Lines Matching full:cn
69 static int expand_corename(struct core_name *cn, int size) in expand_corename() argument
74 corename = krealloc(cn->corename, size, GFP_KERNEL); in expand_corename()
82 cn->size = size; in expand_corename()
83 cn->corename = corename; in expand_corename()
87 static __printf(2, 0) int cn_vprintf(struct core_name *cn, const char *fmt, in cn_vprintf() argument
94 free = cn->size - cn->used; in cn_vprintf()
97 need = vsnprintf(cn->corename + cn->used, free, fmt, arg_copy); in cn_vprintf()
101 cn->used += need; in cn_vprintf()
105 if (!expand_corename(cn, cn->size + need - free + 1)) in cn_vprintf()
111 static __printf(2, 3) int cn_printf(struct core_name *cn, const char *fmt, ...) in cn_printf() argument
117 ret = cn_vprintf(cn, fmt, arg); in cn_printf()
124 int cn_esc_printf(struct core_name *cn, const char *fmt, ...) in cn_esc_printf() argument
126 int cur = cn->used; in cn_esc_printf()
131 ret = cn_vprintf(cn, fmt, arg); in cn_esc_printf()
139 if ((cn->used - cur == 1 && cn->corename[cur] == '.') || in cn_esc_printf()
140 (cn->used - cur == 2 && cn->corename[cur] == '.' in cn_esc_printf()
141 && cn->corename[cur+1] == '.')) in cn_esc_printf()
142 cn->corename[cur] = '!'; in cn_esc_printf()
150 if (cn->used == cur) in cn_esc_printf()
151 ret = cn_printf(cn, "!"); in cn_esc_printf()
154 for (; cur < cn->used; ++cur) { in cn_esc_printf()
155 if (cn->corename[cur] == '/') in cn_esc_printf()
156 cn->corename[cur] = '!'; in cn_esc_printf()
161 static int cn_print_exe_file(struct core_name *cn, bool name_only) in cn_print_exe_file() argument
169 return cn_esc_printf(cn, "%s (path unknown)", current->comm); in cn_print_exe_file()
188 ret = cn_esc_printf(cn, "%s", path); in cn_print_exe_file()
201 static int format_corename(struct core_name *cn, struct coredump_params *cprm, in format_corename() argument
211 cn->used = 0; in format_corename()
212 cn->corename = NULL; in format_corename()
213 if (expand_corename(cn, core_name_size)) in format_corename()
215 cn->corename[0] = '\0'; in format_corename()
237 if (cn->used != 0) in format_corename()
243 err = cn_printf(cn, "%c", '\0'); in format_corename()
246 (*argv)[(*argc)++] = cn->used; in format_corename()
250 err = cn_printf(cn, "%c", *pat_ptr++); in format_corename()
258 err = cn_printf(cn, "%c", '%'); in format_corename()
263 err = cn_printf(cn, "%d", in format_corename()
268 err = cn_printf(cn, "%d", in format_corename()
272 err = cn_printf(cn, "%d", in format_corename()
276 err = cn_printf(cn, "%d", in format_corename()
281 err = cn_printf(cn, "%u", in format_corename()
287 err = cn_printf(cn, "%u", in format_corename()
292 err = cn_printf(cn, "%d", in format_corename()
297 err = cn_printf(cn, "%d", in format_corename()
305 err = cn_printf(cn, "%lld", time); in format_corename()
311 err = cn_esc_printf(cn, "%s", in format_corename()
317 err = cn_esc_printf(cn, "%s", current->comm); in format_corename()
321 err = cn_print_exe_file(cn, true); in format_corename()
324 err = cn_print_exe_file(cn, false); in format_corename()
328 err = cn_printf(cn, "%lu", in format_corename()
333 err = cn_printf(cn, "%d", cprm->cpu); in format_corename()
352 err = cn_printf(cn, ".%d", task_tgid_vnr(current)); in format_corename()
522 struct core_name cn; in do_coredump() local
577 ispipe = format_corename(&cn, &cprm, &argv, &argc); in do_coredump()
631 helper_argv[argi] = cn.corename + argv[argi]; in do_coredump()
645 cn.corename); in do_coredump()
657 if (need_suid_safe && cn.corename[0] != '/') { in do_coredump()
675 do_unlinkat(AT_FDCWD, getname_kernel(cn.corename)); in do_coredump()
701 cprm.file = file_open_root(&root, cn.corename, in do_coredump()
705 cprm.file = filp_open(cn.corename, open_flags, 0600); in do_coredump()
731 cn.corename); in do_coredump()
736 cn.corename); in do_coredump()
757 pr_info("Core dump to |%s disabled\n", cn.corename); in do_coredump()
788 kfree(cn.corename); in do_coredump()