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SubjectRe: BUG at security/selinux/avc.c:883 (was: Re: linux-next: Tree for July 17: early crash on x86-64)
On Mon, 28 Jul 2008, Stephen Smalley wrote:

> SELinux needs MAY_APPEND to be passed down to the security hook.
> Otherwise, we get permission denials when only append permission is
> granted by policy even if the opening process specified O_APPEND.
> Shows up as a regression in the ltp selinux testsuite, fixed by
> this patch.
>
> Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>

Applied to
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6#hotfixes


Al, holler if you want to push this through your tree.


---

fs/namei.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/namei.c b/fs/namei.c
index a7b0a0b..b91e973 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -274,7 +274,7 @@ int inode_permission(struct inode *inode, int mask)
return retval;

return security_inode_permission(inode,
- mask & (MAY_READ|MAY_WRITE|MAY_EXEC));
+ mask & (MAY_READ|MAY_WRITE|MAY_EXEC|MAY_APPEND));
}

/**


- James
--
James Morris
<jmorris@namei.org>


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