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| author |   Dan Carpenter <dan.carpenter@oracle.com> | 2021-02-17 12:21:10 -0800 |
|---|---|---|
| committer |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2021-02-19 11:02:16 -0800 |
| commit | 182d679b2298d62bf42bb14b12a8067b8e17b617 (patch) | |
| tree | 30f4dd514f60efc32de464610152f11b75e92354 /drivers/input/serio/Kconfig | |
| parent | Input: elo - fix an error code in elo_connect() (diff) | |
| download | linux-dev-182d679b2298d62bf42bb14b12a8067b8e17b617.tar.xz linux-dev-182d679b2298d62bf42bb14b12a8067b8e17b617.zip | |
Input: joydev - prevent potential read overflow in ioctl
The problem here is that "len" might be less than "joydev->nabs" so the
loops which verfy abspam[i] and keypam[] might read beyond the buffer.
Fixes: 999b874f4aa3 ("Input: joydev - validate axis/button maps before clobbering current ones")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YCyzR8WvFRw4HWw6@mwanda
[dtor: additional check for len being even in joydev_handle_JSIOCSBTNMAP]
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/serio/Kconfig')
0 files changed, 0 insertions, 0 deletions