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Mon, 07 Apr 2025 07:19:55 -0700 (PDT) Received: from localhost ([2601:646:9e00:f56e:2844:3d8f:bf3e:12cc]) by smtp.gmail.com with UTF8SMTPSA id d2e1a72fcca58-739d97ee6b3sm8839062b3a.53.2025.04.07.07.19.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Apr 2025 07:19:54 -0700 (PDT) Date: Mon, 7 Apr 2025 07:19:54 -0700 From: Stanislav Fomichev To: syzbot Cc: andrew@lunn.ch, davem@davemloft.net, edumazet@google.com, horms@kernel.org, kuba@kernel.org, kuniyu@amazon.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, sdf@fomichev.me, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [net?] WARNING: bad unlock balance in do_setlink Message-ID: References: <20250407063703.20757-1-kuniyu@amazon.com> <67f3890f.050a0220.0a13.0286.GAE@google.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <67f3890f.050a0220.0a13.0286.GAE@google.com> On 04/07, syzbot wrote: > Hello, > > syzbot has tested the proposed patch but the reproducer is still triggering an issue: > unregister_netdevice: waiting for DEV to become free > > unregister_netdevice: waiting for batadv0 to become free. Usage count = 3 So it does fix the lock unbalance issue, but now there is a hang?