Hello: This patch was applied to netdev/net.git (main) by Paolo Abeni <[email protected]>:
On Tue, 21 Oct 2025 14:17:18 +0200 you wrote: > From: Stefano Garzarella <[email protected]> > > Syzbot reported a potential lock inversion deadlock between > vsock_register_mutex and sk_lock-AF_VSOCK when vsock_linger() is called. > > The issue was introduced by commit 687aa0c5581b ("vsock: Fix > transport_* TOCTOU") which added vsock_register_mutex locking in > vsock_assign_transport() around the transport->release() call, that can > call vsock_linger(). vsock_assign_transport() can be called with sk_lock > held. vsock_linger() calls sk_wait_event() that temporarily releases and > re-acquires sk_lock. During this window, if another thread hold > vsock_register_mutex while trying to acquire sk_lock, a circular > dependency is created. > > [...] Here is the summary with links: - [net] vsock: fix lock inversion in vsock_assign_transport() https://git.kernel.org/netdev/net/c/f7c877e75352 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html
