Re: [PATCH v5 net 2/2] rds: tcp: Fix use-after-free of net in reqsk_timer_handler().

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On Tue, Mar 12, 2024 at 12:04 PM Paolo Abeni <pabeni@xxxxxxxxxx> wrote:
>
> On Fri, 2024-03-08 at 12:01 -0800, Kuniyuki Iwashima wrote:
> > syzkaller reported a warning of netns tracker [0] followed by KASAN
> > splat [1] and another ref tracker warning [1].
> >
> > syzkaller could not find a repro, but in the log, the only suspicious
> > sequence was as follows:
> >
> >   18:26:22 executing program 1:
> >   r0 = socket$inet6_mptcp(0xa, 0x1, 0x106)
> >   ...
> >   connect$inet6(r0, &(0x7f0000000080)={0xa, 0x4001, 0x0, @loopback}, 0x1c) (async)
> >
> > The notable thing here is 0x4001 in connect(), which is RDS_TCP_PORT.
> >

>
> Eric, the patches LGTM, and I can see your suggested-by tag, but better
> safe then sorry: could you please confirm it is ok for you too?

Sure thing.

Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx>

Thanks !





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