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CRED: Must initialise the new creds in prepare_kernel_cred()

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The newly allocated creds in prepare_kernel_cred() must be initialised
before get_uid() and get_group_info() can access them.  They should be
copied from the old credentials.

Reported-by: Steve Dickson <steved@redhat.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Steve Dickson <steved@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Howells 2009-01-09 16:13:46 +00:00 committed by Linus Torvalds
parent 0de3368141
commit 43529c9712
1 changed files with 1 additions and 0 deletions
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kernel/cred.c
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@ -506,6 +506,7 @@ struct cred *prepare_kernel_cred(struct task_struct *daemon)
else
old = get_cred(&init_cred);
*new = *old;
get_uid(new->user);
get_group_info(new->group_info);