Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
26 lines
559 B
C
26 lines
559 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/linkage.h>
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#include <linux/error-injection.h>
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#include <linux/kprobes.h>
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#include <linux/objtool.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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ASM_FUNC_ALIGN
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"just_return_func:\n"
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ANNOTATE_NOENDBR "\n"
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ASM_RET
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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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