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    SubjectRe: [BUG] 3.2-rc2: BUG kmalloc-8: Redzone overwritten
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    On Mon, 2011-11-21 at 12:22 +0200, Sasha Levin wrote:
    > On Mon, 2011-11-21 at 11:21 +0100, Eric Dumazet wrote:
    > > Le lundi 21 novembre 2011 à 11:15 +0100, Eric Dumazet a écrit :
    > >
    > > >
    > > > Hmm, trinity tries to crash decnet ;)
    > > >
    > > > Maybe we should remove this decnet stuff for good instead of tracking
    > > > all bugs just for the record. Is there anybody still using decnet ?
    > > >
    > > > For example dn_start_slow_timer() starts a timer without holding a
    > > > reference on struct sock, this is highly suspect.
    > > >
    > > > [PATCH] decnet: proper socket refcounting
    > > >
    > > > Better use sk_reset_timer() / sk_stop_timer() helpers to make sure we
    > > > dont access already freed/reused memory later.
    > > >
    > > > Reported-by: Sasha Levin <levinsasha928@gmail.com>
    > > > Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
    > >
    > > Hmm, I forgot to remove the sock_hold(sk) call from dn_slow_timer(),
    > > here is V2 :
    > >
    > > [PATCH] decnet: proper socket refcounting
    > >
    > > Better use sk_reset_timer() / sk_stop_timer() helpers to make sure we
    > > dont access already freed/reused memory later.
    > >
    > > Reported-by: Sasha Levin <levinsasha928@gmail.com>
    > > Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
    > > ---
    >
    > [snip]
    >
    > Applied locally and running same tests as before, will update with
    > results.
    >

    Looks ok after a couple days of testing.

    Tested-by: Sasha Levin <levinsasha928@gmail.com>

    --

    Sasha.

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