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Date:   Wed, 08 Jan 2020 12:43:46 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     edumazet@...gle.com
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com,
        syzkaller@...glegroups.com, ap420073@...il.com
Subject: Re: [PATCH net] gtp: fix bad unlock balance in
 gtp_encap_enable_socket

From: Eric Dumazet <edumazet@...gle.com>
Date: Mon,  6 Jan 2020 06:45:37 -0800

> WARNING: bad unlock balance detected!
> 5.5.0-rc5-syzkaller #0 Not tainted
> -------------------------------------
> syz-executor921/9688 is trying to release lock (sk_lock-AF_INET6) at:
> [<ffffffff84bf8506>] gtp_encap_enable_socket+0x146/0x400 drivers/net/gtp.c:830
> but there are no more locks to release!
  ...
> Fixes: e198987e7dd7 ("gtp: fix suspicious RCU usage")
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> Reported-by: syzbot <syzkaller@...glegroups.com>
> Cc: Taehee Yoo <ap420073@...il.com>

Applied and queued up for -stable, thanks Eric.

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