diff options
| -rw-r--r-- | src/Xrender.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/Xrender.c b/src/Xrender.c index 3102eb2..71cf3e6 100644 --- a/src/Xrender.c +++ b/src/Xrender.c @@ -533,12 +533,30 @@ XRenderQueryFormats (Display *dpy) screen->fallback = _XRenderFindFormat (xri, xScreen->fallback); screen->subpixel = SubPixelUnknown; xDepth = (xPictDepth *) (xScreen + 1); + if (screen->ndepths > rep.numDepths) { + Xfree (xri); + Xfree (xData); + _XEatDataWords (dpy, rep.length); + UnlockDisplay (dpy); + SyncHandle (); + return 0; + } + rep.numDepths -= screen->ndepths; for (nd = 0; nd < screen->ndepths; nd++) { depth->depth = xDepth->depth; depth->nvisuals = xDepth->nPictVisuals; depth->visuals = visual; xVisual = (xPictVisual *) (xDepth + 1); + if (depth->nvisuals > rep.numVisuals) { + Xfree (xri); + Xfree (xData); + _XEatDataWords (dpy, rep.length); + UnlockDisplay (dpy); + SyncHandle (); + return 0; + } + rep.numVisuals -= depth->nvisuals; for (nv = 0; nv < depth->nvisuals; nv++) { visual->visual = _XRenderFindVisual (dpy, xVisual->visual); |