Commit 468600c6 authored Oct 21, 2020 by Dinghao Liu Committed by David Sterba Nov 05, 2020

btrfs: ref-verify: fix memory leak in btrfs_ref_tree_mod



There is one error handling path that does not free ref, which may cause
a minor memory leak.

CC: stable@vger.kernel.org # 4.19+
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

parent cf89af14

fs/btrfs/ref-verify.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -860,6 +860,7 @@ int btrfs_ref_tree_mod(struct btrfs_fs_info *fs_info,
		"dropping a ref for a root that doesn't have a ref on the block");
		dump_block_entry(fs_info, be);
		dump_ref_action(fs_info, ra);
		kfree(ref);
		kfree(ra);
		goto out_unlock;
		}

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