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authorEvgeny Vereshchagin <evvers@ya.ru>2016-10-12 00:18:27 +0300
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2016-10-11 17:18:27 -0400
commit8492849ee567c4657d6ac6587ed9536857624b4c (patch)
tree27d1052b3f070e0c0ca749e664a6aa9729e0b79d /src/nspawn
parente0d2adfde677d91b57dd63f6a3f00f4b86be9a64 (diff)
nspawn: let's mount(/tmp) inside the user namespace (#4340)
Fixes: host# systemd-nspawn -D ... -U -b systemd.unit=multi-user.target ... $ grep /tmp /proc/self/mountinfo 154 145 0:41 / /tmp rw - tmpfs tmpfs rw,seclabel,uid=1036124160,gid=1036124160 $ umount /tmp umount: /root/tmp: not mounted $ systemctl poweroff ... [FAILED] Failed unmounting Temporary Directory.
Diffstat (limited to 'src/nspawn')
-rw-r--r--src/nspawn/nspawn-mount.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/nspawn/nspawn-mount.c b/src/nspawn/nspawn-mount.c
index 25d38aa742..895fc6134c 100644
--- a/src/nspawn/nspawn-mount.c
+++ b/src/nspawn/nspawn-mount.c
@@ -325,7 +325,7 @@ int mount_all(const char *dest,
{ "tmpfs", "/dev", "tmpfs", "mode=755", MS_NOSUID|MS_STRICTATIME, true, false, false },
{ "tmpfs", "/dev/shm", "tmpfs", "mode=1777", MS_NOSUID|MS_NODEV|MS_STRICTATIME, true, false, false },
{ "tmpfs", "/run", "tmpfs", "mode=755", MS_NOSUID|MS_NODEV|MS_STRICTATIME, true, false, false },
- { "tmpfs", "/tmp", "tmpfs", "mode=1777", MS_STRICTATIME, true, false, false },
+ { "tmpfs", "/tmp", "tmpfs", "mode=1777", MS_STRICTATIME, true, true, false },
#ifdef HAVE_SELINUX
{ "/sys/fs/selinux", "/sys/fs/selinux", NULL, NULL, MS_BIND, false, false, false }, /* Bind mount first */
{ NULL, "/sys/fs/selinux", NULL, NULL, MS_BIND|MS_RDONLY|MS_NOSUID|MS_NOEXEC|MS_NODEV|MS_REMOUNT, false, false, false }, /* Then, make it r/o */
@@ -368,7 +368,10 @@ int mount_all(const char *dest,
o = mount_table[k].options;
if (streq_ptr(mount_table[k].type, "tmpfs")) {
- r = tmpfs_patch_options(o, use_userns, uid_shift, uid_range, false, selinux_apifs_context, &options);
+ if (in_userns)
+ r = tmpfs_patch_options(o, use_userns, 0, uid_range, true, selinux_apifs_context, &options);
+ else
+ r = tmpfs_patch_options(o, use_userns, uid_shift, uid_range, false, selinux_apifs_context, &options);
if (r < 0)
return log_oom();
if (r > 0)