diff options
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/datagram.c | 5 | ||||
| -rw-r--r-- | net/core/dev.c | 2 | ||||
| -rw-r--r-- | net/core/filter.c | 21 | ||||
| -rw-r--r-- | net/core/neighbour.c | 4 | ||||
| -rw-r--r-- | net/core/netclassid_cgroup.c | 1 | ||||
| -rw-r--r-- | net/core/rtnetlink.c | 6 | ||||
| -rw-r--r-- | net/core/sysctl_net_core.c | 10 |
7 files changed, 36 insertions, 13 deletions
diff --git a/net/core/datagram.c b/net/core/datagram.c index 6a034eb538a1..57f3a6fcfc1e 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -808,8 +808,9 @@ int skb_copy_and_csum_datagram_msg(struct sk_buff *skb, return -EINVAL; } - if (unlikely(skb->ip_summed == CHECKSUM_COMPLETE)) - netdev_rx_csum_fault(skb->dev); + if (unlikely(skb->ip_summed == CHECKSUM_COMPLETE) && + !skb->csum_complete_sw) + netdev_rx_csum_fault(NULL); } return 0; fault: diff --git a/net/core/dev.c b/net/core/dev.c index 022ad73d6253..77d43ae2a7bb 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -5457,7 +5457,7 @@ static void gro_flush_oldest(struct list_head *head) /* Do not adjust napi->gro_hash[].count, caller is adding a new * SKB to the chain. */ - list_del(&oldest->list); + skb_list_del_init(oldest); napi_gro_complete(oldest); } diff --git a/net/core/filter.c b/net/core/filter.c index 35c6933c2622..e521c5ebc7d1 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -5264,8 +5264,6 @@ sk_msg_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) return &bpf_msg_pull_data_proto; case BPF_FUNC_msg_push_data: return &bpf_msg_push_data_proto; - case BPF_FUNC_get_local_storage: - return &bpf_get_local_storage_proto; default: return bpf_base_func_proto(func_id); } @@ -5296,8 +5294,6 @@ sk_skb_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) return &bpf_sk_redirect_map_proto; case BPF_FUNC_sk_redirect_hash: return &bpf_sk_redirect_hash_proto; - case BPF_FUNC_get_local_storage: - return &bpf_get_local_storage_proto; #ifdef CONFIG_INET case BPF_FUNC_sk_lookup_tcp: return &bpf_sk_lookup_tcp_proto; @@ -5496,7 +5492,13 @@ static bool cg_skb_is_valid_access(int off, int size, case bpf_ctx_range(struct __sk_buff, data_meta): case bpf_ctx_range(struct __sk_buff, flow_keys): return false; + case bpf_ctx_range(struct __sk_buff, data): + case bpf_ctx_range(struct __sk_buff, data_end): + if (!capable(CAP_SYS_ADMIN)) + return false; + break; } + if (type == BPF_WRITE) { switch (off) { case bpf_ctx_range(struct __sk_buff, mark): @@ -5638,6 +5640,15 @@ static bool sock_filter_is_valid_access(int off, int size, prog->expected_attach_type); } +static int bpf_noop_prologue(struct bpf_insn *insn_buf, bool direct_write, + const struct bpf_prog *prog) +{ + /* Neither direct read nor direct write requires any preliminary + * action. + */ + return 0; +} + static int bpf_unclone_prologue(struct bpf_insn *insn_buf, bool direct_write, const struct bpf_prog *prog, int drop_verdict) { @@ -7204,6 +7215,7 @@ const struct bpf_verifier_ops xdp_verifier_ops = { .get_func_proto = xdp_func_proto, .is_valid_access = xdp_is_valid_access, .convert_ctx_access = xdp_convert_ctx_access, + .gen_prologue = bpf_noop_prologue, }; const struct bpf_prog_ops xdp_prog_ops = { @@ -7302,6 +7314,7 @@ const struct bpf_verifier_ops sk_msg_verifier_ops = { .get_func_proto = sk_msg_func_proto, .is_valid_access = sk_msg_is_valid_access, .convert_ctx_access = sk_msg_convert_ctx_access, + .gen_prologue = bpf_noop_prologue, }; const struct bpf_prog_ops sk_msg_prog_ops = { diff --git a/net/core/neighbour.c b/net/core/neighbour.c index ee605d9d8bd4..41954e42a2de 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -2364,7 +2364,7 @@ static bool neigh_master_filtered(struct net_device *dev, int master_idx) if (!master_idx) return false; - master = netdev_master_upper_dev_get(dev); + master = dev ? netdev_master_upper_dev_get(dev) : NULL; if (!master || master->ifindex != master_idx) return true; @@ -2373,7 +2373,7 @@ static bool neigh_master_filtered(struct net_device *dev, int master_idx) static bool neigh_ifindex_filtered(struct net_device *dev, int filter_idx) { - if (filter_idx && dev->ifindex != filter_idx) + if (filter_idx && (!dev || dev->ifindex != filter_idx)) return true; return false; diff --git a/net/core/netclassid_cgroup.c b/net/core/netclassid_cgroup.c index 5e4f04004a49..7bf833598615 100644 --- a/net/core/netclassid_cgroup.c +++ b/net/core/netclassid_cgroup.c @@ -106,6 +106,7 @@ static int write_classid(struct cgroup_subsys_state *css, struct cftype *cft, iterate_fd(p->files, 0, update_classid_sock, (void *)(unsigned long)cs->classid); task_unlock(p); + cond_resched(); } css_task_iter_end(&it); diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 0958c7be2c22..f679c7a7d761 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -3333,6 +3333,7 @@ static int rtnl_dump_all(struct sk_buff *skb, struct netlink_callback *cb) int idx; int s_idx = cb->family; int type = cb->nlh->nlmsg_type - RTM_BASE; + int ret = 0; if (s_idx == 0) s_idx = 1; @@ -3365,12 +3366,13 @@ static int rtnl_dump_all(struct sk_buff *skb, struct netlink_callback *cb) cb->prev_seq = 0; cb->seq = 0; } - if (dumpit(skb, cb)) + ret = dumpit(skb, cb); + if (ret < 0) break; } cb->family = idx; - return skb->len; + return skb->len ? : ret; } struct sk_buff *rtmsg_ifinfo_build_skb(int type, struct net_device *dev, diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c index b1a2c5e38530..37b4667128a3 100644 --- a/net/core/sysctl_net_core.c +++ b/net/core/sysctl_net_core.c @@ -279,7 +279,6 @@ static int proc_dointvec_minmax_bpf_enable(struct ctl_table *table, int write, return ret; } -# ifdef CONFIG_HAVE_EBPF_JIT static int proc_dointvec_minmax_bpf_restricted(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, @@ -290,7 +289,6 @@ proc_dointvec_minmax_bpf_restricted(struct ctl_table *table, int write, return proc_dointvec_minmax(table, write, buffer, lenp, ppos); } -# endif #endif static struct ctl_table net_core_table[] = { @@ -397,6 +395,14 @@ static struct ctl_table net_core_table[] = { .extra2 = &one, }, # endif + { + .procname = "bpf_jit_limit", + .data = &bpf_jit_limit, + .maxlen = sizeof(int), + .mode = 0600, + .proc_handler = proc_dointvec_minmax_bpf_restricted, + .extra1 = &one, + }, #endif { .procname = "netdev_tstamp_prequeue", |