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21 lines
465 B
21 lines
465 B
// SPDX-License-Identifier: GPL-2.0 |
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#include <linux/error-injection.h> |
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#include <linux/kprobes.h> |
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asmlinkage void just_return_func(void); |
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asm( |
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".text\n" |
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".type just_return_func, @function\n" |
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".globl just_return_func\n" |
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"just_return_func:\n" |
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" ret\n" |
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".size just_return_func, .-just_return_func\n" |
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); |
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void override_function_with_return(struct pt_regs *regs) |
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{ |
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regs->ip = (unsigned long)&just_return_func; |
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} |
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NOKPROBE_SYMBOL(override_function_with_return);
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