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| author | Jerry Lee <jerrylee@qnap.com> | 2017-08-06 01:18:31 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2017-08-06 01:18:31 -0400 |
| commit | aec51758ce10a9c847a62a48a168f8c804c6e053 (patch) | |
| tree | a832c2ad23820173519a3cd79796636eafbe36e3 /fs/ext4/fsmap.h | |
| parent | c03b45b853f5829816d871283c792e7527a7ded1 (diff) | |
| download | op-kernel-dev-aec51758ce10a9c847a62a48a168f8c804c6e053.zip op-kernel-dev-aec51758ce10a9c847a62a48a168f8c804c6e053.tar.gz | |
ext4: fix overflow caused by missing cast in ext4_resize_fs()
On a 32-bit platform, the value of n_blcoks_count may be wrong during
the file system is resized to size larger than 2^32 blocks. This may
caused the superblock being corrupted with zero blocks count.
Fixes: 1c6bd7173d66
Signed-off-by: Jerry Lee <jerrylee@qnap.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org # 3.7+
Diffstat (limited to 'fs/ext4/fsmap.h')
0 files changed, 0 insertions, 0 deletions
