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55 lines
1.7 KiB
55 lines
1.7 KiB
7 years ago
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From 1190dc5b214ce6ba4cbeadbdd599ab3ebb2cbb13 Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Fri, 8 Jun 2012 14:42:45 -0700
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Subject: [PATCH] libparted: Fix endian error with FirstUsableLBA (#829960)
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On big-endial systems (eg. ppc64) this would cause parted to
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crash.
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* NEWS: add new bugfix
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* libparted/labels/gpt.c (gpt_get_max_supported_partition_count):
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fix endian issues with pth->FirstUsableLBA
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---
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NEWS | 3 ++-
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libparted/labels/gpt.c | 4 ++--
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2 files changed, 4 insertions(+), 3 deletions(-)
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diff --git a/NEWS b/NEWS
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index b0a0657..596ab37 100644
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--- a/NEWS
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+++ b/NEWS
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@@ -1,9 +1,10 @@
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GNU parted NEWS -*- outline -*-
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-* Noteworthy changes in release 3.1-2 (2012-03-21) [Fedora]
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+* Noteworthy changes in release 3.1-4 (2012-06-08) [Fedora]
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** Bug Fixes
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+ libparted: Don't crash on big-endian systems when using GPT
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libparted: Treat disks without a PMBR as msdos labeled disks
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even if they have GPT partition tables.
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diff --git a/libparted/labels/gpt.c b/libparted/labels/gpt.c
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index ab2145e..6ca33c8 100644
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--- a/libparted/labels/gpt.c
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+++ b/libparted/labels/gpt.c
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@@ -1787,12 +1787,12 @@ gpt_get_max_supported_partition_count (const PedDisk *disk, int *max_n)
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if (!_header_is_valid (disk, pth, 1))
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{
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- pth->FirstUsableLBA = 34;
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+ pth->FirstUsableLBA = PED_CPU_TO_LE64 (34);
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pth->SizeOfPartitionEntry
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= PED_CPU_TO_LE32 (sizeof (GuidPartitionEntry_t));
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}
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- *max_n = (disk->dev->sector_size * (pth->FirstUsableLBA - 2)
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+ *max_n = (disk->dev->sector_size * (PED_LE64_TO_CPU (pth->FirstUsableLBA)-2)
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/ PED_LE32_TO_CPU (pth->SizeOfPartitionEntry));
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pth_free (pth);
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return true;
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--
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1.7.7.6
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