diff options
| author | Paul Chaignon <paul.chaignon@gmail.com> | 2024-09-09 23:13:54 +0200 |
|---|---|---|
| committer | Aleksandr Nogikh <nogikh@google.com> | 2024-09-11 15:44:33 +0000 |
| commit | d94c83d8ace830ea2b5a52a5bb82d96e75d59e5d (patch) | |
| tree | aa25a39c31981dc377add2d384f9eb30360c8931 /sys/linux/bpf.txt | |
| parent | 709979145c8aad814397b9314d5bd44d9e2ccc1d (diff) | |
sys/linux: improve BPF program attach types
Which attach types are available to a BPF program depends on its type.
We can encode this using conditional fields to reduce the time syzkaller
loses on unsupported combinations of (program type; attach type).
Signed-off-by: Paul Chaignon <paul.chaignon@gmail.com>
Diffstat (limited to 'sys/linux/bpf.txt')
| -rw-r--r-- | sys/linux/bpf.txt | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/linux/bpf.txt b/sys/linux/bpf.txt index 28e15f7d2..b373afbd1 100644 --- a/sys/linux/bpf.txt +++ b/sys/linux/bpf.txt @@ -429,7 +429,7 @@ define BPF_F_LINK_OR_ID BPF_F_LINK | BPF_F_ID bpf_attach_arg { target bpf_attach_targets attach_bpf_fd fd_bpf_prog - type flags[bpf_attach_type, int32] + type flags[bpf_attach_types, int32] flags flags[bpf_attach_flags, int32] replace_bpf_fd fd_bpf_prog relative_link_fd fd_bpf_link (if[value[flags] & BPF_F_LINK_OR_ID == BPF_F_LINK]) @@ -442,7 +442,7 @@ bpf_attach_arg { bpf_detach_arg { target bpf_attach_targets prog fd_bpf_prog - type flags[bpf_attach_type, int32] + type flags[bpf_attach_types, int32] flags flags[bpf_mprog_attach_flags, int32] replace_bpf_fd const[0, int32] relative_link_fd fd_bpf_link (if[value[flags] & BPF_F_LINK_OR_ID == BPF_F_LINK]) @@ -822,7 +822,7 @@ bpf_map_flags = BPF_ANY, BPF_NOEXIST, BPF_EXIST, BPF_F_LOCK bpf_lookup_flags = BPF_F_LOCK bpf_prog_type = BPF_PROG_TYPE_SOCKET_FILTER, BPF_PROG_TYPE_KPROBE, BPF_PROG_TYPE_SCHED_CLS, BPF_PROG_TYPE_SCHED_ACT, BPF_PROG_TYPE_TRACEPOINT, BPF_PROG_TYPE_XDP, BPF_PROG_TYPE_PERF_EVENT, BPF_PROG_TYPE_CGROUP_SKB, BPF_PROG_TYPE_CGROUP_SOCK, BPF_PROG_TYPE_LWT_IN, BPF_PROG_TYPE_LWT_OUT, BPF_PROG_TYPE_LWT_XMIT, BPF_PROG_TYPE_SOCK_OPS, BPF_PROG_TYPE_SK_SKB, BPF_PROG_TYPE_CGROUP_DEVICE, BPF_PROG_TYPE_SK_MSG, BPF_PROG_TYPE_RAW_TRACEPOINT, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_PROG_TYPE_LWT_SEG6LOCAL, BPF_PROG_TYPE_LIRC_MODE2, BPF_PROG_TYPE_SK_REUSEPORT, BPF_PROG_TYPE_FLOW_DISSECTOR, BPF_PROG_TYPE_CGROUP_SYSCTL, BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, BPF_PROG_TYPE_CGROUP_SOCKOPT, BPF_PROG_TYPE_TRACING, BPF_PROG_TYPE_EXT, BPF_PROG_TYPE_STRUCT_OPS, BPF_PROG_TYPE_LSM, BPF_PROG_TYPE_SK_LOOKUP, BPF_PROG_TYPE_SYSCALL, BPF_PROG_TYPE_NETFILTER map_flags = BPF_F_NO_PREALLOC, BPF_F_NO_COMMON_LRU, BPF_F_NUMA_NODE, BPF_F_RDONLY, BPF_F_WRONLY, BPF_F_STACK_BUILD_ID, BPF_F_ZERO_SEED, BPF_F_RDONLY_PROG, BPF_F_WRONLY_PROG, BPF_F_CLONE, BPF_F_MMAPABLE, BPF_F_INNER_MAP, BPF_F_PRESERVE_ELEMS, BPF_F_LINK, BPF_F_PATH_FD, BPF_F_VTYPE_BTF_OBJ_FD, BPF_F_TOKEN_FD, BPF_F_SEGV_ON_FAULT, BPF_F_NO_USER_CONV -bpf_attach_type = BPF_XDP_DEVMAP, BPF_XDP_CPUMAP, BPF_SK_REUSEPORT_SELECT, BPF_SK_REUSEPORT_SELECT_OR_MIGRATE, BPF_PERF_EVENT, BPF_TRACE_KPROBE_MULTI, BPF_STRUCT_OPS, BPF_NETFILTER, BPF_TRACE_UPROBE_MULTI, BPF_TRACE_KPROBE_SESSION, bpf_attach_types_link_create +bpf_attach_types = BPF_XDP_DEVMAP, BPF_XDP_CPUMAP, BPF_SK_REUSEPORT_SELECT, BPF_SK_REUSEPORT_SELECT_OR_MIGRATE, BPF_PERF_EVENT, BPF_TRACE_KPROBE_MULTI, BPF_STRUCT_OPS, BPF_NETFILTER, BPF_TRACE_UPROBE_MULTI, BPF_TRACE_KPROBE_SESSION, bpf_attach_types_link_create bpf_attach_types_link_create = BPF_CGROUP_INET_INGRESS, BPF_CGROUP_INET_EGRESS, BPF_CGROUP_INET_SOCK_CREATE, BPF_CGROUP_INET4_POST_BIND, BPF_CGROUP_INET6_POST_BIND, BPF_CGROUP_INET4_BIND, BPF_CGROUP_INET6_BIND, BPF_CGROUP_INET4_CONNECT, BPF_CGROUP_INET6_CONNECT, BPF_CGROUP_UDP4_SENDMSG, BPF_CGROUP_UDP6_SENDMSG, BPF_CGROUP_UDP4_RECVMSG, BPF_CGROUP_UDP6_RECVMSG, BPF_CGROUP_SOCK_OPS, BPF_CGROUP_DEVICE, BPF_SK_MSG_VERDICT, BPF_SK_SKB_STREAM_PARSER, BPF_SK_SKB_STREAM_VERDICT, BPF_LIRC_MODE2, BPF_FLOW_DISSECTOR, BPF_CGROUP_SYSCTL, BPF_CGROUP_GETSOCKOPT, BPF_CGROUP_SETSOCKOPT, BPF_CGROUP_INET4_GETPEERNAME, BPF_CGROUP_INET4_GETSOCKNAME, BPF_CGROUP_INET6_GETPEERNAME, BPF_CGROUP_INET6_GETSOCKNAME, BPF_TRACE_ITER, BPF_CGROUP_INET_SOCK_RELEASE, BPF_SK_LOOKUP, BPF_XDP, BPF_SK_SKB_VERDICT, BPF_LSM_CGROUP, BPF_LSM_MAC, BPF_MODIFY_RETURN, BPF_TRACE_FENTRY, BPF_TRACE_FEXIT, BPF_TRACE_RAW_TP, BPF_TCX_EGRESS, BPF_TCX_INGRESS, BPF_NETKIT_PRIMARY, BPF_NETKIT_PEER, BPF_CGROUP_UNIX_CONNECT, BPF_CGROUP_UNIX_SENDMSG, BPF_CGROUP_UNIX_RECVMSG, BPF_CGROUP_UNIX_GETPEERNAME, BPF_CGROUP_UNIX_GETSOCKNAME bpf_prog_load_flags = BPF_F_STRICT_ALIGNMENT, BPF_F_ANY_ALIGNMENT, BPF_F_TEST_RND_HI32, BPF_F_TEST_STATE_FREQ, BPF_F_SLEEPABLE, BPF_F_XDP_DEV_BOUND_ONLY, BPF_F_XDP_HAS_FRAGS bpf_mprog_attach_flags = BPF_F_REPLACE, BPF_F_BEFORE, BPF_F_AFTER, BPF_F_ID, BPF_F_LINK |