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* btrfs-progs: docs: update flushoncommit default valueDavid Sterba2016-09-21
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: docs: Add warning for build RAID btrfs on partions from the ↵Qu Wenruo2016-09-21
| | | | | | | | | same device Quite a common sense for any RAID-like multi-device setup, just in case. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: mkfs: Warn user for minimal RAID5/6 devices setupQu Wenruo2016-09-21
| | | | | | | | | | | For RAID5, 2 devices setup is just RAID1 with more overhead. For RAID6, 3 devices setup is RAID1 with 3 copies, not what most user want. So warn user at mkfs time for such case, and add explain in man pages. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests: post btrfs-convert verify permissions and ACLsLakshmipathi.G2016-09-21
| | | | | Signed-off-by: Lakshmipathi.G <Lakshmipathi.G@giis.co.in> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: build: add UBSAN to debugging featuresDavid Sterba2016-09-21
| | | | | | usage: make D=ubsan Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: dump-super: changes in options to specify superblocksDavid Sterba2016-09-21
| | | | | | | | | | | | Some tools (check, select-super, dump-super) can use the alternate superblocks, but the options are not consistent. To make it less confusing, change the meaning of option -s in 'dump-super' to specify the superblock copy, instead of taking the offset. Though this is a change in UI, the old usage is detected and the result would be the same, no breakage in existing scripts. Signed-off-by: David Sterba <dsterba@suse.com>
* Btrfs progs v4.7.2David Sterba2016-09-05
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: update CHANGES for 4.7.2David Sterba2016-09-05
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* Revert "btrfs-progs: check: supplement extent backref list with rbtree"David Sterba2016-09-05
| | | | | | | | | | | | | | | | This reverts commit 31d8235410985e0b64487354c9ba67d40c4bdfe3. False report of backref mismatches, lots of messages similar to: Incorrect local backref count on 12713984 root 5 owner 257 offset 12845056 found 1 wanted 0 back 0x7b3ed0 backpointer mismatch on [12713984 131072] Repairing will make things worse. A fix has been proposed, but is not finalized so we go with a revert. Reported-by: Chris Murphy <bugzilla@colorremedies.com> References: https://bugzilla.kernel.org/show_bug.cgi?id=155791 Signed-off-by: David Sterba <dsterba@suse.com>
* Revert "btrfs-progs: check: switch to iterating over the backref_tree"David Sterba2016-09-05
| | | | This reverts commit bbebe814c0e335745cfa773df966418e754b50e3.
* btrfs-progs: build: add ASAN to debugging featuresDavid Sterba2016-09-05
| | | | | | usage: make D=asan Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests: add fuzzed image for heap overflow while checking chunk ↵David Sterba2016-09-05
| | | | | | | items Reported-by: Lukas Lueg <lukas.lueg@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests: add fuzzed image for invalid chunk sectorsizeDavid Sterba2016-09-05
| | | | | Reported-by: Lukas Lueg <lukas.lueg@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests: add fuzzed image for invalid sys_array and stripe_lenDavid Sterba2016-09-05
| | | | | Reported-by: Lukas Lueg <lukas.lueg@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests: add fuzzed image for invalid sub_stripe valueDavid Sterba2016-09-05
| | | | | Reported-by: Lukas Lueg <lukas.lueg@gmail.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: image: more verbose syntax erors for -t and -cDavid Sterba2016-09-05
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: print help test to stdoutDavid Sterba2016-09-05
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests: add 015-dump-super-garbageDavid Sterba2016-09-05
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: dump-super: detect invalid checksum typeDavid Sterba2016-09-05
| | | | | | | | | The helper btrfs_super_csum_size unconditionally bugs on a bogus value, the dump-super is supposed to dump even corrupted superblocks so this must not happen here. Group the checsum values in the output and be more robust agains garbage values. Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: drop permission arg from non-creating openDavid Sterba2016-09-05
| | | | | | The permissions do not make sense without O_CREATE mode. Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: docs: describe filesystem featuresDavid Sterba2016-09-05
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: build: only install udev rules for udev >= 190Jeff Mahoney2016-09-05
| | | | | | | | Prior to udev v190, there was no btrfs builtin helper. Installing it on systems with an older udev will cause problems. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: tests README: fuzzed imagesDavid Sterba2016-09-05
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: fuzz-test: Add test case for unaligned extent itemQu Wenruo2016-09-05
| | | | | | | Reported-by: Lukas Lueg <lukas.lueg@gmail.com> Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> [ added bko-NNN- prefix to the files ] Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: fsck: Avoid abort and BUG_ON in add_tree_backrefQu Wenruo2016-09-05
| | | | | | | | | | | | Add_tree_backref() can cause BUG_ON() and abort() in quite a lot of cases, from the ENOMEM to existing tree backref records. Change all these BUG_ON() and abort() to return proper values. And modify all callers to handle such problems. Reported-by: Lukas Lueg <lukas.lueg@gmail.com> Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: fsck: Check bytenr alignment for extent itemQu Wenruo2016-09-05
| | | | | | | Check bytenr alignment for extent item to filter invalid items early. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: fuzz-test: Add test case for invalid drop levelQu Wenruo2016-09-05
| | | | | | | Reported-by: Lukas Lueg <lukas.lueg@gmail.com> Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> [ added bko-NNN- prefix to the files ] Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: fsck: Check drop level before walking through fs treeQu Wenruo2016-09-05
| | | | | | | | | | | | Exposed by fuzzed image from Lukas, which contains invalid drop level (16), causing segfault when accessing path->nodes[drop_level]. This patch will check drop level against fs tree level and BTRFS_MAX_LEVEL to avoid such problem. Reported-by: Lukas Lueg <lukas.lueg@gmail.com> Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: fuzz-test: Add image for unaligned tree block ptrQu Wenruo2016-09-05
| | | | | | | | | | Add test case image for unaligned tree block ptr. It should lead to BUG_ON in free_extent_buffer(). Reported-by: Lukas Lueg <lukas.lueg@gmail.com> Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> [ added bko-NNN- prefix to the files ] Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: check: do early check for read_tree_blockQu Wenruo2016-09-05
| | | | | | | | | | | | | | | | | | | Although we have enhanced read_tree_block() from a lot of different aspects, it lacks the early bytenr/blocksize alignment check. And the lack of such check can lead to strange use-after-free bugs, due to the fact that alloc_extent_buffer() will free overlapping extent buffers, and allocate new eb for the usage. So we should not allow invalid bytenr/blocksize even passed to btrfs_find_create_tree_block(). This patch will add such check so we won't trigger use-after-free bug then. Reported-by: Lukas Lueg <lukas.lueg@gmail.com> Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: fuzz-test: Add image for wrong chunk item in root treeQu Wenruo2016-09-05
| | | | | | | | | | | | | | Reported by Lukas and the same image from him. DATA_RELOC tree's key type is modifed to CHUNK_ITEM, causing btrfsck interpret it as CHUNK_ITEM and cause 0 num_stripes. Add the image to fuzz-test. Reported-by: Lukas Lueg <lukas.lueg@gmail.com> Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> [ added bko-NNN- prefix to the files ] Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: Do extra chunk check before processing chunk itemQu Wenruo2016-09-05
| | | | | | | | | | | | | | | | | | | Current we only do chunk validation check at mount time. It's good for most case, but for fuzzed or manually crafted images, we can insert a CHUNK_ITEM key into root tree. Since mount time check will only check chunk tree, it will not check CHUNK_ITEM in root tree. Even with previous key type check against leaf owner, it is still possible to modify the leaf owner to by-pass it. So we still need to check chunk validation before processing it. Reported-by: Lukas Lueg <lukas.lueg@gmail.com> Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: check: ignore invalid key in invalid rootQu Wenruo2016-09-05
| | | | | | | | | | | | | Btrfs tree implies a lot of restriction on which key types are allowed in specific roots. Like CHUNK_ITEM keys are only valid in chunk root. This patch will add such check at run_next_block() for original mode. Reported-by: Lukas Lueg <lukas.lueg@gmail.com> Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: Enhance and export print_key_type functionQu Wenruo2016-09-05
| | | | | | | Just the same thing done for print_objectid(). Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: Enhance and export print_objectid functionQu Wenruo2016-09-05
| | | | | | | | | This function is quite useful for a lot of error report. Enhance it to support custom output other than stdout. And export it for later btrfsck enhancement. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
* Btrfs progs v4.7.1David Sterba2016-08-25
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: update CHANGES for 4.7.1David Sterba2016-08-25
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: add rest of stack operations for btrfs_dir_itemDavid Sterba2016-08-25
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: convert: switch to common error helpers in do_rollbackDavid Sterba2016-08-24
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: convert: reword message when conversion failsDavid Sterba2016-08-24
| | | | | | | The filesystem will not be finalized, no difference if it's before or after the chunk mapping fixups. Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: convert: switch to message helpers in do_convertDavid Sterba2016-08-24
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: convert: remove redundant checkDavid Sterba2016-08-24
| | | | | | | The check for sectorsize is properly done in do_convert, remove the BUG_ON. Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: convert: improve error hanling of init_btrfsDavid Sterba2016-08-24
| | | | | | Replace BUG_ONs and verbosely report the errors. Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: convert: improve error hanling of create_subvolDavid Sterba2016-08-24
| | | | | | Replace BUG_ONs and verbosely report the errors. Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: convert: improve error hanling of link_subvolDavid Sterba2016-08-24
| | | | | | Replace BUG_ONs and verbosely report the errors. Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: convert: make ext2 compilation honor the configure optionsDavid Sterba2016-08-24
| | | | | | | Now ext2 conversion will be built in iff it's selected by --with-convert option. Default is yes. Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: convert: move prepare_system_chunk_sbDavid Sterba2016-08-24
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: convert: move migrate_super_blockDavid Sterba2016-08-24
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: convert: move init_btrfsDavid Sterba2016-08-24
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
* btrfs-progs: convert: move make_convert_data_block_groupsDavid Sterba2016-08-24
| | | | Signed-off-by: David Sterba <dsterba@suse.com>
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