r0 = eventfd2(0x0, 0x0) read(r0, &(0x7f0000000000)=""/80, 0x50) read(r0, &(0x7f0000000080)=""/164, 0xa4) writev(r0, &(0x7f0000007980)=[{&(0x7f00000001c0)="2dad503ea5da348e", 0x8}], 0x1)