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Subject: media: ti-vpe: cal: fix write to unallocated memory Author: Tomi Valkeinen <[email protected]> Date: Wed Jan 13 10:00:27 2021 +0100 The asd allocated with v4l2_async_notifier_add_fwnode_subdev() must be of size cal_v4l2_async_subdev, otherwise access to cal_v4l2_async_subdev->phy will go to unallocated memory. Fixes: 8fcb7576ad19 ("media: ti-vpe: cal: Allow multiple contexts per subdev notifier") Signed-off-by: Tomi Valkeinen <[email protected]> Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/platform/ti-vpe/cal.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- diff --git a/drivers/media/platform/ti-vpe/cal.c b/drivers/media/platform/ti-vpe/cal.c index 293cbac905b3..5fb627811c6b 100644 --- a/drivers/media/platform/ti-vpe/cal.c +++ b/drivers/media/platform/ti-vpe/cal.c @@ -607,7 +607,7 @@ static irqreturn_t cal_irq(int irq_cal, void *data) */ struct cal_v4l2_async_subdev { - struct v4l2_async_subdev asd; + struct v4l2_async_subdev asd; /* Must be first */ struct cal_camerarx *phy; }; @@ -694,7 +694,7 @@ static int cal_async_notifier_register(struct cal_dev *cal) fwnode = of_fwnode_handle(phy->sensor_node); asd = v4l2_async_notifier_add_fwnode_subdev(&cal->notifier, fwnode, - sizeof(*asd)); + sizeof(*casd)); if (IS_ERR(asd)) { phy_err(phy, "Failed to add subdev to notifier\n"); ret = PTR_ERR(asd); _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
