On 2013-04-03 00:11 +0200, Greg Kroah-Hartman wrote:
> 3.8-stable review patch. If anyone has any objections, please let me know.
I'm seeing several complaints from udevd at boot in both 3.8.6-rc1 and
3.9-rc5: "udevd[56]: sender uid=65534, message ignored". Reverting the
patch below on top of 3.8.6-rc1 fixes that. I'm using udev version 175
here, and 65534 is the uid of user "nobody".
Cheers,
Sven
> From: dingtianhong <dingtianhong@xxxxxxxxxx>
>
> [ Upstream commit 14134f6584212d585b310ce95428014b653dfaf6 ]
>
> SCM_SCREDENTIALS should apply to write() syscalls only either source or destination
> socket asserted SOCK_PASSCRED. The original implememtation in maybe_add_creds is wrong,
> and breaks several LSB testcases ( i.e. /tset/LSB.os/netowkr/recvfrom/T.recvfrom).
>
> Origionally-authored-by: Karel Srot <ksrot@xxxxxxxxxx>
> Signed-off-by: Ding Tianhong <dingtianhong@xxxxxxxxxx>
> Acked-by: Eric Dumazet <edumazet@xxxxxxxxxx>
> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> ---
> net/unix/af_unix.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> --- a/net/unix/af_unix.c
> +++ b/net/unix/af_unix.c
> @@ -1414,8 +1414,8 @@ static void maybe_add_creds(struct sk_bu
> if (UNIXCB(skb).cred)
> return;
> if (test_bit(SOCK_PASSCRED, &sock->flags) ||
> - !other->sk_socket ||
> - test_bit(SOCK_PASSCRED, &other->sk_socket->flags)) {
> + (other->sk_socket &&
> + test_bit(SOCK_PASSCRED, &other->sk_socket->flags))) {
> UNIXCB(skb).pid = get_pid(task_tgid(current));
> UNIXCB(skb).cred = get_current_cred();
> }
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html