diff options
| author | Michael Vogt <mvo@ubuntu.com> | 2014-10-07 13:34:28 +0200 |
|---|---|---|
| committer | Michael Vogt <mvo@ubuntu.com> | 2014-10-07 13:34:28 +0200 |
| commit | 263a781e1fd7c00ef18a7787b9a8a860a1ea5c9e (patch) | |
| tree | 25479736831f7b5e9c28431753d9a4c1ba5d0d11 | |
| parent | 373fa2b4b2caae977c41b2c10ea27e41308a05c3 (diff) | |
Ignore EINVAL from prctl(PR_SET_NO_NEW_PRIVS)
Ignore a EINVAL error here as it means that the kernel is too old
to understand this option. We should not fail hard in this case
but just ignore the error.
closes: 764066
| -rw-r--r-- | apt-pkg/contrib/fileutl.cc | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc index 1e1fb5957..dbf831a14 100644 --- a/apt-pkg/contrib/fileutl.cc +++ b/apt-pkg/contrib/fileutl.cc @@ -2189,8 +2189,9 @@ bool DropPrivileges() #if __gnu_linux__ // see prctl(2), needs linux3.5 - int ret = prctl(PR_SET_NO_NEW_PRIVS, 1, 0,0, 0); - if(ret < 0) + int ret = prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0); + // ignore EINVAL - kernel is too old to understand the option + if(ret < 0 && errno != EINVAL) _error->Warning("PR_SET_NO_NEW_PRIVS failed with %i", ret); #endif // Do not change the order here, it might break things |