drm/msm/dsi: fix memory corruption with too many bridges
stable inclusion from stable-v5.10.153 commit 21c4679af01f1027cb559330c2e7d410089b2b36 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I64YCA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=21c4679af01f1027cb559330c2e7d410089b2b36 -------------------------------- commit 2e786eb2 upstream. Add the missing sanity check on the bridge counter to avoid corrupting data beyond the fixed-sized bridge array in case there are ever more than eight bridges. Fixes: a689554b ("drm/msm: Initial add DSI connector support") Cc: stable@vger.kernel.org # 4.1 Signed-off-by: NJohan Hovold <johan+linaro@kernel.org> Tested-by: NKuogee Hsieh <quic_khsieh@quicinc.com> Reviewed-by: NKuogee Hsieh <quic_khsieh@quicinc.com> Reviewed-by: NDmitry Baryshkov <dmitry.baryshkov@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/502668/ Link: https://lore.kernel.org/r/20220913085320.8577-4-johan+linaro@kernel.orgSigned-off-by: NAbhinav Kumar <quic_abhinavk@quicinc.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: NLipeng Sang <sanglipeng1@jd.com>
Showing
想要评论请 注册 或 登录