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remarkable-linux/fs/btrfs
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Liu Bo c871b0f2fd Btrfs: check if extent buffer is aligned to sectorsize 
Thanks to fuzz testing, we can pass an invalid bytenr to extent buffer
via alloc_extent_buffer().  An unaligned eb can have more pages than it
should have, which ends up extent buffer's leak or some corrupted content
in extent buffer.

This adds a warning to let us quickly know what was happening.

Now that alloc_extent_buffer() no more returns NULL, this changes its
caller and callers of its caller to match with the new error
handling.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2016-06-17 18:32:40 +02:00
..
tests Btrfs: self-tests: Fix extent buffer bitmap test fail on BE system 2016-06-06 17:17:12 +02:00
acl.c Merge branch 'for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2016-01-18 12:44:40 -08:00
async-thread.c btrfs: async-thread: Fix a use-after-free error for trace 2016-01-25 16:50:26 -08:00
async-thread.h btrfs: async_thread: Fix workqueue 'max_active' value when initializing 2015-08-31 11:46:40 -07:00
backref.c Merge branch 'cleanups-4.7' into for-chris-4.7-20160525 2016-05-25 22:51:03 +02:00
backref.h btrfs: cleanup, remove inode_item_info helper 2015-01-14 19:23:47 +01:00
btrfs_inode.h Merge branch 'cleanups-4.7' into for-chris-4.7-20160525 2016-05-25 22:51:03 +02:00
check-integrity.c btrfs: Use correct format specifier 2016-06-17 18:32:40 +02:00
check-integrity.h block: submit_bio_wait() conversions 2013-11-24 16:33:41 -07:00
compression.c btrfs: make find_workspace warn if there are no workspaces 2016-05-10 09:46:16 +02:00
compression.h btrfs: move btrfs_compression_type to compression.h 2016-03-11 17:12:46 +01:00
ctree.c Btrfs: check if extent buffer is aligned to sectorsize 2016-06-17 18:32:40 +02:00
ctree.h Merge branch 'cleanups-4.7' into for-chris-4.7-20160525 2016-05-25 22:51:03 +02:00
delayed-inode.c btrfs: GFP_NOFS does not GFP_HIGHMEM 2016-05-10 09:44:21 +02:00
delayed-inode.h btrfs: properly set the termination value of ctx->pos in readdir 2016-02-11 07:01:59 -08:00
delayed-ref.c btrfs: drop null testing before destroy functions 2016-02-18 11:46:03 +01:00
delayed-ref.h btrfs: fix string and comment grammatical issues and typos 2016-05-25 22:35:14 +02:00
dev-replace.c Merge branch 'cleanups-4.7' into for-chris-4.7-20160525 2016-05-25 22:51:03 +02:00
dev-replace.h btrfs: refactor btrfs_dev_replace_start for reuse 2016-04-28 10:59:13 +02:00
dir-item.c Btrfs: make xattr replace operations atomic 2014-11-20 17:20:07 -08:00
disk-io.c Btrfs: check if extent buffer is aligned to sectorsize 2016-06-17 18:32:40 +02:00
disk-io.h Btrfs: self-tests: Support non-4k page size 2016-06-02 19:23:14 +02:00
export.c BTRFS: support NFSv2 export 2015-10-06 06:55:23 -07:00
export.h
extent-tree.c Btrfs: check if extent buffer is aligned to sectorsize 2016-06-17 18:32:40 +02:00
extent_io.c Btrfs: check if extent buffer is aligned to sectorsize 2016-06-17 18:32:40 +02:00
extent_io.h Btrfs: self-tests: Support non-4k page size 2016-06-02 19:23:14 +02:00
extent_map.c btrfs: fix string and comment grammatical issues and typos 2016-05-25 22:35:14 +02:00
extent_map.h btrfs: cleanup, stop casting for extent_map->lookup everywhere 2016-01-15 19:22:28 +01:00
file-item.c btrfs: sink gfp parameter to set_extent_bits 2016-04-29 11:01:47 +02:00
file.c Btrfs: fix handling of faults from btrfs_copy_from_user 2016-05-26 13:23:59 -07:00
free-space-cache.c Btrfs: self-tests: Support non-4k page size 2016-06-02 19:23:14 +02:00
free-space-cache.h btrfs: fix string and comment grammatical issues and typos 2016-05-25 22:35:14 +02:00
free-space-tree.c Revert "btrfs: synchronize incompat feature bits with sysfs files" 2016-01-29 08:19:37 -08:00
free-space-tree.h Btrfs: implement the free space B-tree 2015-12-17 12:16:47 -08:00
hash.c btrfs: advertise which crc32c implementation is being used at module load 2016-06-06 14:08:28 +02:00
hash.h btrfs: advertise which crc32c implementation is being used at module load 2016-06-06 14:08:28 +02:00
inode-item.c btrfs: rename btrfs_std_error to btrfs_handle_fs_error 2016-04-28 10:36:54 +02:00
inode-map.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
inode-map.h Btrfs: Initialize btrfs_root->highest_objectid when loading tree root and subvolume roots 2016-01-15 19:25:02 +01:00
inode.c Btrfs: deal with duplciates during extent_map insertion in btrfs_get_extent 2016-06-03 12:32:34 -07:00
ioctl.c Merge branch 'cleanups-4.7' into for-chris-4.7-20160525 2016-05-25 22:51:03 +02:00
Kconfig rcu: Make SRCU optional by using CONFIG_SRCU 2015-01-06 11:04:29 -08:00
locking.c btrfs: cleanup, remove stray return statements 2016-01-07 14:30:52 +01:00
locking.h btrfs: fix lockups from btrfs_clear_path_blocking 2014-11-19 10:34:35 -08:00
lzo.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
Makefile Btrfs: add free space tree sanity tests 2015-12-17 12:16:47 -08:00
math.h btrfs: cleanup 64bit/32bit divs, compile time constants 2015-03-03 17:23:57 +01:00
ordered-data.c Btrfs: fix race setting block group readonly during device replace 2016-05-30 12:58:21 +01:00
ordered-data.h Btrfs: fix race setting block group readonly during device replace 2016-05-30 12:58:21 +01:00
orphan.c btrfs: kill the key type accessor helpers 2014-09-17 13:37:12 -07:00
print-tree.c btrfs: teach print_leaf about temporary item subtypes 2016-02-11 16:15:43 +01:00
print-tree.h btrfs: make static code static & remove dead code 2013-05-06 15:55:23 -04:00
props.c btrfs: move btrfs_compression_type to compression.h 2016-03-11 17:12:46 +01:00
props.h Btrfs: add support for inode properties 2014-01-28 13:20:24 -08:00
qgroup.c btrfs: fix string and comment grammatical issues and typos 2016-05-25 22:35:14 +02:00
qgroup.h btrfs: qgroup: Check if qgroup reserved space leaked 2015-10-21 18:41:10 -07:00
raid56.c btrfs: fix string and comment grammatical issues and typos 2016-05-25 22:35:14 +02:00
raid56.h Btrfs: add RAID 5/6 BTRFS_RBIO_REBUILD_MISSING operation 2015-08-09 07:34:26 -07:00
rcu-string.h Btrfs: use rcu to protect device->name 2012-06-14 21:29:16 -04:00
reada.c Btrfs: fix race between readahead and device replace/removal 2016-05-30 12:58:18 +01:00
relocation.c Merge branch 'cleanups-4.7' into for-chris-4.7-20160525 2016-05-25 22:51:03 +02:00
root-tree.c Merge branch 'cleanups-4.7' into for-chris-4.7-20160525 2016-05-25 22:51:03 +02:00
scrub.c Btrfs: fix race setting block group back to RW mode during device replace 2016-05-30 12:58:24 +01:00
send.c Merge branch 'cleanups-4.7' into for-chris-4.7-20160525 2016-05-25 22:51:03 +02:00
send.h Btrfs: use linux/sizes.h to represent constants 2016-01-07 14:38:02 +01:00
struct-funcs.c btrfs: fix string and comment grammatical issues and typos 2016-05-25 22:35:14 +02:00
super.c Merge branch 'misc-fixes-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.7 2016-06-08 14:36:12 -07:00
sysfs.c btrfs: sysfs: protect reading label by lock 2016-05-06 15:22:49 +02:00
sysfs.h btrfs: sysfs: introduce helper for syncing bits with sysfs files 2016-01-21 18:50:40 +01:00
transaction.c Merge branch 'cleanups-4.7' into for-chris-4.7-20160525 2016-05-25 22:51:03 +02:00
transaction.h btrfs: fix string and comment grammatical issues and typos 2016-05-25 22:35:14 +02:00
tree-defrag.c Btrfs: fix locking bugs when defragging leaves 2015-12-18 02:51:32 +00:00
tree-log.c Btrfs: check if extent buffer is aligned to sectorsize 2016-06-17 18:32:40 +02:00
tree-log.h Btrfs: fix unreplayable log after snapshot delete + parent dir fsync 2016-03-01 08:23:25 -08:00
ulist.c btrfs: fix string and comment grammatical issues and typos 2016-05-25 22:35:14 +02:00
ulist.h btrfs: ulist: Add ulist_del() function. 2015-06-10 09:26:17 -07:00
uuid-tree.c Btrfs: make btrfs_search_forward return with nodes unlocked 2014-09-17 13:38:02 -07:00
volumes.c Btrfs: check if extent buffer is aligned to sectorsize 2016-06-17 18:32:40 +02:00
volumes.h Merge branch 'foreign/jeffm/uapi' into for-chris-4.7-20160516 2016-05-16 15:46:29 +02:00
xattr.c Btrfs: fix listxattrs not listing all xattrs packed in the same item 2016-03-01 08:23:41 -08:00
xattr.h btrfs: Use xattr handler infrastructure 2015-12-06 21:34:14 -05:00
zlib.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00