Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says: ==================== pull-request: bpf 2019-03-09 The following pull-request contains BPF updates for your *net* tree. The main changes are: 1) Fix a crash in AF_XDP's xsk_diag_put_ring() which was passing wrong queue argument, from Eric. 2) Fix a regression due to wrong test for TCP GSO packets used in various BPF helpers like NAT64, from Willem. 3) Fix a sk_msg strparser warning which asserts that strparser must be stopped first, from Jakub. 4) Fix rejection of invalid options/bind flags in AF_XDP, from Björn. 5) Fix GSO in bpf_lwt_push_ip_encap() which must properly set inner headers and inner protocol, from Peter. 6) Fix a libbpf leak when kernel does not support BTF, from Nikita. 7) Various BPF selftest and libbpf build fixes to make out-of-tree compilation work and to properly resolve dependencies via fixdep target, from Stanislav. 8) Fix rejection of invalid ldimm64 imm field, from Daniel. 9) Fix bpf stats sysctl compile warning of unused helper function proc_dointvec_minmax_bpf_stats() under some configs, from Arnd. 10) Fix couple of warnings about using plain integer as NULL, from Bo. 11) Fix some BPF sample spelling mistakes, from Colin. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>hifive-unleashed-5.1
David S. Miller
commit
c3ad3eca2f
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@ -292,7 +292,7 @@ static inline int bpf_cgroup_storage_assign(struct bpf_prog *prog,
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static inline void bpf_cgroup_storage_release(struct bpf_prog *prog,
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struct bpf_map *map) {}
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static inline struct bpf_cgroup_storage *bpf_cgroup_storage_alloc(
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struct bpf_prog *prog, enum bpf_cgroup_storage_type stype) { return 0; }
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struct bpf_prog *prog, enum bpf_cgroup_storage_type stype) { return NULL; }
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static inline void bpf_cgroup_storage_free(
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struct bpf_cgroup_storage *storage) {}
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static inline int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key,
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@ -4286,10 +4286,10 @@ static inline bool skb_is_gso_sctp(const struct sk_buff *skb)
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return skb_shinfo(skb)->gso_type & SKB_GSO_SCTP;
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}
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/* Note: Should be called only if skb_is_gso(skb) is true */
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static inline bool skb_is_gso_tcp(const struct sk_buff *skb)
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{
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return skb_is_gso(skb) &&
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skb_shinfo(skb)->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6);
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return skb_shinfo(skb)->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6);
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}
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static inline void skb_gso_reset(struct sk_buff *skb)
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@ -6678,17 +6678,17 @@ static int replace_map_fd_with_map_ptr(struct bpf_verifier_env *env)
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/* valid generic load 64-bit imm */
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goto next_insn;
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if (insn->src_reg != BPF_PSEUDO_MAP_FD) {
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verbose(env,
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"unrecognized bpf_ld_imm64 insn\n");
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if (insn[0].src_reg != BPF_PSEUDO_MAP_FD ||
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insn[1].imm != 0) {
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verbose(env, "unrecognized bpf_ld_imm64 insn\n");
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return -EINVAL;
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}
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f = fdget(insn->imm);
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f = fdget(insn[0].imm);
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map = __bpf_map_get(f);
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if (IS_ERR(map)) {
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verbose(env, "fd %d is not pointing to valid bpf_map\n",
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insn->imm);
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insn[0].imm);
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return PTR_ERR(map);
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}
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@ -3274,7 +3274,7 @@ int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int write,
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#endif /* CONFIG_PROC_SYSCTL */
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#ifdef CONFIG_BPF_SYSCALL
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#if defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_SYSCTL)
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static int proc_dointvec_minmax_bpf_stats(struct ctl_table *table, int write,
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void __user *buffer, size_t *lenp,
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loff_t *ppos)
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@ -16,7 +16,7 @@
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static int bpf_test_run(struct bpf_prog *prog, void *ctx, u32 repeat,
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u32 *retval, u32 *time)
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{
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struct bpf_cgroup_storage *storage[MAX_BPF_CGROUP_STORAGE_TYPE] = { 0 };
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struct bpf_cgroup_storage *storage[MAX_BPF_CGROUP_STORAGE_TYPE] = { NULL };
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enum bpf_cgroup_storage_type stype;
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u64 time_start, time_spent = 0;
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int ret = 0;
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@ -2804,7 +2804,7 @@ static int bpf_skb_proto_4_to_6(struct sk_buff *skb)
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u32 off = skb_mac_header_len(skb);
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int ret;
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if (!skb_is_gso_tcp(skb))
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if (skb_is_gso(skb) && !skb_is_gso_tcp(skb))
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return -ENOTSUPP;
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ret = skb_cow(skb, len_diff);
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@ -2845,7 +2845,7 @@ static int bpf_skb_proto_6_to_4(struct sk_buff *skb)
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u32 off = skb_mac_header_len(skb);
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int ret;
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if (!skb_is_gso_tcp(skb))
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if (skb_is_gso(skb) && !skb_is_gso_tcp(skb))
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return -ENOTSUPP;
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ret = skb_unclone(skb, GFP_ATOMIC);
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@ -2970,7 +2970,7 @@ static int bpf_skb_net_grow(struct sk_buff *skb, u32 len_diff)
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u32 off = skb_mac_header_len(skb) + bpf_skb_net_base_len(skb);
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int ret;
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if (!skb_is_gso_tcp(skb))
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if (skb_is_gso(skb) && !skb_is_gso_tcp(skb))
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return -ENOTSUPP;
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ret = skb_cow(skb, len_diff);
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@ -2999,7 +2999,7 @@ static int bpf_skb_net_shrink(struct sk_buff *skb, u32 len_diff)
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u32 off = skb_mac_header_len(skb) + bpf_skb_net_base_len(skb);
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int ret;
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if (!skb_is_gso_tcp(skb))
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if (skb_is_gso(skb) && !skb_is_gso_tcp(skb))
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return -ENOTSUPP;
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ret = skb_unclone(skb, GFP_ATOMIC);
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@ -625,6 +625,8 @@ int bpf_lwt_push_ip_encap(struct sk_buff *skb, void *hdr, u32 len, bool ingress)
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/* push the encap headers and fix pointers */
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skb_reset_inner_headers(skb);
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skb_reset_inner_mac_header(skb); /* mac header is not yet set */
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skb_set_inner_protocol(skb, skb->protocol);
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skb->encapsulation = 1;
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skb_push(skb, len);
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if (ingress)
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@ -554,6 +554,7 @@ static void sk_psock_destroy_deferred(struct work_struct *gc)
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struct sk_psock *psock = container_of(gc, struct sk_psock, gc);
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/* No sk_callback_lock since already detached. */
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strp_stop(&psock->parser.strp);
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strp_done(&psock->parser.strp);
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cancel_work_sync(&psock->work);
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@ -407,6 +407,10 @@ static int xsk_bind(struct socket *sock, struct sockaddr *addr, int addr_len)
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if (sxdp->sxdp_family != AF_XDP)
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return -EINVAL;
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flags = sxdp->sxdp_flags;
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if (flags & ~(XDP_SHARED_UMEM | XDP_COPY | XDP_ZEROCOPY))
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return -EINVAL;
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mutex_lock(&xs->mutex);
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if (xs->dev) {
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err = -EBUSY;
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@ -425,7 +429,6 @@ static int xsk_bind(struct socket *sock, struct sockaddr *addr, int addr_len)
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}
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qid = sxdp->sxdp_queue_id;
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flags = sxdp->sxdp_flags;
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if (flags & XDP_SHARED_UMEM) {
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struct xdp_sock *umem_xs;
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@ -68,9 +68,9 @@ static int xsk_diag_put_umem(const struct xdp_sock *xs, struct sk_buff *nlskb)
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err = nla_put(nlskb, XDP_DIAG_UMEM, sizeof(du), &du);
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if (!err && umem->fq)
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err = xsk_diag_put_ring(xs->tx, XDP_DIAG_UMEM_FILL_RING, nlskb);
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err = xsk_diag_put_ring(umem->fq, XDP_DIAG_UMEM_FILL_RING, nlskb);
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if (!err && umem->cq) {
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err = xsk_diag_put_ring(xs->tx, XDP_DIAG_UMEM_COMPLETION_RING,
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err = xsk_diag_put_ring(umem->cq, XDP_DIAG_UMEM_COMPLETION_RING,
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nlskb);
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}
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return err;
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@ -174,8 +174,8 @@ static inline bool xskq_is_valid_desc(struct xsk_queue *q, struct xdp_desc *d)
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if (!xskq_is_valid_addr(q, d->addr))
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return false;
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if (((d->addr + d->len) & q->chunk_mask) !=
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(d->addr & q->chunk_mask)) {
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if (((d->addr + d->len) & q->chunk_mask) != (d->addr & q->chunk_mask) ||
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d->options) {
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q->invalid_descs++;
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return false;
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}
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@ -18,7 +18,7 @@
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* Default is /hbm1
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* -r <rate> Rate limit in Mbps
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* -s Get HBM stats (marked, dropped, etc.)
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* -t <time> Exit after specified seconds (deault is 0)
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* -t <time> Exit after specified seconds (default is 0)
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* -w Work conserving flag. cgroup can increase its bandwidth
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* beyond the rate limit specified while there is available
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* bandwidth. Current implementation assumes there is only
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@ -376,7 +376,7 @@ static void Usage(void)
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" Default is /hbm1\n"
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" -r <rate> Rate in Mbps\n"
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" -s Update HBM stats\n"
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" -t <time> Exit after specified seconds (deault is 0)\n"
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" -t <time> Exit after specified seconds (default is 0)\n"
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" -w Work conserving flag. cgroup can increase\n"
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" bandwidth beyond the rate limit specified\n"
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" while there is available bandwidth. Current\n"
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@ -147,7 +147,8 @@ endif
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TARGETS = $(CMD_TARGETS)
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all: fixdep all_cmd
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all: fixdep
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$(Q)$(MAKE) all_cmd
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all_cmd: $(CMD_TARGETS) check
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@ -838,6 +838,8 @@ static int bpf_object__elf_collect(struct bpf_object *obj, int flags)
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if (IS_ERR(obj->btf) || btf__load(obj->btf)) {
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pr_warning("Error loading ELF section %s: %ld. Ignored and continue.\n",
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BTF_ELF_SEC, PTR_ERR(obj->btf));
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if (!IS_ERR(obj->btf))
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btf__free(obj->btf);
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obj->btf = NULL;
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}
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} else if (strcmp(name, BTF_EXT_ELF_SEC) == 0) {
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@ -153,6 +153,9 @@ endif
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endif
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endif
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TEST_PROGS_CFLAGS := -I. -I$(OUTPUT)
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TEST_VERIFIER_CFLAGS := -I. -I$(OUTPUT) -Iverifier
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ifneq ($(SUBREG_CODEGEN),)
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ALU32_BUILD_DIR = $(OUTPUT)/alu32
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TEST_CUSTOM_PROGS += $(ALU32_BUILD_DIR)/test_progs_32
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@ -162,13 +165,15 @@ $(ALU32_BUILD_DIR):
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$(ALU32_BUILD_DIR)/urandom_read: $(OUTPUT)/urandom_read
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cp $< $@
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$(ALU32_BUILD_DIR)/test_progs_32: test_progs.c $(ALU32_BUILD_DIR) \
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$(ALU32_BUILD_DIR)/test_progs_32: test_progs.c $(OUTPUT)/libbpf.a\
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$(ALU32_BUILD_DIR) \
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$(ALU32_BUILD_DIR)/urandom_read
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$(CC) $(CFLAGS) -o $(ALU32_BUILD_DIR)/test_progs_32 $< \
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trace_helpers.c prog_tests/*.c $(OUTPUT)/libbpf.a $(LDLIBS)
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$(CC) $(TEST_PROGS_CFLAGS) $(CFLAGS) \
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-o $(ALU32_BUILD_DIR)/test_progs_32 \
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test_progs.c trace_helpers.c prog_tests/*.c \
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$(OUTPUT)/libbpf.a $(LDLIBS)
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$(ALU32_BUILD_DIR)/test_progs_32: $(PROG_TESTS_H)
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$(ALU32_BUILD_DIR)/test_progs_32: CFLAGS += -I$(OUTPUT)
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$(ALU32_BUILD_DIR)/test_progs_32: prog_tests/*.c
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$(ALU32_BUILD_DIR)/%.o: progs/%.c $(ALU32_BUILD_DIR) \
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@ -202,12 +207,16 @@ endif
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PROG_TESTS_H := $(OUTPUT)/prog_tests/tests.h
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$(OUTPUT)/test_progs: $(PROG_TESTS_H)
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$(OUTPUT)/test_progs: CFLAGS += -I$(OUTPUT)
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$(OUTPUT)/test_progs: CFLAGS += $(TEST_PROGS_CFLAGS)
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$(OUTPUT)/test_progs: prog_tests/*.c
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PROG_TESTS_DIR = $(OUTPUT)/prog_tests
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$(PROG_TESTS_DIR):
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mkdir -p $@
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PROG_TESTS_FILES := $(wildcard prog_tests/*.c)
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$(PROG_TESTS_H): $(PROG_TESTS_FILES)
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$(shell ( cd prog_tests/
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$(PROG_TESTS_H): $(PROG_TESTS_DIR) $(PROG_TESTS_FILES)
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$(shell ( cd prog_tests/; \
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echo '/* Generated header, do not edit */'; \
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echo '#ifdef DECLARE'; \
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ls *.c 2> /dev/null | \
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@ -221,11 +230,15 @@ $(PROG_TESTS_H): $(PROG_TESTS_FILES)
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VERIFIER_TESTS_H := $(OUTPUT)/verifier/tests.h
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$(OUTPUT)/test_verifier: $(VERIFIER_TESTS_H)
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$(OUTPUT)/test_verifier: CFLAGS += -I$(OUTPUT)
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$(OUTPUT)/test_verifier: CFLAGS += $(TEST_VERIFIER_CFLAGS)
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VERIFIER_TESTS_DIR = $(OUTPUT)/verifier
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$(VERIFIER_TESTS_DIR):
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mkdir -p $@
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VERIFIER_TEST_FILES := $(wildcard verifier/*.c)
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$(OUTPUT)/verifier/tests.h: $(VERIFIER_TEST_FILES)
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$(shell ( cd verifier/
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$(OUTPUT)/verifier/tests.h: $(VERIFIER_TESTS_DIR) $(VERIFIER_TEST_FILES)
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$(shell ( cd verifier/; \
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echo '/* Generated header, do not edit */'; \
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echo '#ifdef FILL_ARRAY'; \
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ls *.c 2> /dev/null | \
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|
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@ -12,7 +12,7 @@ static void test_signal_pending_by_type(enum bpf_prog_type prog_type)
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struct itimerval timeo = {
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.it_value.tv_usec = 100000, /* 100ms */
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};
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__u32 duration, retval;
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__u32 duration = 0, retval;
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int prog_fd;
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int err;
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int i;
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|
|
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|
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@ -78,6 +78,8 @@ TEST_STATUS=0
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TESTS_SUCCEEDED=0
|
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TESTS_FAILED=0
|
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|
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TMPFILE=""
|
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|
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process_test_results()
|
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{
|
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if [[ "${TEST_STATUS}" -eq 0 ]] ; then
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@ -147,7 +149,6 @@ setup()
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ip -netns ${NS2} -6 addr add ${IPv6_7}/128 nodad dev veth7
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ip -netns ${NS3} -6 addr add ${IPv6_8}/128 nodad dev veth8
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|
||||
|
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ip -netns ${NS1} link set dev veth1 up
|
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ip -netns ${NS2} link set dev veth2 up
|
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ip -netns ${NS2} link set dev veth3 up
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|
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@ -205,7 +206,7 @@ setup()
|
|||
# configure IPv4 GRE device in NS3, and a route to it via the "bottom" route
|
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ip -netns ${NS3} tunnel add gre_dev mode gre remote ${IPv4_1} local ${IPv4_GRE} ttl 255
|
||||
ip -netns ${NS3} link set gre_dev up
|
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ip -netns ${NS3} addr add ${IPv4_GRE} nodad dev gre_dev
|
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ip -netns ${NS3} addr add ${IPv4_GRE} dev gre_dev
|
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ip -netns ${NS1} route add ${IPv4_GRE}/32 dev veth5 via ${IPv4_6}
|
||||
ip -netns ${NS2} route add ${IPv4_GRE}/32 dev veth7 via ${IPv4_8}
|
||||
|
||||
|
|
@ -222,12 +223,18 @@ setup()
|
|||
ip netns exec ${NS2} sysctl -wq net.ipv4.conf.all.rp_filter=0
|
||||
ip netns exec ${NS3} sysctl -wq net.ipv4.conf.all.rp_filter=0
|
||||
|
||||
TMPFILE=$(mktemp /tmp/test_lwt_ip_encap.XXXXXX)
|
||||
|
||||
sleep 1 # reduce flakiness
|
||||
set +e
|
||||
}
|
||||
|
||||
cleanup()
|
||||
{
|
||||
if [ -f ${TMPFILE} ] ; then
|
||||
rm ${TMPFILE}
|
||||
fi
|
||||
|
||||
ip netns del ${NS1} 2> /dev/null
|
||||
ip netns del ${NS2} 2> /dev/null
|
||||
ip netns del ${NS3} 2> /dev/null
|
||||
|
|
@ -278,6 +285,46 @@ test_ping()
|
|||
fi
|
||||
}
|
||||
|
||||
test_gso()
|
||||
{
|
||||
local readonly PROTO=$1
|
||||
local readonly PKT_SZ=5000
|
||||
local IP_DST=""
|
||||
: > ${TMPFILE} # trim the capture file
|
||||
|
||||
# check that nc is present
|
||||
command -v nc >/dev/null 2>&1 || \
|
||||
{ echo >&2 "nc is not available: skipping TSO tests"; return; }
|
||||
|
||||
# listen on IPv*_DST, capture TCP into $TMPFILE
|
||||
if [ "${PROTO}" == "IPv4" ] ; then
|
||||
IP_DST=${IPv4_DST}
|
||||
ip netns exec ${NS3} bash -c \
|
||||
"nc -4 -l -s ${IPv4_DST} -p 9000 > ${TMPFILE} &"
|
||||
elif [ "${PROTO}" == "IPv6" ] ; then
|
||||
IP_DST=${IPv6_DST}
|
||||
ip netns exec ${NS3} bash -c \
|
||||
"nc -6 -l -s ${IPv6_DST} -p 9000 > ${TMPFILE} &"
|
||||
RET=$?
|
||||
else
|
||||
echo " test_gso: unknown PROTO: ${PROTO}"
|
||||
TEST_STATUS=1
|
||||
fi
|
||||
sleep 1 # let nc start listening
|
||||
|
||||
# send a packet larger than MTU
|
||||
ip netns exec ${NS1} bash -c \
|
||||
"dd if=/dev/zero bs=$PKT_SZ count=1 > /dev/tcp/${IP_DST}/9000 2>/dev/null"
|
||||
sleep 2 # let the packet get delivered
|
||||
|
||||
# verify we received all expected bytes
|
||||
SZ=$(stat -c %s ${TMPFILE})
|
||||
if [ "$SZ" != "$PKT_SZ" ] ; then
|
||||
echo " test_gso failed: ${PROTO}"
|
||||
TEST_STATUS=1
|
||||
fi
|
||||
}
|
||||
|
||||
test_egress()
|
||||
{
|
||||
local readonly ENCAP=$1
|
||||
|
|
@ -307,6 +354,8 @@ test_egress()
|
|||
fi
|
||||
test_ping IPv4 0
|
||||
test_ping IPv6 0
|
||||
test_gso IPv4
|
||||
test_gso IPv6
|
||||
|
||||
# a negative test: remove routes to GRE devices: ping fails
|
||||
remove_routes_to_gredev
|
||||
|
|
@ -350,6 +399,7 @@ test_ingress()
|
|||
ip -netns ${NS2} -6 route add ${IPv6_DST} encap bpf in obj test_lwt_ip_encap.o sec encap_gre6 dev veth2
|
||||
else
|
||||
echo "FAIL: unknown encap ${ENCAP}"
|
||||
TEST_STATUS=1
|
||||
fi
|
||||
test_ping IPv4 0
|
||||
test_ping IPv6 0
|
||||
|
|
|
|||
|
|
@ -122,7 +122,7 @@
|
|||
.insns = {
|
||||
BPF_MOV64_IMM(BPF_REG_1, 0),
|
||||
BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, BPF_REG_1, 0, 1),
|
||||
BPF_RAW_INSN(0, 0, 0, 0, 1),
|
||||
BPF_RAW_INSN(0, 0, 0, 0, 0),
|
||||
BPF_EXIT_INSN(),
|
||||
},
|
||||
.errstr = "not pointing to valid bpf_map",
|
||||
|
|
@ -139,3 +139,16 @@
|
|||
.errstr = "invalid bpf_ld_imm64 insn",
|
||||
.result = REJECT,
|
||||
},
|
||||
{
|
||||
"test14 ld_imm64: reject 2nd imm != 0",
|
||||
.insns = {
|
||||
BPF_MOV64_IMM(BPF_REG_0, 0),
|
||||
BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, BPF_REG_1,
|
||||
BPF_PSEUDO_MAP_FD, 0, 0),
|
||||
BPF_RAW_INSN(0, 0, 0, 0, 0xfefefe),
|
||||
BPF_EXIT_INSN(),
|
||||
},
|
||||
.fixup_map_hash_48b = { 1 },
|
||||
.errstr = "unrecognized bpf_ld_imm64 insn",
|
||||
.result = REJECT,
|
||||
},
|
||||
|
|
|
|||
Loading…
Reference in New Issue