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| author | Jakub Kicinski <kuba@kernel.org> | 2023-07-05 20:57:13 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-07-05 20:57:13 +0300 |
| commit | fdaff05b4a67ae6789a8d45c10f891990329f85e (patch) | |
| tree | 8cd147b54f9cf94e89efde3e1b421b4187cea506 /net | |
| parent | c451410ca7e3d8eeb31d141fc20c200e21754ba4 (diff) | |
| parent | f7306acec9aae9893d15e745c8791124d42ab10a (diff) | |
| download | linux-fdaff05b4a67ae6789a8d45c10f891990329f85e.tar.xz | |
Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2023-07-05
We've added 2 non-merge commits during the last 1 day(s) which contain
a total of 3 files changed, 16 insertions(+), 4 deletions(-).
The main changes are:
1) Fix BTF to warn but not returning an error for a NULL BTF to still be
able to load modules under CONFIG_DEBUG_INFO_BTF, from SeongJae Park.
2) Fix xsk sockets to honor SO_BINDTODEVICE in bind(), from Ilya Maximets.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
xsk: Honor SO_BINDTODEVICE on bind
bpf, btf: Warn but return no error for NULL btf from __register_btf_kfunc_id_set()
====================
Link: https://lore.kernel.org/r/20230705171716.6494-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/xdp/xsk.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c index 5a8c0dd250af..31dca4ecb2c5 100644 --- a/net/xdp/xsk.c +++ b/net/xdp/xsk.c @@ -886,6 +886,7 @@ static int xsk_bind(struct socket *sock, struct sockaddr *addr, int addr_len) struct sock *sk = sock->sk; struct xdp_sock *xs = xdp_sk(sk); struct net_device *dev; + int bound_dev_if; u32 flags, qid; int err = 0; @@ -899,6 +900,10 @@ static int xsk_bind(struct socket *sock, struct sockaddr *addr, int addr_len) XDP_USE_NEED_WAKEUP)) return -EINVAL; + bound_dev_if = READ_ONCE(sk->sk_bound_dev_if); + if (bound_dev_if && bound_dev_if != sxdp->sxdp_ifindex) + return -EINVAL; + rtnl_lock(); mutex_lock(&xs->mutex); if (xs->state != XSK_READY) { |