| { |
| "context stores via ST", |
| .insns = { |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_ST_MEM(BPF_DW, BPF_REG_1, offsetof(struct __sk_buff, mark), 0), |
| BPF_EXIT_INSN(), |
| }, |
| .errstr = "BPF_ST stores into R1 ctx is not allowed", |
| .result = REJECT, |
| .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
| }, |
| { |
| "context stores via XADD", |
| .insns = { |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_RAW_INSN(BPF_STX | BPF_XADD | BPF_W, BPF_REG_1, |
| BPF_REG_0, offsetof(struct __sk_buff, mark), 0), |
| BPF_EXIT_INSN(), |
| }, |
| .errstr = "BPF_XADD stores into R1 ctx is not allowed", |
| .result = REJECT, |
| .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
| }, |
