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fs/ntfs3: handle attr_set_size() errors when truncating files

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[ Upstream commit 576248a34b ]

If attr_set_size() fails while truncating down, the error is silently
ignored and the inode may be left in an inconsistent state.

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Stable-dep-of: d7ea8495fd ("fs/ntfs3: fix missing run load for vcn0 in attr_data_get_block_locked()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Konstantin Komarov
2026-07-24 16:02:46 +02:00
committed by Greg Kroah-Hartman
parent caa36a91c9
commit 92300ac7ff
1 changed files with 4 additions and 6 deletions
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fs/ntfs3/file.c
+4 -6
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@@ -371,8 +371,8 @@ static int ntfs_truncate(struct inode *inode, loff_t new_size)
{
struct super_block *sb = inode->i_sb;
struct ntfs_inode *ni = ntfs_i(inode);
int err, dirty = 0;
u64 new_valid;
int err;
if (!S_ISREG(inode->i_mode))
return 0;
@@ -388,7 +388,6 @@ static int ntfs_truncate(struct inode *inode, loff_t new_size)
}
new_valid = ntfs_up_block(sb, min_t(u64, ni->i_valid, new_size));
truncate_setsize(inode, new_size);
ni_lock(ni);
@@ -402,20 +401,19 @@ static int ntfs_truncate(struct inode *inode, loff_t new_size)
ni->i_valid = new_valid;
ni_unlock(ni);
if (unlikely(err))
return err;
ni->std_fa |= FILE_ATTRIBUTE_ARCHIVE;
inode->i_mtime = inode_set_ctime_current(inode);
if (!IS_DIRSYNC(inode)) {
dirty = 1;
mark_inode_dirty(inode);
} else {
err = ntfs_sync_inode(inode);
if (err)
return err;
}
if (dirty)
mark_inode_dirty(inode);
/*ntfs_flush_inodes(inode->i_sb, inode, NULL);*/
return 0;