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| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-01-14 13:54:55 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-01-14 15:34:24 -0800 |
| commit | d77651a227f8920dd7ec179b84e400cce844eeb3 (patch) | |
| tree | 64216b5699248263656b7d53b35174efef742876 /drivers/input/serio/olpc_apsp.c | |
| parent | Merge tag 'v4.20' into for-linus (diff) | |
| download | linux-dev-d77651a227f8920dd7ec179b84e400cce844eeb3.tar.xz linux-dev-d77651a227f8920dd7ec179b84e400cce844eeb3.zip | |
Input: uinput - fix undefined behavior in uinput_validate_absinfo()
An integer overflow may arise in uinput_validate_absinfo() if "max - min"
can't be represented by an "int". We should check for overflow before
trying to use the result.
Reported-by: Kyungtae Kim <kt0755@gmail.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/serio/olpc_apsp.c')
0 files changed, 0 insertions, 0 deletions