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btrfs-progs
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Userspace utilities to manage btrfs filesystems
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Sergei Trofimovich 891dea4f00 mkfs.btrfs: return some defined value instead of garbage when lookup checksum 
==31873== Command: ./mkfs.btrfs -r /some/root/
==31873== Parent PID: 31872
==31873==
==31873== Conditional jump or move depends on uninitialised value(s)
==31873==    at 0x42C3D0: add_file_items (mkfs.c:792)
==31873==    by 0x42CAB3: traverse_directory (mkfs.c:948)
==31873==    by 0x42CF11: make_image (mkfs.c:1047)
==31873==    by 0x42DE53: main (mkfs.c:1401)
==31873==  Uninitialised value was created by a stack allocation
==31873==    at 0x41B1B1: btrfs_csum_file_block (file-item.c:195)

'ret' value was not initialized for 'found' branch.

The same fix sits in kernel:
> commit 639cb58675ce9b507eed9c3d6b3335488079b21a
> Author: Chris Mason <chris.mason@oracle.com>
> Date:   Thu Aug 28 06:15:25 2008 -0400
>
>     Btrfs: Fix variable init during csum creation
>
>     Signed-off-by: Chris Mason <chris.mason@oracle.com>

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Signed-off-by: Hugo Mills <hugo@carfax.org.uk>
 		2011-10-25 09:18:58 -04:00
man Updated manpage for btrfs subvolume snapshot. 2011-10-25 09:18:58 -04:00
.hgignore Add .hgignore file to ignore verison.h 2008-07-23 11:36:13 -04:00
.hgtags Added tag v0.16 for changeset 2b26e4f8c71e 2008-08-04 15:46:36 -04:00
COPYING fix COPYING 2007-06-12 15:41:08 -04:00
INSTALL Update/clean up btrfs help and man page V2 2011-10-25 09:18:31 -04:00
Makefile Add the "btrfs filesystem label" command 2011-10-25 09:18:31 -04:00
bcp bcp updates for single file copies 2008-05-02 16:12:02 -04:00
bit-radix.c Make btrfs-progs compile with -fstrict-aliasing (included in -O2) again. 2007-09-14 10:31:06 -04:00
bit-radix.h add GPLv2 2007-06-12 09:07:11 -04:00
btrfs-defrag.c new util: 'btrfs' 2010-03-11 13:45:47 -05:00
btrfs-image.c Mixed back reference (FORWARD ROLLING FORMAT CHANGE) 2009-06-08 13:30:36 -04:00
btrfs-list.c btrfs-progs: cast u64 to long long to avoid printf warnings 2011-10-25 09:18:57 -04:00
btrfs-map-logical.c btrfs-progs: cast u64 to long long to avoid printf warnings 2011-10-25 09:18:57 -04:00
btrfs-select-super.c Btrfs-progs: add a btrfs-select-super command to overwrite the super 2011-10-25 09:18:31 -04:00
btrfs-show.c Deprecate btrfsctl, btrfs-show, btrfs-vol 2011-10-25 09:18:31 -04:00
btrfs-vol.c Deprecate btrfsctl, btrfs-show, btrfs-vol 2011-10-25 09:18:31 -04:00
btrfs-zero-log.c Add rescue command to zero the log 2010-10-05 10:14:48 -04:00
btrfs.c make "btrfs filesystem label" command actually work 2011-10-25 09:18:58 -04:00
btrfs_cmds.c btrfs-progs: Fix over-sized limit on buffer 2011-10-25 09:18:58 -04:00
btrfs_cmds.h Add the "btrfs filesystem label" command 2011-10-25 09:18:31 -04:00
btrfsck.c Fix unused-but-set errors in gcc-4.6 2011-10-25 09:18:32 -04:00
btrfsctl.c btrfs-progs: cast u64 to long long to avoid printf warnings 2011-10-25 09:18:57 -04:00
btrfslabel.c Add the "btrfs filesystem label" command 2011-10-25 09:18:31 -04:00
btrfslabel.h Add the "btrfs filesystem label" command 2011-10-25 09:18:31 -04:00
btrfstune.c update btrfs-progs for seed device support 2008-11-18 10:40:06 -05:00
convert.c btrfs-convert: fix typo: 'all inode' -> 'all inodes' 2011-10-25 09:18:58 -04:00
crc32c.c CRC32C big endian bugs... 2008-02-15 11:20:02 -05:00
crc32c.h Mixed back reference (FORWARD ROLLING FORMAT CHANGE) 2009-06-08 13:30:36 -04:00
ctree.c Fix unused-but-set errors in gcc-4.6 2011-10-25 09:18:32 -04:00
ctree.h Update for lzo support 2011-10-25 09:18:31 -04:00
debug-tree.c btrfs-progs: cast u64 to long long to avoid printf warnings 2011-10-25 09:18:57 -04:00
dir-item.c Fix unused-but-set errors in gcc-4.6 2011-10-25 09:18:32 -04:00
dir-test.c Btrfs: add btrfs-debug-tree -b <block number> to print a single block 2010-04-06 09:30:17 -04:00
disk-io.c btrfs-progs: cast u64 to long long to avoid printf warnings 2011-10-25 09:18:57 -04:00
disk-io.h Btrfs-progs: add a btrfs-select-super command to overwrite the super 2011-10-25 09:18:31 -04:00
extent-cache.c Fix unused-but-set errors in gcc-4.6 2011-10-25 09:18:32 -04:00
extent-cache.h Add semantic checks to btrfsck for files and directories 2009-01-07 14:57:12 -05:00
extent-tree.c btrfs progs: fix extra metadata chunk allocation in --mixed case 2011-10-25 09:18:58 -04:00
extent_io.c Fix unused-but-set errors in gcc-4.6 2011-10-25 09:18:32 -04:00
extent_io.h Verify parent generation number on btree reads 2008-05-13 13:48:58 -04:00
file-item.c mkfs.btrfs: return some defined value instead of garbage when lookup checksum 2011-10-25 09:18:58 -04:00
hash.h Switch btrfs_name_hash() to crc32c 2008-08-20 20:11:23 -04:00
hasher.c Unaligned access fixes 2008-02-15 11:19:58 -05:00
inode-item.c btrfs-progs new dir index support 2008-07-24 12:13:32 -04:00
inode-map.c btrfs-progs: Fix printf format casting errors 2008-04-01 10:52:22 -04:00
ioctl-test.c Test the additional ioctl. 2011-10-25 09:18:58 -04:00
ioctl.h Added support for an additional ioctl. 2011-10-25 09:18:57 -04:00
kerncompat.h multidevice support for check_mounted 2010-09-23 20:26:49 -04:00
list.h Dynamic chunk allocation 2008-03-24 15:03:58 -04:00
mkfs.c mkfs.btrfs: fail on scandir error (-r mode) 2011-10-25 09:18:58 -04:00
print-tree.c btrfs-progs: cast u64 to long long to avoid printf warnings 2011-10-25 09:18:57 -04:00
print-tree.h Btrfs: add btrfs-debug-tree -b <block number> to print a single block 2010-04-06 09:30:17 -04:00
quick-test.c Btrfs: add btrfs-debug-tree -b <block number> to print a single block 2010-04-06 09:30:17 -04:00
radix-tree.c Make btrfs-progs compile with -fstrict-aliasing (included in -O2) again. 2007-09-14 10:31:06 -04:00
radix-tree.h i386 fixes from axboe 2007-06-12 11:39:09 -04:00
random-test.c Btrfs: add btrfs-debug-tree -b <block number> to print a single block 2010-04-06 09:30:17 -04:00
rbtree.c Stop using radix trees to record pending allocations 2007-10-15 16:25:04 -04:00
rbtree.h Stop using radix trees to record pending allocations 2007-10-15 16:25:04 -04:00
root-tree.c Btrfs: update converter for the new disk format 2008-12-17 16:10:07 -05:00
show-blocks Fix showblocks to display different colors for different metadata roots 2009-03-09 13:00:44 -04:00
transaction.h Update btrfs-progs to match kernel sources 2008-01-04 10:38:22 -05:00
utils.c mkfs should initialize unused fields properly 2011-10-25 09:18:32 -04:00
utils.h Add the "btrfs filesystem label" command 2011-10-25 09:18:31 -04:00
version.sh btrfs-progs v0.19 2009-06-11 12:56:15 -04:00
volumes.c Fix unused-but-set errors in gcc-4.6 2011-10-25 09:18:32 -04:00
volumes.h btrfs-progs: Add new feature to mkfs.btrfs to make file system image file from source directory 2011-10-25 09:18:31 -04:00