On Wed, 2023-09-20 at 09:30 -0400, Willem de Bruijn wrote:

Jordan Rife wrote:

quoted

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() with kernel_bind()

Link: https://lore.kernel.org/netdev/20230912013332.2048422-1-jrife@google.com/ (local)
Fixes: 4fbac77d2d09 ("bpf: Hooks for sys_bind")
Cc: stable@vger.kernel.org
Signed-off-by: Jordan Rife <redacted>

Reviewed-by: Willem de Bruijn <willemb@google.com>

I fear this is going to cause a few conflicts with other trees. We can
still take it, but at very least we will need some acks from the
relevant maintainers.

I *think* it would be easier split this and patch 1/3 in individual
patches targeting the different trees, hopefully not many additional
patches will be required. What do you think?

Cheers,

Paolo