diff options
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/Makefile | 1 | ||||
| -rw-r--r-- | net/core/datagram.c | 1 | ||||
| -rw-r--r-- | net/core/dev_ioctl.c | 1 | ||||
| -rw-r--r-- | net/core/filter.c | 32 | ||||
| -rw-r--r-- | net/core/gro_cells.c | 1 | ||||
| -rw-r--r-- | net/core/net-procfs.c | 1 | ||||
| -rw-r--r-- | net/core/net-sysfs.h | 1 | ||||
| -rw-r--r-- | net/core/net-traces.c | 1 | ||||
| -rw-r--r-- | net/core/sock_reuseport.c | 1 | ||||
| -rw-r--r-- | net/core/stream.c | 1 | ||||
| -rw-r--r-- | net/core/sysctl_net_core.c | 1 | ||||
| -rw-r--r-- | net/core/tso.c | 1 |
12 files changed, 40 insertions, 3 deletions
diff --git a/net/core/Makefile b/net/core/Makefile index 56d771a887b6..1fd0a9c88b1b 100644 --- a/net/core/Makefile +++ b/net/core/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux networking core. # diff --git a/net/core/datagram.c b/net/core/datagram.c index f7fb7e3f2acf..3964c108b169 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SUCS NET3: * diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c index f9c7a88cd981..7e690d0ccd05 100644 --- a/net/core/dev_ioctl.c +++ b/net/core/dev_ioctl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kmod.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> diff --git a/net/core/filter.c b/net/core/filter.c index aa0265997f93..6ae94f825f72 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -1844,14 +1844,15 @@ BPF_CALL_4(bpf_sk_redirect_map, struct sk_buff *, skb, { struct tcp_skb_cb *tcb = TCP_SKB_CB(skb); + /* If user passes invalid input drop the packet. */ if (unlikely(flags)) - return SK_ABORTED; + return SK_DROP; tcb->bpf.key = key; tcb->bpf.flags = flags; tcb->bpf.map = map; - return SK_REDIRECT; + return SK_PASS; } struct sock *do_sk_redirect_map(struct sk_buff *skb) @@ -4243,6 +4244,31 @@ static u32 sock_ops_convert_ctx_access(enum bpf_access_type type, return insn - insn_buf; } +static u32 sk_skb_convert_ctx_access(enum bpf_access_type type, + const struct bpf_insn *si, + struct bpf_insn *insn_buf, + struct bpf_prog *prog, u32 *target_size) +{ + struct bpf_insn *insn = insn_buf; + int off; + + switch (si->off) { + case offsetof(struct __sk_buff, data_end): + off = si->off; + off -= offsetof(struct __sk_buff, data_end); + off += offsetof(struct sk_buff, cb); + off += offsetof(struct tcp_skb_cb, bpf.data_end); + *insn++ = BPF_LDX_MEM(BPF_SIZEOF(void *), si->dst_reg, + si->src_reg, off); + break; + default: + return bpf_convert_ctx_access(type, si, insn_buf, prog, + target_size); + } + + return insn - insn_buf; +} + const struct bpf_verifier_ops sk_filter_prog_ops = { .get_func_proto = sk_filter_func_proto, .is_valid_access = sk_filter_is_valid_access, @@ -4301,7 +4327,7 @@ const struct bpf_verifier_ops sock_ops_prog_ops = { const struct bpf_verifier_ops sk_skb_prog_ops = { .get_func_proto = sk_skb_func_proto, .is_valid_access = sk_skb_is_valid_access, - .convert_ctx_access = bpf_convert_ctx_access, + .convert_ctx_access = sk_skb_convert_ctx_access, .gen_prologue = sk_skb_prologue, }; diff --git a/net/core/gro_cells.c b/net/core/gro_cells.c index 814e58a3ce8b..4b54e5f107c6 100644 --- a/net/core/gro_cells.c +++ b/net/core/gro_cells.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/skbuff.h> #include <linux/slab.h> #include <linux/netdevice.h> diff --git a/net/core/net-procfs.c b/net/core/net-procfs.c index 4847964931df..615ccab55f38 100644 --- a/net/core/net-procfs.c +++ b/net/core/net-procfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/netdevice.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> diff --git a/net/core/net-sysfs.h b/net/core/net-sysfs.h index 2745a1b51e03..006876c7b78d 100644 --- a/net/core/net-sysfs.h +++ b/net/core/net-sysfs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NET_SYSFS_H__ #define __NET_SYSFS_H__ diff --git a/net/core/net-traces.c b/net/core/net-traces.c index 1132820c8e62..71f209542364 100644 --- a/net/core/net-traces.c +++ b/net/core/net-traces.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * consolidates trace point definitions * diff --git a/net/core/sock_reuseport.c b/net/core/sock_reuseport.c index b1e0dbea1e8c..5eeb1d20cc38 100644 --- a/net/core/sock_reuseport.c +++ b/net/core/sock_reuseport.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * To speed up listener socket lookup, create an array to store all sockets * listening on the same port. This allows a decision to be made after finding diff --git a/net/core/stream.c b/net/core/stream.c index 20231dbb1da0..1cff9c6270c6 100644 --- a/net/core/stream.c +++ b/net/core/stream.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SUCS NET3: * diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c index b7cd9aafe99e..cbc3dde4cfcc 100644 --- a/net/core/sysctl_net_core.c +++ b/net/core/sysctl_net_core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* -*- linux-c -*- * sysctl_net_core.c: sysctl interface to net core subsystem. * diff --git a/net/core/tso.c b/net/core/tso.c index 5dca7ce8ee9f..43f4eba61933 100644 --- a/net/core/tso.c +++ b/net/core/tso.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/export.h> #include <linux/if_vlan.h> #include <net/ip.h> |