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Diffstat (limited to 'Utilities/cmlibarchive/libarchive/archive_read_support_format_tar.c')
-rw-r--r--Utilities/cmlibarchive/libarchive/archive_read_support_format_tar.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/Utilities/cmlibarchive/libarchive/archive_read_support_format_tar.c b/Utilities/cmlibarchive/libarchive/archive_read_support_format_tar.c
index 30d5bc83c3..60800bb812 100644
--- a/Utilities/cmlibarchive/libarchive/archive_read_support_format_tar.c
+++ b/Utilities/cmlibarchive/libarchive/archive_read_support_format_tar.c
@@ -251,15 +251,15 @@ archive_read_support_format_tar(struct archive *_a)
ARCHIVE_STATE_NEW, "archive_read_support_format_tar");
tar = (struct tar *)calloc(1, sizeof(*tar));
-#ifdef HAVE_COPYFILE_H
- /* Set this by default on Mac OS. */
- tar->process_mac_extensions = 1;
-#endif
if (tar == NULL) {
archive_set_error(&a->archive, ENOMEM,
"Can't allocate tar data");
return (ARCHIVE_FATAL);
}
+#ifdef HAVE_COPYFILE_H
+ /* Set this by default on Mac OS. */
+ tar->process_mac_extensions = 1;
+#endif
r = __archive_read_register_format(a, tar, "tar",
archive_read_format_tar_bid,
@@ -2241,7 +2241,7 @@ gnu_add_sparse_entry(struct archive_read *a, struct tar *tar,
else
tar->sparse_list = p;
tar->sparse_last = p;
- if (remaining < 0 || offset < 0) {
+ if (remaining < 0 || offset < 0 || offset > INT64_MAX - remaining) {
archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, "Malformed sparse map data");
return (ARCHIVE_FATAL);
}