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Merge tag 'net-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

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Pull networking fixes from Jakub Kicinski:
 "Including fixes from bpf, can and netfilter.

  Current release - regressions:

   - bpf: do not reject when the stack read size is different from the
     tracked scalar size

   - net: fix premature exit from NAPI state polling in napi_disable()

   - riscv, bpf: fix RV32 broken build, and silence RV64 warning

  Current release - new code bugs:

   - net: fix possible NULL deref in sock_reserve_memory

   - amt: fix error return code in amt_init(); fix stopping the
     workqueue

   - ax88796c: use the correct ioctl callback

  Previous releases - always broken:

   - bpf: stop caching subprog index in the bpf_pseudo_func insn

   - security: fixups for the security hooks in sctp

   - nfc: add necessary privilege flags in netlink layer, limit
     operations to admin only

   - vsock: prevent unnecessary refcnt inc for non-blocking connect

   - net/smc: fix sk_refcnt underflow on link down and fallback

   - nfnetlink_queue: fix OOB when mac header was cleared

   - can: j1939: ignore invalid messages per standard

   - bpf, sockmap:
      - fix race in ingress receive verdict with redirect to self
      - fix incorrect sk_skb data_end access when src_reg = dst_reg
      - strparser, and tls are reusing qdisc_skb_cb and colliding

   - ethtool: fix ethtool msg len calculation for pause stats

   - vlan: fix a UAF in vlan_dev_real_dev() when ref-holder tries to
     access an unregistering real_dev

   - udp6: make encap_rcv() bump the v6 not v4 stats

   - drv: prestera: add explicit padding to fix m68k build

   - drv: felix: fix broken VLAN-tagged PTP under VLAN-aware bridge

   - drv: mvpp2: fix wrong SerDes reconfiguration order

  Misc & small latecomers:

   - ipvs: auto-load ipvs on genl access

   - mctp: sanity check the struct sockaddr_mctp padding fields

   - libfs: support RENAME_EXCHANGE in simple_rename()

   - avoid double accounting for pure zerocopy skbs"

* tag 'net-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (123 commits)
  selftests/net: udpgso_bench_rx: fix port argument
  net: wwan: iosm: fix compilation warning
  cxgb4: fix eeprom len when diagnostics not implemented
  net: fix premature exit from NAPI state polling in napi_disable()
  net/smc: fix sk_refcnt underflow on linkdown and fallback
  net/mlx5: Lag, fix a potential Oops with mlx5_lag_create_definer()
  gve: fix unmatched u64_stats_update_end()
  net: ethernet: lantiq_etop: Fix compilation error
  selftests: forwarding: Fix packet matching in mirroring selftests
  vsock: prevent unnecessary refcnt inc for nonblocking connect
  net: marvell: mvpp2: Fix wrong SerDes reconfiguration order
  net: ethernet: ti: cpsw_ale: Fix access to un-initialized memory
  net: stmmac: allow a tc-taprio base-time of zero
  selftests: net: test_vxlan_under_vrf: fix HV connectivity test
  net: hns3: allow configure ETS bandwidth of all TCs
  net: hns3: remove check VF uc mac exist when set by PF
  net: hns3: fix some mac statistics is always 0 in device version V2
  net: hns3: fix kernel crash when unload VF while it is being reset
  net: hns3: sync rx ring head in echo common pull
  net: hns3: fix pfc packet number incorrect after querying pfc parameters
  ...
This commit is contained in:
Linus Torvalds
2021-11-11 09:49:36 -08:00
parent c55a04176c d336509cb9
commit f54ca91fe6
134 changed files with 1243 additions and 731 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/net/llc.h
View File

@@ -72,7 +72,9 @@ struct llc_sap {
static inline
struct hlist_head *llc_sk_dev_hash(struct llc_sap *sap, int ifindex)
{
return &sap->sk_dev_hash[ifindex % LLC_SK_DEV_HASH_ENTRIES];
u32 bucket = hash_32(ifindex, LLC_SK_DEV_HASH_BITS);
return &sap->sk_dev_hash[bucket];
}
static inline

20
include/net/sctp/structs.h
View File

@@ -1355,16 +1355,6 @@ struct sctp_endpoint {
reconf_enable:1;
__u8 strreset_enable;
/* Security identifiers from incoming (INIT). These are set by
* security_sctp_assoc_request(). These will only be used by
* SCTP TCP type sockets and peeled off connections as they
* cause a new socket to be generated. security_sctp_sk_clone()
* will then plug these into the new socket.
*/
u32 secid;
u32 peer_secid;
};
/* Recover the outter endpoint structure. */
@@ -2104,6 +2094,16 @@ struct sctp_association {
__u64 abandoned_unsent[SCTP_PR_INDEX(MAX) + 1];
__u64 abandoned_sent[SCTP_PR_INDEX(MAX) + 1];
/* Security identifiers from incoming (INIT). These are set by
* security_sctp_assoc_request(). These will only be used by
* SCTP TCP type sockets and peeled off connections as they
* cause a new socket to be generated. security_sctp_sk_clone()
* will then plug these into the new socket.
*/
u32 secid;
u32 peer_secid;
struct rcu_head rcu;
};

20
include/net/strparser.h
View File

@@ -54,10 +54,28 @@ struct strp_msg {
int offset;
};
struct _strp_msg {
/* Internal cb structure. struct strp_msg must be first for passing
* to upper layer.
*/
struct strp_msg strp;
int accum_len;
};
struct sk_skb_cb {
#define SK_SKB_CB_PRIV_LEN 20
unsigned char data[SK_SKB_CB_PRIV_LEN];
struct _strp_msg strp;
/* temp_reg is a temporary register used for bpf_convert_data_end_access
* when dst_reg == src_reg.
*/
u64 temp_reg;
};
static inline struct strp_msg *strp_msg(struct sk_buff *skb)
{
return (struct strp_msg *)((void *)skb->cb +
offsetof(struct qdisc_skb_cb, data));
offsetof(struct sk_skb_cb, strp));
}
/* Structure for an attached lower socket */

8
include/net/tcp.h
View File

@@ -293,7 +293,10 @@ static inline bool tcp_out_of_memory(struct sock *sk)
static inline void tcp_wmem_free_skb(struct sock *sk, struct sk_buff *skb)
{
sk_wmem_queued_add(sk, -skb->truesize);
sk_mem_uncharge(sk, skb->truesize);
if (!skb_zcopy_pure(skb))
sk_mem_uncharge(sk, skb->truesize);
else
sk_mem_uncharge(sk, SKB_TRUESIZE(skb_end_offset(skb)));
__kfree_skb(skb);
}
@@ -974,7 +977,8 @@ static inline bool tcp_skb_can_collapse(const struct sk_buff *to,
const struct sk_buff *from)
{
return likely(tcp_skb_can_collapse_to(to) &&
mptcp_skb_can_collapse(to, from));
mptcp_skb_can_collapse(to, from) &&
skb_pure_zcopy_same(to, from));
}
/* Events passed to congestion control interface */