diff options
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 485234d2fd42..68a0e84463a0 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -229,7 +229,7 @@ extern char ___assert_task_state[1 - 2*!!( /* get_task_state() */ #define TASK_REPORT (TASK_RUNNING | TASK_INTERRUPTIBLE | \ TASK_UNINTERRUPTIBLE | __TASK_STOPPED | \ - __TASK_TRACED) + __TASK_TRACED | EXIT_ZOMBIE | EXIT_DEAD) #define task_is_traced(task) ((task->state & __TASK_TRACED) != 0) #define task_is_stopped(task) ((task->state & __TASK_STOPPED) != 0) @@ -391,22 +391,33 @@ arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr, static inline void arch_pick_mmap_layout(struct mm_struct *mm) {} #endif - -extern void set_dumpable(struct mm_struct *mm, int value); -extern int get_dumpable(struct mm_struct *mm); - #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 */ -/* dumpable bits */ -#define MMF_DUMPABLE 0 /* core dump is permitted */ -#define MMF_DUMP_SECURELY 1 /* core file is readable only by root */ +/* 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 @@ -1228,7 +1239,6 @@ struct task_struct { /* Used for emulating ABI behavior of previous Linux versions */ unsigned int personality; - unsigned did_exec:1; unsigned in_execve:1; /* Tell the LSMs that the process is doing an * execve */ unsigned in_iowait:1; @@ -2284,8 +2294,6 @@ extern struct mm_struct *get_task_mm(struct task_struct *task); extern struct mm_struct *mm_access(struct task_struct *task, unsigned int mode); /* Remove the current tasks stale references to the old mm_struct */ extern void mm_release(struct task_struct *, struct mm_struct *); -/* Allocate a new mm structure and copy contents from tsk->mm */ -extern struct mm_struct *dup_mm(struct task_struct *tsk); extern int copy_thread(unsigned long, unsigned long, unsigned long, struct task_struct *); |