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btrfs: tests: fix chunk map leak after failure to add it to the tree

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commit 009ca358486ded9b4822eddb924009b6848d7271 upstream.

If we fail to add the chunk map to the fs mapping tree we exit
test_rmap_block() without freeing the chunk map. Fix this by adding a
call to btrfs_free_chunk_map() before exiting the test function if the
call to btrfs_add_chunk_map() failed.

Fixes: 7dc66abb5a ("btrfs: use a dedicated data structure for chunk maps")
CC: stable@vger.kernel.org # 6.12+
Reviewed-by: Boris Burkov <boris@bur.io>
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Filipe Manana
2025-03-11 15:50:50 +00:00
committed by Greg Kroah-Hartman
parent 601db4e8bf
commit b9af27d020
1 changed files with 1 additions and 0 deletions
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fs/btrfs/tests/extent-map-tests.c
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@@ -1045,6 +1045,7 @@ static int test_rmap_block(struct btrfs_fs_info *fs_info,
ret = btrfs_add_chunk_map(fs_info, map);
if (ret) {
test_err("error adding chunk map to mapping tree");
btrfs_free_chunk_map(map);
goto out_free;
}