141

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LXer: Reboot Linux using simple fork()


Published at LXer:

We all know that the simplest function in Linux is fork(). You might be thinking how can such a simple function reboot a linux machine. Well I must tell you that the program I am going to discuss today uses only this fork function and can force a Linux Server which can serve more than 200 computers to get rebooted.

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Old 01-15-2009, 11:46 AM   #2
easuter
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Registered: Dec 2005
Location: Portugal
Distribution: Slackware64 13.0, Slackware64 13.1
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Looks like some wannabe 133tz0r h4ax0r discovered what a fork bomb is.

Quote:
I executed this program in college’s Computer Lab and all the computer got hanged and after 1 or 2 mins a Global message was displayed that “Linux server is going to Reboot”.
Yeah...thats kind of what a fork bomb can do, but not necessarily if some basic countermeasures are in place. Maybe the admins will limit the number of processes per user in the future.

Quote:
Since nobody knew what had happened I could get away from that situation. Hope that my lab faculty don’t read this Article.
What an intellectual giant.
 
  


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