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udf: Restore i_lenAlloc when inode expansion fails
commitea8569194b
upstream. When we fail to expand inode from inline format to a normal format, we restore inode to contain the original inline formatting but we forgot to set i_lenAlloc back. The mismatch between i_lenAlloc and i_size was then causing further problems such as warnings and lost data down the line. Reported-by: butt3rflyh4ck <butterflyhuangxx@gmail.com> CC: stable@vger.kernel.org Fixes:7e49b6f248
("udf: Convert UDF to new truncate calling sequence") Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -318,6 +318,7 @@ int udf_expand_file_adinicb(struct inode *inode)
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unlock_page(page);
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iinfo->i_alloc_type = ICBTAG_FLAG_AD_IN_ICB;
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inode->i_data.a_ops = &udf_adinicb_aops;
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iinfo->i_lenAlloc = inode->i_size;
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up_write(&iinfo->i_data_sem);
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}
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put_page(page);
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