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>
17 lines
484 B
C
17 lines
484 B
C
// 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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#include <linux/uaccess.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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* Emulate 'blr'. 'regs' represents the state on entry of a predefined
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* function in the kernel/module, captured on a kprobe. We don't need
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* to worry about 32-bit userspace on a 64-bit kernel.
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*/
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regs_set_return_ip(regs, regs->link);
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}
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NOKPROBE_SYMBOL(override_function_with_return);
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