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* Sun Feb 07 2010 Eric Sandeen <sandeen@redhat.com> 1.41.9-10

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- Upstream version of resize2fs array fix, original was wrong
This commit is contained in:
Eric Sandeen 2010-02-07 22:02:46 +00:00
parent 40b7ab1832
commit 64027e375c
2 changed files with 47 additions and 34 deletions
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76
e2fsprogs-1.41.9-resize-array.patch
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@ -1,38 +1,48 @@
Index: e2fsprogs-1.41.9/resize/resize2fs.c
===================================================================
--- e2fsprogs-1.41.9.orig/resize/resize2fs.c
+++ e2fsprogs-1.41.9/resize/resize2fs.c
@@ -1818,9 +1818,6 @@ static errcode_t ext2fs_calculate_summar
fs->group_desc[group].bg_free_blocks_count =
commit 40b09fbe01fac8722b699b29f796e18550d68c84
Author: Theodore Ts'o <tytso@mit.edu>
Date: Fri Feb 5 22:25:03 2010 -0500
resize2fs: Fix fix uninit group test accessing invalid memory
Commit 74128f8 added tests for uninit groups, but it could access past
the end of the group_desc[] array after processing the last group:
==19668== Invalid read of size 2
==19668== at 0x40518C: resize_fs (resize2fs.c:1824)
==19668== by 0x405A46: main (main.c:451)
==19668== Address 0x5a0d002 is not stack'd, malloc'd or (recently) free'd
==19668==
==19668== Invalid read of size 2
==19668== at 0x405391: resize_fs (resize2fs.c:1864)
==19668== by 0x405A46: main (main.c:451)
==19668== Address 0x5a0d002 is not stack'd, malloc'd or (recently) free'd
==19668==
It was found by Eric Sandeen running the regression suite through
valgrind.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/resize/resize2fs.c b/resize/resize2fs.c
index 75c4721..346fd53 100644
--- a/resize/resize2fs.c
+++ b/resize/resize2fs.c
@@ -1819,6 +1819,8 @@ static errcode_t ext2fs_calculate_summary_stats(ext2_filsys fs)
group_free;
ext2fs_group_desc_csum_set(fs, group);
- group++;
- count = 0;
- group_free = 0;
uninit = (fs->group_desc[group].bg_flags &
EXT2_BG_BLOCK_UNINIT);
ext2fs_super_and_bgd_loc(fs, group, &super_blk,
@@ -1832,6 +1829,9 @@ static errcode_t ext2fs_calculate_summar
else
old_desc_blocks = fs->desc_blocks +
fs->super->s_reserved_gdt_blocks;
+ group++;
+ count = 0;
+ group_free = 0;
}
}
fs->super->s_free_blocks_count = total_free;
@@ -1858,11 +1858,11 @@ static errcode_t ext2fs_calculate_summar
fs->group_desc[group].bg_free_inodes_count =
group_free;
ext2fs_group_desc_csum_set(fs, group);
+ uninit = (fs->group_desc[group].bg_flags &
+ EXT2_BG_INODE_UNINIT);
group++;
+ if (group >= fs->group_desc_count)
+ break;
count = 0;
group_free = 0;
- uninit = (fs->group_desc[group].bg_flags &
- EXT2_BG_INODE_UNINIT);
}
}
fs->super->s_free_inodes_count = total_free;
uninit = (fs->group_desc[group].bg_flags &
@@ -1859,6 +1861,8 @@ static errcode_t ext2fs_calculate_summary_stats(ext2_filsys fs)
group_free;
ext2fs_group_desc_csum_set(fs, group);
group++;
+ if (group >= fs->group_desc_count)
+ break;
count = 0;
group_free = 0;
uninit = (fs->group_desc[group].bg_flags &

5
e2fsprogs.spec
View File

@ -4,7 +4,7 @@
Summary: Utilities for managing ext2, ext3, and ext4 filesystems
Name: e2fsprogs
Version: 1.41.9
Release: 9%{?dist}
Release: 10%{?dist}
# License tags based on COPYING file distinctions for various components
License: GPLv2
@ -317,6 +317,9 @@ exit 0
%{_libdir}/pkgconfig/ss.pc
%changelog
* Sun Feb 07 2010 Eric Sandeen <sandeen@redhat.com> 1.41.9-10
- Upstream version of resize2fs array fix, original was wrong
* Sat Jan 23 2010 Eric Sandeen <sandeen@redhat.com> 1.41.9-9
- Fix up stray output & re-enable make check
- Fix dlopen issues for newer libreadline