On Thu, Sep 21, 2023 at 06:46:42PM -0500, Jordan Rife wrote:
> Similar to the change in commit 0bdf399342c5("net: Avoid address
> overwrite in kernel_connect"), BPF hooks run on bind may rewrite the
> address passed to kernel_bind(). This change
>
> 1) Makes a copy of the bind address in kernel_bind() to insulate
> callers.
> 2) Replaces direct calls to sock->ops->bind() in net with kernel_bind()
>
> Link: https://lore.kernel.org/netdev/20230912013332.2048422-1-jrife@xxxxxxxxxx/
> Fixes: 4fbac77d2d09 ("bpf: Hooks for sys_bind")
> Cc: stable@xxxxxxxxxxxxxxx
> Reviewed-by: Willem de Bruijn <willemb@xxxxxxxxxx>
> Signed-off-by: Jordan Rife <jrife@xxxxxxxxxx>
Reviewed-by: Simon Horman <horms@xxxxxxxxxx>
