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vsock: Allow retrying on connect() failure

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[ Upstream commit aa388c72113b7458127b709bdd7d3628af26e9b4 ]

sk_err is set when a (connectible) connect() fails. Effectively, this makes
an otherwise still healthy SS_UNCONNECTED socket impossible to use for any
subsequent connection attempts.

Clear sk_err upon trying to establish a connection.

Fixes: d021c34405 ("VSOCK: Introduce VM Sockets")
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Luigi Leonardi <leonardi@redhat.com>
Signed-off-by: Michal Luczaj <mhal@rbox.co>
Link: https://patch.msgid.link/20250128-vsock-transport-vs-autobind-v3-2-1cf57065b770@rbox.co
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Michal Luczaj
2025-01-28 14:15:28 +01:00
committed by Greg Kroah-Hartman
parent 3924c15376
commit 77ad90dd18
1 changed files with 5 additions and 0 deletions
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5
net/vmw_vsock/af_vsock.c
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@@ -1453,6 +1453,11 @@ static int vsock_connect(struct socket *sock, struct sockaddr *addr,
if (err < 0)
goto out;
/* sk_err might have been set as a result of an earlier
* (failed) connect attempt.
*/
sk->sk_err = 0;
/* Mark sock as connecting and set the error code to in
* progress in case this is a non-blocking connect.
*/