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Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

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Daniel Borkmann says:

====================
pull-request: bpf 2020-04-10

The following pull-request contains BPF updates for your *net* tree.

We've added 13 non-merge commits during the last 7 day(s) which contain
a total of 13 files changed, 137 insertions(+), 43 deletions(-).

The main changes are:

1) JIT code emission fixes for riscv and arm32, from Luke Nelson and Xi Wang.

2) Disable vmlinux BTF info if GCC_PLUGIN_RANDSTRUCT is used, from Slava Bacherikov.

3) Fix oob write in AF_XDP when meta data is used, from Li RongQing.

4) Fix bpf_get_link_xdp_id() handling on single prog when flags are specified,
   from Andrey Ignatov.

5) Fix sk_assign() BPF helper for request sockets that can have sk_reuseport
   field uninitialized, from Joe Stringer.

6) Fix mprotect() test case for the BPF LSM, from KP Singh.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2020-04-09 17:39:22 -07:00
parent 690cc86321 bb9562cf5c
commit 40fc7ad2c8
13 changed files with 137 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
net/core/filter.c
View File

@@ -5925,7 +5925,7 @@ BPF_CALL_3(bpf_sk_assign, struct sk_buff *, skb, struct sock *, sk, u64, flags)
return -EOPNOTSUPP;
if (unlikely(dev_net(skb->dev) != sock_net(sk)))
return -ENETUNREACH;
if (unlikely(sk->sk_reuseport))
if (unlikely(sk_fullsock(sk) && sk->sk_reuseport))
return -ESOCKTNOSUPPORT;
if (sk_is_refcounted(sk) &&
unlikely(!refcount_inc_not_zero(&sk->sk_refcnt)))

2
net/core/sock.c
View File

@@ -1872,7 +1872,7 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority)
* as not suitable for copying when cloning.
*/
if (sk_user_data_is_nocopy(newsk))
RCU_INIT_POINTER(newsk->sk_user_data, NULL);
newsk->sk_user_data = NULL;
newsk->sk_err = 0;
newsk->sk_err_soft = 0;