Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\user_namespace.c Create Date:2022-07-28 11:18:55
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:unshare_userns

Proto:int unshare_userns(unsigned long unshare_flags, struct cred **new_cred)

Type:int

Parameter:

TypeParameterName
unsigned longunshare_flags
struct cred **new_cred
157  err = -ENOMEM
159  If Not (unshare_flags & New user namespace ) Then Return 0
162  cred = prepare_creds - Prepare a new set of credentials for modification* Prepare a new set of task credentials for modification
163  If cred Then
164  err = Create a new user namespace, deriving the creator from the user in the* passed credentials, and replacing that user with the new root user for the* new namespace.* This is called by copy_creds(), which will finish setting the target task's* credentials.
165  If err Then put_cred - Release a reference to a set of credentials*@cred: The credentials to release* Release a reference to a set of credentials, deleting them when the last ref* is released
167  Else new_cred = cred
171  Return err