fs/ntfs3: Drop suid and sgid bits as a part of fpunch

[ Upstream commit e50f9560b8 ]

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 2023-11-24 12:17:46 +03:00 committed by Greg Kroah-Hartman
parent c28efa873a
commit 7e0aff0aab

View File

@ -498,10 +498,14 @@ static long ntfs_fallocate(struct file *file, int mode, loff_t vbo, loff_t len)
ni_lock(ni);
err = attr_punch_hole(ni, vbo, len, &frame_size);
ni_unlock(ni);
if (!err)
goto ok;
if (err != E_NTFS_NOTALIGNED)
goto out;
/* Process not aligned punch. */
err = 0;
mask = frame_size - 1;
vbo_a = (vbo + mask) & ~mask;
end_a = end & ~mask;
@ -524,6 +528,8 @@ static long ntfs_fallocate(struct file *file, int mode, loff_t vbo, loff_t len)
ni_lock(ni);
err = attr_punch_hole(ni, vbo_a, end_a - vbo_a, NULL);
ni_unlock(ni);
if (err)
goto out;
}
} else if (mode & FALLOC_FL_COLLAPSE_RANGE) {
/*
@ -563,6 +569,8 @@ static long ntfs_fallocate(struct file *file, int mode, loff_t vbo, loff_t len)
ni_lock(ni);
err = attr_insert_range(ni, vbo, len);
ni_unlock(ni);
if (err)
goto out;
} else {
/* Check new size. */
u8 cluster_bits = sbi->cluster_bits;
@ -639,6 +647,7 @@ static long ntfs_fallocate(struct file *file, int mode, loff_t vbo, loff_t len)
}
}
ok:
err = file_modified(file);
if (err)
goto out;