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OBS-URL: https://build.opensuse.org/package/show/Base:System/systemd?expand=0&rev=806
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Dr. Werner Fink
Git OBS Bridge
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74
1089-fix-cgroup-device-controller.patch
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74
1089-fix-cgroup-device-controller.patch
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From eb0f0863f5af48865fb4569e2076d5f9e2313995 Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Mon, 10 Mar 2014 21:36:01 +0100
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Subject: nspawn: don't try mknod() of /dev/console with the correct
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major/minor
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We overmount /dev/console with an external pty anyway, hence there's no
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point in using the real major/minor when we create the node to
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overmount. Instead, use the one of /dev/null now.
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This fixes a race against the cgroup device controller setup we are
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using. In case /dev/console was create before the cgroup policy was
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applied all was good, but if created in the opposite order the mknod()
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would fail, since creating /dev/console is not allowed by it. Creating
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/dev/null instances is however permitted, and hence use it.
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diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
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index d8d0dae..bef866a 100644
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--- a/src/nspawn/nspawn.c
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+++ b/src/nspawn/nspawn.c
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@@ -879,23 +879,19 @@ static int setup_ptmx(const char *dest) {
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}
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static int setup_dev_console(const char *dest, const char *console) {
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+ _cleanup_umask_ mode_t u;
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+ const char *to;
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struct stat st;
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- _cleanup_free_ char *to = NULL;
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int r;
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- _cleanup_umask_ mode_t u;
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assert(dest);
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assert(console);
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u = umask(0000);
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- if (stat(console, &st) < 0) {
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- log_error("Failed to stat %s: %m", console);
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+ if (stat("/dev/null", &st) < 0) {
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+ log_error("Failed to stat /dev/null: %m");
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return -errno;
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-
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- } else if (!S_ISCHR(st.st_mode)) {
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- log_error("/dev/console is not a char device");
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- return -EIO;
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}
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r = chmod_and_chown(console, 0600, 0, 0);
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@@ -904,16 +900,15 @@ static int setup_dev_console(const char *dest, const char *console) {
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return r;
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}
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- if (asprintf(&to, "%s/dev/console", dest) < 0)
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- return log_oom();
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-
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/* We need to bind mount the right tty to /dev/console since
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* ptys can only exist on pts file systems. To have something
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- * to bind mount things on we create a device node first, that
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- * has the right major/minor (note that the major minor
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- * doesn't actually matter here, since we mount it over
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- * anyway). */
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+ * to bind mount things on we create a device node first, and
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+ * use /dev/null for that since we the cgroups device policy
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+ * allows us to create that freely, while we cannot create
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+ * /dev/console. (Note that the major minor doesn't actually
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+ * matter here, since we mount it over anyway). */
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+ to = strappenda(dest, "/dev/console");
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if (mknod(to, (st.st_mode & ~07777) | 0600, st.st_rdev) < 0) {
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log_error("mknod() for /dev/console failed: %m");
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return -errno;
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--
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cgit v0.10.2
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@ -1,3 +1,9 @@
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-------------------------------------------------------------------
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Wed Oct 22 13:56:22 UTC 2014 - werner@suse.de
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- Add upstream patch 1089-fix-cgroup-device-controller.patch
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to avoid trouble on existing /dev/console with nspawn (bsc#902240)
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-------------------------------------------------------------------
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Tue Oct 21 11:03:31 UTC 2014 - werner@suse.de
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@ -1143,10 +1143,12 @@ Patch1084: 1084-udev-ctrl-log-if-setting-SO_PASSCRED-fails.patch
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Patch1085: 1085-udev-fix-typos.patch
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# PATCH-FIX-UPSTREAM 1085-udevd-don-t-fail-if-run-udev-exists.patch
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Patch1086: 1086-udevd-don-t-fail-if-run-udev-exists.patch
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# PATCH-FIX-SSUE 1087-infinit-timeout-for-kmod-loaded-modules.patch
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# PATCH-FIX-SUSE 1087-infinit-timeout-for-kmod-loaded-modules.patch
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Patch1087: 1087-infinit-timeout-for-kmod-loaded-modules.patch
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# PATCH-FIX-SSUE 1088-drop-renaming-of-virtual-interfaces-in-guest.patch (bnc#898432)
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# PATCH-FIX-SUSE 1088-drop-renaming-of-virtual-interfaces-in-guest.patch (bnc#898432)
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Patch1088: 1088-drop-renaming-of-virtual-interfaces-in-guest.patch
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# PATCH-FIX-UPSTREAM 1089-fix-cgroup-device-controller.patch
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Patch1089: 1089-fix-cgroup-device-controller.patch
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%description
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Systemd is a system and service manager, compatible with SysV and LSB
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@ -1894,6 +1896,7 @@ cp %{SOURCE7} m4/
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%patch1086 -p0
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%patch1087 -p0
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%patch1088 -p1
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%patch1089 -p1
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# remove patch backups
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find -name '*.orig' -exec rm -f '{}' \+
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@ -1,3 +1,9 @@
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-------------------------------------------------------------------
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Wed Oct 22 13:56:22 UTC 2014 - werner@suse.de
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- Add upstream patch 1089-fix-cgroup-device-controller.patch
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to avoid trouble on existing /dev/console with nspawn (bsc#902240)
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-------------------------------------------------------------------
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Tue Oct 21 11:03:31 UTC 2014 - werner@suse.de
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@ -1138,10 +1138,12 @@ Patch1084: 1084-udev-ctrl-log-if-setting-SO_PASSCRED-fails.patch
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Patch1085: 1085-udev-fix-typos.patch
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# PATCH-FIX-UPSTREAM 1085-udevd-don-t-fail-if-run-udev-exists.patch
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Patch1086: 1086-udevd-don-t-fail-if-run-udev-exists.patch
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# PATCH-FIX-SSUE 1087-infinit-timeout-for-kmod-loaded-modules.patch
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# PATCH-FIX-SUSE 1087-infinit-timeout-for-kmod-loaded-modules.patch
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Patch1087: 1087-infinit-timeout-for-kmod-loaded-modules.patch
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# PATCH-FIX-SSUE 1088-drop-renaming-of-virtual-interfaces-in-guest.patch (bnc#898432)
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# PATCH-FIX-SUSE 1088-drop-renaming-of-virtual-interfaces-in-guest.patch (bnc#898432)
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Patch1088: 1088-drop-renaming-of-virtual-interfaces-in-guest.patch
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# PATCH-FIX-UPSTREAM 1089-fix-cgroup-device-controller.patch
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Patch1089: 1089-fix-cgroup-device-controller.patch
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%description
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Systemd is a system and service manager, compatible with SysV and LSB
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@ -1889,6 +1891,7 @@ cp %{SOURCE7} m4/
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%patch1086 -p0
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%patch1087 -p0
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%patch1088 -p1
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%patch1089 -p1
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# remove patch backups
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find -name '*.orig' -exec rm -f '{}' \+
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