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| author | Theodore Ts'o <tytso@mit.edu> | 2018-09-01 12:45:04 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2018-09-01 12:45:04 -0400 |
| commit | bcd8e91f98c156f4b1ebcfacae675f9cfd962441 (patch) | |
| tree | d6a8e8a1d4596f0c559efa1dc4d404d1260dc6a1 /block | |
| parent | 4d982e25d0bdc83d8c64e66fdeca0b89240b3b85 (diff) | |
| download | linux-stable-bcd8e91f98c156f4b1ebcfacae675f9cfd962441.tar.gz linux-stable-bcd8e91f98c156f4b1ebcfacae675f9cfd962441.tar.bz2 linux-stable-bcd8e91f98c156f4b1ebcfacae675f9cfd962441.zip | |
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
Diffstat (limited to 'block')
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