diff options
| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2014-06-02 11:28:01 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2014-09-13 20:16:03 -0700 |
| commit | e56b6c42d1cc05bd90c5bbfcfb4021c88b4f3ba8 (patch) | |
| tree | e226bad69846b36f340803808de8976e68d4295a /man7 | |
| parent | 8f99aa89d93e3ed6108d3948ab83a5cc60a21fa6 (diff) | |
| download | man-pages-e56b6c42d1cc05bd90c5bbfcfb4021c88b4f3ba8.tar.gz | |
user_namespaces.7: Document maximum nesting depth for user namespaces
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man7')
| -rw-r--r-- | man7/user_namespaces.7 | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/man7/user_namespaces.7 b/man7/user_namespaces.7 index 46b4e47a8e..04081e2fc3 100644 --- a/man7/user_namespaces.7 +++ b/man7/user_namespaces.7 @@ -63,6 +63,17 @@ with the .BR CLONE_NEWUSER flag. +The kernel imposes (since version 3.11) a limit of 32 nested levels of +.\" commit 8742f229b635bf1c1c84a3dfe5e47c814c20b5c8 +user namespaces. +.\" FIXME Explain the rationale for this limit. (What is the rationale?) +Calls to +.BR unshare (2) +or +.BR clone (2) +that would cause this limit to be exceeded fail with the error +.BR EUSERS . + Each process is a member of exactly one user namespace. A process created via .BR fork (2) |