diff options
| -rw-r--r-- | src/libstore/build/local-derivation-goal.cc | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/libstore/build/local-derivation-goal.cc b/src/libstore/build/local-derivation-goal.cc index 0d0afea2d..b76ad702b 100644 --- a/src/libstore/build/local-derivation-goal.cc +++ b/src/libstore/build/local-derivation-goal.cc @@ -912,9 +912,12 @@ void LocalDerivationGoal::startBuilder() sandboxMountNamespace = open(fmt("/proc/%d/ns/mnt", (pid_t) pid).c_str(), O_RDONLY); if (sandboxMountNamespace.get() == -1) throw SysError("getting sandbox mount namespace"); - sandboxUserNamespace = open(fmt("/proc/%d/ns/user", (pid_t) pid).c_str(), O_RDONLY); - if (sandboxUserNamespace.get() == -1) - throw SysError("getting sandbox user namespace"); + + if (usingUserNamespace) { + sandboxUserNamespace = open(fmt("/proc/%d/ns/user", (pid_t) pid).c_str(), O_RDONLY); + if (sandboxUserNamespace.get() == -1) + throw SysError("getting sandbox user namespace"); + } /* Signal the builder that we've updated its user namespace. */ writeFull(userNamespaceSync.writeSide.get(), "1"); |