Re: [PATCH iproute2] ss: fix vsock port filter

[Luigi Leonardi <leonardi@redhat.com>]

On Tue, Apr 21, 2026 at 02:35:12PM +0200, Luigi Leonardi wrote:
>parse_hostcond() uses get_u32() to parse the vsock port into the
>aafilter.port field, which is a long. On 64-bit systems, get_u32()
>only writes the lower 32 bits, leaving the upper 32 bits set from
>the -1 initialization. This causes the port comparison
>"a->port != s->rport" in run_ssfilter() to always fail, since the
>corrupted long value never matches the int rport.
>
>Fix by using get_long() instead, consistent with how AF_PACKET and
>AF_NETLINK handle the same field.
>
>Fixes: c759116a0b2b ("ss: add AF_VSOCK support")
>Signed-off-by: Luigi Leonardi <leonardi@redhat.com>
>---

Apparently this fixes `sport` but breaks `dport` filtering.
Will send a v2. Please ignore this patch.

Luigi