358 static ssize_t proc_pid_cmdline_read(struct file *file, char __user *buf,  in proc_pid_cmdline_read()  argument
366 	tsk = get_proc_task(file_inode(file));  in proc_pid_cmdline_read()
445 	if (!file_ns_capable(m->file, &init_user_ns, CAP_SYS_ADMIN))  in proc_pid_stack()
522 static int lstats_open(struct inode *inode, struct file *file)  in lstats_open()  argument
524 	return single_open(file, lstats_show_proc, inode);  in lstats_open()
527 static ssize_t lstats_write(struct file *file, const char __user *buf,  in lstats_write()  argument
530 	struct task_struct *task = get_proc_task(file_inode(file));  in lstats_write()
782 static int proc_single_open(struct inode *inode, struct file *filp)  in proc_single_open()
815 static int __mem_open(struct inode *inode, struct file *file, unsigned int mode)  in __mem_open()  argument
822 	file->private_data = mm;  in __mem_open()
826 static int mem_open(struct inode *inode, struct file *file)  in mem_open()  argument
828 	int ret = __mem_open(inode, file, PTRACE_MODE_ATTACH);  in mem_open()
831 	file->f_mode |= FMODE_UNSIGNED_OFFSET;  in mem_open()
836 static ssize_t mem_rw(struct file *file, char __user *buf,  in mem_rw()  argument
839 	struct mm_struct *mm = file->private_data;  in mem_rw()
891 static ssize_t mem_read(struct file *file, char __user *buf,  in mem_read()  argument
894 	return mem_rw(file, buf, count, ppos, 0);  in mem_read()
897 static ssize_t mem_write(struct file *file, const char __user *buf,  in mem_write()  argument
900 	return mem_rw(file, (char __user*)buf, count, ppos, 1);  in mem_write()
903 loff_t mem_lseek(struct file *file, loff_t offset, int orig)  in mem_lseek()  argument
907 		file->f_pos = offset;  in mem_lseek()
910 		file->f_pos += offset;  in mem_lseek()
916 	return file->f_pos;  in mem_lseek()
919 static int mem_release(struct inode *inode, struct file *file)  in mem_release()  argument
921 	struct mm_struct *mm = file->private_data;  in mem_release()
935 static int environ_open(struct inode *inode, struct file *file)  in environ_open()  argument
937 	return __mem_open(inode, file, PTRACE_MODE_READ);  in environ_open()
940 static ssize_t environ_read(struct file *file, char __user *buf,  in environ_read()  argument
946 	struct mm_struct *mm = file->private_data;  in environ_read()
1010 static int auxv_open(struct inode *inode, struct file *file)  in auxv_open()  argument
1012 	return __mem_open(inode, file, PTRACE_MODE_READ_FSCREDS);  in auxv_open()
1015 static ssize_t auxv_read(struct file *file, char __user *buf,  in auxv_read()  argument
1018 	struct mm_struct *mm = file->private_data;  in auxv_read()
1037 static ssize_t oom_adj_read(struct file *file, char __user *buf, size_t count,  in oom_adj_read()  argument
1040 	struct task_struct *task = get_proc_task(file_inode(file));  in oom_adj_read()
1059 static int __set_oom_adj(struct file *file, int oom_adj, bool legacy)  in __set_oom_adj()  argument
1065 	task = get_proc_task(file_inode(file));  in __set_oom_adj()
1152 static ssize_t oom_adj_write(struct file *file, const char __user *buf,  in oom_adj_write()  argument
1185 	err = __set_oom_adj(file, oom_adj, true);  in oom_adj_write()
1196 static ssize_t oom_score_adj_read(struct file *file, char __user *buf,  in oom_score_adj_read()  argument
1199 	struct task_struct *task = get_proc_task(file_inode(file));  in oom_score_adj_read()
1212 static ssize_t oom_score_adj_write(struct file *file, const char __user *buf,  in oom_score_adj_write()  argument
1236 	err = __set_oom_adj(file, oom_score_adj, false);  in oom_score_adj_write()
1249 static ssize_t proc_loginuid_read(struct file * file, char __user * buf,  in proc_loginuid_read()  argument
1252 	struct inode * inode = file_inode(file);  in proc_loginuid_read()
1260 			   from_kuid(file->f_cred->user_ns,  in proc_loginuid_read()
1266 static ssize_t proc_loginuid_write(struct file * file, const char __user * buf,  in proc_loginuid_write()  argument
1269 	struct inode * inode = file_inode(file);  in proc_loginuid_write()
1298 		kloginuid = make_kuid(file->f_cred->user_ns, loginuid);  in proc_loginuid_write()
1315 static ssize_t proc_sessionid_read(struct file * file, char __user * buf,  in proc_sessionid_read()  argument
1318 	struct inode * inode = file_inode(file);  in proc_sessionid_read()
1338 static ssize_t proc_fault_inject_read(struct file * file, char __user * buf,  in proc_fault_inject_read()  argument
1341 	struct task_struct *task = get_proc_task(file_inode(file));  in proc_fault_inject_read()
1356 static ssize_t proc_fault_inject_write(struct file * file,  in proc_fault_inject_write()  argument
1377 	task = get_proc_task(file_inode(file));  in proc_fault_inject_write()
1392 static ssize_t proc_fail_nth_write(struct file *file, const char __user *buf,  in proc_fail_nth_write()  argument
1403 	task = get_proc_task(file_inode(file));  in proc_fail_nth_write()
1412 static ssize_t proc_fail_nth_read(struct file *file, char __user *buf,  in proc_fail_nth_read()  argument
1419 	task = get_proc_task(file_inode(file));  in proc_fail_nth_read()
1455 sched_write(struct file *file, const char __user *buf,  in sched_write()  argument
1458 	struct inode *inode = file_inode(file);  in sched_write()
1471 static int sched_open(struct inode *inode, struct file *filp)  in sched_open()
1506 sched_autogroup_write(struct file *file, const char __user *buf,  in sched_autogroup_write()  argument
1509 	struct inode *inode = file_inode(file);  in sched_autogroup_write()
1538 static int sched_autogroup_open(struct inode *inode, struct file *filp)  in sched_autogroup_open()
1566 	p = get_proc_task(file_inode(m->file));  in timens_offsets_show()
1576 static ssize_t timens_offsets_write(struct file *file, const char __user *buf,  in timens_offsets_write()  argument
1579 	struct inode *inode = file_inode(file);  in timens_offsets_write()
1638 	ret = proc_timens_set_offset(file, p, offsets, noffsets);  in timens_offsets_write()
1649 static int timens_offsets_open(struct inode *inode, struct file *filp)  in timens_offsets_open()
1663 static ssize_t comm_write(struct file *file, const char __user *buf,  in comm_write()  argument
1666 	struct inode *inode = file_inode(file);  in comm_write()
1706 static int comm_open(struct inode *inode, struct file *filp)  in comm_open()
1722 	struct file *exe_file;  in proc_exe_link()
2030 bool proc_fill_cache(struct file *file, struct dir_context *ctx,  in proc_fill_cache()  argument
2034 	struct dentry *child, *dir = file->f_path.dentry;  in proc_fill_cache()
2311 proc_map_files_readdir(struct file *file, struct dir_context *ctx)  in proc_map_files_readdir()  argument
2324 	task = get_proc_task(file_inode(file));  in proc_map_files_readdir()
2333 	if (!dir_emit_dots(file, ctx))  in proc_map_files_readdir()
2385 		if (!proc_fill_cache(file, ctx,  in proc_map_files_readdir()
2486 static int proc_timers_open(struct inode *inode, struct file *file)  in proc_timers_open()  argument
2490 	tp = __seq_open_private(file, &proc_timers_seq_ops,  in proc_timers_open()
2508 static ssize_t timerslack_ns_write(struct file *file, const char __user *buf,  in timerslack_ns_write()  argument
2511 	struct inode *inode = file_inode(file);  in timerslack_ns_write()
2587 static int timerslack_ns_open(struct inode *inode, struct file *filp)  in timerslack_ns_open()
2652 static int proc_pident_readdir(struct file *file, struct dir_context *ctx,  in proc_pident_readdir()  argument
2655 	struct task_struct *task = get_proc_task(file_inode(file));  in proc_pident_readdir()
2661 	if (!dir_emit_dots(file, ctx))  in proc_pident_readdir()
2668 		if (!proc_fill_cache(file, ctx, p->name, p->len,  in proc_pident_readdir()
2679 static int proc_pid_attr_open(struct inode *inode, struct file *file)  in proc_pid_attr_open()  argument
2681 	file->private_data = NULL;  in proc_pid_attr_open()
2682 	__mem_open(inode, file, PTRACE_MODE_READ_FSCREDS);  in proc_pid_attr_open()
2686 static ssize_t proc_pid_attr_read(struct file * file, char __user * buf,  in proc_pid_attr_read()  argument
2689 	struct inode * inode = file_inode(file);  in proc_pid_attr_read()
2698 				      (char*)file->f_path.dentry->d_name.name,  in proc_pid_attr_read()
2707 static ssize_t proc_pid_attr_write(struct file * file, const char __user * buf,  in proc_pid_attr_write()  argument
2710 	struct inode * inode = file_inode(file);  in proc_pid_attr_write()
2716 	if (file->private_data != current->mm)  in proc_pid_attr_write()
2756 				  file->f_path.dentry->d_name.name, page,  in proc_pid_attr_write()
2774 static int proc_##LSM##_attr_dir_iterate(struct file *filp, \
2835 static int proc_attr_dir_readdir(struct file *file, struct dir_context *ctx)  in proc_attr_dir_readdir()  argument
2837 	return proc_pident_readdir(file, ctx,   in proc_attr_dir_readdir()
2864 static ssize_t proc_coredump_filter_read(struct file *file, char __user *buf,  in proc_coredump_filter_read()  argument
2867 	struct task_struct *task = get_proc_task(file_inode(file));  in proc_coredump_filter_read()
2891 static ssize_t proc_coredump_filter_write(struct file *file,  in proc_coredump_filter_write()  argument
2908 	task = get_proc_task(file_inode(file));  in proc_coredump_filter_write()
3001 static int proc_id_map_open(struct inode *inode, struct file *file,  in proc_id_map_open()  argument
3019 	ret = seq_open(file, seq_ops);  in proc_id_map_open()
3023 	seq = file->private_data;  in proc_id_map_open()
3033 static int proc_id_map_release(struct inode *inode, struct file *file)  in proc_id_map_release()  argument
3035 	struct seq_file *seq = file->private_data;  in proc_id_map_release()
3038 	return seq_release(inode, file);  in proc_id_map_release()
3041 static int proc_uid_map_open(struct inode *inode, struct file *file)  in proc_uid_map_open()  argument
3043 	return proc_id_map_open(inode, file, &proc_uid_seq_operations);  in proc_uid_map_open()
3046 static int proc_gid_map_open(struct inode *inode, struct file *file)  in proc_gid_map_open()  argument
3048 	return proc_id_map_open(inode, file, &proc_gid_seq_operations);  in proc_gid_map_open()
3051 static int proc_projid_map_open(struct inode *inode, struct file *file)  in proc_projid_map_open()  argument
3053 	return proc_id_map_open(inode, file, &proc_projid_seq_operations);  in proc_projid_map_open()
3080 static int proc_setgroups_open(struct inode *inode, struct file *file)  in proc_setgroups_open()  argument
3097 	if (file->f_mode & FMODE_WRITE) {  in proc_setgroups_open()
3103 	ret = single_open(file, &proc_setgroups_show, ns);  in proc_setgroups_open()
3114 static int proc_setgroups_release(struct inode *inode, struct file *file)  in proc_setgroups_release()  argument
3116 	struct seq_file *seq = file->private_data;  in proc_setgroups_release()
3118 	int ret = single_release(inode, file);  in proc_setgroups_release()
3285 static int proc_tgid_base_readdir(struct file *file, struct dir_context *ctx)  in proc_tgid_base_readdir()  argument
3287 	return proc_pident_readdir(file, ctx,  in proc_tgid_base_readdir()
3297 struct pid *tgid_pidfd_to_pid(const struct file *file)  in tgid_pidfd_to_pid()  argument
3299 	if (file->f_op != &proc_tgid_base_operations)  in tgid_pidfd_to_pid()
3302 	return proc_pid(file_inode(file));  in tgid_pidfd_to_pid()
3432 int proc_pid_readdir(struct file *file, struct dir_context *ctx)  in proc_pid_readdir()  argument
3435 	struct proc_fs_info *fs_info = proc_sb_info(file_inode(file)->i_sb);  in proc_pid_readdir()
3436 	struct pid_namespace *ns = proc_pid_ns(file_inode(file)->i_sb);  in proc_pid_readdir()
3468 		if (!proc_fill_cache(file, ctx, name, len,  in proc_pid_readdir()
3617 static int proc_tid_base_readdir(struct file *file, struct dir_context *ctx)  in proc_tid_base_readdir()  argument
3619 	return proc_pident_readdir(file, ctx,  in proc_tid_base_readdir()
3776 static int proc_task_readdir(struct file *file, struct dir_context *ctx)  in proc_task_readdir()  argument
3778 	struct inode *inode = file_inode(file);  in proc_task_readdir()
3786 	if (!dir_emit_dots(file, ctx))  in proc_task_readdir()
3793 	tid = (int)file->f_version;  in proc_task_readdir()
3794 	file->f_version = 0;  in proc_task_readdir()
3802 		if (!proc_fill_cache(file, ctx, name, len,  in proc_task_readdir()
3806 			file->f_version = (u64)tid;  in proc_task_readdir()