196 static int format_corename(struct core_name *cn, struct coredump_params *cprm,  in format_corename()  argument
288 					__get_dumpable(cprm->mm_flags));  in format_corename()
293 						cprm->siginfo->si_signo);  in format_corename()
593 	struct coredump_params cprm = {  in do_coredump()  local
610 	if (!__get_dumpable(cprm.mm_flags))  in do_coredump()
622 	if (__get_dumpable(cprm.mm_flags) == SUID_DUMP_ROOT) {  in do_coredump()
634 	ispipe = format_corename(&cn, &cprm, &argv, &argc);  in do_coredump()
648 		if (cprm.limit == 1) {  in do_coredump()
670 		cprm.limit = RLIM_INFINITY;  in do_coredump()
694 						umh_pipe_setup, NULL, &cprm);  in do_coredump()
711 		if (cprm.limit < binfmt->min_coredump)  in do_coredump()
758 			cprm.file = file_open_root(&root, cn.corename,  in do_coredump()
762 			cprm.file = filp_open(cn.corename, open_flags, 0600);  in do_coredump()
764 		if (IS_ERR(cprm.file))  in do_coredump()
767 		inode = file_inode(cprm.file);  in do_coredump()
770 		if (d_unhashed(cprm.file->f_path.dentry))  in do_coredump()
784 		mnt_userns = file_mnt_user_ns(cprm.file);  in do_coredump()
796 		if (!(cprm.file->f_mode & FMODE_CAN_WRITE))  in do_coredump()
798 		if (do_truncate(mnt_userns, cprm.file->f_path.dentry,  in do_coredump()
799 				0, 0, cprm.file))  in do_coredump()
813 		if (!cprm.file) {  in do_coredump()
817 		file_start_write(cprm.file);  in do_coredump()
818 		core_dumped = binfmt->core_dump(&cprm);  in do_coredump()
825 		if (cprm.to_skip) {  in do_coredump()
826 			cprm.to_skip--;  in do_coredump()
827 			dump_emit(&cprm, "", 1);  in do_coredump()
829 		file_end_write(cprm.file);  in do_coredump()
832 		wait_for_dump_helpers(cprm.file);  in do_coredump()
834 	if (cprm.file)  in do_coredump()
835 		filp_close(cprm.file, NULL);  in do_coredump()
855 static int __dump_emit(struct coredump_params *cprm, const void *addr, int nr)  in __dump_emit()  argument
857 	struct file *file = cprm->file;  in __dump_emit()
860 	if (cprm->written + nr > cprm->limit)  in __dump_emit()
870 	cprm->written += n;  in __dump_emit()
871 	cprm->pos += n;  in __dump_emit()
876 static int __dump_skip(struct coredump_params *cprm, size_t nr)  in __dump_skip()  argument
879 	struct file *file = cprm->file;  in __dump_skip()
884 		cprm->pos += nr;  in __dump_skip()
888 			if (!__dump_emit(cprm, zeroes, PAGE_SIZE))  in __dump_skip()
892 		return __dump_emit(cprm, zeroes, nr);  in __dump_skip()
896 int dump_emit(struct coredump_params *cprm, const void *addr, int nr)  in dump_emit()  argument
898 	if (cprm->to_skip) {  in dump_emit()
899 		if (!__dump_skip(cprm, cprm->to_skip))  in dump_emit()
901 		cprm->to_skip = 0;  in dump_emit()
903 	return __dump_emit(cprm, addr, nr);  in dump_emit()
907 void dump_skip_to(struct coredump_params *cprm, unsigned long pos)  in dump_skip_to()  argument
909 	cprm->to_skip = pos - cprm->pos;  in dump_skip_to()
913 void dump_skip(struct coredump_params *cprm, size_t nr)  in dump_skip()  argument
915 	cprm->to_skip += nr;  in dump_skip()
920 int dump_user_range(struct coredump_params *cprm, unsigned long start,  in dump_user_range()  argument
940 			stop = !dump_emit(cprm, kaddr, PAGE_SIZE);  in dump_user_range()
946 			dump_skip(cprm, PAGE_SIZE);  in dump_user_range()
953 int dump_align(struct coredump_params *cprm, int align)  in dump_align()  argument
955 	unsigned mod = (cprm->pos + cprm->to_skip) & (align - 1);  in dump_align()
959 		cprm->to_skip += align - mod;  in dump_align()
1097 int dump_vma_snapshot(struct coredump_params *cprm, int *vma_count,  in dump_vma_snapshot()  argument
1130 		m->dump_size = vma_dump_size(vma, cprm->mm_flags);  in dump_vma_snapshot()