diff options
| -rw-r--r-- | common/JailUtil.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/common/JailUtil.cpp b/common/JailUtil.cpp index 98336581fb..5c9531b9ad 100644 --- a/common/JailUtil.cpp +++ b/common/JailUtil.cpp @@ -220,7 +220,9 @@ void setupChildRoot(bool bindMount, const std::string& childRoot, const std::str // Test mounting to verify it actually works, // as it might not function in some systems. const std::string target = Poco::Path(childRoot, "cool_test_mount").toString(); - if (bind(sysTemplate, target)) + + // Make sure that we can both mount and unmount before enabling bind-mounting. + if (bind(sysTemplate, target) && unmount(target)) { enableBindMounting(); safeRemoveDir(target); |