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Diffstat (limited to 'man7/user_namespaces.7')
| -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) |