xf86-input-libinput 0.22.0
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@ -19,3 +19,4 @@
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/xf86-input-libinput-0.19.1.tar.bz2
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/xf86-input-libinput-20160929.tar.xz
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/xf86-input-libinput-0.20.0.tar.bz2
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/xf86-input-libinput-0.22.0.tar.bz2
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@ -1,86 +0,0 @@
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From 38c5bc5e4974157131cda7647dde7b0f6ca6843e Mon Sep 17 00:00:00 2001
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From: Hans de Goede <hdegoede@redhat.com>
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Date: Wed, 5 Oct 2016 15:21:57 +0200
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Subject: [PATCH xf86-input-libinput] Fix crash when using threaded input and
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the first device goes away
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When the xserver uses threaded input, it keeps a pointer to the InputInfo
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passed into xf86AddEnabledDevice and calls pointer->read_input on events.
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But when the first enabled device goes away the pInfo we've passed into
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xf86AddEnabledDevice gets freed and eventually pInfo->read_input gets
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overwritten (or pInfo points to unmapped memory) leading to a segfault.
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This commit fixes this by replacing the pInfo passed into
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xf86AddEnabledDevice with a pointer to a global InputInfo stored inside
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the driver_context struct.
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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---
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src/xf86libinput.c | 22 ++++++++++++++++------
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1 file changed, 16 insertions(+), 6 deletions(-)
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diff --git a/src/xf86libinput.c b/src/xf86libinput.c
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index 21f87f5..485e212 100644
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--- a/src/xf86libinput.c
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+++ b/src/xf86libinput.c
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@@ -86,6 +86,7 @@
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struct xf86libinput_driver {
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struct libinput *libinput;
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+ struct _InputInfoRec InputInfo;
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int device_enabled_count;
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};
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@@ -582,7 +583,17 @@ xf86libinput_on(DeviceIntPtr dev)
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if (driver_context.device_enabled_count == 0) {
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#if HAVE_THREADED_INPUT
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- xf86AddEnabledDevice(pInfo);
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+ /*
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+ * The xserver keeps a pointer to the InputInfo passed into
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+ * xf86AddEnabledDevice and calls pointer->read_input on
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+ * events. Thus we cannot simply pass in our current pInfo
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+ * as that will be deleted when the current input device gets
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+ * unplugged. Instead pass in a pointer to a global
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+ * InputInfo inside the driver_context.
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+ */
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+ driver_context.InputInfo.fd = pInfo->fd;
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+ driver_context.InputInfo.read_input = pInfo->read_input;
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+ xf86AddEnabledDevice(&driver_context.InputInfo);
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#else
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/* Can't use xf86AddEnabledDevice on an epollfd */
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AddEnabledDevice(pInfo->fd);
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@@ -606,7 +617,7 @@ xf86libinput_off(DeviceIntPtr dev)
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if (--driver_context.device_enabled_count == 0) {
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#if HAVE_THREADED_INPUT
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- xf86RemoveEnabledDevice(pInfo);
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+ xf86RemoveEnabledDevice(&driver_context.InputInfo);
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#else
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RemoveEnabledDevice(pInfo->fd);
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#endif
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@@ -1923,7 +1934,7 @@ out:
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}
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static void
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-xf86libinput_read_input(InputInfoPtr pInfo)
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+xf86libinput_read_input(InputInfoPtr do_not_use)
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{
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struct libinput *libinput = driver_context.libinput;
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int rc;
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@@ -1934,9 +1945,8 @@ xf86libinput_read_input(InputInfoPtr pInfo)
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return;
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if (rc < 0) {
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- xf86IDrvMsg(pInfo, X_ERROR,
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- "Error reading events: %s\n",
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- strerror(-rc));
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+ xf86Msg(X_ERROR, "Error reading libinput events: %s\n",
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+ strerror(-rc));
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return;
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}
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--
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2.9.3
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2
sources
2
sources
@ -1 +1 @@
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9a9e638c3e50e1789041619716ac59a2 xf86-input-libinput-0.20.0.tar.bz2
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e4364319f15f97dc2ef0ef62c8616826 xf86-input-libinput-0.22.0.tar.bz2
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@ -7,7 +7,7 @@
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Summary: Xorg X11 libinput input driver
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Name: xorg-x11-drv-libinput
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Version: 0.20.0
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Version: 0.22.0
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Release: 1%{?gitdate:.%{gitdate}git%{gitversion}}%{?dist}
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URL: http://www.x.org
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License: MIT
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@ -17,7 +17,6 @@ Source0: %{tarball}-%{gitdate}.tar.xz
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%else
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Source0: ftp://ftp.x.org/pub/individual/driver/%{tarball}-%{version}.tar.bz2
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%endif
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Patch1: 0001-Fix-crash-when-using-threaded-input-and-the-first-de.patch
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ExcludeArch: s390 s390x
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@ -37,7 +36,6 @@ supporting all devices.
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%prep
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%setup -q -n %{tarball}-%{?gitdate:%{gitdate}}%{!?gitdate:%{version}}
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%patch1 -p1
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%build
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autoreconf --force -v --install || exit 1
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@ -75,6 +73,9 @@ Xorg X11 libinput input driver development files.
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%{_includedir}/xorg/libinput-properties.h
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%changelog
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* Wed Oct 19 2016 Peter Hutterer <peter.hutterer@redhat.com> 0.22.0-1
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- xf86-input-libinput 0.22.0
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* Tue Oct 18 2016 Peter Hutterer <peter.hutterer@redhat.com> 0.20.0-1
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- xf86-input-libinput 0.20.0
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