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18 lines
563 B
18 lines
563 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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void override_function_with_return(struct pt_regs *regs) |
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{ |
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/* |
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* 'regs' represents the state on entry of a predefined function in |
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* the kernel/module and which is captured on a kprobe. |
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* |
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* When kprobe returns back from exception it will override the end |
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* of probed function and directly return to the predefined |
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* function's caller. |
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*/ |
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instruction_pointer_set(regs, procedure_link_pointer(regs)); |
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} |
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NOKPROBE_SYMBOL(override_function_with_return);
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