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Goldwyn Rodrigues e657df3236 btrfs: allocate btrfs_ioctl_defrag_range_args on stack 
commit c853a5783ebe123847886d432354931874367292 upstream.

Instead of using kmalloc() to allocate btrfs_ioctl_defrag_range_args,
allocate btrfs_ioctl_defrag_range_args on stack, the size is reasonably
small and ioctls are called in process context.

sizeof(btrfs_ioctl_defrag_range_args) = 48

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
[ This patch is needed to fix a memory leak of "range" that was
introduced when commit 173431b274a9 ("btrfs: defrag: reject unknown
flags of btrfs_ioctl_defrag_range_args") was backported to kernels
lacking this patch. Now with these two patches applied in reverse order,
range->flags needed to change back to range.flags.
This bug was discovered and resolved using Coverity Static Analysis
Security Testing (SAST) by Synopsys, Inc.]
Signed-off-by: Maximilian Heyne <mheyne@amazon.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-11-19 09:22:40 +01:00
..
tests Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
acl.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
async-thread.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
async-thread.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
backref.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
backref.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
block-group.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
block-group.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
block-rsv.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
block-rsv.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
btrfs_inode.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
check-integrity.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
check-integrity.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
compression.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
compression.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ctree.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ctree.h btrfs: unify lookup return value when dir entry is missing 2024-11-18 22:25:36 +01:00
delalloc-space.c btrfs: don't arbitrarily slow down delalloc if we're committing 2024-11-18 11:43:24 +01:00
delalloc-space.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
delayed-inode.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
delayed-inode.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
delayed-ref.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
delayed-ref.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dev-replace.c btrfs: dev-replace: properly validate device names 2024-11-18 23:18:29 +01:00
dev-replace.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dir-item.c btrfs: unify lookup return value when dir entry is missing 2024-11-18 22:25:36 +01:00
discard.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
discard.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
disk-io.c btrfs: do not ASSERT() if the newly created subvolume already got read 2024-11-18 12:13:27 +01:00
disk-io.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
export.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
export.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
extent-io-tree.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
extent-tree.c btrfs: don't warn if discard range is not aligned to sector 2024-11-18 12:13:02 +01:00
extent_io.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
extent_io.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
extent_map.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
extent_map.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
file-item.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
file.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
free-space-cache.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
free-space-cache.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
free-space-tree.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
free-space-tree.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
inode-item.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
inode-map.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
inode-map.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
inode.c btrfs: do not pin logs too early during renames 2024-11-18 22:25:36 +01:00
ioctl.c btrfs: allocate btrfs_ioctl_defrag_range_args on stack 2024-11-19 09:22:40 +01:00
Kconfig Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
locking.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
locking.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
lzo.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Makefile Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
misc.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ordered-data.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ordered-data.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
orphan.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
print-tree.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
print-tree.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
props.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
props.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
qgroup.c btrfs: forbid deleting live subvol qgroup 2024-11-18 12:13:28 +01:00
qgroup.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
raid56.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
raid56.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
rcu-string.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
reada.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ref-verify.c btrfs: ref-verify: free ref cache before clearing mount opt 2024-11-18 12:13:01 +01:00
ref-verify.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
reflink.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
reflink.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
relocation.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
root-tree.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
scrub.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
send.c btrfs: send: return EOPNOTSUPP on unknown flags 2024-11-18 12:13:28 +01:00
send.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
space-info.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
space-info.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
struct-funcs.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
super.c Revert "btrfs: add dmesg output for first mount and last unmount of a filesystem" 2024-11-18 12:11:47 +01:00
sysfs.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sysfs.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
transaction.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
transaction.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tree-checker.c btrfs: tree-checker: check for overlapping extent items 2024-11-18 22:25:35 +01:00
tree-checker.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tree-defrag.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tree-log.c btrfs: unify lookup return value when dir entry is missing 2024-11-18 22:25:36 +01:00
tree-log.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ulist.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ulist.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
uuid-tree.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
volumes.c btrfs: fix off-by-one chunk length calculation at contains_pending_extent() 2024-11-19 09:22:18 +01:00
volumes.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
xattr.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
xattr.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
zlib.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
zstd.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00