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| author | Jan Kara <jack@suse.cz> | 2022-01-18 09:57:25 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-02-08 18:23:03 +0100 |
| commit | 3740d41e7363374182a42f1621e06d5029c837d5 (patch) | |
| tree | 126bdd4c1c8eda05fc4e3336d13791c66291b89e | |
| parent | aff4a58b5a34f3df689195c7faf1c2a8fbc21017 (diff) | |
| download | linux-stable-3740d41e7363374182a42f1621e06d5029c837d5.tar.gz linux-stable-3740d41e7363374182a42f1621e06d5029c837d5.tar.bz2 linux-stable-3740d41e7363374182a42f1621e06d5029c837d5.zip | |
udf: Restore i_lenAlloc when inode expansion fails
commit ea8569194b43f0f01f0a84c689388542c7254a1f 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: 7e49b6f2480c ("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>
| -rw-r--r-- | fs/udf/inode.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/udf/inode.c b/fs/udf/inode.c index f5500d2a3879..999152d93b7b 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -311,6 +311,7 @@ int udf_expand_file_adinicb(struct inode *inode) unlock_page(page); iinfo->i_alloc_type = ICBTAG_FLAG_AD_IN_ICB; inode->i_data.a_ops = &udf_adinicb_aops; + iinfo->i_lenAlloc = inode->i_size; up_write(&iinfo->i_data_sem); } put_page(page); |