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| author | David S. Miller <davem@davemloft.net> | 2020-04-10 02:39:22 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-04-10 02:39:22 +0200 |
| commit | 40fc7ad2c8863479f3db34f9a9283b4884cd0e90 (patch) | |
| tree | 20d697f61bc6108e7230d629b2cf85ff0e2b094f /net | |
| parent | net: ipv4: devinet: Fix crash when add/del multicast IP with autojoin (diff) | |
| parent | arm, bpf: Fix bugs with ALU64 {RSH, ARSH} BPF_K shift by 0 (diff) | |
| download | linux-40fc7ad2c8863479f3db34f9a9283b4884cd0e90.tar.xz linux-40fc7ad2c8863479f3db34f9a9283b4884cd0e90.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
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>
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/filter.c | 2 | ||||
| -rw-r--r-- | net/core/sock.c | 2 | ||||
| -rw-r--r-- | net/xdp/xsk.c | 5 |
3 files changed, 5 insertions, 4 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index 7628b947dbc3..7d6ceaa54d21 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -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))) diff --git a/net/core/sock.c b/net/core/sock.c index ce1d8dce9b7a..90509c37d291 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -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; diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c index 356f90e4522b..c350108aa38d 100644 --- a/net/xdp/xsk.c +++ b/net/xdp/xsk.c @@ -131,8 +131,9 @@ static void __xsk_rcv_memcpy(struct xdp_umem *umem, u64 addr, void *from_buf, u64 page_start = addr & ~(PAGE_SIZE - 1); u64 first_len = PAGE_SIZE - (addr - page_start); - memcpy(to_buf, from_buf, first_len + metalen); - memcpy(next_pg_addr, from_buf + first_len, len - first_len); + memcpy(to_buf, from_buf, first_len); + memcpy(next_pg_addr, from_buf + first_len, + len + metalen - first_len); return; } |