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util linux patches

Signed-off-by: basebuilder_pel7ppc64bebuilder0 <basebuilder@powerel.org>
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basebuilder_pel7ppc64bebuilder0 7 years ago
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  1. 30
      SOURCES/0113-libblkid-zfs-add-cast-to-fix-UB-cppcheck.patch

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SOURCES/0113-libblkid-zfs-add-cast-to-fix-UB-cppcheck.patch

@ -0,0 +1,30 @@
From a569050329d914ad5aa15978f2a4a3d969c7c8b1 Mon Sep 17 00:00:00 2001
From: Boris Egorov <egorov@linux.com>
Date: Tue, 19 Jan 2016 11:37:57 +0600
Subject: [PATCH 113/116] libblkid: (zfs) add cast to fix UB [cppcheck]

[libblkid/src/superblocks/zfs.c:173]: (error) Shifting 32-bit value by 56 bits is undefined behaviour
[libblkid/src/superblocks/zfs.c:173]: (error) Shifting 32-bit value by 40 bits is undefined behaviour

Upstream: https://github.com/karelzak/util-linux/commit/18b76be61c11fd5f11fcb84aa6a946d3b03d7225
Addresses: https://bugzilla.redhat.com/show_bug.cgi?id=1392661
Signed-off-by: Karel Zak <kzak@redhat.com>
---
libblkid/src/superblocks/zfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libblkid/src/superblocks/zfs.c b/libblkid/src/superblocks/zfs.c
index 5074495..ff12fa6 100644
--- a/libblkid/src/superblocks/zfs.c
+++ b/libblkid/src/superblocks/zfs.c
@@ -170,7 +170,7 @@ static void zfs_extract_guid_name(blkid_probe pr, loff_t offset)

static int find_uberblocks(const void *label, loff_t *ub_offset, int *swap_endian)
{
- uint64_t swab_magic = swab64(UBERBLOCK_MAGIC);
+ uint64_t swab_magic = swab64((uint64_t)UBERBLOCK_MAGIC);
struct zfs_uberblock *ub;
int i, found = 0;
loff_t offset = VDEV_LABEL_UBERBLOCK;
--
2.9.3
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