tun/tap driver · Maintained

Maintainers

• M Willem de Bruijn <willemdebruijn.kernel@gmail.com>
• M Jason Wang <jasowang@redhat.com>

Paths

• F Documentation/networking/tuntap.rst
• F drivers/net/tap.c
• F drivers/net/tun*

Last 30 days

Active reviewers (last 30 days)

• Xiang Mei <hidden>
  2 attestations (2 Reported-by) · last on 2026-05-21

Recent patches

Most-recent 30 patches in this subsystem on netdev (capped at 30), ordered by date desc.

• COLD17d [PATCH net] tap: free page on error paths in tap_get_user_xdp()
  2026-05-21 · Weiming Shi <hidden>
• COLD18d [PATCH] tap: fix stack info leak in tap_ioctl() SIOCGIFHWADDR
  2026-05-20 · Weiming Shi <hidden>
• DORMANTno replies REVIEWED: 1 (1M) [PATCH 5.10.y] net: tap: NULL pointer derefence in dev_parse_header_protocol when skb->dev is null
  2026-04-21 · Vasiliy Kovalev <hidden>
• DORMANTno replies REVIEWED: 1 (1M) [PATCH 5.15.y] net: tap: NULL pointer derefence in dev_parse_header_protocol when skb->dev is null
  2026-04-21 · Vasiliy Kovalev <hidden>
• STALE112d [PATCH net-next v7 8/9] tun/tap: drop get ring exports
  2026-01-07 · Simon Schippers <hidden>
• STALE112d [PATCH net-next v7 6/9] tun/tap: add helper functions to check file type
  2026-01-07 · Simon Schippers <hidden>
• STALE112d [PATCH net-next v7 4/9] tun/tap: add batched ptr_ring consume functions with netdev queue wakeup
  2026-01-07 · Simon Schippers <hidden>
• STALE112d [PATCH net-next v7 5/9] tun/tap: add unconsume function for returning entries to ptr_ring
  2026-01-07 · Simon Schippers <hidden>
• STALE112d [PATCH net-next v7 3/9] tun/tap: add ptr_ring consume helper with netdev queue wakeup
  2026-01-07 · Simon Schippers <hidden>
• STALE190d [PATCH net-next v6 8/8] tun/tap: drop get ring exports
  2025-11-20 · Simon Schippers <hidden>
• STALE190d [PATCH net-next v6 4/8] tun/tap: add batched ring consume function
  2025-11-20 · Simon Schippers <hidden>
• STALE190d [PATCH net-next v6 6/8] tun/tap: add helper functions to check file type
  2025-11-20 · Simon Schippers <hidden>
• STALE190d [PATCH net-next v6 7/8] tun/tap & vhost-net: use {tun|tap}_ring_{consume|produce} to avoid tail drops
  2025-11-20 · Simon Schippers <hidden>
• STALE190d [PATCH net-next v6 7/8] tun/tap/vhost: use {tun|tap}_ring_{consume|produce} to avoid tail drops
  2025-11-20 · Simon Schippers <hidden>
• STALE190d [PATCH net-next v6 5/8] tun/tap: add uncomsume function for returning entries to ring
  2025-11-20 · Simon Schippers <hidden>
• STALE190d [PATCH net-next v6 3/8] tun/tap: add synchronized ring produce/consume with queue management
  2025-11-20 · Simon Schippers <hidden>
• STALE240d [PATCH net-next v5 7/8] TUN & TAP: Methods to determine whether file is TUN/TAP for vhost_net
  2025-09-22 · Simon Schippers <hidden>
• STALE240d [PATCH net-next v5 4/8] TUN & TAP: Wake netdev queue after consuming an entry
  2025-09-22 · Simon Schippers <hidden>
• STALE240d [PATCH net-next v5 6/8] TUN & TAP: Provide ptr_ring_unconsume wrappers for vhost_net
  2025-09-22 · Simon Schippers <hidden>
• STALE240d [PATCH net-next v5 5/8] TUN & TAP: Provide ptr_ring_consume_batched wrappers for vhost_net
  2025-09-22 · Simon Schippers <hidden>
• STALE270d [PATCH 4/4] netdev queue flow control for vhost_net
  2025-09-02 · Simon Schippers <hidden>
• STALE270d [PATCH 3/4] netdev queue flow control for TAP
  2025-09-02 · Simon Schippers <hidden>
• STALE284d [PATCH net v3] TUN/TAP: Improving throughput and latency by avoiding SKB drops
  2025-08-25 · Simon Schippers <hidden>
• STALE313d [PATCH] tap/tun: add stats accounting when failed to transfer data to user
  2025-07-30 · <hidden>
• STALE324d [PATCH net-next v5 2/7] net: s/dev_get_mac_address/netif_get_mac_address/
  2025-07-17 · Stanislav Fomichev <sdf@fomichev.me>
• STALE327d [PATCH net-next v4 2/7] net: s/dev_get_mac_address/netif_get_mac_address/
  2025-07-14 · Stanislav Fomichev <sdf@fomichev.me>
• STALE332d [PATCH net-next v3 3/8] net: s/dev_get_mac_address/netif_get_mac_address/
  2025-07-08 · Stanislav Fomichev <sdf@fomichev.me>
• STALE340d REVIEWED: 1 (1M) [PATCH net-next V3 1/2] tun: remove unnecessary tun_xdp_hdr structure
  2025-07-01 · Jason Wang <jasowang@redhat.com>
• STALE340d [PATCH net-next v2 3/8] net: s/dev_get_mac_address/netif_get_mac_address/
  2025-06-30 · Stanislav Fomichev <sdf@fomichev.me>
• STALE343d REVIEWED: 1 (1M) [PATCH V2 net-next 1/2] tun: remove unnecessary tun_xdp_hdr structure
  2025-06-26 · Jason Wang <jasowang@redhat.com>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• DORMANTno replies REVIEWED: 1 (1M) [PATCH 5.15.y] net: tap: NULL pointer derefence in dev_parse_header_protocol when skb->dev is null
  2026-04-21 · Vasiliy Kovalev <hidden> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 1 (1M) [PATCH 5.10.y] net: tap: NULL pointer derefence in dev_parse_header_protocol when skb->dev is null
  2026-04-21 · Vasiliy Kovalev <hidden> · 1 Reviewed-by