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Wanna Play a Detective? Find the Bug in a Function from Midnight Commander

Reading time5 min
Reach and readers6.7K

bug

In this article, we invite you to try to find a bug in a very simple function from the GNU Midnight Commander project. Why? For no particular reason. Just for fun. Well, okay, it's a lie. We actually wanted to show you yet another bug that a human reviewer has a hard time finding and the static code analyzer PVS-Studio can catch without effort.
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System call interception in Linux-kernel module

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Reach and readers12K

The module was created as a part of my master thesis in the 2010 year. The master thesis theme is Keylogging in Linux kernel. The main idea was to find out a way to intercept system calls for x64 arch Linux kernel, especially for kernel 2.6.34.7-61.fc13.x86_64.