| commit | bcd8e91f98c156f4b1ebcfacae675f9cfd962441 | [log] [tgz] |
|---|---|---|
| author | Theodore Ts'o <tytso@mit.edu> | Sat Sep 01 12:45:04 2018 -0400 |
| committer | Theodore Ts'o <tytso@mit.edu> | Sat Sep 01 12:45:04 2018 -0400 |
| tree | d6a8e8a1d4596f0c559efa1dc4d404d1260dc6a1 | |
| parent | 4d982e25d0bdc83d8c64e66fdeca0b89240b3b85 [diff] |
ext4: avoid arithemetic overflow that can trigger a BUG A maliciously crafted file system can cause an overflow when the results of a 64-bit calculation is stored into a 32-bit length parameter. https://bugzilla.kernel.org/show_bug.cgi?id=200623 Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reported-by: Wen Xu <wen.xu@gatech.edu> Cc: stable@vger.kernel.org