From c71044be4d589d8207ed9d60e418d36003948c1b Mon Sep 17 00:00:00 2001 From: Stanislav Brabec Date: Wed, 20 Jan 2010 20:51:27 +0000 Subject: xf86-input-tslib: Fix double free crash while on chvt or exit. * For more see recipes/xorg-driver/xf86-input-tslib/double-free-crash.patch --- .../xf86-input-tslib/double-free-crash.patch | 20 ++++++++++++++++++++ recipes/xorg-driver/xf86-input-tslib_0.0.6.bb | 3 ++- 2 files changed, 22 insertions(+), 1 deletion(-) create mode 100644 recipes/xorg-driver/xf86-input-tslib/double-free-crash.patch (limited to 'recipes/xorg-driver') diff --git a/recipes/xorg-driver/xf86-input-tslib/double-free-crash.patch b/recipes/xorg-driver/xf86-input-tslib/double-free-crash.patch new file mode 100644 index 0000000000..07754731dd --- /dev/null +++ b/recipes/xorg-driver/xf86-input-tslib/double-free-crash.patch @@ -0,0 +1,20 @@ +xorg-server-1.7.3/hw/xfree86/common/xf86Helper.c contains this code +causing a double free crash on chvt or exit: + + /* This should *really* be handled in drv->UnInit(dev) call instead, but + * if the driver forgets about it make sure we free it or at least crash + * with flying colors */ + if (pInp->private) + xfree(pInp->private); +Index: xf86-input-tslib-0.0.6/src/tslib.c +=================================================================== +--- xf86-input-tslib-0.0.6.orig/src/tslib.c ++++ xf86-input-tslib-0.0.6/src/tslib.c +@@ -435,6 +435,7 @@ xf86TslibUninit(InputDriverPtr drv, Inpu + xf86TslibControlProc(pInfo->dev, DEVICE_OFF); + ts_close(priv->ts); + xfree(pInfo->private); ++ pInfo->private = NULL; + xf86DeleteInput(pInfo, 0); + } + diff --git a/recipes/xorg-driver/xf86-input-tslib_0.0.6.bb b/recipes/xorg-driver/xf86-input-tslib_0.0.6.bb index 84d2da0ffd..cce5e9bdd1 100644 --- a/recipes/xorg-driver/xf86-input-tslib_0.0.6.bb +++ b/recipes/xorg-driver/xf86-input-tslib_0.0.6.bb @@ -4,9 +4,10 @@ DESCRIPTION = "X.Org X server -- tslib input driver" RRECOMMENDS += "hal tslib-calibrate" DEPENDS += "tslib" -PR = "r8" +PR = "r9" SRC_URI = "http://www.pengutronix.de/software/xf86-input-tslib/download/xf86-input-tslib-${PV}.tar.bz2 \ + file://double-free-crash.patch;patch=1 \ file://10-x11-input-tslib.fdi" do_configure_prepend() { -- cgit v1.2.3