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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_COREDUMP_H
#define _LINUX_SCHED_COREDUMP_H
#include <linux/mm_types.h>
#define SUID_DUMP_DISABLE 0 /* No setuid dumping */
#define SUID_DUMP_USER 1 /* Dump as user of process */
#define SUID_DUMP_ROOT 2 /* Dump as root */
static inline unsigned long __mm_flags_get_dumpable(struct mm_struct *mm)
{
/*
* By convention, dumpable bits are contained in first 32 bits of the
* bitmap, so we can simply access this first unsigned long directly.
*/
return __mm_flags_get_word(mm);
}
static inline void __mm_flags_set_mask_dumpable(struct mm_struct *mm, int value)
{
__mm_flags_set_mask_bits_word(mm, MMF_DUMPABLE_MASK, value);
}
extern void set_dumpable(struct mm_struct *mm, int value);
/*
* This returns the actual value of the suid_dumpable flag. For things
* that are using this for checking for privilege transitions, it must
* test against SUID_DUMP_USER rather than treating it as a boolean
* value.
*/
static inline int __get_dumpable(unsigned long mm_flags)
{
return mm_flags & MMF_DUMPABLE_MASK;
}
static inline int get_dumpable(struct mm_struct *mm)
{
unsigned long flags = __mm_flags_get_dumpable(mm);
return __get_dumpable(flags);
}
#endif /* _LINUX_SCHED_COREDUMP_H */
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