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net: replace calls to sock->ops->connect() with kernel_connect()

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commit 26297b4ce1ce4ea40bc9a48ec99f45da3f64d2e2 upstream.

commit 0bdf399342c5 ("net: Avoid address overwrite in kernel_connect")
ensured that kernel_connect() will not overwrite the address parameter
in cases where BPF connect hooks perform an address rewrite. This change
replaces direct calls to sock->ops->connect() in net with kernel_connect()
to make these call safe.

Link: https://lore.kernel.org/netdev/[email protected]/
Fixes: d74bad4e74 ("bpf: Hooks for sys_connect")
Cc: [email protected]
Reviewed-by: Willem de Bruijn <[email protected]>
Signed-off-by: Jordan Rife <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Jordan Rife 2023-09-21 18:46:40 -05:00 • committed by Greg Kroah-Hartman
commit 53b700b41a
2 changed files with 3 additions and 3 deletions
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2
net/rds/tcp_connect.c
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@ -169,7 +169,7 @@ int rds_tcp_conn_path_connect(struct rds_conn_path *cp)
* own the socket
*/
rds_tcp_set_callbacks(sock, cp);
ret = sock->ops->connect(sock, addr, addrlen, O_NONBLOCK);
ret = kernel_connect(sock, addr, addrlen, O_NONBLOCK);
rdsdebug("connect to address %pI6c returned %d\n", &conn->c_faddr, ret);
if (ret == -EINPROGRESS)