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| author | Evgeny Vereshchagin <evvers@ya.ru> | 2016-12-05 20:14:05 +0300 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2016-12-05 18:14:05 +0100 |
| commit | c9fd987279a462e406fac6c7ade01da7410bdcd6 (patch) | |
| tree | fb6d1e06a950f96429a8ca4f256156e6e25cb532 | |
| parent | e3a7b04848a438f7b5a9a2bf5d7e0e59c5c49a00 (diff) | |
| download | systemd-c9fd987279a462e406fac6c7ade01da7410bdcd6.tar.gz | |
nspawn: don't hide --bind=/tmp/* mounts (#4824)
Fixes #4789
| -rw-r--r-- | src/nspawn/nspawn-mount.c | 2 | ||||
| -rwxr-xr-x | test/TEST-13-NSPAWN-SMOKE/test.sh | 10 |
2 files changed, 11 insertions, 1 deletions
diff --git a/src/nspawn/nspawn-mount.c b/src/nspawn/nspawn-mount.c index c9d5ac419e..aaa64a7ba8 100644 --- a/src/nspawn/nspawn-mount.c +++ b/src/nspawn/nspawn-mount.c @@ -550,9 +550,9 @@ int mount_all(const char *dest, { NULL, "/proc/sys", NULL, NULL, MS_BIND|MS_RDONLY|MS_NOSUID|MS_NOEXEC|MS_NODEV|MS_REMOUNT, MOUNT_FATAL|MOUNT_IN_USERNS|MOUNT_APPLY_APIVFS_RO }, /* ... then, make it r/o */ { "/proc/sysrq-trigger", "/proc/sysrq-trigger", NULL, NULL, MS_BIND, MOUNT_IN_USERNS|MOUNT_APPLY_APIVFS_RO }, /* Bind mount first ...*/ { NULL, "/proc/sysrq-trigger", NULL, NULL, MS_BIND|MS_RDONLY|MS_NOSUID|MS_NOEXEC|MS_NODEV|MS_REMOUNT, MOUNT_IN_USERNS|MOUNT_APPLY_APIVFS_RO }, /* ... then, make it r/o */ - { "tmpfs", "/tmp", "tmpfs", "mode=1777", MS_STRICTATIME, MOUNT_FATAL|MOUNT_IN_USERNS }, /* outer child mounts */ + { "tmpfs", "/tmp", "tmpfs", "mode=1777", MS_STRICTATIME, MOUNT_FATAL }, { "tmpfs", "/sys", "tmpfs", "mode=755", MS_NOSUID|MS_NOEXEC|MS_NODEV, MOUNT_FATAL|MOUNT_APPLY_APIVFS_NETNS }, { "sysfs", "/sys", "sysfs", NULL, MS_RDONLY|MS_NOSUID|MS_NOEXEC|MS_NODEV, MOUNT_FATAL|MOUNT_APPLY_APIVFS_RO }, /* skipped if above was mounted */ { "sysfs", "/sys", "sysfs", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV, MOUNT_FATAL }, /* skipped if above was mounted */ diff --git a/test/TEST-13-NSPAWN-SMOKE/test.sh b/test/TEST-13-NSPAWN-SMOKE/test.sh index 305866ae38..b8b8ec34bd 100755 --- a/test/TEST-13-NSPAWN-SMOKE/test.sh +++ b/test/TEST-13-NSPAWN-SMOKE/test.sh @@ -83,6 +83,14 @@ if unshare -U sh -c :; then is_user_ns_supported=yes fi +function check_bind_tmp_path { + # https://github.com/systemd/systemd/issues/4789 + local _root="/var/lib/machines/bind-tmp-path" + /create-busybox-container "$_root" + >/tmp/bind + systemd-nspawn --register=no -D "$_root" --bind=/tmp/bind /bin/sh -c 'test -e /tmp/bind' +} + function run { if [[ "$1" = "yes" && "$is_v2_supported" = "no" ]]; then printf "Unified cgroup hierarchy is not supported. Skipping.\n" >&2 @@ -113,6 +121,8 @@ function run { return 0 } +check_bind_tmp_path + for api_vfs_writable in yes no network; do run no no $api_vfs_writable run yes no $api_vfs_writable |