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| author | Dan Carpenter <dan.carpenter@linaro.org> | 2025-02-16 23:52:10 +0300 |
|---|---|---|
| committer | Konstantin Komarov <almaz.alexandrovich@paragon-software.com> | 2025-03-06 19:53:26 +0300 |
| commit | 6bb81b94f7a9cba6bde9a905cef52a65317a8b04 (patch) | |
| tree | 14d93697555cf412eff87750bfcc73ddd4fcbbae /lib/test_fortify/write_overflow-strncpy.c | |
| parent | 5ad414f4df2294b28836b5b7b69787659d6aa708 (diff) | |
| download | linux-6bb81b94f7a9cba6bde9a905cef52a65317a8b04.tar.xz | |
fs/ntfs3: Prevent integer overflow in hdr_first_de()
The "de_off" and "used" variables come from the disk so they both need to
check. The problem is that on 32bit systems if they're both greater than
UINT_MAX - 16 then the check does work as intended because of an integer
overflow.
Fixes: 60ce8dfde035 ("fs/ntfs3: Fix wrong if in hdr_first_de")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Diffstat (limited to 'lib/test_fortify/write_overflow-strncpy.c')
0 files changed, 0 insertions, 0 deletions