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v0.8.1
https://github.com/torvalds/linux
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Tip revision: c9c3395d5e3dcc6daee66c6908354d47bf98cb0c authored by Linus Torvalds on 19 February 2023, 22:24:22 UTC
Linux 6.2
Tip revision: c9c3395
stackprotector.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SH_STACKPROTECTOR_H
#define __ASM_SH_STACKPROTECTOR_H

extern unsigned long __stack_chk_guard;

/*
 * Initialize the stackprotector canary value.
 *
 * NOTE: this must only be called from functions that never return,
 * and it must always be inlined.
 */
static __always_inline void boot_init_stack_canary(void)
{
	unsigned long canary = get_random_canary();

	current->stack_canary = canary;
	__stack_chk_guard = current->stack_canary;
}

#endif /* __ASM_SH_STACKPROTECTOR_H */
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