75 lines
2.4 KiB
C
75 lines
2.4 KiB
C
#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 */
|
|
|
|
/* mm flags */
|
|
|
|
/* for SUID_DUMP_* above */
|
|
#define MMF_DUMPABLE_BITS 2
|
|
#define MMF_DUMPABLE_MASK ((1 << MMF_DUMPABLE_BITS) - 1)
|
|
|
|
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)
|
|
{
|
|
return __get_dumpable(mm->flags);
|
|
}
|
|
|
|
/* coredump filter bits */
|
|
#define MMF_DUMP_ANON_PRIVATE 2
|
|
#define MMF_DUMP_ANON_SHARED 3
|
|
#define MMF_DUMP_MAPPED_PRIVATE 4
|
|
#define MMF_DUMP_MAPPED_SHARED 5
|
|
#define MMF_DUMP_ELF_HEADERS 6
|
|
#define MMF_DUMP_HUGETLB_PRIVATE 7
|
|
#define MMF_DUMP_HUGETLB_SHARED 8
|
|
#define MMF_DUMP_DAX_PRIVATE 9
|
|
#define MMF_DUMP_DAX_SHARED 10
|
|
|
|
#define MMF_DUMP_FILTER_SHIFT MMF_DUMPABLE_BITS
|
|
#define MMF_DUMP_FILTER_BITS 9
|
|
#define MMF_DUMP_FILTER_MASK \
|
|
(((1 << MMF_DUMP_FILTER_BITS) - 1) << MMF_DUMP_FILTER_SHIFT)
|
|
#define MMF_DUMP_FILTER_DEFAULT \
|
|
((1 << MMF_DUMP_ANON_PRIVATE) | (1 << MMF_DUMP_ANON_SHARED) |\
|
|
(1 << MMF_DUMP_HUGETLB_PRIVATE) | MMF_DUMP_MASK_DEFAULT_ELF)
|
|
|
|
#ifdef CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS
|
|
# define MMF_DUMP_MASK_DEFAULT_ELF (1 << MMF_DUMP_ELF_HEADERS)
|
|
#else
|
|
# define MMF_DUMP_MASK_DEFAULT_ELF 0
|
|
#endif
|
|
/* leave room for more dump flags */
|
|
#define MMF_VM_MERGEABLE 16 /* KSM may merge identical pages */
|
|
#define MMF_VM_HUGEPAGE 17 /* set when VM_HUGEPAGE is set on vma */
|
|
/*
|
|
* This one-shot flag is dropped due to necessity of changing exe once again
|
|
* on NFS restore
|
|
*/
|
|
//#define MMF_EXE_FILE_CHANGED 18 /* see prctl_set_mm_exe_file() */
|
|
|
|
#define MMF_HAS_UPROBES 19 /* has uprobes */
|
|
#define MMF_RECALC_UPROBES 20 /* MMF_HAS_UPROBES can be wrong */
|
|
#define MMF_OOM_SKIP 21 /* mm is of no interest for the OOM killer */
|
|
#define MMF_UNSTABLE 22 /* mm is unstable for copy_from_user */
|
|
#define MMF_HUGE_ZERO_PAGE 23 /* mm has ever used the global huge zero page */
|
|
|
|
#define MMF_INIT_MASK (MMF_DUMPABLE_MASK | MMF_DUMP_FILTER_MASK)
|
|
|
|
#endif /* _LINUX_SCHED_COREDUMP_H */
|