Fix for GitHub issue 998.

diff --git a/libarchive/archive_read_support_format_xar.c b/libarchive/archive_read_support_format_xar.c
index 5933fce919c05faa09e0d9cd5e12c8a7b6e5bb15..c4dd915a2c0e25855bf22d7b529b61b1965cdb87 100644 (file)
--- a/libarchive/archive_read_support_format_xar.c
+++ b/libarchive/archive_read_support_format_xar.c
@@ -976,7 +976,7 @@ move_reading_point(struct archive_read *a, uint64_t offset)
                                return ((int)step);
                        xar->offset += step;
                } else {
-                       int64_t pos = __archive_read_seek(a, offset, SEEK_SET);
+                       int64_t pos = __archive_read_seek(a, xar->h_base + offset, SEEK_SET);
                        if (pos == ARCHIVE_FAILED) {
                                archive_set_error(&(a->archive),
                                    ARCHIVE_ERRNO_MISC,