A kernel that has had nearly 83,000 patches applied will certainly have a few bugs introduced along with the new features, states the 2017 Linux Kernel Development Report, written by Jonathan Corbet and Greg Kroah-Hartman.
To find and report those bugs, Linux kernel developers depend on a wide community of testers. And, according to convention, when a bug-fixing patch is applied to the kernel, it should contain a “Reported-by” tag to credit the tester who found the problem. During the period covered by the most recent report, more than 4,100 patches carried such tags, and the top 21 bug reporters are shown in the table at right.
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