Krishna chaitanya chundru 94991728c8 bus: mhi: host: Add alignment check for event ring read pointer ... [ Upstream commit eff9704f53 ] Though we do check the event ring read pointer by "is_valid_ring_ptr" to make sure it is in the buffer range, but there is another risk the pointer may be not aligned. Since we are expecting event ring elements are 128 bits(struct mhi_ring_element) aligned, an unaligned read pointer could lead to multiple issues like DoS or ring buffer memory corruption. So add a alignment check for event ring read pointer. Fixes: ec32332df7 ("bus: mhi: core: Sanity check values from remote device before use") cc: stable@vger.kernel.org Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20231031-alignment_check-v2-1-1441db7c5efd@quicinc.com Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		2024-02-23 08:54:33 +01:00
..
host	bus: mhi: host: Add alignment check for event ring read pointer	2024-02-23 08:54:33 +01:00
Kconfig	bus: mhi: Move host MHI code to "host" directory	2023-05-17 11:50:14 +02:00
Makefile	bus: mhi: Move host MHI code to "host" directory	2023-05-17 11:50:14 +02:00