Sometimes the grindstone does not work when the durability of the item is low

Put one item with low durability on the top, then put the other on the bottom and take it out. As a result, it can't be taken out, but it can be taken out when the two are exchanged.

 

Note: This question may be used to brush experience.

This problem was found in 1.8.10, but in "Affects Version/s" option was not found in.