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4d9981429a
- hfsplus: fix generic/642 failure
- hfsplus: rework logic of map nodes creation in xattr b-tree
- hfsplus: fix logic of alloc/free b-tree node
- hfsplus: fix error processing issue in hfs_bmap_free()
- hfsplus: fix potential race conditions in b-tree functionality
- hfsplus: extract hidden directory search into a helper function
- hfsplus: fix held lock freed on hfsplus_fill_super()
- hfsplus: fix generic/523 test-case failure
- hfsplus: validate b-tree node 0 bitmap at mount time
- hfsplus: refactor b-tree map page access and add node-type validation
- hfsplus: fix to update ctime after rename
- hfsplus: fix generic/533 test-case failure
- hfsplus: set ctime after setxattr and removexattr
- hfsplus: fix uninit-value by validating catalog record size
- hfsplus: fix potential Allocation File corruption after fsync
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Merge tag 'hfs-v7.1-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/vdubeyko/hfs
Pull hfsplus updates from Viacheslav Dubeyko:
"This contains several fixes of syzbot reported issues and HFS+ fixes
of xfstests failures.
- Fix a syzbot reported issue of a KMSAN uninit-value in
hfsplus_strcasecmp().
The root cause was that hfs_brec_read() doesn't validate that the
on-disk record size matches the expected size for the record type
being read. The fix introduced hfsplus_brec_read_cat() wrapper that
validates the record size based on the type field and returns -EIO
if size doesn't match (Deepanshu Kartikey)
- Fix a syzbot reported issue of processing corrupted HFS+ images
where the b-tree allocation bitmap indicates that the header node
(Node 0) is free. Node 0 must always be allocated. Violating this
invariant leads to allocator corruption, which cascades into kernel
panics or undefined behavior.
Prevent trusting a corrupted allocator state by adding a validation
check during hfs_btree_open(). If corruption is detected, print a
warning identifying the specific corrupted tree and force the
filesystem to mount read-only (SB_RDONLY).
This prevents kernel panics from corrupted images while enabling
data recovery (Shardul Bankar)
- Fix a potential deadlock in hfsplus_fill_super().
hfsplus_fill_super() calls hfs_find_init() to initialize a search
structure, which acquires tree->tree_lock. If the subsequent call
to hfsplus_cat_build_key() fails, the function jumps to the
out_put_root error label without releasing the lock.
Fix this by adding the missing hfs_find_exit(&fd) call before
jumping to the out_put_root error label. This ensures that
tree->tree_lock is properly released on the error path (Zilin Guan)
- Update a files ctime after rename in hfsplus_rename() (Yangtao Li)
The rest of the patches introduce the HFS+ fixes for the case of
generic/348, generic/728, generic/533, generic/523, and generic/642
test-cases of xfstests suite"
* tag 'hfs-v7.1-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/vdubeyko/hfs:
hfsplus: fix generic/642 failure
hfsplus: rework logic of map nodes creation in xattr b-tree
hfsplus: fix logic of alloc/free b-tree node
hfsplus: fix error processing issue in hfs_bmap_free()
hfsplus: fix potential race conditions in b-tree functionality
hfsplus: extract hidden directory search into a helper function
hfsplus: fix held lock freed on hfsplus_fill_super()
hfsplus: fix generic/523 test-case failure
hfsplus: validate b-tree node 0 bitmap at mount time
hfsplus: refactor b-tree map page access and add node-type validation
hfsplus: fix to update ctime after rename
hfsplus: fix generic/533 test-case failure
hfsplus: set ctime after setxattr and removexattr
hfsplus: fix uninit-value by validating catalog record size
hfsplus: fix potential Allocation File corruption after fsync
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