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fs/ntfs3: Mark volume as dirty if xattr is broken

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[ Upstream commit 24f6f5020b0b2c89c2cba5ec224547be95f753ee ]

Mark a volume as corrupted if the name length exceeds the space
occupied by ea.

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Konstantin Komarov 2024-04-22 17:18:51 +03:00 committed by Greg Kroah-Hartman
parent 3d32327f5c
commit 850ef5d239
1 changed files with 4 additions and 1 deletions
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5
fs/ntfs3/xattr.c
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@ -217,8 +217,11 @@ static ssize_t ntfs_list_ea(struct ntfs_inode *ni, char *buffer,
if (!ea->name_len)
break;
if (ea->name_len > ea_size)
if (ea->name_len > ea_size) {
ntfs_set_state(ni->mi.sbi, NTFS_DIRTY_ERROR);
err = -EINVAL; /* corrupted fs */
break;
}
if (buffer) {
/* Check if we can use field ea->name */