In the Linux kernel, the following vulnerability has been resolved:
btrfs: abort transaction on failure to update inode for hole punching and reflinking
If we fail to update the inode we error out without aborting the transaction, which can result in a persistent inconsistency if after the failure the transaction is committed, as we have dropped file extent items from a range and either punched a hole or insert a new file extent item for that range (for reflinks).
So add the missing transaction abort.
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