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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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C
123456789101112131415161718192021222324252627282930313233343536// SPDX-License-Identifier: GPL-2.0-only/* * This module emits "Hello, world" on printk when loaded. * * It is designed to be used for basic evaluation of the module loading * subsystem (for example when validating module signing/verification). It * lacks any extra dependencies, and will not normally be loaded by the * system unless explicitly requested by name. */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/init.h>#include <linux/module.h>#include <linux/printk.h>
static int __init test_module_init(void){ pr_warn("Hello, world\n");
return 0;}
module_init(test_module_init);
static void __exit test_module_exit(void){ pr_warn("Goodbye\n");}
module_exit(test_module_exit);
MODULE_AUTHOR("Kees Cook <keescook@chromium.org>");MODULE_DESCRIPTION("module loading subsystem test module");MODULE_LICENSE("GPL");