r0 = syz_open_procfs(0x0, &(0x7f0000000080)='net/raw\x00') r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/raw\x00') pread64(r1, &(0x7f0000001100)=""/4082, 0xff2, 0x0) dup3(r0, r1, 0x0)