1 files changed, 42 insertions, 0 deletions

diff --git a/meta/recipes-extended/libarchive/libarchive/0001-Patch-from-upstream-revision-1990.patch b/meta/recipes-extended/libarchive/libarchive/0001-Patch-from-upstream-revision-1990.patch
new file mode 100644
index 0000000000..f65f89f46b
--- /dev/null
+++ b/meta/recipes-extended/libarchive/libarchive/0001-Patch-from-upstream-revision-1990.patch
@@ -0,0 +1,42 @@
+libarchive: Backport patch from upstream (revision 1990)
+
+Upstream-Status: Backport
+
+Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
+
+diff --git a/libarchive/archive_read_disk_entry_from_file.c b/libarchive/archive_read_disk_entry_from_file.c
+index 7473c50..27671df 100644
+--- a/libarchive/archive_read_disk_entry_from_file.c
++++ b/libarchive/archive_read_disk_entry_from_file.c
+@@ -163,15 +163,26 @@ archive_read_disk_entry_from_file(struct archive *_a,
+ 
+ #ifdef HAVE_READLINK
+        if (S_ISLNK(st->st_mode)) {
+-               char linkbuffer[PATH_MAX + 1];
+-               int lnklen = readlink(path, linkbuffer, PATH_MAX);
++               size_t linkbuffer_len = st->st_size + 1;
++               char *linkbuffer;
++               int lnklen;
++
++               linkbuffer = malloc(linkbuffer_len);
++               if (linkbuffer == NULL) {
++                       archive_set_error(&a->archive, ENOMEM,
++                           "Couldn't read link data");
++                       return (ARCHIVE_FAILED);
++               }
++               lnklen = readlink(path, linkbuffer, linkbuffer_len);
+                if (lnklen < 0) {
+                        archive_set_error(&a->archive, errno,
+                            "Couldn't read link data");
++                       free(linkbuffer);
+                        return (ARCHIVE_FAILED);
+                }
+                linkbuffer[lnklen] = 0;
+                archive_entry_set_symlink(entry, linkbuffer);
++               free(linkbuffer);
+        }
+ #endif
+ 
+-- 
+1.7.1
+