From: patchwork-bot+netdevbpf@kernel.org
To: Charalampos Mitrodimas <charmitro@posteo.net>
Cc: jmaloy@redhat.com, davem@davemloft.net, edumazet@google.com,
kuba@kernel.org, pabeni@redhat.com, horms@kernel.org,
wangliang74@huawei.com, netdev@vger.kernel.org,
tipc-discussion@lists.sourceforge.net,
linux-kernel@vger.kernel.org,
syzbot+f0c4a4aba757549ae26c@syzkaller.appspotmail.com
Subject: Re: [PATCH net v2] net: tipc: fix refcount warning in tipc_aead_encrypt
Date: Thu, 29 May 2025 10:10:29 +0000 [thread overview]
Message-ID: <174851342900.3214659.3602583798283655289.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20250527-net-tipc-warning-v2-1-df3dc398a047@posteo.net>
Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:
On Tue, 27 May 2025 16:35:44 +0000 you wrote:
> syzbot reported a refcount warning [1] caused by calling get_net() on
> a network namespace that is being destroyed (refcount=0). This happens
> when a TIPC discovery timer fires during network namespace cleanup.
>
> The recently added get_net() call in commit e279024617134 ("net/tipc:
> fix slab-use-after-free Read in tipc_aead_encrypt_done") attempts to
> hold a reference to the network namespace. However, if the namespace
> is already being destroyed, its refcount might be zero, leading to the
> use-after-free warning.
>
> [...]
Here is the summary with links:
- [net,v2] net: tipc: fix refcount warning in tipc_aead_encrypt
https://git.kernel.org/netdev/net/c/f29ccaa07cf3
You are awesome, thank you!
--
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prev parent reply other threads:[~2025-05-29 10:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-27 16:35 [PATCH net v2] net: tipc: fix refcount warning in tipc_aead_encrypt Charalampos Mitrodimas
2025-05-28 1:30 ` Tung Quang Nguyen
2025-05-29 10:10 ` patchwork-bot+netdevbpf [this message]
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