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fs/ntfs3: Check new size for limits

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We must check size before trying to allocate.
Size can be set for example by "ulimit -f".
Fixes xfstest generic/228
Fixes: 4342306f0f ("fs/ntfs3: Add file operations and implementation")

Reviewed-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
This commit is contained in:
Konstantin Komarov 2021-10-25 18:34:06 +03:00
parent 3880f2b816
commit 114346978c
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GPG key ID: A9B0331F832407B6
1 changed files with 7 additions and 1 deletions
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8
fs/ntfs3/file.c
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@ -661,7 +661,13 @@ static long ntfs_fallocate(struct file *file, int mode, loff_t vbo, loff_t len)
/* /*
* Normal file: Allocate clusters, do not change 'valid' size. * Normal file: Allocate clusters, do not change 'valid' size.
*/ */
err = ntfs_set_size(inode, max(end, i_size)); loff_t new_size = max(end, i_size);
err = inode_newsize_ok(inode, new_size);
if (err)
goto out;
err = ntfs_set_size(inode, new_size);
if (err) if (err)
goto out; goto out;