From: Dave Chinner <[email protected]>

Upstream commit: 76d095388b040229ea1aad7dea45be0cfa20f589

When we fail to find an matching extent near the requested extent
specification during a left-right distance search in
xfs_alloc_ag_vextent_near, we fail to free the original cursor that
we used to look up the XFS_BTNUM_CNT tree and hence leak it.

Reported-by: Chris J Arges <[email protected]>
Signed-off-by: Dave Chinner <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Ben Myers <[email protected]>
---
 fs/xfs/xfs_alloc.c |    1 +
 1 file changed, 1 insertion(+)

Index: b/fs/xfs/xfs_alloc.c
===================================================================
--- a/fs/xfs/xfs_alloc.c
+++ b/fs/xfs/xfs_alloc.c
@@ -1086,6 +1086,7 @@ restart:
                        goto restart;
                }
 
+               xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR);
                trace_xfs_alloc_size_neither(args);
                args->agbno = NULLAGBLOCK;
                return 0;


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