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| author |  Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
| 2021-10-25 18:34:06 +0300 |
|---|---|---|
| committer | Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
| 2021-11-24 15:13:27 +0300 |
| commit | 114346978cf61de02832cc3cc68432a3de70fb38 (patch) | |
| tree | e42c3549de1a20930cf563c89712e4bab798cd9a /fs/ntfs3 | |
| parent | fs/ntfs3: Fix fiemap + fix shrink file size (to remove preallocated space) (diff) | |
| download | linux-114346978cf61de02832cc3cc68432a3de70fb38.tar.gz linux-114346978cf61de02832cc3cc68432a3de70fb38.tar.bz2 linux-114346978cf61de02832cc3cc68432a3de70fb38.zip | |
fs/ntfs3: Check new size for limits
We must check size before trying to allocate.
Size can be set for example by "ulimit -f".
Fixes xfstest generic/228
Fixes: 4342306f0f0d ("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>
Diffstat (limited to 'fs/ntfs3')
| -rw-r--r-- | fs/ntfs3/file.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/ntfs3/file.c b/fs/ntfs3/file.c index 6242708980d0..f8360f9bfaf0 100644 --- a/fs/ntfs3/file.c +++ b/fs/ntfs3/file.c @@ -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. */ - 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) goto out; |