util linux patches

Signed-off-by: basebuilder_pel7ppc64bebuilder0 <basebuilder@powerel.org>

SOURCES/0086-libblkid-avoid-recursion-in-EBR.patch

@@ -0,0 +1,101 @@
+From 8125a64ff9e98d09c659dbd5adbca521d63a268b Mon Sep 17 00:00:00 2001
+From: Karel Zak <kzak@redhat.com>
+Date: Thu, 7 Jul 2016 14:22:41 +0200
+Subject: [PATCH 86/86] libblkid: avoid recursion in EBR
+
+Upstream: http://github.com/karelzak/util-linux/commit/7164a1c34d18831ac61c6744ad14ce916d389b3f
+Upstream: http://github.com/karelzak/util-linux/commit/50d1594c2e6142a3b51d2143c74027480df082e0
+Addresses: https://bugzilla.redhat.com/show_bug.cgi?id=1349536
+Signed-off-by: Karel Zak <kzak@redhat.com>
+---
+ libblkid/src/partitions/dos.c        | 21 +++++++++++++++++++--
+ libblkid/src/partitions/partitions.c | 14 ++++++++++++++
+ libblkid/src/partitions/partitions.h |  2 ++
+ 3 files changed, 35 insertions(+), 2 deletions(-)
+
+diff --git a/libblkid/src/partitions/dos.c b/libblkid/src/partitions/dos.c
+index 2d4a537..563fe9a 100644
+--- a/libblkid/src/partitions/dos.c
++++ b/libblkid/src/partitions/dos.c
+@@ -48,6 +48,12 @@ static int parse_dos_extended(blkid_probe pr, blkid_parttable tab,
+	int ct_nodata = 0;	/* count ext.partitions without data partitions */
+	int i;
+
++	DBG(LOWPROBE, blkid_debug("parse EBR [start=%d, size=%d]", ex_start/ssf, ex_size/ssf));
++	if (ex_start == 0) {
++		DBG(LOWPROBE, blkid_debug("Bad offset in primary extended partition -- ignore"));
++		return 0;
++	}
++
+	while (1) {
+		struct dos_partition *p, *p0;
+		uint32_t start, size;
+@@ -100,6 +106,13 @@ static int parse_dos_extended(blkid_probe pr, blkid_parttable tab,
+					continue;
+			}
+
++			/* Avoid recursive non-empty links, see ct_nodata counter */
++			if (blkid_partlist_get_partition_by_start(ls, abs_start)) {
++				DBG(LOWPROBE, blkid_debug("#%d: EBR duplicate data partition [abs start=%u] -- ignore",
++							i + 1, abs_start));
++				continue;
++			}
++
+			par = blkid_partlist_add_partition(ls, tab, abs_start, size);
+			if (!par)
+				return -ENOMEM;
+@@ -116,8 +129,12 @@ static int parse_dos_extended(blkid_probe pr, blkid_parttable tab,
+			start = dos_partition_start(p) * ssf;
+			size = dos_partition_size(p) * ssf;
+
+-			if (size && is_extended(p))
+-				break;
++			if (size && is_extended(p)) {
++				if (start == 0)
++					DBG(LOWPROBE, blkid_debug("#%d: EBR link offset is zero -- ignore", i + 1));
++				else
++					break;
++			}
+		}
+		if (i == 4)
+			goto leave;
+diff --git a/libblkid/src/partitions/partitions.c b/libblkid/src/partitions/partitions.c
+index 752fc95..9d846ff 100644
+--- a/libblkid/src/partitions/partitions.c
++++ b/libblkid/src/partitions/partitions.c
+@@ -928,6 +928,20 @@ blkid_partition blkid_partlist_get_partition(blkid_partlist ls, int n)
+	return &ls->parts[n];
+ }
+
++blkid_partition blkid_partlist_get_partition_by_start(blkid_partlist ls, uint64_t start)
++{
++	int i, nparts;
++	blkid_partition par;
++
++	nparts = blkid_partlist_numof_partitions(ls);
++	for (i = 0; i < nparts; i++) {
++		par = blkid_partlist_get_partition(ls, i);
++		if ((uint64_t) blkid_partition_get_start(par) == start)
++			return par;
++	}
++	return NULL;
++}
++
+ /**
+  * blkid_partlist_devno_to_partition:
+  * @ls: partitions list
+diff --git a/libblkid/src/partitions/partitions.h b/libblkid/src/partitions/partitions.h
+index 61763bf..4e99e2a 100644
+--- a/libblkid/src/partitions/partitions.h
++++ b/libblkid/src/partitions/partitions.h
+@@ -20,6 +20,8 @@ extern int blkid_partlist_increment_partno(blkid_partlist ls);
+
+ extern blkid_partition blkid_partlist_get_parent(blkid_partlist ls);
+
++extern blkid_partition blkid_partlist_get_partition_by_start(blkid_partlist ls, uint64_t start);
++
+ extern int blkid_partitions_do_subprobe(blkid_probe pr,
+			blkid_partition parent, const struct blkid_idinfo *id);
+
+--
+2.7.4