| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.4 143/168] firmware: imx: Align imx_sc_msg_req_cpu_start to 4 | Date | Tue, 10 Mar 2020 13:39:49 +0100 |
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From: Leonard Crestez <leonard.crestez@nxp.com>
commit f5bfeff44612d304deb100065a9f712309dc2783 upstream.
The imx SC api strongly assumes that messages are composed out of 4-bytes words but some of our message structs have odd sizeofs.
This produces many oopses with CONFIG_KASAN=y.
Fix by marking with __aligned(4).
Fixes: d90bf296ae18 ("firmware: imx: Add support to start/stop a CPU") Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/firmware/imx/misc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/firmware/imx/misc.c +++ b/drivers/firmware/imx/misc.c @@ -24,7 +24,7 @@ struct imx_sc_msg_req_cpu_start { u32 address_lo; u16 resource; u8 enable; -} __packed; +} __packed __aligned(4); struct imx_sc_msg_req_misc_get_ctrl { struct imx_sc_rpc_msg hdr;
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