mount$9p_fd(0x0, 0x0, 0x0, 0x0, &(0x7f0000000280)) r0 = syz_open_procfs(0x0, &(0x7f0000000700)='clear_refs\x00') writev(r0, &(0x7f0000000140)=[{&(0x7f0000000040)='2', 0x1}], 0x1)