Symbol: BPF_REG_ARG3
net/core/filter.c
456
*insn++ = BPF_MOV64_REG(BPF_REG_ARG3, BPF_REG_X);
net/core/filter.c
535
*insn++ = BPF_MOV64_REG(BPF_REG_ARG3, BPF_REG_H);