From: Kangjie Lu <[email protected]> [ Upstream commit 57a25a5f754ce27da2cfa6f413cfd366f878db76 ]
`best_clock` is an object that may be sent out. Object `clock` contains uninitialized bytes that are copied to `best_clock`, which leads to memory disclosure and information leak. Signed-off-by: Kangjie Lu <[email protected]> Signed-off-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Signed-off-by: Sasha Levin <[email protected]> --- drivers/gpu/drm/gma500/cdv_intel_display.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/gma500/cdv_intel_display.c b/drivers/gpu/drm/gma500/cdv_intel_display.c index 7d47b3d5cc0d0..54d554d720004 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_display.c +++ b/drivers/gpu/drm/gma500/cdv_intel_display.c @@ -415,6 +415,8 @@ static bool cdv_intel_find_dp_pll(const struct gma_limit_t *limit, struct gma_crtc *gma_crtc = to_gma_crtc(crtc); struct gma_clock_t clock; + memset(&clock, 0, sizeof(clock)); + switch (refclk) { case 27000: if (target < 200000) { -- 2.25.1 _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
