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| author | Lucas Stach <l.stach@pengutronix.de> | 2019-11-05 02:58:34 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-11-05 03:11:47 +0300 |
| commit | 003f01c780020daa9a06dea1db495b553a868c29 (patch) | |
| tree | 5db7d1c66ba5023d5b05c7985857bd07fe511023 | |
| parent | b1a402e75a5f5127ff1ffff0615249f98df8b7b3 (diff) | |
| download | linux-003f01c780020daa9a06dea1db495b553a868c29.tar.xz | |
Input: synaptics-rmi4 - fix video buffer size
The video buffer used by the queue is a vb2_v4l2_buffer, not a plain
vb2_buffer. Using the wrong type causes the allocation of the buffer
storage to be too small, causing a out of bounds write when
__init_vb2_v4l2_buffer initializes the buffer.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Fixes: 3a762dbd5347 ("[media] Input: synaptics-rmi4 - add support for F54 diagnostics")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20191104114454.10500-1-l.stach@pengutronix.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| -rw-r--r-- | drivers/input/rmi4/rmi_f54.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/input/rmi4/rmi_f54.c b/drivers/input/rmi4/rmi_f54.c index 710b02595486..4841354af0d7 100644 --- a/drivers/input/rmi4/rmi_f54.c +++ b/drivers/input/rmi4/rmi_f54.c @@ -359,7 +359,7 @@ static const struct vb2_ops rmi_f54_queue_ops = { static const struct vb2_queue rmi_f54_queue = { .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, .io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ, - .buf_struct_size = sizeof(struct vb2_buffer), + .buf_struct_size = sizeof(struct vb2_v4l2_buffer), .ops = &rmi_f54_queue_ops, .mem_ops = &vb2_vmalloc_memops, .timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC, |