62 static int expand_corename(struct core_name *cn, int size)  in expand_corename()  argument
64 	char *corename = krealloc(cn->corename, size, GFP_KERNEL);  in expand_corename()
72 	cn->size = ksize(corename);  in expand_corename()
73 	cn->corename = corename;  in expand_corename()
77 static int cn_vprintf(struct core_name *cn, const char *fmt, va_list arg)  in cn_vprintf()  argument
83 	free = cn->size - cn->used;  in cn_vprintf()
86 	need = vsnprintf(cn->corename + cn->used, free, fmt, arg_copy);  in cn_vprintf()
90 		cn->used += need;  in cn_vprintf()
94 	if (!expand_corename(cn, cn->size + need - free + 1))  in cn_vprintf()
100 static int cn_printf(struct core_name *cn, const char *fmt, ...)  in cn_printf()  argument
106 	ret = cn_vprintf(cn, fmt, arg);  in cn_printf()
112 static int cn_esc_printf(struct core_name *cn, const char *fmt, ...)  in cn_esc_printf()  argument
114 	int cur = cn->used;  in cn_esc_printf()
119 	ret = cn_vprintf(cn, fmt, arg);  in cn_esc_printf()
122 	for (; cur < cn->used; ++cur) {  in cn_esc_printf()
123 		if (cn->corename[cur] == '/')  in cn_esc_printf()
124 			cn->corename[cur] = '!';  in cn_esc_printf()
129 static int cn_print_exe_file(struct core_name *cn)  in cn_print_exe_file()  argument
137 		return cn_esc_printf(cn, "%s (path unknown)", current->comm);  in cn_print_exe_file()
151 	ret = cn_esc_printf(cn, "%s", path);  in cn_print_exe_file()
164 static int format_corename(struct core_name *cn, struct coredump_params *cprm)  in format_corename()  argument
172 	cn->used = 0;  in format_corename()
173 	cn->corename = NULL;  in format_corename()
174 	if (expand_corename(cn, core_name_size))  in format_corename()
176 	cn->corename[0] = '\0';  in format_corename()
185 			err = cn_printf(cn, "%c", *pat_ptr++);  in format_corename()
193 				err = cn_printf(cn, "%c", '%');  in format_corename()
198 				err = cn_printf(cn, "%d",  in format_corename()
203 				err = cn_printf(cn, "%d",  in format_corename()
207 				err = cn_printf(cn, "%d",  in format_corename()
211 				err = cn_printf(cn, "%d",  in format_corename()
216 				err = cn_printf(cn, "%d", cred->uid);  in format_corename()
220 				err = cn_printf(cn, "%d", cred->gid);  in format_corename()
223 				err = cn_printf(cn, "%d",  in format_corename()
228 				err = cn_printf(cn, "%ld", cprm->siginfo->si_signo);  in format_corename()
235 				err = cn_printf(cn, "%lld", time);  in format_corename()
241 				err = cn_esc_printf(cn, "%s",  in format_corename()
247 				err = cn_esc_printf(cn, "%s", current->comm);  in format_corename()
250 				err = cn_print_exe_file(cn);  in format_corename()
254 				err = cn_printf(cn, "%lu",  in format_corename()
274 		err = cn_printf(cn, ".%d", task_tgid_vnr(current));  in format_corename()
508 	struct core_name cn;  in do_coredump()  local
561 	ispipe = format_corename(&cn, &cprm);  in do_coredump()
606 		helper_argv = argv_split(GFP_KERNEL, cn.corename, NULL);  in do_coredump()
624 			       cn.corename);  in do_coredump()
635 		if (need_suid_safe && cn.corename[0] != '/') {  in do_coredump()
657 			(void) sys_unlink((const char __user *)cn.corename);  in do_coredump()
685 				cn.corename, open_flags, 0600);  in do_coredump()
688 			cprm.file = filp_open(cn.corename, open_flags, 0600);  in do_coredump()
740 	kfree(cn.corename);  in do_coredump()