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Filipe Manana fc3a19543e btrfs: use u64 for buffer sizes in the tree search ioctls 
[ Upstream commit dec96fc2dc ]

In the tree search v2 ioctl we use the type size_t, which is an unsigned
long, to track the buffer size in the local variable 'buf_size'. An
unsigned long is 32 bits wide on a 32 bits architecture. The buffer size
defined in struct btrfs_ioctl_search_args_v2 is a u64, so when we later
try to copy the local variable 'buf_size' to the argument struct, when
the search returns -EOVERFLOW, we copy only 32 bits which will be a
problem on big endian systems.

Fix this by using a u64 type for the buffer sizes, not only at
btrfs_ioctl_tree_search_v2(), but also everywhere down the call chain
so that we can use the u64 at btrfs_ioctl_tree_search_v2().

Fixes: cc68a8a5a4 ("btrfs: new ioctl TREE_SEARCH_V2")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/linux-btrfs/ce6f4bd6-9453-4ffe-ba00-cee35495e10f@moroto.mountain/
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2023-11-20 11:52:18 +01:00
..
tests btrfs: convert btrfs_block_group::needs_free_space to runtime flag 2023-08-23 17:52:28 +02:00
Kconfig
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Makefile btrfs: move extent state init and alloc functions to their own file 2022-09-26 12:28:03 +02:00
acl.c
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async-thread.c btrfs: simplify WQ_HIGHPRI handling in struct btrfs_workqueue 2022-05-16 17:03:15 +02:00
async-thread.h btrfs: remove unused typedefs get_extent_t and btrfs_work_func_t 2022-07-25 17:45:36 +02:00
backref.c btrfs: fix resolving backrefs for inline extent followed by prealloc 2023-01-07 11:11:38 +01:00
backref.h btrfs: ignore fiemap path cache if we have multiple leaves for a data extent 2022-10-11 14:48:07 +02:00
block-group.c btrfs: fix use-after-free of new block group that became unused 2023-08-23 17:52:29 +02:00
block-group.h btrfs: fix use-after-free of new block group that became unused 2023-08-23 17:52:29 +02:00
block-rsv.c btrfs: account block group tree when calculating global reserve size 2023-08-03 10:24:13 +02:00
block-rsv.h btrfs: add KCSAN annotations for unlocked access to block_rsv->full 2022-09-26 12:28:02 +02:00
btrfs_inode.h btrfs: use a runtime flag to indicate an inode is a free space inode 2022-09-26 12:28:07 +02:00
check-integrity.c fs/btrfs: Use the enum req_op and blk_opf_t types 2022-07-14 12:14:32 -06:00
check-integrity.h btrfs: check-integrity: split submit_bio from btrfsic checking 2022-05-16 17:03:12 +02:00
compression.c fs: fix leaked psi pressure state 2022-11-08 15:57:25 -08:00
compression.h for-5.20-tag 2022-08-03 14:54:52 -07:00
ctree.c btrfs: error out when reallocating block for defrag using a stale transaction 2023-10-25 12:03:11 +02:00
ctree.h btrfs: use struct fscrypt_str instead of struct qstr 2023-10-10 22:00:36 +02:00
delalloc-space.c btrfs: add the ability to use NO_FLUSH for data reservations 2022-09-29 17:08:28 +02:00
delalloc-space.h btrfs: add the ability to use NO_FLUSH for data reservations 2022-09-29 17:08:28 +02:00
delayed-inode.c btrfs: assert delayed node locked when removing delayed item 2023-10-06 14:56:52 +02:00
delayed-inode.h btrfs: use delayed items when logging a directory 2022-09-26 12:27:57 +02:00
delayed-ref.c btrfs: prevent transaction block reserve underflow when starting transaction 2023-10-25 12:03:09 +02:00
delayed-ref.h btrfs: prevent transaction block reserve underflow when starting transaction 2023-10-25 12:03:09 +02:00
dev-replace.c btrfs: don't take a bio_counter reference for cloned bios 2022-09-26 12:27:58 +02:00
dev-replace.h btrfs: add struct declarations in dev-replace.h 2022-09-26 12:28:07 +02:00
dir-item.c btrfs: use struct fscrypt_str instead of struct qstr 2023-10-10 22:00:36 +02:00
discard.c btrfs: hold block group refcount during async discard 2023-03-10 09:34:06 +01:00
discard.h
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disk-io.c btrfs: fix a compilation error if DEBUG is defined in btree_dirty_folio 2023-09-23 11:11:10 +02:00
disk-io.h btrfs: fix compat_ro checks against remount 2023-01-12 12:01:56 +01:00
export.c btrfs: fix type of parameter generation in btrfs_get_dentry 2022-10-24 15:28:58 +02:00
export.h btrfs: fix type of parameter generation in btrfs_get_dentry 2022-10-24 15:28:58 +02:00
extent-io-tree.c btrfs: fix off-by-one in delalloc search during lseek 2023-01-12 12:01:56 +01:00
extent-io-tree.h btrfs: stop tracking failed reads in the I/O tree 2022-09-26 12:28:05 +02:00
extent-tree.c btrfs: return -EUCLEAN for delayed tree ref with a ref count not equals to 1 2023-10-25 12:03:09 +02:00
extent_io.c btrfs: reset destination buffer when read_extent_buffer() gets invalid range 2023-10-06 14:56:45 +02:00
extent_io.h btrfs: move extent io tree unrelated prototypes to their appropriate header 2022-09-26 12:28:04 +02:00
extent_map.c btrfs: fix incorrect splitting in btrfs_drop_extent_map_range 2023-08-23 17:52:31 +02:00
extent_map.h btrfs: get the next extent map during fiemap/lseek more efficiently 2023-04-26 14:28:38 +02:00
file-item.c btrfs: handle memory allocation failure in btrfs_csum_one_bio 2023-06-21 16:00:52 +02:00
file.c btrfs: file_remove_privs needs an exclusive lock in direct io write 2023-10-10 22:00:46 +02:00
free-space-cache.c btrfs: fix space cache inconsistency after error loading it from disk 2023-05-17 11:53:42 +02:00
free-space-cache.h btrfs: remove use btrfs_remove_free_space_cache instead of variant 2022-09-26 12:27:58 +02:00
free-space-tree.c btrfs: convert btrfs_block_group::needs_free_space to runtime flag 2023-08-23 17:52:28 +02:00
free-space-tree.h btrfs: make clear_cache mount option to rebuild FST without disabling it 2023-05-17 11:53:42 +02:00
inode-item.c btrfs: use struct fscrypt_str instead of struct qstr 2023-10-10 22:00:36 +02:00
inode-item.h btrfs: use struct fscrypt_str instead of struct qstr 2023-10-10 22:00:36 +02:00
inode.c btrfs: fix an error handling path in btrfs_rename() 2023-10-10 22:00:46 +02:00
ioctl.c btrfs: use u64 for buffer sizes in the tree search ioctls 2023-11-20 11:52:18 +01:00
locking.c btrfs: add block-group tree to lockdep classes 2023-07-19 16:22:13 +02:00
locking.h btrfs: implement a nowait option for tree searches 2022-09-26 12:46:42 +02:00
lzo.c btrfs: replace kmap() with kmap_local_page() in lzo.c 2022-07-25 17:45:33 +02:00
misc.h btrfs: convert the io_failure_tree to a plain rb_tree 2022-09-26 12:28:02 +02:00
ordered-data.c btrfs: check for BTRFS_FS_ERROR in pending ordered assert 2023-09-23 11:11:11 +02:00
ordered-data.h btrfs: add btrfs_try_lock_ordered_range 2022-09-29 17:08:28 +02:00
orphan.c
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print-tree.c btrfs: print-tree: parent bytenr must be aligned to sector size 2023-05-17 11:53:42 +02:00
print-tree.h
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props.c btrfs: remove the unnecessary result variables 2022-09-26 12:28:00 +02:00
props.h
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qgroup.c btrfs: fix race between quota disable and relocation 2023-08-03 10:23:49 +02:00
qgroup.h btrfs: introduce BTRFS_QGROUP_RUNTIME_FLAG_NO_ACCOUNTING to skip qgroup accounting 2022-09-26 12:28:01 +02:00
raid56.c btrfs: raid56: avoid double freeing for rbio if full_stripe_write() failed 2022-10-24 15:26:56 +02:00
raid56.h btrfs: properly abstract the parity raid bio handling 2022-09-26 12:27:59 +02:00
rcu-string.h btrfs: replace strncpy() with strscpy() 2023-01-12 12:01:55 +01:00
ref-verify.c
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ref-verify.h
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reflink.c btrfs: replace delete argument with EXTENT_CLEAR_ALL_BITS 2022-09-26 12:28:05 +02:00
reflink.h
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relocation.c btrfs: set page extent mapped after read_folio in relocate_one_page 2023-09-19 12:28:06 +02:00
root-tree.c btrfs: use struct fscrypt_str instead of struct qstr 2023-10-10 22:00:36 +02:00
scrub.c btrfs: scrub: try harder to mark RAID56 block groups read-only 2023-06-21 16:00:52 +02:00
send.c btrfs: use struct fscrypt_str instead of struct qstr 2023-10-10 22:00:36 +02:00
send.h btrfs: send: allow protocol version 3 with CONFIG_BTRFS_DEBUG 2022-10-11 14:46:55 +02:00
space-info.c btrfs: zoned: re-enable metadata over-commit for zoned mode 2023-09-19 12:28:06 +02:00
space-info.h btrfs: move btrfs_init_async_reclaim_work prototype to space-info.h 2022-09-26 12:28:06 +02:00
struct-funcs.c btrfs: remove redundant check in up check_setget_bounds 2022-07-25 17:45:33 +02:00
subpage.c btrfs: convert process_page_range() to use filemap_get_folios_contig() 2022-09-11 20:26:03 -07:00
subpage.h
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super.c btrfs: use struct fscrypt_str instead of struct qstr 2023-10-10 22:00:36 +02:00
sysfs.c btrfs: sysfs: normalize the error handling branch in btrfs_init_sysfs() 2022-11-23 16:52:22 +01:00
sysfs.h
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transaction.c btrfs: prevent transaction block reserve underflow when starting transaction 2023-10-25 12:03:09 +02:00
transaction.h
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tree-checker.c btrfs: reject invalid reloc tree root keys with stack dump 2023-08-16 18:27:30 +02:00
tree-checker.h
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tree-defrag.c btrfs: move the auto defrag code to defrag.c 2023-02-22 12:59:40 +01:00
tree-log.c btrfs: initialize start_slot in btrfs_log_prealloc_extents 2023-10-25 12:03:09 +02:00
tree-log.h btrfs: use struct fscrypt_str instead of struct qstr 2023-10-10 22:00:36 +02:00
tree-mod-log.c
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tree-mod-log.h
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ulist.c
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ulist.h
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uuid-tree.c
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verity.c btrfs: send: add support for fs-verity 2022-09-26 12:27:55 +02:00
volumes.c btrfs: fix stripe length calculation for non-zoned data chunk allocation 2023-10-25 12:03:04 +02:00
volumes.h btrfs: add a helper to read the superblock metadata_uuid 2023-09-23 11:11:08 +02:00
xattr.c btrfs: check if root is readonly while setting security xattr 2022-08-22 18:06:30 +02:00
xattr.h
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zlib.c btrfs: zlib: zero-initialize zlib workspace 2023-02-14 19:11:40 +01:00
zoned.c btrfs: zoned: do not zone finish data relocation block group 2023-09-19 12:28:05 +02:00
zoned.h btrfs: zoned: clone zoned device info when cloning a device 2022-11-07 14:35:21 +01:00
zstd.c btrfs: zstd: replace kmap() with kmap_local_page() 2022-07-25 17:45:40 +02:00