Re: [External] : Re: [PATCH 4.14] phonet: refcount leak in pep_sock_accep

[aayush . a . agarwal]

On 07/01/22 4:54 pm, Greg KH wrote:
> On Fri, Jan 07, 2022 at 02:53:32AM -0800, Aayush Agarwal wrote:
> > From: Hangyu Hua <hbh25y@xxxxxxxxx>
> >
> > commit bcd0f9335332 ("phonet: refcount leak in pep_sock_accep")
> > upstream.
> >
> > sock_hold(sk) is invoked in pep_sock_accept(), but __sock_put(sk) is not
> > invoked in subsequent failure branches(pep_accept_conn() != 0).
> >
> > Signed-off-by: Hangyu Hua <hbh25y@xxxxxxxxx>
> > Link: https://urldefense.com/v3/__https://lore.kernel.org/r/20211209082839.33985-1-hbh25y@gmail.com__;!!ACWV5N9M2RV99hQ!Znc0Oy9gtZZ18UDMwcZiYrfjj4GUibhEq5WJZ44m6azDWCC1hrZpkFh9AmGOqqS94cqz-A$
> > Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
> > Signed-off-by: Aayush Agarwal <aayush.a.agarwal@xxxxxxxxxx>
> > ---
> >   net/phonet/pep.c | 1 +
> >   1 file changed, 1 insertion(+)
> What about releases 5.15.y, 5.10.y, 5.4.y, and 4.19.y?  Is this also
> relevant for those trees?
>
> thanks,
>
> greg k-h

It's relevant for all currently supported stable releases: 4.4.y, 4.9.y, 
4.14.y, 4.19.y, 5.4.y, 5.10.y, 5.15.y . I missed adding the tag "Cc: 
stable@xxxxxxxxxxxxxxxx #4.4+". Should I send the patch again?