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53a4acbfc1
linux-yocto/fs/btrfs
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Miquel Sabaté Solà 53a4acbfc1 btrfs: fix memory leak on duplicated memory in the qgroup assign ioctl 
On 'btrfs_ioctl_qgroup_assign' we first duplicate the argument as
provided by the user, which is kfree'd in the end. But this was not the
case when allocating memory for 'prealloc'. In this case, if it somehow
failed, then the previous code would go directly into calling
'mnt_drop_write_file', without freeing the string duplicated from the
user space.

Fixes: 4addc1ffd6 ("btrfs: qgroup: preallocate memory before adding a relation")
CC: stable@vger.kernel.org # 6.12+
Reviewed-by: Boris Burkov <boris@bur.io>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2025-10-13 22:29:27 +02:00
..
tests btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
accessors.c btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
accessors.h btrfs: accessors: delete token versions of set/get helpers 2025-07-22 00:05:00 +02:00
acl.c
acl.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
async-thread.c btrfs: use list_first_entry() everywhere 2025-05-15 14:30:47 +02:00
async-thread.h
backref.c btrfs: add unlikely annotations to branches leading to EIO 2025-09-23 08:49:26 +02:00
backref.h btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
bio.c btrfs: add unlikely annotations to branches leading to EIO 2025-09-23 08:49:26 +02:00
bio.h btrfs: try to search for data csums in commit root 2025-09-22 10:54:31 +02:00
block-group.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
block-group.h btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
block-rsv.c btrfs: add block reserve for treelog 2025-05-15 14:30:53 +02:00
block-rsv.h btrfs: add block reserve for treelog 2025-05-15 14:30:53 +02:00
btrfs_inode.h btrfs: cache max and min order inside btrfs_fs_info 2025-09-23 08:49:17 +02:00
compression.c btrfs: prepare compression folio alloc/free for bs > ps cases 2025-09-23 08:49:24 +02:00
compression.h btrfs: prepare compression folio alloc/free for bs > ps cases 2025-09-23 08:49:24 +02:00
ctree.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
ctree.h btrfs: split btrfs_is_fstree() into multiple if statements for readability 2025-07-21 23:58:04 +02:00
defrag.c btrfs: add unlikely annotations to branches leading to EIO 2025-09-23 08:49:26 +02:00
defrag.h btrfs: pass struct btrfs_inode to btrfs_defrag_file() 2025-03-18 20:35:43 +01:00
delalloc-space.c btrfs: add block reserve for treelog 2025-05-15 14:30:53 +02:00
delalloc-space.h btrfs: pass struct btrfs_inode to btrfs_free_reserved_data_space_noquota() 2025-05-15 14:30:52 +02:00
delayed-inode.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
delayed-inode.h btrfs: add mount option for ref_tracker 2025-09-22 10:54:32 +02:00
delayed-ref.c btrfs: annotate btrfs_is_testing() as unlikely and make it return bool 2025-09-23 08:49:24 +02:00
delayed-ref.h btrfs: move ref-verify under CONFIG_BTRFS_DEBUG 2025-09-22 10:54:32 +02:00
dev-replace.c btrfs: add unlikely annotations to branches leading to EIO 2025-09-23 08:49:26 +02:00
dev-replace.h btrfs: trivial conversion to return bool instead of int 2025-05-15 14:30:49 +02:00
dir-item.c btrfs: rename inode number parameter passed to btrfs_check_dir_item_collision() 2025-07-22 00:05:00 +02:00
dir-item.h btrfs: rename inode number parameter passed to btrfs_check_dir_item_collision() 2025-07-22 00:05:00 +02:00
direct-io.c btrfs: enable experimental bs > ps support 2025-09-23 08:49:25 +02:00
direct-io.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
discard.c btrfs: use verbose assert at peek_discard_list() 2025-05-15 14:30:55 +02:00
discard.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
disk-io.c btrfs: fix PAGE_SIZE format specifier in open_ctree() 2025-10-01 16:27:28 +02:00
disk-io.h btrfs: convert several int parameters to bool 2025-09-22 10:54:32 +02:00
export.c btrfs: avoid potential out-of-bounds in btrfs_encode_fh() 2025-09-26 08:48:30 +02:00
export.h
extent_io.c btrfs: add unlikely annotations to branches leading to EIO 2025-09-23 08:49:26 +02:00
extent_io.h btrfs: prepare compression folio alloc/free for bs > ps cases 2025-09-23 08:49:24 +02:00
extent_map.c btrfs: add unlikely annotations to branches leading to EIO 2025-09-23 08:49:26 +02:00
extent_map.h btrfs: rename remaining exported extent map functions 2025-05-15 14:30:45 +02:00
extent-io-tree.c btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
extent-io-tree.h btrfs: convert several int parameters to bool 2025-09-22 10:54:32 +02:00
extent-tree.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
extent-tree.h btrfs: convert several int parameters to bool 2025-09-22 10:54:32 +02:00
fiemap.c btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
fiemap.h
file-item.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
file-item.h btrfs: change return type of btrfs_alloc_dummy_sum() to int 2025-05-15 14:30:49 +02:00
file.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
file.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
free-space-cache.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
free-space-cache.h btrfs: add cancellation points to trim loops 2024-10-07 23:21:56 +02:00
free-space-tree.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
free-space-tree.h btrfs: add btrfs prefix to free space tree exported functions 2025-07-21 23:58:02 +02:00
fs.c btrfs: enable experimental bs > ps support 2025-09-23 08:49:25 +02:00
fs.h btrfs: prepare compression folio alloc/free for bs > ps cases 2025-09-23 08:49:24 +02:00
inode-item.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
inode-item.h btrfs: remove unused parameters from btrfs_lookup_inode_extref() 2025-07-21 23:58:03 +02:00
inode.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
ioctl.c btrfs: fix memory leak on duplicated memory in the qgroup assign ioctl 2025-10-13 22:29:27 +02:00
ioctl.h tree-wide: s/struct fileattr/struct file_kattr/g 2025-07-04 16:14:39 +02:00
Kconfig btrfs: implement ref_tracker for delayed_nodes 2025-09-22 10:54:32 +02:00
locking.c btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
locking.h btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
lru_cache.c
lru_cache.h
lzo.c btrfs: add unlikely annotations to branches leading to EUCLEAN 2025-09-23 08:49:26 +02:00
Makefile btrfs: move ref-verify under CONFIG_BTRFS_DEBUG 2025-09-22 10:54:32 +02:00
messages.c btrfs: dump detailed info and specific messages on log replay failures 2025-09-23 08:49:21 +02:00
messages.h btrfs: remove duplicate inclusion of linux/types.h 2025-09-22 10:54:31 +02:00
misc.h btrfs: introduce btrfs_bio_for_each_block_all() helper 2025-09-23 08:49:17 +02:00
ordered-data.c btrfs: use folio_end() where appropriate 2025-07-21 23:58:01 +02:00
ordered-data.h btrfs: introduce a read path dedicated extent lock helper 2025-03-18 20:35:48 +01:00
orphan.c btrfs: BTRFS_PATH_AUTO_FREE in orphan.c 2024-09-10 16:51:22 +02:00
orphan.h
print-tree.c btrfs: print-tree: print key types as human readable strings 2025-09-23 08:49:23 +02:00
print-tree.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
props.c btrfs: props: switch prop_handler::extract to struct btrfs_inode 2025-03-18 20:35:44 +01:00
props.h btrfs: pass struct btrfs_inode to btrfs_inode_inherit_props() 2025-03-18 20:35:44 +01:00
qgroup.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
qgroup.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
raid-stripe-tree.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
raid-stripe-tree.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
raid56.c btrfs: add unlikely annotations to branches leading to EIO 2025-09-23 08:49:26 +02:00
raid56.h btrfs: prepare scrub to support bs > ps cases 2025-09-23 08:49:25 +02:00
ref-verify.c btrfs: more trivial BTRFS_PATH_AUTO_FREE conversions 2025-09-23 08:49:26 +02:00
ref-verify.h btrfs: move ref-verify under CONFIG_BTRFS_DEBUG 2025-09-22 10:54:32 +02:00
reflink.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
reflink.h
relocation.c btrfs: fix clearing of BTRFS_FS_RELOC_RUNNING if relocation already running 2025-10-13 22:29:03 +02:00
relocation.h btrfs: don't print relocation messages from auto reclaim 2025-07-22 00:09:22 +02:00
root-tree.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
root-tree.h
scrub.c btrfs: add unlikely annotations to branches leading to EIO 2025-09-23 08:49:26 +02:00
scrub.h btrfs: convert several int parameters to bool 2025-09-22 10:54:32 +02:00
send.c btrfs: add unlikely annotations to branches leading to EIO 2025-09-23 08:49:26 +02:00
send.h btrfs: pass btrfs_root pointers to send ioctl parameters 2025-03-18 20:35:49 +01:00
space-info.c btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
space-info.h btrfs: change dump_block_groups() in btrfs_dump_space_info() from int to bool 2025-07-21 23:58:05 +02:00
subpage.c btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
subpage.h btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
super.c btrfs: add unlikely annotations to branches leading to EUCLEAN 2025-09-23 08:49:26 +02:00
super.h
sysfs.c btrfs: simplify support block size check 2025-09-22 10:54:31 +02:00
sysfs.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
transaction.c btrfs: use smp_mb__after_atomic() when forcing COW in create_pending_snapshot() 2025-09-23 09:02:17 +02:00
transaction.h btrfs: move abort_should_print_stack() to transaction.h 2025-01-13 14:53:17 +01:00
tree-checker.c btrfs: tree-checker: add inode extref checks 2025-09-23 08:49:21 +02:00
tree-checker.h btrfs: validate system chunk array at btrfs_validate_super() 2025-01-13 14:53:18 +01:00
tree-log.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
tree-log.h
tree-mod-log.c btrfs: reduce size of struct tree_mod_elem 2025-07-22 00:09:20 +02:00
tree-mod-log.h btrfs: drop unused parameter path from btrfs_tree_mod_log_rewind() 2024-11-11 14:34:15 +01:00
ulist.c btrfs: use rb_find_add() in ulist_rbtree_insert() 2025-07-21 23:53:25 +02:00
ulist.h
uuid-tree.c btrfs: uuid-tree: remove unnecessary call to btrfs_mark_buffer_dirty() 2025-01-13 14:53:20 +01:00
uuid-tree.h
verity.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
verity.h
volumes.c btrfs: add unlikely annotations to branches leading to transaction abort 2025-09-23 08:49:26 +02:00
volumes.h btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
xattr.c btrfs: replace strcpy() with strscpy() 2025-07-22 00:05:00 +02:00
xattr.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
zlib.c btrfs: add unlikely annotations to branches leading to EIO 2025-09-23 08:49:26 +02:00
zoned.c btrfs: add unlikely annotations to branches leading to EIO 2025-09-23 08:49:26 +02:00
zoned.h btrfs: zoned: return error from btrfs_zone_finish_endio() 2025-09-22 10:54:30 +02:00
zstd.c btrfs: add unlikely annotations to branches leading to EIO 2025-09-23 08:49:26 +02:00